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1 | 1 | var EventEmitter = require('events').EventEmitter,
|
2 |
| - path = require('path'), |
3 |
| - fs = require('fs'), |
4 |
| - formidable = require('formidable'), |
5 |
| - imageMagick = require('imagemagick'), |
6 |
| - mkdirp = require('mkdirp'), |
7 |
| - _ = require('lodash'); |
| 2 | + path = require('path'), |
| 3 | + fs = require('fs'), |
| 4 | + formidable = require('formidable'), |
| 5 | + imageMagick = require('imagemagick'), |
| 6 | + mkdirp = require('mkdirp'), |
| 7 | + _ = require('lodash'); |
8 | 8 |
|
9 | 9 | module.exports = function (options) {
|
10 | 10 |
|
11 |
| - var FileInfo = require('./fileinfo')( |
12 |
| - _.extend({ |
13 |
| - baseDir: options.uploadDir |
14 |
| - }, _.pick(options, 'minFileSize', 'maxFileSize', 'acceptFileTypes')) |
15 |
| - ); |
16 |
| - |
17 |
| - var UploadHandler = function (req, res, callback) { |
18 |
| - EventEmitter.call(this); |
19 |
| - this.req = req; |
20 |
| - this.res = res; |
21 |
| - this.callback = callback; |
22 |
| - }; |
23 |
| - require('util').inherits(UploadHandler, EventEmitter); |
24 |
| - |
25 |
| - UploadHandler.prototype.noCache = function () { |
26 |
| - this.res.set({ |
27 |
| - 'Pragma': 'no-cache', |
28 |
| - 'Cache-Control': 'no-store, no-cache, must-revalidate', |
29 |
| - 'Content-Disposition': 'inline; filename="files.json"' |
30 |
| - }); |
31 |
| - }; |
32 |
| - |
33 |
| - UploadHandler.prototype.get = function () { |
34 |
| - this.noCache(); |
35 |
| - var files = []; |
36 |
| - fs.readdir(options.uploadDir(), _.bind(function (err, list) { |
37 |
| - _.each(list, function (name) { |
38 |
| - var stats = fs.statSync(options.uploadDir() + '/' + name), |
39 |
| - fileInfo; |
40 |
| - if (stats.isFile()) { |
41 |
| - fileInfo = new FileInfo({ |
42 |
| - name: name, |
43 |
| - size: stats.size |
44 |
| - }); |
45 |
| - this.initUrls(fileInfo); |
46 |
| - files.push(fileInfo); |
47 |
| - } |
48 |
| - }, this); |
49 |
| - this.callback({files: files}); |
50 |
| - }, this)); |
51 |
| - }; |
52 |
| - |
53 |
| - UploadHandler.prototype.post = function () { |
54 |
| - var self = this, |
55 |
| - form = new formidable.IncomingForm(), |
56 |
| - tmpFiles = [], |
57 |
| - files = [], |
58 |
| - map = {}, |
59 |
| - counter = 1, |
60 |
| - redirect, |
61 |
| - finish = _.bind(function () { |
62 |
| - if (!--counter) { |
63 |
| - _.each(files, function (fileInfo) { |
64 |
| - this.initUrls(fileInfo); |
65 |
| - fileInfo = _.extend(fileInfo, self.req.fields); |
66 |
| - this.emit('end', fileInfo); |
67 |
| - }, this); |
68 |
| - this.callback({files: files}, redirect); |
69 |
| - } |
70 |
| - }, this); |
71 |
| - |
72 |
| - this.noCache(); |
73 |
| - |
74 |
| - form.uploadDir = options.tmpDir; |
75 |
| - form |
76 |
| - .on('fileBegin', function (name, file) { |
77 |
| - tmpFiles.push(file.path); |
78 |
| - var fileInfo = new FileInfo(file); |
79 |
| - fileInfo.safeName(); |
80 |
| - map[path.basename(file.path)] = fileInfo; |
81 |
| - files.push(fileInfo); |
82 |
| - self.emit('begin', fileInfo); |
83 |
| - }) |
84 |
| - .on('field', function (name, value) { |
85 |
| - if (name === 'redirect') { |
86 |
| - redirect = value; |
87 |
| - } |
88 |
| - if ( !self.req.fields ) |
89 |
| - self.req.fields = {}; |
90 |
| - self.req.fields[name] = value; |
91 |
| - }) |
92 |
| - .on('file', function (name, file) { |
