- }
- }
- return true;
- }
-
- /**
- * Strips newlines to prevent header injection.
- * @access public
- * @param string $str String
- * @return string
- */
- public function SecureHeader($str) {
- $str = str_replace("\r", '', $str);
- $str = str_replace("\n", '', $str);
- return trim($str);
- }
-
- /**
- * Set the private key file and password to sign the message.
- *
- * @access public
- * @param string $key_filename Parameter File Name
- * @param string $key_pass Password for private key
- */
- public function Sign($cert_filename, $key_filename, $key_pass) {
- $this->sign_cert_file = $cert_filename;
- $this->sign_key_file = $key_filename;
- $this->sign_key_pass = $key_pass;
- }
-
- /**
- * Set the private key file and password to sign the message.
- *
- * @access public
- * @param string $key_filename Parameter File Name
- * @param string $key_pass Password for private key
- */
- public function DKIM_QP($txt) {
- $tmp="";
- $line="";
- for ($i=0;$i<strlen($txt);$i++) {
- $ord=ord($txt[$i]);
- if ( ((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E)) ) {
- $line.=$txt[$i];
- } else {
- $line.="=".sprintf("%02X",$ord);
- }
- }
- return $line;
- }
-
- /**
- * Generate DKIM signature
- *
- * @access public
- * @param string $s Header
- */
- public function DKIM_Sign($s) {
- $privKeyStr = file_get_contents($this->DKIM_private);
- if ($this->DKIM_passphrase!='') {
- $privKey = openssl_pkey_get_private($privKeyStr,$this->DKIM_passphrase);
- } else {
- $privKey = $privKeyStr;
- }
- if (openssl_sign($s, $signature, $privKey)) {
- return base64_encode($signature);
- }
- }
-
- /**
- * Generate DKIM Canonicalization Header
- *
- * @access public
- * @param string $s Header
- */
- public function DKIM_HeaderC($s) {
- $s=preg_replace("/\r\n\s+/"," ",$s);
- $lines=explode("\r\n",$s);
- foreach ($lines as $key=>$line) {
- list($heading,$value)=explode(":",$line,2);
- $heading=strtolower($heading);
- $value=preg_replace("/\s+/"," ",$value) ; // Compress useless spaces
- $lines[$key]=$heading.":".trim($value) ; // Don't forget to remove WSP around the value
- }
- $s=implode("\r\n",$lines);
- return $s;
- }
-
- /**
- * Generate DKIM Canonicalization Body
- *
- * @access public
- * @param string $body Message Body
- */
- public function DKIM_BodyC($body) {
- if ($body == '') return "\r\n";
- // stabilize line endings
- $body=str_replace("\r\n","\n",$body);
- $body=str_replace("\n","\r\n",$body);
- // END stabilize line endings
- while (substr($body,strlen($body)-4,4) == "\r\n\r\n") {
- $body=substr($body,0,strlen($body)-2);
- }
- return $body;
- }
-
- /**
- * Create the DKIM header, body, as new header
- *
- * @access public
- * @param string $headers_line Header lines
- * @param string $subject Subject
- * @param string $body Body
- */
- public function DKIM_Add($headers_line,$subject,$body) {
- $DKIMsignatureType = 'rsa-sha1'; // Signature & hash algorithms
- $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
- $DKIMquery = 'dns/txt'; // Query method
- $DKIMtime = time() ; // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
- $subject_header = "Subject: $subject";
- $headers = explode("\r\n",$headers_line);
- foreach($headers as $header) {
- if (strpos($header,'From:') === 0) {
- $from_header=$header;
- } elseif (strpos($header,'To:') === 0) {
- $to_header=$header;
- }
- }
- $from = str_replace('|','=7C',$this->DKIM_QP($from_header));
- $to = str_replace('|','=7C',$this->DKIM_QP($to_header));
- $subject = str_replace('|','=7C',$this->DKIM_QP($subject_header)) ; // Copied header fields (dkim-quoted-printable
- $body = $this->DKIM_BodyC($body);
- $DKIMlen = strlen($body) ; // Length of body
- $DKIMb64 = base64_encode(pack("H*", sha1($body))) ; // Base64 of packed binary SHA-1 hash of body
- $ident = ($this->DKIM_identity == '')? '' : " i=" . $this->DKIM_identity . ";";
- $dkimhdrs = "DKIM-Signature: v=1; a=" . $DKIMsignatureType . "; q=" . $DKIMquery . "; l=" . $DKIMlen . "; s=" . $this->DKIM_selector . ";\r\n".
