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<?php /** * PHPMailer - PHP email creation and transport class. * PHP Version 5 * @package PHPMailer * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk> * @author Jim Jagielski (jimjag) <jimjag@gmail.com> * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net> * @author Brent R. Matzelle (original founder) * @copyright 2012 - 2014 Marcus Bointon * @copyright 2010 - 2012 Jim Jagielski * @copyright 2004 - 2009 Andy Prevost * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License * @note This program is distributed in the hope that it will be useful - WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. */ /** * PHPMailer - PHP email creation and transport class. * @package PHPMailer * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk> * @author Jim Jagielski (jimjag) <jimjag@gmail.com> * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net> * @author Brent R. Matzelle (original founder) */ class PHPMailer { /** * The PHPMailer Version number. * @var string */ public $Version = '5.2.27'; /** * Email priority. * Options: null (default), 1 = High, 3 = Normal, 5 = low. * When null, the header is not set at all. * @var integer */ public $Priority = null; /** * The character set of the message. * @var string */ public $CharSet = 'iso-8859-1'; /** * The MIME Content-type of the message. * @var string */ public $ContentType = 'text/plain'; /** * The message encoding. * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable". * @var string */ public $Encoding = '8bit'; /** * Holds the most recent mailer error message. * @var string */ public $ErrorInfo = ''; /** * The From email address for the message. * @var string */ public $From = 'root@localhost'; /** * The From name of the message. * @var string */ public $FromName = 'Root User'; /** * The Sender email (Return-Path) of the message. * If not empty, will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode. * @var string */ public $Sender = ''; /** * The Return-Path of the message. * If empty, it will be set to either From or Sender. * @var string * @deprecated Email senders should never set a return-path header; * it's the receiver's job (RFC5321 section 4.4), so this no longer does anything. * @link https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference */ public $ReturnPath = ''; /** * The Subject of the message. * @var string */ public $Subject = ''; /** * An HTML or plain text message body. * If HTML then call isHTML(true). * @var string */ public $Body = ''; /** * The plain-text message body. * This body can be read by mail clients that do not have HTML email * capability such as mutt & Eudora. * Clients that can read HTML will view the normal Body. * @var string */ public $AltBody = ''; /** * An iCal message part body. * Only supported in simple alt or alt_inline message types * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/ * @link http://kigkonsult.se/iCalcreator/ * @var string */ public $Ical = ''; /** * The complete compiled MIME message body. * @access protected * @var string */ protected $MIMEBody = ''; /** * The complete compiled MIME message headers. * @var string * @access protected */ protected $MIMEHeader = ''; /** * Extra headers that createHeader() doesn't fold in. * @var string * @access protected */ protected $mailHeader = ''; /** * Word-wrap the message body to this number of chars. * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance. * @var integer */ public $WordWrap = 0; /** * Which method to use to send mail. * Options: "mail", "sendmail", or "smtp". * @var string */ public $Mailer = 'mail'; /** * The path to the sendmail program. * @var string */ public $Sendmail = '/usr/sbin/sendmail'; /** * Whether mail() uses a fully sendmail-compatible MTA. * One which supports sendmail's "-oi -f" options. * @var boolean */ public $UseSendmailOptions = true; /** * Path to PHPMailer plugins. * Useful if the SMTP class is not in the PHP include path. * @var string * @deprecated Should not be needed now there is an autoloader. */ public $PluginDir = ''; /** * The email address that a reading confirmation should be sent to, also known as read receipt. * @var string */ public $ConfirmReadingTo = ''; /** * The hostname to use in the Message-ID header and as default HELO string. * If empty, PHPMailer attempts to find one with, in order, * $_SERVER['SERVER_NAME'], gethostname(), php_uname('n'), or the value * 'localhost.localdomain'. * @var string */ public $Hostname = ''; /** * An ID to be used in the Message-ID header. * If empty, a unique id will be generated. * You can set your own, but it must be in the format "<id@domain>", * as defined in RFC5322 section 3.6.4 or it will be ignored. * @see https://tools.ietf.org/html/rfc5322#section-3.6.4 * @var string */ public $MessageID = ''; /** * The message Date to be used in the Date header. * If empty, the current date will be added. * @var string */ public $MessageDate = ''; /** * SMTP hosts. * Either a single hostname or multiple semicolon-delimited hostnames. * You can also specify a different port * for each host by using this format: [hostname:port] * (e.g. "smtp1.example.com:25;smtp2.example.com"). * You can also specify encryption type, for example: * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465"). * Hosts will be tried in order. * @var string */ public $Host = 'localhost'; /** * The default SMTP server port. * @var integer * @TODO Why is this needed when the SMTP class takes care of it? */ public $Port = 25; /** * The SMTP HELO of the message. * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find * one with the same method described above for $Hostname. * @var string * @see PHPMailer::$Hostname */ public $Helo = ''; /** * What kind of encryption to use on the SMTP connection. * Options: '', 'ssl' or 'tls' * @var string */ public $SMTPSecure = ''; /** * Whether to enable TLS encryption automatically if a server supports it, * even if `SMTPSecure` is not set to 'tls'. * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid. * @var boolean */ public $SMTPAutoTLS = true; /** * Whether to use SMTP authentication. * Uses the Username and Password properties. * @var boolean * @see PHPMailer::$Username * @see PHPMailer::$Password */ public $SMTPAuth = false; /** * Options array passed to stream_context_create when connecting via SMTP. * @var array */ public $SMTPOptions = array(); /** * SMTP username. * @var string */ public $Username = ''; /** * SMTP password. * @var string */ public $Password = ''; /** * SMTP auth type. * Options are CRAM-MD5, LOGIN, PLAIN, NTLM, XOAUTH2, attempted in that order if not specified * @var string */ public $AuthType = ''; /** * SMTP realm. * Used for NTLM auth * @var string */ public $Realm = ''; /** * SMTP workstation. * Used for NTLM auth * @var string */ public $Workstation = ''; /** * The SMTP server timeout in seconds. * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2 * @var integer */ public $Timeout = 300; /** * SMTP class debug output mode. * Debug output level. * Options: * * `0` No output * * `1` Commands * * `2` Data and commands * * `3` As 2 plus connection status * * `4` Low-level data output * @var integer * @see SMTP::$do_debug */ public $SMTPDebug = 0; /** * How to handle debug output. * Options: * * `echo` Output plain-text as-is, appropriate for CLI * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output * * `error_log` Output to error log as configured in php.ini * * Alternatively, you can provide a callable expecting two params: a message string and the debug level: * <code> * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";}; * </code> * @var string|callable * @see SMTP::$Debugoutput */ public $Debugoutput = 'echo'; /** * Whether to keep SMTP connection open after each message. * If this is set to true then to close the connection * requires an explicit call to smtpClose(). * @var boolean */ public $SMTPKeepAlive = false; /** * Whether to split multiple to addresses into multiple messages * or send them all in one message. * Only supported in `mail` and `sendmail` transports, not in SMTP. * @var boolean */ public $SingleTo = false; /** * Storage for addresses when SingleTo is enabled. * @var array * @TODO This should really not be public */ public $SingleToArray = array(); /** * Whether to generate VERP addresses on send. * Only applicable when sending via SMTP. * @link https://en.wikipedia.org/wiki/Variable_envelope_return_path * @link http://www.postfix.org/VERP_README.html Postfix VERP info * @var boolean */ public $do_verp = false; /** * Whether to allow sending messages with an empty body. * @var boolean */ public $AllowEmpty = false; /** * The default line ending. * @note The default remains "\n". We force CRLF where we know * it must be used via self::CRLF. * @var string */ public $LE = "\n"; /** * DKIM selector. * @var string */ public $DKIM_selector = ''; /** * DKIM Identity. * Usually the email address used as the source of the email. * @var string */ public $DKIM_identity = ''; /** * DKIM passphrase. * Used if your key is encrypted. * @var string */ public $DKIM_passphrase = ''; /** * DKIM signing domain name. * @example 'example.com' * @var string */ public $DKIM_domain = ''; /** * DKIM private key file path. * @var string */ public $DKIM_private = ''; /** * DKIM private key string. * If set, takes precedence over `$DKIM_private`. * @var string */ public $DKIM_private_string = ''; /** * Callback Action function name. * * The function that handles the result of the send email action. * It is called out by send() for each email sent. * * Value can be any php callable: http://www.php.net/is_callable * * Parameters: * boolean $result result of the send action * array $to email addresses of the recipients * array $cc cc email addresses * array $bcc bcc email addresses * string $subject the subject * string $body the email body * string $from email address of sender * @var string */ public $action_function = ''; /** * What to put in the X-Mailer header. * Options: An empty string for PHPMailer default, whitespace for none, or a string to use * @var string */ public $XMailer = ''; /** * Which validator to use by default when validating email addresses. * May be a callable to inject your own validator, but there are several built-in validators. * @see PHPMailer::validateAddress() * @var string|callable * @static */ public static $validator = 'auto'; /** * An instance of the SMTP sender class. * @var SMTP * @access protected */ protected $smtp = null; /** * The array of 'to' names and addresses. * @var array * @access protected */ protected $to = array(); /** * The array of 'cc' names and addresses. * @var array * @access protected */ protected $cc = array(); /** * The array of 'bcc' names and addresses. * @var array * @access protected */ protected $bcc = array(); /** * The array of reply-to names and addresses. * @var array * @access protected */ protected $ReplyTo = array(); /** * An array of all kinds of addresses. * Includes all of $to, $cc, $bcc * @var array * @access protected * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc */ protected $all_recipients = array(); /** * An array of names and addresses queued for validation. * In send(), valid and non duplicate entries are moved to $all_recipients * and one of $to, $cc, or $bcc. * This array is used only for addresses with IDN. * @var array * @access