93 |
| - var fileInfo = map[path.basename(file.path)]; |
94 |
| - if (fs.existsSync(file.path)) { |
95 |
| - fileInfo.size = file.size; |
96 |
| - if (!fileInfo.validate()) { |
97 |
| - fs.unlink(file.path); |
98 |
| - return; |
99 |
| - } |
100 |
| - |
101 |
| - var generatePreviews = function () { |
102 |
| - if (options.imageTypes.test(fileInfo.name)) { |
103 |
| - _.each(options.imageVersions, function (value, version) { |
104 |
| - // creating directory recursive |
105 |
| - if (!fs.existsSync(options.uploadDir() + '/' + version + '/')) |
106 |
| - mkdirp.sync(options.uploadDir() + '/' + version + '/'); |
107 |
| - |
108 |
| - counter++; |
109 |
| - var opts = options.imageVersions[version]; |
110 |
| - imageMagick.resize({ |
111 |
| - width: opts.width, |
112 |
| - height: opts.height, |
113 |
| - srcPath: options.uploadDir() + '/' + fileInfo.name, |
114 |
| - dstPath: options.uploadDir() + '/' + version + '/' + fileInfo.name, |
115 |
| - customArgs: opts.imageArgs || ['-auto-orient'] |
116 |
| - }, finish); |
117 |
| - }); |
118 |
| - } |
119 |
| - } |
120 |
| - |
121 |
| - if (!fs.existsSync(options.uploadDir() + '/')) |
122 |
| - mkdirp.sync(options.uploadDir() + '/'); |
123 |
| - |
124 |
| - counter++; |
125 |
| - fs.rename(file.path, options.uploadDir() + '/' + fileInfo.name, function (err) { |
126 |
| - if (!err) { |
127 |
| - generatePreviews(); |
128 |
| - finish(); |
129 |
| - } else { |
130 |
| - var is = fs.createReadStream(file.path); |
131 |
| - var os = fs.createWriteStream(options.uploadDir() + '/' + fileInfo.name); |
132 |
| - is.on('end', function (err) { |
133 |
| - if (!err) { |
134 |
| - fs.unlinkSync(file.path); |
135 |
| - generatePreviews(); |
136 |
| - } |
137 |
| - finish(); |
138 |
| - }); |
139 |
| - is.pipe(os); |
140 |
| - } |
141 |
| - }); |
142 |
| - } |
143 |
| - }) |
144 |
| - .on('aborted', function () { |
145 |
| - _.each(tmpFiles, function (file) { |
146 |
| - var fileInfo = map[path.basename(file)]; |
147 |
| - self.emit('abort', fileInfo); |
148 |
| - fs.unlink(file); |
149 |
| - }); |
150 |
| - }) |
151 |
| - .on('error', function (e) { |
152 |
| - self.emit('error', e); |
153 |
| - }) |
154 |
| - .on('progress', function (bytesReceived, bytesExpected) { |
155 |
| - if (bytesReceived > options.maxPostSize) |
156 |
| - self.req.connection.destroy(); |
157 |
| - }) |
158 |
| - .on('end', finish) |
159 |
| - .parse(self.req); |
160 |
| - }; |
161 |
| - |
162 |
| - UploadHandler.prototype.destroy = function () { |
163 |
| - var self = this, |
164 |
| - fileName = path.basename(decodeURIComponent(this.req.url)); |
165 |
| - |
166 |
| - fs.unlink(options.uploadDir() + '/' + fileName, function (ex) { |
167 |
| - _.each(options.imageVersions, function (value, version) { |
168 |
| - fs.unlink(options.uploadDir() + '/' + version + '/' + fileName); |
169 |
| - }); |
170 |
| - self.emit('delete', fileName); |
171 |
| - self.callback({success: !ex}); |
172 |
| - }); |
173 |
| - }; |
174 |
| - |
175 |
| - UploadHandler.prototype.initUrls = function (fileInfo) { |
176 |
| - var baseUrl = (options.ssl ? 'https:' : 'http:') + '//' + (options.hostname || this.req.get('Host')); |
177 |
| - fileInfo.setUrl(null, baseUrl + options.uploadUrl()); |
178 |
| - fileInfo.setUrl('delete', baseUrl + this.req.originalUrl); |
179 |
| - _.each(options.imageVersions, function (value, version) { |
