frontend/js/app.js

   1 (function () {
   2 'use strict';
   3
   4 // poor man's async
   5 function asyncForEach(items, handler, callback) {
   6     var cur = 0;
   7
   8     if (items.length === 0) return callback();
   9
  10     (function iterator() {
  11         handler(items[cur], function (error) {
  12             if (error) return callback(error);
  13             if (cur >= items.length-1) return callback();
  14             ++cur;
  15
  16             iterator();
  17         });
  18     })();
  19 }
  20
  21 function getProfile(accessToken, callback) {
  22     superagent.get('/api/profile').query({ access_token: accessToken }).end(function (error, result) {
  23         app.ready = true;
  24
  25         if (error && !error.response) return callback(error);
  26         if (result.statusCode !== 200) {
  27             delete localStorage.accessToken;
  28             return callback('Invalid access token');
  29         }
  30
  31         localStorage.accessToken = accessToken;
  32         app.session.username = result.body.username;
  33         app.session.valid = true;
  34
  35         superagent.get('/api/settings').query({ access_token: localStorage.accessToken }).end(function (error, result) {
  36             if (error) console.error(error);
  37
  38             app.folderListingEnabled = !!result.body.folderListingEnabled;
  39
  40             callback();
  41         });
  42     });
  43 }
  44
  45 function sanitize(filePath) {
  46     filePath = '/' + filePath;
  47     return filePath.replace(/\/+/g, '/');
  48 }
  49
  50 function encode(filePath) {
  51     return filePath.split('/').map(encodeURIComponent).join('/');
  52 }
  53
  54 function decode(filePath) {
  55     return filePath.split('/').map(decodeURIComponent).join('/');
  56 }
  57
  58 var mimeTypes = {
  59     images: [ '.png', '.jpg', '.jpeg', '.tiff', '.gif' ],
  60     text: [ '.txt', '.md' ],
  61     pdf: [ '.pdf' ],
  62     html: [ '.html', '.htm', '.php' ],
  63     video: [ '.mp4', '.mpg', '.mpeg', '.ogg', '.mkv' ]
  64 };
  65
  66 function getPreviewUrl(entry, basePath) {
  67     var path = '/_admin/img/';
  68
  69     if (entry.isDirectory) return path + 'directory.png';
  70     if (mimeTypes.images.some(function (e) { return entry.filePath.endsWith(e); })) return sanitize(basePath + '/' + entry.filePath);
  71     if (mimeTypes.text.some(function (e) { return entry.filePath.endsWith(e); })) return path +'text.png';
  72     if (mimeTypes.pdf.some(function (e) { return entry.filePath.endsWith(e); })) return path + 'pdf.png';
  73     if (mimeTypes.html.some(function (e) { return entry.filePath.endsWith(e); })) return path + 'html.png';
  74     if (mimeTypes.video.some(function (e) { return entry.filePath.endsWith(e); })) return path + 'video.png';
  75
  76     return path + 'unknown.png';
  77 }
  78
  79 // simple extension detection, does not work with double extension like .tar.gz
  80 function getExtension(entry) {
  81     if (entry.isFile) return entry.filePath.slice(entry.filePath.lastIndexOf('.') + 1);
  82     return '';
  83 }
  84
  85 function refresh() {
  86     loadDirectory(app.path);
  87 }
  88
  89 function loadDirectory(filePath) {
  90     app.busy = true;
  91
  92     filePath = filePath ? sanitize(filePath) : '/';
  93
  94     superagent.get('/api/files/' + encode(filePath)).query({ access_token: localStorage.accessToken }).end(function (error, result) {
  95         app.busy = false;
  96
  97         if (result && result.statusCode === 401) return logout();
  98         if (error) return console.error(error);
  99
 100         result.body.entries.sort(function (a, b) { return a.isDirectory && b.isFile ? -1 : 1; });
 101         app.entries = result.body.entries.map(function (entry) {
 102             entry.previewUrl = getPreviewUrl(entry, filePath);
 103             entry.extension = getExtension(entry);
 104             return entry;
 105         });
 106         app.path = filePath;
 107         app.pathParts = decode(filePath).split('/').filter(function (e) { return !!e; }).map(function (e, i, a) {
 108             return {
 109                 name: e,
 110                 link: '#' + sanitize('/' + a.slice(0, i).join('/') + '/' + e)
 111             };
 112         });
 113
 114         // update in case this was triggered from code
 115         window.location.hash = app.path;
 116     });
 117 }
 118
 119 function open(row, event, column) {
 120     var path = sanitize(app.path + '/' + row.filePath);
 121
 122     if (row.isDirectory) {
 123         window.location.hash = path;
 124         return;
 125     }
 126
 127     window.open(encode(path));
 128 }
 129
 130 function uploadFiles(files) {
 131     if (!files || !files.length) return;
 132
 133     app.uploadStatus.busy = true;
 134     app.uploadStatus.count = files.length;
 135     app.uploadStatus.done = 0;
 136     app.uploadStatus.percentDone = 0;
 137
 138     asyncForEach(files, function (file, callback) {
 139         // do not handle directories (file.type is empty in such a case)
 140         if (file.type === '') return callback();
 141
