Add Aliyun OSS storage support (lisong#35)

* Add Aliyun OSS storage support。

* Add Aliyun OSS storage support, add Readme.md

Author: starlight36

README.md

@@ -78,6 +78,15 @@ $ vim config/config.js
     bucketName: "",
     downloadUrl: "" //文件下载域名地址
   },
+  //阿里云存储配置 当storageType为oss时需要配置
+  oss: {
+    accessKeyId: "",
+    secretAccessKey: "",
+    endpoint: "",
+    bucketName: "",
+    prefix: "", // 对象Key的前缀，允许放到子文件夹里面
+    downloadUrl: "", // 文件下载域名地址，需要包含前缀
+  },
   //文件存储在本地配置 当storageType为local时需要配置
   local: {
     storageDir: "/Users/tablee/workspaces/storage",

config/config.js

@@ -22,6 +22,15 @@ config.development = {
     region: process.env.REGION,
     downloadUrl: process.env.DOWNLOAD_URL, // binary files download host address.
   },
+  // Config for Aliyun OSS (https://www.aliyun.com/product/oss) when storageType value is "oss".
+  oss: {
+    accessKeyId: "",
+    secretAccessKey: "",
+    endpoint: "",
+    bucketName: "",
+    prefix: "", // Key prefix in object key
+    downloadUrl: "", // binary files download host address.
+  },
   // Config for local storage when storageType value is "local".
   local: {
     // Binary files storage dir, Do not use tmpdir and it's public download dir.

core/utils/common.js

@@ -114,6 +114,8 @@ common.uploadFileToStorage = function (key, filePath) {
     return common.uploadFileToLocal(key, filePath);
   } else if (_.get(config, 'common.storageType') === 's3') {
     return common.uploadFileToS3(key, filePath);
+  } else if (_.get(config, 'common.storageType') === 'oss') {
+    return common.uploadFileToOSS(key, filePath);
   }
   return common.uploadFileToQiniu(key, filePath);
 };
@@ -151,6 +153,8 @@ common.getDownloadUrl = function () {
     return _.get(config, 'local.downloadUrl');
   } else if (_.get(config, 'common.storageType') === 's3') {
     return _.get(config, 's3.downloadUrl');
+  } else if (_.get(config, 'common.storageType') === 'oss') {
+    return _.get(config, 'oss.downloadUrl');
   }
   return _.get(config, 'qiniu.downloadUrl');
 }
@@ -216,6 +220,31 @@ common.uploadFileToS3 = function (key, filePath) {
   );
 };
 
+common.uploadFileToOSS = function (key, filePath) {
+  var ALY = require('aliyun-sdk');
+  var ossStream = require('aliyun-oss-upload-stream')(new ALY.OSS({
+    accessKeyId:  _.get(config, 'oss.accessKeyId'),
+    secretAccessKey: _.get(config, 'oss.secretAccessKey'),
+    endpoint: _.get(config, 'oss.endpoint'),
+    apiVersion: '2013-10-15',
+  }));
+  var upload = ossStream.upload({
+    Bucket: _.get(config, 'oss.bucketName'),
+    Key: `${_.get(config, 'oss.prefix')}/${key}`,
+  });
+
+  return new Promise(function (resolve, reject) {
+    upload.on('error', function (error) {
+      reject(error);
+    });
+
+    upload.on('uploaded', function (details) {
+      resolve(details.ETag);
+    });
+    fs.createReadStream(filePath).pipe(upload);
+  });
+};
+
 common.diffCollectionsSync = function (collection1, collection2) {
   var diffFiles = [];
   var collection1Only = [];

package.json

@@ -35,6 +35,8 @@
     "coverage": "make coverage"
   },
   "dependencies": {
+    "aliyun-oss-upload-stream": "^1.3.0",
+    "aliyun-sdk": "^1.9.17",
     "aws-sdk": "^2.7.0",
     "bcryptjs": "^2.3.0",
     "bluebird": "^3.4.1",