- "\tt=" . $DKIMtime . "; c=" . $DKIMcanonicalization . ";\r\n".
- "\th=From:To:Subject;\r\n".
- "\td=" . $this->DKIM_domain . ";" . $ident . "\r\n".
- "\tz=$from\r\n".
- "\t|$to\r\n".
- "\t|$subject;\r\n".
- "\tbh=" . $DKIMb64 . ";\r\n".
- "\tb=";
- $toSign = $this->DKIM_HeaderC($from_header . "\r\n" . $to_header . "\r\n" . $subject_header . "\r\n" . $dkimhdrs);
- $signed = $this->DKIM_Sign($toSign);
- return "X-PHPMAILER-DKIM: phpmailer.worxware.com\r\n".$dkimhdrs.$signed."\r\n";
- }
-
- protected function doCallback($isSent,$to,$cc,$bcc,$subject,$body) {
- if (!empty($this->action_function) && function_exists($this->action_function)) {
- $params = array($isSent,$to,$cc,$bcc,$subject,$body);
- call_user_func_array($this->action_function,$params);
- }
- }
+ }
+
+ /**
+ * Check if this message has an alternative body set.
+ * @return boolean
+ */
+ public function alternativeExists()
+ {
+ return !empty($this->AltBody);
+ }
+
+ /**
+ * Clear all To recipients.
+ * @return void
+ */
+ public function clearAddresses()
+ {
+ foreach ($this->to as $to) {
+ unset($this->all_recipients[strtolower($to[0])]);
+ }
+ $this->to = array();
+ }
+
+ /**
+ * Clear all CC recipients.
+ * @return void
+ */
+ public function clearCCs()
+ {
+ foreach ($this->cc as $cc) {
+ unset($this->all_recipients[strtolower($cc[0])]);
+ }
+ $this->cc = array();
+ }
+
+ /**
+ * Clear all BCC recipients.
+ * @return void
+ */
+ public function clearBCCs()
+ {
+ foreach ($this->bcc as $bcc) {
+ unset($this->all_recipients[strtolower($bcc[0])]);
+ }
+ $this->bcc = array();
+ }
+
+ /**
+ * Clear all ReplyTo recipients.
+ * @return void
+ */
+ public function clearReplyTos()
+ {
+ $this->ReplyTo = array();
+ }
+
+ /**
+ * Clear all recipient types.
+ * @return void
+ */
+ public function clearAllRecipients()
+ {
+ $this->to = array();
+ $this->cc = array();
+ $this->bcc = array();
+ $this->all_recipients = array();
+ }
+
+ /**
+ * Clear all filesystem, string, and binary attachments.
+ * @return void
+ */
+ public function clearAttachments()
+ {
+ $this->attachment = array();
+ }
+
+ /**
+ * Clear all custom headers.
+ * @return void
+ */
+ public function clearCustomHeaders()
+ {
+ $this->CustomHeader = array();
+ }
+
+ /**
+ * Add an error message to the error container.
