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upload_sdk
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Merge branch 'ifbbprochris' of ifbbprochris/upload_sdk into master

AdamFu 5 vuotta sitten
vanhempi
de831f5e80 61acea14ad
commit
d92a84ecc6
8 muutettua tiedostoa jossa 1022 lisäystä ja 106 poistoa
Jaettu näkymä Näytä diff tilastot
  1. 6
    0
      .babelrc
  2. 1
    0
      .gitignore
  3. 15
    0
      contants.js
  4. 125
    105
      index.js
  5. 649
    0
      package-lock.json
  6. 4
    1
      package.json
  7. 52
    0
      utils.js
  8. 170
    0
      utils/index.js

+ 6
- 0
.babelrc Näytä tiedosto 

@@ -0,0 +1,6 @@
1 
+{
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+  "presets": [
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+    "es2015"
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+  ],
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+  "plugins": []
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+}

+ 1
- 0
.gitignore Näytä tiedosto 

@@ -0,0 +1 @@
1 
+/node_modules

+ 15
- 0
contants.js Näytä tiedosto 

@@ -0,0 +1,15 @@
1 
+'use strict';
2 
+
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+Object.defineProperty(exports, "__esModule", {
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+  value: true
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+});
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+var Constants = {
7 
+  IMAGE_MULTIPART: '/multipart/upload/',
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+  VIDEO_MULTIPART: '/upload/',
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+  IMAGE_TYPE_ERROR: 101,
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+  VIDOE_TYPE_ERROR: 102,
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+  UPLOAD_SUCCESS_CODE: 200,
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+  UPLOAD_FAILED_CODE: 400
13 
+};
14 
+
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+exports.Constants = Constants;