 142         var path = encode(sanitize(app.path + '/' + (file.webkitRelativePath || file.name)));
 143
 144         var formData = new FormData();
 145         formData.append('file', file);
 146
 147         superagent.post('/api/files' + path).query({ access_token: localStorage.accessToken }).send(formData).end(function (error, result) {
 148             if (result && result.statusCode === 401) return logout();
 149             if (result && result.statusCode !== 201) return callback('Error uploading file: ', result.statusCode);
 150             if (error) return callback(error);
 151
 152             app.uploadStatus.done += 1;
 153             app.uploadStatus.percentDone = Math.round(app.uploadStatus.done / app.uploadStatus.count * 100);
 154
 155             callback();
 156         });
 157     }, function (error) {
 158         if (error) console.error(error);
 159
 160         app.uploadStatus.busy = false;
 161         app.uploadStatus.count = 0;
 162         app.uploadStatus.done = 0;
 163         app.uploadStatus.percentDone = 100;
 164
 165         refresh();
 166     });
 167 }
 168
 169 function dragOver(event) {
 170     event.stopPropagation();
 171     event.preventDefault();
 172     event.dataTransfer.dropEffect = 'copy';
 173 }
 174
 175 function drop(event) {
 176     event.stopPropagation();
 177     event.preventDefault();
 178     uploadFiles(event.dataTransfer.files || []);
 179 }
 180
 181 var app = new Vue({
 182     el: '#app',
 183     data: {
 184         ready: false,
 185         busy: false,
 186         uploadStatus: {
 187             busy: false,
 188             count: 0,
 189             done: 0,
 190             percentDone: 50
 191         },
 192         path: '/',
 193         pathParts: [],
 194         session: {
 195             valid: false
 196         },
 197         folderListingEnabled: false,
 198         loginData: {
 199             username: '',
 200             password: '',
 201             busy: false
 202         },
 203         entries: []
 204     },
 205     methods: {
 206         onLogin: function () {
 207             var that = this;
 208
 209             that.loginData.busy = true;
 210
 211             superagent.post('/api/login').send({ username: that.loginData.username, password: that.loginData.password }).end(function (error, result) {
 212                 that.loginData.busy = false;
 213
 214                 if (error && !result) return that.$message.error(error.message);
 215                 if (result.statusCode === 401) return that.$message.error('Wrong username or password');
 216
 217                 getProfile(result.body.accessToken, function (error) {
 218                     if (error) return console.error(error);
 219
 220                     loadDirectory(window.location.hash.slice(1));
 221                 });
 222             });
 223         },
 224         onOptionsMenu: function (command) {
 225             var that = this;
 226
 227             if (command === 'folderListing') {
 228                 superagent.put('/api/settings').send({ folderListingEnabled: this.folderListingEnabled }).query({ access_token: localStorage.accessToken }).end(function (error) {
 229                     if (error) console.error(error);
 230                 });
 231             } else if (command === 'about') {
 232                 this.$msgbox({
 233                     title: 'About Surfer',
 234                     message: 'Surfer is a static file server written by <a href="https://cloudron.io" target="_blank">Cloudron</a>.<br/><br/>The source code is licensed under MIT and available <a href="https://git.cloudron.io/cloudron/surfer" target="_blank">here</a>.',
 235                     dangerouslyUseHTMLString: true,
 236                     confirmButtonText: 'OK',
 237                     showCancelButton: false,
 238                     type: 'info',
 239                     center: true
 240                   }).then(function () {}).catch(function () {});
 241             } else if (command === 'logout') {
 242                 superagent.post('/api/logout').query({ access_token: localStorage.accessToken }).end(function (error) {
 243                     if (error) console.error(error);
 244
 245                     that.session.valid = false;
 246
 247                     delete localStorage.accessToken;
 248                 });
 249             }
 250         },
 251         onDownload: function (entry) {
 252             if (entry.isDirectory) return;
 253             window.location.href = encode('/api/files/' + sanitize(this.path + '/' + entry.filePath)) + '?access_token=' + localStorage.accessToken;
 254         },
 255         onUpload: function () {
 256             var that = this;
 257
 258             $(this.$refs.upload).on('change', function () {
 259
 260                 // detach event handler
 261                 $(that.$refs.upload).off('change');
 262
 263                 uploadFiles(that.$refs.upload.files || []);
 264             });
 265
 266             // reset the form first to make the change handler retrigger even on the same file selected
