feat(upload): 添加华为 OBS 对象存储支持

- 在 addons.php 中添加了与华为 OBS 相关的钩子
- 新增了对华为 OBS 上传功能的实现，包括分片上传和合并
- 优化了上传参数处理和错误处理
- 支持客户端和服务端两种上传模式

addons/hwobs/.addonrc

@@ -0,0 +1 @@
+{"files":["public\\assets\\addons\\hwobs\\js\\spark.js"],"license":"regular","licenseto":"34485","licensekey":"kaCpXL6B57yO89Rv h7EIXhuMw6+sCcUldTSJoQ==","domains":["localhost"],"licensecodes":[],"validations":["757319b447175b6ca1882635b132a594"]}

addons/hwobs/Hwobs.php

@@ -0,0 +1,152 @@
+<?php
+
+namespace addons\hwobs;
+
+use addons\hwobs\library\Auth;
+use Obs\ObsClient;
+use think\Addons;
+use think\App;
+use think\Loader;
+
+/**
+ * 华为云存储插件
+ */
+class Hwobs extends Addons
+{
+
+    /**
+     * 插件安装方法
+     * @return bool
+     */
+    public function install()
+    {
+
+        return true;
+    }
+
+    /**
+     * 插件卸载方法
+     * @return bool
+     */
+    public function uninstall()
+    {
+
+        return true;
+    }
+
+    /**
+     * 插件启用方法
+     * @return bool
+     */
+    public function enable()
+    {
+
+        return true;
+    }
+
+    /**
+     * 插件禁用方法
+     * @return bool
+     */
+    public function disable()
+    {
+
+        return true;
+    }
+
+    /**
+     * 判断是否来源于API上传
+     */
+    public function moduleInit($request)
+    {
+        $config = $this->getConfig();
+        $module = strtolower($request->module());
+        if ($module == 'api' && ($config['apiupload'] ?? 0) &&
+            strtolower($request->controller()) == 'common' &&
+            strtolower($request->action()) == 'upload') {
+            request()->param('isApi', true);
+            App::invokeMethod(["\\addons\\hwobs\\controller\\Index", "upload"], ['isApi' => true]);
+        }
+    }
+
+    /**
+     * 上传配置初始化
+     */
+    public function uploadConfigInit(&$upload)
+    {
+        $config = $this->getConfig();
+        $module = request()->module();
+        $module = $module ? strtolower($module) : 'index';
+
+        $data = ['deadline' => time() + $config['expire']];
+        $signature = hash_hmac('sha1', json_encode($data), $config['secretKey'], true);
+
+        $token = '';
+        if (Auth::isModuleAllow()) {
+            $token = $config['accessKey'] . ':' . base64_encode($signature) . ':' . base64_encode(json_encode($data));
+        }
+        $multipart = [
+            'hwobstoken' => $token
+        ];
+
+        $upload = array_merge($upload, [
+            'cdnurl'     => $config['cdnurl'],
+            'uploadurl'  => $config['uploadmode'] == 'client' ? $config['uploadurl'] : addon_url('hwobs/index/upload', [], false, true),
+            'uploadmode' => $config['uploadmode'],
+            'bucket'     => $config['bucket'],
+            'maxsize'    => $config['maxsize'],
+            'mimetype'   => $config['mimetype'],
+            'savekey'    => $config['savekey'],
+            'chunking'   => (bool)($config['chunking'] ?? $upload['chunking']),
+            'chunksize'  => (int)($config['chunksize'] ?? $upload['chunksize']),
+            'multipart'  => $multipart,
+            'storage'    => $this->getName(),
+            'multiple'   => (bool)$config['multiple'],
+        ]);
+    }
+
+    /**
+     * 附件删除后
+     */
+    public function uploadDelete($attachment)
+    {
+        $config = $this->getConfig();
+        if ($attachment['storage'] == 'hwobs' && isset($config['syncdelete']) && $config['syncdelete']) {
+            try {
+                //删除云储存文件
+                $config = get_addon_config('hwobs');
+                $obs = new ObsClient([
+                    'key'      => $config['accessKey'],
+                    'secret'   => $config['secretKey'],
+                    'endpoint' => $config['endpoint']
+                ]);
+                $result = $obs->deleteObject([
+                    'Bucket' => $config['bucket'],
+                    'Key'    => ltrim($attachment->url, '/')
+                ]);
+            } catch (\Exception $e) {
+                return false;
+            }
+
+            //如果是服务端中转，还需要删除本地文件
+            //if ($config['uploadmode'] == 'server') {
+            //    $filePath = ROOT_PATH . 'public' . str_replace('/', DS, $attachment->url);
+            //    if ($filePath) {
+            //        @unlink($filePath);
+            //    }
+            //}
+
+        }
+        return true;
+    }
+
+    /**
+     * 渲染命名空间配置信息
+     */
+    public function appInit()
+    {
+        if (!class_exists('\Obs\ObsClient')) {
+            Loader::addNamespace('Obs', $this->addons_path . str_replace('/', DS, 'library/Obs/'));
+        }
+    }
+}

addons/hwobs/bootstrap.js

@@ -0,0 +1,279 @@
+if (typeof Config.upload.storage !== 'undefined' && Config.upload.storage === 'hwobs') {
+    require(['upload'], function (Upload) {
+        //获取文件MD5值
+        var getFileMd5 = function (file, cb) {
+            //如果savekey中未检测到md5，则无需获取文件md5，直接返回upload的uuid
+            if (!Config.upload.savekey.match(/\{(file)?md5\}/)) {
+                cb && cb(file.upload.uuid);
+                return;
+            }
+            require(['../addons/hwobs/js/spark'], function (SparkMD5) {
+                var blobSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice,
+                    chunkSize = 10 * 1024 * 1024,
+                    chunks = Math.ceil(file.size / chunkSize),
+                    currentChunk = 0,
+                    spark = new SparkMD5.ArrayBuffer(),
+                    fileReader = new FileReader();
+
+                fileReader.onload = function (e) {
+                    spark.append(e.target.result);
+                    currentChunk++;
+                    if (currentChunk < chunks) {
+                        loadNext();
+                    } else {
+                        cb && cb(spark.end());
+                    }
+                };
+
+                fileReader.onerror = function () {
+                    console.warn('文件读取错误');
+                };
+
+                function loadNext() {
+                    var start = currentChunk * chunkSize,
+                        end = ((start + chunkSize) >= file.size) ? file.size : start + chunkSize;
+
+                    fileReader.readAsArrayBuffer(blobSlice.call(file, start, end));
+                }
+
+                loadNext();
+            });
+        };
+
+        var _onInit = Upload.events.onInit;
+        //初始化中完成判断
+        Upload.events.onInit = function () {
+            _onInit.apply(this, Array.prototype.slice.apply(arguments));
+            //如果上传接口不是hwobs，则不处理
+            if (this.options.url !== Config.upload.uploadurl) {
+                return;
+            }
+            $.extend(this.options, {
+                //关闭自动处理队列功能
+                autoQueue: false,
+                params: function (files, xhr, chunk) {
+                    var params = $.extend({}, Config.upload.multipart);
+                    if (chunk) {
+                        return $.extend({}, params, {
+                            filesize: chunk.file.size,
+                            filename: chunk.file.name,
+                            chunkid: chunk.file.upload.uuid,
+                            chunkindex: chunk.index,
+                            chunkcount: chunk.file.upload.totalChunkCount,
+                            chunkfilesize: chunk.dataBlock.data.size,
+                            chunksize: this.options.chunkSize,
+                            width: chunk.file.width || 0,
+                            height: chunk.file.height || 0,
+                            type: chunk.file.type,
+                            uploadId: chunk.file.uploadId,
+                            key: chunk.file.key,
+                        });
+                    }
+                    return params;
+                },
+                chunkSuccess: function (chunk, file, response) {
+                    var etag = chunk.xhr.getResponseHeader("ETag").replace(/(^")|("$)/g, '');
+                    file.etags = file.etags ? file.etags : [];
+                    file.etags[chunk.index] = etag;
+                },
+                chunksUploaded: function (file, done) {
+                    var that = this;
+
+                    Fast.api.ajax({
+                        url: "/addons/hwobs/index/upload",
+                        data: {
+                            action: 'merge',
+                            filesize: file.size,
+                            filename: file.name,
+                            chunkid: file.upload.uuid,
+                            chunkcount: file.upload.totalChunkCount,
+                            md5: file.md5,
+                            key: file.key,
+                            uploadId: file.uploadId,
+                            etags: file.etags,
+                            category: file.category || '',
+                            hwobstoken: Config.upload.multipart.hwobstoken,
+                        },
+                    }, function (data, ret) {
+                        done(JSON.stringify(ret));
+                        return false;
+                    }, function (data, ret) {
+                        file.accepted = false;
+                        that._errorProcessing([file], ret.msg);
+                        return false;
+                    });
+
+                },
+            });
+
+            var _success = this.options.success;
+            //先移除已有的事件
+            this.off("success", _success).on("success", function (file, response) {
+                var ret = {code: 0, msg: response};
+                try {
+                    if (response) {
+                        ret = typeof response === 'string' ? JSON.parse(response) : response;
+                    }
+                    if (file.xhr.status === 200 || file.xhr.status === 204) {
+
+                        if (Config.upload.uploadmode === 'client') {
+                            ret = {code: 1, data: {url: '/' + file.key}};
+                        }
+
+                        if (ret.code == 1) {
+                            var url = ret.data.url || '';
+                            Fast.api.ajax({
+                                url: "/addons/hwobs/index/notify",
+                                data: {name: file.name, url: url, md5: file.md5, size: file.size, width: file.width || 0, height: file.height || 0, type: file.type, category: file.category || '', hwobstoken: Config.upload.multipart.hwobstoken}
+                            }, function () {
+                                return false;
+                            }, function () {
+                                return false;
+                            });
+                        } else {
+                            console.error(ret);
+                        }
+                    } else {
+                        console.error(file.xhr);
+                    }
+                } catch (e) {
+                    console.error(e);
+                }
+                _success.call(this, file, ret);
+            });
+
+            this.on("addedfile", function (file) {
+                var that = this;
+                setTimeout(function () {
+                    if (file.status === 'error') {
+                        return;
+                    }
+                    getFileMd5(file, function (md5) {
+                        var chunk = that.options.chunking && file.size > that.options.chunkSize ? 1 : 0;
+                        var params = $(that.element).data("params") || {};
+                        var category = typeof params.category !== 'undefined' ? params.category : ($(that.element).data("category") || '');
+                        category = typeof category === 'function' ? category.call(that, file) : category;
+                        Fast.api.ajax({
+                            url: "/addons/hwobs/index/params",
+                            data: {method: 'POST', category: category, md5: md5, name: file.name, type: file.type, size: file.size, chunk: chunk, chunksize: that.options.chunkSize, hwobstoken: Config.upload.multipart.hwobstoken},
+                        }, function (data) {
+                            file.md5 = md5;
+                            file.id = data.id;
+                            file.key = data.key;
+                            file.date = data.date;
+                            file.uploadId = data.uploadId;
+                            file.policy = data.policy;
+                            file.signature = data.signature;
+                            file.partsAuthorization = data.partsAuthorization;
+                            file.headers = data.headers;
+                            delete data.headers;
+                            file.params = data;
+                            file.category = category;
+
+                            if (file.status != 'error') {
+                                //开始上传
+                                that.enqueueFile(file);
+                            } else {
+                                that.removeFile(file);
+                            }
+                            return false;
+                        }, function () {
+                            that.removeFile(file);
+                        });
+                    });
+                }, 0);
+            });
+
+            if (Config.upload.uploadmode === 'client') {
+                var _method = this.options.method;
+                var _url = this.options.url;
+                this.options.method = function (files) {
+                    if (files[0].upload.chunked) {
+                        var chunk = null;
+                        files[0].upload.chunks.forEach(function (item) {
+                            if (item.status === 'uploading') {
+                                chunk = item;
+                            }
+                        });
+                        if (!chunk) {
+                            return "POST";
+                        } else {
+                            return "PUT";
+                        }
+                    } else {
+                        return "POST";
+                    }
+                    return _method;
+                };
+                this.options.url = function (files) {
+                    if (files[0].upload.chunked) {
+                        var chunk = null;
+                        files[0].upload.chunks.forEach(function (item) {
+                            if (item.status === 'uploading') {
+                                chunk = item;
+                            }
+                        });
+                        var index = chunk.dataBlock.chunkIndex;
+                        this.options.headers = {"Authorization": files[0]['partsAuthorization'][index], "x-amz-date": files[0]['date']};
+                        if (!chunk) {
+                            return Config.upload.uploadurl + "/" + files[0].key + "?uploadId=" + files[0].uploadId;
+                        } else {
+                            return Config.upload.uploadurl + "/" + files[0].key + "?partNumber=" + (index + 1) + "&uploadId=" + files[0].uploadId;
+                        }
+                    }
+                    return _url;
+                };
+                this.options.params = function (files, xhr, chunk) {
+                    var params = Config.upload.multipart;
+                    delete params.category;
+                    if (chunk) {
+                        return $.extend({}, params, {
+                            filesize: chunk.file.size,
+                            filename: chunk.file.name,
+                            chunkid: chunk.file.upload.uuid,
+                            chunkindex: chunk.index,
+                            chunkcount: chunk.file.upload.totalChunkCount,
+                            chunkfilesize: chunk.dataBlock.data.size,
+                            width: chunk.file.width || 0,
+                            height: chunk.file.height || 0,
+                            type: chunk.file.type,
+                        });
+                    } else {
+                        var retParams = $.extend({}, params, files[0].params || {});
+                        delete retParams.hwobstoken;
+                        delete retParams.date;
+                        delete retParams.md5;
+                        if (Config.upload.uploadmode !== 'client') {
+                            params.category = files[0].category || '';
+                        }
+                        return retParams;
+                    }
+                };
+                this.on("sending", function (file, xhr, formData) {
+                    var that = this;
+                    var _send = xhr.send;
+                    //仅允许部分字段
+                    var allowFields = ['partNumber', 'uploadId', 'key', 'AccessKeyId', 'policy', 'signature', 'file'];
+                    formData.forEach(function (value, key) {
+                        if (allowFields.indexOf(key) < 0) {
+                            formData.delete(key);
+                        }
+                    });
+                    if (file.upload.chunked) {
+                        xhr.send = function () {
+                            if (file.upload.chunked) {
+                                var chunk = null;
+                                file.upload.chunks.forEach(function (item) {
+                                    if (item.status == 'uploading') {
+                                        chunk = item;
+                                    }
+                                });
+                                _send.call(xhr, chunk.dataBlock.data);
+                            }
+                        };
+                    }
+                });
+            }
+        };
+    });
+}

addons/hwobs/config.php

@@ -0,0 +1,245 @@
+<?php
+
+return [
+    [
+        'name'    => 'accessKey',
+        'title'   => 'Access Key',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => '',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '请前往华为云控制台->我的凭证->访问密钥中生成',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'secretKey',
+        'title'   => 'Secret Key',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => '',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '请前往华为云控制台->我的凭证->访问密钥中生成',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'bucket',
+        'title'   => '存储桶名称',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => 'yourbucket',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '存储桶名称',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'endpoint',
+        'title'   => 'Endpoint',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => 'obs.cn-south-1.myhuaweicloud.com',
+        'rule'    => 'required;endpoint',
+        'msg'     => '',
+        'tip'     => '请输入你的Endpoint',
+        'ok'      => '',
+        'extend'  => 'data-rule-endpoint="[/^(?!http(s)?:\/\/).*$/, \'不能以http(s)://开头\']"',
+    ],
+    [
+        'name'    => 'uploadurl',
+        'title'   => '上传接口地址',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => 'https://yourbucket.obs.cn-south-1.myhuaweicloud.com',
+        'rule'    => 'required;uploadurl',
+        'msg'     => '',
+        'tip'     => '请使用存储桶->基本信息->访问域名的值，并在前面加上http://或https://',
+        'ok'      => '',
+        'extend'  => 'data-rule-uploadurl="[/^http(s)?:\/\/.*$/, \'必需以http(s)://开头\']"',
+    ],
+    [
+        'name'    => 'cdnurl',
+        'title'   => 'CDN地址',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => 'https://yourbucket.obs.cn-south-1.myhuaweicloud.com',
+        'rule'    => 'required;cdnurl',
+        'msg'     => '',
+        'tip'     => '如果你的云存储有绑定自定义域名，请输入自定义域名',
+        'ok'      => '',
+        'extend'  => 'data-rule-cdnurl="[/^http(s)?:\/\/.*$/, \'必需以http(s)://开头\']"',
+    ],
+    [
+        'name'    => 'uploadmode',
+        'title'   => '上传模式',
+        'type'    => 'select',
+        'content' => [
+            'client' => '客户端直传(速度快,无备份)',
+            'server' => '服务器中转(占用服务器带宽,有备份)',
+        ],
+        'value'   => 'server',
+        'rule'    => '',
+        'msg'     => '',
+        'tip'     => '',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'serverbackup',
+        'title'   => '服务器中转模式备份',
+        'type'    => 'radio',
+        'content' => [
+            1 => '备份(附件管理将产生2条记录)',
+            0 => '不备份',
+        ],
+        'value'   => '1',
+        'rule'    => '',
+        'msg'     => '',
+        'tip'     => '服务器中转模式下是否备份文件',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'savekey',
+        'title'   => '保存文件名',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => '/uploads/{year}{mon}{day}/{filemd5}{.suffix}',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'expire',
+        'title'   => '上传有效时长',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => '600',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '用户停留页面上传有效时长，单位秒',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'maxsize',
+        'title'   => '最大可上传',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => '10M',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'mimetype',
+        'title'   => '可上传后缀格式',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => 'jpg,png,bmp,jpeg,gif,zip,rar,xls,xlsx',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'multiple',
+        'title'   => '多文件上传',
+        'type'    => 'bool',
+        'content' => [],
+        'value'   => '0',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'thumbstyle',
+        'title'   => '缩略图样式',
+        'type'    => 'string',
+        'content' => [],
+        'value'   => '',
+        'rule'    => '',
+        'msg'     => '',
+        'tip'     => '用于后台列表缩略图样式，可使用：?x-image-process=image/resize,m_fixed,h_90,w_120或?x-image-process=style/样式名称',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'chunking',
+        'title'   => '分片上传',
+        'type'    => 'radio',
+        'content' => [
+            1 => '开启',
+            0 => '关闭',
+        ],
+        'value'   => '0',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'chunksize',
+        'title'   => '分片大小',
+        'type'    => 'number',
+        'content' => [],
+        'value'   => '4194304',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'syncdelete',
+        'title'   => '附件删除时是否同步删除云存储文件',
+        'type'    => 'bool',
+        'content' => [],
+        'value'   => '0',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'apiupload',
+        'title'   => 'API接口使用云存储',
+        'type'    => 'bool',
+        'content' => [],
+        'value'   => '0',
+        'rule'    => 'required',
+        'msg'     => '',
+        'tip'     => '',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+    [
+        'name'    => 'noneedlogin',
+        'title'   => '免登录上传',
+        'type'    => 'checkbox',
+        'content' => [
+            'api'   => 'API',
+            'index' => '前台',
+            'admin' => '后台',
+        ],
+        'value'   => '',
+        'rule'    => '',
+        'msg'     => '',
+        'tip'     => '',
+        'ok'      => '',
+        'extend'  => '',
+    ],
+];