+ 125
- 105
index.js Näytä tiedosto 

@@ -1,170 +1,190 @@
1 
-import { Constants } from './utils/contants'
2 
-import getFilemd5sum from './utils/utils'
1 
+'use strict';
2 
+
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+Object.defineProperty(exports, "__esModule", {
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+  value: true
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+});
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+exports.default = UploadSdk;
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+
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+var _contants = require('./contants');
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+
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+var _utils = require('./utils');
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+
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+var _utils2 = _interopRequireDefault(_utils);
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+
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+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
3 15
4 16 
 function FileFactory(file) {
5 17 
   this.offset = 0; //用于断点续传，默认为 0
6 
-  this.BYTES_PER_CHUNK = 1024 * 1024
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-  this.file = file
8 
-  this.fileSize = file.size
9 
-  this.fileType = (file.name.split('.')[1]).toLowerCase()
10 
-  this.chunkNum = this.BYTES_PER_CHUNK > this.fileSize ? Math.ceil(this.fileSize / this.BYTES_PER_CHUNK) : 1
11 
-  this.chunkSize = this.BYTES_PER_CHUNK > this.fileSize ? this.fileSize : this.BYTES_PER_CHUNK
18 
+  this.BYTES_PER_CHUNK = 1024 * 1024;
19 
+  this.file = file;
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+  this.fileSize = file.size;
21 
+  this.fileType = file.name.split('.')[1].toLowerCase();
22 
+  this.chunkNum = this.BYTES_PER_CHUNK > this.fileSize ? Math.ceil(this.fileSize / this.BYTES_PER_CHUNK) : 1;
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+  this.chunkSize = this.BYTES_PER_CHUNK > this.fileSize ? this.fileSize : this.BYTES_PER_CHUNK;
12 24 
 }
13 25
14 26 
 FileFactory.prototype.setOffset = function (offset) {
15 
-  this.offset = offset
16 
-}
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+  this.offset = offset;
28 
+};
17 29
18 
-export default function UploadSdk(host, origin, token, file) {
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+function UploadSdk(host, origin, token, file) {
19 31
20 
-  this.handlers = [] //用于处理出触发事件
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-  this.host = host.indexOf('http:') > -1 ? 'http:'+ host: host
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-  this.origin = origin
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-  this.token = token
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-  this.file = file
32 
+  this.handlers = []; //用于处理出触发事件
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+  this.host = host.indexOf('http:') > -1 ? 'http:' + host : host;
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+  this.origin = origin;
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+  this.token = token;
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+  this.file = file;
25 37
26 38 
   this.generateMd5 = function (callback) {
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-    getFilemd5sum(this.file).then(result => {
28 
-      callback(result)
29 
-    })
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-  }
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+    (0, _utils2.default)(this.file).then(function (result) {
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+      callback(result);
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+    });
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+  };
31 43
32 44 
   this.imageUploadAction = function () {
33 
-    return new Promise((resolve, reject) => {
34 
-      let fileFactory = new FileFactory(this.file)
45 
+    var _this = this;
46 
+
47 
+    return new Promise(function (resolve, reject) {
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+      var fileFactory = new FileFactory(_this.file);
35 49 
       if (!fileFactory.fileType.match('[(jpg)|(png)|(gif)]+$')) {
36 
-        reject(Constants.IMAGE_TYPE_ERROR)
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+        reject(_contants.Constants.IMAGE_TYPE_ERROR);
37 51 
       }
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-      this.generateMd5((md5) => {
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-        this.md5 = md5
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-        this.postImage(this.md5, fileFactory).then(res => {
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-          resolve(res)
42 
-        }).catch((err) => {
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-          reject(err)
44 
-        })
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-      })
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-    })
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-  }
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+      _this.generateMd5(function (md5) {
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+        _this.md5 = md5;
54 
+        _this.postImage(_this.md5, fileFactory).then(function (res) {
55 
+          resolve(res);
56 