protected * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc * @see PHPMailer::$all_recipients */ protected $RecipientsQueue = array(); /** * An array of reply-to names and addresses queued for validation. * In send(), valid and non duplicate entries are moved to $ReplyTo. * This array is used only for addresses with IDN. * @var array * @access protected * @see PHPMailer::$ReplyTo */ protected $ReplyToQueue = array(); /** * The array of attachments. * @var array * @access protected */ protected $attachment = array(); /** * The array of custom headers. * @var array * @access protected */ protected $CustomHeader = array(); /** * The most recent Message-ID (including angular brackets). * @var string * @access protected */ protected $lastMessageID = ''; /** * The message's MIME type. * @var string * @access protected */ protected $message_type = ''; /** * The array of MIME boundary strings. * @var array * @access protected */ protected $boundary = array(); /** * The array of available languages. * @var array * @access protected */ protected $language = array(); /** * The number of errors encountered. * @var integer * @access protected */ protected $error_count = 0; /** * The S/MIME certificate file path. * @var string * @access protected */ protected $sign_cert_file = ''; /** * The S/MIME key file path. * @var string * @access protected */ protected $sign_key_file = ''; /** * The optional S/MIME extra certificates ("CA Chain") file path. * @var string * @access protected */ protected $sign_extracerts_file = ''; /** * The S/MIME password for the key. * Used only if the key is encrypted. * @var string * @access protected */ protected $sign_key_pass = ''; /** * Whether to throw exceptions for errors. * @var boolean * @access protected */ protected $exceptions = false; /** * Unique ID used for message ID and boundaries. * @var string * @access protected */ protected $uniqueid = ''; /** * Error severity: message only, continue processing. */ const STOP_MESSAGE = 0; /** * Error severity: message, likely ok to continue processing. */ const STOP_CONTINUE = 1; /** * Error severity: message, plus full stop, critical error reached. */ const STOP_CRITICAL = 2; /** * SMTP RFC standard line ending. */ const CRLF = "\r\n"; /** * The maximum line length allowed by RFC 2822 section 2.1.1 * @var integer */ const MAX_LINE_LENGTH = 998; /** * Constructor. * @param boolean $exceptions Should we throw external exceptions? */ public function __construct($exceptions = null) { if ($exceptions !== null) { $this->exceptions = (boolean)$exceptions; } //Pick an appropriate debug output format automatically $this->Debugoutput = (strpos(PHP_SAPI, 'cli') !== false ? 'echo' : 'html'); } /** * Destructor. */ public function __destruct() { //Close any open SMTP connection nicely $this->smtpClose(); } /** * Call mail() in a safe_mode-aware fashion. * Also, unless sendmail_path points to sendmail (or something that * claims to be sendmail), don't pass params (not a perfect fix, * but it will do) * @param string $to To * @param string $subject Subject * @param string $body Message Body * @param string $header Additional Header(s) * @param string $params Params * @access private * @return boolean */ private function mailPassthru($to, $subject, $body, $header, $params) { //Check overloading of mail function to avoid double-encoding if (ini_get('mbstring.func_overload') & 1) { $subject = $this->secureHeader($subject); } else { $subject = $this->encodeHeader($this->secureHeader($subject)); } //Can't use additional_parameters in safe_mode, calling mail() with null params breaks //@link http://php.net/manual/en/function.mail.php if (ini_get('safe_mode') or !$this->UseSendmailOptions or is_null($params)) { $result = @mail($to, $subject, $body, $header); } else { $result = @mail($to, $subject, $body, $header, $params); } return $result; } /** * Output debugging info via user-defined method. * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug). * @see PHPMailer::$Debugoutput * @see PHPMailer::$SMTPDebug * @param string $str */ protected function edebug($str) { if ($this->SMTPDebug <= 0) { return; } //Avoid clash with built-in function names if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) { call_user_func($this->Debugoutput, $str, $this->SMTPDebug); return; } switch ($this->Debugoutput) { case 'error_log': //Don't output, just log error_log($str); break; case 'html': //Cleans up output a bit for a better looking, HTML-safe output echo htmlentities( preg_replace('/[\r\n]+/', '', $str), ENT_QUOTES, 'UTF-8' ) . "<br>\n"; break; case 'echo': default: //Normalize line breaks $str = preg_replace('/\r\n?/ms', "\n", $str); echo gmdate('Y-m-d H:i:s') . "\t" . str_replace( "\n", "\n \t ", trim($str) ) . "\n"; } } /** * Sets message type to HTML or plain. * @param boolean $isHtml True for HTML mode. * @return void */ public function isHTML($isHtml = true) { if ($isHtml) { $this->ContentType = 'text/html'; } else { $this->ContentType = 'text/plain'; } } /** * Send messages using SMTP. * @return void */ public function isSMTP() { $this->Mailer = 'smtp'; } /** * Send messages using PHP's mail() function. * @return void */ public function isMail() { $this->Mailer = 'mail'; } /** * Send messages using $Sendmail. * @return void */ public function isSendmail() { $ini_sendmail_path = ini_get('sendmail_path'); if (!stristr($ini_sendmail_path, 'sendmail')) { $this->Sendmail = '/usr/sbin/sendmail'; } else { $this->Sendmail = $ini_sendmail_path; } $this->Mailer = 'sendmail'; } /** * Send messages using qmail. * @return void */ public function isQmail() { $ini_sendmail_path = ini_get('sendmail_path'); if (!stristr($ini_sendmail_path, 'qmail')) { $this->Sendmail = '/var/qmail/bin/qmail-inject'; } else { $this->Sendmail = $ini_sendmail_path; } $this->Mailer = 'qmail'; } /** * Add a "To" address. * @param string $address The email address to send to * @param string $name * @return boolean true on success, false if address already used or invalid in some way */ public function addAddress($address, $name = '') { return $this->addOrEnqueueAnAddress('to', $address, $name); } /** * Add a "CC" address. * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer. * @param string $address The email address to send to * @param string $name * @return boolean true on success, false if address already used or invalid in some way */ public function addCC($address, $name = '') { return $this->addOrEnqueueAnAddress('cc', $address, $name); } /** * Add a "BCC" address. * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer. * @param string $address The email address to send to * @param string $name * @return boolean true on success, false if address already used or invalid in some way */ public function addBCC($address, $name = '') { return $this->addOrEnqueueAnAddress('bcc', $address, $name); } /** * Add a "Reply-To" address. * @param string $address The email address to reply to * @param string $name * @return boolean true on success, false if address already used or invalid in some way */ public function addReplyTo($address, $name = '') { return $this->addOrEnqueueAnAddress('Reply-To', $address, $name); } /** * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer * can't validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still * be modified after calling this function), addition of such addresses is delayed until send(). * Addresses that have been added already return false, but do not throw exceptions. * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo' * @param string $address The email address to send, resp. to reply to * @param string $name * @throws phpmailerException * @return boolean true on success, false if address already used or invalid in some way * @access protected */ protected function addOrEnqueueAnAddress($kind, $address, $name) { $address = trim($address); $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim if (($pos = strrpos($address, '@')) === false) { // At-sign is misssing. $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address"; $this->setError($error_message); $this->edebug($error_message); if ($this->exceptions) { throw new phpmailerException($error_message); } return false; } $params = array($kind, $address, $name); // Enqueue addresses with IDN until we know the PHPMailer::$CharSet. if ($this->has8bitChars(substr($address, ++$pos)) and $this->idnSupported()) { if ($kind != 'Reply-To') { if (!array_key_exists($address, $this->RecipientsQueue)) { $this->RecipientsQueue[$address] = $params; return true; } } else { if (!array_key_exists($address, $this->ReplyToQueue)) { $this->ReplyToQueue[$address] = $params; return true; } } return false; } // Immediately add standard addresses without IDN. return call_user_func_array(array($this, 'addAnAddress'), $params); } /** * Add an address to one of the recipient arrays or to the ReplyTo array. * Addresses that have been added already return false, but do not throw exceptions. * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo' * @param string $address The email address to send, resp. to reply to * @param string $name * @throws phpmailerException * @return boolean true on success, false if address already used or invalid in some way * @access protected */ protected function addAnAddress($kind, $address, $name = '') { if (!in_array($kind, array('to', 'cc', 'bcc', 'Reply-To'))) { $error_message = $this->lang('Invalid recipient kind: ') . $kind; $this->setError($error_message); $this->edebug($error_message); if ($this->exceptions) { throw new phpmailerException($error_message); } return false; } if (!$this->validateAddress($address)) { $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address"; $this->setError($error_message); $this->edebug($error_message); if ($this->exceptions) { throw new phpmailerException($error_message); } return false; } if ($kind != 'Reply-To') { if (!array_key_exists(strtolower($address), $this->all_recipients)) { array_push($this->$kind, array($address, $name)); $this->all_recipients[strtolower($address)] = true; return true; } } else { if (!array_key_exists(strtolower($address), $this->ReplyTo)) { $this->ReplyTo[strtolower($address)] = array($address, $name); return true; } } return false; } /** * Parse and validate a string containing one or more RFC822-style comma-separated email addresses * of the form "display name <address>" into an array of name/address pairs. * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available. * Note that quotes in the name part are removed. * @param string $addrstr The address list string * @param bool $useimap Whether to use the IMAP extension to parse the list * @return array * @link http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation */ public function parseAddresses($addrstr, $useimap = true) { $addresses = array(); if ($useimap and function_exists('imap_rfc822_parse_adrlist')) { //Use this built-in parser if it's available $list = imap_rfc822_parse_adrlist($addrstr, ''); foreach ($list as $address) { if ($address->host != '.SYNTAX-ERROR.') { if ($this->validateAddress($address->mailbox . '@' . $address->host)) { $addresses[] = array( 'name' => (property_exists($address, 'personal') ? $address->personal : ''), 'address' => $address->mailbox . '@' . $address->host ); } } } } else { //Use this simpler parser $list = explode(',', $addrstr); foreach ($list as $address) { $address = trim($address); //Is there a separate name part? if (strpos($address, '<') === false) { //No separate name, just use the whole thing if ($this->validateAddress($address)) { $addresses[] = array( 'name' => '', 'address' => $address ); } } else { list($name, $email) = explode('<', $address); $email = trim(str_replace('>', '', $email)); if ($this->validateAddress($email)) { $addresses[] = array( 'name' => trim(str_replace(array('"', "'"), '', $name)), 'address' => $email ); } } } } return $addresses; } /** * Set the From and FromName properties. * @param string $address * @param string $name * @param boolean $auto Whether to also set the Sender address, defaults to true * @throws phpmailerException * @return boolean */ public function setFrom($address, $name = '', $auto = true) { $address = trim($address); $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim // Don't validate now addresses with IDN. Will be done in send(). if (($pos = strrpos($address, '@')) === false or (!