addons/hwobs/controller/Index.php

@@ -0,0 +1,325 @@
+<?php
+
+namespace addons\hwobs\controller;
+
+use addons\hwobs\library\Auth;
+use addons\hwobs\library\Signer;
+use app\common\exception\UploadException;
+use app\common\library\Upload;
+use app\common\model\Attachment;
+use Obs\Internal\Common\Model;
+use Obs\Internal\Signature\DefaultSignature;
+use Obs\ObsClient;
+use think\addons\Controller;
+use think\Config;
+
+class Index extends Controller
+{
+
+    public function _initialize()
+    {
+        //跨域检测
+        check_cors_request();
+
+        parent::_initialize();
+        Config::set('default_return_type', 'json');
+    }
+
+    public function index()
+    {
+        Config::set('default_return_type', 'html');
+        $this->error("当前插件暂无前台页面");
+    }
+
+    public function params()
+    {
+        $this->check();
+
+        $config = get_addon_config('hwobs');
+        $name = $this->request->post('name');
+        $md5 = $this->request->post('md5');
+        $chunk = $this->request->post('chunk');
+
+        $key = (new Upload())->getSavekey($config['savekey'], $name, $md5);
+        $key = ltrim($key, "/");
+        $params = [
+            'key' => $key,
+            'md5' => $md5
+        ];
+        $fileSize = $this->request->post('size');
+        $type = $this->request->post('type');
+        $date = gmdate('D, d M Y H:i:s \G\M\T', time());
+        $headers = [];
+        $obs = new ObsClient([
+            'key'      => $config['accessKey'],
+            'secret'   => $config['secretKey'],
+            'endpoint' => $config['endpoint']
+        ]);
+        if ($chunk) {
+            $partSize = $this->request->post("chunksize");
+
+            try {
+                $ret = $obs->initiateMultipartUpload([
+                    'Bucket' => $config['bucket'],
+                    'Key'    => $key,
+                ]);
+            } catch (\Exception $e) {
+                $this->error("上传失败");
+            }
+            $uploadId = $ret['UploadId'];
+
+            $params['key'] = $key;
+            $params['uploadId'] = $uploadId;
+            $params['partsAuthorization'] = Signer::getPartsAuthorization($key, $uploadId, $fileSize, $partSize, $date);
+        } else {
+            $signature = $obs->createPostSignature([
+                'Bucket'     => $config['bucket'],
+                'Key'        => $key,
+                'FormParams' => [
+                ]
+            ]);
+            $params['key'] = $key;
+            $params['AccessKeyId'] = $config['accessKey'];
+            $params['policy'] = $signature['Policy'];
+            $params['signature'] = $signature['Signature'];
+        }
+        $params['headers'] = $headers;
+        $params['date'] = $date;
+        $this->success('', null, $params);
+        return;
+    }
+
+    /**
+     * 服务器中转上传文件
+     * 上传分片
+     * 合并分片
+     * @param bool $isApi
+     */
+    public function upload($isApi = false)
+    {
+        if ($isApi === true) {
+            if (!Auth::isModuleAllow()) {
+                $this->error("请登录后再进行操作");
+            }
+        } else {
+            $this->check();
+        }
+        $config = get_addon_config('hwobs');
+        $obs = new ObsClient([
+            'key'      => $config['accessKey'],
+            'secret'   => $config['secretKey'],
+            'endpoint' => $config['endpoint']
+        ]);
+
+        //检测删除文件或附件
+        $checkDeleteFile = function ($attachment, $upload, $force = false) use ($config) {
+            //如果设定为不备份则删除文件和记录 或 强制删除
+            if ((isset($config['serverbackup']) && !$config['serverbackup']) || $force) {
+                if ($attachment && !empty($attachment['id'])) {
+                    $attachment->delete();
+                }
+                if ($upload) {
+                    //文件绝对路径
+                    $filePath = $upload->getFile()->getRealPath() ?: $upload->getFile()->getPathname();
+                    @unlink($filePath);
+                }
+            }
+        };
+
+        $chunkid = $this->request->post("chunkid");
+        if ($chunkid) {
+            $action = $this->request->post("action");
+            $chunkindex = $this->request->post("chunkindex/d");
+            $chunkcount = $this->request->post("chunkcount/d");
+            $filesize = $this->request->post("filesize");
+            $filename = $this->request->post("filename");
+            $method = $this->request->method(true);
+            $key = $this->request->post("key");
+            $uploadId = $this->request->post("uploadId");
+
+            if ($action == 'merge') {
+                $attachment = null;
+                $upload = null;
+                //合并分片
+                if ($config['uploadmode'] == 'server') {
+                    //合并分片文件
+                    try {
+                        $upload = new Upload();
+                        $attachment = $upload->merge($chunkid, $chunkcount, $filename);
+                    } catch (UploadException $e) {
+                        $this->error($e->getMessage());
+                    }
+                }
+
+                $etags = $this->request->post("etags/a", []);
+                if (count($etags) != $chunkcount) {
+                    $checkDeleteFile($attachment, $upload, true);
+                    $this->error("分片数据错误");
+                }
+                $listParts = [];
+                for ($i = 0; $i < $chunkcount; $i++) {
+                    $listParts[] = array("PartNumber" => $i + 1, "ETag" => $etags[$i]);
+                }
+                try {
+                    $result = $obs->completeMultipartUpload([
+                        'Bucket'   => $config['bucket'],
+                        'Key'      => $key,
+                        // 设置Upload ID
+                        'UploadId' => $uploadId,
+                        'Parts'    => $listParts
+                    ]);
+                } catch (\Exception $e) {
+                    $checkDeleteFile($attachment, $upload, true);
+                    $this->error($e->getMessage());
+                }
+                if (!isset($result['Key'])) {
+                    $checkDeleteFile($attachment, $upload, true);
+                    $this->error("上传失败");
+                } else {
+                    $checkDeleteFile($attachment, $upload);
+                    $this->success("上传成功", '', ['url' => "/" . $key, 'fullurl' => cdnurl("/" . $key, true)]);
+                }
+            } else {
+                //默认普通上传文件
+                $file = $this->request->file('file');
+                try {
+                    $upload = new Upload($file);
+                    $file = $upload->chunk($chunkid, $chunkindex, $chunkcount);
+                } catch (UploadException $e) {
+                    $this->error($e->getMessage());
+                }
+                try {
+                    $ret = $obs->uploadPart([
+                        'Bucket'     => $config['bucket'],
+                        'Key'        => $key,
+                        // 设置分段号，范围是1~10000
+                        'PartNumber' => $chunkindex + 1,
+                        // 设置Upload ID
+                        'UploadId'   => $uploadId,
+                        // 设置将要上传的大文件,localfile为上传的本地文件路径，需要指定到具体的文件名
+                        'SourceFile' => $file->getRealPath(),
+                        // 设置分段大小
+                        'PartSize'   => $file->getSize(),
+                        // 设置分段的起始偏移大小
+                        'Offset'     => 0
+                    ]);
+                } catch (\Exception $e) {
+                    $this->error($e->getMessage());
+                }
+
+                $etag = isset($ret['ETag']) ? $ret['ETag'] : '';
+                $this->success("上传成功", "", [], 3, ['ETag' => $etag]);
+            }
+        } else {
+            $attachment = null;
+            //默认普通上传文件
+            $file = $this->request->file('file');
+            try {
+                $upload = new Upload($file);
+                $attachment = $upload->upload();
+            } catch (UploadException $e) {
+                $this->error($e->getMessage());
+            }
+
+            //文件绝对路径
+            $filePath = $upload->getFile()->getRealPath() ?: $upload->getFile()->getPathname();
+
+            $url = $attachment->url;
+
+            try {
+                $ret = $obs->putObject([
+                    'Bucket'     => $config['bucket'],
+                    'Key'        => ltrim($attachment->url, '/'),
+                    'SourceFile' => $filePath
+                ]);
+                //成功不做任何操作
+            } catch (\Exception $e) {
+                $checkDeleteFile($attachment, $upload, true);
+                $this->error("上传失败");
+            }
+            $checkDeleteFile($attachment, $upload);
+
+            // 记录云存储记录
+            $data = $attachment->toArray();
+            unset($data['id']);
+            $data['storage'] = 'hwobs';
+            Attachment::create($data, true);
+
+            $this->success("上传成功", '', ['url' => $url, 'fullurl' => cdnurl($url, true)]);
+        }
+        return;
+    }
+
+    /**
+     * 回调
+     */
+    public function notify()
+    {
+        $this->check();
+        $config = get_addon_config('hwobs');
+        if ($config['uploadmode'] != 'client') {
+            $this->error("无需执行该操作");
+        }
+        $this->request->filter('trim,strip_tags,htmlspecialchars,xss_clean');
+
+        $size = $this->request->post('size/d');
+        $name = $this->request->post('name', '');
+        $md5 = $this->request->post('md5', '');
+        $type = $this->request->post('type', '');
+        $url = $this->request->post('url', '');
+        $width = $this->request->post('width/d');
+        $height = $this->request->post('height/d');
+        $category = $this->request->post('category', '');
+        $suffix = strtolower(pathinfo($name, PATHINFO_EXTENSION));
+        $suffix = $suffix && preg_match("/^[a-zA-Z0-9]+$/", $suffix) ? $suffix : 'file';
+        $attachment = Attachment::where('url', $url)->where('storage', 'hwobs')->find();
+        if (!$attachment) {
+            $params = array(
+                'category'    => $category,
+                'admin_id'    => (int)session('admin.id'),
+                'user_id'     => (int)$this->auth->id,
+                'filesize'    => $size,
+                'filename'    => $name,
+                'imagewidth'  => $width,
+                'imageheight' => $height,
+                'imagetype'   => $suffix,
+                'imageframes' => 0,
+                'mimetype'    => $type,
+                'url'         => $url,
+                'uploadtime'  => time(),
+                'storage'     => 'hwobs',
+                'sha1'        => $md5,
+            );
+            Attachment::create($params, true);
+        }
+        $this->success();
+        return;
+    }
+
+    /**
+     * 检查签名是否正确或过期
+     */
+    protected function check()
+    {
+        $hwobstoken = $this->request->post('hwobstoken', '', 'trim');
+        if (!$hwobstoken) {
+            $this->error("参数不正确(code:1)");
+        }
+        $config = get_addon_config('hwobs');
+        list($accessKey, $sign, $data) = explode(':', $hwobstoken);
+        if (!$accessKey || !$sign || !$data) {
+            $this->error("参数不正确(code:2)");
+        }
+        if ($accessKey !== $config['accessKey']) {
+            $this->error("参数不正确(code:3)");
+        }
+        if ($sign !== base64_encode(hash_hmac('sha1', base64_decode($data), $config['secretKey'], true))) {
+            $this->error("签名不正确");
+        }
+        $json = json_decode(base64_decode($data), true);
+        if ($json['deadline'] < time()) {
+            $this->error("请求已经超时");
+        }
+    }
+
+}

addons/hwobs/info.ini

@@ -0,0 +1,10 @@
+name = hwobs
+title = 华为OBS云储存
+intro = 使用华为OBS作为默认云储存
+author = FastAdmin
+website = https://www.fastadmin.net
+version = 1.2.9
+state = 1
+url = /addons/hwobs
+license = regular
+licenseto = 34485

addons/hwobs/library/Auth.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace addons\hwobs\library;
+
+class Auth
+{
+
+    public function __construct()
+    {
+
+    }
+
+    public static function isModuleAllow()
+    {
+        $config = get_addon_config('hwobs');
+        $module = request()->module();
+        $module = $module ? strtolower($module) : 'index';
+        $noNeedLogin = array_filter(explode(',', $config['noneedlogin'] ?? ''));
+        $isModuleLogin = false;
+        $tagName = 'upload_config_checklogin';
+        foreach (\think\Hook::get($tagName) as $index => $name) {
+            if (\think\Hook::exec($name, $tagName)) {
+                $isModuleLogin = true;
+                break;
+            }
+        }
+        if (in_array($module, $noNeedLogin)
+            || ($module == 'admin' && \app\admin\library\Auth::instance()->id)
+            || ($module != 'admin' && \app\common\library\Auth::instance()->id)
+            || $isModuleLogin) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+}

addons/hwobs/library/Obs/Internal/Common/CheckoutStream.php

@@ -0,0 +1,63 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Common;
+
+use Psr\Http\Message\StreamInterface;
+use GuzzleHttp\Psr7\StreamDecoratorTrait;
+use Obs\ObsException;
+
+class CheckoutStream implements StreamInterface {
+    use StreamDecoratorTrait;
+    
+    private $expectedLength;
+    private $readedCount = 0;
+
+    public function __construct(StreamInterface $stream, $expectedLength) {
+        $this->stream = $stream;
+        $this->expectedLength = $expectedLength;
+    }
+
+    public function getContents() {
+        $contents = $this->stream->getContents();
+        $length = strlen($contents);
+        if ($this->expectedLength !== null && floatval($length) !== $this->expectedLength) {
+            $this -> throwObsException($this->expectedLength, $length);
+        }
+        return $contents;
+    }
+
+    public function read($length) {
+        $string = $this->stream->read($length);
+        if ($this->expectedLength !== null) {
+            $this->readedCount += strlen($string);
+            if ($this->stream->eof()) {
+                if (floatval($this->readedCount) !== $this->expectedLength) {
+                    $this -> throwObsException($this->expectedLength, $this->readedCount);
+                }
+            }
+        }    
+        return $string;
+    }
+
+    public function throwObsException($expectedLength, $reaLength) {
+        $obsException = new ObsException('premature end of Content-Length delimiter message body (expected:' . $expectedLength . '; received:' . $reaLength . ')');
+        $obsException->setExceptionType('server');
+        throw $obsException;
+    }
+}
+

addons/hwobs/library/Obs/Internal/Common/ITransform.php

@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Common;
+
+interface ITransform {
+    public function transform($sign, $para);
+}
+

addons/hwobs/library/Obs/Internal/Common/Model.php

@@ -0,0 +1,257 @@
+<?php
+
+/**
+ * Copyright (c) 2011-2018 Michael Dowling, https://github.com/mtdowling <mtdowling@gmail.com>
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+namespace Obs\Internal\Common;
+
+class Model implements \ArrayAccess, \IteratorAggregate, \Countable, ToArrayInterface
+{
+	protected $data;
+	
+	public function __construct(array $data = [])
+	{
+		$this->data = $data;
+	}
+	
+	public function count()
+	{
+		return count($this->data);
+	}
+	
+	public function getIterator()
+	{
+		return new \ArrayIterator($this->data);
+	}
+	
+	public function toArray()
+	{
+		return $this->data;
+	}
+	
+	public function clear()
+	{
+		$this->data = [];
+		
+		return $this;
+	}
+	
+	public function getAll(array $keys = null)
+	{
+		return $keys ? array_intersect_key($this->data, array_flip($keys)) : $this->data;
+	}
+	
+	public function get($key)
+	{
+		return isset($this->data[$key]) ? $this->data[$key] : null;
+	}
+	
+	public function set($key, $value)
+	{
+		$this->data[$key] = $value;
+		
+		return $this;
+	}
+	
+	public function add($key, $value)
+	{
+		if (!array_key_exists($key, $this->data)) {
+			$this->data[$key] = $value;
+		} elseif (is_array($this->data[$key])) {
+			$this->data[$key][] = $value;
+		} else {
+			$this->data[$key] = [$this->data[$key], $value];
+		}
+		
+		return $this;
+	}
+	
+	public function remove($key)
+	{
+		unset($this->data[$key]);
+		
+		return $this;
+	}
+	
+	public function getKeys()
+	{
+		return array_keys($this->data);
+	}
+	
+	public function hasKey($key)
+	{
+		return array_key_exists($key, $this->data);
+	}
+	
+	public function keySearch($key)
+	{
+		foreach (array_keys($this->data) as $k) {
+			if (!strcasecmp($k, $key)) {
+				return $k;
+			}
+		}
+		
+		return false;
+	}
+	
+	
+	public function hasValue($value)
+	{
+		return array_search($value, $this->data);
+	}
+	
+	public function replace(array $data)
+	{
+		$this->data = $data;
+		
+		return $this;
+	}
+	
+	public function merge($data)
+	{
+		foreach ($data as $key => $value) {
+			$this->add($key, $value);
+		}
+		
+		return $this;
+	}
+	
+	public function overwriteWith($data)
+	{
+		if (is_array($data)) {
+			$this->data = $data + $this->data;
+		} else {
+			foreach ($data as $key => $value) {
+				$this->data[$key] = $value;
+			}
+		}
+		
+		return $this;
+	}
+	
+	public function map(\Closure $closure, array $context = [], $static = true)
+	{
+		$collection = $static ? new static() : new self();
+		foreach ($this as $key => $value) {
+			$collection->add($key, $closure($key, $value, $context));
+		}
+		
+		return $collection;
+	}
+	
+	public function filter(\Closure $closure, $static = true)
+	{
+		$collection = ($static) ? new static() : new self();
+		foreach ($this->data as $key => $value) {
+			if ($closure($key, $value)) {
+				$collection->add($key, $value);
+			}
+		}
+		
+		return $collection;
+	}
+	
+	public function offsetExists($offset)
+	{
+		return isset($this->data[$offset]);
+	}
+	
+	public function offsetGet($offset)
+	{
+		return isset($this->data[$offset]) ? $this->data[$offset] : null;
+	}
+	
+	public function offsetSet($offset, $value)
+	{
+		$this->data[$offset] = $value;
+	}
+	
+	public function offsetUnset($offset)
+	{
+		unset($this->data[$offset]);
+	}
+	
+	public function setPath($path, $value)
+	{
+		$current =& $this->data;
+		$queue = explode('/', $path);
+		while (null !== ($key = array_shift($queue))) {
+			if (!is_array($current)) {
+				throw new \RuntimeException("Trying to setPath {$path}, but {$key} is set and is not an array");
+			} elseif (!$queue) {
+				$current[$key] = $value;
+			} elseif (isset($current[$key])) {
+				$current =& $current[$key];
+			} else {
+				$current[$key] = [];
+				$current =& $current[$key];
+			}
+		}
+		
+		return $this;
+	}
+	
+	public function getPath($path, $separator = '/', $data = null)
+	{
+		if ($data === null) {
+			$data =& $this->data;
+		}
+		
+		$path = is_array($path) ? $path : explode($separator, $path);
+		while (null !== ($part = array_shift($path))) {
+			if (!is_array($data)) {
+				return null;
+			} elseif (isset($data[$part])) {
+				$data =& $data[$part];
+			} elseif ($part != '*') {
+				return null;
+			} else {
+				// Perform a wildcard search by diverging and merging paths
+				$result = [];
+				foreach ($data as $value) {
+					if (!$path) {
+						$result = array_merge_recursive($result, (array) $value);
+					} elseif (null !== ($test = $this->getPath($path, $separator, $value))) {
+						$result = array_merge_recursive($result, (array) $test);
+					}
+				}
+				return $result;
+			}
+		}
+		
+		return $data;
+	}
+	
+	public function __toString()
+	{
+		$output = 'Debug output of ';
+		$output .= 'model';
+		$output = str_repeat('=', strlen($output)) . "\n" . $output . "\n" . str_repeat('=', strlen($output)) . "\n\n";
+		$output .= "Model data\n-----------\n\n";
+		$output .= "This data can be retrieved from the model object using the get() method of the model "
+				. "(e.g. \$model->get(\$key)) or accessing the model like an associative array (e.g. \$model['key']).\n\n";
+		$lines = array_slice(explode("\n", trim(print_r($this->toArray(), true))), 2, -1);
+		$output .=  implode("\n", $lines);
+		
+		return $output . "\n";
+	}
+}

addons/hwobs/library/Obs/Internal/Common/ObsTransform.php

@@ -0,0 +1,78 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Common;
+
+use Obs\ObsClient;
+
+class ObsTransform implements ITransform {
+    private static $instance;
+    
+    private function __construct(){}
+    
+    public static function getInstance() {
+        if (!(self::$instance instanceof ObsTransform)) {
+            self::$instance = new ObsTransform();
+        }
+        return self::$instance;
+    }
+     
+    
+    public function transform($sign, $para) {
+        if ($sign === 'aclHeader') {
+            $para = $this->transAclHeader($para);
+        } else if ($sign === 'aclUri') {
+            $para = $this->transAclGroupUri($para);
+        } else if ($sign == 'event') {
+            $para = $this->transNotificationEvent($para);
+        } else if ($sign == 'storageClass') {
+            $para = $this->transStorageClass($para);
+        }
+        return $para;
+    }
+    
+    private function transAclHeader($para) {
+        if ($para === ObsClient::AclAuthenticatedRead || $para === ObsClient::AclBucketOwnerRead || 
+                $para === ObsClient::AclBucketOwnerFullControl || $para === ObsClient::AclLogDeliveryWrite) {
+            $para = null;
+        }
+        return $para;
+    }
+    
+    private function transAclGroupUri($para) {
+        if ($para === ObsClient::GroupAllUsers) {
+            $para = ObsClient::AllUsers;
+        }
+        return $para;
+    }
+    
+    private function transNotificationEvent($para) {
+        $pos = strpos($para, 's3:');
+        if ($pos !== false && $pos === 0) {
+            $para = substr($para, 3);
+        }
+        return $para;
+    }
+    
+    private function transStorageClass($para) {
+        $search = array('STANDARD', 'STANDARD_IA', 'GLACIER');
+        $repalce = array(ObsClient::StorageClassStandard, ObsClient::StorageClassWarm, ObsClient::StorageClassCold);
+        $para = str_replace($search, $repalce, $para);
+        return $para;
+    }
+}
+

addons/hwobs/library/Obs/Internal/Common/SchemaFormatter.php

@@ -0,0 +1,116 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Common;
+
+
+class SchemaFormatter
+{
+    protected static $utcTimeZone;
+
+    public static function format($fmt, $value)
+    {   
+        if($fmt === 'date-time'){
+            return self::formatDateTime($value);
+        }
+        
+        if($fmt === 'data-time-http'){
+            return self::formatDateTimeHttp($value);
+        }
+        
+        if($fmt === 'data-time-middle'){
+            return self::formatDateTimeMiddle($value);
+        }
+        
+        if($fmt === 'date'){
+            return self::formatDate($value);
+        }
+        
+        if($fmt === 'timestamp'){
+            return self::formatTimestamp($value);
+        }
+        
+        if($fmt === 'boolean-string'){
+            return self::formatBooleanAsString($value);
+        }
+        
+        return $value;
+    }
+    
+    public static function formatDateTimeMiddle($dateTime)
+    {
+    	if (is_string($dateTime)) {
+    		$dateTime = new \DateTime($dateTime);
+    	}
+    	
+    	if ($dateTime instanceof \DateTime) {
+    		return $dateTime -> format('Y-m-d\T00:00:00\Z');
+    	}
+    	return null;
+    }
+
+    public static function formatDateTime($value)
+    {
+        return self::dateFormatter($value, 'Y-m-d\TH:i:s\Z');
+    }
+
+    public static function formatDateTimeHttp($value)
+    {
+        return self::dateFormatter($value, 'D, d M Y H:i:s \G\M\T');
+    }
+
+    public static function formatDate($value)
+    {
+        return self::dateFormatter($value, 'Y-m-d');
+    }
+
+    public static function formatTime($value)
+    {
+        return self::dateFormatter($value, 'H:i:s');
+    }
+
+    public static function formatBooleanAsString($value)
+    {
+        return filter_var($value, FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false';
+    }
+
+    public static function formatTimestamp($value)
+    {
+        return (int) self::dateFormatter($value, 'U');
+    }
+
+    private static function dateFormatter($dt, $fmt)
+    {
+        if (is_numeric($dt)) {
+            return gmdate($fmt, (int) $dt);
+        }
+
+        if (is_string($dt)) {
+            $dt = new \DateTime($dt);
+        }
+
+        if ($dt instanceof \DateTime) {
+            if (!self::$utcTimeZone) {
+                self::$utcTimeZone = new \DateTimeZone('UTC');
+            }
+            
+            return $dt->setTimezone(self::$utcTimeZone)->format($fmt);
+        }
+
+        return null;
+    }
+}