 267             this.$refs.upload.value = '';
 268             this.$refs.upload.click();
 269         },
 270         onDelete: function (entry) {
 271             var that = this;
 272
 273             var title = 'Really delete ' + (entry.isDirectory ? 'folder ' : '') + entry.filePath;
 274             this.$confirm('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No' }).then(function () {
 275                 var path = encode(sanitize(that.path + '/' + entry.filePath));
 276
 277                 superagent.del('/api/files' + path).query({ access_token: localStorage.accessToken, recursive: true }).end(function (error, result) {
 278                     if (result && result.statusCode === 401) return logout();
 279                     if (result && result.statusCode !== 200) return that.$message.error('Error deleting file: ' + result.statusCode);
 280                     if (error) return that.$message.error(error.message);
 281
 282                     refresh();
 283                 });
 284             }).catch(function () {});
 285         },
 286         onRename: function (entry) {
 287             var that = this;
 288
 289             var title = 'Rename ' + entry.filePath;
 290             this.$prompt('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No', inputPlaceholder: 'new filename', inputValue: entry.filePath }).then(function (data) {
 291                 var path = encode(sanitize(that.path + '/' + entry.filePath));
 292                 var newFilePath = sanitize(that.path + '/' + data.value);
 293
 294                 superagent.put('/api/files' + path).query({ access_token: localStorage.accessToken }).send({ newFilePath: newFilePath }).end(function (error, result) {
 295                     if (result && result.statusCode === 401) return logout();
 296                     if (result && result.statusCode !== 200) return that.$message.error('Error renaming file: ' + result.statusCode);
 297                     if (error) return that.$message.error(error.message);
 298
 299                     refresh();
 300                 });
 301             }).catch(function () {});
 302         },
 303         onNewFolder: function () {
 304             var that = this;
 305
 306             var title = 'Create New Folder';
 307             this.$prompt('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No', inputPlaceholder: 'new foldername' }).then(function (data) {
 308                 var path = encode(sanitize(that.path + '/' + data.value));
 309
 310                 superagent.post('/api/files' + path).query({ access_token: localStorage.accessToken, directory: true }).end(function (error, result) {
 311                     if (result && result.statusCode === 401) return logout();
 312                     if (result && result.statusCode === 403) return that.$message.error('Folder name not allowed');
 313                     if (result && result.statusCode === 409) return that.$message.error('Folder already exists');
 314                     if (result && result.statusCode !== 201) return that.$message.error('Error creating folder: ' + result.statusCode);
 315                     if (error) return that.$message.error(error.message);
 316
 317                     refresh();
 318                 });
 319             }).catch(function () {});
 320         },
 321         prettyDate: function (row, column, cellValue, index) {
 322             var date = new Date(cellValue),
 323             diff = (((new Date()).getTime() - date.getTime()) / 1000),
 324             day_diff = Math.floor(diff / 86400);
 325
 326             if (isNaN(day_diff) || day_diff < 0)
 327                 return;
 328
 329             return day_diff === 0 && (
 330                 diff < 60 && 'just now' ||
 331                 diff < 120 && '1 minute ago' ||
 332                 diff < 3600 && Math.floor( diff / 60 ) + ' minutes ago' ||
 333                 diff < 7200 && '1 hour ago' ||
 334                 diff < 86400 && Math.floor( diff / 3600 ) + ' hours ago') ||
 335                 day_diff === 1 && 'Yesterday' ||
 336                 day_diff < 7 && day_diff + ' days ago' ||
 337                 day_diff < 31 && Math.ceil( day_diff / 7 ) + ' weeks ago' ||
 338                 day_diff < 365 && Math.round( day_diff / 30 ) +  ' months ago' ||
 339                 Math.round( day_diff / 365 ) + ' years ago';
 340         },
 341         prettyFileSize: function (row, column, cellValue, index) {
 342             return filesize(cellValue);
 343         },
 344         loadDirectory: loadDirectory,
 345         onUp: function () {
 346             window.location.hash = sanitize(this.path.split('/').slice(0, -1).filter(function (p) { return !!p; }).join('/'));
 347         },
 348         open: open,
 349         drop: drop,
 350         dragOver: dragOver
 351     }
 352 });
 353
 354 getProfile(localStorage.accessToken, function (error) {
 355     if (error) return console.error(error);
 356
 357     loadDirectory(window.location.hash.slice(1));
 358 });
 359
 360 $(window).on('hashchange', function () {
 361     loadDirectory(window.location.hash.slice(1));
 362 });
 363
 364 })();