395 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			395 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env php
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| <?php
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| /*
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|  * StatusNet - the distributed open-source microblogging tool
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|  * Copyright (C) 2008, 2009, StatusNet, Inc.
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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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| 
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| define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
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| 
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| $helptext = <<<END_OF_HELP
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| Script for converting mail messages into notices. Takes message body
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| as STDIN.
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| 
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| END_OF_HELP;
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| 
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| require_once INSTALLDIR.'/scripts/commandline.inc';
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| 
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| require_once(INSTALLDIR . '/lib/mail.php');
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| require_once('Mail/mimeDecode.php');
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| 
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| # FIXME: we use both Mail_mimeDecode and mailparse
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| # Need to move everything to mailparse
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| 
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| class MailerDaemon
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| {
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|     function __construct()
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|     {
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|     }
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| 
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|     function handle_message($fname='php://stdin')
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|     {
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|         list($from, $to, $msg, $attachments) = $this->parse_message($fname);
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|         if (!$from || !$to || !$msg) {
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|             $this->error(null, _('Could not parse message.'));
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|         }
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|         common_log(LOG_INFO, "Mail from $from to $to with ".count($attachments) .' attachment(s): ' .substr($msg, 0, 20));
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|         $user = $this->user_from($from);
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|         if (!$user) {
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|             $this->error($from, _('Not a registered user.'));
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|             return false;
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|         }
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|         if (!$this->user_match_to($user, $to)) {
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|             $this->error($from, _('Sorry, that is not your incoming email address.'));
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|             return false;
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|         }
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|         if (!$user->emailpost) {
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|             $this->error($from, _('Sorry, no incoming email allowed.'));
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|             return false;
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|         }
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|         $response = $this->handle_command($user, $from, $msg);
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|         if ($response) {
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|             return true;
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|         }
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|         $msg = $this->cleanup_msg($msg);
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|         $msg = common_shorten_links($msg);
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|         if (Notice::contentTooLong($msg)) {
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|             $this->error($from, sprintf(_('That\'s too long. '.
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|                                           'Max notice size is %d chars.'),
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|                                         Notice::maxContent()));
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|         }
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|         $fileRecords = array();
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|         foreach($attachments as $attachment){
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|             $mimetype = $this->getUploadedFileType($attachment);
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|             $stream  = stream_get_meta_data($attachment);
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|             if (!$this->isRespectsQuota($user,filesize($stream['uri']))) {
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|                 die('error() should trigger an exception before reaching here.');
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|             }
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|             $filename = $this->saveFile($user, $attachment,$mimetype);
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| 
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|             fclose($attachment);
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| 
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|             if (empty($filename)) {
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|                 $this->error($from,_('Couldn\'t save file.'));
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|             }
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| 
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|             $fileRecord = $this->storeFile($filename, $mimetype);
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|             $fileRecords[] = $fileRecord;
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|             $fileurl = common_local_url('attachment',
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|                 array('attachment' => $fileRecord->id));
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| 
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|             // not sure this is necessary -- Zach
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|             $this->maybeAddRedir($fileRecord->id, $fileurl);
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| 
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|             $short_fileurl = common_shorten_url($fileurl);
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|             $msg .= ' ' . $short_fileurl;
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| 
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|             if (Notice::contentTooLong($msg)) {
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|                 $this->deleteFile($filename);
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|                 $this->error($from, sprintf(_('Max notice size is %d chars, including attachment URL.'),
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|                                             Notice::maxContent()));
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|             }
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| 
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|             // Also, not sure this is necessary -- Zach
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|             $this->maybeAddRedir($fileRecord->id, $short_fileurl);
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|         }
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| 
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|         $err = $this->add_notice($user, $msg, $fileRecords);
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|         if (is_string($err)) {
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|             $this->error($from, $err);
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|             return false;
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|         } else {
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|             return true;
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|         }
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|     }
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| 
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|     function saveFile($user, $attachment, $mimetype) {
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| 
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|         $filename = File::filename($user->getProfile(), "email", $mimetype);
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| 
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|         $filepath = File::path($filename);
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| 
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|         $stream  = stream_get_meta_data($attachment);
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|         if (copy($stream['uri'], $filepath) && chmod($filepath,0664)) {
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|             return $filename;
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|         } else {
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|             $this->error(null,_('File could not be moved to destination directory.' . $stream['uri'] . ' ' . $filepath));
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|         }
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|     }
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| 
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|     function storeFile($filename, $mimetype) {
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| 
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|         $file = new File;
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|         $file->filename = $filename;
