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