+ * @access protected
+ * @param string $msg
+ * @return void
+ */
+ protected function setError($msg)
+ {
+ $this->error_count++;
+ if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
+ $lasterror = $this->smtp->getError();
+ if (!empty($lasterror['error'])) {
+ $msg .= $this->lang('smtp_error') . $lasterror['error'];
+ if (!empty($lasterror['detail'])) {
+ $msg .= ' Detail: '. $lasterror['detail'];
+ }
+ if (!empty($lasterror['smtp_code'])) {
+ $msg .= ' SMTP code: ' . $lasterror['smtp_code'];
+ }
+ if (!empty($lasterror['smtp_code_ex'])) {
+ $msg .= ' Additional SMTP info: ' . $lasterror['smtp_code_ex'];
+ }
+ }
+ }
+ $this->ErrorInfo = $msg;
+ }
+
+ /**
+ * Return an RFC 822 formatted date.
+ * @access public
+ * @return string
+ * @static
+ */
+ public static function rfcDate()
+ {
+ // Set the time zone to whatever the default is to avoid 500 errors
+ // Will default to UTC if it's not set properly in php.ini
+ date_default_timezone_set(@date_default_timezone_get());
+ return date('D, j M Y H:i:s O');
+ }
+
+ /**
+ * Get the server hostname.
+ * Returns 'localhost.localdomain' if unknown.
+ * @access protected
+ * @return string
+ */
+ protected function serverHostname()
+ {
+ $result = 'localhost.localdomain';
+ if (!empty($this->Hostname)) {
+ $result = $this->Hostname;
+ } elseif (isset($_SERVER) and array_key_exists('SERVER_NAME', $_SERVER) and !empty($_SERVER['SERVER_NAME'])) {
+ $result = $_SERVER['SERVER_NAME'];
+ } elseif (function_exists('gethostname') && gethostname() !== false) {
+ $result = gethostname();
+ } elseif (php_uname('n') !== false) {
+ $result = php_uname('n');
+ }
+ return $result;
+ }
+
+ /**
+ * Get an error message in the current language.
+ * @access protected
+ * @param string $key
+ * @return string
+ */
+ protected function lang($key)
+ {
+ if (count($this->language) < 1) {
+ $this->setLanguage('en'); // set the default language
+ }
+
+ if (array_key_exists($key, $this->language)) {
+ if ($key == 'smtp_connect_failed') {
+ //Include a link to troubleshooting docs on SMTP connection failure
+ //this is by far the biggest cause of support questions
+ //but it's usually not PHPMailer's fault.
+ return $this->language[$key] . ' https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting';
+ }
+ return $this->language[$key];
+ } else {
+ //Return the key as a fallback
+ return $key;
+ }
+ }
+
+ /**
+ * Check if an error occurred.
+ * @access public
+ * @return boolean True if an error did occur.
+ */
+ public function isError()
+ {
+ return ($this->error_count > 0);
+ }
+
+ /**
+ * Ensure consistent line endings in a string.
+ * Changes every end of line from CRLF, CR or LF to $this->LE.
+ * @access public
+ * @param string $str String to fixEOL
+ * @return string
+ */
+ public function fixEOL($str)
+ {
+ // Normalise to \n
+ $nstr = str_replace(array("\r\n", "\r"), "\n", $str);
+ // Now convert LE as needed
+ if ($this->LE !== "\n") {
+ $nstr = str_replace("\n", $this->LE, $nstr);
+ }
+ return $nstr;
+ }
+
+ /**
+ * Add a custom header.
+ * $name value can be overloaded to contain
+ * both header name and value (name:value)
+ * @access public
+ * @param string $name Custom header name
+ * @param string $value Header value
+ * @return void
+ */
+ public function addCustomHeader($name, $value = null)
+ {
+ if ($value === null) {
+ // Value passed in as name:value
+ $this->CustomHeader[] = explode(':', $name, 2);
+ } else {
+ $this->CustomHeader[] = array($name, $value);
+ }
+ }
+
+ /**
+ * Returns all custom headers
+ *
+ * @return array
+ */
+ public function getCustomHeaders()
+ {
+ return $this->CustomHeader;
+ }
+
+ /**
+ * Create a message from an HTML string.