addons/hwobs/library/Obs/Internal/Common/SdkCurlFactory.php

@@ -0,0 +1,422 @@
+<?php
+
+/**
+ * Copyright (c) 2011-2018 Michael Dowling, https://github.com/mtdowling <mtdowling@gmail.com>
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+namespace Obs\Internal\Common;
+
+use GuzzleHttp\Psr7;
+use GuzzleHttp\Psr7\LazyOpenStream;
+use Psr\Http\Message\RequestInterface;
+use GuzzleHttp\Handler\CurlFactoryInterface;
+use GuzzleHttp\Handler\EasyHandle;
+
+class SdkCurlFactory implements CurlFactoryInterface
+{
+    private $handles = [];
+
+    private $maxHandles;
+
+    public function __construct($maxHandles)
+    {
+        $this->maxHandles = $maxHandles;
+    }
+
+    public function create(RequestInterface $request, array $options): EasyHandle
+    {
+        if (isset($options['curl']['body_as_string'])) {
+            $options['_body_as_string'] = $options['curl']['body_as_string'];
+            unset($options['curl']['body_as_string']);
+        }
+
+        $easy = new EasyHandle;
+        $easy->request = $request;
+        $easy->options = $options;
+        $conf = $this->getDefaultConf($easy);
+        $this->applyMethod($easy, $conf);
+        $this->applyHandlerOptions($easy, $conf);
+        $this->applyHeaders($easy, $conf);
+
+
+        unset($conf['_headers']);
+
+        if (isset($options['curl'])) {
+            $conf = array_replace($conf, $options['curl']);
+        }
+
+        $conf[CURLOPT_HEADERFUNCTION] = $this->createHeaderFn($easy);
+        if($this->handles){
+           $easy->handle = array_pop($this->handles);
+        }else{
+           $easy->handle = curl_init();
+        }
+        curl_setopt_array($easy->handle, $conf);
+
+        return $easy;
+    }
+
+    public function close()
+    {
+    	if($this->handles){
+    		foreach ($this->handles as $handle){
+    			curl_close($handle);
+    		}
+ 			unset($this->handles);
+ 			$this->handles = [];
+    	}
+    }
+
+    public function release(EasyHandle $easy): void
+    {
+        $resource = $easy->handle;
+        unset($easy->handle);
+
+        if (count($this->handles) >= $this->maxHandles) {
+            curl_close($resource);
+        } else {
+            curl_setopt($resource, CURLOPT_HEADERFUNCTION, null);
+            curl_setopt($resource, CURLOPT_READFUNCTION, null);
+            curl_setopt($resource, CURLOPT_WRITEFUNCTION, null);
+            curl_setopt($resource, CURLOPT_PROGRESSFUNCTION, null);
+            curl_reset($resource);
+            $this->handles[] = $resource;
+        }
+    }
+
+    private function getDefaultConf(EasyHandle $easy)
+    {
+        $conf = [
+            '_headers'             => $easy->request->getHeaders(),
+            CURLOPT_CUSTOMREQUEST  => $easy->request->getMethod(),
+            CURLOPT_URL            => (string) $easy->request->getUri()->withFragment(''),
+            CURLOPT_RETURNTRANSFER => false,
+            CURLOPT_HEADER         => false,
+            CURLOPT_CONNECTTIMEOUT => 150,
+        ];
+
+        if (defined('CURLOPT_PROTOCOLS')) {
+            $conf[CURLOPT_PROTOCOLS] = CURLPROTO_HTTP | CURLPROTO_HTTPS;
+        }
+
+        $version = $easy->request->getProtocolVersion();
+        if ($version == 1.1) {
+            $conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_1;
+        } elseif ($version == 2.0) {
+            $conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_2_0;
+        } else {
+            $conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_0;
+        }
+
+        return $conf;
+    }
+
+    private function applyMethod(EasyHandle $easy, array &$conf)
+    {
+        $body = $easy->request->getBody();
+        $size = $body->getSize();
+
+        if ($size === null || $size > 0) {
+            $this->applyBody($easy->request, $easy->options, $conf);
+            return;
+        }
+
+        $method = $easy->request->getMethod();
+        if ($method === 'PUT' || $method === 'POST') {
+            if (!$easy->request->hasHeader('Content-Length')) {
+                $conf[CURLOPT_HTTPHEADER][] = 'Content-Length: 0';
+            }
+        } elseif ($method === 'HEAD') {
+            $conf[CURLOPT_NOBODY] = true;
+            unset(
+                $conf[CURLOPT_WRITEFUNCTION],
+                $conf[CURLOPT_READFUNCTION],
+                $conf[CURLOPT_FILE],
+                $conf[CURLOPT_INFILE]
+            );
+        }
+    }
+
+    private function applyBody(RequestInterface $request, array $options, array &$conf)
+    {
+        $size = $request->hasHeader('Content-Length')
+            ? (int) $request->getHeaderLine('Content-Length')
+            : $request->getBody()->getSize();
+
+        if($request->getBody()->getSize() === $size && $request -> getBody() ->tell() <= 0){
+	        if (($size !== null && $size < 1000000) ||
+	            !empty($options['_body_as_string'])
+	        ) {
+	            $conf[CURLOPT_POSTFIELDS] = (string) $request->getBody();
+	            $this->removeHeader('Content-Length', $conf);
+	            $this->removeHeader('Transfer-Encoding', $conf);
+	        } else {
+	            $conf[CURLOPT_UPLOAD] = true;
+	            if ($size !== null) {
+	                $conf[CURLOPT_INFILESIZE] = $size;
+	                $this->removeHeader('Content-Length', $conf);
+	            }
+	            $body = $request->getBody();
+	            if ($body->isSeekable()) {
+	                $body->rewind();
+	            }
+	            $conf[CURLOPT_READFUNCTION] = function ($ch, $fd, $length) use ($body) {
+	                return $body->read($length);
+	            };
+	        }
+        }else{
+        	$body = $request->getBody();
+        	$conf[CURLOPT_UPLOAD] = true;
+        	$conf[CURLOPT_INFILESIZE] = $size;
+        	$readCount = 0;
+        	$conf[CURLOPT_READFUNCTION] = function ($ch, $fd, $length) use ($body, $readCount, $size) {
+        		if($readCount >= $size){
+        			$body -> close();
+        			return '';
+        		}
+        		$readCountOnce = $length <= $size ? $length : $size;
+        		$readCount += $readCountOnce;
+        		return $body->read($readCountOnce);
+        	};
+        }
+
+
+
+        if (!$request->hasHeader('Expect')) {
+            $conf[CURLOPT_HTTPHEADER][] = 'Expect:';
+        }
+
+        if (!$request->hasHeader('Content-Type')) {
+            $conf[CURLOPT_HTTPHEADER][] = 'Content-Type:';
+        }
+    }
+
+    private function applyHeaders(EasyHandle $easy, array &$conf)
+    {
+        foreach ($conf['_headers'] as $name => $values) {
+            foreach ($values as $value) {
+                $conf[CURLOPT_HTTPHEADER][] = "$name: $value";
+            }
+        }
+
+        // Remove the Accept header if one was not set
+        if (!$easy->request->hasHeader('Accept')) {
+            $conf[CURLOPT_HTTPHEADER][] = 'Accept:';
+        }
+    }
+
+    private function removeHeader($name, array &$options)
+    {
+        foreach (array_keys($options['_headers']) as $key) {
+            if (!strcasecmp($key, $name)) {
+                unset($options['_headers'][$key]);
+                return;
+            }
+        }
+    }
+
+    private function applyHandlerOptions(EasyHandle $easy, array &$conf)
+    {
+        $options = $easy->options;
+        if (isset($options['verify'])) {
+        	$conf[CURLOPT_SSL_VERIFYHOST] = 0;
+            if ($options['verify'] === false) {
+                unset($conf[CURLOPT_CAINFO]);
+                $conf[CURLOPT_SSL_VERIFYPEER] = false;
+            } else {
+                $conf[CURLOPT_SSL_VERIFYPEER] = true;
+                if (is_string($options['verify'])) {
+                    if (!file_exists($options['verify'])) {
+                        throw new \InvalidArgumentException(
+                            "SSL CA bundle not found: {$options['verify']}"
+                        );
+                    }
+                    if (is_dir($options['verify']) ||
+                        (is_link($options['verify']) && is_dir(readlink($options['verify'])))) {
+                        $conf[CURLOPT_CAPATH] = $options['verify'];
+                    } else {
+                        $conf[CURLOPT_CAINFO] = $options['verify'];
+                    }
+                }
+            }
+        }
+
+        if (!empty($options['decode_content'])) {
+            $accept = $easy->request->getHeaderLine('Accept-Encoding');
+            if ($accept) {
+                $conf[CURLOPT_ENCODING] = $accept;
+            } else {
+                $conf[CURLOPT_ENCODING] = '';
+                $conf[CURLOPT_HTTPHEADER][] = 'Accept-Encoding:';
+            }
+        }
+
+        if (isset($options['sink'])) {
+            $sink = $options['sink'];
+            if (!is_string($sink)) {
+                $sink = \GuzzleHttp\Psr7\Utils::streamFor($sink);
+            } elseif (!is_dir(dirname($sink))) {
+                throw new \RuntimeException(sprintf(
+                    'Directory %s does not exist for sink value of %s',
+                    dirname($sink),
+                    $sink
+                ));
+            } else {
+                $sink = new LazyOpenStream($sink, 'w+');
+            }
+            $easy->sink = $sink;
+            $conf[CURLOPT_WRITEFUNCTION] = function ($ch, $write) use ($sink) {
+                return $sink->write($write);
+            };
+        } else {
+            $conf[CURLOPT_FILE] = fopen('php://temp', 'w+');
+            $easy->sink = \GuzzleHttp\Psr7\Utils::streamFor($conf[CURLOPT_FILE]);
+        }
+        $timeoutRequiresNoSignal = false;
+        if (isset($options['timeout'])) {
+            $timeoutRequiresNoSignal |= $options['timeout'] < 1;
+            $conf[CURLOPT_TIMEOUT_MS] = $options['timeout'] * 1000;
+        }
+
+        if (isset($options['force_ip_resolve'])) {
+            if ('v4' === $options['force_ip_resolve']) {
+                $conf[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V4;
+            } else if ('v6' === $options['force_ip_resolve']) {
+                $conf[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V6;
+            }
+        }
+
+        if (isset($options['connect_timeout'])) {
+            $timeoutRequiresNoSignal |= $options['connect_timeout'] < 1;
+            $conf[CURLOPT_CONNECTTIMEOUT_MS] = $options['connect_timeout'] * 1000;
+        }
+
+        if ($timeoutRequiresNoSignal && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
+            $conf[CURLOPT_NOSIGNAL] = true;
+        }
+
+        if (isset($options['proxy'])) {
+            if (!is_array($options['proxy'])) {
+                $conf[CURLOPT_PROXY] = $options['proxy'];
+            } else {
+                $scheme = $easy->request->getUri()->getScheme();
+                if (isset($options['proxy'][$scheme])) {
+                    $host = $easy->request->getUri()->getHost();
+                    if (!isset($options['proxy']['no']) ||
+                        !\GuzzleHttp\is_host_in_noproxy($host, $options['proxy']['no'])
+                    ) {
+                        $conf[CURLOPT_PROXY] = $options['proxy'][$scheme];
+                    }
+                }
+            }
+        }
+
+        if (isset($options['cert'])) {
+            $cert = $options['cert'];
+            if (is_array($cert)) {
+                $conf[CURLOPT_SSLCERTPASSWD] = $cert[1];
+                $cert = $cert[0];
+            }
+            if (!file_exists($cert)) {
+                throw new \InvalidArgumentException(
+                    "SSL certificate not found: {$cert}"
+                );
+            }
+            $conf[CURLOPT_SSLCERT] = $cert;
+        }
+
+        if (isset($options['ssl_key'])) {
+            $sslKey = $options['ssl_key'];
+            if (is_array($sslKey)) {
+                $conf[CURLOPT_SSLKEYPASSWD] = $sslKey[1];
+                $sslKey = $sslKey[0];
+            }
+            if (!file_exists($sslKey)) {
+                throw new \InvalidArgumentException(
+                    "SSL private key not found: {$sslKey}"
+                );
+            }
+            $conf[CURLOPT_SSLKEY] = $sslKey;
+        }
+
+        if (isset($options['progress'])) {
+            $progress = $options['progress'];
+            if (!is_callable($progress)) {
+                throw new \InvalidArgumentException(
+                    'progress client option must be callable'
+                );
+            }
+            $conf[CURLOPT_NOPROGRESS] = false;
+            $conf[CURLOPT_PROGRESSFUNCTION] = function () use ($progress) {
+                $args = func_get_args();
+                if (is_resource($args[0])) {
+                    array_shift($args);
+                }
+                call_user_func_array($progress, $args);
+            };
+        }
+
+        if (!empty($options['debug'])) {
+            $conf[CURLOPT_STDERR] = \GuzzleHttp\debug_resource($options['debug']);
+            $conf[CURLOPT_VERBOSE] = true;
+        }
+    }
+
+
+    private function createHeaderFn(EasyHandle $easy)
+    {
+        if (isset($easy->options['on_headers'])) {
+            $onHeaders = $easy->options['on_headers'];
+
+            if (!is_callable($onHeaders)) {
+                throw new \InvalidArgumentException('on_headers must be callable');
+            }
+        } else {
+            $onHeaders = null;
+        }
+
+        return function ($ch, $h) use (
+            $onHeaders,
+            $easy,
+            &$startingResponse
+        ) {
+            $value = trim($h);
+            if ($value === '') {
+                $startingResponse = true;
+                $easy->createResponse();
+                if ($onHeaders !== null) {
+                    try {
+                        $onHeaders($easy->response);
+                    } catch (\Exception $e) {
+                        $easy->onHeadersException = $e;
+                        return -1;
+                    }
+                }
+            } elseif ($startingResponse) {
+                $startingResponse = false;
+                $easy->headers = [$value];
+            } else {
+                $easy->headers[] = $value;
+            }
+            return strlen($h);
+        };
+    }
+}

addons/hwobs/library/Obs/Internal/Common/SdkStreamHandler.php

@@ -0,0 +1,502 @@
+<?php
+
+/**
+ * Copyright (c) 2011-2018 Michael Dowling, https://github.com/mtdowling <mtdowling@gmail.com>
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+namespace Obs\Internal\Common;
+
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Exception\ConnectException;
+use GuzzleHttp\Promise\FulfilledPromise;
+use GuzzleHttp\Promise\PromiseInterface;
+use GuzzleHttp\Psr7;
+use GuzzleHttp\TransferStats;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\StreamInterface;
+
+class SdkStreamHandler
+{
+    private $lastHeaders = [];
+
+    public function __invoke(RequestInterface $request, array $options)
+    {
+        if (isset($options['delay'])) {
+            usleep($options['delay'] * 1000);
+        }
+
+        $startTime = isset($options['on_stats']) ? microtime(true) : null;
+
+        try {
+            $request = $request->withoutHeader('Expect');
+
+            if (0 === $request->getBody()->getSize()) {
+                $request = $request->withHeader('Content-Length', 0);
+            }
+
+            return $this->createResponse(
+                $request,
+                $options,
+                $this->createStream($request, $options),
+                $startTime
+            );
+        } catch (\InvalidArgumentException $e) {
+            throw $e;
+        } catch (\Exception $e) {
+            $message = $e->getMessage();
+            if (strpos($message, 'getaddrinfo')
+                || strpos($message, 'Connection refused')
+                || strpos($message, "couldn't connect to host")
+            ) {
+                $e = new ConnectException($e->getMessage(), $request, $e);
+            }
+            $e = RequestException::wrapException($request, $e);
+            $this->invokeStats($options, $request, $startTime, null, $e);
+
+            return \GuzzleHttp\Promise\rejection_for($e);
+        }
+    }
+
+    private function invokeStats(
+        array $options,
+        RequestInterface $request,
+        $startTime,
+        ResponseInterface $response = null,
+        $error = null
+    ) {
+        if (isset($options['on_stats'])) {
+            $stats = new TransferStats(
+                $request,
+                $response,
+                microtime(true) - $startTime,
+                $error,
+                []
+            );
+            call_user_func($options['on_stats'], $stats);
+        }
+    }
+
+    private function createResponse(
+        RequestInterface $request,
+        array $options,
+        $stream,
+        $startTime
+    ) {
+        $hdrs = $this->lastHeaders;
+        $this->lastHeaders = [];
+        $parts = explode(' ', array_shift($hdrs), 3);
+        $ver = explode('/', $parts[0])[1];
+        $status = $parts[1];
+        $reason = isset($parts[2]) ? $parts[2] : null;
+        $headers = \GuzzleHttp\headers_from_lines($hdrs);
+        list ($stream, $headers) = $this->checkDecode($options, $headers, $stream);
+        $stream = \GuzzleHttp\Psr7\Utils::streamFor($stream);
+        $sink = $stream;
+
+        if (strcasecmp('HEAD', $request->getMethod())) {
+            $sink = $this->createSink($stream, $options);
+        }
+
+        $response = new Psr7\Response($status, $headers, $sink, $ver, $reason);
+
+        if (isset($options['on_headers'])) {
+            try {
+                $options['on_headers']($response);
+            } catch (\Exception $e) {
+                $msg = 'An error was encountered during the on_headers event';
+                $ex = new RequestException($msg, $request, $response, $e);
+                return \GuzzleHttp\Promise\rejection_for($ex);
+            }
+        }
+
+        if ($sink !== $stream) {
+            $this->drain(
+                $stream,
+                $sink,
+                $response->getHeaderLine('Content-Length')
+            );
+        }
+
+        $this->invokeStats($options, $request, $startTime, $response, null);
+
+        return new FulfilledPromise($response);
+    }
+
+    private function createSink(StreamInterface $stream, array $options)
+    {
+        if (!empty($options['stream'])) {
+            return $stream;
+        }
+
+        $sink = isset($options['sink'])
+            ? $options['sink']
+            : fopen('php://temp', 'r+');
+
+        return is_string($sink)
+            ? new Psr7\LazyOpenStream($sink, 'w+')
+            : \GuzzleHttp\Psr7\Utils::streamFor($sink);
+    }
+
+    private function checkDecode(array $options, array $headers, $stream)
+    {
+        if (!empty($options['decode_content'])) {
+            $normalizedKeys = \GuzzleHttp\normalize_header_keys($headers);
+            if (isset($normalizedKeys['content-encoding'])) {
+                $encoding = $headers[$normalizedKeys['content-encoding']];
+                if ($encoding[0] === 'gzip' || $encoding[0] === 'deflate') {
+                    $stream = new Psr7\InflateStream(
+                        \GuzzleHttp\Psr7\Utils::streamFor($stream)
+                    );
+                    $headers['x-encoded-content-encoding']
+                        = $headers[$normalizedKeys['content-encoding']];
+                    unset($headers[$normalizedKeys['content-encoding']]);
+                    if (isset($normalizedKeys['content-length'])) {
+                        $headers['x-encoded-content-length']
+                            = $headers[$normalizedKeys['content-length']];
+
+                        $length = (int) $stream->getSize();
+                        if ($length === 0) {
+                            unset($headers[$normalizedKeys['content-length']]);
+                        } else {
+                            $headers[$normalizedKeys['content-length']] = [$length];
+                        }
+                    }
+                }
+            }
+        }
+
+        return [$stream, $headers];
+    }
+
+    private function drain(
+        StreamInterface $source,
+        StreamInterface $sink,
+        $contentLength
+    ) {
+        \GuzzleHttp\Psr7\Utils::copyToStream(
+            $source,
+            $sink,
+            (strlen($contentLength) > 0 && (int) $contentLength > 0) ? (int) $contentLength : -1
+        );
+
+        $sink->seek(0);
+        $source->close();
+
+        return $sink;
+    }
+
+    private function createResource(callable $callback)
+    {
+        $errors = null;
+        set_error_handler(function ($_, $msg, $file, $line) use (&$errors) {
+            $errors[] = [
+                'message' => $msg,
+                'file'    => $file,
+                'line'    => $line
+            ];
+            return true;
+        });
+
+        $resource = $callback();
+        restore_error_handler();
+
+        if (!$resource) {
+            $message = 'Error creating resource: ';
+            foreach ($errors as $err) {
+                foreach ($err as $key => $value) {
+                    $message .= "[$key] $value" . PHP_EOL;
+                }
+            }
+            throw new \RuntimeException(trim($message));
+        }
+
+        return $resource;
+    }
+
+    private function createStream(RequestInterface $request, array $options)
+    {
+        static $methods;
+        if (!$methods) {
+            $methods = array_flip(get_class_methods(__CLASS__));
+        }
+
+        if ($request->getProtocolVersion() == '1.1'
+            && !$request->hasHeader('Connection')
+        ) {
+            $request = $request->withHeader('Connection', 'close');
+        }
+
+        if (!isset($options['verify'])) {
+            $options['verify'] = true;
+        }
+
+        $params = [];
+        $context = $this->getDefaultContext($request, $options);
+
+        if (isset($options['on_headers']) && !is_callable($options['on_headers'])) {
+            throw new \InvalidArgumentException('on_headers must be callable');
+        }
+
+        if (!empty($options)) {
+            foreach ($options as $key => $value) {
+                $method = "add_{$key}";
+                if (isset($methods[$method])) {
+                    $this->{$method}($request, $context, $value, $params);
+                }
+            }
+        }
+
+        if (isset($options['stream_context'])) {
+            if (!is_array($options['stream_context'])) {
+                throw new \InvalidArgumentException('stream_context must be an array');
+            }
+            $context = array_replace_recursive(
+                $context,
+                $options['stream_context']
+            );
+        }
+
+        if (isset($options['auth'])
+            && is_array($options['auth'])
+            && isset($options['auth'][2])
+            && 'ntlm' == $options['auth'][2]
+        ) {
+
+            throw new \InvalidArgumentException('Microsoft NTLM authentication only supported with curl handler');
+        }
+
+        $uri = $this->resolveHost($request, $options);
+
+        $context = $this->createResource(
+            function () use ($context, $params) {
+                return stream_context_create($context, $params);
+            }
+        );
+
+        return $this->createResource(
+            function () use ($uri, &$http_response_header, $context, $options) {
+                $resource = fopen((string) $uri, 'r', null, $context);
+                $this->lastHeaders = $http_response_header;
+
+                if (isset($options['read_timeout'])) {
+                    $readTimeout = $options['read_timeout'];
+                    $sec = (int) $readTimeout;
+                    $usec = ($readTimeout - $sec) * 100000;
+                    stream_set_timeout($resource, $sec, $usec);
+                }
+
+                return $resource;
+            }
+        );
+    }
+
+    private function resolveHost(RequestInterface $request, array $options)
+    {
+        $uri = $request->getUri();
+
+        if (isset($options['force_ip_resolve']) && !filter_var($uri->getHost(), FILTER_VALIDATE_IP)) {
+            if ('v4' === $options['force_ip_resolve']) {
+                $records = dns_get_record($uri->getHost(), DNS_A);
+                if (!isset($records[0]['ip'])) {
+                    throw new ConnectException(sprintf("Could not resolve IPv4 address for host '%s'", $uri->getHost()), $request);
+                }
+                $uri = $uri->withHost($records[0]['ip']);
+            } elseif ('v6' === $options['force_ip_resolve']) {
+                $records = dns_get_record($uri->getHost(), DNS_AAAA);
+                if (!isset($records[0]['ipv6'])) {
+                    throw new ConnectException(sprintf("Could not resolve IPv6 address for host '%s'", $uri->getHost()), $request);
+                }
+                $uri = $uri->withHost('[' . $records[0]['ipv6'] . ']');
+            }
+        }
+
+        return $uri;
+    }
+
+    private function getDefaultContext(RequestInterface $request)
+    {
+        $headers = '';
+        foreach ($request->getHeaders() as $name => $value) {
+            foreach ($value as $val) {
+                $headers .= "$name: $val\r\n";
+            }
+        }
+
+        $context = [
+            'http' => [
+                'method'           => $request->getMethod(),
+                'header'           => $headers,
+                'protocol_version' => $request->getProtocolVersion(),
+                'ignore_errors'    => true,
+                'follow_location'  => 0,
+            ],
+        ];
+
+        $body = (string) $request->getBody();
+
+        if (!empty($body)) {
+            $context['http']['content'] = $body;
+            if (!$request->hasHeader('Content-Type')) {
+                $context['http']['header'] .= "Content-Type:\r\n";
+            }
+        }
+
+        $context['http']['header'] = rtrim($context['http']['header']);
+
+        return $context;
+    }
+
+    private function add_proxy(RequestInterface $request, &$options, $value, &$params)
+    {
+        if (!is_array($value)) {
+            $options['http']['proxy'] = $value;
+        } else {
+            $scheme = $request->getUri()->getScheme();
+            if (isset($value[$scheme])) {
+                if (!isset($value['no'])
+                    || !\GuzzleHttp\is_host_in_noproxy(
+                        $request->getUri()->getHost(),
+                        $value['no']
+                    )
+                ) {
+                    $options['http']['proxy'] = $value[$scheme];
+                }
+            }
+        }
+    }
+
+    private function add_timeout(RequestInterface $request, &$options, $value, &$params)
+    {
+        if ($value > 0) {
+            $options['http']['timeout'] = $value;
+        }
+    }
+
+    private function add_verify(RequestInterface $request, &$options, $value, &$params)
+    {
+        if ($value === true) {
+            if (PHP_VERSION_ID < 50600) {
+                $options['ssl']['cafile'] = \GuzzleHttp\default_ca_bundle();
+            }
+        } elseif (is_string($value)) {
+            $options['ssl']['cafile'] = $value;
+            if (!file_exists($value)) {
+                throw new \RuntimeException("SSL CA bundle not found: $value");
+            }
+        } elseif ($value === false) {
+            $options['ssl']['verify_peer'] = false;
+            $options['ssl']['verify_peer_name'] = false;
+            return;
+        } else {
+            throw new \InvalidArgumentException('Invalid verify request option');
+        }
+
+        $options['ssl']['verify_peer'] = true;
+        $options['ssl']['verify_peer_name'] = true;
+        $options['ssl']['allow_self_signed'] = false;
+    }
+
+    private function add_cert(RequestInterface $request, &$options, $value, &$params)
+    {
+        if (is_array($value)) {
+            $options['ssl']['passphrase'] = $value[1];
+            $value = $value[0];
+        }
+
+        if (!file_exists($value)) {
+            throw new \RuntimeException("SSL certificate not found: {$value}");
+        }
+
+        $options['ssl']['local_cert'] = $value;
+    }
+
+    private function add_progress(RequestInterface $request, &$options, $value, &$params)
+    {
+        $this->addNotification(
+            $params,
+            function ($code, $a, $b, $c, $transferred, $total) use ($value) {
+                if ($code == STREAM_NOTIFY_PROGRESS) {
+                    $value($total, $transferred, null, null);
+                }
+            }
+        );
+    }
+
+    private function add_debug(RequestInterface $request, &$options, $value, &$params)
+    {
+        if ($value === false) {
+            return;
+        }
+
+        static $map = [
+            STREAM_NOTIFY_CONNECT       => 'CONNECT',
+            STREAM_NOTIFY_AUTH_REQUIRED => 'AUTH_REQUIRED',
+            STREAM_NOTIFY_AUTH_RESULT   => 'AUTH_RESULT',
+            STREAM_NOTIFY_MIME_TYPE_IS  => 'MIME_TYPE_IS',
+            STREAM_NOTIFY_FILE_SIZE_IS  => 'FILE_SIZE_IS',
+            STREAM_NOTIFY_REDIRECTED    => 'REDIRECTED',
+            STREAM_NOTIFY_PROGRESS      => 'PROGRESS',
+            STREAM_NOTIFY_FAILURE       => 'FAILURE',
+            STREAM_NOTIFY_COMPLETED     => 'COMPLETED',
+            STREAM_NOTIFY_RESOLVE       => 'RESOLVE',
+        ];
+        static $args = ['severity', 'message', 'message_code',
+            'bytes_transferred', 'bytes_max'];
+
+        $value = \GuzzleHttp\debug_resource($value);
+        $ident = $request->getMethod() . ' ' . $request->getUri()->withFragment('');
+        $this->addNotification(
+            $params,
+            function () use ($ident, $value, $map, $args) {
+                $passed = func_get_args();
+                $code = array_shift($passed);
+                fprintf($value, '<%s> [%s] ', $ident, $map[$code]);
+                foreach (array_filter($passed) as $i => $v) {
+                    fwrite($value, $args[$i] . ': "' . $v . '" ');
+                }
+                fwrite($value, "\n");
+            }
+        );
+    }
+
+    private function addNotification(array &$params, callable $notify)
+    {
+        if (!isset($params['notification'])) {
+            $params['notification'] = $notify;
+        } else {
+            $params['notification'] = $this->callArray([
+                $params['notification'],
+                $notify
+            ]);
+        }
+    }
+
+    private function callArray(array $functions)
+    {
+        return function () use ($functions) {
+            $args = func_get_args();
+            foreach ($functions as $fn) {
+                call_user_func_array($fn, $args);
+            }
+        };
+    }
+}