+        }).catch(function (err) {
57 
+          reject(err);
58 
+        });
59 
+      });
60 
+    });
61 
+  };
48 62
49 63 
   this.videoUploadAction = function () {
50 
-    return new Promise((resolve, reject) => {
51 
-      if (!this.file.type.match('[(mp4)|(rmvb)|(flv)|(mpeg)|(avi)]+$')) {
52 
-        reject(Constants.VIDOE_TYPE_ERROR)
64 
+    var _this2 = this;
65 
+
66 
+    return new Promise(function (resolve, reject) {
67 
+      if (!_this2.file.type.match('[(mp4)|(rmvb)|(flv)|(mpeg)|(avi)]+$')) {
68 
+        reject(_contants.Constants.VIDOE_TYPE_ERROR);
53 69 
       }
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-      this.postVideo().then(res => {
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-        resolve(res)
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-      }).catch((err) => {
57 
-        reject(err)
58 
-      })
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-    })
60 
-  }
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+      _this2.postVideo().then(function (res) {
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+        resolve(res);
72 
+      }).catch(function (err) {
73 
+        reject(err);
74 
+      });
75 
+    });
76 
+  };
61 77
62 78 
   this.postVideo = function () {
63 
-    const self = this
64 
-    return new Promise((resolve, reject) => {
65 
-      let xhr = new XMLHttpRequest()
66 
-      xhr.open('POST', this.host + Constants.VIDEO_MULTIPART + this.origin, true)
79 
+    var _this3 = this;
80 
+
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+    var self = this;
82 
+    return new Promise(function (resolve, reject) {
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+      var xhr = new XMLHttpRequest();
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+      xhr.open('POST', _this3.host + _contants.Constants.VIDEO_MULTIPART + _this3.origin, true);
67 85 
       xhr.withCredentials = true;
68 
-      xhr.setRequestHeader('Authorization', `Bearer ${this.token}`)
69 
-      xhr.setRequestHeader('Content-type', 'application/json')
86 
+      xhr.setRequestHeader('Authorization', 'Bearer ' + _this3.token);
87 
+      xhr.setRequestHeader('Content-type', 'application/json');
70 88 
       xhr.upload.addEventListener("progress", function updateProgress(oEvent) {
71 89 
         if (oEvent.lengthComputable) {
72 
-          let percentComplete = oEvent.loaded / oEvent.total * 100;
73 
-          self.emitUpdateProgress(percentComplete)
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+          var percentComplete = oEvent.loaded / oEvent.total * 100;
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+          self.emitUpdateProgress(percentComplete);
74 92 
         }
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-      }, false)
76 
-      let fd = new FormData()
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-      fd.append('file', this.file)
78 
-      fd.append('code_rate', 'ld,sd,hd')
79 
-      xhr.send(fd)
93 
+      }, false);
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+      var fd = new FormData();
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+      fd.append('file', _this3.file);
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+      fd.append('code_rate', 'ld,sd,hd');
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+      xhr.send(fd);
80 98 
       xhr.onreadystatechange = function () {
81 99 
         if (xhr.readyState === 4) {
82 
-          let obj = JSON.parse(xhr.responseText)
83 
-          if (xhr.status === 304 || (xhr.status >= 200 && xhr.status < 300)) {
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+          var obj = JSON.parse(xhr.responseText);
101 
+          if (xhr.status === 304 || xhr.status >= 200 && xhr.status < 300) {
84 102 
             resolve({
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-              code: Constants.UPLOAD_SUCCESS_CODE,
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+              code: _contants.Constants.UPLOAD_SUCCESS_CODE,
86 104 
               url: obj.url,
87 105 
               msg: 'success'
88 
-            })
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+            });
89 107 
           } else {
90 108 
             reject({
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-              code: Constants.UPLOAD_FAILED_CODE,
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+              code: _contants.Constants.UPLOAD_FAILED_CODE,
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               url: '',
93 111 
               msg: obj.message
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-            })
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+            });
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           }
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         }
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-      }
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-    })
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-  }
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+      };
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+    });
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+  };
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101 119 
   this.postImage = function (md5, fileFactory) {
