[5146] | 1 | <?php |
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| 2 | /** |
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| 3 | * Zend Framework |
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| 4 | * |
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| 5 | * LICENSE |
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| 6 | * |
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| 7 | * This source file is subject to the new BSD license that is bundled |
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| 8 | * with this package in the file LICENSE.txt. |
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| 9 | * It is also available through the world-wide-web at this URL: |
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| 10 | * http://framework.zend.com/license/new-bsd |
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| 11 | * If you did not receive a copy of the license and are unable to |
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| 12 | * obtain it through the world-wide-web, please send an email |
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| 13 | * to license@zend.com so we can send you a copy immediately. |
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| 14 | * |
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| 15 | * @category Zend |
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| 16 | * @package Zend_Mail |
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| 17 | * @subpackage Transport |
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| 18 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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| 19 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 20 | * @version $Id: Abstract.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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| 21 | */ |
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| 22 | |
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| 23 | |
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| 24 | /** |
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| 25 | * @see Zend_Mime |
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| 26 | */ |
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| 27 | require_once 'Zend/Mime.php'; |
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| 28 | |
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| 29 | |
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| 30 | /** |
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| 31 | * Abstract for sending eMails through different |
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| 32 | * ways of transport |
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| 33 | * |
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| 34 | * @category Zend |
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| 35 | * @package Zend_Mail |
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| 36 | * @subpackage Transport |
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| 37 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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| 38 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 39 | */ |
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| 40 | abstract class Zend_Mail_Transport_Abstract |
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| 41 | { |
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| 42 | /** |
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| 43 | * Mail body |
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| 44 | * @var string |
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| 45 | * @access public |
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| 46 | */ |
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| 47 | public $body = ''; |
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| 48 | |
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| 49 | /** |
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| 50 | * MIME boundary |
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| 51 | * @var string |
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| 52 | * @access public |
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| 53 | */ |
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| 54 | public $boundary = ''; |
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| 55 | |
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| 56 | /** |
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| 57 | * Mail header string |
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| 58 | * @var string |
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| 59 | * @access public |
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| 60 | */ |
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| 61 | public $header = ''; |
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| 62 | |
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| 63 | /** |
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| 64 | * Array of message headers |
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| 65 | * @var array |
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| 66 | * @access protected |
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| 67 | */ |
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| 68 | protected $_headers = array(); |
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| 69 | |
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| 70 | /** |
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| 71 | * Message is a multipart message |
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| 72 | * @var boolean |
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| 73 | * @access protected |
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| 74 | */ |
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| 75 | protected $_isMultipart = false; |
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| 76 | |
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| 77 | /** |
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| 78 | * Zend_Mail object |
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| 79 | * @var false|Zend_Mail |
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| 80 | * @access protected |
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| 81 | */ |
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| 82 | protected $_mail = false; |
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| 83 | |
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| 84 | /** |
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| 85 | * Array of message parts |
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| 86 | * @var array |
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| 87 | * @access protected |
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| 88 | */ |
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| 89 | protected $_parts = array(); |
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| 90 | |
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| 91 | /** |
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| 92 | * Recipients string |
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| 93 | * @var string |
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| 94 | * @access public |
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| 95 | */ |
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| 96 | public $recipients = ''; |
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| 97 | |
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| 98 | /** |
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| 99 | * EOL character string used by transport |
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| 100 | * @var string |
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| 101 | * @access public |
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| 102 | */ |
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| 103 | public $EOL = "\r\n"; |
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| 104 | |
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| 105 | /** |
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| 106 | * Send an email independent from the used transport |
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| 107 | * |
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| 108 | * The requisite information for the email will be found in the following |
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| 109 | * properties: |
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| 110 | * |
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| 111 | * - {@link $recipients} - list of recipients (string) |
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| 112 | * - {@link $header} - message header |
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| 113 | * - {@link $body} - message body |
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| 114 | */ |
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| 115 | abstract protected function _sendMail(); |
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| 116 | |
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| 117 | /** |
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| 118 | * Return all mail headers as an array |
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| 119 | * |
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| 120 | * If a boundary is given, a multipart header is generated with a |
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| 121 | * Content-Type of either multipart/alternative or multipart/mixed depending |
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| 122 | * on the mail parts present in the {@link $_mail Zend_Mail object} present. |
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| 123 | * |