$this->has8bitChars(substr($address, ++$pos)) or !$this->idnSupported()) and !$this->validateAddress($address)) { $error_message = $this->lang('invalid_address') . " (setFrom) $address"; $this->setError($error_message); $this->edebug($error_message); if ($this->exceptions) { throw new phpmailerException($error_message); } return false; } $this->From = $address; $this->FromName = $name; if ($auto) { if (empty($this->Sender)) { $this->Sender = $address; } } return true; } /** * Return the Message-ID header of the last email. * Technically this is the value from the last time the headers were created, * but it's also the message ID of the last sent message except in * pathological cases. * @return string */ public function getLastMessageID() { return $this->lastMessageID; } /** * Check that a string looks like an email address. * @param string $address The email address to check * @param string|callable $patternselect A selector for the validation pattern to use : * * `auto` Pick best pattern automatically; * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14; * * `pcre` Use old PCRE implementation; * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL; * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements. * * `noregex` Don't use a regex: super fast, really dumb. * Alternatively you may pass in a callable to inject your own validator, for example: * PHPMailer::validateAddress('user@example.com', function($address) { * return (strpos($address, '@') !== false); * }); * You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator. * @return boolean * @static * @access public */ public static function validateAddress($address, $patternselect = null) { if (is_null($patternselect)) { $patternselect = self::$validator; } if (is_callable($patternselect)) { return call_user_func($patternselect, $address); } //Reject line breaks in addresses; it's valid RFC5322, but not RFC5321 if (strpos($address, "\n") !== false or strpos($address, "\r") !== false) { return false; } if (!$patternselect or $patternselect == 'auto') { //Check this constant first so it works when extension_loaded() is disabled by safe mode //Constant was added in PHP 5.2.4 if (defined('PCRE_VERSION')) { //This pattern can get stuck in a recursive loop in PCRE <= 8.0.2 if (version_compare(PCRE_VERSION, '8.0.3') >= 0) { $patternselect = 'pcre8'; } else { $patternselect = 'pcre'; } } elseif (function_exists('extension_loaded') and extension_loaded('pcre')) { //Fall back to older PCRE $patternselect = 'pcre'; } else { //Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension if (version_compare(PHP_VERSION, '5.2.0') >= 0) { $patternselect = 'php'; } else { $patternselect = 'noregex'; } } } switch ($patternselect) { case 'pcre8': /** * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains. * @link http://squiloople.com/2009/12/20/email-address-validation/ * @copyright 2009-2010 Michael Rushton * Feel free to use and redistribute this code. But please keep this copyright notice. */ return (boolean)preg_match( '/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)' . '((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)' . '(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)' . '([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*' . '(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' . '(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' . '|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' . '|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' . '|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD', $address ); case 'pcre': //An older regex that doesn't need a recent PCRE return (boolean)preg_match( '/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>' . '[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")' . '(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*' . '@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})' . '(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:' . '[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?' . '::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:' . '[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?' . '::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}' . '|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD', $address ); case 'html5': /** * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements. * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email) */ return (boolean)preg_match( '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}' . '[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD', $address ); case 'noregex': //No PCRE! Do something _very_ approximate! //Check the address is 3 chars or longer and contains an @ that's not the first or last char return (strlen($address) >= 3 and strpos($address, '@') >= 1 and strpos($address, '@') != strlen($address) - 1); case 'php': default: return (boolean)filter_var($address, FILTER_VALIDATE_EMAIL); } } /** * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the * "intl" and "mbstring" PHP extensions. * @return bool "true" if required functions for IDN support are present */ public function idnSupported() { // @TODO: Write our own "idn_to_ascii" function for PHP <= 5.2. return function_exists('idn_to_ascii') and function_exists('mb_convert_encoding'); } /** * Converts IDN in given email address to its ASCII form, also known as punycode, if possible. * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet. * This function silently returns unmodified address if: * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form) * - Conversion to punycode is impossible (e.g. required PHP functions are not available) * or fails for any reason (e.g. domain has characters not allowed in an IDN) * @see PHPMailer::$CharSet * @param string $address The email address to convert * @return string The encoded address in ASCII form */ public function punyencodeAddress($address) { // Verify we have required functions, CharSet, and at-sign. if ($this->idnSupported() and !empty($this->CharSet) and ($pos = strrpos($address, '@')) !== false) { $domain = substr($address, ++$pos); // Verify CharSet string is a valid one, and domain properly encoded in this CharSet. if ($this->has8bitChars($domain) and @mb_check_encoding($domain, $this->CharSet)) { $domain = mb_convert_encoding($domain, 'UTF-8', $this->CharSet); if (($punycode = defined('INTL_IDNA_VARIANT_UTS46') ? idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46) : idn_to_ascii($domain)) !== false) { return substr($address, 0, $pos) . $punycode; } } } return $address; } /** * Create a message and send it. * Uses the sending method specified by $Mailer. * @throws phpmailerException * @return boolean false on error - See the ErrorInfo property for details of the error. */ public function send() { try { if (!$this->preSend()) { return false; } return $this->postSend(); } catch (phpmailerException $exc) { $this->mailHeader = ''; $this->setError($exc->getMessage()); if ($this->exceptions) { throw $exc; } return false; } } /** * Prepare a message for sending. * @throws phpmailerException * @return boolean */ public function preSend() { try { $this->error_count = 0; // Reset errors $this->mailHeader = ''; // Dequeue recipient and Reply-To addresses with IDN foreach (array_merge($this->RecipientsQueue, $this->ReplyToQueue) as $params) { $params[1] = $this->punyencodeAddress($params[1]); call_user_func_array(array($this, 'addAnAddress'), $params); } if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) { throw new phpmailerException($this->lang('provide_address'), self::STOP_CRITICAL); } // Validate From, Sender, and ConfirmReadingTo addresses foreach (array('From', 'Sender', 'ConfirmReadingTo') as $address_kind) { $this->$address_kind = trim($this->$address_kind); if (empty($this->$address_kind)) { continue; } $this->$address_kind = $this->punyencodeAddress($this->$address_kind); if (!$this->validateAddress($this->$address_kind)) { $error_message = $this->lang('invalid_address') . ' (punyEncode) ' . $this->$address_kind; $this->setError($error_message); $this->edebug($error_message); if ($this->exceptions) { throw new phpmailerException($error_message); } return false; } } // Set whether the message is multipart/alternative if ($this->alternativeExists()) { $this->ContentType = 'multipart/alternative'; } $this->setMessageType(); // Refuse to send an empty message unless we are specifically allowing it if (!$this->AllowEmpty and empty($this->Body)) { throw new phpmailerException($this->lang('empty_message'), self::STOP_CRITICAL); } // Create body before headers in case body makes changes to headers (e.g. altering transfer encoding) $this->MIMEHeader = ''; $this->MIMEBody = $this->createBody(); // createBody may have added some headers, so retain them $tempheaders = $this->MIMEHeader; $this->MIMEHeader = $this->createHeader(); $this->MIMEHeader .= $tempheaders; // To capture the complete message when using mail(), create // an extra header list which createHeader() doesn't fold in if ($this->Mailer == 'mail') { if (count($this->to) > 0) { $this->mailHeader .= $this->addrAppend('To', $this->to); } else { $this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;'); } $this->mailHeader .