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