drupal-civicrm/sites/all/modules/civicrm/CRM/Utils/Mail.php

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2018-01-14 15:10:16 +02:00
<?php
/*
+--------------------------------------------------------------------+
| CiviCRM version 4.7 |
+--------------------------------------------------------------------+
| Copyright CiviCRM LLC (c) 2004-2017 |
+--------------------------------------------------------------------+
| This file is a part of CiviCRM. |
| |
| CiviCRM is free software; you can copy, modify, and distribute it |
| under the terms of the GNU Affero General Public License |
| Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
| |
| CiviCRM is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the GNU Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public |
| License and the CiviCRM Licensing Exception along |
| with this program; if not, contact CiviCRM LLC |
| at info[AT]civicrm[DOT]org. If you have questions about the |
| GNU Affero General Public License or the licensing of CiviCRM, |
| see the CiviCRM license FAQ at http://civicrm.org/licensing |
+--------------------------------------------------------------------+
*/
/**
*
* @package CRM
* @copyright CiviCRM LLC (c) 2004-2017
*/
class CRM_Utils_Mail {
/**
* Create a new mailer to send any mail from the application.
*
* Note: The mailer is opened in persistent mode.
*
* Note: You probably don't want to call this directly. Get a reference
* to the mailer through the container.
*
* @return Mail
*/
public static function createMailer() {
$mailingInfo = Civi::settings()->get('mailing_backend');
if ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_REDIRECT_TO_DB ||
(defined('CIVICRM_MAILER_SPOOL') && CIVICRM_MAILER_SPOOL)
) {
$mailer = self::_createMailer('CRM_Mailing_BAO_Spool', array());
}
elseif ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_SMTP) {
if ($mailingInfo['smtpServer'] == '' || !$mailingInfo['smtpServer']) {
CRM_Core_Error::debug_log_message(ts('There is no valid smtp server setting. Click <a href=\'%1\'>Administer >> System Setting >> Outbound Email</a> to set the SMTP Server.', array(1 => CRM_Utils_System::url('civicrm/admin/setting/smtp', 'reset=1'))));
CRM_Core_Error::fatal(ts('There is no valid smtp server setting. Click <a href=\'%1\'>Administer >> System Setting >> Outbound Email</a> to set the SMTP Server.', array(1 => CRM_Utils_System::url('civicrm/admin/setting/smtp', 'reset=1'))));
}
$params['host'] = $mailingInfo['smtpServer'] ? $mailingInfo['smtpServer'] : 'localhost';
$params['port'] = $mailingInfo['smtpPort'] ? $mailingInfo['smtpPort'] : 25;
if ($mailingInfo['smtpAuth']) {
$params['username'] = $mailingInfo['smtpUsername'];
$params['password'] = CRM_Utils_Crypt::decrypt($mailingInfo['smtpPassword']);
$params['auth'] = TRUE;
}
else {
$params['auth'] = FALSE;
}
/*
* Set the localhost value, CRM-3153
* Use the host name of the web server, falling back to the base URL
* (eg when using the PHP CLI), and then falling back to localhost.
*/
$params['localhost'] = CRM_Utils_Array::value(
'SERVER_NAME',
$_SERVER,
CRM_Utils_Array::value(
'host',
parse_url(CIVICRM_UF_BASEURL),
'localhost'
)
);
// also set the timeout value, lets set it to 30 seconds
// CRM-7510
$params['timeout'] = 30;
// CRM-9349
$params['persist'] = TRUE;
$mailer = self::_createMailer('smtp', $params);
}
elseif ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_SENDMAIL) {
if ($mailingInfo['sendmail_path'] == '' ||
!$mailingInfo['sendmail_path']
) {
CRM_Core_Error::debug_log_message(ts('There is no valid sendmail path setting. Click <a href=\'%1\'>Administer >> System Setting >> Outbound Email</a> to set the sendmail server.', array(1 => CRM_Utils_System::url('civicrm/admin/setting/smtp', 'reset=1'))));
CRM_Core_Error::fatal(ts('There is no valid sendmail path setting. Click <a href=\'%1\'>Administer >> System Setting >> Outbound Email</a> to set the sendmail server.', array(1 => CRM_Utils_System::url('civicrm/admin/setting/smtp', 'reset=1'))));
}
$params['sendmail_path'] = $mailingInfo['sendmail_path'];
$params['sendmail_args'] = $mailingInfo['sendmail_args'];
$mailer = self::_createMailer('sendmail', $params);
}
elseif ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_MAIL) {
$mailer = self::_createMailer('mail', array());
}
elseif ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_MOCK) {
$mailer = self::_createMailer('mock', array());
}
elseif ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_DISABLED) {
CRM_Core_Error::debug_log_message(ts('Outbound mail has been disabled. Click <a href=\'%1\'>Administer >> System Setting >> Outbound Email</a> to set the OutBound Email.', array(1 => CRM_Utils_System::url('civicrm/admin/setting/smtp', 'reset=1'))));
CRM_Core_Error::statusBounce(ts('Outbound mail has been disabled. Click <a href=\'%1\'>Administer >> System Setting >> Outbound Email</a> to set the OutBound Email.', array(1 => CRM_Utils_System::url('civicrm/admin/setting/smtp', 'reset=1'))));
}
else {
CRM_Core_Error::debug_log_message(ts('There is no valid SMTP server Setting Or SendMail path setting. Click <a href=\'%1\'>Administer >> System Setting >> Outbound Email</a> to set the OutBound Email.', array(1 => CRM_Utils_System::url('civicrm/admin/setting/smtp', 'reset=1'))));
CRM_Core_Error::debug_var('mailing_info', $mailingInfo);
CRM_Core_Error::statusBounce(ts('There is no valid SMTP server Setting Or sendMail path setting. Click <a href=\'%1\'>Administer >> System Setting >> Outbound Email</a> to set the OutBound Email.', array(1 => CRM_Utils_System::url('civicrm/admin/setting/smtp', 'reset=1'))));
}
return $mailer;
}
/**
* Create a new instance of a PEAR Mail driver.
