frontend/js/app.js

   1 (function () {
   2 'use strict';
   3
   4 /* global superagent */
   5 /* global Vue */
   6 /* global $ */
   7 /* global filesize */
   8
   9 // poor man's async
  10 function asyncForEach(items, handler, callback) {
  11     var cur = 0;
  12
  13     if (items.length === 0) return callback();
  14
  15     (function iterator() {
  16         handler(items[cur], function (error) {
  17             if (error) return callback(error);
  18             if (cur >= items.length-1) return callback();
  19             ++cur;
  20
  21             iterator();
  22         });
  23     })();
  24 }
  25
  26 function initWithToken(accessToken) {
  27     superagent.get('/api/profile').query({ access_token: accessToken }).end(function (error, result) {
  28         app.ready = true;
  29
  30         if (error && !error.response) return console.error(error);
  31         if (result.statusCode !== 200) {
  32             delete localStorage.accessToken;
  33             return;
  34         }
  35
  36         localStorage.accessToken = accessToken;
  37         app.session.username = result.body.username;
  38         app.session.valid = true;
  39
  40         superagent.get('/api/settings').query({ access_token: localStorage.accessToken }).end(function (error, result) {
  41             if (error) console.error(error);
  42
  43             app.folderListingEnabled = !!result.body.folderListingEnabled;
  44
  45             loadDirectory(decode(window.location.hash.slice(1)));
  46
  47             app.refreshAccessTokens();
  48         });
  49     });
  50 }
  51
  52 function sanitize(filePath) {
  53     filePath = '/' + filePath;
  54     return filePath.replace(/\/+/g, '/');
  55 }
  56
  57 function encode(filePath) {
  58     return filePath.split('/').map(encodeURIComponent).join('/');
  59 }
  60
  61 function decode(filePath) {
  62     return filePath.split('/').map(decodeURIComponent).join('/');
  63 }
  64
  65 var mimeTypes = {
  66     images: [ '.png', '.jpg', '.jpeg', '.tiff', '.gif' ],
  67     text: [ '.txt', '.md' ],
  68     pdf: [ '.pdf' ],
  69     html: [ '.html', '.htm', '.php' ],
  70     video: [ '.mp4', '.mpg', '.mpeg', '.ogg', '.mkv', '.avi', '.mov' ]
  71 };
  72
  73 function getPreviewUrl(entry, basePath) {
  74     var path = '/_admin/img/';
  75
  76     if (entry.isDirectory) return path + 'directory.png';
  77     if (mimeTypes.images.some(function (e) { return entry.filePath.endsWith(e); })) return sanitize(basePath + '/' + entry.filePath);
  78     if (mimeTypes.text.some(function (e) { return entry.filePath.endsWith(e); })) return path +'text.png';
  79     if (mimeTypes.pdf.some(function (e) { return entry.filePath.endsWith(e); })) return path + 'pdf.png';
  80     if (mimeTypes.html.some(function (e) { return entry.filePath.endsWith(e); })) return path + 'html.png';
  81     if (mimeTypes.video.some(function (e) { return entry.filePath.endsWith(e); })) return path + 'video.png';
  82
  83     return path + 'unknown.png';
  84 }
  85
  86 // simple extension detection, does not work with double extension like .tar.gz
  87 function getExtension(entry) {
  88     if (entry.isFile) return entry.filePath.slice(entry.filePath.lastIndexOf('.') + 1);
  89     return '';
  90 }
  91
  92 function refresh() {
  93     loadDirectory(app.path);
  94 }
  95
  96 function logout() {
  97     superagent.post('/api/logout').query({ access_token: localStorage.accessToken }).end(function (error) {
  98         if (error) console.error(error);
  99
 100         app.session.valid = false;
 101
 102         delete localStorage.accessToken;
 103     });
 104 }
 105
 106 function loadDirectory(filePath) {
 107     app.busy = true;
 108
 109     filePath = filePath ? sanitize(filePath) : '/';
 110
 111     superagent.get('/api/files/' + encode(filePath)).query({ access_token: localStorage.accessToken }).end(function (error, result) {
 112         app.busy = false;
 113
 114         if (result && result.statusCode === 401) return logout();
 115         if (error) return console.error(error);
 116
 117         result.body.entries.sort(function (a, b) { return a.isDirectory && b.isFile ? -1 : 1; });
 118         app.entries = result.body.entries.map(function (entry) {
 119             entry.previewUrl = getPreviewUrl(entry, filePath);
 120             entry.extension = getExtension(entry);
 121             entry.rename = false;
 122             entry.filePathNew = entry.filePath;
 123             return entry;
 124         });
 125         app.path = filePath;
 126         app.pathParts = decode(filePath).split('/').filter(function (e) { return !!e; }).map(function (e, i, a) {
 127             return {
 128                 name: e,
 129                 link: '#' + sanitize('/' + a.slice(0, i).join('/') + '/' + e)
 130             };
 131         });
 132
 133         // update in case this was triggered from code
 134         window.location.hash = app.path;
 135     });
 136 }
 137
 138 function open(row, event, column) {
 139     // ignore item open on row clicks if we are renaming this entry
 140     if (row.rename) return;
