diff options
Diffstat (limited to 'system/libraries/Email.php')
| -rw-r--r-- | system/libraries/Email.php | 524 |
1 files changed, 290 insertions, 234 deletions
diff --git a/system/libraries/Email.php b/system/libraries/Email.php index 997757b0a..36cebfab5 100644 --- a/system/libraries/Email.php +++ b/system/libraries/Email.php @@ -94,6 +94,13 @@ class CI_Email { * @var int */ public $smtp_timeout = 5; + + /** + * STMP Persistent connection + * + * @var bool + */ + public $smtp_keepalive = FALSE; /** * SMTP Encryption @@ -399,6 +406,19 @@ class CI_Email { log_message('debug', 'Email Class Initialized'); } + + // -------------------------------------------------------------------- + + /** + * Destructor - Releases Resources + * + * @return void + */ + function __destruct() + { + if(is_resource($this->_smtp_connect)) + $this->_send_command('quit'); + } // -------------------------------------------------------------------- @@ -770,6 +790,23 @@ class CI_Email { // -------------------------------------------------------------------- + /** + * Set Useragent + * + * @param string + * @return void + */ + public function set_useragent($type = '') + { + if( ! $type) + $this->useragent = isset($_SERVER['HTTP_USER_AGENT'])? $_SERVER['HTTP_USER_AGENT'] : 'PHP/'.phpversion(); + else + $this->useragent = $type; + return $this; + } + + // -------------------------------------------------------------------- + /** * Set Wordwrap * @@ -1766,241 +1803,260 @@ class CI_Email { * @return bool */ protected function _send_with_smtp() - { - if ($this->smtp_host === '') - { - $this->_set_error_message('lang:email_no_hostname'); - return FALSE; - } - - if ( ! $this->_smtp_connect() OR ! $this->_smtp_authenticate()) - { - return FALSE; - } - - $this->_send_command('from', $this->clean_email($this->_headers['From'])); - - foreach ($this->_recipients as $val) - { - $this->_send_command('to', $val); - } - - if (count($this->_cc_array) > 0) - { - foreach ($this->_cc_array as $val) - { - if ($val !== '') - { - $this->_send_command('to', $val); - } - } - } - - if (count($this->_bcc_array) > 0) - { - foreach ($this->_bcc_array as $val) - { - if ($val !== '') - { - $this->_send_command('to', $val); - } - } - } - - $this->_send_command('data'); - - // perform dot transformation on any lines that begin with a dot - $this->_send_data($this->_header_str.preg_replace('/^\./m', '..$1', $this->_finalbody)); - - $this->_send_data('.'); - - $reply = $this->_get_smtp_data(); - - $this->_set_error_message($reply); - - if (strpos($reply, '250') !== 0) - { - $this->_set_error_message('lang:email_smtp_error', $reply); - return FALSE; - } - - $this->_send_command('quit'); - return TRUE; - } - - // -------------------------------------------------------------------- - - /** - * SMTP Connect - * - * @return string - */ - protected function _smtp_connect() - { - $ssl = ($this->smtp_crypto === 'ssl') ? 'ssl://' : NULL; - - $this->_smtp_connect = fsockopen($ssl.$this->smtp_host, - $this->smtp_port, - $errno, - $errstr, - $this->smtp_timeout); - - if ( ! is_resource($this->_smtp_connect)) - { - $this->_set_error_message('lang:email_smtp_error', $errno.' '.$errstr); - return FALSE; - } - - $this->_set_error_message($this->_get_smtp_data()); - - if ($this->smtp_crypto === 'tls') - { - $this->_send_command('hello'); - $this->_send_command('starttls'); - - $crypto = stream_socket_enable_crypto($this->_smtp_connect, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT); - - if ($crypto !