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-    const self = this
103 
-    return new Promise((resolve, reject) => {
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-      let xhr = new XMLHttpRequest()
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+    var _this4 = this;
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+
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+    var self = this;
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+    return new Promise(function (resolve, reject) {
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+      var xhr = new XMLHttpRequest();
105 125 
       xhr.upload.addEventListener("progress", function updateProgress(oEvent) {
106 126 
         if (oEvent.lengthComputable) {
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-          let percentComplete = oEvent.loaded / oEvent.total * 100;
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-          self.emitUpdateProgress(percentComplete)
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+          var percentComplete = oEvent.loaded / oEvent.total * 100;
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+          self.emitUpdateProgress(percentComplete);
109 129 
         }
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-      }, false)
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-      xhr.open('POSt', this.host + Constants.IMAGE_MULTIPART + this.origin, true)
112 
-      xhr.withCredentials = true
113 
-      xhr.setRequestHeader('Authorization', `Bearer ${this.token}`)
114 
-      xhr.setRequestHeader('X-Upload-File-Size', fileFactory.fileSize)
115 
-      xhr.setRequestHeader('X-Upload-Chunk-Index', 1 + '')
116 
-      xhr.setRequestHeader('X-Upload-Chunk-Num', fileFactory.chunkNum)
117 
-      xhr.setRequestHeader('X-Upload-Chunk-Size', fileFactory.chunkSize)
118 
-      xhr.setRequestHeader('X-Upload-Offset', fileFactory.offset + '')
119 
-      xhr.setRequestHeader('X-Upload-File-Md5', md5)
120 
-      xhr.setRequestHeader('X-Upload-File-Type', fileFactory.fileType)
121 
-      let fd = new FormData()
122 
-      fd.append('file', this.file)
123 
-      xhr.send(fd)
130 
+      }, false);
131 
+      xhr.open('POSt', _this4.host + _contants.Constants.IMAGE_MULTIPART + _this4.origin, true);
132 
+      xhr.withCredentials = true;
133 
+      xhr.setRequestHeader('Authorization', 'Bearer ' + _this4.token);
134 
+      xhr.setRequestHeader('X-Upload-File-Size', fileFactory.fileSize);
135 
+      xhr.setRequestHeader('X-Upload-Chunk-Index', 1 + '');
136 
+      xhr.setRequestHeader('X-Upload-Chunk-Num', fileFactory.chunkNum);
137 
+      xhr.setRequestHeader('X-Upload-Chunk-Size', fileFactory.chunkSize);
138 
+      xhr.setRequestHeader('X-Upload-Offset', fileFactory.offset + '');
139 
+      xhr.setRequestHeader('X-Upload-File-Md5', md5);
140 
+      xhr.setRequestHeader('X-Upload-File-Type', fileFactory.fileType);
141 
+      var fd = new FormData();
142 
+      fd.append('file', _this4.file);
143 
+      xhr.send(fd);
124 144 
       xhr.onreadystatechange = function () {
125 145 
         if (xhr.readyState === 4) {
126 
-          let obj = JSON.parse(xhr.responseText)
127 
-          if (xhr.status === 304 || (xhr.status >= 200 && xhr.status < 300)) {
146 
+          var obj = JSON.parse(xhr.responseText);
147 
+          if (xhr.status === 304 || xhr.status >= 200 && xhr.status < 300) {
128 148
129 149 
             if (obj.status === 1) {
130 150 
               resolve({
131 
-                code: Constants.UPLOAD_SUCCESS_CODE,
151 
+                code: _contants.Constants.UPLOAD_SUCCESS_CODE,
132 152 
                 url: obj.url,
133 153 
                 msg: 'success'
134 
-              })
154 
+              });
135 155 
             } else if (obj.status === 0) {
136 
-              fileFactory.setOffset(obj.msg)
137 
-              this.getAllResponseHeaders.postImage(md5, fileFactory)
156 
+              fileFactory.setOffset(obj.msg);
157 
+              this.getAllResponseHeaders.postImage(md5, fileFactory);
138 158 
             }
139 159 
           } else {
140 160 
             reject({
141 
-              code: Constants.UPLOAD_FAILED_CODE,
161 
+              code: _contants.Constants.UPLOAD_FAILED_CODE,
142 162 
               url: '',
143 163 
               msg: obj.message
144 
-            })
164 
+            });
145 165 
           }
146 166 
         }
147 
-      }
148 
-    })
149 
-  }
167 
+      };
168 
+    });
169 
+  };
150 170 
 }
151 171
152 172 
 UploadSdk.prototype = {
153 173
154 
-  onUpdateProgress: function(subscriber){
155 
-    let isExist = this.handlers.some(function(item){
174 
+  onUpdateProgress: function onUpdateProgress(subscriber) {
175 
+    var isExist = this.handlers.some(function (item) {
156 176 
       return item == subscriber;
157 
-    })
158 
-    if(!isExist){
177 
+    });
178 
+    if (!isExist) {
159 179 
       this.handlers.push(subscriber);
160 180 
     }
161 181 
     return this;
162 182 
   },
163 
-
164 
-  emitUpdateProgress: function(data){
165 
-    this.handlers.forEach(function(fn){
166 
-      fn(data)
167 
-    })
183 
+
184 
+  emitUpdateProgress: function emitUpdateProgress(data) {
185 
+    this.handlers.forEach(function (fn) {
186 
+      fn(data);
187 
+    });
168 188 
     return this;
169 189 
   }
170 
-}
190 
+};