 141
 142     var path = sanitize(app.path + '/' + row.filePath);
 143
 144     if (row.isDirectory) {
 145         window.location.hash = path;
 146         return;
 147     }
 148
 149     window.open(encode(path));
 150 }
 151
 152 function uploadFiles(files) {
 153     if (!files || !files.length) return;
 154
 155     app.uploadStatus.busy = true;
 156     app.uploadStatus.count = files.length;
 157     app.uploadStatus.size = 0;
 158     app.uploadStatus.done = 0;
 159     app.uploadStatus.percentDone = 0;
 160
 161     for (var i = 0; i < files.length; ++i) {
 162         app.uploadStatus.size += files[i].size;
 163     }
 164
 165     asyncForEach(files, function (file, callback) {
 166         var path = encode(sanitize(app.path + '/' + (file.webkitRelativePath || file.name)));
 167
 168         var formData = new FormData();
 169         formData.append('file', file);
 170
 171         var finishedUploadSize = app.uploadStatus.done;
 172
 173         superagent.post('/api/files' + path)
 174           .query({ access_token: localStorage.accessToken })
 175           .send(formData)
 176           .on('progress', function (event) {
 177             // only handle upload events
 178             if (!(event.target instanceof XMLHttpRequestUpload)) return;
 179
 180             app.uploadStatus.done = finishedUploadSize + event.loaded;
 181             var tmp = Math.round(app.uploadStatus.done / app.uploadStatus.size * 100);
 182             app.uploadStatus.percentDone = tmp > 100 ? 100 : tmp;
 183         }).end(function (error, result) {
 184             if (result && result.statusCode === 401) return logout();
 185             if (result && result.statusCode !== 201) return callback('Error uploading file: ', result.statusCode);
 186             if (error) return callback(error);
 187
 188             callback();
 189         });
 190     }, function (error) {
 191         if (error) console.error(error);
 192
 193         app.uploadStatus.busy = false;
 194         app.uploadStatus.count = 0;
 195         app.uploadStatus.size = 0;
 196         app.uploadStatus.done = 0;
 197         app.uploadStatus.percentDone = 100;
 198
 199         refresh();
 200     });
 201 }
 202
 203 function dragOver(event) {
 204     event.stopPropagation();
 205     event.preventDefault();
 206     event.dataTransfer.dropEffect = 'copy';
 207 }
 208
 209 function drop(event) {
 210     event.stopPropagation();
 211     event.preventDefault();
 212
 213     if (!event.dataTransfer.items[0]) return;
 214
 215     // figure if a folder was dropped on a modern browser, in this case the first would have to be a directory
 216     var folderItem;
 217     try {
 218         folderItem = event.dataTransfer.items[0].webkitGetAsEntry();
 219         if (folderItem.isFile) return uploadFiles(event.dataTransfer.files);
 220     } catch (e) {
 221         return uploadFiles(event.dataTransfer.files);
 222     }
 223
 224     // if we got here we have a folder drop and a modern browser
 225     // now traverse the folder tree and create a file list
 226     app.uploadStatus.busy = true;
 227     app.uploadStatus.uploadListCount = 0;
 228
 229     var fileList = [];
 230     function traverseFileTree(item, path, callback) {
 231         if (item.isFile) {
 232             // Get file
 233             item.file(function (file) {
 234                 fileList.push(file);
 235                 ++app.uploadStatus.uploadListCount;
 236                 callback();
 237             });
 238         } else if (item.isDirectory) {
 239             // Get folder contents
 240             var dirReader = item.createReader();
 241             dirReader.readEntries(function (entries) {
 242                 asyncForEach(entries, function (entry, callback) {
 243                     traverseFileTree(entry, path + item.name + '/', callback);
 244                 }, callback);
 245             });
 246         }
 247     }
 248
 249     traverseFileTree(folderItem, '', function (error) {
 250         app.uploadStatus.busy = false;
 251         app.uploadStatus.uploadListCount = 0;
 252
 253         if (error) return console.error(error);
 254
 255         uploadFiles(fileList);
 256     });
 257 }
 258
 259 var app = new Vue({
 260     el: '#app',
 261     data: {
 262         ready: false,
 263         busy: false,
 264         origin: window.location.origin,
 265         uploadStatus: {
 266             busy: false,
 267             count: 0,
 268             done: 0,
 269             percentDone: 50,
 270             uploadListCount: 0
 271         },
 272         path: '/',
 273         pathParts: [],
 274         session: {
 275             valid: false
 276         },
 277         folderListingEnabled: false,
 278         loginData: {
 279             username: '',
 280             password: '',
 281             busy: false
 282         },
 283         entries: [],
 284         accessTokens: [],
 285         accessTokensDialogVisible: false
 286     },
 287     methods: {
 288         onLogin: function () {
 289             var that = this;
 290
 291             that.loginData.busy = true;
 292
