CRM/Mailing/MailStore.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.6                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2014                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26 */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2014
  32  * $Id$
  33  *
  34  */
  35 class CRM_Mailing_MailStore {
  36   // flag to decide whether to print debug messages
  37   var $_debug = FALSE;
  38
  39   /**
  40    * Return the proper mail store implementation, based on config settings
  41    *
  42    * @param string $name
  43    *   Name of the settings set from civimail_mail_settings to use (null for default).
  44    *
  45    * @throws Exception
  46    * @return object
  47    *   mail store implementation for processing CiviMail-bound emails
  48    */
  49   public static function getStore($name = NULL) {
  50     $dao               = new CRM_Core_DAO_MailSettings;
  51     $dao->domain_id    = CRM_Core_Config::domainID();
  52     $name ? $dao->name = $name : $dao->is_default = 1;
  53     if (!$dao->find(TRUE)) {
  54       throw new Exception("Could not find entry named $name in civicrm_mail_settings");
  55     }
  56
  57     $protocols = CRM_Core_PseudoConstant::get('CRM_Core_DAO_MailSettings', 'protocol');
  58     if (empty($protocols[$dao->protocol])) {
  59       throw new Exception("Empty mail protocol");
  60     }
  61
  62     switch ($protocols[$dao->protocol]) {
  63       case 'IMAP':
  64         return new CRM_Mailing_MailStore_Imap($dao->server, $dao->username, $dao->password, (bool) $dao->is_ssl, $dao->source);
  65
  66       case 'POP3':
  67         return new CRM_Mailing_MailStore_Pop3($dao->server, $dao->username, $dao->password, (bool) $dao->is_ssl);
  68
  69       case 'Maildir':
  70         return new CRM_Mailing_MailStore_Maildir($dao->source);
  71
  72       case 'Localdir':
  73         return new CRM_Mailing_MailStore_Localdir($dao->source);
  74
  75       // DO NOT USE the mbox transport for anything other than testing
  76       // in particular, it does not clear the mbox afterwards
  77
  78       case 'mbox':
  79         return new CRM_Mailing_MailStore_Mbox($dao->source);
  80
  81       default:
  82         throw new Exception("Unknown protocol {$dao->protocol}");
  83     }
  84   }
  85
  86   /**
  87    * Return all emails in the mail store
  88    *
  89    * @return array
  90    *   array of ezcMail objects
  91    */
  92   public function allMails() {
  93     return $this->fetchNext(0);
  94   }
  95
  96   /**
  97    * Expunge the messages marked for deletion; stub function to be redefined by IMAP store
  98    */
  99   public function expunge() {
 100   }
 101
 102   /**
 103    * Return the next X messages from the mail store
 104    *
 105    * @param int $count
 106    *   Number of messages to fetch (0 to fetch all).
 107    *
 108    * @return array
 109    *   array of ezcMail objects
 110    */
 111   public function fetchNext($count = 1) {
 112     if (isset($this->_transport->options->uidReferencing) and $this->_transport->options->uidReferencing) {
 113       $offset = array_shift($this->_transport->listUniqueIdentifiers());
 114     }
 115     else {
 116       $offset = 1;
 117     }
 118     try {
 119       $set = $this->_transport->fetchFromOffset($offset, $count);
 120       if ($this->_debug) {
 121         print "fetching $count messages\n";
 122       }
 123     }
 124     catch(ezcMailOffsetOutOfRangeException$e) {
 125       if ($this->_debug) {
 126         print "got to the end of the mailbox\n";
 127       }
 128       return array();
 129     }
 130     $mails = array();
 131     $parser = new ezcMailParser;
 132     //set property text attachment as file CRM-5408
 133     $parser->options->parseTextAttachmentsAsFiles = TRUE;
 134
 135     foreach ($set->getMessageNumbers() as $nr) {
 136       if ($this->_debug) {
 137         print "retrieving message $nr\n";
 138       }
 139       $single = $parser->parseMail($this->_transport->fetchByMessageNr($nr));
 140       $mails[$nr] = $single[0];
 141     }
 142     return $mails;
 143   }
 144
 145   /**
 146    * Point to (and create if needed) a local Maildir for storing retrieved mail
 147    *
 148    * @param string $name
 149    *   Name of the Maildir.
 150    *
 151    * @throws Exception
 152    * @return string
 153    *   path to the Maildir's cur directory
 154    */
 155   public function maildir($name) {
 156     $config = CRM_Core_Config::singleton();
 157     $dir = $config->customFileUploadDir . DIRECTORY_SEPARATOR . $name;
 158     foreach (array(
 159       'cur', 'new', 'tmp') as $sub) {
 160       if (!file_exists($dir . DIRECTORY_SEPARATOR . $sub)) {
 161         if ($this->_debug) {
 162           print "creating $dir/$sub\n";
 163         }
 164         if (!mkdir($dir . DIRECTORY_SEPARATOR . $sub, 0700, TRUE)) {
 165           throw new Exception('Could not create ' . $dir . DIRECTORY_SEPARATOR . $sub);
 166         }
 167       }
 168     }
 169     return $dir . DIRECTORY_SEPARATOR . 'cur';
 170   }
 171 }