addons/hwobs/library/Obs/Internal/Common/ToArrayInterface.php

@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Common;
+
+interface ToArrayInterface
+{
+	public function toArray();
+}

addons/hwobs/library/Obs/Internal/Common/V2Transform.php

@@ -0,0 +1,83 @@
+<?php
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Common;
+
+use Obs\ObsClient;
+use Obs\Internal\Resource\V2Constants;
+
+class V2Transform implements ITransform{
+    private static $instance;
+    
+    private function __construct(){}
+    
+    public static function getInstance() {
+        if (!(self::$instance instanceof V2Transform)) {
+            self::$instance = new V2Transform();
+        }
+        return self::$instance;
+    }
+     
+    public function transform($sign, $para) {
+        if ($sign === 'storageClass') {
+            $para = $this->transStorageClass($para);
+        } else if ($sign === 'aclHeader') {
+            $para = $this->transAclHeader($para);
+        } else if ($sign === 'aclUri') {
+            $para = $this->transAclGroupUri($para);
+        } else if ($sign == 'event') {
+            $para = $this->transNotificationEvent($para);
+        }
+        return $para;
+    }
+    
+    private function transStorageClass($para) {
+        $search = array(ObsClient::StorageClassStandard, ObsClient::StorageClassWarm, ObsClient::StorageClassCold);
+        $repalce = array('STANDARD', 'STANDARD_IA', 'GLACIER');
+        $para = str_replace($search, $repalce, $para);
+        return $para;
+    }
+    
+    private function transAclHeader($para) {
+        if ($para === ObsClient::AclPublicReadDelivered || $para === ObsClient::AclPublicReadWriteDelivered) {
+            $para = null;
+        }
+        return $para;                    
+    }
+    
+    private function transAclGroupUri($para) {
+        if ($para === ObsClient::GroupAllUsers) {
+            $para = V2Constants::GROUP_ALL_USERS_PREFIX . $para;
+        } else if ($para === ObsClient::GroupAuthenticatedUsers) {
+            $para = V2Constants::GROUP_AUTHENTICATED_USERS_PREFIX . $para; 
+        } else if ($para === ObsClient::GroupLogDelivery) {
+            $para = V2Constants::GROUP_LOG_DELIVERY_PREFIX . $para;
+        } else if ($para === ObsClient::AllUsers) {
+            $para = V2Constants::GROUP_ALL_USERS_PREFIX . ObsClient::GroupAllUsers;
+        }
+        return $para;
+    }
+    
+    private function transNotificationEvent($para) {
+        $pos = strpos($para, 's3:');
+        if ($pos === false || $pos !== 0) {
+            $para = 's3:' . $para;
+        }
+        return $para;
+    }
+}
+
+

addons/hwobs/library/Obs/Internal/GetResponseTrait.php

@@ -0,0 +1,380 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal;
+use GuzzleHttp\Psr7\Request;
+use GuzzleHttp\Psr7\Response;
+use GuzzleHttp\Exception\RequestException;
+use Obs\ObsException;
+use Obs\Internal\Common\Model;
+use Obs\Internal\Resource\Constants;
+use Obs\Log\ObsLog;
+use Psr\Http\Message\StreamInterface;
+use Obs\Internal\Common\CheckoutStream;
+
+trait GetResponseTrait
+{
+
+	protected $exceptionResponseMode = true;
+	
+	protected $chunkSize = 65536;
+	
+	protected function isClientError(Response $response)
+	{
+		return $response -> getStatusCode() >= 400 && $response -> getStatusCode() < 500;
+	}
+	
+	protected function parseXmlByType($searchPath, $key, &$value, $xml, $prefix)
+	{	
+		$type = 'string';
+		
+		if(isset($value['sentAs'])){
+			$key = $value['sentAs'];
+		}
+		
+		if($searchPath === null){
+			$searchPath = '//'.$prefix.$key;
+		}
+		
+		if(isset($value['type'])){
+			$type = $value['type'];
+			if($type === 'array'){
+				$items = $value['items'];
+				if(isset($value['wrapper'])){
+				    $paths = explode('/', $searchPath);
+				    $size = count($paths);
+				    if ($size > 1) {
+				        $end = $paths[$size - 1];
+				        $paths[$size - 1] = $value['wrapper'];
+				        $paths[] = $end;
+				        $searchPath = implode('/', $paths) .'/' . $prefix;
+				    }
+				}
+				
+				$array = [];
+				if(!isset($value['data']['xmlFlattened'])){
+					$pkey = isset($items['sentAs']) ? $items['sentAs'] : $items['name'];
+					$_searchPath = $searchPath .'/' . $prefix .$pkey;
+				}else{
+					$pkey = $key;
+					$_searchPath = $searchPath;
+				}
+				if($result = $xml -> xpath($_searchPath)){
+					if(is_array($result)){
+						foreach ($result as $subXml){
+							$subXml = simplexml_load_string($subXml -> asXML());
+							$subPrefix = $this->getXpathPrefix($subXml);
+							$array[] = $this->parseXmlByType('//'.$subPrefix. $pkey, $pkey, $items, $subXml, $subPrefix);
+						}
+					}
+				}
+				return $array;
+			}else if($type === 'object'){
+				$properties = $value['properties'];
+				$array = [];
+				foreach ($properties as $pkey => $pvalue){
+					$name = isset($pvalue['sentAs']) ? $pvalue['sentAs'] : $pkey;
+					$array[$pkey] = $this->parseXmlByType($searchPath.'/' . $prefix .$name, $name, $pvalue, $xml, $prefix);
+				}
+				return $array;
+			}
+		}
+		
+		if($result = $xml -> xpath($searchPath)){
+			if($type === 'boolean'){
+				return strval($result[0]) !== 'false';
+			}else if($type === 'numeric' || $type === 'float'){
+				return floatval($result[0]);
+			}else if($type === 'int' || $type === 'integer'){
+				return intval($result[0]);
+			}else{
+				return strval($result[0]);
+			}
+		}else{
+			if($type === 'boolean'){
+				return false;
+			}else if($type === 'numeric' || $type === 'float' || $type === 'int' || $type === 'integer'){
+				return null;
+			}else{
+				return '';
+			}
+		}
+	}
+	
+	private function parseCommonHeaders($model, $response){
+	    $constants = Constants::selectConstants($this -> signature);
+	    foreach($constants::COMMON_HEADERS as $key => $value){
+			$model[$value] = $response -> getHeaderLine($key);
+		}
+	}
+	
+	protected function parseItems($responseParameters, $model, $response, $body)
+	{
+		$prefix = '';
+		
+		$this->parseCommonHeaders($model, $response);
+		
+		$closeBody = false;
+		try{
+			foreach ($responseParameters as $key => $value){
+				if(isset($value['location'])){
+					$location = $value['location'];
+					if($location === 'header'){
+						$name = isset($value['sentAs']) ? $value['sentAs'] : $key;
+						$isSet = false;
+						if(isset($value['type'])){
+							$type = $value['type'];
+							if($type === 'object'){
+								$headers = $response -> getHeaders();
+								$temp = [];
+								foreach ($headers as $headerName => $headerValue){
+									if(stripos($headerName, $name) === 0){
+									    $metaKey = rawurldecode(substr($headerName, strlen($name)));
+									    $temp[$metaKey] = rawurldecode($response -> getHeaderLine($headerName));
+									}
+								}
+								$model[$key] = $temp;
+								$isSet = true;
+							}else{
+								if($response -> hasHeader($name)){
+									if($type === 'boolean'){
+										$model[$key] = ($response -> getHeaderLine($name)) !== 'false';
+										$isSet = true;
+									}else if($type === 'numeric' || $type === 'float'){
+										$model[$key] = floatval($response -> getHeaderLine($name));
+										$isSet = true;
+									}else if($type === 'int' || $type === 'integer'){
+										$model[$key] = intval($response -> getHeaderLine($name));
+										$isSet = true;
+									}
+								}
+							}
+						}
+						if(!$isSet){
+							$model[$key] = rawurldecode($response -> getHeaderLine($name));
+						}
+					}else if($location === 'xml' && $body !== null){
+					    if(!isset($xml) && ($xml = simplexml_load_string($body -> getContents()))){
+							$prefix = $this ->getXpathPrefix($xml);
+						}
+						$closeBody = true;
+						$model[$key] = $this -> parseXmlByType(null, $key,$value, $xml, $prefix);
+					}else if($location === 'body' && $body !== null){
+						if(isset($value['type']) && $value['type'] === 'stream'){
+							$model[$key] = $body;
+						}else{
+							$model[$key] = $body -> getContents();
+							$closeBody = true;
+						}
+					}
+				}
+			}
+		}finally {
+			if($closeBody && $body !== null){
+				$body -> close();
+			}
+		}
+	}
+	
+	private function writeFile($filePath, StreamInterface &$body, $contentLength)
+	{
+		$filePath = iconv('UTF-8', 'GBK', $filePath);
+		if(is_string($filePath) && $filePath !== '')
+		{
+			$fp = null;
+			$dir = dirname($filePath);
+			try{
+				if(!is_dir($dir))
+				{
+					mkdir($dir,0755,true);
+				}
+				
+				if(($fp = fopen($filePath, 'w')))
+				{
+					while(!$body->eof())
+					{
+						$str = $body->read($this->chunkSize);
+						fwrite($fp, $str);
+					}
+					fflush($fp);
+					ObsLog::commonLog(DEBUG, "write file %s ok",$filePath);
+				}
+				else{
+					ObsLog::commonLog(ERROR, "open file error,file path:%s",$filePath);
+				}
+			}finally{
+				if($fp){
+					fclose($fp);
+				}
+				$body->close();
+				$body = null;
+			}
+		}
+	}
+	
+	private function parseXmlToException($body, $obsException){
+		try{
+			$xmlErrorBody = trim($body -> getContents());
+			if($xmlErrorBody && ($xml = simplexml_load_string($xmlErrorBody))){
+				$prefix = $this->getXpathPrefix($xml);
+				if ($tempXml = $xml->xpath('//'.$prefix . 'Code')) {
+					$obsException-> setExceptionCode(strval($tempXml[0]));
+				}
+				if ($tempXml = $xml->xpath('//'.$prefix . 'RequestId')) {
+					$obsException-> setRequestId(strval($tempXml[0]));
+				}
+				if ($tempXml = $xml->xpath('//'.$prefix . 'Message')) {
+					$obsException-> setExceptionMessage(strval($tempXml[0]));
+				}
+				if ($tempXml = $xml->xpath('//'.$prefix . 'HostId')) {
+					$obsException -> setHostId(strval($tempXml[0]));
+				}
+			}
+		}finally{
+			$body -> close();
+		}
+	}
+	
+	private function parseXmlToModel($body, $model){
+		try{
+			$xmlErrorBody = trim($body -> getContents());
+			if($xmlErrorBody && ($xml = simplexml_load_string($xmlErrorBody))){
+				$prefix = $this->getXpathPrefix($xml);
+				if ($tempXml = $xml->xpath('//'.$prefix . 'Code')) {
+					$model['Code'] = strval($tempXml[0]);
+				}
+				if ($tempXml = $xml->xpath('//'.$prefix . 'RequestId')) {
+					$model['RequestId'] = strval($tempXml[0]);
+				}
+				
+				if ($tempXml = $xml->xpath('//'.$prefix . 'HostId')) {
+					$model['HostId'] = strval($tempXml[0]);
+				}
+				if ($tempXml = $xml->xpath('//'.$prefix . 'Resource')) {
+					$model['Resource'] = strval($tempXml[0]);
+				}
+				
+				if ($tempXml = $xml->xpath('//'.$prefix . 'Message')) {
+					$model['Message']  = strval($tempXml[0]);
+				}
+			}
+		}finally {
+			$body -> close();
+		}
+	}
+	
+	protected function parseResponse(Model $model, Request $request, Response $response, array $requestConfig)
+	{
+		$statusCode = $response -> getStatusCode();
+		$expectedLength = $response -> getHeaderLine('content-length');
+		$expectedLength = is_numeric($expectedLength) ? floatval($expectedLength) : null;
+		
+		$body = new CheckoutStream($response->getBody(), $expectedLength);
+		
+		if($statusCode >= 300){
+			if($this-> exceptionResponseMode){
+				$obsException= new ObsException();
+				$obsException-> setRequest($request);
+				$obsException-> setResponse($response);
+				$obsException-> setExceptionType($this->isClientError($response) ? 'client' : 'server');
+				$this->parseXmlToException($body, $obsException);
+				throw $obsException;
+			}else{
+				$this->parseCommonHeaders($model, $response);
+				$this->parseXmlToModel($body, $model);
+			}
+			
+		}else{
+			if(!empty($model)){
+				foreach ($model as $key => $value){
+					if($key === 'method'){
+						continue;
+					}
+					if(isset($value['type']) && $value['type'] === 'file'){
+					    $this->writeFile($value['value'], $body, $expectedLength);
+					}
+					$model[$key] = $value['value'];
+				}
+			}
+			
+			if(isset($requestConfig['responseParameters'])){
+				$responseParameters = $requestConfig['responseParameters'];
+				if(isset($responseParameters['type']) && $responseParameters['type'] === 'object'){
+					$responseParameters = $responseParameters['properties'];
+				}
+				$this->parseItems($responseParameters, $model, $response, $body);
+			}
+		}
+		
+		$model['HttpStatusCode'] = $statusCode;
+		$model['Reason'] = $response -> getReasonPhrase();
+	}
+	
+	protected function getXpathPrefix($xml)
+	{
+		$namespaces = $xml -> getDocNamespaces();
+		if (isset($namespaces[''])) {
+			$xml->registerXPathNamespace('ns', $namespaces['']);
+			$prefix = 'ns:';
+		} else {
+			$prefix = '';
+		}
+		return $prefix;
+	}
+	
+	protected function buildException(Request $request, RequestException $exception, $message)
+	{
+		$response = $exception-> hasResponse() ? $exception-> getResponse() : null;
+		$obsException= new ObsException($message ? $message : $exception-> getMessage());
+		$obsException-> setExceptionType('client');
+		$obsException-> setRequest($request);
+		if($response){
+			$obsException-> setResponse($response);
+			$obsException-> setExceptionType($this->isClientError($response) ? 'client' : 'server');
+			$this->parseXmlToException($response -> getBody(), $obsException);
+    		if ($obsException->getRequestId() === null) {
+    		    $prefix = strcasecmp($this->signature, 'obs' ) === 0 ? 'x-obs-' : 'x-amz-';
+    		    $requestId = $response->getHeaderLine($prefix . 'request-id');
+    		    $obsException->setRequestId($requestId); 
+    		}
+		}
+		return $obsException;
+	}
+	
+	protected function parseExceptionAsync(Request $request, RequestException $exception, $message=null)
+	{
+		return $this->buildException($request, $exception, $message);
+	}
+	
+	protected function parseException(Model $model, Request $request, RequestException $exception, $message=null)
+	{
+		$response = $exception-> hasResponse() ? $exception-> getResponse() : null;
+		
+		if($this-> exceptionResponseMode){
+			throw $this->buildException($request, $exception, $message);
+		}else{
+			if($response){
+				$model['HttpStatusCode'] = $response -> getStatusCode();
+				$model['Reason'] = $response -> getReasonPhrase();
+				$this->parseXmlToModel($response -> getBody(), $model);
+			}else{
+				$model['HttpStatusCode'] = -1;
+				$model['Message'] = $exception -> getMessage();
+			}
+		}
+	}
+}

addons/hwobs/library/Obs/Internal/Resource/Constants.php

@@ -0,0 +1,123 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Resource;
+
+class Constants {
+    const ALLOWED_RESOURCE_PARAMTER_NAMES = [ 
+            'acl',
+            'policy',
+            'torrent',
+            'logging',
+            'location',
+            'storageinfo',
+            'quota',
+            'storagepolicy',
+            'requestpayment',
+            'versions',
+            'versioning',
+            'versionid',
+            'uploads',
+            'uploadid',
+            'partnumber',
+            'website',
+            'notification',
+            'lifecycle',
+            'deletebucket',
+            'delete',
+            'cors',
+            'restore',
+            'tagging',
+            'response-content-type',
+            'response-content-language',
+            'response-expires',
+            'response-cache-control',
+            'response-content-disposition',
+            'response-content-encoding',
+            'x-image-process',
+
+            'backtosource',
+            'storageclass',
+            'replication',
+            'append',
+            'position',
+            'x-oss-process'
+    ];
+    const ALLOWED_REQUEST_HTTP_HEADER_METADATA_NAMES = [ 
+            'content-type',
+            'content-md5',
+            'content-length',
+            'content-language',
+            'expires',
+            'origin',
+            'cache-control',
+            'content-disposition',
+            'content-encoding',
+            'access-control-request-method',
+            'access-control-request-headers',
+            'x-default-storage-class',
+            'location',
+            'date',
+            'etag',
+            'range',
+            'host',
+            'if-modified-since',
+            'if-unmodified-since',
+            'if-match',
+            'if-none-match',
+            'last-modified',
+            'content-range',
+
+            'success-action-redirect'
+    ];
+    const ALLOWED_RESPONSE_HTTP_HEADER_METADATA_NAMES = [ 
+            'content-type',
+            'content-md5',
+            'content-length',
+            'content-language',
+            'expires',
+            'origin',
+            'cache-control',
+            'content-disposition',
+            'content-encoding',
+            'x-default-storage-class',
+            'location',
+            'date',
+            'etag',
+            'host',
+            'last-modified',
+            'content-range',
+            'x-reserved',
+            'access-control-allow-origin',
+            'access-control-allow-headers',
+            'access-control-max-age',
+            'access-control-allow-methods',
+            'access-control-expose-headers',
+            'connection'
+    ];
+    
+    public static function selectConstants($signature) {
+        $signature = (strcasecmp ( $signature, 'obs' ) === 0) ? 'OBS' : 'V2';
+        return __NAMESPACE__ . '\\' . $signature . 'Constants';
+    }
+    
+    public static function selectRequestResource($signature) {
+        $signature = (strcasecmp ( $signature, 'obs' ) === 0) ? 'OBS' : 'V2';
+        return (__NAMESPACE__ . '\\' . $signature . 'RequestResource');
+    }
+
+}

addons/hwobs/library/Obs/Internal/Resource/OBSConstants.php

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Resource;
+
+class OBSConstants extends Constants {
+    const FLAG = 'OBS';
+    const METADATA_PREFIX = 'x-obs-meta-';
+    const HEADER_PREFIX = 'x-obs-';
+    const ALTERNATIVE_DATE_HEADER = 'x-obs-date';
+    const SECURITY_TOKEN_HEAD = 'x-obs-security-token';
+    const TEMPURL_AK_HEAD = 'AccessKeyId';
+    
+    const COMMON_HEADERS = [
+        'content-length' => 'ContentLength',
+        'date' => 'Date',
+        'x-obs-request-id' => 'RequestId',
+        'x-obs-id-2' => 'Id2',
+        'x-reserved' => 'Reserved'
+    ];
+}

addons/hwobs/library/Obs/Internal/Resource/V2Constants.php

@@ -0,0 +1,38 @@
+<?php
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Resource;
+
+class V2Constants extends Constants {
+    const FLAG = 'AWS';
+    const METADATA_PREFIX = 'x-amz-meta-';
+    const HEADER_PREFIX = 'x-amz-';
+    const ALTERNATIVE_DATE_HEADER = 'x-amz-date';
+    const SECURITY_TOKEN_HEAD = 'x-amz-security-token';
+    const TEMPURL_AK_HEAD = 'AWSAccessKeyId';
+    
+    const GROUP_ALL_USERS_PREFIX = 'http://acs.amazonaws.com/groups/global/';
+    const GROUP_AUTHENTICATED_USERS_PREFIX = 'http://acs.amazonaws.com/groups/global/';
+    const GROUP_LOG_DELIVERY_PREFIX = 'http://acs.amazonaws.com/groups/s3/';
+    
+    const COMMON_HEADERS = [
+        'content-length' => 'ContentLength',
+        'date' => 'Date',
+        'x-amz-request-id' => 'RequestId',
+        'x-amz-id-2' => 'Id2',
+        'x-reserved' => 'Reserved'
+    ];
+}

