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<?php |
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/** |
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* @package toolkit |
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*/ |
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/** |
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* The standard exception to be thrown by all email gateways. |
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*/ |
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class EmailGatewayException extends Exception |
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{ |
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/** |
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* Creates a new exception, and logs the error. |
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* |
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* @param string $message |
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* @param integer $code |
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* @param Exception $previous |
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* The previous exception, if nested. See |
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* http://www.php.net/manual/en/language.exceptions.extending.php |
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*/ |
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public function __construct($message, $code = 0, $previous = null) |
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{ |
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$trace = $this->getTrace(); |
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// Best-guess to retrieve classname of email-gateway. |
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// Might fail in non-standard uses, will then return an |
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// empty string. |
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$gateway_class = $trace[1]['class']?' (' . $trace[1]['class'] . ')':''; |
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Symphony::Log()->pushToLog(__('Email Gateway Error') . $gateway_class . ': ' . $message, $code, true); |
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// CDATA the $message: Do not trust input from others |
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$message = General::wrapInCDATA(trim($message)); |
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parent::__construct($message); |
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} |
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} |
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/** |
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* The validation exception to be thrown by all email gateways. |
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* This exception is thrown if data does not pass validation. |
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*/ |
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class EmailValidationException extends EmailGatewayException |
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{ |
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} |
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/** |
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* A base class for email gateways. |
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* All email-gateways should extend this class in order to work. |
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* |
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* @todo add validation to all set functions. |
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*/ |
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abstract class EmailGateway |
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{ |
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protected $_recipients = array(); |
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protected $_sender_name; |
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protected $_sender_email_address; |
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protected $_subject; |
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protected $_body; |
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protected $_text_plain; |
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protected $_text_html; |
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protected $_attachments = array(); |
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protected $_validate_attachment_errors = true; |
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protected $_reply_to_name; |
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protected $_reply_to_email_address; |
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protected $_header_fields = array(); |
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protected $_boundary_mixed; |
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protected $_boundary_alter; |
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protected $_text_encoding = 'quoted-printable'; |
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/** |
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* Indicates whether the connection to the SMTP server should be |
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* kept alive, or closed after sending each email. Defaults to false. |
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* |
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* @since Symphony 2.3.1 |
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* @var boolean |
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*/ |
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protected $_keepalive = false; |
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/** |
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* The constructor sets the `_boundary_mixed` and `_boundary_alter` variables |
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* to be unique hashes based off PHP's `uniqid` function. |
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*/ |
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public function __construct() |