== TRUE) - { - $this->_set_error_message('lang:email_smtp_error', $this->_get_smtp_data()); - return FALSE; - } - } - - return $this->_send_command('hello'); - } - - // -------------------------------------------------------------------- + { + if ($this->smtp_host === '') + { + $this->_set_error_message('lang:email_no_hostname'); + return FALSE; + } + + if ( ! $this->_smtp_connect() OR ! $this->_smtp_authenticate()) + { + return FALSE; + } + + $this->_send_command('from', $this->clean_email($this->_headers['From'])); + + foreach ($this->_recipients as $val) + { + $this->_send_command('to', $val); + } + + if (count($this->_cc_array) > 0) + { + foreach ($this->_cc_array as $val) + { + if ($val !== '') + { + $this->_send_command('to', $val); + } + } + } + + if (count($this->_bcc_array) > 0) + { + foreach ($this->_bcc_array as $val) + { + if ($val !== '') + { + $this->_send_command('to', $val); + } + } + } + + $this->_send_command('data'); + + // perform dot transformation on any lines that begin with a dot + $this->_send_data($this->_header_str.preg_replace('/^\./m', '..$1', $this->_finalbody)); + + $this->_send_data('.'); + + $reply = $this->_get_smtp_data(); + + $this->_set_error_message($reply); + + if (strpos($reply, '250') !== 0) + { + $this->_set_error_message('lang:email_smtp_error', $reply); + return FALSE; + } + + if($this->smtp_keepalive) + $this->_send_command('reset'); + else + $this->_send_command('quit'); + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * SMTP Connect + * + * @param bool + * @return string + */ + protected function _smtp_connect($force=FALSE) + { + if( ! is_resource($this->_smtp_connect) || $force) + { + $ssl = ($this->smtp_crypto === 'ssl') ? 'ssl://' : NULL; + + $this->_smtp_connect = fsockopen($ssl.$this->smtp_host, + $this->smtp_port, + $errno, + $errstr, + $this->smtp_timeout); + + if ( ! is_resource($this->_smtp_connect)) + { + $this->_set_error_message('lang:email_smtp_error', $errno.' '.$errstr); + return FALSE; + } + + stream_set_timeout($this->_smtp_connect, $this->smtp_timeout); + $this->_set_error_message($this->_get_smtp_data()); + + if ($this->smtp_crypto === 'tls') + { + $this->_send_command('hello'); + $this->_send_command('starttls'); + + $crypto = stream_socket_enable_crypto($this->_smtp_connect, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT); + + if ($crypto !== TRUE) + { + $this->_set_error_message('lang:email_smtp_error', $this->_get_smtp_data()); + return FALSE; + } + } + + return $this->_send_command('hello'); + } + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Send SMTP command + * + * @param string + * @param string + * @return string + */ + protected function _send_command($cmd, $data = '') + { + switch ($cmd) + { + case 'hello' : + + if ($this->_smtp_auth OR $this->_get_encoding() === '8bit') + { + $this->_send_data('EHLO '.$this->_get_hostname()); + } + else + { + $this->_send_data('HELO '.$this->_get_hostname()); + } + + $resp = 250; + break; + case 'starttls' : + + $this->_send_data('STARTTLS'); + $resp = 220; + break; + case 'from' : + + $this->_send_data('MAIL FROM:<'.$data.'>'); + $resp = 250; + break; + case 'to' : + + if ($this->dsn) + { + $this->_send_data('RCPT TO:<'.$data.'> NOTIFY=SUCCESS,DELAY,FAILURE ORCPT=rfc822;'.$data); + } + else + { + $this->_send_data('RCPT TO:<'.$data.'>'); + } + + $resp = 250; + break; + case 'data' : + + $this->_send_data('DATA'); + $resp = 354; + break; + case 'reset': + + $this->_send_data('RSET'); + + $resp = 250; + break; + case 'quit' : + + $this->_send_data('QUIT'); + $resp = 221; + break; + } + + $reply = $this->_get_smtp_data(); + + $this->_debug_msg[] = '<pre>'.$cmd.': '.$reply.'</pre>'; + + if ((int) substr($reply, 0, 3) !