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 up() {
 128     window.location.hash = sanitize(app.path.split('/').slice(0, -1).filter(function (p) { return !!p; }).join('/'));
 129 }
 130
 131 function uploadFiles(files) {
 132     if (!files || !files.length) return;
 133
 134     app.uploadStatus.busy = true;
 135     app.uploadStatus.count = files.length;
 136     app.uploadStatus.done = 0;
 137     app.uploadStatus.percentDone = 0;
 138
 139     asyncForEach(files, function (file, callback) {
 140         var path = encode(sanitize(app.path + '/' + file.name));
 141
 142         var formData = new FormData();
 143         formData.append('file', file);
 144
 145         superagent.post('/api/files' + path).query({ access_token: localStorage.accessToken }).send(formData).end(function (error, result) {
 146             if (result && result.statusCode === 401) return logout();
 147             if (result && result.statusCode !== 201) return callback('Error uploading file: ', result.statusCode);
 148             if (error) return callback(error);
 149
 150             app.uploadStatus.done += 1;
 151             app.uploadStatus.percentDone = Math.round(app.uploadStatus.done / app.uploadStatus.count * 100);
 152
 153             callback();
 154         });
 155     }, function (error) {
 156         if (error) console.error(error);
 157
 158         app.uploadStatus.busy = false;
 159         app.uploadStatus.count = 0;
 160         app.uploadStatus.done = 0;
 161         app.uploadStatus.percentDone = 100;
 162
 163         refresh();
 164     });
 165 }
 166
 167 function dragOver(event) {
 168     event.preventDefault();
 169 }
 170
 171 function drop(event) {
 172     event.preventDefault();
 173     uploadFiles(event.dataTransfer.files || []);
 174 }
 175
 176 var app = new Vue({
 177     el: '#app',
 178     data: {
 179         ready: false,
 180         busy: true,
 181         uploadStatus: {
 182             busy: false,
 183             count: 0,
 184             done: 0,
 185             percentDone: 50
 186         },
 187         path: '/',
 188         pathParts: [],
 189         session: {
 190             valid: false
 191         },
 192         folderListingEnabled: false,
 193         loginData: {
 194             username: '',
 195             password: ''
 196         },
 197         entries: []
 198     },
 199     methods: {
 200         onLogin: function () {
 201             app.busy = true;
 202
 203             superagent.post('/api/login').send({ username: app.loginData.username, password: app.loginData.password }).end(function (error, result) {
 204                 app.busy = false;
 205
 206                 if (error) return console.error(error);
 207                 if (result.statusCode === 401) return console.error('Invalid credentials');
 208
 209                 getProfile(result.body.accessToken, function (error) {
 210                     if (error) return console.error(error);
 211
 212                     loadDirectory(window.location.hash.slice(1));
 213                 });
 214             });
 215         },
 216         onOptionsMenu: function (command) {
 217             if (command === 'folderListing') {
 218                 console.log('Not implemented');
 219             } else if (command === 'about') {
 220                 this.$msgbox({
 221                     title: 'About Surfer',
 222                     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>.',
 223                     dangerouslyUseHTMLString: true,
 224                     confirmButtonText: 'OK',
 225                     showCancelButton: false,
 226                     type: 'info',
 227                     center: true
 228                   }).then(function () {}).catch(function () {});
 229             } else if (command === 'logout') {
 230                 superagent.post('/api/logout').query({ access_token: localStorage.accessToken }).end(function (error) {
 231                     if (error) console.error(error);
 232
 233                     app.session.valid = false;
 234
 235                     delete localStorage.accessToken;
 236                 });
 237             }
 238         },
 239         onDownload: function (entry) {
 240             if (entry.isDirectory) return;
 241             window.location.href = encode('/api/files/' + sanitize(app.path + '/' + entry.filePath)) + '?access_token=' + localStorage.accessToken;
 242         },
 243         onUpload: function () {
 244             $(app.$refs.upload).on('change', function () {
 245
 246                 // detach event handler
 247                 $(app.$refs.upload).off('change');
 248
 249                 uploadFiles(app.$refs.upload.files || []);
 250             });
 251
 252             // reset the form first to make the change handler retrigger even on the same file selected
 253             app.$refs.upload.value = '';
 254             app.$refs.upload.click();