+ * Automatically makes modifications for inline images and backgrounds
+ * and creates a plain-text version by converting the HTML.
+ * Overwrites any existing values in $this->Body and $this->AltBody
+ * @access public
+ * @param string $message HTML message string
+ * @param string $basedir baseline directory for path
+ * @param boolean|callable $advanced Whether to use the internal HTML to text converter
+ * or your own custom converter @see html2text()
+ * @return string $message
+ */
+ public function msgHTML($message, $basedir = '', $advanced = false)
+ {
+ preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images);
+ if (isset($images[2])) {
+ foreach ($images[2] as $imgindex => $url) {
+ // Convert data URIs into embedded images
+ if (preg_match('#^data:(image[^;,]*)(;base64)?,#', $url, $match)) {
+ $data = substr($url, strpos($url, ','));
+ if ($match[2]) {
+ $data = base64_decode($data);
+ } else {
+ $data = rawurldecode($data);
+ }
+ $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
+ if ($this->addStringEmbeddedImage($data, $cid, '', 'base64', $match[1])) {
+ $message = str_replace(
+ $images[0][$imgindex],
+ $images[1][$imgindex] . '="cid:' . $cid . '"',
+ $message
+ );
+ }
+ } elseif (!preg_match('#^[A-z]+://#', $url)) {
+ // Do not change urls for absolute images (thanks to corvuscorax)
+ $filename = basename($url);
+ $directory = dirname($url);
+ if ($directory == '.') {
+ $directory = '';
+ }
+ $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
+ if (strlen($basedir) > 1 && substr($basedir, -1) != '/') {
+ $basedir .= '/';
+ }
+ if (strlen($directory) > 1 && substr($directory, -1) != '/') {
+ $directory .= '/';
+ }
+ if ($this->addEmbeddedImage(
+ $basedir . $directory . $filename,
+ $cid,
+ $filename,
+ 'base64',
+ self::_mime_types((string)self::mb_pathinfo($filename, PATHINFO_EXTENSION))
+ )
+ ) {
+ $message = preg_replace(
+ '/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
+ $images[1][$imgindex] . '="cid:' . $cid . '"',
+ $message
+ );
+ }
+ }
+ }
+ }
+ $this->isHTML(true);
+ // Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
+ $this->Body = $this->normalizeBreaks($message);
+ $this->AltBody = $this->normalizeBreaks($this->html2text($message, $advanced));
+ if (empty($this->AltBody)) {
+ $this->AltBody = 'To view this email message, open it in a program that understands HTML!' .
+ self::CRLF . self::CRLF;
+ }
+ return $this->Body;
+ }
+
+ /**
+ * Convert an HTML string into plain text.
+ * This is used by msgHTML().
+ * Note - older versions of this function used a bundled advanced converter
+ * which was been removed for license reasons in #232
+ * Example usage:
+ * <code>
+ * // Use default conversion
+ * $plain = $mail->html2text($html);
+ * // Use your own custom converter
+ * $plain = $mail->html2text($html, function($html) {
+ * $converter = new MyHtml2text($html);
+ * return $converter->get_text();
+ * });
+ * </code>
+ * @param string $html The HTML text to convert
+ * @param boolean|callable $advanced Any boolean value to use the internal converter,
+ * or provide your own callable for custom conversion.
+ * @return string
+ */
+ public function html2text($html, $advanced = false)
+ {
+ if (is_callable($advanced)) {
+ return call_user_func($advanced, $html);
+ }
+ return html_entity_decode(
+ trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))),
+ ENT_QUOTES,
+ $this->CharSet
+ );
+ }
+
+ /**
+ * Get the MIME type for a file extension.
+ * @param string $ext File extension
+ * @access public
+ * @return string MIME type of file.