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{ |
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$this->_boundary_mixed = '=_mix_'.md5(uniqid()); |
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$this->_boundary_alter = '=_alt_'.md5(uniqid()); |
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} |
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/** |
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* The destructor ensures that any open connections to the Email Gateway |
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* is closed. |
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*/ |
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public function __destruct() |
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{ |
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$this->closeConnection(); |
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} |
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/** |
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* Sends the actual email. This function should be implemented in the |
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* Email Gateway itself and should return true or false if the email |
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* was successfully sent. |
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* See the default gateway for an example. |
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* |
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* @return boolean |
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*/ |
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abstract public function send(); |
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/** |
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* Open new connection to the email server. |
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* This function is used to allow persistent connections. |
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* |
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* @since Symphony 2.3.1 |
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* @return boolean |
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*/ |
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public function openConnection() |
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{ |
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$this->_keepalive = true; |
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return true; |
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} |
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/** |
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* Close the connection to the email Server. |
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* This function is used to allow persistent connections. |
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* |
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* @since Symphony 2.3.1 |
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* @return boolean |
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*/ |
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public function closeConnection() |
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{ |
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$this->_keepalive = false; |
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return true; |
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} |
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/** |
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* Sets the sender-email and sender-name. |
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* |
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* @param string $email |
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* The email-address emails will be sent from. |
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* @param string $name |
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* The name the emails will be sent from. |
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* @throws EmailValidationException |
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* @return void |
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*/ |
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public function setFrom($email, $name) |
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{ |
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$this->setSenderEmailAddress($email); |
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$this->setSenderName($name); |
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} |
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/** |
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* Does some basic checks to validate the |
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* value of a header field. Currently only checks |
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* if the value contains a carriage return or a new line. |
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* |
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* @param string $value |
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* |
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* @return boolean |
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*/ |
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protected function validateHeaderFieldValue($value) |
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{ |
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// values can't contains carriage returns or new lines |
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$carriage_returns = preg_match('%[\r\n]%', $value); |
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return !$carriage_returns; |
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} |
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/** |
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* Sets the sender-email. |
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* |
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* @throws EmailValidationException |
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* @param string $email |