180 |
| - if (fs.existsSync(options.uploadDir() + '/' + version + '/' + fileInfo.name)) { |
181 |
| - fileInfo.setUrl(version, baseUrl + options.uploadUrl() + '/' + version); |
182 |
| - } |
183 |
| - }, this); |
184 |
| - }; |
185 |
| - |
186 |
| - return UploadHandler; |
| 11 | + var FileInfo = require('./fileinfo')( |
| 12 | + _.extend({ |
| 13 | + baseDir: options.uploadDir |
| 14 | + }, _.pick(options, 'minFileSize', 'maxFileSize', 'acceptFileTypes')) |
| 15 | + ); |
| 16 | + |
| 17 | + var UploadHandler = function (req, res, callback) { |
| 18 | + EventEmitter.call(this); |
| 19 | + this.req = req; |
| 20 | + this.res = res; |
| 21 | + this.callback = callback; |
| 22 | + }; |
| 23 | + require('util').inherits(UploadHandler, EventEmitter); |
| 24 | + |
| 25 | + UploadHandler.prototype.noCache = function () { |
| 26 | + this.res.set({ |
| 27 | + 'Pragma': 'no-cache', |
| 28 | + 'Cache-Control': 'no-store, no-cache, must-revalidate', |
| 29 | + 'Content-Disposition': 'inline; filename="files.json"' |
| 30 | + }); |
| 31 | + }; |
| 32 | + |
| 33 | + UploadHandler.prototype.get = function () { |
| 34 | + this.noCache(); |
| 35 | + var files = []; |
| 36 | + fs.readdir(options.uploadDir(), _.bind(function (err, list) { |
| 37 | + _.each(list, function (name) { |
| 38 | + var stats = fs.statSync(options.uploadDir() + '/' + name), |
| 39 | + fileInfo; |
| 40 | + if (stats.isFile()) { |
| 41 | + fileInfo = new FileInfo({ |
| 42 | + name: name, |
| 43 | + size: stats.size |
| 44 | + }); |
| 45 | + this.initUrls(fileInfo); |
| 46 | + files.push(fileInfo); |
| 47 | + } |
| 48 | + }, this); |
| 49 | + this.callback({files: files}); |
| 50 | + }, this)); |
| 51 | + }; |
| 52 | + |
| 53 | + UploadHandler.prototype.post = function () { |
| 54 | + var self = this, |
| 55 | + form = new formidable.IncomingForm(), |
| 56 | + tmpFiles = [], |
| 57 | + files = [], |
| 58 | + map = {}, |
| 59 | + counter = 1, |
| 60 | + redirect, |
| 61 | + finish = _.bind(function () { |
| 62 | + if (!--counter) { |
| 63 | + _.each(files, function (fileInfo) { |
| 64 | + this.initUrls(fileInfo); |
| 65 | + fileInfo = _.extend(fileInfo, self.req.fields); |
| 66 | + this.emit('end', fileInfo); |
| 67 | + }, this); |
| 68 | + this.callback({files: files}, redirect); |
| 69 | + } |
| 70 | + }, this); |
| 71 | + |
| 72 | + this.noCache(); |
| 73 | + |
| 74 | + form.uploadDir = options.tmpDir; |
| 75 | + form |
| 76 | + .on('fileBegin', function (name, file) { |
| 77 | + tmpFiles.push(file.path); |
| 78 | + var fileInfo = new FileInfo(file); |
| 79 | + fileInfo.safeName(); |
| 80 | + map[path.basename(file.path)] = fileInfo; |
| 81 | + files.push(fileInfo); |
| 82 | + self.emit('begin', fileInfo); |
| 83 | + }) |
| 84 | + .on('field', function (name, value) { |
| 85 | + if (name === 'redirect') { |
| 86 | + redirect = value; |
| 87 | + } |
| 88 | + if ( !self.req.fields ) |
| 89 | + self.req.fields = {}; |
| 90 | + self.req.fields[name] = value; |
| 91 | + }) |
| 92 | + .on('file', function (name, file) { |
| 93 | + var fileInfo = map[path.basename(file.path)]; |
| 94 | + if (fs.existsSync(file.path)) { |
| 95 | + fileInfo.size = file.size; |
| 96 | + if (!fileInfo.validate()) { |
| 97 | + fs.unlink(file.path); |
| 98 | + return; |
| 99 | + } |
| 100 | + |
| 101 | + var generatePreviews = function () { |
| 102 | + if (options.imageTypes.test(fileInfo.name)) { |