 255         },
 256         onDelete: function (entry) {
 257             var title = 'Really delete ' + (entry.isDirectory ? 'folder ' : '') + entry.filePath;
 258             this.$confirm('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No' }).then(function () {
 259                 var path = encode(sanitize(app.path + '/' + entry.filePath));
 260
 261                 superagent.del('/api/files' + path).query({ access_token: localStorage.accessToken, recursive: true }).end(function (error, result) {
 262                     if (result && result.statusCode === 401) return logout();
 263                     if (result && result.statusCode !== 200) return console.error('Error deleting file: ', result.statusCode);
 264                     if (error) return console.error(error);
 265
 266                     refresh();
 267                 });
 268             }).catch(function () {
 269                 console.log('delete error:', arguments);
 270             });
 271         },
 272         onRename: function (entry) {
 273             var title = 'Rename ' + entry.filePath;
 274             this.$prompt('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No', inputPlaceholder: 'new filename', inputValue: entry.filePath }).then(function (data) {
 275                 var path = encode(sanitize(app.path + '/' + entry.filePath));
 276                 var newFilePath = sanitize(app.path + '/' + data.value);
 277
 278                 superagent.put('/api/files' + path).query({ access_token: localStorage.accessToken }).send({ newFilePath: newFilePath }).end(function (error, result) {
 279                     if (result && result.statusCode === 401) return logout();
 280                     if (result && result.statusCode !== 200) return console.error('Error renaming file: ', result.statusCode);
 281                     if (error) return console.error(error);
 282
 283                     refresh();
 284                 });
 285             }).catch(function () {
 286                 console.log('rename error:', arguments);
 287             });
 288         },
 289         onNewFolder: function () {
 290             var title = 'Create New Folder';
 291             this.$prompt('', title, { confirmButtonText: 'Yes', cancelButtonText: 'No', inputPlaceholder: 'new foldername' }).then(function (data) {
 292                 var path = encode(sanitize(app.path + '/' + data.value));
 293
 294                 superagent.post('/api/files' + path).query({ access_token: localStorage.accessToken, directory: true }).end(function (error, result) {
 295                     if (result && result.statusCode === 401) return logout();
 296                     if (result && result.statusCode === 403) return console.error('Name not allowed');
 297                     if (result && result.statusCode === 409) return console.error('Directory already exists');
 298                     if (result && result.statusCode !== 201) return console.error('Error creating directory: ', result.statusCode);
 299                     if (error) return console.error(error);
 300
 301                     refresh();
 302                 });
 303             }).catch(function () {
 304                 console.log('create folder error:', arguments);
 305             });
 306         },
 307         prettyDate: function (row, column, cellValue, index) {
 308             var date = new Date(cellValue),
 309             diff = (((new Date()).getTime() - date.getTime()) / 1000),
 310             day_diff = Math.floor(diff / 86400);
 311
 312             if (isNaN(day_diff) || day_diff < 0)
 313                 return;
 314
 315             return day_diff === 0 && (
 316                 diff < 60 && 'just now' ||
 317                 diff < 120 && '1 minute ago' ||
 318                 diff < 3600 && Math.floor( diff / 60 ) + ' minutes ago' ||
 319                 diff < 7200 && '1 hour ago' ||
 320                 diff < 86400 && Math.floor( diff / 3600 ) + ' hours ago') ||
 321                 day_diff === 1 && 'Yesterday' ||
 322                 day_diff < 7 && day_diff + ' days ago' ||
 323                 day_diff < 31 && Math.ceil( day_diff / 7 ) + ' weeks ago' ||
 324                 day_diff < 365 && Math.round( day_diff / 30 ) +  ' months ago' ||
 325                 Math.round( day_diff / 365 ) + ' years ago';
 326         },
 327         prettyFileSize: function (row, column, cellValue, index) {
 328             return filesize(cellValue);
 329         },
 330         loadDirectory: loadDirectory,
 331         up: up,
 332         open: open,
 333         drop: drop,
 334         dragOver: dragOver
 335     }
 336 });
 337
 338 getProfile(localStorage.accessToken, function (error) {
 339     if (error) return console.error(error);
 340
 341     loadDirectory(window.location.hash.slice(1));
 342 });
 343
 344 $(window).on('hashchange', function () {
 345     loadDirectory(window.location.hash.slice(1));
 346 });
 347
 348 })();