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| 124 | * @param string $boundary |
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| 125 | * @return array |
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| 126 | */ |
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| 127 | protected function _getHeaders($boundary) |
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| 128 | { |
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| 129 | if (null !== $boundary) { |
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| 130 | // Build multipart mail |
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| 131 | $type = $this->_mail->getType(); |
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| 132 | if (!$type) { |
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| 133 | if ($this->_mail->hasAttachments) { |
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| 134 | $type = Zend_Mime::MULTIPART_MIXED; |
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| 135 | } elseif ($this->_mail->getBodyText() && $this->_mail->getBodyHtml()) { |
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| 136 | $type = Zend_Mime::MULTIPART_ALTERNATIVE; |
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| 137 | } else { |
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| 138 | $type = Zend_Mime::MULTIPART_MIXED; |
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| 139 | } |
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| 140 | } |
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| 141 | |
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| 142 | $this->_headers['Content-Type'] = array( |
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| 143 | $type . ';' |
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| 144 | . $this->EOL |
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| 145 | . " " . 'boundary="' . $boundary . '"' |
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| 146 | ); |
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| 147 | $this->boundary = $boundary; |
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| 148 | } |
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| 149 | |
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| 150 | $this->_headers['MIME-Version'] = array('1.0'); |
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| 151 | |
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| 152 | return $this->_headers; |
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| 153 | } |
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| 154 | |
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| 155 | /** |
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| 156 | * Prepend header name to header value |
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| 157 | * |
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| 158 | * @param string $item |
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| 159 | * @param string $key |
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| 160 | * @param string $prefix |
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| 161 | * @static |
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| 162 | * @access protected |
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| 163 | * @return void |
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| 164 | */ |
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| 165 | protected static function _formatHeader(&$item, $key, $prefix) |
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| 166 | { |
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| 167 | $item = $prefix . ': ' . $item; |
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| 168 | } |
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| 169 | |
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| 170 | /** |
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| 171 | * Prepare header string for use in transport |
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| 172 | * |
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| 173 | * Prepares and generates {@link $header} based on the headers provided. |
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| 174 | * |
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| 175 | * @param mixed $headers |
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| 176 | * @access protected |
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| 177 | * @return void |
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| 178 | * @throws Zend_Mail_Transport_Exception if any header lines exceed 998 |
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| 179 | * characters |
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| 180 | */ |
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| 181 | protected function _prepareHeaders($headers) |
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| 182 | { |
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| 183 | if (!$this->_mail) { |
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| 184 | /** |
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| 185 | * @see Zend_Mail_Transport_Exception |
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| 186 | */ |
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| 187 | require_once 'Zend/Mail/Transport/Exception.php'; |
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| 188 | throw new Zend_Mail_Transport_Exception('Missing Zend_Mail object in _mail property'); |
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| 189 | } |
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| 190 | |
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| 191 | $this->header = ''; |
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| 192 | |
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| 193 | foreach ($headers as $header => $content) { |
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| 194 | if (isset($content['append'])) { |
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| 195 | unset($content['append']); |
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| 196 | $value = implode(',' . $this->EOL . ' ', $content); |
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| 197 | $this->header .= $header . ': ' . $value . $this->EOL; |
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| 198 | } else { |
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| 199 | array_walk($content, array(get_class($this), '_formatHeader'), $header); |
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| 200 | $this->header .= implode($this->EOL, $content) . $this->EOL; |
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| 201 | } |
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| 202 | } |
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| 203 | |
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| 204 | // Sanity check on headers -- should not be > 998 characters |
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| 205 | $sane = true; |
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| 206 | foreach (explode($this->EOL, $this->header) as $line) { |
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| 207 | if (strlen(trim($line)) > 998) { |
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| 208 | $sane = false; |
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| 209 | break; |
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| 210 | } |
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| 211 | } |
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| 212 | if (!$sane) { |
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| 213 | /** |
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| 214 | * @see Zend_Mail_Transport_Exception |
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| 215 | */ |
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| 216 | require_once 'Zend/Mail/Transport/Exception.php'; |
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| 217 | throw new Zend_Mail_Exception('At least one mail header line is too long'); |
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| 218 | } |
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| 219 | } |
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| 220 | |
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| 221 | /** |
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| 222 | * Generate MIME compliant message from the current configuration |
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| 223 | * |
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| 224 | * If both a text and HTML body are present, generates a |
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| 225 | * multipart/alternative Zend_Mime_Part containing the headers and contents |
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| 226 | * of each. Otherwise, uses whichever of the text or HTML parts present. |
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| 227 | * |
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| 228 | * The content part is then prepended to the list of Zend_Mime_Parts for |
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| 229 | * this message. |
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| 230 | * |
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| 231 | * @return void |
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| 232 | */ |
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| 233 | protected function _buildBody() |
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| 234 | { |
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| 235 | if (($text = $this->_mail->getBodyText()) |
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| 236 | && ($html = $this->_mail->getBodyHtml())) |
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| 237 | { |
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| 238 | // Generate unique boundary for multipart/alternative |