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* The email-address emails will be sent from. |
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* @return void |
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*/ |
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public function setSenderEmailAddress($email) |
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{ |
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if (!$this->validateHeaderFieldValue($email)) { |
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throw new EmailValidationException(__('Sender Email Address can not contain carriage return or newlines.')); |
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} |
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$this->_sender_email_address = $email; |
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} |
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/** |
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* Sets the sender-name. |
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* |
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* @throws EmailValidationException |
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* @param string $name |
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* The name emails will be sent from. |
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* @return void |
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*/ |
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public function setSenderName($name) |
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{ |
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if (!$this->validateHeaderFieldValue($name)) { |
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throw new EmailValidationException(__('Sender Name can not contain carriage return or newlines.')); |
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} |
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$this->_sender_name = $name; |
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} |
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/** |
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* Sets the recipients. |
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* |
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* @param string|array $email |
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* The email-address(es) to send the email to. |
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* @throws EmailValidationException |
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* @return void |
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*/ |
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public function setRecipients($email) |
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{ |
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if (!is_array($email)) { |
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$email = explode(',', $email); |
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// trim all values |
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array_walk($email, function(&$val) { |
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return $val = trim($val); |
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}); |
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// remove empty elements |
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$email = array_filter($email); |
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} |
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foreach ($email as $e) { |
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if (!$this->validateHeaderFieldValue($e)) { |
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throw new EmailValidationException(__('Recipient address can not contain carriage return or newlines.')); |
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} |
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} |
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$this->_recipients = $email; |
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} |
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/** |
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* This functions takes a string to be used as the plaintext |
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* content for the Email |
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* |
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* @todo sanitizing and security checking |
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* @param string $text_plain |
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*/ |
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public function setTextPlain($text_plain) |
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{ |
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$this->_text_plain = $text_plain; |
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} |
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/** |
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* This functions takes a string to be used as the HTML |
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* content for the Email |
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* |
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* @todo sanitizing and security checking |
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* @param string $text_html |
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*/ |
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public function setTextHtml($text_html) |
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{ |
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$this->_text_html = $text_html; |
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} |
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/** |
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* This function sets one or multiple attachment files |
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* to the email. |
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* |
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* Passing `null` to this function will |