addons/hwobs/library/Obs/Internal/SendRequestTrait.php

@@ -0,0 +1,718 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal;
+
+use GuzzleHttp\Psr7;
+use Obs\Log\ObsLog;
+use GuzzleHttp\Psr7\Request;
+use GuzzleHttp\Psr7\Response;
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Exception\ConnectException;
+use Obs\Internal\Common\Model;
+use Obs\Internal\Resource\V2Constants;
+use Obs\ObsException;
+use Obs\Internal\Signature\V4Signature;
+use Obs\Internal\Signature\DefaultSignature;
+use GuzzleHttp\Client;
+use Obs\Internal\Resource\Constants;
+use Psr\Http\Message\StreamInterface;
+use Obs\Internal\Resource\V2RequestResource;
+
+trait SendRequestTrait
+{
+	protected $ak;
+
+	protected $sk;
+
+	protected $securityToken = false;
+
+	protected $endpoint = '';
+
+	protected $pathStyle = false;
+
+	protected $region = 'region';
+
+	protected $signature = 'v2';
+
+	protected $sslVerify = false;
+
+	protected $maxRetryCount = 3;
+
+	protected $timeout = 0;
+
+	protected $socketTimeout = 60;
+
+	protected $connectTimeout = 60;
+
+	protected $isCname = false;
+
+	/** @var Client */
+	protected $httpClient;
+
+	public function createSignedUrl(array $args=[]){
+	    if (strcasecmp($this -> signature, 'v4') === 0) {
+	        return $this -> createV4SignedUrl($args);
+	    }
+	    return $this->createCommonSignedUrl($args, $this->signature);
+	}
+
+	public function createV2SignedUrl(array $args=[]) {
+	    return $this->createCommonSignedUrl($args, 'v2');
+	}
+
+	private function createCommonSignedUrl(array $args=[], $signature = '') {
+	    if(!isset($args['Method'])){
+	        $obsException = new ObsException('Method param must be specified, allowed values: GET | PUT | HEAD | POST | DELETE | OPTIONS');
+	        $obsException-> setExceptionType('client');
+	        throw $obsException;
+	    }
+	    $method = strval($args['Method']);
+	    $bucketName = isset($args['Bucket'])? strval($args['Bucket']): null;
+	    $objectKey =  isset($args['Key'])? strval($args['Key']): null;
+	    $specialParam = isset($args['SpecialParam'])? strval($args['SpecialParam']): null;
+	    $expires = isset($args['Expires']) && is_numeric($args['Expires']) ? intval($args['Expires']): 300;
+
+	    $headers = [];
+	    if(isset($args['Headers']) && is_array($args['Headers']) ){
+	        foreach ($args['Headers'] as $key => $val){
+	            if(is_string($key) && $key !== ''){
+	                $headers[$key] = $val;
+	            }
+	        }
+	    }
+
+
+
+	    $queryParams = [];
+	    if(isset($args['QueryParams']) && is_array($args['QueryParams']) ){
+	        foreach ($args['QueryParams'] as $key => $val){
+	            if(is_string($key) && $key !== ''){
+    	            $queryParams[$key] = $val;
+	            }
+	        }
+	    }
+
+	    $constants = Constants::selectConstants($signature);
+	    if($this->securityToken && !isset($queryParams[$constants::SECURITY_TOKEN_HEAD])){
+	        $queryParams[$constants::SECURITY_TOKEN_HEAD] = $this->securityToken;
+	    }
+
+	    $sign = new DefaultSignature($this->ak, $this->sk, $this->pathStyle, $this->endpoint, $method, $this->signature, $this->securityToken, $this->isCname);
+
+	    $url = parse_url($this->endpoint);
+	    $host = $url['host'];
+
+	    $result = '';
+
+	    if($bucketName){
+	        if($this-> pathStyle){
+	            $result = '/' . $bucketName;
+	        }else{
+	            $host = $this->isCname ? $host : $bucketName . '.' . $host;
+	        }
+	    }
+
+	    $headers['Host'] = $host;
+
+	    if($objectKey){
+	        $objectKey = $sign ->urlencodeWithSafe($objectKey);
+	        $result .= '/' . $objectKey;
+	    }
+
+	    $result .= '?';
+
+	    if($specialParam){
+	        $queryParams[$specialParam] = '';
+	    }
+
+	    $queryParams[$constants::TEMPURL_AK_HEAD] = $this->ak;
+
+
+	    if(!is_numeric($expires) || $expires < 0){
+	        $expires = 300;
+	    }
+	    $expires = intval($expires) + intval(microtime(true));
+
+	    $queryParams['Expires'] = strval($expires);
+
+	    $_queryParams = [];
+
+	    foreach ($queryParams as $key => $val){
+	        $key = $sign -> urlencodeWithSafe($key);
+	        $val = $sign -> urlencodeWithSafe($val);
+	        $_queryParams[$key] = $val;
+	        $result .= $key;
+	        if($val){
+	            $result .= '=' . $val;
+	        }
+	        $result .= '&';
+	    }
+
+	    $canonicalstring = $sign ->makeCanonicalstring($method, $headers, $_queryParams, $bucketName, $objectKey, $expires);
+	    $signatureContent = base64_encode(hash_hmac('sha1', $canonicalstring, $this->sk, true));
+
+	    $result .= 'Signature=' . $sign->urlencodeWithSafe($signatureContent);
+
+	    $model = new Model();
+	    $model['ActualSignedRequestHeaders'] = $headers;
+	    $model['SignedUrl'] = $url['scheme'] . '://' . $host . ':' . (isset($url['port']) ? $url['port'] : (strtolower($url['scheme']) === 'https' ? '443' : '80')) . $result;
+	    return $model;
+	}
+
+	public function createV4SignedUrl(array $args=[]){
+		if(!isset($args['Method'])){
+			$obsException= new ObsException('Method param must be specified, allowed values: GET | PUT | HEAD | POST | DELETE | OPTIONS');
+			$obsException-> setExceptionType('client');
+			throw $obsException;
+		}
+		$method = strval($args['Method']);
+		$bucketName = isset($args['Bucket'])? strval($args['Bucket']): null;
+		$objectKey =  isset($args['Key'])? strval($args['Key']): null;
+		$specialParam = isset($args['SpecialParam'])? strval($args['SpecialParam']): null;
+		$expires = isset($args['Expires']) && is_numeric($args['Expires']) ? intval($args['Expires']): 300;
+		$headers = [];
+		if(isset($args['Headers']) && is_array($args['Headers']) ){
+			foreach ($args['Headers'] as $key => $val){
+			    if(is_string($key) && $key !== ''){
+			        $headers[$key] = $val;
+			    }
+			}
+		}
+
+		$queryParams = [];
+		if(isset($args['QueryParams']) && is_array($args['QueryParams']) ){
+			foreach ($args['QueryParams'] as $key => $val){
+			    if(is_string($key) && $key !== ''){
+			        $queryParams[$key] = $val;
+			    }
+			}
+		}
+
+		if($this->securityToken && !isset($queryParams['x-amz-security-token'])){
+		    $queryParams['x-amz-security-token'] = $this->securityToken;
+		}
+
+		$v4 = new V4Signature($this->ak, $this->sk, $this->pathStyle, $this->endpoint, $this->region, $method, $this->signature, $this->securityToken, $this->isCname);
+
+		$url = parse_url($this->endpoint);
+		$host = $url['host'];
+
+		$result = '';
+
+		if($bucketName){
+			if($this-> pathStyle){
+				$result = '/' . $bucketName;
+			}else{
+				$host = $this->isCname ? $host : $bucketName . '.' . $host;
+			}
+		}
+
+        $headers['Host'] = $host;
+
+		if($objectKey){
+			$objectKey = $v4 -> urlencodeWithSafe($objectKey);
+			$result .= '/' . $objectKey;
+		}
+
+		$result .= '?';
+
+		if($specialParam){
+			$queryParams[$specialParam] = '';
+		}
+
+		if(!is_numeric($expires) || $expires < 0){
+			$expires = 300;
+		}
+
+		$expires = strval($expires);
+
+		$date = isset($headers['date']) ? $headers['date'] : (isset($headers['Date']) ? $headers['Date'] : null);
+
+		$timestamp = $date ? date_create_from_format('D, d M Y H:i:s \G\M\T', $date, new \DateTimeZone ('UTC')) -> getTimestamp()
+			:time();
+
+		$longDate = gmdate('Ymd\THis\Z', $timestamp);
+		$shortDate = substr($longDate, 0, 8);
+
+		$headers['host'] = $host;
+		if(isset($url['port'])){
+		    $port = $url['port'];
+		    if($port !== 443 && $port !== 80){
+		        $headers['host'] = $headers['host'] . ':' . $port;
+		    }
+		}
+
+		$signedHeaders = $v4 -> getSignedHeaders($headers);
+
+		$queryParams['X-Amz-Algorithm'] = 'AWS4-HMAC-SHA256';
+		$queryParams['X-Amz-Credential'] = $v4 -> getCredential($shortDate);
+		$queryParams['X-Amz-Date'] = $longDate;
+		$queryParams['X-Amz-Expires'] = $expires;
+		$queryParams['X-Amz-SignedHeaders'] = $signedHeaders;
+
+		$_queryParams = [];
+
+		foreach ($queryParams as $key => $val){
+			$key = rawurlencode($key);
+			$val = rawurlencode($val);
+			$_queryParams[$key] = $val;
+			$result .= $key;
+			if($val){
+				$result .= '=' . $val;
+			}
+			$result .= '&';
+		}
+
+		$canonicalstring = $v4 -> makeCanonicalstring($method, $headers, $_queryParams, $bucketName, $objectKey, $signedHeaders, 'UNSIGNED-PAYLOAD');
+
+		$signatureContent = $v4 -> getSignature($canonicalstring, $longDate, $shortDate);
+
+		$result .= 'X-Amz-Signature=' . $v4 -> urlencodeWithSafe($signatureContent);
+
+		$model = new Model();
+		$model['ActualSignedRequestHeaders'] = $headers;
+		$model['SignedUrl'] = $url['scheme'] . '://' . $host . ':' . (isset($url['port']) ? $url['port'] : (strtolower($url['scheme']) === 'https' ? '443' : '80')) . $result;
+		return $model;
+	}
+
+	public function createPostSignature(array $args=[]) {
+	    if (strcasecmp($this -> signature, 'v4') === 0) {
+	        return $this -> createV4PostSignature($args);
+	    }
+
+	    $bucketName = isset($args['Bucket'])? strval($args['Bucket']): null;
+	    $objectKey =  isset($args['Key'])? strval($args['Key']): null;
+	    $expires = isset($args['Expires']) && is_numeric($args['Expires']) ? intval($args['Expires']): 300;
+
+	    $formParams = [];
+
+	    if(isset($args['FormParams']) && is_array($args['FormParams'])){
+	        foreach ($args['FormParams'] as $key => $val){
+	            $formParams[$key] = $val;
+	        }
+	    }
+
+	    $constants = Constants::selectConstants($this -> signature);
+	    if($this->securityToken && !isset($formParams[$constants::SECURITY_TOKEN_HEAD])){
+	        $formParams[$constants::SECURITY_TOKEN_HEAD] = $this->securityToken;
+	    }
+
+	    $timestamp = time();
+	    $expires = gmdate('Y-m-d\TH:i:s\Z', $timestamp + $expires);
+
+	    if($bucketName){
+	        $formParams['bucket'] = $bucketName;
+	    }
+
+	    if($objectKey){
+	        $formParams['key'] = $objectKey;
+	    }
+
+	    $policy = [];
+
+	    $policy[] = '{"expiration":"';
+	    $policy[] = $expires;
+	    $policy[] = '", "conditions":[';
+
+	    $matchAnyBucket = true;
+	    $matchAnyKey = true;
+
+	    $conditionAllowKeys = ['acl', 'bucket', 'key', 'success_action_redirect', 'redirect', 'success_action_status'];
+
+	    foreach($formParams as $key => $val){
+	        if($key){
+	            $key = strtolower(strval($key));
+
+	            if($key === 'bucket'){
+	                $matchAnyBucket = false;
+	            }else if($key === 'key'){
+	                $matchAnyKey = false;
+	            }
+
+	            if(!in_array($key, Constants::ALLOWED_REQUEST_HTTP_HEADER_METADATA_NAMES) && strpos($key, $constants::HEADER_PREFIX) !== 0 && !in_array($key, $conditionAllowKeys)){
+	                $key = $constants::METADATA_PREFIX . $key;
+	            }
+
+	            $policy[] = '{"';
+	            $policy[] = $key;
+	            $policy[] = '":"';
+	            $policy[] = $val !== null ? strval($val) : '';
+	            $policy[] = '"},';
+	        }
+	    }
+
+	    if($matchAnyBucket){
+	        $policy[] = '["starts-with", "$bucket", ""],';
+	    }
+
+	    if($matchAnyKey){
+	        $policy[] = '["starts-with", "$key", ""],';
+	    }
+
+	    $policy[] = ']}';
+
+	    $originPolicy = implode('', $policy);
+
+	    $policy = base64_encode($originPolicy);
+
+	    $signatureContent = base64_encode(hash_hmac('sha1', $policy, $this->sk, true));
+
+	    $model = new Model();
+	    $model['OriginPolicy'] = $originPolicy;
+	    $model['Policy'] = $policy;
+	    $model['Signature'] = $signatureContent;
+	    return $model;
+	}
+
+	public function createV4PostSignature(array $args=[]){
+		$bucketName = isset($args['Bucket'])? strval($args['Bucket']): null;
+		$objectKey =  isset($args['Key'])? strval($args['Key']): null;
+		$expires = isset($args['Expires']) && is_numeric($args['Expires']) ? intval($args['Expires']): 300;
+
+		$formParams = [];
+
+		if(isset($args['FormParams']) && is_array($args['FormParams'])){
+			foreach ($args['FormParams'] as $key => $val){
+				$formParams[$key] = $val;
+			}
+		}
+
+		if($this->securityToken && !isset($formParams['x-amz-security-token'])){
+		    $formParams['x-amz-security-token'] = $this->securityToken;
+		}
+
+		$timestamp = time();
+		$longDate = gmdate('Ymd\THis\Z', $timestamp);
+		$shortDate = substr($longDate, 0, 8);
+
+		$credential = sprintf('%s/%s/%s/s3/aws4_request', $this->ak, $shortDate, $this->region);
+
+		$expires = gmdate('Y-m-d\TH:i:s\Z', $timestamp + $expires);
+
+		$formParams['X-Amz-Algorithm'] = 'AWS4-HMAC-SHA256';
+		$formParams['X-Amz-Date'] = $longDate;
+		$formParams['X-Amz-Credential'] = $credential;
+
+		if($bucketName){
+			$formParams['bucket'] = $bucketName;
+		}
+
+		if($objectKey){
+			$formParams['key'] = $objectKey;
+		}
+
+		$policy = [];
+
+		$policy[] = '{"expiration":"';
+		$policy[] = $expires;
+		$policy[] = '", "conditions":[';
+
+		$matchAnyBucket = true;
+		$matchAnyKey = true;
+
+		$conditionAllowKeys = ['acl', 'bucket', 'key', 'success_action_redirect', 'redirect', 'success_action_status'];
+
+		foreach($formParams as $key => $val){
+			if($key){
+				$key = strtolower(strval($key));
+
+				if($key === 'bucket'){
+					$matchAnyBucket = false;
+				}else if($key === 'key'){
+					$matchAnyKey = false;
+				}
+
+				if(!in_array($key, Constants::ALLOWED_REQUEST_HTTP_HEADER_METADATA_NAMES) && strpos($key, V2Constants::HEADER_PREFIX) !== 0 && !in_array($key, $conditionAllowKeys)){
+					$key = V2Constants::METADATA_PREFIX . $key;
+				}
+
+				$policy[] = '{"';
+				$policy[] = $key;
+				$policy[] = '":"';
+				$policy[] = $val !== null ? strval($val) : '';
+				$policy[] = '"},';
+			}
+		}
+
+		if($matchAnyBucket){
+			$policy[] = '["starts-with", "$bucket", ""],';
+		}
+
+		if($matchAnyKey){
+			$policy[] = '["starts-with", "$key", ""],';
+		}
+
+		$policy[] = ']}';
+
+		$originPolicy = implode('', $policy);
+
+		$policy = base64_encode($originPolicy);
+
+		$dateKey = hash_hmac('sha256', $shortDate, 'AWS4' . $this -> sk, true);
+		$regionKey = hash_hmac('sha256', $this->region, $dateKey, true);
+		$serviceKey = hash_hmac('sha256', 's3', $regionKey, true);
+		$signingKey = hash_hmac('sha256', 'aws4_request', $serviceKey, true);
+		$signatureContent = hash_hmac('sha256', $policy, $signingKey);
+
+		$model = new Model();
+		$model['OriginPolicy'] = $originPolicy;
+		$model['Policy'] = $policy;
+		$model['Algorithm'] = $formParams['X-Amz-Algorithm'];
+		$model['Credential'] = $formParams['X-Amz-Credential'];
+		$model['Date'] = $formParams['X-Amz-Date'];
+		$model['Signature'] = $signatureContent;
+		return $model;
+	}
+
+	public function __call($originMethod, $args)
+	{
+		$method = $originMethod;
+
+		$contents = Constants::selectRequestResource($this->signature);
+		$resource = &$contents::$RESOURCE_ARRAY;
+		$async = false;
+		if(strpos($method, 'Async') === (strlen($method) - 5)){
+			$method = substr($method, 0, strlen($method) - 5);
+			$async = true;
+		}
+
+		if(isset($resource['aliases'][$method])){
+		    $method = $resource['aliases'][$method];
+		}
+
+		$method = lcfirst($method);
+
+
+		$operation = isset($resource['operations'][$method]) ?
+			$resource['operations'][$method] : null;
+
+		if(!$operation){
+			ObsLog::commonLog(WARNING, 'unknow method ' . $originMethod);
+			$obsException= new ObsException('unknow method '. $originMethod);
+			$obsException-> setExceptionType('client');
+			throw $obsException;
+		}
+
+		$start = microtime(true);
+		if(!$async){
+			ObsLog::commonLog(INFO, 'enter method '. $originMethod. '...');
+			$model = new Model();
+			$model['method'] = $method;
+			$params = empty($args) ? [] : $args[0];
+			$this->checkMimeType($method, $params);
+			$this->doRequest($model, $operation, $params);
+			ObsLog::commonLog(INFO, 'obsclient cost ' . round(microtime(true) - $start, 3) * 1000 . ' ms to execute '. $originMethod);
+			unset($model['method']);
+			return $model;
+		}else{
+			if(empty($args) || !(is_callable($callback = $args[count($args) -1]))){
+				ObsLog::commonLog(WARNING, 'async method ' . $originMethod . ' must pass a CallbackInterface as param');
+				$obsException= new ObsException('async method ' . $originMethod . ' must pass a CallbackInterface as param');
+				$obsException-> setExceptionType('client');
+				throw $obsException;
+			}
+			ObsLog::commonLog(INFO, 'enter method '. $originMethod. '...');
+			$params = count($args) === 1 ? [] : $args[0];
+			$this->checkMimeType($method, $params);
+			$model = new Model();
+			$model['method'] = $method;
+			return $this->doRequestAsync($model, $operation, $params, $callback, $start, $originMethod);
+		}
+	}
+
+	private function checkMimeType($method, &$params){
+		// fix bug that guzzlehttp lib will add the content-type if not set
+		if(($method === 'putObject' || $method === 'initiateMultipartUpload' || $method === 'uploadPart') && (!isset($params['ContentType']) || $params['ContentType'] === null)){
+			if(isset($params['Key'])){
+				$params['ContentType'] = \GuzzleHttp\Psr7\MimeType::fromFilename($params['Key']);
+			}
+
+			if((!isset($params['ContentType']) || $params['ContentType'] === null) && isset($params['SourceFile'])){
+				$params['ContentType'] = \GuzzleHttp\Psr7\MimeType::fromFilename($params['SourceFile']);
+			}
+
+			if(!isset($params['ContentType']) || $params['ContentType'] === null){
+				$params['ContentType'] = 'binary/octet-stream';
+			}
+		}
+	}
+
+	protected function makeRequest($model, &$operation, $params, $endpoint = null)
+	{
+		if($endpoint === null){
+			$endpoint = $this->endpoint;
+		}
+		$signatureInterface = strcasecmp($this-> signature, 'v4') === 0 ?
+		new V4Signature($this->ak, $this->sk, $this->pathStyle, $endpoint, $this->region, $model['method'], $this->signature, $this->securityToken, $this->isCname) :
+		new DefaultSignature($this->ak, $this->sk, $this->pathStyle, $endpoint, $model['method'], $this->signature, $this->securityToken, $this->isCname);
+		$authResult = $signatureInterface -> doAuth($operation, $params, $model);
+		$httpMethod = $authResult['method'];
+		ObsLog::commonLog(DEBUG, 'perform '. strtolower($httpMethod) . ' request with url ' . $authResult['requestUrl']);
+		ObsLog::commonLog(DEBUG, 'cannonicalRequest:' . $authResult['cannonicalRequest']);
+		ObsLog::commonLog(DEBUG, 'request headers ' . var_export($authResult['headers'],true));
+		$authResult['headers']['User-Agent'] = self::default_user_agent();
+		if($model['method'] === 'putObject'){
+			$model['ObjectURL'] = ['value' => $authResult['requestUrl']];
+		}
+		return new Request($httpMethod, $authResult['requestUrl'], $authResult['headers'], $authResult['body']);
+	}
+
+
+	protected function doRequest($model, &$operation, $params, $endpoint = null)
+	{
+		$request = $this -> makeRequest($model, $operation, $params, $endpoint);
+		$this->sendRequest($model, $operation, $params, $request);
+	}
+
+	protected function sendRequest($model, &$operation, $params, $request, $requestCount = 1)
+	{
+		$start = microtime(true);
+		$saveAsStream = false;
+		if(isset($operation['stream']) && $operation['stream']){
+			$saveAsStream = isset($params['SaveAsStream']) ? $params['SaveAsStream'] : false;
+
+			if(isset($params['SaveAsFile'])){
+				if($saveAsStream){
+					$obsException = new ObsException('SaveAsStream cannot be used with SaveAsFile together');
+					$obsException-> setExceptionType('client');
+					throw $obsException;
+				}
+				$saveAsStream = true;
+			}
+			if(isset($params['FilePath'])){
+				if($saveAsStream){
+					$obsException = new ObsException('SaveAsStream cannot be used with FilePath together');
+					$obsException-> setExceptionType('client');
+					throw $obsException;
+				}
+				$saveAsStream = true;
+			}
+
+			if(isset($params['SaveAsFile']) && isset($params['FilePath'])){
+				$obsException = new ObsException('SaveAsFile cannot be used with FilePath together');
+				$obsException-> setExceptionType('client');
+				throw $obsException;
+			}
+		}
+
+		$promise = $this->httpClient->sendAsync($request, ['stream' => $saveAsStream])->then(
+		    function(Response $response) use ($model, $operation, $params, $request, $requestCount, $start){
+
+					ObsLog::commonLog(INFO, 'http request cost ' . round(microtime(true) - $start, 3) * 1000 . ' ms');
+					$statusCode = $response -> getStatusCode();
+					$readable = isset($params['Body']) && ($params['Body'] instanceof StreamInterface || is_resource($params['Body']));
+					if($statusCode >= 300 && $statusCode <400 && $statusCode !== 304 && !$readable && $requestCount <= $this->maxRetryCount){
+						if($location = $response -> getHeaderLine('location')){
+							$url = parse_url($this->endpoint);
+							$newUrl = parse_url($location);
+							$scheme = (isset($newUrl['scheme']) ? $newUrl['scheme'] : $url['scheme']);
+							$defaultPort = strtolower($scheme) === 'https' ? '443' : '80';
+							$this->doRequest($model, $operation, $params, $scheme. '://' . $newUrl['host'] .
+									':' . (isset($newUrl['port']) ? $newUrl['port'] : $defaultPort));
+							return;
+						}
+					}
+					$this -> parseResponse($model, $request, $response, $operation);
+				},
+				function ($exception) use ($model, $operation, $params, $request, $requestCount, $start) {
+
+					ObsLog::commonLog(INFO, 'http request cost ' . round(microtime(true) - $start, 3) * 1000 . ' ms');
+					$message = null;
+					if($exception instanceof ConnectException){
+						if($requestCount <= $this->maxRetryCount){
+							$this -> sendRequest($model, $operation, $params, $request, $requestCount + 1);
+							return;
+						}else{
+							$message = 'Exceeded retry limitation, max retry count:'. $this->maxRetryCount . ', error message:' . $exception -> getMessage();
+						}
+					}
+					$this -> parseException($model, $request, $exception, $message);
+				});
+		$promise -> wait();
+	}
+
+
+	protected function doRequestAsync($model, &$operation, $params, $callback, $startAsync, $originMethod, $endpoint = null){
+		$request = $this -> makeRequest($model, $operation, $params, $endpoint);
+		return $this->sendRequestAsync($model, $operation, $params, $callback, $startAsync, $originMethod, $request);
+	}
+
+	protected function sendRequestAsync($model, &$operation, $params, $callback, $startAsync, $originMethod, $request, $requestCount = 1)
+	{
+		$start = microtime(true);
+
+		$saveAsStream = false;
+		if(isset($operation['stream']) && $operation['stream']){
+			$saveAsStream = isset($params['SaveAsStream']) ? $params['SaveAsStream'] : false;
+
+			if($saveAsStream){
+				if(isset($params['SaveAsFile'])){
+					$obsException = new ObsException('SaveAsStream cannot be used with SaveAsFile together');
+					$obsException-> setExceptionType('client');
+					throw $obsException;
+				}
+				if(isset($params['FilePath'])){
+					$obsException = new ObsException('SaveAsStream cannot be used with FilePath together');
+					$obsException-> setExceptionType('client');
+					throw $obsException;
+				}
+			}
+
+			if(isset($params['SaveAsFile']) && isset($params['FilePath'])){
+				$obsException = new ObsException('SaveAsFile cannot be used with FilePath together');
+				$obsException-> setExceptionType('client');
+				throw $obsException;
+			}
+		}
+		return $this->httpClient->sendAsync($request, ['stream' => $saveAsStream])->then(
+				function(Response $response) use ($model, $operation, $params, $callback, $startAsync, $originMethod, $request, $start){
+					ObsLog::commonLog(INFO, 'http request cost ' . round(microtime(true) - $start, 3) * 1000 . ' ms');
+					$statusCode = $response -> getStatusCode();
+					$readable = isset($params['Body']) && ($params['Body'] instanceof StreamInterface || is_resource($params['Body']));
+					if($statusCode === 307 && !$readable){
+						if($location = $response -> getHeaderLine('location')){
+							$url = parse_url($this->endpoint);
+							$newUrl = parse_url($location);
+							$scheme = (isset($newUrl['scheme']) ? $newUrl['scheme'] : $url['scheme']);
+							$defaultPort = strtolower($scheme) === 'https' ? '443' : '80';
+							return $this->doRequestAsync($model, $operation, $params, $callback, $startAsync, $originMethod, $scheme. '://' . $newUrl['host'] .
+									':' . (isset($newUrl['port']) ? $newUrl['port'] : $defaultPort));
+						}
+					}
+					$this -> parseResponse($model, $request, $response, $operation);
+					ObsLog::commonLog(INFO, 'obsclient cost ' . round(microtime(true) - $startAsync, 3) * 1000 . ' ms to execute '. $originMethod);
+					unset($model['method']);
+					$callback(null, $model);
+				},
+				function ($exception) use ($model, $operation, $params, $callback, $startAsync, $originMethod, $request, $start, $requestCount){
+					ObsLog::commonLog(INFO, 'http request cost ' . round(microtime(true) - $start, 3) * 1000 . ' ms');
+					$message = null;
+					if($exception instanceof ConnectException){
+						if($requestCount <= $this->maxRetryCount){
+							return $this -> sendRequestAsync($model, $operation, $params, $callback, $startAsync, $originMethod, $request, $requestCount + 1);
+						}else{
+							$message = 'Exceeded retry limitation, max retry count:'. $this->maxRetryCount . ', error message:' . $exception -> getMessage();
+						}
+					}
+					$obsException = $this -> parseExceptionAsync($request, $exception, $message);
+					ObsLog::commonLog(INFO, 'obsclient cost ' . round(microtime(true) - $startAsync, 3) * 1000 . ' ms to execute '. $originMethod);
+					$callback($obsException, null);
+				}
+		);
+	}
+}