+ 649
- 0
package-lock.json Näytä tiedosto 

@@ -9,10 +9,659 @@
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+      "resolved": "http://registry.npm.taobao.org/globals/download/globals-9.18.0.tgz",
531 
+      "integrity": "sha1-qjiWs+abSH8X4x7SFD1pqOMMLYo=",
532 
+      "dev": true
533 
+    },
534 
+    "has-ansi": {
535 
+      "version": "2.0.0",
536 
+      "resolved": "http://registry.npm.taobao.org/has-ansi/download/has-ansi-2.0.0.tgz",
537 
+      "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
538 
+      "dev": true,
539 
+      "requires": {
540 
+        "ansi-regex": "^2.0.0"
541 
+      }
542 
+    },
543 
+    "invariant": {
544 
+      "version": "2.2.4",
545 
+      "resolved": "http://registry.npm.taobao.org/invariant/download/invariant-2.2.4.tgz",
546 
+      "integrity": "sha1-YQ88ksk1nOHbYW5TgAjSP/NRWOY=",
547 
+      "dev": true,
548 
+      "requires": {
549 
+        "loose-envify": "^1.0.0"
550 
+      }
551 
+    },
552 
+    "js-tokens": {
553 
+      "version": "3.0.2",
554 
+      "resolved": "http://registry.npm.taobao.org/js-tokens/download/js-tokens-3.0.2.tgz",
555 
+      "integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls=",
556 
+      "dev": true
557 
+    },
558 
+    "jsesc": {
559 
+      "version": "0.5.0",
560 
+      "resolved": "http://registry.npm.taobao.org/jsesc/download/jsesc-0.5.0.tgz",
561 
+      "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
562 
+      "dev": true
563 
+    },
564 
+    "lodash": {
565 
+      "version": "4.17.11",
566 
+      "resolved": "http://registry.npm.taobao.org/lodash/download/lodash-4.17.11.tgz",
567 
+      "integrity": "sha1-s56mIp72B+zYniyN8SU2iRysm40=",
568 
+      "dev": true
569 
+    },
570 
+    "loose-envify": {
571 
+      "version": "1.4.0",
572 
+      "resolved": "http://registry.npm.taobao.org/loose-envify/download/loose-envify-1.4.0.tgz",
573 
+      "integrity": "sha1-ce5R+nvkyuwaY4OffmgtgTLTDK8=",
574 
+      "dev": true,
575 
+      "requires": {
576 
+        "js-tokens": "^3.0.0 || ^4.0.0"
577 
+      }
578 
+    },
579 
+    "ms": {
580 
+      "version": "2.0.0",
581 
+      "resolved": "http://registry.npm.taobao.org/ms/download/ms-2.0.0.tgz",
582 
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
583 
+      "dev": true
584 
+    },
585 
+    "private": {
586 
+      "version": "0.1.8",
587 
+      "resolved": "http://registry.npm.taobao.org/private/download/private-0.1.8.tgz",
588 
+      "integrity": "sha1-I4Hts2ifelPWUxkAYPz4ItLzaP8=",
589 
+      "dev": true
590 
+    },
591 
+    "regenerate": {
592 
+      "version": "1.4.0",
593 
+      "resolved": "http://registry.npm.taobao.org/regenerate/download/regenerate-1.4.0.tgz",
594 
+      "integrity": "sha1-SoVuxLVuQHfFV1icroXnpMiGmhE=",
595 
+      "dev": true
596 
+    },
597 
+    "regenerator-runtime": {
598 
+      "version": "0.11.1",
599 
+      "resolved": "http://registry.npm.taobao.org/regenerator-runtime/download/regenerator-runtime-0.11.1.tgz",
600 
+      "integrity": "sha1-vgWtf5v30i4Fb5cmzuUBf78Z4uk=",
601 
+      "dev": true
602 
+    },
603 
+    "regenerator-transform": {
604 
+      "version": "0.10.1",
605 
+      "resolved": "http://registry.npm.taobao.org/regenerator-transform/download/regenerator-transform-0.10.1.tgz",
606 
+      "integrity": "sha1-HkmWg3Ix2ot/PPQRTXG1aRoGgN0=",
607 
+      "dev": true,
608 
+      "requires": {
609 
+        "babel-runtime": "^6.18.0",
610 
+        "babel-types": "^6.19.0",
611 
+        "private": "^0.1.6"
612 
+      }
613 
+    },
614 
+    "regexpu-core": {
615 
+      "version": "2.0.0",
616 
+      "resolved": "http://registry.npm.taobao.org/regexpu-core/download/regexpu-core-2.0.0.tgz",
617 
+      "integrity": "sha1-SdA4g3uNz4v6W5pCE5k45uoq4kA=",
618 
+      "dev": true,
619 
+      "requires": {
620 
+        "regenerate": "^1.2.1",
621 
+        "regjsgen": "^0.2.0",
622 
+        "regjsparser": "^0.1.4"
623 
+      }
624 
+    },
625 
+    "regjsgen": {
626 
+      "version": "0.2.0",
627 
+      "resolved": "http://registry.npm.taobao.org/regjsgen/download/regjsgen-0.2.0.tgz",
628 
+      "integrity": "sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=",
629 
+      "dev": true
630 
+    },
631 
+    "regjsparser": {
632 
+      "version": "0.1.5",
633 
+      "resolved": "http://registry.npm.taobao.org/regjsparser/download/regjsparser-0.1.5.tgz",
634 
+      "integrity": "sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=",
635 
+      "dev": true,
636 
+      "requires": {
637 
+        "jsesc": "~0.5.0"
638 
+      }
639 
+    },
12 640 
     "spark-md5": {
13 641 
       "version": "3.0.0",
14 642 
       "resolved": "http://registry.npm.taobao.org/spark-md5/download/spark-md5-3.0.0.tgz",
15 643 
       "integrity": "sha1-NyIifFTi+vJLHcbZM8wUTm9xv+8="
644 
+    },
645 
+    "strip-ansi": {
646 
+      "version": "3.0.1",
647 
+      "resolved": "http://registry.npm.taobao.org/strip-ansi/download/strip-ansi-3.0.1.tgz",
648 
+      "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
649 
+      "dev": true,
650 
+      "requires": {
651 
+        "ansi-regex": "^2.0.0"
652 
+      }
653 
+    },
654 
+    "supports-color": {
655 
+      "version": "2.0.0",
656 
+      "resolved": "http://registry.npm.taobao.org/supports-color/download/supports-color-2.0.0.tgz",
657 
+      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
658 
+      "dev": true
659 
+    },
660 
+    "to-fast-properties": {
661 
+      "version": "1.0.3",
662 
+      "resolved": "http://registry.npm.taobao.org/to-fast-properties/download/to-fast-properties-1.0.3.tgz",
663 
+      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=",
664 
+      "dev": true
16 665 
     }
17 666 
   }
18 667 
 }