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* erase the current values with an empty array. |
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* |
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* @param string|array $files |
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* Accepts the same parameters format as `EmailGateway::addAttachment()` |
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* but you can also all multiple values at once if all files are |
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* wrap in a array. |
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* |
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* Example: |
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* ```` |
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* $email->setAttachments(array( |
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* array( |
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* 'file' => 'http://example.com/foo.txt', |
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* 'charset' => 'UTF-8' |
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* ), |
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* 'path/to/your/webspace/foo/bar.csv', |
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* ... |
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* )); |
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* ```` |
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*/ |
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public function setAttachments($files) |
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{ |
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// Always erase |
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$this->_attachments = array(); |
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// check if we have an input value |
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if ($files == null) { |
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return; |
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} |
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// make sure we are dealing with an array |
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if (!is_array($files)) { |
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$files = array($files); |
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} |
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// Append each attachment one by one in order |
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// to normalize each input |
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foreach ($files as $key => $file) { |
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if (is_numeric($key)) { |
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// key is numeric, assume keyed array or string |
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$this->appendAttachment($file); |
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} else { |
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// key is not numeric, assume key is filename |
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// and file is a string, key needs to be preserved |
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$this->appendAttachment(array($key => $file)); |
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} |
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} |
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} |
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/** |
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* Appends one file attachment to the attachments array. |
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* |
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* @since Symphony 2.3.5 |
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* |
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* @param string|array $file |
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* Can be a string representing the file path, absolute or relative, i.e. |
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* `'http://example.com/foo.txt'` or `'path/to/your/webspace/foo/bar.csv'`. |
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* |
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* Can also be a keyed array. This will enable more options, like setting the |
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* charset used by mail agent to open the file or a different filename. |
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* |
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* Example: |
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* ```` |
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* $email->appendAttachment(array( |
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* 'file' => 'http://example.com/foo.txt', |
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* 'filename' => 'bar.txt', |
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* 'charset' => 'UTF-8', |
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* 'mime-type' => 'text/csv', |
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* )); |
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* ```` |
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*/ |
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public function appendAttachment($file) |
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{ |
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if (!is_array($file)) { |
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// treat the param as string (old format) |
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$file = array( |
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'file' => $file, |
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'filename' => null, |
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'charset' => null, |
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); |
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// is array, but not the right key |
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} elseif (!isset($file['file'])) { |
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// another (un-documented) old format: key is filename |