addons/hwobs/library/Obs/Internal/Signature/AbstractSignature.php

@@ -0,0 +1,462 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Signature;
+
+use Obs\Log\ObsLog;
+use Obs\Internal\Resource\Constants;
+use Obs\ObsException;
+use Obs\Internal\Common\SchemaFormatter;
+use GuzzleHttp\Psr7\Stream;
+use Obs\Internal\Common\Model;
+use Psr\Http\Message\StreamInterface;
+use Obs\Internal\Common\ObsTransform;
+use Obs\Internal\Common\V2Transform;
+
+abstract class AbstractSignature implements SignatureInterface
+{
+	
+	protected $ak;
+	
+	protected $sk;
+	
+	protected $pathStyle;
+	
+	protected $endpoint;
+	
+	protected $methodName;
+	
+	protected $securityToken;
+	
+	protected $signature;
+
+	protected $isCname;
+	
+	public static function urlencodeWithSafe($val, $safe='/'){
+		if(($len = strlen($val)) === 0){
+			return '';
+		}
+		$buffer = [];
+		for ($index=0;$index<$len;$index++){
+			$str = $val[$index];		
+			$buffer[] = !($pos = strpos($safe, $str)) && $pos !== 0 ? rawurlencode($str) : $str;
+		}
+		return implode('', $buffer);
+	}
+	
+	protected function __construct($ak, $sk, $pathStyle, $endpoint, $methodName, $signature, $securityToken=false, $isCname=false)
+	{
+		$this -> ak = $ak;
+		$this -> sk = $sk;
+		$this -> pathStyle = $pathStyle;
+		$this -> endpoint = $endpoint;
+		$this -> methodName = $methodName;
+		$this -> signature = $signature;
+		$this -> securityToken = $securityToken;
+		$this -> isCname = $isCname;
+	}
+	
+	protected function transXmlByType($key, &$value, &$subParams, $transHolder)
+	{
+		$xml = [];
+		$treatAsString = false;
+		if(isset($value['type'])){
+			$type = $value['type'];
+			if($type === 'array'){
+				$name = isset($value['sentAs']) ? $value['sentAs'] : $key;
+				$subXml = [];
+				foreach($subParams as $item){
+				    $temp = $this->transXmlByType($key, $value['items'], $item, $transHolder);
+					if($temp !== ''){
+						$subXml[] = $temp;
+					}
+				}
+				if(!empty($subXml)){
+				    if(!isset($value['data']['xmlFlattened'])){
+						$xml[] = '<' . $name . '>';
+						$xml[] = implode('', $subXml);
+						$xml[] = '</' . $name . '>';
+					}else{
+						$xml[] = implode('', $subXml);
+					}
+				}
+			}else if($type === 'object'){
+				$name = isset($value['sentAs']) ? $value['sentAs'] : (isset($value['name']) ? $value['name'] : $key);
+				$properties = $value['properties'];
+				$subXml = [];
+				$attr = [];
+				foreach ($properties as $pkey => $pvalue){
+					if(isset($pvalue['required']) && $pvalue['required'] && !isset($subParams[$pkey])){
+						$obsException= new ObsException('param:' .$pkey. ' is required');
+						$obsException-> setExceptionType('client');
+						throw $obsException;
+					}
+					if(isset($subParams[$pkey])){
+						if(isset($pvalue['data']) && isset($pvalue['data']['xmlAttribute']) && $pvalue['data']['xmlAttribute']){
+						    $attrValue = $this->xml_tansfer(trim(strval($subParams[$pkey])));
+						    $attr[$pvalue['sentAs']] = '"' . $attrValue . '"';
+							if(isset($pvalue['data']['xmlNamespace'])){
+								$ns = substr($pvalue['sentAs'], 0, strpos($pvalue['sentAs'], ':'));
+								$attr['xmlns:' . $ns] = '"' . $pvalue['data']['xmlNamespace'] . '"';
+							}
+						}else{
+						    $subXml[] = $this -> transXmlByType($pkey, $pvalue, $subParams[$pkey], $transHolder);
+						}
+					}
+				}
+				$val = implode('', $subXml);
+				if($val !== ''){
+					$_name = $name;
+					if(!empty($attr)){
+						foreach ($attr as $akey => $avalue){
+							$_name .= ' ' . $akey . '=' . $avalue;
+						}
+					}
+					if(!isset($value['data']['xmlFlattened'])){ 
+					    $xml[] = '<' . $_name . '>';
+					    $xml[] = $val;
+					    $xml[] = '</' . $name . '>';
+					} else {
+					    $xml[] = $val;
+					}
+				}
+			}else{
+				$treatAsString = true;
+			}
+		}else{
+			$treatAsString = true;
+			$type = null;
+		}
+		
+		if($treatAsString){
+			if($type === 'boolean'){
+				if(!is_bool($subParams) && strval($subParams) !== 'false' && strval($subParams) !== 'true'){
+					$obsException= new ObsException('param:' .$key. ' is not a boolean value');
+					$obsException-> setExceptionType('client');
+					throw $obsException;
+				}
+			}else if($type === 'numeric'){
+				if(!is_numeric($subParams)){
+					$obsException= new ObsException('param:' .$key. ' is not a numeric value');
+					$obsException-> setExceptionType('client');
+					throw $obsException;
+				}
+			}else if($type === 'float'){
+				if(!is_float($subParams)){
+					$obsException= new ObsException('param:' .$key. ' is not a float value');
+					$obsException-> setExceptionType('client');
+					throw $obsException;
+				}
+			}else if($type === 'int' || $type === 'integer'){
+				if(!is_int($subParams)){
+					$obsException= new ObsException('param:' .$key. ' is not a int value');
+					$obsException-> setExceptionType('client');
+					throw $obsException;
+				}
+			}
+			
+			$name = isset($value['sentAs']) ? $value['sentAs'] : $key;
+			if(is_bool($subParams)){
+				$val = 	$subParams ? 'true' : 'false';
+			}else{
+				$val = strval($subParams);
+			}
+			if(isset($value['format'])){
+				$val = SchemaFormatter::format($value['format'], $val);
+			}
+			if (isset($value['transform'])) {
+			    $val = $transHolder->transform($value['transform'], $val);
+			}			
+			if(isset($val) && $val !== ''){
+			    $val = $this->xml_tansfer($val);
+			    if(!isset($value['data']['xmlFlattened'])){
+			        $xml[] = '<' . $name . '>';
+			        $xml[] = $val;
+			        $xml[] = '</' . $name . '>';
+			    } else {
+			        $xml[] = $val;
+			    }			    
+			}else if(isset($value['canEmpty']) && $value['canEmpty']){
+			    $xml[] = '<' . $name . '>';
+			    $xml[] = $val;
+			    $xml[] = '</' . $name . '>';
+			}
+		}
+		$ret = implode('', $xml);
+		
+		if(isset($value['wrapper'])){
+		    $ret = '<'. $value['wrapper'] . '>' . $ret . '</'. $value['wrapper'] . '>';
+		}
+		
+		return $ret;
+	}
+	
+	private function xml_tansfer($tag) {
+	    $search = array('&', '<', '>', '\'', '"');
+	    $repalce = array('&amp;', '&lt;', '&gt;', '&apos;', '&quot;');
+	    $transferXml = str_replace($search, $repalce, $tag);
+	    return $transferXml;
+	}
+	
+	protected function prepareAuth(array &$requestConfig, array &$params, Model $model)
+	{
+	    $transHolder = strcasecmp($this-> signature, 'obs') === 0 ? ObsTransform::getInstance() : V2Transform::getInstance();
+		$method = $requestConfig['httpMethod'];
+		$requestUrl = $this->endpoint;
+		$headers = [];
+		$pathArgs = [];
+		$dnsParam = null;
+		$uriParam = null;
+		$body = [];
+		$xml = [];
+		
+		if(isset($requestConfig['specialParam'])){
+			$pathArgs[$requestConfig['specialParam']] = '';
+		}
+		
+		$result = ['body' => null];
+		$url = parse_url($requestUrl);
+		$host = $url['host'];
+		
+		$fileFlag = false;
+		
+		if(isset($requestConfig['requestParameters'])){
+			$paramsMetadata = $requestConfig['requestParameters'];
+			foreach ($paramsMetadata as $key => $value){
+				if(isset($value['required']) && $value['required'] && !isset($params[$key])){
+					$obsException= new ObsException('param:' .$key. ' is required');
+					$obsException-> setExceptionType('client');
+					throw $obsException;
+				}
+				if(isset($params[$key]) && isset($value['location'])){
+					$location = $value['location'];
+					$val = $params[$key];
+					$type = 'string';
+					if($val !== '' && isset($value['type'])){
+						$type = $value['type'];
+						if($type === 'boolean'){
+							if(!is_bool($val) && strval($val) !== 'false' && strval($val) !== 'true'){
+								$obsException= new ObsException('param:' .$key. ' is not a boolean value');
+								$obsException-> setExceptionType('client');
+								throw $obsException;
+							}
+						}else if($type === 'numeric'){
+							if(!is_numeric($val)){
+								$obsException= new ObsException('param:' .$key. ' is not a numeric value');
+								$obsException-> setExceptionType('client');
+								throw $obsException;
+							}
+						}else if($type === 'float'){
+							if(!is_float($val)){
+								$obsException= new ObsException('param:' .$key. ' is not a float value');
+								$obsException-> setExceptionType('client');
+								throw $obsException;
+							}
+						}else if($type === 'int' || $type === 'integer'){
+							if(!is_int($val)){
+								$obsException= new ObsException('param:' .$key. ' is not a int value');
+								$obsException-> setExceptionType('client');
+								throw $obsException;
+							}
+						}
+					}
+					
+					if($location === 'header'){
+						if($type === 'object'){
+							if(is_array($val)){
+								$sentAs = strtolower($value['sentAs']);
+								foreach ($val as $k => $v){
+									$k = self::urlencodeWithSafe(strtolower($k), ' ;/?:@&=+$,');
+									$name = strpos($k, $sentAs) === 0 ? $k : $sentAs . $k;
+									$headers[$name] = self::urlencodeWithSafe($v, ' ;/?:@&=+$,\'*');
+								}
+							}
+						}else if($type === 'array'){
+							if(is_array($val)){
+								$name = isset($value['sentAs']) ? $value['sentAs'] : (isset($value['items']['sentAs']) ? $value['items']['sentAs'] : $key);
+								$temp = [];
+								foreach ($val as $v){
+									if(($v = strval($v)) !== ''){
+									    $temp[] = self::urlencodeWithSafe($val, ' ;/?:@&=+$,\'*');
+									}
+								}
+
+								$headers[$name] = $temp;
+							}
+						}else if($type === 'password'){
+							if(($val = strval($val)) !== ''){
+								$name = isset($value['sentAs']) ? $value['sentAs'] : $key;
+								$pwdName = isset($value['pwdSentAs']) ? $value['pwdSentAs'] : $name . '-MD5';
+								$val1 = base64_encode($val);
+								$val2 = base64_encode(md5($val, true));
+								$headers[$name] = $val1;
+								$headers[$pwdName] = $val2;
+							}
+						}else{
+						    if (isset($value['transform'])) {
+						        $val = $transHolder->transform($value['transform'], strval($val));
+						    }
+							if(isset($val)){ 
+							    if(is_bool($val)){
+							        $val = $val ? 'true' : 'false';
+							    }else{
+							        $val = strval($val);
+							    }
+							    if($val !== ''){
+    								$name = isset($value['sentAs']) ? $value['sentAs'] : $key;
+    								if(isset($value['format'])){
+    									$val = SchemaFormatter::format($value['format'], $val);
+    								}
+    								$headers[$name] = self::urlencodeWithSafe($val, ' ;/?:@&=+$,\'*');
+							    }
+							}
+						}
+					}else if($location === 'uri' && $uriParam === null){
+						$uriParam = self::urlencodeWithSafe($val);
+					}else if($location === 'dns' && $dnsParam === null){
+						$dnsParam = $val;
+					}else if($location === 'query'){
+						$name = isset($value['sentAs']) ? $value['sentAs'] : $key;
+						if(strval($val) !== ''){
+						    if (strcasecmp ( $this->signature, 'v4' ) === 0) {
+						        $pathArgs[rawurlencode($name)] = rawurlencode(strval($val));
+						    } else {
+						        $pathArgs[self::urlencodeWithSafe($name)] = self::urlencodeWithSafe(strval($val));
+						    }
+						}
+					}else if($location === 'xml'){
+					    $val = $this->transXmlByType($key, $value, $val, $transHolder);
+						if($val !== ''){
+							$xml[] = $val;
+						}
+					}else if($location === 'body'){
+						
+						if(isset($result['body'])){
+							$obsException= new ObsException('duplicated body provided');
+							$obsException-> setExceptionType('client');
+							throw $obsException;
+						}
+						
+						if($type === 'file'){
+							if(!file_exists($val)){
+								$obsException= new ObsException('file[' .$val. '] does not exist');
+								$obsException-> setExceptionType('client');
+								throw $obsException;
+							}
+							$result['body'] = new Stream(fopen($val, 'r'));
+							$fileFlag = true;
+						}else if($type === 'stream'){
+							$result['body'] = $val;
+						}else{
+							$result['body'] = strval($val);
+						}
+					}else if($location === 'response'){
+						$model[$key] = ['value' => $val, 'type' => $type];
+					}
+				}
+			}
+			
+			
+			if($dnsParam){
+				if($this -> pathStyle){
+					$requestUrl = $requestUrl . '/' .  $dnsParam;
+				}else{
+					$defaultPort = strtolower($url['scheme']) === 'https' ? '443' : '80';
+					$host = $this -> isCname ? $host : $dnsParam. '.' . $host;
+					$requestUrl = $url['scheme'] . '://' . $host . ':' . (isset($url['port']) ? $url['port'] : $defaultPort);
+				}
+			}
+			if($uriParam){
+				$requestUrl = $requestUrl . '/' . $uriParam;
+			}
+			
+			if(!empty($pathArgs)){
+				$requestUrl .= '?';
+				$_pathArgs = [];
+				foreach ($pathArgs as $key => $value){
+					$_pathArgs[] = $value === null || $value === '' ? $key : $key . '=' . $value;
+				}
+				$requestUrl .= implode('&', $_pathArgs);
+			}
+		}
+		
+		if($xml || (isset($requestConfig['data']['xmlAllowEmpty']) && $requestConfig['data']['xmlAllowEmpty'])){
+			$body[] = '<';
+			$xmlRoot = $requestConfig['data']['xmlRoot']['name'];
+			
+			$body[] = $xmlRoot;
+			$body[] = '>';
+			$body[] = implode('', $xml);
+			$body[] = '</';
+			$body[] = $xmlRoot;
+			$body[] = '>';
+			$headers['Content-Type'] = 'application/xml';
+			$result['body'] = implode('', $body);
+			
+			ObsLog::commonLog(DEBUG, 'request content ' . $result['body']);
+			
+			if(isset($requestConfig['data']['contentMd5']) && $requestConfig['data']['contentMd5']){
+				$headers['Content-MD5'] = base64_encode(md5($result['body'],true));
+			}
+		}
+		
+		if($fileFlag && ($result['body'] instanceof StreamInterface)){
+			if($this->methodName === 'uploadPart' && (isset($model['Offset']) || isset($model['PartSize']))){
+				$bodySize = $result['body'] ->getSize();
+				if(isset($model['Offset'])){
+					$offset = intval($model['Offset']['value']);
+					$offset = $offset >= 0 && $offset < $bodySize ? $offset : 0;
+				}else{
+					$offset = 0;
+				}
+				
+				if(isset($model['PartSize'])){
+					$partSize = intval($model['PartSize']['value']);
+					$partSize = $partSize > 0 && $partSize  <= ($bodySize - $offset) ? $partSize : $bodySize - $offset;
+				}else{
+					$partSize = $bodySize - $offset;
+				}
+				$result['body'] -> rewind();
+				$result['body'] -> seek($offset);
+				$headers['Content-Length'] = $partSize;
+			}else if(isset($headers['Content-Length'])){
+				$bodySize = $result['body'] -> getSize();
+				if(intval($headers['Content-Length']) > $bodySize){
+					$headers['Content-Length'] =  $bodySize;
+				}
+			}
+		}
+		
+		$constants = Constants::selectConstants($this -> signature);
+		
+		if($this->securityToken){
+		    $headers[$constants::SECURITY_TOKEN_HEAD] = $this->securityToken; 
+		}
+		
+		$headers['Host'] = $host;
+		
+		$result['host'] = $host;
+		$result['method'] = $method;
+		$result['headers'] = $headers;
+		$result['pathArgs'] = $pathArgs;
+		$result['dnsParam'] = $dnsParam;
+		$result['uriParam'] = $uriParam;
+		$result['requestUrl'] = $requestUrl;
+		
+		return $result;
+	}
+}