+ 4
- 1
package.json Näytä tiedosto 

@@ -1,6 +1,6 @@
1 1 
 {
2 2 
   "name": "upload_sdk",
3 
-  "version": "1.0.0",
3 
+  "version": "1.0.1",
4 4 
   "description": "upload_sdk",
5 5 
   "main": "index.ts",
6 6 
   "scripts": {
 
@@ -18,5 +18,8 @@
18 18 
   "dependencies": {
19 19 
     "@types/spark-md5": "^3.0.1",
20 20 
     "spark-md5": "^3.0.0"
21 
+  },
22 
+  "devDependencies": {
23 
+    "babel-preset-es2015": "^6.24.1"
21 24 
   }
22 25 
 }

+ 52
- 0
utils.js Näytä tiedosto 

@@ -0,0 +1,52 @@
1 
+'use strict';
2 
+
3 
+Object.defineProperty(exports, "__esModule", {
4 
+    value: true
5 
+});
6 
+exports.default = getFilemd5sum;
7 
+
8 
+var _sparkMd = require('spark-md5');
9 
+
10 
+var _sparkMd2 = _interopRequireDefault(_sparkMd);
11 
+
12 
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
13 
+
14 
+function getFilemd5sum(ofile) {
15 
+    return new Promise(function (resolve, reject) {
16 
+        var file = ofile;
17 
+        var tmp_md5 = void 0;
18 
+        var blobSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice,
19 
+
20 
+        // file = this.files[0],
21 
+        chunkSize = 8097152,
22 
+            // Read in chunks of 2MB
23 
+        chunks = Math.ceil(file.size / chunkSize),
24 
+            currentChunk = 0,
25 
+            spark = new _sparkMd2.default.ArrayBuffer(),
26 
+            fileReader = new FileReader();
27 
+
28 
+        function loadNext() {
29 
+            var start = currentChunk * chunkSize,
30 
+                end = start + chunkSize >= file.size ? file.size : start + chunkSize;
31 
+            fileReader.readAsArrayBuffer(blobSlice.call(file, start, end));
32 
+        }
33 
+
34 
+        fileReader.onload = function (e) {
35 
+            spark.append(e.target.result); // Append array buffer
36 
+            currentChunk++;
37 
+
38 
+            if (currentChunk < chunks) {
39 
+                loadNext();
40 
+            } else {
41 
+                tmp_md5 = spark.end();
42 
+                resolve(tmp_md5);
43 
+            }
44 
+        };
45 
+
46 
+        fileReader.onerror = function () {
47 
+            reject('error');
48 
+        };
49 
+
50 
+        loadNext();
51 
+    });
52 
+}