== $resp) + { + $this->_set_error_message('lang:email_smtp_error', $reply); + return FALSE; + } + + if ($cmd === 'quit') + { + fclose($this->_smtp_connect); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * SMTP Authenticate + * + * @return bool + */ + protected function _smtp_authenticate() + { + if ( ! $this->_smtp_auth) + { + return TRUE; + } + + if ($this->smtp_user === '' && $this->smtp_pass === '') + { + $this->_set_error_message('lang:email_no_smtp_unpw'); + return FALSE; + } + + $this->_send_data('AUTH LOGIN'); + + $reply = $this->_get_smtp_data(); + + if (strpos($reply, '503') === 0) // Already authenticated + return TRUE; + + if (strpos($reply, '334') !== 0) + { + $this->_set_error_message('lang:email_failed_smtp_login', $reply); + return FALSE; + } + + $this->_send_data(base64_encode($this->smtp_user)); + + $reply = $this->_get_smtp_data(); + + if (strpos($reply, '334') !== 0) + { + $this->_set_error_message('lang:email_smtp_auth_un', $reply); + return FALSE; + } + + $this->_send_data(base64_encode($this->smtp_pass)); + + $reply = $this->_get_smtp_data(); + + if (strpos($reply, '235') !== 0) + { + $this->_set_error_message('lang:email_smtp_auth_pw', $reply); + return FALSE; + } - /** - * Send SMTP command - * - * @param string - * @param string - * @return string - */ - protected function _send_command($cmd, $data = '') - { - switch ($cmd) - { - case 'hello' : - - if ($this->_smtp_auth OR $this->_get_encoding() === '8bit') - { - $this->_send_data('EHLO '.$this->_get_hostname()); - } - else - { - $this->_send_data('HELO '.$this->_get_hostname()); - } - - $resp = 250; - break; - case 'starttls' : - - $this->_send_data('STARTTLS'); - $resp = 220; - break; - case 'from' : - - $this->_send_data('MAIL FROM:<'.$data.'>'); - $resp = 250; - break; - case 'to' : - - if ($this->dsn) - { - $this->_send_data('RCPT TO:<'.$data.'> NOTIFY=SUCCESS,DELAY,FAILURE ORCPT=rfc822;'.$data); - } - else - { - $this->_send_data('RCPT TO:<'.$data.'>'); - } - - $resp = 250; - break; - case 'data' : - - $this->_send_data('DATA'); - $resp = 354; - break; - case 'quit' : - - $this->_send_data('QUIT'); - $resp = 221; - break; - } - - $reply = $this->_get_smtp_data(); - - $this->_debug_msg[] = '<pre>'.$cmd.': '.$reply.'</pre>'; - - if ((int) substr($reply, 0, 3) !== $resp) - { - $this->_set_error_message('lang:email_smtp_error', $reply); - return FALSE; - } - - if ($cmd === 'quit') - { - fclose($this->_smtp_connect); - } - - return TRUE; - } - - // -------------------------------------------------------------------- - - /** - * SMTP Authenticate - * - * @return bool - */ - protected function _smtp_authenticate() - { - if ( ! $this->_smtp_auth) - { - return TRUE; - } - - if ($this->smtp_user === '' && $this->smtp_pass === '') - { - $this->_set_error_message('lang:email_no_smtp_unpw'); - return FALSE; - } - - $this->_send_data('AUTH LOGIN'); - - $reply = $this->_get_smtp_data(); - - if (strpos($reply, '334') !== 0) - { - $this->_set_error_message('lang:email_failed_smtp_login', $reply); - return FALSE; - } - - $this->_send_data(base64_encode($this->smtp_user)); - - $reply = $this->_get_smtp_data(); - - if (strpos($reply, '334') !== 0) - { - $this->_set_error_message('lang:email_smtp_auth_un', $reply); - return FALSE; - } - - $this->_send_data(base64_encode($this->smtp_pass)); - - $reply = $this->_get_smtp_data(); - - if (strpos($reply, '235') !== 0) - { - $this->_set_error_message('lang:email_smtp_auth_pw', $reply); - return FALSE; - } - - return TRUE; - } + return TRUE; + } // -------------------------------------------------------------------- |