 293             superagent.post('/api/login').send({ username: that.loginData.username, password: that.loginData.password }).end(function (error, result) {
 294                 that.loginData.busy = false;
 295
 296                 if (error && !result) return that.$message.error(error.message);
 297                 if (result.statusCode === 401) return that.$message.error('Wrong username or password');
 298
 299                 initWithToken(result.body.accessToken);
 300             });
 301         },
 302         onOptionsMenu: function (command) {
 303             if (command === 'folderListing') {
 304                 superagent.put('/api/settings').send({ folderListingEnabled: this.folderListingEnabled }).query({ access_token: localStorage.accessToken }).end(function (error) {
 305                     if (error) console.error(error);
 306                 });
 307             } else if (command === 'about') {
 308                 this.$msgbox({
 309                     title: 'About Surfer',
 310                     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>.',
 311                     dangerouslyUseHTMLString: true,
 312                     confirmButtonText: 'OK',
 313                     showCancelButton: false,
 314                     type: 'info',
 315                     center: true
 316                   }).then(function () {}).catch(function () {});
 317             } else if (command === 'logout') {
 318                 logout();
 319             } else if (command === 'apiAccess') {
 320                 this.accessTokensDialogVisible = true;
 321             }
 322         },
 323         onDownload: function (entry) {
 324             if (entry.isDirectory) return;
 325             window.location.href = encode('/api/files/' + sanitize(this.path + '/' + entry.filePath)) + '?access_token=' + localStorage.accessToken;
 326         },
 327         onUpload: function () {
 328             var that = this;
 329
 330             $(this.$refs.upload).on('change', function () {
 331                 // detach event handler
 332                 $(that.$refs.upload).off('change');
 333                 uploadFiles(that.$refs.upload.files || []);
 334             });
 335
 336             // reset the form first to make the change handler retrigger even on the same file selected
 337             this.$refs.upload.value = '';
 338             this.$refs.upload.click();
 339         },
 340         onUploadFolder: function () {
 341             var that = this;
 342
 343             $(this.$refs.uploadFolder).on('change', function () {
 344                 // detach event handler
 345                 $(that.$refs.uploadFolder).off('change');
 346                 uploadFiles(that.$refs.uploadFolder.files || []);
 347             });
 348
 349             // reset the form first to make the change handler retrigger even on the same file selected
 350             this.$refs.uploadFolder.value = '';
 351             this.$refs.uploadFolder.click();
 352         },
 353         onDelete: function (entry) {
 354             var that = this;
 355
 356             var title = 'Really delete ' + (entry.isDirectory ? 'folder ' : '') + entry.filePath;
 357             this.$confirm('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No' }).then(function () {
 358                 var path = encode(sanitize(that.path + '/' + entry.filePath));
 359
 360                 superagent.del('/api/files' + path).query({ access_token: localStorage.accessToken, recursive: true }).end(function (error, result) {
 361                     if (result && result.statusCode === 401) return logout();
 362                     if (result && result.statusCode !== 200) return that.$message.error('Error deleting file: ' + result.statusCode);
 363                     if (error) return that.$message.error(error.message);
 364
 365                     refresh();
 366                 });
 367             }).catch(function () {});
 368         },
 369         onRename: function (entry, scope) {
 370             if (entry.rename) return entry.rename = false;
 371
 372             entry.rename = true;
 373
 374             Vue.nextTick(function () {
 375                 var elem = document.getElementById('filePathRenameInputId-' + scope.$index);
 376                 elem.focus();
 377
 378                 if (typeof elem.selectionStart != "undefined") {
 379                     elem.selectionStart = 0;
 380                     elem.selectionEnd = entry.filePath.lastIndexOf('.');
 381                 }
 382             });
 383         },
 384         onRenameEnd: function (entry) {
 385             entry.rename = false;
 386             entry.filePathNew = entry.filePath;
 387         },
 388         onRenameSubmit: function (entry) {
 389             var that = this;
 390
 391             entry.rename = false;
 392
 393             if (entry.filePathNew === entry.filePath) return;
 394
 395             var path = encode(sanitize(this.path + '/' + entry.filePath));
 396             var newFilePath = sanitize(this.path + '/' + entry.filePathNew);
 397