= $this->headerLine( 'Subject', $this->encodeHeader($this->secureHeader(trim($this->Subject))) ); } // Sign with DKIM if enabled if (!empty($this->DKIM_domain) and !empty($this->DKIM_selector) and (!empty($this->DKIM_private_string) or (!empty($this->DKIM_private) and self::isPermittedPath($this->DKIM_private) and file_exists($this->DKIM_private) ) ) ) { $header_dkim = $this->DKIM_Add( $this->MIMEHeader . $this->mailHeader, $this->encodeHeader($this->secureHeader($this->Subject)), $this->MIMEBody ); $this->MIMEHeader = rtrim($this->MIMEHeader, "\r\n ") . self::CRLF . str_replace("\r\n", "\n", $header_dkim) . self::CRLF; } return true; } catch (phpmailerException $exc) { $this->setError($exc->getMessage()); if ($this->exceptions) { throw $exc; } return false; } } /** * Actually send a message. * Send the email via the selected mechanism * @throws phpmailerException * @return boolean */ public function postSend() { try { // Choose the mailer and send through it switch ($this->Mailer) { case 'sendmail': case 'qmail': return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody); case 'smtp': return $this->smtpSend($this->MIMEHeader, $this->MIMEBody); case 'mail': return $this->mailSend($this->MIMEHeader, $this->MIMEBody); default: $sendMethod = $this->Mailer.'Send'; if (method_exists($this, $sendMethod)) { return $this->$sendMethod($this->MIMEHeader, $this->MIMEBody); } return $this->mailSend($this->MIMEHeader, $this->MIMEBody); } } catch (phpmailerException $exc) { $this->setError($exc->getMessage()); $this->edebug($exc->getMessage()); if ($this->exceptions) { throw $exc; } } return false; } /** * Send mail using the $Sendmail program. * @param string $header The message headers * @param string $body The message body * @see PHPMailer::$Sendmail * @throws phpmailerException * @access protected * @return boolean */ protected function sendmailSend($header, $body) { // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped. if (!empty($this->Sender) and self::isShellSafe($this->Sender)) { if ($this->Mailer == 'qmail') { $sendmailFmt = '%s -f%s'; } else { $sendmailFmt = '%s -oi -f%s -t'; } } else { if ($this->Mailer == 'qmail') { $sendmailFmt = '%s'; } else { $sendmailFmt = '%s -oi -t'; } } // TODO: If possible, this should be changed to escapeshellarg. Needs thorough testing. $sendmail = sprintf($sendmailFmt, escapeshellcmd($this->Sendmail), $this->Sender); if ($this->SingleTo) { foreach ($this->SingleToArray as $toAddr) { if (!@$mail = popen($sendmail, 'w')) { throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL); } fputs($mail, 'To: ' . $toAddr . "\n"); fputs($mail, $header); fputs($mail, $body); $result = pclose($mail); $this->doCallback( ($result == 0), array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From ); if ($result != 0) { throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL); } } } else { if (!@$mail = popen($sendmail, 'w')) { throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL); } fputs($mail, $header); fputs($mail, $body); $result = pclose($mail); $this->doCallback( ($result == 0), $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From ); if ($result != 0) { throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL); } } return true; } /** * Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters. * * Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows. * @param string $string The string to be validated * @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report * @access protected * @return boolean */ protected static function isShellSafe($string) { // Future-proof if (escapeshellcmd($string) !== $string or !in_array(escapeshellarg($string), array("'$string'", "\"$string\"")) ) { return false; } $length = strlen($string); for ($i = 0; $i < $length; $i++) { $c = $string[$i]; // All other characters have a special meaning in at least one common shell, including = and +. // Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here. // Note that this does permit non-Latin alphanumeric characters based on the current locale. if (!ctype_alnum($c) && strpos('@_-.', $c) === false) { return false; } } return true; } /** * Check whether a file path is of a permitted type. * Used to reject URLs and phar files from functions that access local file paths, * such as addAttachment. * @param string $path A relative or absolute path to a file. * @return bool */ protected static function isPermittedPath($path) { return !preg_match('#^[a-z]+://#i', $path); } /** * Send mail using the PHP mail() function. * @param string $header The message headers * @param string $body The message body * @link http://www.php.net/manual/en/book.mail.php * @throws phpmailerException * @access protected * @return boolean */ protected function mailSend($header, $body) { $toArr = array(); foreach ($this->to as $toaddr) { $toArr[] = $this->addrFormat($toaddr); } $to = implode(', ', $toArr); $params = null; //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver if (!empty($this->Sender) and $this->validateAddress($this->Sender)) { // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped. if (self::isShellSafe($this->Sender)) { $params = sprintf('-f%s', $this->Sender); } } if (!empty($this->Sender) and !ini_get('safe_mode') and $this->validateAddress($this->Sender)) { $old_from = ini_get('sendmail_from'); ini_set('sendmail_from', $this->Sender); } $result = false; if ($this->SingleTo and count($toArr) > 1) { foreach ($toArr as $toAddr) { $result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params); $this->doCallback($result, array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From); } } else { $result = $this->mailPassthru($to, $this->Subject, $body, $header, $params); $this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From); } if (isset($old_from)) { ini_set('sendmail_from', $old_from); } if (!$result) { throw new phpmailerException($this->lang('instantiate'), self::STOP_CRITICAL); } return true; } /** * Get an instance to use for SMTP operations. * Override this function to load your own SMTP implementation * @return SMTP */ public function getSMTPInstance() { if (!is_object($this->smtp)) { $this->smtp = new SMTP; } return $this->smtp; } /** * Send mail via SMTP. * Returns false if there is a bad MAIL FROM, RCPT, or DATA input. * Uses the PHPMailerSMTP class by default. * @see PHPMailer::getSMTPInstance() to use a different class. * @param string $header The message headers * @param string $body The message body * @throws phpmailerException * @uses SMTP * @access protected * @return boolean */ protected function smtpSend($header, $body) { $bad_rcpt = array(); if (!$this->smtpConnect($this->SMTPOptions)) { throw new phpmailerException($this->lang('smtp_connect_failed'), self::STOP_CRITICAL); } if (!empty($this->Sender) and $this->validateAddress($this->Sender)) { $smtp_from = $this->Sender; } else { $smtp_from = $this->From; } if (!$this->smtp->mail($smtp_from)) { $this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError())); throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL); } // Attempt to send to all recipients foreach (array($this->to, $this->cc, $this->bcc) as $togroup) { foreach ($togroup as $to) { if (!$this->smtp->recipient($to[0])) { $error = $this->smtp->getError(); $bad_rcpt[] = array('to' => $to[0], 'error' => $error['detail']); $isSent = false; } else { $isSent = true; } $this->doCallback($isSent, array($to[0]), array(), array(), $this->Subject, $body, $this->From); } } // Only send the DATA command if we have viable recipients if ((count($this->all_recipients) > count($bad_rcpt)) and !$this->smtp->data($header . $body)) { throw new phpmailerException($this->lang('data_not_accepted'), self::STOP_CRITICAL); } if ($this->SMTPKeepAlive) { $this->smtp->reset(); } else { $this->smtp->quit(); $this->smtp->close(); } //Create error message for any bad addresses if (count($bad_rcpt) > 0) { $errstr = ''; foreach ($bad_rcpt as $bad) { $errstr .= $bad['to'] . ': ' . $bad['error']; } throw new phpmailerException( $this->lang('recipients_failed') . $errstr, self::STOP_CONTINUE ); } return true; } /** * Initiate a connection to an SMTP server. * Returns false if the operation failed. * @param array $options An array of options compatible with stream_context_create() * @uses SMTP * @access public * @throws phpmailerException * @return boolean */ public function smtpConnect($options = null) { if (is_null($this->smtp)) { $this->smtp = $this->getSMTPInstance(); } //If no options are provided, use whatever is set in the instance if (is_null($options)) { $options = $this->SMTPOptions; } // Already connected? if ($this->smtp->connected()) { return true; } $this->smtp->setTimeout($this->Timeout); $this->smtp->setDebugLevel($this->SMTPDebug); $this->smtp->setDebugOutput($this->Debugoutput); $this->smtp->setVerp($this->do_verp); $hosts = explode(';', $this->Host); $lastexception = null; foreach ($hosts as $hostentry) { $hostinfo = array(); if (!preg_match( '/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*|\[[a-fA-F0-9:]+\]):?([0-9]*)$/', trim($hostentry), $hostinfo )) { // Not a valid host entry $this->edebug('Ignoring invalid host: ' . $hostentry); continue; } // $hostinfo[2]: optional ssl or tls prefix // $hostinfo[3]: the hostname // $hostinfo[4]: optional port number // The host string prefix can temporarily override the current setting for SMTPSecure // If it's not specified, the default value is used $prefix = ''; $secure = $this->SMTPSecure; $tls = ($this->SMTPSecure == 'tls'); if ('ssl' == $hostinfo[2] or ('' == $hostinfo[2] and 'ssl' == $this->SMTPSecure)) { $prefix = 'ssl://'; $tls = false; // Can't have SSL and TLS at the same time $secure = 'ssl'; } elseif ($hostinfo[2] == 'tls') { $tls = true; // tls doesn't use a prefix $secure = 'tls'; } //Do we need the OpenSSL extension? $sslext = defined('OPENSSL_ALGO_SHA1'); if ('tls' === $secure or 'ssl' === $secure) { //Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled if (!$sslext) { throw new phpmailerException($this->lang('extension_missing').'openssl', self::STOP_CRITICAL); } } $host = $hostinfo[3]; $port = $this->Port; $tport = (integer)$hostinfo[4]; if ($tport > 0 and $tport < 65536) { $port = $tport; } if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) { try { if ($this->Helo) { $hello = $this->Helo; } else { $hello = $this->serverHostname(); } $this->smtp->hello($hello); //Automatically enable TLS encryption if: // * it's not disabled // * we have openssl extension // * we are not already using SSL // * the server offers STARTTLS if ($this->SMTPAutoTLS and $sslext and $secure != 'ssl' and $this->smtp->getServerExt('STARTTLS')) { $tls = true; } if ($tls) { if (!$this->smtp->startTLS()) { throw new phpmailerException($this->lang('connect_host')); } // We must resend EHLO after TLS negotiation $this->smtp->hello($hello); } if ($this->SMTPAuth) { if (!$this->smtp->authenticate( $this->Username, $this->Password, $this->AuthType, $this->Realm, $this->Workstation ) ) { throw new phpmailerException($this->lang('authenticate')); } } return true; } catch (phpmailerException $exc) { $lastexception = $exc; $this->edebug($exc->getMessage()); // We must have connected, but then failed TLS or Auth, so close connection nicely $this->smtp->quit(); } } } // If we get here, all connection attempts have failed, so close connection hard $this->smtp->close(); // As we've caught all exceptions, just report whatever the last one was if ($this->exceptions and !is_null($lastexception)) { throw $lastexception; } return false; } /** * Close the active SMTP session if one exists. * @return void */ public function smtpClose() { if (is_a($this->smtp, 'SMTP')) { if ($this->smtp->connected()) { $this->smtp->quit(); $this->smtp->close(); } } } /** * Set the language for error messages. * Returns false if it cannot load the language file. * The default language is English. * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr") * @param string $lang_path Path to the language file directory, with trailing separator (slash) * @return boolean * @access public */ public function setLanguage($langcode = 'en', $lang_path = '') { // Backwards compatibility for renamed language codes $renamed_langcodes = array( 'br' => 'pt_br', 'cz' => 'cs', 'dk' => 'da', 'no' => 'nb', 'se' => 'sv', 'sr' => 'rs' ); if (isset($renamed_langcodes[$langcode])) { $langcode = $renamed_langcodes[$langcode]; } // Define full set of translatable strings in English $PHPMAILER_LANG = array( 'authenticate' => 'SMTP Error: Could not authenticate.', 'connect_host' => 'SMTP Error: Could not connect to SMTP host.', 'data_not_accepted' => 'SMTP Error: data not accepted.', 'empty_message' => 'Message body empty', 'encoding' => 'Unknown encoding: ', 'execute' => 'Could not execute: ', 'file_access' => 'Could not access file: ', 'file_open' => 'File Error: Could not open file: ', 'from_failed' => 'The following From address failed: ', 'instantiate' => 'Could not instantiate mail function.', 'invalid_address' => 'Invalid address: ', 'mailer_not_supported' => ' mailer is not supported.', 'provide_address' => 'You must provide at least one recipient email address.', 'recipients_failed' => 'SMTP Error: The following recipients failed: ', 'signing' => 'Signing Error: ', 'smtp_connect_failed' => 'SMTP connect() failed.', 'smtp_error' => 'SMTP server error: ', 'variable_set' => 'Cannot set or reset variable: ', 'extension_missing' => 'Extension missing: ' ); if (empty($lang_path)) { // Calculate an absolute path so it can work if CWD is not here $lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . 'language'. DIRECTORY_SEPARATOR; } //Validate $langcode if (!preg_match('/^[a-z]{2}(?:_[a-zA-Z]{2})?$/', $langcode)) { $langcode = 'en'; } $foundlang = true; $lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php'; // There is no English translation file if ($langcode != 'en') { // Make sure language file path is readable if (!self::isPermittedPath($lang_file) or !is_readable($lang_file)) { $foundlang = false; } else { // Overwrite language-specific strings. // This way we'll never have missing translation keys. $foundlang = include $lang_file; } } $this->language = $PHPMAILER_LANG; return (boolean)$foundlang; // Returns false if language not found } /** * Get the array of strings for the current language. * @return array */ public function getTranslations() { return $this->language; } /** * Create recipient headers. * @access public * @param string $type * @param array $addr An array of recipient, * where each recipient is a 2-element indexed array with element 0 containing an address * and element 1 containing a name, like: * array(array('joe@example.com', 'Joe User'), array('zoe@example.com', 'Zoe User')) * @return string */ public function addrAppend($type, $addr) { $addresses = array(); foreach ($addr as $address) { $addresses[] = $this->addrFormat($address); } return $type . ': ' . implode(', ', $addresses) . $this->LE; } /** * Format an address for use in a message header. * @access public * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name * like array('joe@example.com', 'Joe User') * @return string */ public function addrFormat($addr) { if (empty($addr[1])) { // No name provided return $this->secureHeader($addr[0]); } else { return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') . ' <' . $this->secureHeader( $addr[0] ) . '>'; } } /** * Word-wrap message. * For use with mailers that do not automatically perform wrapping * and for quoted-printable encoded messages. * Original written by philippe. * @param string $message The message to wrap * @param integer $length The line length to wrap to * @param boolean $qp_mode Whether to run in Quoted-Printable mode * @access public * @return string */ public function wrapText($message, $length, $qp_mode = false) { if ($qp_mode) { $soft_break = sprintf(' =%s', $this->LE); } else { $soft_break = $this->LE; } // If utf-8 encoding is used, we will need to make sure we don't // split multibyte characters when we wrap $is_utf8 = (strtolower($this->CharSet) == 'utf-8'); $lelen = strlen($this->LE); $crlflen = strlen(self::CRLF); $message = $this->fixEOL($message); //Remove a trailing line break if (substr($message, -$lelen) == $this->LE) { $message = substr($message, 0, -$lelen); } //Split message into lines $lines = explode($this->LE, $message); //Message will be rebuilt in here $message = ''; foreach ($lines as $line) { $words = explode(' ', $line); $buf = ''; $firstword = true; foreach ($words as $word) { if ($qp_mode and (strlen($word) > $length)) { $space_left = $length - strlen($buf) - $crlflen; if (!$firstword) { if ($space_left > 20) { $len = $space_left; if ($is_utf8) { $len = $this->utf8CharBoundary($word, $len); } elseif (substr($word, $len - 1, 1) == '=') { $len--; } elseif (substr($word, $len - 2, 1) == '=') { $len -= 2; } $part = substr($word, 0, $len); $word = substr($word, $len); $buf .= ' ' . $part; $message .= $buf . sprintf('=%s', self::CRLF); } else { $message .= $buf . $soft_break; } $buf = ''; } while (strlen($word) > 0) { if ($length <= 0) { break; } $len = $length; if ($is_utf8) { $len = $this->utf8CharBoundary($word, $len); } elseif (substr($word, $len - 1, 1) == '=') { $len--; } elseif (substr($word, $len - 2, 1) == '=') { $len -= 2; } $part = substr($word, 0, $len); $word = substr($word, $len); if (strlen($word) > 0) { $message .= $part . sprintf('=%s', self::CRLF); } else { $buf = $part; } } } else { $buf_o = $buf; if (!$firstword) { $buf .= ' '; } $buf .= $word; if (strlen($buf) > $length and $buf_o != '') { $message .= $buf_o . $soft_break; $buf = $word; } } $firstword = false; } $message .= $buf . self::CRLF; } return $message; } /** * Find the last character boundary prior to $maxLength in a utf-8 * quoted-printable encoded string. * Original written by Colin Brown. * @access public * @param string $encodedText utf-8 QP text * @param integer $maxLength Find the last character boundary prior to this length * @return integer */ public function utf8CharBoundary($encodedText, $maxLength) { $foundSplitPos = false; $lookBack = 3; while (!$foundSplitPos) { $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack); $encodedCharPos = strpos($lastChunk, '='); if (false !== $encodedCharPos) { // Found start of encoded character byte within $lookBack block. // Check the encoded byte value (the 2 chars after the '=') $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2); $dec = hexdec($hex); if ($dec < 128) { // Single byte character. // If the encoded char was found at pos 0, it will fit // otherwise reduce maxLength to start of the encoded char if ($encodedCharPos > 0) { $maxLength = $maxLength - ($lookBack - $encodedCharPos); } $foundSplitPos = true; } elseif ($dec >= 192) { // First byte of a multi byte character // Reduce maxLength to split at start of character $maxLength = $maxLength - ($lookBack - $encodedCharPos); $foundSplitPos = true; } elseif ($dec < 192) { // Middle byte of a multi byte character, look further back $lookBack += 3; } } else { // No encoded character found $foundSplitPos = true; } } return $maxLength; } /** * Apply word wrapping to the message body. * Wraps the message body to the number of chars set in the WordWrap property. * You should only do this to plain-text bodies as wrapping HTML tags may break them. * This is called automatically by createBody(), so you don't need to call it yourself. * @access public * @return void */ public function setWordWrap() { if ($this->WordWrap < 1) { return; } switch ($this->message_type) { case 'alt': case 'alt_inline': case 'alt_attach': case 'alt_inline_attach': $this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap); break; default: $this->Body = $this->wrapText($this->Body, $this->WordWrap); break; } } /** * Assemble message headers. * @access public * @return string The assembled headers */ public function createHeader() { $result = ''; $result .= $this->headerLine('Date', $this->MessageDate == '' ? self::rfcDate() : $this->MessageDate); // To be created automatically by mail() if ($this->SingleTo) { if ($this->Mailer != 'mail') { foreach ($this->to as $toaddr) { $this->SingleToArray[] = $this->addrFormat($toaddr); } } } else { if (count($this->to) > 0) { if ($this->Mailer != 'mail') { $result .= $this->addrAppend('To', $this->to); } } elseif (count($this->cc) == 0) { $result .= $this->headerLine('To', 'undisclosed-recipients:;'); } } $result .= $this->addrAppend('From', array(array(trim($this->From), $this->FromName))); // sendmail and mail() extract Cc from the header before sending if (count($this->cc) > 0) { $result .= $this->addrAppend('Cc', $this->cc); } // sendmail and mail() extract Bcc from the header before sending if (( $this->Mailer == 'sendmail' or $this->Mailer == 'qmail' or $this->Mailer == 'mail' ) and count($this->bcc) > 0 ) { $result .= $this->addrAppend('Bcc', $this->bcc); } if (count($this->ReplyTo) > 0) { $result .= $this->addrAppend('Reply-To', $this->ReplyTo); } // mail() sets the subject itself if ($this->Mailer != 'mail') { $result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject))); } // Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4 // https://tools.ietf.org/html/rfc5322#section-3.6.4 if ('' != $this->MessageID and preg_match('/^<.*@.*>$/', $this->MessageID)) { $this->lastMessageID = $this->MessageID; } else { $this->lastMessageID = sprintf('<%s@%s>', $this->uniqueid, $this->serverHostname()); } $result .= $this->headerLine('Message-ID', $this->lastMessageID); if (!is_null($this->Priority)) { $result .= $this->headerLine('X-Priority', $this->Priority); } if ($this->XMailer == '') { $result .= $this->headerLine( 'X-Mailer', 'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer)' ); } else { $myXmailer = trim($this->XMailer); if ($myXmailer) { $result .= $this->headerLine('X-Mailer', $myXmailer); } } if ($this->ConfirmReadingTo != '') { $result .= $this->headerLine('Disposition-Notification-To', '<' . $this->ConfirmReadingTo . '>'); } // Add custom headers foreach ($this->CustomHeader as $header) { $result .= $this->headerLine( trim($header[0]), $this->encodeHeader(trim($header[1])) ); } if (!$this->sign_key_file) { $result .= $this->headerLine('MIME-Version', '1.0'); $result .= $this->getMailMIME(); } return $result; } /** * Get the message MIME type headers. * @access public * @return string */ public function getMailMIME() { $result = ''; $ismultipart = true; switch ($this->message_type) { case 'inline': $result .= $this->headerLine('Content-Type', 'multipart/related;'); $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"'); break; case 'attach': case 'inline_attach': case 'alt_attach': case 'alt_inline_attach': $result .= $this->headerLine('Content-Type', 'multipart/mixed;'); $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"'); break; case 'alt': case 'alt_inline': $result .= $this->headerLine('Content-Type', 'multipart/alternative;'); $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"'); break; default: // Catches case 'plain': and case '': $result .= $this->textLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet); $ismultipart = false; break; } // RFC1341 part 5 says 7bit is assumed if not specified if ($this->Encoding != '7bit') { // RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE if ($ismultipart) { if ($this->Encoding == '8bit') { $result .= $this->headerLine('Content-Transfer-Encoding', '8bit'); } // The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible } else { $result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding); } } if ($this->Mailer != 'mail') { $result .