addons/hwobs/library/Obs/Internal/Signature/DefaultSignature.php

@@ -0,0 +1,138 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Signature;
+
+
+use Obs\Internal\Resource\Constants;
+use Obs\Internal\Common\Model;
+use Obs\Internal\Resource\V2Constants;
+
+class DefaultSignature extends AbstractSignature
+{
+	const INTEREST_HEADER_KEY_LIST = array('content-type', 'content-md5', 'date');
+
+
+	public function __construct($ak, $sk, $pathStyle, $endpoint, $methodName, $signature, $securityToken=false, $isCname=false)
+	{
+
+	    parent::__construct($ak, $sk, $pathStyle, $endpoint, $methodName, $signature, $securityToken, $isCname);
+	}
+
+	public function doAuth(array &$requestConfig, array &$params, Model $model)
+	{
+		$result = $this -> prepareAuth($requestConfig, $params, $model);
+
+		$result['headers']['Date'] = gmdate('D, d M Y H:i:s \G\M\T');
+		$canonicalstring = $this-> makeCanonicalstring($result['method'], $result['headers'], $result['pathArgs'], $result['dnsParam'], $result['uriParam']);
+
+		$result['cannonicalRequest'] = $canonicalstring;
+//print_r($result);
+		$signature = base64_encode(hash_hmac('sha1', $canonicalstring, $this->sk, true));
+
+		$constants = Constants::selectConstants($this -> signature);
+		$signatureFlag = $constants::FLAG;
+
+		$authorization = $signatureFlag . ' ' . $this->ak . ':' . $signature;
+
+		$result['headers']['Authorization'] = $authorization;
+
+		return $result;
+	}
+
+	public function makeCanonicalstring($method, $headers, $pathArgs, $bucketName, $objectKey, $expires = null)
+	{
+		$buffer = [];
+		$buffer[] = $method;
+		$buffer[] = "\n";
+		$interestHeaders = [];
+		$constants = Constants::selectConstants($this -> signature);
+
+		foreach ($headers as $key => $value){
+            $key = strtolower($key);
+			if(in_array($key, self::INTEREST_HEADER_KEY_LIST) || strpos($key, $constants::HEADER_PREFIX) === 0){
+				$interestHeaders[$key] = $value;
+			}
+		}
+
+		if(array_key_exists($constants::ALTERNATIVE_DATE_HEADER, $interestHeaders)){
+			$interestHeaders['date'] = '';
+		}
+
+		if($expires !== null){
+			$interestHeaders['date'] = strval($expires);
+		}
+
+		if(!array_key_exists('content-type', $interestHeaders)){
+			$interestHeaders['content-type'] = '';
+		}
+
+		if(!array_key_exists('content-md5', $interestHeaders)){
+			$interestHeaders['content-md5'] = '';
+		}
+
+		ksort($interestHeaders);
+
+		foreach ($interestHeaders as $key => $value){
+		    if(strpos($key, $constants::HEADER_PREFIX) === 0){
+				$buffer[] = $key . ':' . $value;
+			}else{
+				$buffer[] = $value;
+			}
+			$buffer[] = "\n";
+		}
+
+		$uri = '';
+
+		$bucketName = $this->isCname ? $headers['Host'] : $bucketName;
+
+		if($bucketName){
+			$uri .= '/';
+			$uri .= $bucketName;
+			if(!$this->pathStyle){
+				$uri .= '/';
+			}
+		}
+
+		if($objectKey){
+			if(!($pos=strripos($uri, '/')) || strlen($uri)-1 !== $pos){
+				$uri .= '/';
+			}
+			$uri .= $objectKey;
+		}
+
+		$buffer[] = $uri === ''? '/' : $uri;
+
+
+		if(!empty($pathArgs)){
+			ksort($pathArgs);
+			$_pathArgs = [];
+			foreach ($pathArgs as $key => $value){
+			    if(in_array(strtolower($key), $constants::ALLOWED_RESOURCE_PARAMTER_NAMES) || strpos($key, $constants::HEADER_PREFIX) === 0){
+					$_pathArgs[] = $value === null || $value === '' ? $key : $key . '=' . urldecode($value);
+				}
+			}
+			if(!empty($_pathArgs)){
+				$buffer[] = '?';
+				$buffer[] = implode('&', $_pathArgs);
+			}
+		}
+
+		return implode('', $buffer);
+	}
+
+}

addons/hwobs/library/Obs/Internal/Signature/SignatureInterface.php

@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Signature;
+
+use Obs\Internal\Common\Model;
+
+interface SignatureInterface
+{
+	function doAuth(array &$requestConfig, array &$params, Model $model);
+}

addons/hwobs/library/Obs/Internal/Signature/V4Signature.php

@@ -0,0 +1,199 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Internal\Signature;
+
+use Obs\Internal\Common\Model;
+
+class V4Signature extends AbstractSignature
+{
+	const CONTENT_SHA256 = 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855';
+	
+	protected $region;
+	
+	protected $utcTimeZone;
+	
+	public function __construct($ak, $sk, $pathStyle, $endpoint, $region, $methodName, $signature, $securityToken=false, $isCname=false)
+	{
+	    parent::__construct($ak, $sk, $pathStyle, $endpoint, $methodName, $signature, $securityToken, $isCname);
+		$this->region = $region;
+		$this->utcTimeZone = new \DateTimeZone ('UTC');
+	}
+	
+	public function doAuth(array &$requestConfig, array &$params, Model $model)
+	{
+		$result = $this -> prepareAuth($requestConfig, $params, $model);
+		
+		$result['headers']['x-amz-content-sha256'] = self::CONTENT_SHA256;
+		
+		$bucketName = $result['dnsParam'];
+		
+		$result['headers']['Host'] = $result['host'];
+		
+		$time = null;
+		if(array_key_exists('x-amz-date', $result['headers'])){
+			$time = $result['headers']['x-amz-date'];
+		}else if(array_key_exists('X-Amz-Date', $result['headers'])){
+			$time = $result['headers']['X-Amz-Date'];
+		}
+		$timestamp = $time ? date_create_from_format('Ymd\THis\Z', $time, $this->utcTimeZone) -> getTimestamp()
+				:time();
+		
+		$result['headers']['Date'] = gmdate('D, d M Y H:i:s \G\M\T', $timestamp);
+				
+		$longDate = gmdate('Ymd\THis\Z', $timestamp);
+		$shortDate = substr($longDate, 0, 8);
+		
+		$credential = $this-> getCredential($shortDate);
+		
+		$signedHeaders = $this->getSignedHeaders($result['headers']);
+		
+		$canonicalstring = $this-> makeCanonicalstring($result['method'], $result['headers'], $result['pathArgs'], $bucketName, $result['uriParam'], $signedHeaders);
+		
+		$result['cannonicalRequest'] = $canonicalstring;
+		
+		$signature = $this -> getSignature($canonicalstring, $longDate, $shortDate);
+		
+		$authorization = 'AWS4-HMAC-SHA256 ' . 'Credential=' . $credential. ',' . 'SignedHeaders=' . $signedHeaders . ',' . 'Signature=' . $signature;
+		
+		$result['headers']['Authorization'] = $authorization;
+		
+		return $result;
+	}
+	
+	public function getSignature($canonicalstring, $longDate, $shortDate)
+	{
+		$stringToSign = [];
+		$stringToSign[] = 'AWS4-HMAC-SHA256';
+		
+		$stringToSign[] = "\n";
+		
+		$stringToSign[] = $longDate;
+		
+		$stringToSign[] = "\n";
+		$stringToSign[] = $this -> getScope($shortDate);
+		$stringToSign[] = "\n";
+		
+		$stringToSign[] = hash('sha256', $canonicalstring);
+		
+		$dateKey = hash_hmac('sha256', $shortDate, 'AWS4' . $this -> sk, true);
+		$regionKey = hash_hmac('sha256', $this->region, $dateKey, true);
+		$serviceKey = hash_hmac('sha256', 's3', $regionKey, true);
+		$signingKey = hash_hmac('sha256', 'aws4_request', $serviceKey, true);
+		$signature = hash_hmac('sha256', implode('', $stringToSign), $signingKey);
+		return $signature;
+	}
+	
+	public function getCanonicalQueryString($pathArgs)
+	{
+		$queryStr = '';
+		
+		ksort($pathArgs);
+		$index = 0;
+		foreach ($pathArgs as $key => $value){
+			$queryStr .=  $key . '=' . $value;
+			if($index++ !== count($pathArgs) - 1){
+				$queryStr .= '&';
+			}
+		}
+		return $queryStr;
+	}
+	
+	public function getCanonicalHeaders($headers)
+	{
+		$_headers = [];
+		foreach ($headers as $key => $value) {
+			$_headers[strtolower($key)] = $value;
+		}
+		ksort($_headers);
+		
+		$canonicalHeaderStr = '';
+		
+		foreach ($_headers as $key => $value){
+			$value = is_array($value) ? implode(',', $value) : $value; 
+			$canonicalHeaderStr .= $key . ':' . $value;
+			$canonicalHeaderStr .= "\n";
+		}
+		return $canonicalHeaderStr;
+	}
+	
+	public function getCanonicalURI($bucketName, $objectKey)
+	{
+		$uri = '';
+		if($this -> pathStyle && $bucketName){
+			$uri .= '/' . $bucketName;
+		}
+		
+		if($objectKey){
+			$uri .= '/' . $objectKey;
+		}
+		
+		if($uri === ''){
+			$uri = '/';
+		}
+		return $uri;
+	}
+	
+	public function makeCanonicalstring($method, $headers, $pathArgs, $bucketName, $objectKey, $signedHeaders=null, $payload=null)
+	{
+		$buffer = [];
+		$buffer[] = $method;
+		$buffer[] = "\n";
+		$buffer[] = $this->getCanonicalURI($bucketName, $objectKey);
+		$buffer[] = "\n";
+		$buffer[] = $this->getCanonicalQueryString($pathArgs);
+		$buffer[] = "\n";
+		$buffer[] = $this->getCanonicalHeaders($headers);
+		$buffer[] = "\n";
+		$buffer[] = $signedHeaders ? $signedHeaders : $this->getSignedHeaders($headers);
+		$buffer[] = "\n";
+		$buffer[] = $payload ? strval($payload) : self::CONTENT_SHA256;
+		
+		return implode('', $buffer);
+	}
+	
+	public function getSignedHeaders($headers)
+	{
+		$_headers = [];
+		
+		foreach ($headers as $key => $value) {
+			$_headers[] = strtolower($key);
+		}
+		
+		sort($_headers);
+		
+		$signedHeaders = '';
+		
+		foreach ($_headers as $key => $value){
+			$signedHeaders .= $value;
+			if($key !== count($_headers) - 1){
+				$signedHeaders .= ';';
+			}
+		}
+		return $signedHeaders;
+	}
+	
+	public function getScope($shortDate)
+	{
+		return $shortDate . '/' . $this->region . '/s3/aws4_request';
+	}
+	
+	public function getCredential($shortDate)
+	{
+		return $this->ak . '/' . $this->getScope($shortDate);
+	}
+}

addons/hwobs/library/Obs/Log/ObsConfig.php

@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Log;
+
+class ObsConfig
+{
+	const LOG_FILE_CONFIG = [
+			'FilePath'=>'./logs',
+			'FileName'=>'eSDK-OBS-PHP.log',
+			'MaxFiles'=>10,
+			'Level'=>INFO
+	];
+}

addons/hwobs/library/Obs/Log/ObsLog.php

@@ -0,0 +1,126 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs\Log;
+
+use Monolog\Formatter\LineFormatter;
+use Monolog\Handler\RotatingFileHandler;
+use Monolog\Logger;
+
+class ObsLog extends Logger
+{
+	public static $log = null;
+	
+	protected $log_path = './';
+	protected $log_name = null;
+	protected $log_level = Logger::DEBUG;
+	protected $log_maxFiles = 0;
+	
+	private $formatter = null;
+	private $handler = null;
+	private $filepath = '';
+	
+	public static function initLog($logConfig= [])
+	{
+		$s3log = new ObsLog(''); 
+		$s3log->setConfig($logConfig);
+		$s3log->cheakDir();
+		$s3log->setFilePath();
+		$s3log->setFormat();
+		$s3log->setHande();
+	}
+	private function setFormat()
+	{
+		$output = '[%datetime%][%level_name%]'.'%message%' . "\n";
+		$this->formatter = new LineFormatter($output);
+		
+	}
+	private function setHande()
+	{
+		self::$log = new Logger('obs_logger');
+		$rotating = new RotatingFileHandler($this->filepath, $this->log_maxFiles, $this->log_level);
+		$rotating->setFormatter($this->formatter);
+		self::$log->pushHandler($rotating);
+	}
+	private function setConfig($logConfig= [])
+	{
+		$arr = empty($logConfig) ? ObsConfig::LOG_FILE_CONFIG : $logConfig;
+		$this->log_path = iconv('UTF-8', 'GBK',$arr['FilePath']);
+		$this->log_name = iconv('UTF-8', 'GBK',$arr['FileName']);
+		$this->log_maxFiles = is_numeric($arr['MaxFiles']) ? 0 : intval($arr['MaxFiles']);
+		$this->log_level = $arr['Level'];
+	}
+	private function cheakDir()
+	{
+		if (!is_dir($this->log_path)){
+			mkdir($this->log_path, 0755, true);
+		}
+	} 
+	private function setFilePath()
+	{
+		$this->filepath =  $this->log_path.'/'.$this->log_name;
+	}
+	private static function writeLog($level, $msg)
+	{
+		switch ($level) {
+			case DEBUG:
+				self::$log->debug($msg);
+				break;
+			case INFO:
+				self::$log->info($msg);
+				break;
+			case NOTICE:
+				self::$log->notice($msg);
+				break;
+			case WARNING:
+				self::$log->warning($msg);
+				break;
+			case ERROR:
+				self::$log->error($msg);
+				break;
+			case CRITICAL:
+				self::$log->critical($msg);
+				break;
+			case ALERT:
+				self::$log->alert($msg);
+				break;
+			case EMERGENCY:
+				self::$log->emergency($msg);
+				break;
+			default:
+				break;
+		}
+		
+	}
+	
+	public static function commonLog($level, $format, $args1 = null, $arg2 = null)
+	{
+		if(ObsLog::$log){
+		    if ($args1 === null && $arg2 === null) {
+		        $msg = urldecode($format);
+		    } else {
+		        $msg = sprintf($format, $args1, $arg2);
+		    }
+			$back = debug_backtrace();
+			$line = $back[0]['line'];
+			$funcname = $back[1]['function'];
+			$filename = basename($back[0]['file']);
+			$message = '['.$filename.':'.$line.']: '.$msg;
+			ObsLog::writeLog($level, $message);
+		}
+	}
+}

addons/hwobs/library/Obs/ObsClient.php

@@ -0,0 +1,405 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs;
+
+use Obs\Log\ObsLog;
+use Obs\Internal\Common\SdkCurlFactory;
+use Obs\Internal\Common\SdkStreamHandler;
+use Obs\Internal\Common\Model;
+use Monolog\Logger;
+use GuzzleHttp\Client;
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Handler\CurlHandler;
+use GuzzleHttp\Handler\CurlMultiHandler;
+use GuzzleHttp\Handler\Proxy;
+use GuzzleHttp\Promise\Promise;
+use Obs\Internal\Resource\Constants;
+
+
+define('DEBUG', Logger::DEBUG);
+define('INFO', Logger::INFO);
+define('NOTICE', Logger::NOTICE);
+define('WARNING', Logger::WARNING);
+define('WARN', Logger::WARNING);
+define('ERROR', Logger::ERROR);
+define('CRITICAL', Logger::CRITICAL);
+define('ALERT', Logger::ALERT);
+define('EMERGENCY', Logger::EMERGENCY);
+
+/**
+ * @method Model createPostSignature(array $args=[]);
+ * @method Model createSignedUrl(array $args=[]);
+ * @method Model createBucket(array $args = []);
+ * @method Model listBuckets();
+ * @method Model deleteBucket(array $args = []);
+ * @method Model listObjects(array $args = []);
+ * @method Model listVersions(array $args = []);
+ * @method Model headBucket(array $args = []);
+ * @method Model getBucketMetadata(array $args = []);
+ * @method Model getBucketLocation(array $args = []);
+ * @method Model getBucketStorageInfo(array $args = []);
+ * @method Model setBucketQuota(array $args = []);
+ * @method Model getBucketQuota(array $args = []);
+ * @method Model setBucketStoragePolicy(array $args = []);
+ * @method Model getBucketStoragePolicy(array $args = []);
+ * @method Model setBucketAcl(array $args = []);
+ * @method Model getBucketAcl(array $args = []);
+ * @method Model setBucketLogging(array $args = []);
+ * @method Model getBucketLogging(array $args = []);
+ * @method Model setBucketPolicy(array $args = []);
+ * @method Model getBucketPolicy(array $args = []);
+ * @method Model deleteBucketPolicy(array $args = []);
+ * @method Model setBucketLifecycle(array $args = []);
+ * @method Model getBucketLifecycle(array $args = []);
+ * @method Model deleteBucketLifecycle(array $args = []);
+ * @method Model setBucketWebsite(array $args = []);
+ * @method Model getBucketWebsite(array $args = []);
+ * @method Model deleteBucketWebsite(array $args = []);
+ * @method Model setBucketVersioning(array $args = []);
+ * @method Model getBucketVersioning(array $args = []);
+ * @method Model setBucketCors(array $args = []);
+ * @method Model getBucketCors(array $args = []);
+ * @method Model deleteBucketCors(array $args = []);
+ * @method Model setBucketNotification(array $args = []);
+ * @method Model getBucketNotification(array $args = []);
+ * @method Model setBucketTagging(array $args = []);
+ * @method Model getBucketTagging(array $args = []);
+ * @method Model deleteBucketTagging(array $args = []);
+ * @method Model optionsBucket(array $args = []);
+ * 
+ * @method Model putObject(array $args = []);
+ * @method Model getObject(array $args = []);
+ * @method Model copyObject(array $args = []);
+ * @method Model deleteObject(array $args = []);
+ * @method Model deleteObjects(array $args = []);
+ * @method Model getObjectMetadata(array $args = []);
+ * @method Model setObjectAcl(array $args = []);
+ * @method Model getObjectAcl(array $args = []);
+ * @method Model initiateMultipartUpload(array $args = []);
+ * @method Model uploadPart(array $args = []);
+ * @method Model copyPart(array $args = []);
+ * @method Model listParts(array $args = []);
+ * @method Model completeMultipartUpload(array $args = []);
+ * @method Model abortMultipartUpload(array $args = []);
+ * @method Model listMultipartUploads(array $args = []);
+ * @method Model optionsObject(array $args = []);
+ * @method Model restoreObject(array $args = []);
+ *  
+ * @method Promise createBucketAsync(array $args = [], callable $callback);
+ * @method Promise listBucketsAsync(callable $callback);
+ * @method Promise deleteBucketAsync(array $args = [], callable $callback);
+ * @method Promise listObjectsAsync(array $args = [], callable $callback);
+ * @method Promise listVersionsAsync(array $args = [], callable $callback);
+ * @method Promise headBucketAsync(array $args = [], callable $callback);
+ * @method Promise getBucketMetadataAsync(array $args = [], callable $callback);
+ * @method Promise getBucketLocationAsync(array $args = [], callable $callback);
+ * @method Promise getBucketStorageInfoAsync(array $args = [], callable $callback);
+ * @method Promise setBucketQuotaAsync(array $args = [], callable $callback);
+ * @method Promise getBucketQuotaAsync(array $args = [], callable $callback);
+ * @method Promise setBucketStoragePolicyAsync(array $args = [], callable $callback);
+ * @method Promise getBucketStoragePolicyAsync(array $args = [], callable $callback);
+ * @method Promise setBucketAclAsync(array $args = [], callable $callback);
+ * @method Promise getBucketAclAsync(array $args = [], callable $callback);
+ * @method Promise setBucketLoggingAsync(array $args = [], callable $callback);
+ * @method Promise getBucketLoggingAsync(array $args = [], callable $callback);
+ * @method Promise setBucketPolicyAsync(array $args = [], callable $callback);
+ * @method Promise getBucketPolicyAsync(array $args = [], callable $callback);
+ * @method Promise deleteBucketPolicyAsync(array $args = [], callable $callback);
+ * @method Promise setBucketLifecycleAsync(array $args = [], callable $callback);
+ * @method Promise getBucketLifecycleAsync(array $args = [], callable $callback);
+ * @method Promise deleteBucketLifecycleAsync(array $args = [], callable $callback);
+ * @method Promise setBucketWebsiteAsync(array $args = [], callable $callback);
+ * @method Promise getBucketWebsiteAsync(array $args = [], callable $callback);
+ * @method Promise deleteBucketWebsiteAsync(array $args = [], callable $callback);
+ * @method Promise setBucketVersioningAsync(array $args = [], callable $callback);
+ * @method Promise getBucketVersioningAsync(array $args = [], callable $callback);
+ * @method Promise setBucketCorsAsync(array $args = [], callable $callback);
+ * @method Promise getBucketCorsAsync(array $args = [], callable $callback);
+ * @method Promise deleteBucketCorsAsync(array $args = [], callable $callback);
+ * @method Promise setBucketNotificationAsync(array $args = [], callable $callback);
+ * @method Promise getBucketNotificationAsync(array $args = [], callable $callback);
+ * @method Promise setBucketTaggingAsync(array $args = [], callable $callback);
+ * @method Promise getBucketTaggingAsync(array $args = [], callable $callback);
+ * @method Promise deleteBucketTaggingAsync(array $args = [], callable $callback);
+ * @method Promise optionsBucketAsync(array $args = [], callable $callback);
+ * 
+ * @method Promise putObjectAsync(array $args = [], callable $callback);
+ * @method Promise getObjectAsync(array $args = [], callable $callback);
+ * @method Promise copyObjectAsync(array $args = [], callable $callback);
+ * @method Promise deleteObjectAsync(array $args = [], callable $callback);
+ * @method Promise deleteObjectsAsync(array $args = [], callable $callback);
+ * @method Promise getObjectMetadataAsync(array $args = [], callable $callback);
+ * @method Promise setObjectAclAsync(array $args = [], callable $callback);
+ * @method Promise getObjectAclAsync(array $args = [], callable $callback);
+ * @method Promise initiateMultipartUploadAsync(array $args = [], callable $callback);
+ * @method Promise uploadPartAsync(array $args = [], callable $callback);
+ * @method Promise copyPartAsync(array $args = [], callable $callback);
+ * @method Promise listPartsAsync(array $args = [], callable $callback);
+ * @method Promise completeMultipartUploadAsync(array $args = [], callable $callback);
+ * @method Promise abortMultipartUploadAsync(array $args = [], callable $callback);
+ * @method Promise listMultipartUploadsAsync(array $args = [], callable $callback);
+ * @method Promise optionsObjectAsync(array $args = [], callable $callback);
+ * @method Promise restoreObjectAsync(array $args = [], callable $callback);
+ * 
+ */
+class ObsClient
+{
+	
+	const SDK_VERSION = '3.20.5';
+	
+	const AclPrivate = 'private';
+	const AclPublicRead = 'public-read';
+	const AclPublicReadWrite = 'public-read-write';
+	const AclPublicReadDelivered = 'public-read-delivered';
+	const AclPublicReadWriteDelivered = 'public-read-write-delivered';
+	
+	const AclAuthenticatedRead = 'authenticated-read';
+	const AclBucketOwnerRead = 'bucket-owner-read';
+	const AclBucketOwnerFullControl = 'bucket-owner-full-control';
+	const AclLogDeliveryWrite = 'log-delivery-write';
+	
+	const StorageClassStandard = 'STANDARD';
+	const StorageClassWarm = 'WARM';
+	const StorageClassCold = 'COLD';
+	
+	const PermissionRead = 'READ';
+	const PermissionWrite = 'WRITE';
+	const PermissionReadAcp = 'READ_ACP';
+	const PermissionWriteAcp = 'WRITE_ACP';
+	const PermissionFullControl = 'FULL_CONTROL';
+	
+	const AllUsers = 'Everyone';
+	
+	const GroupAllUsers = 'AllUsers';
+	const GroupAuthenticatedUsers = 'AuthenticatedUsers';
+	const GroupLogDelivery = 'LogDelivery';
+	
+	const RestoreTierExpedited = 'Expedited';
+	const RestoreTierStandard = 'Standard';
+	const RestoreTierBulk = 'Bulk';
+	
+	const GranteeGroup = 'Group';
+	const GranteeUser = 'CanonicalUser';
+	
+	const CopyMetadata = 'COPY';
+	const ReplaceMetadata = 'REPLACE';
+	
+	const SignatureV2 = 'v2';
+	const SignatureV4 = 'v4';
+	const SigantureObs = 'obs';
+	
+	const ObjectCreatedAll = 'ObjectCreated:*';
+	const ObjectCreatedPut = 'ObjectCreated:Put';
+	const ObjectCreatedPost = 'ObjectCreated:Post';
+	const ObjectCreatedCopy = 'ObjectCreated:Copy';
+	const ObjectCreatedCompleteMultipartUpload = 'ObjectCreated:CompleteMultipartUpload';
+	const ObjectRemovedAll = 'ObjectRemoved:*';
+	const ObjectRemovedDelete = 'ObjectRemoved:Delete';
+	const ObjectRemovedDeleteMarkerCreated = 'ObjectRemoved:DeleteMarkerCreated';
+	
+	use Internal\SendRequestTrait;
+	use Internal\GetResponseTrait;
+	
+	private $factorys;
+
+	public function __construct(array $config = []){
+		$this ->factorys = [];
+		
+		$this -> ak = strval($config['key']);
+		$this -> sk = strval($config['secret']);
+		
+		if(isset($config['security_token'])){
+		    $this -> securityToken = strval($config['security_token']);
+		}
+		
+		if(isset($config['endpoint'])){
+			$this -> endpoint = trim(strval($config['endpoint']));
+		}
+		
+		if($this -> endpoint === ''){
+			throw new \RuntimeException('endpoint is not set');
+		}
+		
+		while($this -> endpoint[strlen($this -> endpoint)-1] === '/'){
+			$this -> endpoint = substr($this -> endpoint, 0, strlen($this -> endpoint)-1);
+		}
+		
+		if(strpos($this-> endpoint, 'http') !== 0){
+			$this -> endpoint = 'https://' . $this -> endpoint;
+		}
+		
+		if(isset($config['signature'])){
+		    $this -> signature = strval($config['signature']);
+		}
+		
+		if(isset($config['path_style'])){
+			$this -> pathStyle = $config['path_style'];
+		}
+		
+		if(isset($config['region'])){
+			$this -> region = strval($config['region']);
+		}
+		
+		if(isset($config['ssl_verify'])){
+			$this -> sslVerify = $config['ssl_verify'];
+		}else if(isset($config['ssl.certificate_authority'])){
+			$this -> sslVerify = $config['ssl.certificate_authority'];
+		}
+		
+		if(isset($config['max_retry_count'])){
+			$this -> maxRetryCount = intval($config['max_retry_count']);
+		}
+		
+		if(isset($config['timeout'])){
+			$this -> timeout = intval($config['timeout']);
+		}
+		
+		if(isset($config['socket_timeout'])){
+			$this -> socketTimeout = intval($config['socket_timeout']);
+		}
+		
+		if(isset($config['connect_timeout'])){
+			$this -> connectTimeout = intval($config['connect_timeout']);
+		}
+		
+		if(isset($config['chunk_size'])){
+			$this -> chunkSize = intval($config['chunk_size']);
+		}
+		
+		if(isset($config['exception_response_mode'])){
+			$this -> exceptionResponseMode = $config['exception_response_mode'];
+		}
+
+		if (isset($config['is_cname'])) {
+		    $this -> isCname = $config['is_cname'];
+        }
+		
+		$host = parse_url($this -> endpoint)['host'];
+		if(filter_var($host, FILTER_VALIDATE_IP) !== false) {
+		    $this -> pathStyle = true;
+		}
+				
+		$handler = self::choose_handler($this);
+		
+		$this -> httpClient = new Client(
+				[
+						'timeout' => 0,
+						'read_timeout' => $this -> socketTimeout,
+						'connect_timeout' => $this -> connectTimeout,
+						'allow_redirects' => false,
+						'verify' => $this -> sslVerify,
+						'expect' => false,
+						'handler' => HandlerStack::create($handler),
+						'curl' => [
+								CURLOPT_BUFFERSIZE => $this -> chunkSize
+						]
+				]
+		);
+		
+	}
+	
+	public function __destruct(){
+		$this-> close();
+	}
+	
+	public function refresh($key, $secret, $security_token=false){
+	    $this -> ak = strval($key);
+	    $this -> sk = strval($secret);
+	    if($security_token){
+	        $this -> securityToken = strval($security_token);
+	    }
+	}
+	
+	/**
+	 * Get the default User-Agent string to use with Guzzle
+	 *
+	 * @return string
+	 */
+	private static function default_user_agent()
+	{
+		static $defaultAgent = '';
+		if (!$defaultAgent) {
+			$defaultAgent = 'obs-sdk-php/' . self::SDK_VERSION;
+		}
+		
+		return $defaultAgent;
+	}
+	
+	/**
+	 * Factory method to create a new Obs client using an array of configuration options.
+	 *
+	 * @param array $config Client configuration data
+	 *
+	 * @return ObsClient
+	 */
+	public static function factory(array $config = [])
+	{
+		return new ObsClient($config);
+	}
+	
+	public function close(){
+		if($this->factorys){
+			foreach ($this->factorys as $factory){
+				$factory->close();
+			}
+		}
+	}
+	
+	public function initLog(array $logConfig= [])
+	{
+		ObsLog::initLog($logConfig);
+		
+		$msg = [];
+		$msg[] = '[OBS SDK Version=' . self::SDK_VERSION;
+		$msg[] = 'Endpoint=' . $this->endpoint;
+		$msg[] = 'Access Mode=' . ($this->pathStyle ? 'Path' : 'Virtual Hosting').']';
+		
+		ObsLog::commonLog(WARNING, implode("];[", $msg));
+	}
+	
+	private static function choose_handler($obsclient)
+	{
+		$handler = null;
+		if (function_exists('curl_multi_exec') && function_exists('curl_exec')) {
+			$f1 = new SdkCurlFactory(50);
+			$f2 = new SdkCurlFactory(3);
+			$obsclient->factorys[] = $f1;
+			$obsclient->factorys[] = $f2;
+			$handler = Proxy::wrapSync(new CurlMultiHandler(['handle_factory' => $f1]), new CurlHandler(['handle_factory' => $f2]));
+		} elseif (function_exists('curl_exec')) {
+			$f = new SdkCurlFactory(3);
+			$obsclient->factorys[] = $f;
+			$handler = new CurlHandler(['handle_factory' => $f]);
+		} elseif (function_exists('curl_multi_exec')) {
+			$f = new SdkCurlFactory(50);
+			$obsclient->factorys[] = $f;
+			$handler = new CurlMultiHandler(['handle_factory' => $f]);
+		}
+		
+		if (ini_get('allow_url_fopen')) {
+			$handler = $handler
+			? Proxy::wrapStreaming($handler, new SdkStreamHandler())
+			: new SdkStreamHandler();
+		} elseif (!$handler) {
+			throw new \RuntimeException('GuzzleHttp requires cURL, the '
+					. 'allow_url_fopen ini setting, or a custom HTTP handler.');
+		}
+		
+		return $handler;
+	}
+}