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| 
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|         $file->url = File::url($filename);
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| 
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|         $filepath = File::path($filename);
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| 
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|         $file->size = filesize($filepath);
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|         $file->date = time();
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|         $file->mimetype = $mimetype;
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| 
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|         $file_id = $file->insert();
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| 
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|         if (!$file_id) {
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|             common_log_db_error($file, "INSERT", __FILE__);
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|             $this->error(null,_('There was a database error while saving your file. Please try again.'));
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|         }
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| 
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|         return $file;
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|     }
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| 
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|     function maybeAddRedir($file_id, $url)
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|     {
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|         $file_redir = File_redirection::staticGet('url', $url);
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| 
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|         if (empty($file_redir)) {
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|             $file_redir = new File_redirection;
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|             $file_redir->url = $url;
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|             $file_redir->file_id = $file_id;
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| 
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|             $result = $file_redir->insert();
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| 
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|             if (!$result) {
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|                 common_log_db_error($file_redir, "INSERT", __FILE__);
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|                 $this->error(null,_('There was a database error while saving your file. Please try again.'));
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|             }
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|         }
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|     }
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| 
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|     function getUploadedFileType($fileHandle) {
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|         require_once 'MIME/Type.php';
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| 
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|         $cmd = &PEAR::getStaticProperty('MIME_Type', 'fileCmd');
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|         $cmd = common_config('attachments', 'filecommand');
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| 
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|         $stream  = stream_get_meta_data($fileHandle);
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|         $filetype = MIME_Type::autoDetect($stream['uri']);
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|         if (in_array($filetype, common_config('attachments', 'supported'))) {
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|             return $filetype;
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|         }
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|         $media = MIME_Type::getMedia($filetype);
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|         if ('application' !== $media) {
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|             $hint = sprintf(_(' Try using another %s format.'), $media);
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|         } else {
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|             $hint = '';
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|         }
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|         $this->error(null,sprintf(
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|             _('%s is not a supported filetype on this server.'), $filetype) . $hint);
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|     }
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| 
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|     function isRespectsQuota($user,$fileSize) {
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|         $file = new File;
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|         $ret = $file->isRespectsQuota($user,$fileSize);
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|         if (true === $ret) return true;
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|         $this->error(null,$ret);
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|     }
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| 
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|     function error($from, $msg)
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|     {
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|         file_put_contents("php://stderr", $msg . "\n");
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|         exit(1);
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|     }
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| 
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|     function user_from($from_hdr)
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|     {
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|         $froms = mailparse_rfc822_parse_addresses($from_hdr);
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|         if (!$froms) {
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|             return null;
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|         }
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|         $from = $froms[0];
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|         $addr = common_canonical_email($from['address']);
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|         $user = User::staticGet('email', $addr);
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|         if (!$user) {
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|             $user = User::staticGet('smsemail', $addr);
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|         }
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|         return $user;
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|     }
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| 
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|     function user_match_to($user, $to_hdr)
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|     {
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|         $incoming = $user->incomingemail;
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|         $tos = mailparse_rfc822_parse_addresses($to_hdr);
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|         foreach ($tos as $to) {
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|             if (strcasecmp($incoming, $to['address']) == 0) {
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|                 return true;
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|             }
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|         }
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|         return false;
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|     }
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| 
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|     function handle_command($user, $from, $msg)
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|     {
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|         $inter = new CommandInterpreter();
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|         $cmd = $inter->handle_command($user, $msg);
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|         if ($cmd) {
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|             $cmd->execute(new MailChannel($from));
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|             return true;
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|         }
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|         return false;
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|     }
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| 
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|     function respond($from, $to, $response)
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|     {
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| 
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|         $headers['From'] = $to;
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|         $headers['To'] = $from;
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|         $headers['Subject'] = "Command complete";
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| 
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|         return mail_send(array($from), $headers, $response);
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|     }
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| 
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|     function log($level, $msg)
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|     {
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|         common_log($level, 'MailDaemon: '.$msg);
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|     }
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| 
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|     function add_notice($user, $msg, $fileRecords)
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|     {
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|         try {
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|             $notice = Notice::saveNew($user->id, $msg, 'mail');
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|         } catch (Exception $e) {
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|             $this->log(LOG_ERR, $e->getMessage());
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|             return $e->getMessage();
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|         }