+ 170
- 0
utils/index.js Näytä tiedosto 

@@ -0,0 +1,170 @@
1 
+import { Constants } from './contants'
2 
+import getFilemd5sum from './utils'
3 
+
4 
+function FileFactory(file) {
5 
+  this.offset = 0; //用于断点续传，默认为 0
6 
+  this.BYTES_PER_CHUNK = 1024 * 1024
7 
+  this.file = file
8 
+  this.fileSize = file.size
9 
+  this.fileType = (file.name.split('.')[1]).toLowerCase()
10 
+  this.chunkNum = this.BYTES_PER_CHUNK > this.fileSize ? Math.ceil(this.fileSize / this.BYTES_PER_CHUNK) : 1
11 
+  this.chunkSize = this.BYTES_PER_CHUNK > this.fileSize ? this.fileSize : this.BYTES_PER_CHUNK
12 
+}
13 
+
14 
+FileFactory.prototype.setOffset = function (offset) {
15 
+  this.offset = offset
16 
+}
17 
+
18 
+export default function UploadSdk(host, origin, token, file) {
19 
+
20 
+  this.handlers = [] //用于处理出触发事件
21 
+  this.host = host.indexOf('http:') > -1 ? 'http:'+ host: host
22 
+  this.origin = origin
23 
+  this.token = token
24 
+  this.file = file
25 
+
26 
+  this.generateMd5 = function (callback) {
27 
+    getFilemd5sum(this.file).then(result => {
28 
+      callback(result)
29 
+    })
30 
+  }
31 
+
32 
+  this.imageUploadAction = function () {
33 
+    return new Promise((resolve, reject) => {
34 
+      let fileFactory = new FileFactory(this.file)
35 
+      if (!fileFactory.fileType.match('[(jpg)|(png)|(gif)]+$')) {
36 
+        reject(Constants.IMAGE_TYPE_ERROR)
37 
+      }
38 
+      this.generateMd5((md5) => {
39 
+        this.md5 = md5
40 
+        this.postImage(this.md5, fileFactory).then(res => {
41 
+          resolve(res)
42 
+        }).catch((err) => {
43 
+          reject(err)
44 
+        })
45 
+      })
46 
+    })
47 
+  }
48 
+
49 
+  this.videoUploadAction = function () {
50 
+    return new Promise((resolve, reject) => {
51 
+      if (!this.file.type.match('[(mp4)|(rmvb)|(flv)|(mpeg)|(avi)]+$')) {
52 
+        reject(Constants.VIDOE_TYPE_ERROR)
53 
+      }
54 
+      this.postVideo().then(res => {
55 
+        resolve(res)
56 
+      }).catch((err) => {
57 
+        reject(err)
58 
+      })
59 
+    })
60 
+  }
61 
+
62 
+  this.postVideo = function () {
63 
+    const self = this
64 
+    return new Promise((resolve, reject) => {
65 
+      let xhr = new XMLHttpRequest()
66 
+      xhr.open('POST', this.host + Constants.VIDEO_MULTIPART + this.origin, true)
67 
+      xhr.withCredentials = true;
68 
+      xhr.setRequestHeader('Authorization', `Bearer ${this.token}`)
69 
+      xhr.setRequestHeader('Content-type', 'application/json')
70 
+      xhr.upload.addEventListener("progress", function updateProgress(oEvent) {
71 
+        if (oEvent.lengthComputable) {
72 
+          let percentComplete = oEvent.loaded / oEvent.total * 100;
73 
+          self.emitUpdateProgress(percentComplete)
74 
+        }
75 
+      }, false)
76 
+      let fd = new FormData()
77 
+      fd.append('file', this.file)
78 
+      fd.append('code_rate', 'ld,sd,hd')
79 
+      xhr.send(fd)
80 
+      xhr.onreadystatechange = function () {
81 
+        if (xhr.readyState === 4) {
82 
+          let obj = JSON.parse(xhr.responseText)
83 
+          if (xhr.status === 304 || (xhr.status >= 200 && xhr.status < 300)) {