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$keys = array_keys($file); |
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$file = array( |
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'file' => $file[$keys[0]], |
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'filename' => is_numeric($keys[0]) ? null : $keys[0], |
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'charset' => null, |
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); |
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} |
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// push properly formatted file entry |
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$this->_attachments[] = $file; |
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} |
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/** |
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* Sets the property `$_validate_attachment_errors` |
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* |
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* This property is true by default, so sending will break if any attachment |
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* can not be loaded; if it is false, attachment errors error will be ignored. |
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* |
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* @since Symphony 2.7 |
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* @param boolean $validate_attachment_errors |
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* @return void |
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*/ |
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public function setValidateAttachmentErrors($validate_attachment_errors) |
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{ |
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if (!is_bool($validate_attachment_errors)) { |
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throw new EmailGatewayException(__('%s accepts boolean values only.', array('<code>setValidateAttachmentErrors</code>'))); |
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} else { |
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$this->_validate_attachment_errors = $validate_attachment_errors; |
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} |
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} |
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/** |
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* @todo Document this function |
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* @throws EmailGatewayException |
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* @param string $encoding |
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* Must be either `quoted-printable` or `base64`. |
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*/ |
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public function setTextEncoding($encoding = null) |
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{ |
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if ($encoding == 'quoted-printable') { |
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$this->_text_encoding = 'quoted-printable'; |
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} elseif ($encoding == 'base64') { |
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$this->_text_encoding = 'base64'; |
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} elseif (!$encoding) { |
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$this->_text_encoding = false; |
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} else { |
386
|
|
|
throw new EmailGatewayException(__('%1$s is not a supported encoding type. Please use %2$s or %3$s. You can also use %4$s for no encoding.', array($encoding, '<code>quoted-printable</code>', '<code>base-64</code>', '<code>false</code>'))); |
387
|
|
|
} |
388
|
|
|
} |
389
|
|
|
|
390
|
|
|
/** |
391
|
|
|
* Sets the subject. |
392
|
|
|
* |
393
|
|
|
* @param string $subject |
394
|
|
|
* The subject that the email will have. |
395
|
|
|
* @return void |
396
|
|
|
*/ |
397
|
|
|
public function setSubject($subject) |
398
|
|
|
{ |
399
|
|
|
//TODO: sanitizing and security checking; |
400
|
|
|
$this->_subject = $subject; |
401
|
|
|
} |
402
|
|
|
|
403
|
|
|
/** |
404
|
|
|
* Sets the reply-to-email. |
405
|
|
|
* |
406
|
|
|
* @throws EmailValidationException |
407
|
|
|
* @param string $email |
408
|
|
|
* The email-address emails should be replied to. |
409
|
|
|
* @return void |
410
|
|
|
*/ |
411
|
|
|
public function setReplyToEmailAddress($email) |
412
|
|
|
{ |
413
|
|
|
if (preg_match('%[\r\n]%', $email)) { |
414
|
|
|
throw new EmailValidationException(__('Reply-To Email Address can not contain carriage return or newlines.')); |
415
|
|
|
} |
416
|
|
|
|
417
|
|
|
$this->_reply_to_email_address = $email; |
418
|
|
|
} |
419
|
|
|
|
420
|
|
|
/** |
421
|
|
|
* Sets the reply-to-name. |
422
|
|
|
* |
423
|
|
|
* @throws EmailValidationException |
424
|
|
|
* @param string $name |
425
|
|
|
* The name emails should be replied to. |
426
|
|
|
* @return void |
427
|
|
|
*/ |
428
|
|
|
public function setReplyToName($name) |
429
|
|
|
{ |
430
|
|
|
if (preg_match('%[\r\n]%', $name)) { |
431
|
|
|
throw new EmailValidationException(__('Reply-To Name can not contain carriage return or newlines.')); |
432
|
|
|
} |
433
|
|
|
|
434
|
|
|
$this->_reply_to_name = $name; |
435
|
|
|
} |
436
|
|
|
|
437
|
|
|
/** |
438
|
|
|
* Sets all configuration entries from an array. |
439
|
|
|
* This enables extensions like the ENM to create email settings panes that work regardless of the email gateway. |
440
|
|
|
* Every gateway should extend this method to add their own settings. |
441
|
|
|
* |
442
|
|
|
* @throws EmailValidationException |
443
|
|
|
* @param array $config |
444
|
|
|
* @since Symphony 2.3.1 |
445
|
|
|
* All configuration entries stored in a single array. The array should have the format of the $_POST array created by the preferences HTML. |
446
|
|
|
* @return boolean |
447
|
|
|
*/ |
448
|
|
|
public function setConfiguration($config) |
449
|
|
|
{ |
450
|
|
|
return true; |
451
|
|
|
} |
452
|
|
|
|
453
|
|
|
/** |
454