addons/hwobs/library/Obs/ObsException.php

@@ -0,0 +1,140 @@
+<?php
+
+/**
+ * Copyright 2019 Huawei Technologies Co.,Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ * this file except in compliance with the License.  You may obtain a copy of the
+ * License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
+namespace Obs;
+
+use GuzzleHttp\Psr7\Request;
+use GuzzleHttp\Psr7\Response;
+use Obs\Log\ObsLog;
+
+class ObsException extends \RuntimeException
+{
+	const CLIENT = 'client';
+	
+	const SERVER = 'server';
+	
+    private $response;
+
+    private $request;
+
+    private $requestId;
+
+    private $exceptionType;
+        
+    private $exceptionCode;
+    
+    private $exceptionMessage;
+    
+    private $hostId;
+	
+    public function __construct ($message = null, $code = null, $previous = null) 
+    {
+    	parent::__construct($message, $code, $previous);
+    }
+    
+    public function setExceptionCode($exceptionCode)
+    {
+        $this->exceptionCode = $exceptionCode;
+    }
+
+    public function getExceptionCode()
+    {
+        return $this->exceptionCode;
+    }
+    
+    public function setExceptionMessage($exceptionMessage)
+    {
+        $this->exceptionMessage = $exceptionMessage;
+    }
+    
+    public function getExceptionMessage()
+    {
+    	return $this->exceptionMessage ? $this->exceptionMessage : $this->message;
+    }
+
+    public function setExceptionType($exceptionType)
+    {
+        $this->exceptionType = $exceptionType;
+    }
+
+    public function getExceptionType()
+    {
+        return $this->exceptionType;
+    }
+
+    public function setRequestId($requestId)
+    {
+        $this->requestId = $requestId;
+    }
+
+    public function getRequestId()
+    {
+        return $this->requestId;
+    }
+
+    public function setResponse(Response $response)
+    {
+        $this->response = $response;
+    }
+
+    public function getResponse()
+    {
+        return $this->response;
+    }
+
+    public function setRequest(Request $request)
+    {
+        $this->request = $request;
+    }
+
+    public function getRequest()
+    {
+        return $this->request;
+    }
+
+    public function getStatusCode()
+    {
+        return $this->response ? $this->response->getStatusCode() : -1;
+    }
+    
+    public function setHostId($hostId){
+    	$this->hostId = $hostId;
+    }
+    
+    public function getHostId(){
+    	return $this->hostId;
+    }
+
+    public function __toString()
+    {
+        $message = get_class($this) . ': '
+            . 'OBS Error Code: ' . $this->getExceptionCode() . ', '
+            . 'Status Code: ' . $this->getStatusCode() . ', '
+            . 'OBS Error Type: ' . $this->getExceptionType() . ', '
+            . 'OBS Error Message: ' . ($this->getExceptionMessage() ? $this->getExceptionMessage():$this->getMessage());
+
+        // Add the User-Agent if available
+        if ($this->request) {
+            $message .= ', ' . 'User-Agent: ' . $this->request->getHeaderLine('User-Agent');
+        }
+        $message .= "\n";
+        
+        ObsLog::commonLog(INFO, "http request:status:%d, %s",$this->getStatusCode(),"code:".$this->getExceptionCode().", message:".$this->getMessage());
+        return $message;
+    }
+    
+}

addons/hwobs/library/Signer.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace addons\hwobs\library;
+
+use Obs\Internal\Common\Model;
+use Obs\Internal\Signature\DefaultSignature;
+
+class Signer
+{
+
+    public function __construct()
+    {
+    }
+
+    /**
+     * 获取分片文件的签名
+     * @param string $url
+     * @param string $uploadId
+     * @param int    $fileSize
+     * @param int    $partSize
+     * @param string $date
+     * @return array
+     */
+    public static function getPartsAuthorization($url, $uploadId, $fileSize, $partSize, $date)
+    {
+        $config = get_addon_config('hwobs');
+        $i = 0;
+        $size_count = $fileSize;
+        $values = array();
+        while ($size_count > 0) {
+            $size_count -= $partSize;
+            $values[] = array(
+                $partSize * $i,
+                ($size_count > 0) ? $partSize : ($size_count + $partSize),
+            );
+            $i++;
+        }
+
+        $httpMethod = "PUT";
+        $headers = [
+            "Host"           => str_replace(['http://', 'https://'], '', $config['uploadurl']),
+            "Content-Length" => 0,
+            "x-amz-date"     => $date,
+        ];
+
+        $result = [];
+        foreach ($values as $index => $value) {
+            $headers['Content-Length'] = $value[1];
+            $params = ['partNumber' => $index + 1, 'uploadId' => $uploadId, 'uriParam' => $url, 'dnsParam' => $config['bucket'], 'x-amz-date' => $date];
+            $model = new Model($params);
+            $sign = new DefaultSignature($config['accessKey'], $config['secretKey'], false, $config['uploadurl'], $httpMethod, 'v2', false, false);
+            $requestConfig = [
+                'httpMethod'        => $httpMethod,
+                'requestParameters' => [
+                    'x-amz-date' => ['location' => 'header'],
+                    'partNumber' => ['location' => 'query'],
+                    'uploadId'   => ['location' => 'query'],
+                    'uriParam'   => ['location' => 'uri'],
+                    'dnsParam'   => ['location' => 'dns'],
+                ]
+            ];
+            $sig = $sign->doAuth($requestConfig, $params, $model);
+            $result[] = $sig['headers']['Authorization'];
+        }
+
+        return $result;
+    }
+}

application/extra/addons.php

@@ -21,10 +21,20 @@ return [
         'action_begin' => [
             'epay',
         ],
-        'upgrade' => [
-            'shopro',
+        'module_init' => [
+            'hwobs',
+        ],
+        'upload_config_init' => [
+            'hwobs',
+        ],
+        'upload_delete' => [
+            'hwobs',
         ],
         'app_init' => [
+            'hwobs',
+            'shopro',
+        ],
+        'upgrade' => [
             'shopro',
         ],
         'config_init' => [

public/assets/js/addons.js

@@ -1,5 +1,285 @@
 define([], function () {
-    if (Config.modulename == 'admin' && Config.controllername == 'index' && Config.actionname == 'index') {
+    if (typeof Config.upload.storage !== 'undefined' && Config.upload.storage === 'hwobs') {
+    require(['upload'], function (Upload) {
+        //获取文件MD5值
+        var getFileMd5 = function (file, cb) {
+            //如果savekey中未检测到md5，则无需获取文件md5，直接返回upload的uuid
+            if (!Config.upload.savekey.match(/\{(file)?md5\}/)) {
+                cb && cb(file.upload.uuid);
+                return;
+            }
+            require(['../addons/hwobs/js/spark'], function (SparkMD5) {
+                var blobSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice,
+                    chunkSize = 10 * 1024 * 1024,
+                    chunks = Math.ceil(file.size / chunkSize),
+                    currentChunk = 0,
+                    spark = new SparkMD5.ArrayBuffer(),
+                    fileReader = new FileReader();
+
+                fileReader.onload = function (e) {
+                    spark.append(e.target.result);
+                    currentChunk++;
+                    if (currentChunk < chunks) {
+                        loadNext();
+                    } else {
+                        cb && cb(spark.end());
+                    }
+                };
+
+                fileReader.onerror = function () {
+                    console.warn('文件读取错误');
+                };
+
+                function loadNext() {
+                    var start = currentChunk * chunkSize,
+                        end = ((start + chunkSize) >= file.size) ? file.size : start + chunkSize;
+
+                    fileReader.readAsArrayBuffer(blobSlice.call(file, start, end));
+                }
+
+                loadNext();
+            });
+        };
+
+        var _onInit = Upload.events.onInit;
+        //初始化中完成判断
+        Upload.events.onInit = function () {
+            _onInit.apply(this, Array.prototype.slice.apply(arguments));
+            //如果上传接口不是hwobs，则不处理
+            if (this.options.url !== Config.upload.uploadurl) {
+                return;
+            }
+            $.extend(this.options, {
+                //关闭自动处理队列功能
+                autoQueue: false,
+                params: function (files, xhr, chunk) {
+                    var params = $.extend({}, Config.upload.multipart);
+                    if (chunk) {
+                        return $.extend({}, params, {
+                            filesize: chunk.file.size,
+                            filename: chunk.file.name,
+                            chunkid: chunk.file.upload.uuid,
+                            chunkindex: chunk.index,
+                            chunkcount: chunk.file.upload.totalChunkCount,
+                            chunkfilesize: chunk.dataBlock.data.size,
+                            chunksize: this.options.chunkSize,
+                            width: chunk.file.width || 0,
+                            height: chunk.file.height || 0,
+                            type: chunk.file.type,
+                            uploadId: chunk.file.uploadId,
+                            key: chunk.file.key,
+                        });
+                    }
+                    return params;
+                },
+                chunkSuccess: function (chunk, file, response) {
+                    var etag = chunk.xhr.getResponseHeader("ETag").replace(/(^")|("$)/g, '');
+                    file.etags = file.etags ? file.etags : [];
+                    file.etags[chunk.index] = etag;
+                },
+                chunksUploaded: function (file, done) {
+                    var that = this;
+
+                    Fast.api.ajax({
+                        url: "/addons/hwobs/index/upload",
+                        data: {
+                            action: 'merge',
+                            filesize: file.size,
+                            filename: file.name,
+                            chunkid: file.upload.uuid,
+                            chunkcount: file.upload.totalChunkCount,
+                            md5: file.md5,
+                            key: file.key,
+                            uploadId: file.uploadId,
+                            etags: file.etags,
+                            category: file.category || '',
+                            hwobstoken: Config.upload.multipart.hwobstoken,
+                        },
+                    }, function (data, ret) {
+                        done(JSON.stringify(ret));
+                        return false;
+                    }, function (data, ret) {
+                        file.accepted = false;
+                        that._errorProcessing([file], ret.msg);
+                        return false;
+                    });
+
+                },
+            });
+
+            var _success = this.options.success;
+            //先移除已有的事件
+            this.off("success", _success).on("success", function (file, response) {
+                var ret = {code: 0, msg: response};
+                try {
+                    if (response) {
+                        ret = typeof response === 'string' ? JSON.parse(response) : response;
+                    }
+                    if (file.xhr.status === 200 || file.xhr.status === 204) {
+
+                        if (Config.upload.uploadmode === 'client') {
+                            ret = {code: 1, data: {url: '/' + file.key}};
+                        }
+
+                        if (ret.code == 1) {
+                            var url = ret.data.url || '';
+                            Fast.api.ajax({
+                                url: "/addons/hwobs/index/notify",
+                                data: {name: file.name, url: url, md5: file.md5, size: file.size, width: file.width || 0, height: file.height || 0, type: file.type, category: file.category || '', hwobstoken: Config.upload.multipart.hwobstoken}
+                            }, function () {
+                                return false;
+                            }, function () {
+                                return false;
+                            });
+                        } else {
+                            console.error(ret);
+                        }
+                    } else {
+                        console.error(file.xhr);
+                    }
+                } catch (e) {
+                    console.error(e);
+                }
+                _success.call(this, file, ret);
+            });
+
+            this.on("addedfile", function (file) {
+                var that = this;
+                setTimeout(function () {
+                    if (file.status === 'error') {
+                        return;
+                    }
+                    getFileMd5(file, function (md5) {
+                        var chunk = that.options.chunking && file.size > that.options.chunkSize ? 1 : 0;
+                        var params = $(that.element).data("params") || {};
+                        var category = typeof params.category !== 'undefined' ? params.category : ($(that.element).data("category") || '');
+                        category = typeof category === 'function' ? category.call(that, file) : category;
+                        Fast.api.ajax({
+                            url: "/addons/hwobs/index/params",
+                            data: {method: 'POST', category: category, md5: md5, name: file.name, type: file.type, size: file.size, chunk: chunk, chunksize: that.options.chunkSize, hwobstoken: Config.upload.multipart.hwobstoken},
+                        }, function (data) {
+                            file.md5 = md5;
+                            file.id = data.id;
+                            file.key = data.key;
+                            file.date = data.date;
+                            file.uploadId = data.uploadId;
+                            file.policy = data.policy;
+                            file.signature = data.signature;
+                            file.partsAuthorization = data.partsAuthorization;
+                            file.headers = data.headers;
+                            delete data.headers;
+                            file.params = data;
+                            file.category = category;
+
+                            if (file.status != 'error') {
+                                //开始上传
+                                that.enqueueFile(file);
+                            } else {
+                                that.removeFile(file);
+                            }
+                            return false;
+                        }, function () {
+                            that.removeFile(file);
+                        });
+                    });
+                }, 0);
+            });
+
+            if (Config.upload.uploadmode === 'client') {
+                var _method = this.options.method;
+                var _url = this.options.url;
+                this.options.method = function (files) {
+                    if (files[0].upload.chunked) {
+                        var chunk = null;
+                        files[0].upload.chunks.forEach(function (item) {
+                            if (item.status === 'uploading') {
+                                chunk = item;
+                            }
+                        });
+                        if (!chunk) {
+                            return "POST";
+                        } else {
+                            return "PUT";
+                        }
+                    } else {
+                        return "POST";
+                    }
+                    return _method;
+                };
+                this.options.url = function (files) {
+                    if (files[0].upload.chunked) {
+                        var chunk = null;
+                        files[0].upload.chunks.forEach(function (item) {
+                            if (item.status === 'uploading') {
+                                chunk = item;
+                            }
+                        });
+                        var index = chunk.dataBlock.chunkIndex;
+                        this.options.headers = {"Authorization": files[0]['partsAuthorization'][index], "x-amz-date": files[0]['date']};
+                        if (!chunk) {
+                            return Config.upload.uploadurl + "/" + files[0].key + "?uploadId=" + files[0].uploadId;
+                        } else {
+                            return Config.upload.uploadurl + "/" + files[0].key + "?partNumber=" + (index + 1) + "&uploadId=" + files[0].uploadId;
+                        }
+                    }
+                    return _url;
+                };
+                this.options.params = function (files, xhr, chunk) {
+                    var params = Config.upload.multipart;
+                    delete params.category;
+                    if (chunk) {
+                        return $.extend({}, params, {
+                            filesize: chunk.file.size,
+                            filename: chunk.file.name,
+                            chunkid: chunk.file.upload.uuid,
+                            chunkindex: chunk.index,
+                            chunkcount: chunk.file.upload.totalChunkCount,
+                            chunkfilesize: chunk.dataBlock.data.size,
+                            width: chunk.file.width || 0,
+                            height: chunk.file.height || 0,
+                            type: chunk.file.type,
+                        });
+                    } else {
+                        var retParams = $.extend({}, params, files[0].params || {});
+                        delete retParams.hwobstoken;
+                        delete retParams.date;
+                        delete retParams.md5;
+                        if (Config.upload.uploadmode !== 'client') {
+                            params.category = files[0].category || '';
+                        }
+                        return retParams;
+                    }
+                };
+                this.on("sending", function (file, xhr, formData) {
+                    var that = this;
+                    var _send = xhr.send;
+                    //仅允许部分字段
+                    var allowFields = ['partNumber', 'uploadId', 'key', 'AccessKeyId', 'policy', 'signature', 'file'];
+                    formData.forEach(function (value, key) {
+                        if (allowFields.indexOf(key) < 0) {
+                            formData.delete(key);
+                        }
+                    });
+                    if (file.upload.chunked) {
+                        xhr.send = function () {
+                            if (file.upload.chunked) {
+                                var chunk = null;
+                                file.upload.chunks.forEach(function (item) {
+                                    if (item.status == 'uploading') {
+                                        chunk = item;
+                                    }
+                                });
+                                _send.call(xhr, chunk.dataBlock.data);
+                            }
+                        };
+                    }
+                });
+            }
+        };
+    });
+}
+
+if (Config.modulename == 'admin' && Config.controllername == 'index' && Config.actionname == 'index') {
     require.config({
         paths: {
             'vue3': "../addons/shopro/libs/vue",