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| 239 | $mime = new Zend_Mime(null); |
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| 240 | $boundaryLine = $mime->boundaryLine($this->EOL); |
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| 241 | $boundaryEnd = $mime->mimeEnd($this->EOL); |
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| 242 | |
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| 243 | $text->disposition = false; |
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| 244 | $html->disposition = false; |
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| 245 | |
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| 246 | $body = $boundaryLine |
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| 247 | . $text->getHeaders($this->EOL) |
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| 248 | . $this->EOL |
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| 249 | . $text->getContent($this->EOL) |
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| 250 | . $this->EOL |
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| 251 | . $boundaryLine |
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| 252 | . $html->getHeaders($this->EOL) |
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| 253 | . $this->EOL |
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| 254 | . $html->getContent($this->EOL) |
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| 255 | . $this->EOL |
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| 256 | . $boundaryEnd; |
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| 257 | |
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| 258 | $mp = new Zend_Mime_Part($body); |
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| 259 | $mp->type = Zend_Mime::MULTIPART_ALTERNATIVE; |
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| 260 | $mp->boundary = $mime->boundary(); |
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| 261 | |
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| 262 | $this->_isMultipart = true; |
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| 263 | |
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| 264 | // Ensure first part contains text alternatives |
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| 265 | array_unshift($this->_parts, $mp); |
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| 266 | |
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| 267 | // Get headers |
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| 268 | $this->_headers = $this->_mail->getHeaders(); |
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| 269 | return; |
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| 270 | } |
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| 271 | |
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| 272 | // If not multipart, then get the body |
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| 273 | if (false !== ($body = $this->_mail->getBodyHtml())) { |
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| 274 | array_unshift($this->_parts, $body); |
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| 275 | } elseif (false !== ($body = $this->_mail->getBodyText())) { |
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| 276 | array_unshift($this->_parts, $body); |
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| 277 | } |
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| 278 | |
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| 279 | if (!$body) { |
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| 280 | /** |
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| 281 | * @see Zend_Mail_Transport_Exception |
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| 282 | */ |
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| 283 | require_once 'Zend/Mail/Transport/Exception.php'; |
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| 284 | throw new Zend_Mail_Transport_Exception('No body specified'); |
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| 285 | } |
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| 286 | |
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| 287 | // Get headers |
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| 288 | $this->_headers = $this->_mail->getHeaders(); |
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| 289 | $headers = $body->getHeadersArray($this->EOL); |
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| 290 | foreach ($headers as $header) { |
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| 291 | // Headers in Zend_Mime_Part are kept as arrays with two elements, a |
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| 292 | // key and a value |
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| 293 | $this->_headers[$header[0]] = array($header[1]); |
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| 294 | } |
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| 295 | } |
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| 296 | |
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| 297 | /** |
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| 298 | * Send a mail using this transport |
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| 299 | * |
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| 300 | * @param Zend_Mail $mail |
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| 301 | * @access public |
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| 302 | * @return void |
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| 303 | * @throws Zend_Mail_Transport_Exception if mail is empty |
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| 304 | */ |
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| 305 | public function send(Zend_Mail $mail) |
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| 306 | { |
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| 307 | $this->_isMultipart = false; |
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| 308 | $this->_mail = $mail; |
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| 309 | $this->_parts = $mail->getParts(); |
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| 310 | $mime = $mail->getMime(); |
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| 311 | |
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| 312 | // Build body content |
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| 313 | $this->_buildBody(); |
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| 314 | |
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| 315 | // Determine number of parts and boundary |
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| 316 | $count = count($this->_parts); |
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| 317 | $boundary = null; |
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| 318 | if ($count < 1) { |
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| 319 | /** |
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| 320 | * @see Zend_Mail_Transport_Exception |
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| 321 | */ |
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| 322 | require_once 'Zend/Mail/Transport/Exception.php'; |
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| 323 | throw new Zend_Mail_Transport_Exception('Empty mail cannot be sent'); |
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| 324 | } |
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| 325 | |
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| 326 | if ($count > 1) { |
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| 327 | // Multipart message; create new MIME object and boundary |
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| 328 | $mime = new Zend_Mime($this->_mail->getMimeBoundary()); |
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| 329 | $boundary = $mime->boundary(); |
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| 330 | } elseif ($this->_isMultipart) { |
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| 331 | // multipart/alternative -- grab boundary |
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| 332 | $boundary = $this->_parts[0]->boundary; |
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| 333 | } |
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| 334 | |
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| 335 | // Determine recipients, and prepare headers |
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| 336 | $this->recipients = implode(',', $mail->getRecipients()); |
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| 337 | $this->_prepareHeaders($this->_getHeaders($boundary)); |
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| 338 | |
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| 339 | // Create message body |
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| 340 | // This is done so that the same Zend_Mail object can be used in |
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| 341 | // multiple transports |
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| 342 | $message = new Zend_Mime_Message(); |
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| 343 | $message->setParts($this->_parts); |
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| 344 | $message->setMime($mime); |
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| 345 | $this->body = $message->generateMessage($this->EOL); |
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| 346 | |
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| 347 | // Send to transport! |
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| 348 | $this->_sendMail(); |
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| 349 | } |
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| 350 | } |
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