|
|
|
* Appends a single header field to the header fields array. |
455
|
|
|
* The header field should be presented as a name/body pair. |
456
|
|
|
* |
457
|
|
|
* @throws EmailGatewayException |
458
|
|
|
* @param string $name |
459
|
|
|
* The header field name. Examples are From, Bcc, X-Sender and Reply-to. |
460
|
|
|
* @param string $body |
461
|
|
|
* The header field body. |
462
|
|
|
* @return void |
463
|
|
|
*/ |
464
|
|
|
public function appendHeaderField($name, $body) |
465
|
|
|
{ |
466
|
|
|
if (is_array($body)) { |
|
|
|
|
467
|
|
|
throw new EmailGatewayException(__('%s accepts strings only; arrays are not allowed.', array('<code>appendHeaderField</code>'))); |
468
|
|
|
} |
469
|
|
|
|
470
|
|
|
$this->_header_fields[$name] = $body; |
471
|
|
|
} |
472
|
|
|
|
473
|
|
|
/** |
474
|
|
|
* Appends one or more header fields to the header fields array. |
475
|
|
|
* Header fields should be presented as an array with name/body pairs. |
476
|
|
|
* |
477
|
|
|
* @param array $header_array |
478
|
|
|
* The header fields. Examples are From, X-Sender and Reply-to. |
479
|
|
|
* @throws EmailGatewayException |
480
|
|
|
* @return void |
481
|
|
|
*/ |
482
|
|
|
public function appendHeaderFields(array $header_array = array()) |
|
|
|
|
483
|
|
|
{ |
484
|
|
|
foreach ($header_array as $name => $body) { |
485
|
|
|
$this->appendHeaderField($name, $body); |
486
|
|
|
} |
487
|
|
|
} |
488
|
|
|
|
489
|
|
|
/** |
490
|
|
|
* Makes sure the Subject, Sender Email and Recipients values are |
491
|
|
|
* all set and are valid. The message body is checked in |
492
|
|
|
* `prepareMessageBody` |
493
|
|
|
* |
494
|
|
|
* @see prepareMessageBody() |
495
|
|
|
* @throws EmailValidationException |
496
|
|
|
* @return boolean |
497
|
|
|
*/ |
498
|
|
|
public function validate() |
499
|
|
|
{ |
500
|
|
|
if (strlen(trim($this->_subject)) <= 0) { |
501
|
|
|
throw new EmailValidationException(__('Email subject cannot be empty.')); |
502
|
|
|
} elseif (strlen(trim($this->_sender_email_address)) <= 0) { |
503
|
|
|
throw new EmailValidationException(__('Sender email address cannot be empty.')); |
504
|
|
|
} elseif (!filter_var($this->_sender_email_address, FILTER_VALIDATE_EMAIL)) { |
505
|
|
|
throw new EmailValidationException(__('Sender email address must be a valid email address.')); |
506
|
|
|
} else { |
507
|
|
|
foreach ($this->_recipients as $address) { |
508
|
|
|
if (strlen(trim($address)) <= 0) { |
509
|
|
|
throw new EmailValidationException(__('Recipient email address cannot be empty.')); |
510
|
|
|
} elseif (!filter_var($address, FILTER_VALIDATE_EMAIL)) { |
511
|
|
|
throw new EmailValidationException(__('The email address ‘%s’ is invalid.', array($address))); |
512
|
|
|
} |
513
|
|
|
} |
514
|
|
|
} |
515
|
|
|
|
516
|
|
|
return true; |
517
|
|
|
} |
518
|
|
|
|
519
|
|
|
/** |
520
|
|
|
* Build the message body and the content-describing header fields |
521
|
|
|
* |
522
|
|
|
* The result of this building is an updated body variable in the |
523
|
|
|
* gateway itself. |
524
|
|
|
* |
525
|
|
|
* @throws EmailGatewayException |
526
|
|
|
* @throws Exception |
527
|
|
|
* @return boolean |
528
|
|
|
*/ |
529
|
|
|
protected function prepareMessageBody() |
530
|
|
|
{ |
531
|
|
|
$attachments = $this->getSectionAttachments(); |
532
|
|
|
if ($attachments) { |
533
|
|
|
$this->appendHeaderFields($this->contentInfoArray('multipart/mixed')); |
534
|
|
|
if (!empty($this->_text_plain) && !empty($this->_text_html)) { |
535
|
|
|
$this->_body = $this->boundaryDelimiterLine('multipart/mixed') |
536
|
|
|
. $this->contentInfoString('multipart/alternative') |
537
|
|
|
. $this->getSectionMultipartAlternative() |
538
|
|
|
. $attachments |
539
|
|
|
; |
|
|
|
|
540
|
|
|
} elseif (!empty($this->_text_plain)) { |
541
|
|
|
$this->_body = $this->boundaryDelimiterLine('multipart/mixed') |
542
|
|
|
. $this->contentInfoString('text/plain') |
543
|
|
|
. $this->getSectionTextPlain() |
544
|
|
|
. $attachments |
545
|
|
|
; |
|
|
|
|
546
|
|
|
} elseif (!empty($this->_text_html)) { |
547
|
|
|
$this->_body = $this->boundaryDelimiterLine('multipart/mixed') |
548
|
|
|
. $this->contentInfoString('text/html') |
549
|
|
|
. $this->getSectionTextHtml() |
550
|
|
|
. $attachments |
551
|
|
|
; |
|
|
|
|
552
|
|
|
} else { |
553
|
|
|
$this->_body = $attachments; |
554
|
|
|
} |
|
|
|
|
555
|
|
|
$this->_body .= $this->finalBoundaryDelimiterLine('multipart/mixed'); |
556
|
|
|
} elseif (!empty($this->_text_plain) && !empty($this->_text_html)) { |
557
|
|
|
$this->appendHeaderFields($this->contentInfoArray('multipart/alternative')); |
558
|
|
|
$this->_body = $this->getSectionMultipartAlternative(); |
559
|
|
|
} elseif (!empty($this->_text_plain)) { |
560
|
|
|
$this->appendHeaderFields($this->contentInfoArray('text/plain')); |
561
|
|
|
$this->_body = $this->getSectionTextPlain(); |
562
|
|
|
} elseif (!empty($this->_text_html)) { |
563
|
|
|
$this->appendHeaderFields($this->contentInfoArray('text/html')); |
564
|
|
|
$this->_body = $this->getSectionTextHtml(); |
565
|
|
|
} else { |
566
|
|
|
throw new EmailGatewayException(__('No attachments or body text was set. Can not send empty email.')); |
567
|
|
|
} |
568
|
|
|
} |
569
|
|
|
|
570
|
|
|
/** |
571
|
|
|
* Build multipart email section. Used by sendmail and smtp classes to |
572
|
|
|
* send multipart email. |
573
|
|
|
* |
574
|
|
|
* Will return a string containing the section. Can be used to send to |
575
|
|
|
* an email server directly. |
576
|
|
|
* @return string |
577
|
|
|
*/ |
578
|
|
|
protected function getSectionMultipartAlternative() |
579
|
|
|
{ |
580
|
|
|
$output = $this->boundaryDelimiterLine('multipart/alternative') |
581
|
|
|
. $this->contentInfoString('text/plain') |
582
|
|
|
. $this->getSectionTextPlain() |
583
|
|
|
. $this->boundaryDelimiterLine('multipart/alternative') |
584
|
|
|
. $this->contentInfoString('text/html') |
585
|
|
|
. $this->getSectionTextHtml() |
586
|
|
|
. $this->finalBoundaryDelimiterLine('multipart/alternative') |
|
|
|
|
587
|
|
|
; |
|
|
|
|
588
|
|
|
|
589
|
|
|
return $output; |
590
|
|
|
} |
591
|
|
|
|
592
|
|
|
/** |
593
|
|
|
* Builds the attachment section of a multipart email. |