84 
+            resolve({
85 
+              code: Constants.UPLOAD_SUCCESS_CODE,
86 
+              url: obj.url,
87 
+              msg: 'success'
88 
+            })
89 
+          } else {
90 
+            reject({
91 
+              code: Constants.UPLOAD_FAILED_CODE,
92 
+              url: '',
93 
+              msg: obj.message
94 
+            })
95 
+          }
96 
+        }
97 
+      }
98 
+    })
99 
+  }
100 
+
101 
+  this.postImage = function (md5, fileFactory) {
102 
+    const self = this
103 
+    return new Promise((resolve, reject) => {
104 
+      let xhr = new XMLHttpRequest()
105 
+      xhr.upload.addEventListener("progress", function updateProgress(oEvent) {
106 
+        if (oEvent.lengthComputable) {
107 
+          let percentComplete = oEvent.loaded / oEvent.total * 100;
108 
+          self.emitUpdateProgress(percentComplete)
109 
+        }
110 
+      }, false)
111 
+      xhr.open('POSt', this.host + Constants.IMAGE_MULTIPART + this.origin, true)
112 
+      xhr.withCredentials = true
113 
+      xhr.setRequestHeader('Authorization', `Bearer ${this.token}`)
114 
+      xhr.setRequestHeader('X-Upload-File-Size', fileFactory.fileSize)
115 
+      xhr.setRequestHeader('X-Upload-Chunk-Index', 1 + '')
116 
+      xhr.setRequestHeader('X-Upload-Chunk-Num', fileFactory.chunkNum)
117 
+      xhr.setRequestHeader('X-Upload-Chunk-Size', fileFactory.chunkSize)
118 
+      xhr.setRequestHeader('X-Upload-Offset', fileFactory.offset + '')
119 
+      xhr.setRequestHeader('X-Upload-File-Md5', md5)
120 
+      xhr.setRequestHeader('X-Upload-File-Type', fileFactory.fileType)
121 
+      let fd = new FormData()
122 
+      fd.append('file', this.file)
123 
+      xhr.send(fd)
124 
+      xhr.onreadystatechange = function () {
125 
+        if (xhr.readyState === 4) {
126 
+          let obj = JSON.parse(xhr.responseText)
127 
+          if (xhr.status === 304 || (xhr.status >= 200 && xhr.status < 300)) {
128 
+
129 
+            if (obj.status === 1) {
130 
+              resolve({
131 
+                code: Constants.UPLOAD_SUCCESS_CODE,
132 
+                url: obj.url,
133 
+                msg: 'success'
134 
+              })
135 
+            } else if (obj.status === 0) {
136 
+              fileFactory.setOffset(obj.msg)
137 
+              this.getAllResponseHeaders.postImage(md5, fileFactory)
138 
+            }
139 
+          } else {
140 
+            reject({
141 
+              code: Constants.UPLOAD_FAILED_CODE,
142 
+              url: '',
143 
+              msg: obj.message
144 
+            })
145 
+          }
146 
+        }
147 
+      }
148 
+    })
149 
+  }
150 
+}
151 
+
152 
+UploadSdk.prototype = {
153 
+
154 
+  onUpdateProgress: function(subscriber){
155 
+    let isExist = this.handlers.some(function(item){
156 
+      return item == subscriber;
157 
+    })
158 
+    if(!isExist){
159 
+      this.handlers.push(subscriber);
160 
+    }
161 
+    return this;
162 
+  },
163 
+
164 
+  emitUpdateProgress: function(data){
165 
+    this.handlers.forEach(function(fn){
166 
+      fn(data)
167 
+    })
168 
+    return this;
169 
+  }
170 
+}