| 103 | + _.each(options.imageVersions, function (value, version) { |
| 104 | + // creating directory recursive |
| 105 | + if (!fs.existsSync(options.uploadDir() + '/' + version + '/')) |
| 106 | + mkdirp.sync(options.uploadDir() + '/' + version + '/'); |
| 107 | + |
| 108 | + counter++; |
| 109 | + var opts = options.imageVersions[version]; |
| 110 | + imageMagick.resize({ |
| 111 | + width: opts.width, |
| 112 | + height: opts.height, |
| 113 | + srcPath: options.uploadDir() + '/' + fileInfo.name, |
| 114 | + dstPath: options.uploadDir() + '/' + version + '/' + fileInfo.name, |
| 115 | + customArgs: opts.imageArgs || ['-auto-orient'] |
| 116 | + }, finish); |
| 117 | + }); |
| 118 | + } |
| 119 | + } |
| 120 | + |
| 121 | + if (!fs.existsSync(options.uploadDir() + '/')) |
| 122 | + mkdirp.sync(options.uploadDir() + '/'); |
| 123 | + |
| 124 | + counter++; |
| 125 | + fs.rename(file.path, options.uploadDir() + '/' + fileInfo.name, function (err) { |
| 126 | + if (!err) { |
| 127 | + generatePreviews(); |
| 128 | + finish(); |
| 129 | + } else { |
| 130 | + var is = fs.createReadStream(file.path); |
| 131 | + var os = fs.createWriteStream(options.uploadDir() + '/' + fileInfo.name); |
| 132 | + is.on('end', function (err) { |
| 133 | + if (!err) { |
| 134 | + fs.unlinkSync(file.path); |
| 135 | + generatePreviews(); |
| 136 | + } |
| 137 | + finish(); |
| 138 | + }); |
| 139 | + is.pipe(os); |
| 140 | + } |
| 141 | + }); |
| 142 | + } |
| 143 | + }) |
| 144 | + .on('aborted', function () { |
| 145 | + _.each(tmpFiles, function (file) { |
| 146 | + var fileInfo = map[path.basename(file)]; |
| 147 | + self.emit('abort', fileInfo); |
| 148 | + fs.unlink(file); |
| 149 | + }); |
| 150 | + }) |
| 151 | + .on('error', function (e) { |
| 152 | + self.emit('error', e); |
| 153 | + }) |
| 154 | + .on('progress', function (bytesReceived, bytesExpected) { |
| 155 | + if (bytesReceived > options.maxPostSize) |
| 156 | + self.req.connection.destroy(); |
| 157 | + }) |
| 158 | + .on('end', finish) |
| 159 | + .parse(self.req); |
| 160 | + }; |
| 161 | + |
| 162 | + UploadHandler.prototype.destroy = function () { |
| 163 | + var self = this, |
| 164 | + fileName = path.basename(decodeURIComponent(this.req.url)); |
| 165 | + |
| 166 | + fs.unlink(options.uploadDir() + '/' + fileName, function (ex) { |
| 167 | + _.each(options.imageVersions, function (value, version) { |
| 168 | + fs.unlink(options.uploadDir() + '/' + version + '/' + fileName); |
| 169 | + }); |
| 170 | + self.emit('delete', fileName); |
| 171 | + self.callback({success: !ex}); |
| 172 | + }); |
| 173 | + }; |
| 174 | + |
| 175 | + UploadHandler.prototype.initUrls = function (fileInfo) { |
| 176 | + var baseUrl = (options.ssl ? 'https:' : 'http:') + '//' + (options.hostname || this.req.get('Host')); |
| 177 | + fileInfo.setUrl(null, baseUrl + options.uploadUrl()); |
| 178 | + fileInfo.setUrl('delete', baseUrl + this.req.originalUrl); |
| 179 | + _.each(options.imageVersions, function (value, version) { |
| 180 | + if (fs.existsSync(options.uploadDir() + '/' + version + '/' + fileInfo.name)) { |
| 181 | + fileInfo.setUrl(version, baseUrl + options.uploadUrl() + '/' + version); |
| 182 | + } |
| 183 | + }, this); |
| 184 | + }; |
| 185 | + |
| 186 | + return UploadHandler; |
187 | 187 | }
|
188 | 188 |
|
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