+ * @static
+ */
+ public static function _mime_types($ext = '')
+ {
+ $mimes = array(
+ 'xl' => 'application/excel',
+ 'js' => 'application/javascript',
+ 'hqx' => 'application/mac-binhex40',
+ 'cpt' => 'application/mac-compactpro',
+ 'bin' => 'application/macbinary',
+ 'doc' => 'application/msword',
+ 'word' => 'application/msword',
+ 'class' => 'application/octet-stream',
+ 'dll' => 'application/octet-stream',
+ 'dms' => 'application/octet-stream',
+ 'exe' => 'application/octet-stream',
+ 'lha' => 'application/octet-stream',
+ 'lzh' => 'application/octet-stream',
+ 'psd' => 'application/octet-stream',
+ 'sea' => 'application/octet-stream',
+ 'so' => 'application/octet-stream',
+ 'oda' => 'application/oda',
+ 'pdf' => 'application/pdf',
+ 'ai' => 'application/postscript',
+ 'eps' => 'application/postscript',
+ 'ps' => 'application/postscript',
+ 'smi' => 'application/smil',
+ 'smil' => 'application/smil',
+ 'mif' => 'application/vnd.mif',
+ 'xls' => 'application/vnd.ms-excel',
+ 'ppt' => 'application/vnd.ms-powerpoint',
+ 'wbxml' => 'application/vnd.wap.wbxml',
+ 'wmlc' => 'application/vnd.wap.wmlc',
+ 'dcr' => 'application/x-director',
+ 'dir' => 'application/x-director',
+ 'dxr' => 'application/x-director',
+ 'dvi' => 'application/x-dvi',
+ 'gtar' => 'application/x-gtar',
+ 'php3' => 'application/x-httpd-php',
+ 'php4' => 'application/x-httpd-php',
+ 'php' => 'application/x-httpd-php',
+ 'phtml' => 'application/x-httpd-php',
+ 'phps' => 'application/x-httpd-php-source',
+ 'swf' => 'application/x-shockwave-flash',
+ 'sit' => 'application/x-stuffit',
+ 'tar' => 'application/x-tar',
+ 'tgz' => 'application/x-tar',
+ 'xht' => 'application/xhtml+xml',
+ 'xhtml' => 'application/xhtml+xml',
+ 'zip' => 'application/zip',
+ 'mid' => 'audio/midi',
+ 'midi' => 'audio/midi',
+ 'mp2' => 'audio/mpeg',
+ 'mp3' => 'audio/mpeg',
+ 'mpga' => 'audio/mpeg',
+ 'aif' => 'audio/x-aiff',
+ 'aifc' => 'audio/x-aiff',
+ 'aiff' => 'audio/x-aiff',
+ 'ram' => 'audio/x-pn-realaudio',
+ 'rm' => 'audio/x-pn-realaudio',
+ 'rpm' => 'audio/x-pn-realaudio-plugin',
+ 'ra' => 'audio/x-realaudio',
+ 'wav' => 'audio/x-wav',
+ 'bmp' => 'image/bmp',
+ 'gif' => 'image/gif',
+ 'jpeg' => 'image/jpeg',
+ 'jpe' => 'image/jpeg',
+ 'jpg' => 'image/jpeg',
+ 'png' => 'image/png',
+ 'tiff' => 'image/tiff',
+ 'tif' => 'image/tiff',
+ 'eml' => 'message/rfc822',
+ 'css' => 'text/css',
+ 'html' => 'text/html',
+ 'htm' => 'text/html',
+ 'shtml' => 'text/html',
+ 'log' => 'text/plain',
+ 'text' => 'text/plain',
+ 'txt' => 'text/plain',
+ 'rtx' => 'text/richtext',
+ 'rtf' => 'text/rtf',
+ 'vcf' => 'text/vcard',
+ 'vcard' => 'text/vcard',
+ 'xml' => 'text/xml',
+ 'xsl' => 'text/xml',
+ 'mpeg' => 'video/mpeg',
+ 'mpe' => 'video/mpeg',
+ 'mpg' => 'video/mpeg',
+ 'mov' => 'video/quicktime',
+ 'qt' => 'video/quicktime',
+ 'rv' => 'video/vnd.rn-realvideo',
+ 'avi' => 'video/x-msvideo',
+ 'movie' => 'video/x-sgi-movie'
+ );
+ if (array_key_exists(strtolower($ext), $mimes)) {
+ return $mimes[strtolower($ext)];
+ }
+ return 'application/octet-stream';
+ }
+
+ /**
+ * Map a file name to a MIME type.
+ * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
+ * @param string $filename A file name or full path, does not need to exist as a file
+ * @return string
+ * @static
+ */
+ public static function filenameToType($filename)
+ {
+ // In case the path is a URL, strip any query string before getting extension
+ $qpos = strpos($filename, '?');
+ if (false !== $qpos) {
+ $filename = substr($filename, 0, $qpos);
+ }
+ $pathinfo = self::mb_pathinfo($filename);
+ return self::_mime_types($pathinfo['extension']);
+ }
+
+ /**
+ * Multi-byte-safe pathinfo replacement.
+ * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
+ * Works similarly to the one in PHP >= 5.2.0
+ * @link http://www.php.net/manual/en/function.pathinfo.php#107461
+ * @param string $path A filename or path, does not need to exist as a file
+ * @param integer|string $options Either a PATHINFO_* constant,
+ * or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2
+ * @return string|array
+ * @static
+ */
+ public static function mb_pathinfo($path, $options = null)
+ {
+ $ret = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '');
+ $pathinfo = array();
+ if (preg_match('%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $pathinfo)) {
+ if (array_key_exists(1, $pathinfo)) {
+ $ret['dirname'] = $pathinfo[1];
+ }
+ if (array_key_exists(2, $pathinfo)) {
+ $ret['basename'] = $pathinfo[2];
+ }
+ if (array_key_exists(5, $pathinfo)) {
+ $ret['extension'] = $pathinfo[5];
+ }
+ if (array_key_exists(3, $pathinfo)) {
+ $ret['filename'] = $pathinfo[3];
+ }
+ }
+ switch ($options) {
+ case PATHINFO_DIRNAME:
+ case 'dirname':
+ return $ret['dirname'];
+ case PATHINFO_BASENAME:
+ case 'basename':
+ return $ret['basename'];
+ case PATHINFO_EXTENSION:
+ case 'extension':
+ return $ret['extension'];
+ case PATHINFO_FILENAME:
+ case 'filename':
+ return $ret['filename'];
+ default:
+ return $ret;
+ }
+ }
+
+ /**
+ * Set or reset instance properties.
+ * You should avoid this function - it's more verbose, less efficient, more error-prone and
+ * harder to debug than setting properties directly.
+ * Usage Example:
+ * `$mail->set('SMTPSecure', 'tls');`
+ * is the same as:
+ * `$mail->SMTPSecure = 'tls';`
+ * @access public
+ * @param string $name The property name to set
+ * @param mixed $value The value to set the property to
+ * @return boolean
+ * @TODO Should this not be using the __set() magic function?
+ */
+ public function set($name, $value = '')
+ {
+ if (property_exists($this, $name)) {
+ $this->$name = $value;
+ return true;
+ } else {
+ $this->setError($this->lang('variable_set') . $name);
+ return false;
+ }
+ }
+
+ /**
+ * Strip newlines to prevent header injection.
+ * @access public
+ * @param string $str
+ * @return string
+ */
+ public function secureHeader($str)
+ {
+ return trim(str_replace(array("\r", "\n"), '', $str));
+ }
+
+ /**
+ * Normalize line breaks in a string.
+ * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
+ * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
+ * @param string $text
+ * @param string $breaktype What kind of line break to use, defaults to CRLF
+ * @return string
+ * @access public
+ * @static
+ */
+ public static function normalizeBreaks($text, $breaktype = "\r\n")
+ {
+ return preg_replace('/(\r\n|\r|\n)/ms', $breaktype, $text);
+ }
+
+
+ /**
+ * Set the public and private key files and password for S/MIME signing.
+ * @access public
+ * @param string $cert_filename
+ * @param string $key_filename
+ * @param string $key_pass Password for private key
+ * @param string $extracerts_filename Optional path to chain certificate
+ */
+ public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = '')
+ {
+ $this->sign_cert_file = $cert_filename;
+ $this->sign_key_file = $key_filename;
+ $this->sign_key_pass = $key_pass;
+ $this->sign_extracerts_file = $extracerts_filename;
+ }
+
+ /**
+ * Quoted-Printable-encode a DKIM header.
+ * @access public
+ * @param string $txt
+ * @return string
+ */
+ public function DKIM_QP($txt)
+ {
+ $line = '';
+ for ($i = 0; $i < strlen($txt); $i++) {
+ $ord = ord($txt[$i]);
+ if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
+ $line .= $txt[$i];
+ } else {
+ $line .= '=' . sprintf('%02X', $ord);
+ }
+ }
+ return $line;
+ }
+
+ /**
+ * Generate a DKIM signature.
+ * @access public
+ * @param string $signHeader
+ * @throws phpmailerException
+ * @return string
+ */
+ public function DKIM_Sign($signHeader)
+ {
+ if (!defined('PKCS7_TEXT')) {
+ if ($this->exceptions) {
+ throw new phpmailerException($this->lang('extension_missing') . 'openssl');
+ }
+ return '';
+ }
+ $privKeyStr = file_get_contents($this->DKIM_private);
+ if ($this->DKIM_passphrase != '') {
+ $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
+ } else {
+ $privKey = $privKeyStr;
+ }
+ if (openssl_sign($signHeader, $signature, $privKey)) {
+ return base64_encode($signature);
+ }
+ return '';
+ }
+
+ /**
+ * Generate a DKIM canonicalization header.
+ * @access public
+ * @param string $signHeader Header
+ * @return string
+ */
+ public function DKIM_HeaderC($signHeader)
+ {
+ $signHeader = preg_replace('/\r\n\s+/', ' ', $signHeader);
+ $lines = explode("\r\n", $signHeader);
+ foreach ($lines as $key => $line) {
+ list($heading, $value) = explode(':', $line, 2);
+ $heading = strtolower($heading);
+ $value = preg_replace('/\s+/', ' ', $value); // Compress useless spaces
+ $lines[$key] = $heading . ':' . trim($value); // Don't forget to remove WSP around the value
+ }
+ $signHeader = implode("\r\n", $lines);
+ return $signHeader;
+ }
+
+ /**
+ * Generate a DKIM canonicalization body.
+ * @access public
+ * @param string $body Message Body
+ * @return string
+ */
+ public function DKIM_BodyC($body)
+ {
+ if ($body == '') {
+ return "\r\n";
+ }
+ // stabilize line endings
+ $body = str_replace("\r\n", "\n", $body);
+ $body = str_replace("\n", "\r\n", $body);
+ // END stabilize line endings
+ while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
+ $body = substr($body, 0, strlen($body) - 2);
+ }
+ return $body;
+ }
+
+ /**
+ * Create the DKIM header and body in a new message header.
