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.size = 0;
 136     app.uploadStatus.done = 0;
 137     app.uploadStatus.percentDone = 0;
 138
 139     for (var i = 0; i < files.length; ++i) {
 140         app.uploadStatus.size += files[i].size;
 141     }
 142
 143     asyncForEach(files, function (file, callback) {
 144         var path = encode(sanitize(app.path + '/' + (file.webkitRelativePath || file.name)));
 145
 146         var formData = new FormData();
 147         formData.append('file', file);
 148
 149         superagent.post('/api/files' + path)
 150           .query({ access_token: localStorage.accessToken })
 151           .send(formData)
 152           .on('progress', function (event) {
 153             app.uploadStatus.done += event.loaded;
 154             app.uploadStatus.percentDone = Math.round(app.uploadStatus.done / app.uploadStatus.size * 100);
 155         }).end(function (error, result) {
 156             if (result && result.statusCode === 401) return logout();
 157             if (result && result.statusCode !== 201) return callback('Error uploading file: ', result.statusCode);
 158             if (error) return callback(error);
 159
 160             callback();
 161         });
 162     }, function (error) {
 163         if (error) console.error(error);
 164
 165         app.uploadStatus.busy = false;
 166         app.uploadStatus.count = 0;
 167         app.uploadStatus.size = 0;
 168         app.uploadStatus.done = 0;
 169         app.uploadStatus.percentDone = 100;
 170
 171         refresh();
 172     });
 173 }
 174
 175 function dragOver(event) {
 176     event.stopPropagation();
 177     event.preventDefault();
 178     event.dataTransfer.dropEffect = 'copy';
 179 }
 180
 181 function drop(event) {
 182     event.stopPropagation();
 183     event.preventDefault();
 184
 185     if (!event.dataTransfer.items[0]) return;
 186
 187     // figure if a folder was dropped on a modern browser, in this case the first would have to be a directory
 188     var folderItem;
 189     try {
 190         folderItem = event.dataTransfer.items[0].webkitGetAsEntry();
 191         if (folderItem.isFile) return uploadFiles(event.dataTransfer.files);
 192     } catch (e) {
 193         return uploadFiles(event.dataTransfer.files);
 194     }
 195
 196     // if we got here we have a folder drop and a modern browser
 197     // now traverse the folder tree and create a file list
 198     app.uploadStatus.busy = true;
 199     app.uploadStatus.uploadListCount = 0;
 200
 201     var fileList = [];
 202     function traverseFileTree(item, path, callback) {
 203         if (item.isFile) {
 204             // Get file
 205             item.file(function (file) {
 206                 fileList.push(file);
 207                 ++app.uploadStatus.uploadListCount;
 208                 callback();
 209             });
 210         } else if (item.isDirectory) {
 211             // Get folder contents
 212             var dirReader = item.createReader();
 213             dirReader.readEntries(function (entries) {
 214                 asyncForEach(entries, function (entry, callback) {
 215                     traverseFileTree(entry, path + item.name + '/', callback);
 216                 }, callback);
 217             });
 218         }
 219     }
 220
 221     traverseFileTree(folderItem, '', function (error) {
 222         app.uploadStatus.busy = false;
 223         app.uploadStatus.uploadListCount = 0;
 224
 225         if (error) return console.error(error);
 226
 227         uploadFiles(fileList);
 228     });
 229 }
 230
 231 var app = new Vue({
 232     el: '#app',
 233     data: {
 234         ready: false,
 235         busy: false,
 236         uploadStatus: {
 237             busy: false,
 238             count: 0,
 239             done: 0,
 240             percentDone: 50,
 241             uploadListCount: 0
 242         },
 243         path: '/',
 244         pathParts: [],
 245         session: {
 246             valid: false
 247         },
 248         folderListingEnabled: false,
 249         loginData: {
 250             username: '',
 251             password: '',
 252             busy: false
 253         },
 254         entries: []
 255     },
 256     methods: {
 257         onLogin: function () {
 258             var that = this;
 259
 260             that.loginData.busy = true;
 261
 262             superagent.post('/api/login').send({ username: that.loginData.username, password: that.loginData.password }).end(function (error, result) {
 263                 that.loginData.busy = false;
 264
 265                 if (error && !result) return that.$message.error(error.message);
 266                 if (result.statusCode === 401) return that.$message.error('Wrong username or password');
 267
 268                 getProfile(result.body.accessToken, function (error) {
 269                     if (error) return console.error(error);
 270
 271                     loadDirectory(window.location.hash.slice(1));
 272                 });
 273             });
 274         },
 275         onOptionsMenu: function (command) {
 276             var that = this;
 277
 278             if (command === 'folderListing') {
 279                 superagent.put('/api/settings').send({ folderListingEnabled: this.folderListingEnabled }).query({ access_token: localStorage.accessToken }).end(function (error) {
 280                     if (error) console.error(error);
 281                 });
 282             } else if (command === 'about') {
 283                 this.$msgbox({
 284                     title: 'About Surfer',
 285                     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>.',
 286                     dangerouslyUseHTMLString: true,
 287                     confirmButtonText: 'OK',
 288                     showCancelButton: false,
 289                     type: 'info',
 290                     center: true
 291                   }).then(function () {}).catch(function () {});
 292             } else if (command === 'logout') {
 293                 superagent.post('/api/logout').query({ access_token: localStorage.accessToken }).end(function (error) {
 294                     if (error) console.error(error);
 295
 296                     that.session.valid = false;
 297
 298                     delete localStorage.accessToken;
 299                 });
 300             }
 301         },