= $this->LE; } return $result; } /** * Returns the whole MIME message. * Includes complete headers and body. * Only valid post preSend(). * @see PHPMailer::preSend() * @access public * @return string */ public function getSentMIMEMessage() { return rtrim($this->MIMEHeader . $this->mailHeader, "\n\r") . self::CRLF . self::CRLF . $this->MIMEBody; } /** * Create unique ID * @return string */ protected function generateId() { return md5(uniqid(time())); } /** * Assemble the message body. * Returns an empty string on failure. * @access public * @throws phpmailerException * @return string The assembled message body */ public function createBody() { $body = ''; //Create unique IDs and preset boundaries $this->uniqueid = $this->generateId(); $this->boundary[1] = 'b1_' . $this->uniqueid; $this->boundary[2] = 'b2_' . $this->uniqueid; $this->boundary[3] = 'b3_' . $this->uniqueid; if ($this->sign_key_file) { $body .= $this->getMailMIME() . $this->LE; } $this->setWordWrap(); $bodyEncoding = $this->Encoding; $bodyCharSet = $this->CharSet; //Can we do a 7-bit downgrade? if ($bodyEncoding == '8bit' and !$this->has8bitChars($this->Body)) { $bodyEncoding = '7bit'; //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit $bodyCharSet = 'us-ascii'; } //If lines are too long, and we're not already using an encoding that will shorten them, //change to quoted-printable transfer encoding for the body part only if ('base64' != $this->Encoding and self::hasLineLongerThanMax($this->Body)) { $bodyEncoding = 'quoted-printable'; } $altBodyEncoding = $this->Encoding; $altBodyCharSet = $this->CharSet; //Can we do a 7-bit downgrade? if ($altBodyEncoding == '8bit' and !$this->has8bitChars($this->AltBody)) { $altBodyEncoding = '7bit'; //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit $altBodyCharSet = 'us-ascii'; } //If lines are too long, and we're not already using an encoding that will shorten them, //change to quoted-printable transfer encoding for the alt body part only if ('base64' != $altBodyEncoding and self::hasLineLongerThanMax($this->AltBody)) { $altBodyEncoding = 'quoted-printable'; } //Use this as a preamble in all multipart message types $mimepre = "This is a multi-part message in MIME format." . $this->LE . $this->LE; switch ($this->message_type) { case 'inline': $body .= $mimepre; $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding); $body .= $this->encodeString($this->Body, $bodyEncoding); $body .= $this->LE . $this->LE; $body .= $this->attachAll('inline', $this->boundary[1]); break; case 'attach': $body .= $mimepre; $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding); $body .= $this->encodeString($this->Body, $bodyEncoding); $body .= $this->LE . $this->LE; $body .= $this->attachAll('attachment', $this->boundary[1]); break; case 'inline_attach': $body .= $mimepre; $body .= $this->textLine('--' . $this->boundary[1]); $body .= $this->headerLine('Content-Type', 'multipart/related;'); $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"'); $body .= $this->LE; $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding); $body .= $this->encodeString($this->Body, $bodyEncoding); $body .= $this->LE . $this->LE; $body .= $this->attachAll('inline', $this->boundary[2]); $body .= $this->LE; $body .= $this->attachAll('attachment', $this->boundary[1]); break; case 'alt': $body .= $mimepre; $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding); $body .= $this->encodeString($this->AltBody, $altBodyEncoding); $body .= $this->LE . $this->LE; $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, 'text/html', $bodyEncoding); $body .= $this->encodeString($this->Body, $bodyEncoding); $body .= $this->LE . $this->LE; if (!empty($this->Ical)) { $body .= $this->getBoundary($this->boundary[1], '', 'text/calendar; method=REQUEST', ''); $body .= $this->encodeString($this->Ical, $this->Encoding); $body .= $this->LE . $this->LE; } $body .= $this->endBoundary($this->boundary[1]); break; case 'alt_inline': $body .= $mimepre; $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding); $body .= $this->encodeString($this->AltBody, $altBodyEncoding); $body .= $this->LE . $this->LE; $body .= $this->textLine('--' . $this->boundary[1]); $body .= $this->headerLine('Content-Type', 'multipart/related;'); $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"'); $body .= $this->LE; $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding); $body .= $this->encodeString($this->Body, $bodyEncoding); $body .= $this->LE . $this->LE; $body .= $this->attachAll('inline', $this->boundary[2]); $body .= $this->LE; $body .= $this->endBoundary($this->boundary[1]); break; case 'alt_attach': $body .= $mimepre; $body .= $this->textLine('--' . $this->boundary[1]); $body .= $this->headerLine('Content-Type', 'multipart/alternative;'); $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"'); $body .= $this->LE; $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding); $body .= $this->encodeString($this->AltBody, $altBodyEncoding); $body .= $this->LE . $this->LE; $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding); $body .= $this->encodeString($this->Body, $bodyEncoding); $body .= $this->LE . $this->LE; $body .= $this->endBoundary($this->boundary[2]); $body .= $this->LE; $body .= $this->attachAll('attachment', $this->boundary[1]); break; case 'alt_inline_attach': $body .= $mimepre; $body .= $this->textLine('--' . $this->boundary[1]); $body .= $this->headerLine('Content-Type', 'multipart/alternative;'); $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"'); $body .= $this->LE; $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding); $body .= $this->encodeString($this->AltBody, $altBodyEncoding); $body .= $this->LE . $this->LE; $body .= $this->textLine('--' . $this->boundary[2]); $body .= $this->headerLine('Content-Type', 'multipart/related;'); $body .= $this->textLine("\tboundary=\"" . $this->boundary[3] . '"'); $body .= $this->LE; $body .= $this->getBoundary($this->boundary[3], $bodyCharSet, 'text/html', $bodyEncoding); $body .= $this->encodeString($this->Body, $bodyEncoding); $body .= $this->LE . $this->LE; $body .= $this->attachAll('inline', $this->boundary[3]); $body .= $this->LE; $body .= $this->endBoundary($this->boundary[2]); $body .= $this->LE; $body .= $this->attachAll('attachment', $this->boundary[1]); break; default: // Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types //Reset the `Encoding` property in case we changed it for line length reasons $this->Encoding = $bodyEncoding; $body .= $this->encodeString($this->Body, $this->Encoding); break; } if ($this->isError()) { $body = ''; } elseif ($this->sign_key_file) { try { if (!defined('PKCS7_TEXT')) { throw new phpmailerException($this->lang('extension_missing') . 'openssl'); } // @TODO would be nice to use php://temp streams here, but need to wrap for PHP < 5.1 $file = tempnam(sys_get_temp_dir(), 'mail'); if (false === file_put_contents($file, $body)) { throw new phpmailerException($this->lang('signing') . ' Could not write temp file'); } $signed = tempnam(sys_get_temp_dir(), 'signed'); //Workaround for PHP bug https://bugs.php.net/bug.php?id=69197 if (empty($this->sign_extracerts_file)) { $sign = @openssl_pkcs7_sign( $file, $signed, 'file://' . realpath($this->sign_cert_file), array('file://' . realpath($this->sign_key_file), $this->sign_key_pass), null ); } else { $sign = @openssl_pkcs7_sign( $file, $signed, 'file://' . realpath($this->sign_cert_file), array('file://' . realpath($this->sign_key_file), $this->sign_key_pass), null, PKCS7_DETACHED, $this->sign_extracerts_file ); } if ($sign) { @unlink($file); $body = file_get_contents($signed); @unlink($signed); //The message returned by openssl contains both headers and body, so need to split them up $parts = explode("\n\n", $body, 2); $this->MIMEHeader .= $parts[0] . $this->LE . $this->LE; $body = $parts[1]; } else { @unlink($file); @unlink($signed); throw new phpmailerException($this->lang('signing') . openssl_error_string()); } } catch (phpmailerException $exc) { $body = ''; if ($this->exceptions) { throw $exc; } } } return $body; } /** * Return the start of a message boundary. * @access protected * @param string $boundary * @param string $charSet * @param string $contentType * @param string $encoding * @return string */ protected function getBoundary($boundary, $charSet, $contentType, $encoding) { $result = ''; if ($charSet == '') { $charSet = $this->CharSet; } if ($contentType == '') { $contentType = $this->ContentType; } if ($encoding == '') { $encoding = $this->Encoding; } $result .= $this->textLine('--' . $boundary); $result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet); $result .= $this->LE; // RFC1341 part 5 says 7bit is assumed if not specified if ($encoding != '7bit') { $result .= $this->headerLine('Content-Transfer-Encoding', $encoding); } $result .= $this->LE; return $result; } /** * Return the end of a message boundary. * @access protected * @param string $boundary * @return string */ protected function endBoundary($boundary) { return $this->LE . '--' . $boundary . '--' . $this->LE; } /** * Set the message type. * PHPMailer only supports some preset message types, not arbitrary MIME structures. * @access protected * @return void */ protected function setMessageType() { $type = array(); if ($this->alternativeExists()) { $type[] = 'alt'; } if ($this->inlineImageExists()) { $type[] = 'inline'; } if ($this->attachmentExists()) { $type[] = 'attach'; } $this->message_type = implode('_', $type); if ($this->message_type == '') { //The 'plain' message_type refers to the message having a single body element, not that it is plain-text $this->message_type = 'plain'; } } /** * Format a header line. * @access public * @param string $name * @param string $value * @return string */ public function headerLine($name, $value) { return $name . ': ' . $value . $this->LE; } /** * Return a formatted mail line. * @access public * @param string $value * @return string */ public function textLine($value) { return $value . $this->LE; } /** * Add an attachment from a path on the filesystem. * Never use a user-supplied path to a file! * Returns false if the file could not be found or read. * Explicitly *does not* support passing URLs; PHPMailer is not an HTTP client. * If you need to do that, fetch the resource yourself and pass it in via a local file or string. * @param string $path Path to the attachment. * @param string $name Overrides the attachment name. * @param string $encoding File encoding (see $Encoding). * @param string $type File extension (MIME) type. * @param string $disposition Disposition to use * @throws phpmailerException * @return boolean */ public function addAttachment($path, $name = '', $encoding = 'base64', $type = '', $disposition = 'attachment') { try { if (!self::isPermittedPath($path) or !