+ * @access public
+ * @param string $headers_line Header lines
+ * @param string $subject Subject
+ * @param string $body Body
+ * @return string
+ */
+ public function DKIM_Add($headers_line, $subject, $body)
+ {
+ $DKIMsignatureType = 'rsa-sha1'; // Signature & hash algorithms
+ $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
+ $DKIMquery = 'dns/txt'; // Query method
+ $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
+ $subject_header = "Subject: $subject";
+ $headers = explode($this->LE, $headers_line);
+ $from_header = '';
+ $to_header = '';
+ $current = '';
+ foreach ($headers as $header) {
+ if (strpos($header, 'From:') === 0) {
+ $from_header = $header;
+ $current = 'from_header';
+ } elseif (strpos($header, 'To:') === 0) {
+ $to_header = $header;
+ $current = 'to_header';
+ } else {
+ if (!empty($$current) && strpos($header, ' =?') === 0) {
+ $$current .= $header;
+ } else {
+ $current = '';
+ }
+ }
+ }
+ $from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
+ $to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
+ $subject = str_replace(
+ '|',
+ '=7C',
+ $this->DKIM_QP($subject_header)
+ ); // Copied header fields (dkim-quoted-printable)
+ $body = $this->DKIM_BodyC($body);
+ $DKIMlen = strlen($body); // Length of body
+ $DKIMb64 = base64_encode(pack('H*', sha1($body))); // Base64 of packed binary SHA-1 hash of body
+ if ('' == $this->DKIM_identity) {
+ $ident = '';
+ } else {
+ $ident = ' i=' . $this->DKIM_identity . ';';
+ }
+ $dkimhdrs = 'DKIM-Signature: v=1; a=' .
+ $DKIMsignatureType . '; q=' .
+ $DKIMquery . '; l=' .
+ $DKIMlen . '; s=' .
+ $this->DKIM_selector .
+ ";\r\n" .
+ "\tt=" . $DKIMtime . '; c=' . $DKIMcanonicalization . ";\r\n" .
+ "\th=From:To:Subject;\r\n" .
+ "\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" .
+ "\tz=$from\r\n" .
+ "\t|$to\r\n" .
+ "\t|$subject;\r\n" .
+ "\tbh=" . $DKIMb64 . ";\r\n" .
+ "\tb=";
+ $toSign = $this->DKIM_HeaderC(
+ $from_header . "\r\n" . $to_header . "\r\n" . $subject_header . "\r\n" . $dkimhdrs
+ );
+ $signed = $this->DKIM_Sign($toSign);
+ return $dkimhdrs . $signed . "\r\n";
+ }
+
+ /**
+ * Detect if a string contains a line longer than the maximum line length allowed.
+ * @param string $str
+ * @return boolean
+ * @static
+ */
+ public static function hasLineLongerThanMax($str)
+ {
+ //+2 to include CRLF line break for a 1000 total
+ return (boolean)preg_match('/^(.{'.(self::MAX_LINE_LENGTH + 2).',})/m', $str);
+ }
+
+ /**
+ * Allows for public read access to 'to' property.
+ * @access public
+ * @return array
+ */
+ public function getToAddresses()
+ {
+ return $this->to;
+ }
+
+ /**
+ * Allows for public read access to 'cc' property.
+ * @access public
+ * @return array
+ */
+ public function getCcAddresses()
+ {
+ return $this->cc;
+ }
+
+ /**
+ * Allows for public read access to 'bcc' property.
+ * @access public
+ * @return array
+ */
+ public function getBccAddresses()
+ {
+ return $this->bcc;
+ }
+
+ /**
+ * Allows for public read access to 'ReplyTo' property.
+ * @access public
+ * @return array
+ */
+ public function getReplyToAddresses()
+ {
+ return $this->ReplyTo;
+ }
+
+ /**
+ * Allows for public read access to 'all_recipients' property.
+ * @access public
+ * @return array
+ */
+ public function getAllRecipientAddresses()
+ {
+ return $this->all_recipients;
+ }
+
+ /**
+ * Perform a callback.
+ * @param boolean $isSent
+ * @param array $to
+ * @param array $cc
+ * @param array $bcc
+ * @param string $subject
+ * @param string $body
+ * @param string $from
+ */
+ protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from)
+ {
+ if (!empty($this->action_function) && is_callable($this->action_function)) {
+ $params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
+ call_user_func_array($this->action_function, $params);
+ }
+ }
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