594
|
|
|
* |
595
|
|
|
* Will return a string containing the section. Can be used to send to |
596
|
|
|
* an email server directly. |
597
|
|
|
* |
598
|
|
|
* @throws EmailGatewayException |
599
|
|
|
* @throws Exception |
600
|
|
|
* @return string |
601
|
|
|
*/ |
602
|
|
|
protected function getSectionAttachments() |
603
|
|
|
{ |
604
|
|
|
$output = ''; |
605
|
|
|
|
606
|
|
|
foreach ($this->_attachments as $key => $file) { |
607
|
|
|
$tmp_file = false; |
608
|
|
|
|
609
|
|
|
// If the attachment is a URL, download the file to a temporary location. |
610
|
|
|
// This prevents downloading the file twice - once for info, once for data. |
611
|
|
|
if (filter_var($file['file'], FILTER_VALIDATE_URL)) { |
612
|
|
|
$gateway = new Gateway(); |
613
|
|
|
$gateway->init($file['file']); |
614
|
|
|
$gateway->setopt('TIMEOUT', 30); |
615
|
|
|
$file_content = @$gateway->exec(); |
616
|
|
|
|
617
|
|
|
$tmp_file = tempnam(TMP, 'attachment'); |
|
|
|
|
618
|
|
|
General::writeFile($tmp_file, $file_content, Symphony::Configuration()->get('write_mode', 'file')); |
|
|
|
|
619
|
|
|
|
620
|
|
|
$original_filename = $file['file']; |
621
|
|
|
$file['file'] = $tmp_file; |
622
|
|
|
|
623
|
|
|
// Without this the temporary filename will be used. Ugly! |
624
|
|
|
if (is_null($file['filename'])) { |
625
|
|
|
$file['filename'] = basename($original_filename); |
626
|
|
|
} |
627
|
|
|
} else { |
628
|
|
|
$file_content = @file_get_contents($file['file']); |
629
|
|
|
} |
630
|
|
|
|
631
|
|
|
if ($file_content !== false && !empty($file_content)) { |
632
|
|
|
$output .= $this->boundaryDelimiterLine('multipart/mixed') |
633
|
|
|
. $this->contentInfoString($file['mime-type'], $file['file'], $file['filename'], $file['charset']) |
634
|
|
|
. EmailHelper::base64ContentTransferEncode($file_content); |
|
|
|
|
635
|
|
|
} else { |
636
|
|
|
if ($this->_validate_attachment_errors) { |
637
|
|
|
if (!$tmp_file === false) { |
638
|
|
|
$filename = $original_filename; |
|
|
|
|
639
|
|
|
} else { |
640
|
|
|
$filename = $file['file']; |
641
|
|
|
} |
642
|
|
|
|
643
|
|
|
throw new EmailGatewayException(__('The content of the file `%s` could not be loaded.', array($filename))); |
644
|
|
|
} |
645
|
|
|
} |
646
|
|
|
|
647
|
|
|
if (!$tmp_file === false) { |
648
|
|
|
General::deleteFile($tmp_file); |
|
|
|
|
649
|
|
|
} |
650
|
|
|
} |
|
|
|
|
651
|
|
|
return $output; |
652
|
|
|
} |
653
|
|
|
|
654
|
|
|
/** |
655
|
|
|
* Builds the text section of a text/plain email. |
656
|
|
|
* |
657
|
|
|
* Will return a string containing the section. Can be used to send to |
658
|
|
|
* an email server directly. |
659
|
|
|
* @return string |
660
|
|
|
*/ |
661
|
|
|
protected function getSectionTextPlain() |
662
|
|
|
{ |
663
|
|
|
if ($this->_text_encoding == 'quoted-printable') { |
664
|
|
|
return EmailHelper::qpContentTransferEncode($this->_text_plain)."\r\n"; |
665
|
|
|
} elseif ($this->_text_encoding == 'base64') { |
666
|
|
|
// don't add CRLF if using base64 - spam filters don't |
667
|
|
|
// like this |
668
|
|
|
return EmailHelper::base64ContentTransferEncode($this->_text_plain); |
669
|
|
|
} |
670
|
|
|
|
671
|
|
|
return $this->_text_plain."\r\n"; |
672
|
|
|
} |
673
|
|
|
|
674
|
|
|
/** |
675
|
|
|
* Builds the html section of a text/html email. |
676
|
|
|
* |
677
|
|
|
* Will return a string containing the section. Can be used to send to |
678
|
|
|
* an email server directly. |
679
|
|
|
* @return string |
680
|
|
|
*/ |
681
|
|
|
protected function getSectionTextHtml() |
682
|
|
|
{ |
683
|
|
|
if ($this->_text_encoding == 'quoted-printable') { |
684
|
|
|
return EmailHelper::qpContentTransferEncode($this->_text_html)."\r\n"; |
685
|
|
|
} elseif ($this->_text_encoding == 'base64') { |
686
|
|
|
// don't add CRLF if using base64 - spam filters don't |
687
|
|
|
// like this |
688
|
|
|
return EmailHelper::base64ContentTransferEncode($this->_text_html); |
689
|
|
|
} |
|
|
|
|
690
|
|
|
return $this->_text_html."\r\n"; |
691
|
|
|
} |
692
|
|
|
|
693
|
|
|
/** |
694
|
|
|
* Builds the right content-type/encoding types based on file and |
695
|
|
|
* content-type. |
696
|
|
|
* |
697
|
|
|
* Will try to match a common description, based on the $type param. |
698
|
|
|
* If nothing is found, will return a base64 attached file disposition. |
699
|
|
|
* |
700
|
|
|
* Can be used to send to an email server directly. |
701
|
|
|
* |
702
|
|
|
* @param string $type optional mime-type |
703
|
|
|
* @param string $file optional the path of the attachment |
704
|
|
|
* @param string $filename optional the name of the attached file |
705
|
|
|
* @param string $charset optional the charset of the attached file |
706
|
|
|
* |
707
|
|
|
* @return array |
708
|
|
|
*/ |
709
|
|
|
public function contentInfoArray($type = null, $file = null, $filename = null, $charset = null) |
|
|
|
|
710
|
|
|
{ |
711
|
|
|
// Common descriptions |
712
|
|
|
$description = array( |
713
|
|
|
'multipart/mixed' => array( |
714
|
|
|
'Content-Type' => 'multipart/mixed; boundary="' |
715
|
|
|
.$this->getBoundary('multipart/mixed').'"', |
716
|
|
|
), |
717
|
|
|
'multipart/alternative' => array( |
718
|
|
|
'Content-Type' => 'multipart/alternative; boundary="' |
719
|
|
|
.$this->getBoundary('multipart/alternative').'"', |
720
|
|
|
), |
721
|
|
|
'text/plain' => array( |
722
|
|
|
'Content-Type' => 'text/plain; charset=UTF-8', |
723
|
|
|
'Content-Transfer-Encoding' => $this->_text_encoding ? $this->_text_encoding : '8bit', |
|
|
|
|
724
|
|
|
), |
725
|
|
|
'text/html' => array( |
726
|
|
|
'Content-Type' => 'text/html; charset=UTF-8', |
727
|
|
|
'Content-Transfer-Encoding' => $this->_text_encoding ? $this->_text_encoding : '8bit', |
|
|
|
|
728
|
|
|
), |
729
|
|
|
); |
730
|
|
|
|
731
|
|
|
// Try common |
732
|
|
|
if (!empty($type) && !empty($description[$type])) { |
733
|
|
|
// return it if found |
734
|
|
|
return $description[$type]; |
735
|
|
|
} |
736
|
|
|
|
737
|
|
|
// assure we have a file name |
738
|
|
|
$filename = !is_null($filename) ? $filename : basename($file); |
739
|
|
|
|
740
|
|
|
// Format charset for insertion in content-type, if needed |
741
|
|
|
if (!empty($charset)) { |
742
|
|
|