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|         foreach($fileRecords as $fileRecord){
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|             $this->attachFile($notice, $fileRecord);
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|         }
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|         common_broadcast_notice($notice);
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|         $this->log(LOG_INFO,
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|                    'Added notice ' . $notice->id . ' from user ' . $user->nickname);
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|         return true;
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|     }
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| 
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|     function attachFile($notice, $filerec)
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|     {
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|         File_to_post::processNew($filerec->id, $notice->id);
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| 
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|         $this->maybeAddRedir($filerec->id,
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|             common_local_url('file', array('notice' => $notice->id)));
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|     }
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| 
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|     function parse_message($fname)
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|     {
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|         $contents = file_get_contents($fname);
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|         $parsed = Mail_mimeDecode::decode(array('input' => $contents,
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|                                                 'include_bodies' => true,
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|                                                 'decode_headers' => true,
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|                                                 'decode_bodies' => true));
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|         if (!$parsed) {
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|             return null;
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|         }
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| 
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|         $from = $parsed->headers['from'];
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| 
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|         $to = $parsed->headers['to'];
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| 
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|         $type = $parsed->ctype_primary . '/' . $parsed->ctype_secondary;
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| 
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|         $attachments = array();
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| 
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|         $this->extract_part($parsed,$msg,$attachments);
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| 
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|         return array($from, $to, $msg, $attachments);
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|     }
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| 
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|     function extract_part($parsed,&$msg,&$attachments){
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|         if ($parsed->ctype_primary == 'multipart') {
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|             if($parsed->ctype_secondary == 'alternative'){
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|                 $altmsg = $this->extract_msg_from_multipart_alternative_part($parsed);
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|                 if(!empty($altmsg)) $msg = $altmsg;
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|             }else{
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|                 foreach($parsed->parts as $part){
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|                     $this->extract_part($part,$msg,$attachments);
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|                 }
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|             }
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|         } else if ($parsed->ctype_primary == 'text'
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|             && $parsed->ctype_secondary=='plain') {
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|             $msg = $parsed->body;
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|             if(strtolower($parsed->ctype_parameters['charset']) != "utf-8"){
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|                 $msg = utf8_encode($msg);
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|             }
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|         }else if(!empty($parsed->body)){
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|             if(common_config('attachments', 'uploads')){
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|                 //only save attachments if uploads are enabled
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|                 $attachment = tmpfile();
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|                 fwrite($attachment, $parsed->body);
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|                 $attachments[] = $attachment;
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|             }
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|         }
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|     }
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| 
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|     function extract_msg_from_multipart_alternative_part($parsed){
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|         foreach ($parsed->parts as $part) {
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|             $this->extract_part($part,$msg,$attachments);
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|         }
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|         //we don't want any attachments that are a result of this parsing
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|         return $msg;
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|     }
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| 
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|     function unsupported_type($type)
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|     {
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|         $this->error(null, "Unsupported message type: " . $type);
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|     }
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| 
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|     function cleanup_msg($msg)
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|     {
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|         $lines = explode("\n", $msg);
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| 
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|         $output = '';
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| 
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|         foreach ($lines as $line) {
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|             // skip quotes
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|             if (preg_match('/^\s*>.*$/', $line)) {
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|                 continue;
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|             }
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|             // skip start of quote
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|             if (preg_match('/^\s*On.*wrote:\s*$/', $line)) {
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|                 continue;
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|             }
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|             // probably interesting to someone, not us
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|             if (preg_match('/^\s*Sent via/', $line)) {
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|                 continue;
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|             }
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|             // skip everything after a sig
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|             if (preg_match('/^\s*--+\s*$/', $line) ||
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|                 preg_match('/^\s*__+\s*$/', $line))
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|             {
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|                 break;
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|             }
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|             // skip everything after Outlook quote
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|             if (preg_match('/^\s*-+\s*Original Message\s*-+\s*$/', $line)) {
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|                 break;
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|             }
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|             // skip everything after weird forward
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|             if (preg_match('/^\s*Begin\s+forward/', $line)) {
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|                 break;
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|             }
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| 
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|             $output .= ' ' . $line;
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|         }
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| 
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|         preg_replace('/\s+/', ' ', $output);
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|         return trim($output);
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|     }
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| }
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| 
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| if (common_config('emailpost', 'enabled')) {
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|     $md = new MailerDaemon();
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|     $md->handle_message('php://stdin');
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| }
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