@is_file($path)) { throw new phpmailerException($this->lang('file_access') . $path, self::STOP_CONTINUE); } // If a MIME type is not specified, try to work it out from the file name if ($type == '') { $type = self::filenameToType($path); } $filename = basename($path); if ($name == '') { $name = $filename; } $this->attachment[] = array( 0 => $path, 1 => $filename, 2 => $name, 3 => $encoding, 4 => $type, 5 => false, // isStringAttachment 6 => $disposition, 7 => 0 ); } catch (phpmailerException $exc) { $this->setError($exc->getMessage()); $this->edebug($exc->getMessage()); if ($this->exceptions) { throw $exc; } return false; } return true; } /** * Return the array of attachments. * @return array */ public function getAttachments() { return $this->attachment; } /** * Attach all file, string, and binary attachments to the message. * Returns an empty string on failure. * @access protected * @param string $disposition_type * @param string $boundary * @return string */ protected function attachAll($disposition_type, $boundary) { // Return text of body $mime = array(); $cidUniq = array(); $incl = array(); // Add all attachments foreach ($this->attachment as $attachment) { // Check if it is a valid disposition_filter if ($attachment[6] == $disposition_type) { // Check for string attachment $string = ''; $path = ''; $bString = $attachment[5]; if ($bString) { $string = $attachment[0]; } else { $path = $attachment[0]; } $inclhash = md5(serialize($attachment)); if (in_array($inclhash, $incl)) { continue; } $incl[] = $inclhash; $name = $attachment[2]; $encoding = $attachment[3]; $type = $attachment[4]; $disposition = $attachment[6]; $cid = $attachment[7]; if ($disposition == 'inline' && array_key_exists($cid, $cidUniq)) { continue; } $cidUniq[$cid] = true; $mime[] = sprintf('--%s%s', $boundary, $this->LE); //Only include a filename property if we have one if (!empty($name)) { $mime[] = sprintf( 'Content-Type: %s; name="%s"%s', $type, $this->encodeHeader($this->secureHeader($name)), $this->LE ); } else { $mime[] = sprintf( 'Content-Type: %s%s', $type, $this->LE ); } // RFC1341 part 5 says 7bit is assumed if not specified if ($encoding != '7bit') { $mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, $this->LE); } if ($disposition == 'inline') { $mime[] = sprintf('Content-ID: <%s>%s', $cid, $this->LE); } // If a filename contains any of these chars, it should be quoted, // but not otherwise: RFC2183 & RFC2045 5.1 // Fixes a warning in IETF's msglint MIME checker // Allow for bypassing the Content-Disposition header totally if (!(empty($disposition))) { $encoded_name = $this->encodeHeader($this->secureHeader($name)); if (preg_match('/[ \(\)<>@,;:\\"\/\[\]\?=]/', $encoded_name)) { $mime[] = sprintf( 'Content-Disposition: %s; filename="%s"%s', $disposition, $encoded_name, $this->LE . $this->LE ); } else { if (!empty($encoded_name)) { $mime[] = sprintf( 'Content-Disposition: %s; filename=%s%s', $disposition, $encoded_name, $this->LE . $this->LE ); } else { $mime[] = sprintf( 'Content-Disposition: %s%s', $disposition, $this->LE . $this->LE ); } } } else { $mime[] = $this->LE; } // Encode as string attachment if ($bString) { $mime[] = $this->encodeString($string, $encoding); if ($this->isError()) { return ''; } $mime[] = $this->LE . $this->LE; } else { $mime[] = $this->encodeFile($path, $encoding); if ($this->isError()) { return ''; } $mime[] = $this->LE . $this->LE; } } } $mime[] = sprintf('--%s--%s', $boundary, $this->LE); return implode('', $mime); } /** * Encode a file attachment in requested format. * Returns an empty string on failure. * @param string $path The full path to the file * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable' * @throws phpmailerException * @access protected * @return string */ protected function encodeFile($path, $encoding = 'base64') { try { if (!self::isPermittedPath($path) or !file_exists($path)) { throw new phpmailerException($this->lang('file_open') . $path, self::STOP_CONTINUE); } $magic_quotes = get_magic_quotes_runtime(); if ($magic_quotes) { if (version_compare(PHP_VERSION, '5.3.0', '<')) { set_magic_quotes_runtime(false); } else { //Doesn't exist in PHP 5.4, but we don't need to check because //get_magic_quotes_runtime always returns false in 5.4+ //so it will never get here ini_set('magic_quotes_runtime', false); } } $file_buffer = file_get_contents($path); $file_buffer = $this->encodeString($file_buffer, $encoding); if ($magic_quotes) { if (version_compare(PHP_VERSION, '5.3.0', '<')) { set_magic_quotes_runtime($magic_quotes); } else { ini_set('magic_quotes_runtime', $magic_quotes); } } return $file_buffer; } catch (Exception $exc) { $this->setError($exc->getMessage()); return ''; } } /** * Encode a string in requested format. * Returns an empty string on failure. * @param string $str The text to encode * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable' * @access public * @return string */ public function encodeString($str, $encoding = 'base64') { $encoded = ''; switch (strtolower($encoding)) { case 'base64': $encoded = chunk_split(base64_encode($str), 76, $this->LE); break; case '7bit': case '8bit': $encoded = $this->fixEOL($str); // Make sure it ends with a line break if (substr($encoded, -(strlen($this->LE))) != $this->LE) { $encoded .= $this->LE; } break; case 'binary': $encoded = $str; break; case 'quoted-printable': $encoded = $this->encodeQP($str); break; default: $this->setError($this->lang('encoding') . $encoding); break; } return $encoded; } /** * Encode a header string optimally. * Picks shortest of Q, B, quoted-printable or none. * @access public * @param string $str * @param string $position * @return string */ public function encodeHeader($str, $position = 'text') { $matchcount = 0; switch (strtolower($position)) { case 'phrase': if (!preg_match('/[\200-\377]/', $str)) { // Can't use addslashes as we don't know the value of magic_quotes_sybase $encoded = addcslashes($str, "\0..\37\177\\\""); if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) { return ($encoded); } else { return ("\"$encoded\""); } } $matchcount = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches); break; /** @noinspection PhpMissingBreakStatementInspection */ case 'comment': $matchcount = preg_match_all('/[()"]/', $str, $matches); // Intentional fall-through case 'text': default: $matchcount += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches); break; } //There are no chars that need encoding if ($matchcount == 0) { return ($str); } $maxlen = 75 - 7 - strlen($this->CharSet); // Try to select the encoding which should produce the shortest output if ($matchcount > strlen($str) / 3) { // More than a third of the content will need encoding, so B encoding will be most efficient $encoding = 'B'; if (function_exists('mb_strlen') && $this->hasMultiBytes($str)) { // Use a custom function which correctly encodes and wraps long // multibyte strings without breaking lines within a character $encoded = $this->base64EncodeWrapMB($str, "\n"); } else { $encoded = base64_encode($str); $maxlen -= $maxlen % 4; $encoded = trim(chunk_split($encoded, $maxlen, "\n")); } } else { $encoding = 'Q'; $encoded = $this->encodeQ($str, $position); $encoded = $this->wrapText($encoded, $maxlen, true); $encoded = str_replace('=' . self::CRLF, "\n", trim($encoded)); } $encoded = preg_replace('/^(.*)$/m', ' =?' . $this->CharSet . "?$encoding?\\1?=", $encoded); $encoded = trim(str_replace("\n", $this->LE, $encoded)); return $encoded; } /** * Check if a string contains multi-byte characters. * @access public * @param string $str multi-byte text to wrap encode * @return boolean */ public function hasMultiBytes($str) { if (function_exists('mb_strlen')) { return (strlen($str) > mb_strlen($str, $this->CharSet)); } else { // Assume no multibytes (we can't handle without mbstring functions anyway) return false; } } /** * Does a string contain any 8-bit chars (in any charset)? * @param string $text * @return boolean */ public function has8bitChars($text) { return (boolean)preg_match('/[\x80-\xFF]/', $text); } /** * Encode and wrap long multibyte strings for mail headers * without breaking lines within a character. * Adapted from a function by paravoid * @link http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283 * @access public * @param string $str multi-byte text to wrap encode * @param string $linebreak string to use as linefeed/end-of-line * @return string */ public function base64EncodeWrapMB($str, $linebreak = null) { $start = '=?' . $this->CharSet . '?B?'; $end = '?='; $encoded = ''; if ($linebreak === null) { $linebreak = $this->LE; } $mb_length = mb_strlen($str, $this->CharSet); // Each line must have length <= 75, including $start and $end $length = 75 - strlen($start) - strlen($end); // Average multi-byte ratio $ratio = $mb_length / strlen($str); // Base64 has a 4:3 ratio $avgLength = floor($length * $ratio * .75); for ($i = 0; $i < $mb_length; $i += $offset) { $lookBack = 0; do { $offset = $avgLength - $lookBack; $chunk = mb_substr($str, $i, $offset, $this->CharSet); $chunk = base64_encode($chunk); $lookBack++; } while (strlen($chunk) > $length); $encoded .= $chunk . $linebreak; } // Chomp the last linefeed $encoded = substr($encoded, 0, -strlen($linebreak)); return $encoded; } /** * Encode a string in quoted-printable format. * According to RFC2045 section 6.7. * @access public * @param string $string The text to encode * @param integer $line_max Number of chars allowed on a line before wrapping * @return string * @link http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment */ public function encodeQP($string, $line_max = 76) { // Use native function if it's available (>= PHP5.3) if (function_exists('quoted_printable_encode')) { return quoted_printable_encode($string); } // Fall back to a pure PHP implementation $string = str_replace( array('%20', '%0D%0A.', '%0D%0A', '%'), array(' ', "\r\n=2E", "\r\n", '='), rawurlencode($string) ); return preg_replace('/[^\r\n]{' . ($line_max - 3) . '}[^=\r\n]{2}/', "$0=\r\n", $string); } /** * Backward compatibility wrapper for an old QP encoding function that was removed. * @see PHPMailer::encodeQP() * @access public * @param string $string * @param integer $line_max * @param boolean $space_conv * @return string * @deprecated Use encodeQP instead. */ public function encodeQPphp( $string, $line_max = 76, /** @noinspection PhpUnusedParameterInspection */ $space_conv = false ) { return $this->encodeQP($string, $line_max); } /** * Encode a string using Q encoding. * @link http://tools.ietf.org/html/rfc2047 * @param string $str the text to encode * @param string $position Where the text is going to be used, see the RFC for what that means * @access public * @return string */ public function encodeQ($str, $position = 'text') { // There should not be any EOL in the string $pattern = ''; $encoded = str_replace(array("\r", "\n"), '', $str); switch (strtolower($position)) { case 'phrase': // RFC 2047 section 5.3 $pattern = '^A-Za-z0-9!*+\/ -'; break; /** @noinspection PhpMissingBreakStatementInspection */ case 'comment': // RFC 2047 section 5.2 $pattern = '\(\)"'; // intentional fall-through // for this reason we build the $pattern without including delimiters and [] case 'text': default: // RFC 2047 section 5.1 // Replace every high ascii, control, =, ? and _ characters $pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377' . $pattern; break; } $matches = array(); if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) { // If the string contains an '=', make sure it's the first thing we replace // so as to avoid double-encoding $eqkey = array_search('=', $matches[0]); if (false !