 302         onDownload: function (entry) {
 303             if (entry.isDirectory) return;
 304             window.location.href = encode('/api/files/' + sanitize(this.path + '/' + entry.filePath)) + '?access_token=' + localStorage.accessToken;
 305         },
 306         onUpload: function () {
 307             var that = this;
 308
 309             $(this.$refs.upload).on('change', function () {
 310                 // detach event handler
 311                 $(that.$refs.upload).off('change');
 312                 uploadFiles(that.$refs.upload.files || []);
 313             });
 314
 315             // reset the form first to make the change handler retrigger even on the same file selected
 316             this.$refs.upload.value = '';
 317             this.$refs.upload.click();
 318         },
 319         onUploadFolder: function () {
 320             var that = this;
 321
 322             $(this.$refs.uploadFolder).on('change', function () {
 323                 // detach event handler
 324                 $(that.$refs.uploadFolder).off('change');
 325                 uploadFiles(that.$refs.uploadFolder.files || []);
 326             });
 327
 328             // reset the form first to make the change handler retrigger even on the same file selected
 329             this.$refs.uploadFolder.value = '';
 330             this.$refs.uploadFolder.click();
 331         },
 332         onDelete: function (entry) {
 333             var that = this;
 334
 335             var title = 'Really delete ' + (entry.isDirectory ? 'folder ' : '') + entry.filePath;
 336             this.$confirm('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No' }).then(function () {
 337                 var path = encode(sanitize(that.path + '/' + entry.filePath));
 338
 339                 superagent.del('/api/files' + path).query({ access_token: localStorage.accessToken, recursive: true }).end(function (error, result) {
 340                     if (result && result.statusCode === 401) return logout();
 341                     if (result && result.statusCode !== 200) return that.$message.error('Error deleting file: ' + result.statusCode);
 342                     if (error) return that.$message.error(error.message);
 343
 344                     refresh();
 345                 });
 346             }).catch(function () {});
 347         },
 348         onRename: function (entry) {
 349             var that = this;
 350
 351             var title = 'Rename ' + entry.filePath;
 352             this.$prompt('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No', inputPlaceholder: 'new filename', inputValue: entry.filePath }).then(function (data) {
 353                 var path = encode(sanitize(that.path + '/' + entry.filePath));
 354                 var newFilePath = sanitize(that.path + '/' + data.value);
 355
 356                 superagent.put('/api/files' + path).query({ access_token: localStorage.accessToken }).send({ newFilePath: newFilePath }).end(function (error, result) {
 357                     if (result && result.statusCode === 401) return logout();
 358                     if (result && result.statusCode !== 200) return that.$message.error('Error renaming file: ' + result.statusCode);
 359                     if (error) return that.$message.error(error.message);
 360
 361                     refresh();
 362                 });
 363             }).catch(function () {});
 364         },
 365         onNewFolder: function () {
 366             var that = this;
 367
 368             var title = 'Create New Folder';
 369             this.$prompt('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No', inputPlaceholder: 'new foldername' }).then(function (data) {
 370                 var path = encode(sanitize(that.path + '/' + data.value));
 371
 372                 superagent.post('/api/files' + path).query({ access_token: localStorage.accessToken, directory: true }).end(function (error, result) {
 373                     if (result && result.statusCode === 401) return logout();
 374                     if (result && result.statusCode === 403) return that.$message.error('Folder name not allowed');
 375                     if (result && result.statusCode === 409) return that.$message.error('Folder already exists');
 376                     if (result && result.statusCode !== 201) return that.$message.error('Error creating folder: ' + result.statusCode);
 377                     if (error) return that.$message.error(error.message);
 378
 379                     refresh();
 380                 });
 381             }).catch(function () {});
 382         },
 383         prettyDate: function (row, column, cellValue, index) {
 384             var date = new Date(cellValue),
 385             diff = (((new Date()).getTime() - date.getTime()) / 1000),
 386             day_diff = Math.floor(diff / 86400);
 387
 388             if (isNaN(day_diff) || day_diff < 0)
 389                 return;
 390
 391             return day_diff === 0 && (
 392                 diff < 60 && 'just now' ||
 393                 diff < 120 && '1 minute ago' ||
 394                 diff < 3600 && Math.floor( diff / 60 ) + ' minutes ago' ||
 395                 diff < 7200 && '1 hour ago' ||
 396                 diff < 86400 && Math.floor( diff / 3600 ) + ' hours ago') ||
 397                 day_diff === 1 && 'Yesterday' ||
 398                 day_diff < 7 && day_diff + ' days ago' ||
 399                 day_diff < 31 && Math.ceil( day_diff / 7 ) + ' weeks ago' ||
 400                 day_diff < 365 && Math.round( day_diff / 30 ) +  ' months ago' ||
 401                 Math.round( day_diff / 365 ) + ' years ago';
 402         },
 403         prettyFileSize: function (row, column, cellValue, index) {
 404             return filesize(cellValue);
 405         },
 406         loadDirectory: loadDirectory,
 407         onUp: function () {
 408             window.location.hash = sanitize(this.path.split('/').slice(0, -1).filter(function (p) { return !!p; }).join('/'));
 409         },
 410         open: open,
 411         drop: drop,
 412         dragOver: dragOver
 413     }
 414 });
 415
 416 getProfile(localStorage.accessToken, function (error) {
 417     if (error) return console.error(error);
 418
 419     loadDirectory(window.location.hash.slice(1));
 420 });
 421
 422 $(window).on('hashchange', function () {
 423     loadDirectory(window.location.hash.slice(1));
 424 });
 425
 426 })();