forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			346 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			346 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * StatusNet - the distributed open-source microblogging tool
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|  * Copyright (C) 2010, StatusNet, Inc.
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|  *
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|  * Import del.icio.us bookmarks backups
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|  * 
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|  * PHP version 5
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Affero General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU Affero General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Affero General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  *
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|  * @category  Bookmark
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|  * @package   StatusNet
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|  * @author    Evan Prodromou <evan@status.net>
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|  * @copyright 2010 StatusNet, Inc.
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|  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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|  * @link      http://status.net/
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|  */
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| 
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| if (!defined('STATUSNET')) {
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|     // This check helps protect against security problems;
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|     // your code file can't be executed directly from the web.
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|     exit(1);
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| }
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| 
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| /**
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|  * UI for importing del.icio.us bookmark backups
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|  *
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|  * @category  Bookmark
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|  * @package   StatusNet
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|  * @author    Evan Prodromou <evan@status.net>
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|  * @copyright 2010 StatusNet, Inc.
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|  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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|  * @link      http://status.net/
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|  */
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| 
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| class ImportdeliciousAction extends Action
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| {
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|     protected $success = false;
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|     private $inprogress = false;
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| 
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|     /**
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|      * Return the title of the page
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|      *
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|      * @return string page title
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|      */
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| 
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|     function title()
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|     {
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|         return _("Import del.icio.us bookmarks");
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|     }
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| 
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|     /**
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|      * For initializing members of the class.
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|      *
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|      * @param array $argarray misc. arguments
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|      *
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|      * @return boolean true
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|      */
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| 
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|     function prepare($argarray)
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|     {
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|         parent::prepare($argarray);
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| 
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|         $cur = common_current_user();
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| 
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|         if (empty($cur)) {
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|             throw new ClientException(_('Only logged-in users can '.
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|                                         'import del.icio.us backups.'),
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|                                       403);
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|         }
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| 
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|         if (!$cur->hasRight(BookmarkPlugin::IMPORTDELICIOUS)) {
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|             throw new ClientException(_('You may not restore your account.'), 403);
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|         }
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| 
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|         return true;
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|     }
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| 
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|     /**
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|      * Handler method
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|      *
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|      * @param array $argarray is ignored since it's now passed in in prepare()
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|      *
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|      * @return void
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|      */
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| 
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|     function handle($argarray=null)
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|     {
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|         parent::handle($argarray);
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| 
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|         if ($this->isPost()) {
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|             $this->importDelicious();
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|         } else {
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|             $this->showPage();
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|         }
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|         return;
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|     }
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| 
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|     /**
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|      * Queue a file for importation
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|      * 
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|      * Uses the DeliciousBackupImporter class; may take a long time!
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|      *
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|      * @return void
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|      */
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| 
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|     function importDelicious()
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|     {
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|         $this->checkSessionToken();
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| 
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|         if (!isset($_FILES[ImportDeliciousForm::FILEINPUT]['error'])) {
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|             throw new ClientException(_('No uploaded file.'));
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|         }
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| 
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|         switch ($_FILES[ImportDeliciousForm::FILEINPUT]['error']) {
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|         case UPLOAD_ERR_OK: // success, jump out
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|             break;
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|         case UPLOAD_ERR_INI_SIZE:
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|             // TRANS: Client exception thrown when an uploaded file is too large.
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|             throw new ClientException(_('The uploaded file exceeds the ' .
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|                 'upload_max_filesize directive in php.ini.'));
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|             return;
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|         case UPLOAD_ERR_FORM_SIZE:
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|             throw new ClientException(
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|                 // TRANS: Client exception.
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|                 _('The uploaded file exceeds the MAX_FILE_SIZE directive' .
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|                 ' that was specified in the HTML form.'));
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|             return;
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|         case UPLOAD_ERR_PARTIAL:
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|             @unlink($_FILES[ImportDeliciousForm::FILEINPUT]['tmp_name']);
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|             // TRANS: Client exception.
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|             throw new ClientException(_('The uploaded file was only' .
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|                 ' partially uploaded.'));
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|             return;
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|         case UPLOAD_ERR_NO_FILE:
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|             // No file; probably just a non-AJAX submission.
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|             throw new ClientException(_('No uploaded file.'));
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|             return;
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|         case UPLOAD_ERR_NO_TMP_DIR:
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|             // TRANS: Client exception thrown when a temporary folder is not present
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|             throw new ClientException(_('Missing a temporary folder.'));
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|             return;
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|         case UPLOAD_ERR_CANT_WRITE:
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|             // TRANS: Client exception thrown when writing to disk is not possible
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|             throw new ClientException(_('Failed to write file to disk.'));
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|             return;
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|         case UPLOAD_ERR_EXTENSION:
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|             // TRANS: Client exception thrown when a file upload has been stopped
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|             throw new ClientException(_('File upload stopped by extension.'));
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|             return;
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|         default:
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|             common_log(LOG_ERR, __METHOD__ . ": Unknown upload error " .