== $eqkey) { unset($matches[0][$eqkey]); array_unshift($matches[0], '='); } foreach (array_unique($matches[0]) as $char) { $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded); } } // Replace every spaces to _ (more readable than =20) return str_replace(' ', '_', $encoded); } /** * Add a string or binary attachment (non-filesystem). * This method can be used to attach ascii or binary data, * such as a BLOB record from a database. * @param string $string String attachment data. * @param string $filename Name of the attachment. * @param string $encoding File encoding (see $Encoding). * @param string $type File extension (MIME) type. * @param string $disposition Disposition to use * @return void */ public function addStringAttachment( $string, $filename, $encoding = 'base64', $type = '', $disposition = 'attachment' ) { // If a MIME type is not specified, try to work it out from the file name if ($type == '') { $type = self::filenameToType($filename); } // Append to $attachment array $this->attachment[] = array( 0 => $string, 1 => $filename, 2 => basename($filename), 3 => $encoding, 4 => $type, 5 => true, // isStringAttachment 6 => $disposition, 7 => 0 ); } /** * Add an embedded (inline) attachment from a file. * This can include images, sounds, and just about any other document type. * These differ from 'regular' attachments in that they are intended to be * displayed inline with the message, not just attached for download. * This is used in HTML messages that embed the images * the HTML refers to using the $cid value. * Never use a user-supplied path to a file! * @param string $path Path to the attachment. * @param string $cid Content ID of the attachment; Use this to reference * the content when using an embedded image in HTML. * @param string $name Overrides the attachment name. * @param string $encoding File encoding (see $Encoding). * @param string $type File MIME type. * @param string $disposition Disposition to use * @return boolean True on successfully adding an attachment */ public function addEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline') { if (!self::isPermittedPath($path) or !@is_file($path)) { $this->setError($this->lang('file_access') . $path); return false; } // If a MIME type is not specified, try to work it out from the file name if ($type == '') { $type = self::filenameToType($path); } $filename = basename($path); if ($name == '') { $name = $filename; } // Append to $attachment array $this->attachment[] = array( 0 => $path, 1 => $filename, 2 => $name, 3 => $encoding, 4 => $type, 5 => false, // isStringAttachment 6 => $disposition, 7 => $cid ); return true; } /** * Add an embedded stringified attachment. * This can include images, sounds, and just about any other document type. * Be sure to set the $type to an image type for images: * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'. * @param string $string The attachment binary data. * @param string $cid Content ID of the attachment; Use this to reference * the content when using an embedded image in HTML. * @param string $name * @param string $encoding File encoding (see $Encoding). * @param string $type MIME type. * @param string $disposition Disposition to use * @return boolean True on successfully adding an attachment */ public function addStringEmbeddedImage( $string, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline' ) { // If a MIME type is not specified, try to work it out from the name if ($type == '' and !empty($name)) { $type = self::filenameToType($name); } // Append to $attachment array $this->attachment[] = array( 0 => $string, 1 => $name, 2 => $name, 3 => $encoding, 4 => $type, 5 => true, // isStringAttachment 6 => $disposition, 7 => $cid ); return true; } /** * Check if an inline attachment is present. * @access public * @return boolean */ public function inlineImageExists() { foreach ($this->attachment as $attachment) { if ($attachment[6] == 'inline') { return true; } } return false; } /** * Check if an attachment (non-inline) is present. * @return boolean */ public function attachmentExists() { foreach ($this->attachment as $attachment) { if ($attachment[6] == 'attachment') { return true; } } return false; } /** * Check if this message has an alternative body set. * @return boolean */ public function alternativeExists() { return !empty($this->AltBody); } /** * Clear queued addresses of given kind. * @access protected * @param string $kind 'to', 'cc', or 'bcc' * @return void */ public function clearQueuedAddresses($kind) { $RecipientsQueue = $this->RecipientsQueue; foreach ($RecipientsQueue as $address => $params) { if ($params[0] == $kind) { unset($this->RecipientsQueue[$address]); } } } /** * Clear all To recipients. * @return void */ public function clearAddresses() { foreach ($this->to as $to) { unset($this->all_recipients[strtolower($to[0])]); } $this->to = array(); $this->clearQueuedAddresses('to'); } /** * Clear all CC recipients. * @return void */ public function clearCCs() { foreach ($this->cc as $cc) { unset($this->all_recipients[strtolower($cc[0])]); } $this->cc = array(); $this->clearQueuedAddresses('cc'); } /** * Clear all BCC recipients. * @return void */ public function clearBCCs() { foreach ($this->bcc as $bcc) { unset($this->all_recipients[strtolower($bcc[0])]); } $this->bcc = array(); $this->clearQueuedAddresses('bcc'); } /** * Clear all ReplyTo recipients. * @return void */ public function clearReplyTos() { $this->ReplyTo = array(); $this->ReplyToQueue = array(); } /** * Clear all recipient types. * @return void */ public function clearAllRecipients() { $this->to = array(); $this->cc = array(); $this->bcc = array(); $this->all_recipients = array(); $this->RecipientsQueue = 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 body from an HTML string. * Automatically inlines images and creates a plain-text version by converting the HTML, * overwriting any existing values in Body and AltBody. * Do not source $message content from user input! * $basedir is prepended when handling relative URLs, e.g. <img src="/images/a.png"> and must not be empty * will look for an image file in $basedir/images/a.png and convert it to inline. * If you don't provide a $basedir, relative paths will be left untouched (and thus probably break in email) * If you don't want to apply these transformations to your HTML, just set Body and AltBody directly. * @access public * @param string $message HTML message string * @param string $basedir Absolute path to a base directory to prepend to relative paths to images * @param boolean|callable $advanced Whether to use the internal HTML to text converter * or your own custom converter @see PHPMailer::html2text() * @return string $message The transformed message Body */ public function msgHTML($message, $basedir = '', $advanced = false) { preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images); if (array_key_exists(2, $images)) { if (strlen($basedir) > 1 && substr($basedir, -1) != '/') { // Ensure $basedir has a trailing / $basedir .= '/'; } foreach ($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, 'embed' . $imgindex, 'base64', $match[1])) { $message = str_replace( $images[0][$imgindex], $images[1][$imgindex] . '="cid:' . $cid . '"', $message ); } continue; } if ( // Only process relative URLs if a basedir is provided (i.e. no absolute local paths) !empty($basedir) // Ignore URLs containing parent dir traversal (..) && (strpos($url, '..') === false) // Do not change urls that are already inline images && substr($url, 0, 4) !== 'cid:' // Do not change absolute URLs, including anonymous protocol && !preg_match('#^[a-z][a-z0-9+.-]*:?//#i', $url) ) { $filename = basename($url); $directory = dirname($url); if ($directory == '.') { $directory = ''; } $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2 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, $advanced)); if (!$this->alternativeExists()) { $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', 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template', 'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template', 'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow', 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation', 'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide', 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template', 'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12', 'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12', '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 $signHeader * @throws phpmailerException * @return string The DKIM signature value */ public function DKIM_Sign($signHeader) { if (!defined('PKCS7_TEXT')) { if ($this->exceptions) { throw new phpmailerException($this->lang('extension_missing') . 'openssl'); } return ''; } $privKeyStr = !empty($this->DKIM_private_string) ? $this->DKIM_private_string : file_get_contents($this->DKIM_private); if ('' != $this->DKIM_passphrase) { $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase); } else { $privKey = openssl_pkey_get_private($privKeyStr); } //Workaround for missing digest algorithms in old PHP & OpenSSL versions //@link http://stackoverflow.com/a/11117338/333340 if (version_compare(PHP_VERSION, '5.3.0') >= 0 and in_array('sha256WithRSAEncryption', openssl_get_md_methods(true))) { if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) { openssl_pkey_free($privKey); return base64_encode($signature); } } else { $pinfo = openssl_pkey_get_details($privKey); $hash = hash('sha256', $signHeader); //'Magic' constant for SHA256 from RFC3447 //@link https://tools.ietf.org/html/rfc3447#page-43 $t = '3031300d060960864801650304020105000420' . $hash; $pslen = $pinfo['bits'] / 8 - (strlen($t) / 2 + 3); $eb = pack('H*', '0001' . str_repeat('FF', $pslen) . '00' . $t); if (openssl_private_encrypt($eb, $signature, $privKey, OPENSSL_NO_PADDING)) { openssl_pkey_free($privKey); return base64_encode($signature); } } openssl_pkey_free($privKey); 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{2,}/', ' ', $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-sha256'; // 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 = ''; $date_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; $current = 'to_header'; } elseif (strpos($header, 'Date:') === 0) { $date_header = $header; $current = 'date_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)); $date = str_replace('|', '=7C', $this->DKIM_QP($date_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*', hash('sha256', $body))); // Base64 of packed binary SHA-256 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:Date:Subject;\r\n" . "\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" . "\tz=$from\r\n" . "\t|$to\r\n" . "\t|$date\r\n" . "\t|$subject;\r\n" . "\tbh=" . $DKIMb64 . ";\r\n" . "\tb="; $toSign = $this->DKIM_HeaderC( $from_header . "\r\n" . $to_header . "\r\n" . $date_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. * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included. * @access public * @return array */ public function getToAddresses() { return $this->to; } /** * Allows for public read access to 'cc' property. * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included. * @access public * @return array */ public function getCcAddresses() { return $this->cc; } /** * Allows for public read access to 'bcc' property. * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included. * @access public * @return array */ public function getBccAddresses() { return $this->bcc; } /** * Allows for public read access to 'ReplyTo' property. * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included. * @access public * @return array */ public function getReplyToAddresses() { return $this->ReplyTo; } /** * Allows for public read access to 'all_recipients' property. * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included. * @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); } } } /** * PHPMailer exception handler * @package PHPMailer */ class phpmailerException extends Exception { /** * Prettify error message output * @return string */ public function errorMessage() { $errorMsg = '<strong>' . htmlspecialchars($this->getMessage()) . "</strong><br />\n"; return $errorMsg; } }