 398             superagent.put('/api/files' + path).query({ access_token: localStorage.accessToken }).send({ newFilePath: newFilePath }).end(function (error, result) {
 399                 if (result && result.statusCode === 401) return logout();
 400                 if (result && result.statusCode !== 200) return that.$message.error('Error renaming file: ' + result.statusCode);
 401                 if (error) return that.$message.error(error.message);
 402
 403                 entry.filePath = entry.filePathNew;
 404             });
 405         },
 406         onNewFolder: function () {
 407             var that = this;
 408
 409             var title = 'Create New Folder';
 410             this.$prompt('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No', inputPlaceholder: 'new foldername' }).then(function (data) {
 411                 var path = encode(sanitize(that.path + '/' + data.value));
 412
 413                 superagent.post('/api/files' + path).query({ access_token: localStorage.accessToken, directory: true }).end(function (error, result) {
 414                     if (result && result.statusCode === 401) return logout();
 415                     if (result && result.statusCode === 403) return that.$message.error('Folder name not allowed');
 416                     if (result && result.statusCode === 409) return that.$message.error('Folder already exists');
 417                     if (result && result.statusCode !== 201) return that.$message.error('Error creating folder: ' + result.statusCode);
 418                     if (error) return that.$message.error(error.message);
 419
 420                     refresh();
 421                 });
 422             }).catch(function () {});
 423         },
 424         refreshAccessTokens: function () {
 425             var that = this;
 426
 427             superagent.get('/api/tokens').query({ access_token: localStorage.accessToken }).end(function (error, result) {
 428                 if (error && !result) return that.$message.error(error.message);
 429
 430                 that.accessTokens = result.body.accessTokens;
 431             });
 432         },
 433         onCopyAccessToken: function (event) {
 434             event.target.select();
 435             document.execCommand('copy');
 436
 437             this.$message({ type: 'success', message: 'Access token copied to clipboard' });
 438         },
 439         onCreateAccessToken: function () {
 440             var that = this;
 441
 442             superagent.post('/api/tokens').query({ access_token: localStorage.accessToken }).end(function (error, result) {
 443                 if (error && !result) return that.$message.error(error.message);
 444
 445                 that.refreshAccessTokens();
 446             });
 447         },
 448         onDeleteAccessToken: function (token) {
 449             var that = this;
 450
 451             this.$confirm('All actions from apps using this token will fail!', 'Really delete this access token?', { confirmButtonText: 'Yes Delete', cancelButtonText: 'No' }).then(function () {
 452                 superagent.delete('/api/tokens/' + token).query({ access_token: localStorage.accessToken }).end(function (error, result) {
 453                     if (error && !result) return that.$message.error(error.message);
 454
 455                     that.refreshAccessTokens();
 456                 });
 457             }).catch(function () {});
 458
 459         },
 460         prettyDate: function (row, column, cellValue, index) {
 461             var date = new Date(cellValue),
 462             diff = (((new Date()).getTime() - date.getTime()) / 1000),
 463             day_diff = Math.floor(diff / 86400);
 464
 465             if (isNaN(day_diff) || day_diff < 0)
 466                 return;
 467
 468             return day_diff === 0 && (
 469                 diff < 60 && 'just now' ||
 470                 diff < 120 && '1 minute ago' ||
 471                 diff < 3600 && Math.floor( diff / 60 ) + ' minutes ago' ||
 472                 diff < 7200 && '1 hour ago' ||
 473                 diff < 86400 && Math.floor( diff / 3600 ) + ' hours ago') ||
 474                 day_diff === 1 && 'Yesterday' ||
 475                 day_diff < 7 && day_diff + ' days ago' ||
 476                 day_diff < 31 && Math.ceil( day_diff / 7 ) + ' weeks ago' ||
 477                 day_diff < 365 && Math.round( day_diff / 30 ) +  ' months ago' ||
 478                 Math.round( day_diff / 365 ) + ' years ago';
 479         },
 480         prettyFileSize: function (row, column, cellValue, index) {
 481             return filesize(cellValue);
 482         },
 483         loadDirectory: loadDirectory,
 484         onUp: function () {
 485             window.location.hash = sanitize(this.path.split('/').slice(0, -1).filter(function (p) { return !!p; }).join('/'));
 486         },
 487         open: open,
 488         drop: drop,
 489         dragOver: dragOver
 490     }
 491 });
 492
 493 initWithToken(localStorage.accessToken);
 494
 495 $(window).on('hashchange', function () {
 496     loadDirectory(decode(window.location.hash.slice(1)));
 497 });
 498
 499 })();