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|                 $_FILES[ImportDeliciousForm::FILEINPUT]['error']);
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|             // TRANS: Client exception thrown when a file upload operation has failed
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|             throw new ClientException(_('System error uploading file.'));
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|             return;
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|         }
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| 
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|         $filename = $_FILES[ImportDeliciousForm::FILEINPUT]['tmp_name'];
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| 
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|         try {
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|             if (!file_exists($filename)) {
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|                 throw new ServerException("No such file '$filename'.");
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|             }
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|         
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|             if (!is_file($filename)) {
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|                 throw new ServerException("Not a regular file: '$filename'.");
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|             }
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|         
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|             if (!is_readable($filename)) {
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|                 throw new ServerException("File '$filename' not readable.");
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|             }
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|         
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|             common_debug(sprintf(_("Getting backup from file '%s'."), $filename));
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| 
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|             $html = file_get_contents($filename);
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| 
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|             // Enqueue for processing.
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| 
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|             $qm = QueueManager::get();
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|             $qm->enqueue(array(common_current_user(), $html), 'dlcsback');
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| 
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|             if ($qm instanceof UnQueueManager) {
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|                 // No active queuing means we've actually just completed the job!
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|                 $this->success = true;
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|             } else {
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|                 // We've fed data into background queues, and it's probably still running.
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|                 $this->inprogress = true;
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|             }
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| 
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|             $this->showPage();
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| 
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|         } catch (Exception $e) {
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|             // Delete the file and re-throw
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|             @unlink($_FILES[ImportDeliciousForm::FILEINPUT]['tmp_name']);
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|             throw $e;
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|         }
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|     }
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| 
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|     /**
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|      * Show the content of the page
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|      *
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|      * @return void
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|      */
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| 
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|     function showContent()
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|     {
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|         if ($this->success) {
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|             $this->element('p', null,
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|                            _('Bookmarks have been imported. Your bookmarks should now appear in search and your profile page.'));
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|         } else if ($this->inprogress) {
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|             $this->element('p', null,
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|                            _('Bookmarks are being imported. Please wait a few minutes for results.'));
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|         } else {
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|             $form = new ImportDeliciousForm($this);
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|             $form->show();
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|         }
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|     }
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| 
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|     /**
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|      * Return true if read only.
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|      *
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|      * MAY override
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|      *
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|      * @param array $args other arguments
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|      *
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|      * @return boolean is read only action?
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|      */
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| 
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|     function isReadOnly($args)
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|     {
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|         return !$this->isPost();
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|     }
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| }
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| 
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| /**
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|  * A form for backing up the account.
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|  *
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|  * @category  Account
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|  * @package   StatusNet
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|  * @author    Evan Prodromou <evan@status.net>
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|  * @copyright 2010 StatusNet, Inc.
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|  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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|  * @link      http://status.net/
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|  */
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| 
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| class ImportDeliciousForm extends Form
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| {
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|     const FILEINPUT = 'deliciousbackupfile';
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| 
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|     /**
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|      * Constructor
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|      * 
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|      * Set the encoding type, since this is a file upload.
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|      *
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|      * @param HTMLOutputter $out output channel
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|      *
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|      * @return ImportDeliciousForm this
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|      */
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| 
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|     function __construct($out=null)
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|     {
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|         parent::__construct($out);
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|         $this->enctype = 'multipart/form-data';
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|     }
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| 
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|     /**
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|      * Class of the form.
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|      *
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|      * @return string the form's class
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|      */
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| 
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|     function formClass()
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|     {
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|         return 'form_import_delicious';
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|     }
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| 
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|     /**
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|      * URL the form posts to
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|      *
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|      * @return string the form's action URL
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|      */
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| 
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|     function action()
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|     {
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|         return common_local_url('importdelicious');
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|     }
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| 
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|     /**
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|      * Output form data
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|      * 
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|      * Really, just instructions for doing a backup.
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|      *
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|      * @return void
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|      */
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| 
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|     function formData()
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|     {
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|         $this->out->elementStart('p', 'instructions');
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| 
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|         $this->out->raw(_('You can upload a backed-up '.
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|                           'delicious.com bookmarks file.'));
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|         
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|         $this->out->elementEnd('p');
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| 
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|         $this->out->elementStart('ul', 'form_data');
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| 
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|         $this->out->elementStart('li', array ('id' => 'settings_attach'));
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|         $this->out->element('input', array('name' => self::FILEINPUT,
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|                                            'type' => 'file',
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|                                            'id' => self::FILEINPUT));
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|         $this->out->elementEnd('li');
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| 
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|         $this->out->elementEnd('ul');
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|     }
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| 
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|     /**
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|      * Buttons for the form
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|      * 
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|      * In this case, a single submit button
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|      *
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|      * @return void
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|      */
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| 
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|     function formActions()
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|     {
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|         $this->out->submit('submit',
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|                            _m('BUTTON', 'Upload'),
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|                            'submit',
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|                            null,
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|                            _('Upload the file'));
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|     }
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| }
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