$charset = sprintf('charset=%s;', $charset); |
743
|
|
|
} else { |
744
|
|
|
$charset = ''; |
745
|
|
|
} |
|
|
|
|
746
|
|
|
// if the mime type is not set, try to obtain using the getMimeType |
747
|
|
|
if (empty($type)) { |
748
|
|
|
//assume that the attachment mimetime is appended |
749
|
|
|
$type = General::getMimeType($file); |
|
|
|
|
750
|
|
|
} |
|
|
|
|
751
|
|
|
// Return binary description |
752
|
|
|
return array( |
753
|
|
|
'Content-Type' => $type.';'.$charset.' name="'.$filename.'"', |
754
|
|
|
'Content-Transfer-Encoding' => 'base64', |
755
|
|
|
'Content-Disposition' => 'attachment; filename="' .$filename .'"', |
756
|
|
|
); |
757
|
|
|
} |
758
|
|
|
|
759
|
|
|
/** |
760
|
|
|
* Creates the properly formatted InfoString based on the InfoArray. |
761
|
|
|
* |
762
|
|
|
* @see EmailGateway::contentInfoArray() |
763
|
|
|
* |
764
|
|
|
* @return string|null |
765
|
|
|
*/ |
766
|
|
|
protected function contentInfoString($type = null, $file = null, $filename = null, $charset = null) |
|
|
|
|
767
|
|
|
{ |
768
|
|
|
$data = $this->contentInfoArray($type, $file, $filename, $charset); |
769
|
|
|
$fields = array(); |
770
|
|
|
|
771
|
|
|
foreach ($data as $key => $value) { |
772
|
|
|
$fields[] = EmailHelper::fold(sprintf('%s: %s', $key, $value)); |
773
|
|
|
} |
774
|
|
|
|
775
|
|
|
return !empty($fields) ? implode("\r\n", $fields)."\r\n\r\n" : null; |
776
|
|
|
} |
777
|
|
|
|
778
|
|
|
/** |
779
|
|
|
* Returns the bondary based on the $type parameter |
780
|
|
|
* |
781
|
|
|
* @param string $type the multipart type |
782
|
|
|
* @return string|void |
783
|
|
|
*/ |
784
|
|
|
protected function getBoundary($type) |
785
|
|
|
{ |
786
|
|
|
switch ($type) { |
787
|
|
|
case 'multipart/mixed': |
788
|
|
|
return $this->_boundary_mixed; |
789
|
|
|
case 'multipart/alternative': |
790
|
|
|
return $this->_boundary_alter; |
791
|
|
|
} |
792
|
|
|
} |
793
|
|
|
|
794
|
|
|
/** |
795
|
|
|
* @param string $type |
796
|
|
|
* @return string |
797
|
|
|
*/ |
798
|
|
|
protected function boundaryDelimiterLine($type) |
799
|
|
|
{ |
800
|
|
|
// As requested by RFC 2046: 'The CRLF preceding the boundary |
801
|
|
|
// delimiter line is conceptually attached to the boundary.' |
802
|
|
|
return $this->getBoundary($type) ? "\r\n--".$this->getBoundary($type)."\r\n" : null; |
803
|
|
|
} |
804
|
|
|
|
805
|
|
|
/** |
806
|
|
|
* @param string $type |
807
|
|
|
* @return string |
808
|
|
|
*/ |
809
|
|
|
protected function finalBoundaryDelimiterLine($type) |
810
|
|
|
{ |
811
|
|
|
return $this->getBoundary($type) ? "\r\n--".$this->getBoundary($type)."--\r\n" : null; |
812
|
|
|
} |
813
|
|
|
|
814
|
|
|
/** |
815
|
|
|
* Sets a property. |
816
|
|
|
* |
817
|
|
|
* Magic function, supplied by php. |
818
|
|
|
* This function will try and find a method of this class, by |
819
|
|
|
* camelcasing the name, and appending it with set. |
820
|
|
|
* If the function can not be found, an exception will be thrown. |
821
|
|
|
* |
822
|
|
|
* @param string $name |
823
|
|
|
* The property name. |
824
|
|
|
* @param string $value |
825
|
|
|
* The property value; |
826
|
|
|
* @throws EmailGatewayException |
827
|
|
|
* @return void|boolean |
828
|
|
|
*/ |
829
|
|
|
public function __set($name, $value) |
830
|
|
|
{ |
831
|
|
|
if (method_exists(get_class($this), 'set'.$this->__toCamel($name, true))) { |
832
|
|
|
return $this->{'set'.$this->__toCamel($name, true)}($value); |
833
|
|
|
} else { |
834
|
|
|
throw new EmailGatewayException(__('The %1$s gateway does not support the use of %2$s', array(get_class($this), $name))); |
835
|
|
|
} |
836
|
|
|
} |
837
|
|
|
|
838
|
|
|
/** |
839
|
|
|
* Gets a property. |
840
|
|
|
* |
841
|
|
|
* Magic function, supplied by php. |
842
|
|
|
* This function will attempt to find a variable set with `$name` and |
843
|
|
|
* returns it. If the variable is not set, it will return false. |
844
|
|
|
* |
845
|
|
|
* @since Symphony 2.2.2 |
846
|
|
|
* @param string $name |
847
|
|
|
* The property name. |
848
|
|
|
* @return boolean|mixed |
849
|
|
|
*/ |
850
|
|
|
public function __get($name) |
851
|
|
|
{ |
852
|
|
|
return isset($this->{'_'.$name}) ? $this->{'_'.$name} : false; |
853
|
|
|
} |
854
|
|
|
|
855
|
|
|
/** |
856
|
|
|
* The preferences to add to the preferences pane in the admin area. |
857
|
|
|
* |
858
|
|
|
* @return XMLElement |
859
|
|
|
*/ |
860
|
|
|
public function getPreferencesPane() |
861
|
|
|
{ |
862
|
|
|
return new XMLElement('fieldset'); |
863
|
|
|
} |
864
|
|
|
|
865
|
|
|
/** |
866
|
|
|
* Internal function to turn underscored variables into camelcase, for |
867
|
|
|
* use in methods. |
868
|
|
|
* Because Symphony has a difference in naming between properties and |
869
|
|
|
* methods (underscored vs camelcased) and the Email class uses the |
870
|
|
|
* magic __set function to find property-setting-methods, this |
871
|
|
|
* conversion is needed. |
872
|
|
|
* |
873
|
|
|
* @param string $string |
874
|
|
|
* The string to convert |
875
|
|
|
* @param boolean $caseFirst |
876
|
|
|
* If this is true, the first character will be uppercased. Useful |
877
|
|
|
* for method names (setName). |
878
|
|
|
* If set to false, the first character will be lowercased. This is |
879
|
|
|
* default behaviour. |
880
|
|
|
* @return string |
881
|
|
|
*/ |
882
|
|
|
private function __toCamel($string, $caseFirst = false) |
|
|
|
|
883
|
|
|
{ |
884
|
|
|
$string = strtolower($string); |
885
|
|
|
$a = explode('_', $string); |
886
|
|
|
$a = array_map('ucfirst', $a); |
887
|
|
|
|
888
|
|
|
if (!$caseFirst) { |
889
|
|
|
$a[0] = lcfirst($a[0]); |
890
|
|
|
} |
891
|
|
|
|
892
|
|
|
return implode('', $a); |
893
|
|
|
} |
894
|
|
|
|
895
|
|
|
/** |
896
|
|
|
* The reverse of the __toCamel function. |
897
|
|
|
* |
898
|
|
|
* @param string $string |
899
|
|
|
* The string to convert |
900
|
|
|
* @return string |
901
|
|
|
*/ |
902
|
|
|
private function __fromCamel($string) |
903
|
|
|
{ |
904
|
|
|
$string[0] = strtolower($string[0]); |
905
|
|
|
|
906
|
|
|
return preg_replace_callback('/([A-Z])/', function($c) { |
|
|
|
|
907
|
|
|
return "_" . strtolower($c[1]); |
|
|
|
|
908
|
|
|
}, $string); |
909
|
|
|
} |
910
|
|
|
} |
911
|
|
|
|