*
* @param string $driver
* 'CRM_Mailing_BAO_Spool' or a name suitable for Mail::factory().
* @param array $params
* @return object
* More specifically, a class which implements the "send()" function
*/
public static function _createMailer($driver, $params) {
if ($driver == 'CRM_Mailing_BAO_Spool') {
$mailer = new CRM_Mailing_BAO_Spool($params);
}
else {
$mailer = Mail::factory($driver, $params);
}
CRM_Utils_Hook::alterMailer($mailer, $driver, $params);
return $mailer;
}
/**
* Wrapper function to send mail in CiviCRM. Hooks are called from this function. The input parameter
* is an associateive array which holds the values of field needed to send an email. These are:
*
* from : complete from envelope
* toName : name of person to send email
* toEmail : email address to send to
* cc : email addresses to cc
* bcc : email addresses to bcc
* subject : subject of the email
* text : text of the message
* html : html version of the message
* replyTo : reply-to header in the email
* attachments: an associative array of
* fullPath : complete pathname to the file
* mime_type: mime type of the attachment
* cleanName: the user friendly name of the attachmment
*
* @param array $params
* (by reference).
*
* @return bool
* TRUE if a mail was sent, else FALSE.
*/
public static function send(&$params) {
$defaultReturnPath = CRM_Core_BAO_MailSettings::defaultReturnPath();
$includeMessageId = CRM_Core_BAO_MailSettings::includeMessageId();
$emailDomain = CRM_Core_BAO_MailSettings::defaultDomain();
$from = CRM_Utils_Array::value('from', $params);
if (!$defaultReturnPath) {
$defaultReturnPath = self::pluckEmailFromHeader($from);
}
// first call the mail alter hook
CRM_Utils_Hook::alterMailParams($params, 'singleEmail');
// check if any module has aborted mail sending
if (!empty($params['abortMailSend']) || empty($params['toEmail'])) {
return FALSE;
}
$textMessage = CRM_Utils_Array::value('text', $params);
$htmlMessage = CRM_Utils_Array::value('html', $params);
$attachments = CRM_Utils_Array::value('attachments', $params);
// CRM-6224
if (trim(CRM_Utils_String::htmlToText($htmlMessage)) == '') {
$htmlMessage = FALSE;
}
$headers = array();
// CRM-10699 support custom email headers
if (!empty($params['headers'])) {
$headers = array_merge($headers, $params['headers']);
}
$headers['From'] = $params['from'];
$headers['To'] = self::formatRFC822Email(
CRM_Utils_Array::value('toName', $params),
CRM_Utils_Array::value('toEmail', $params),
FALSE
);
$headers['Cc'] = CRM_Utils_Array::value('cc', $params);
$headers['Bcc'] = CRM_Utils_Array::value('bcc', $params);
$headers['Subject'] = CRM_Utils_Array::value('subject', $params);
$headers['Content-Type'] = $htmlMessage ? 'multipart/mixed; charset=utf-8' : 'text/plain; charset=utf-8';
$headers['Content-Disposition'] = 'inline';
$headers['Content-Transfer-Encoding'] = '8bit';
$headers['Return-Path'] = CRM_Utils_Array::value('returnPath', $params, $defaultReturnPath);
// CRM-11295: Omit reply-to headers if empty; this avoids issues with overzealous mailservers
$replyTo = CRM_Utils_Array::value('replyTo', $params, CRM_Utils_Array::value('from', $params));
if (!empty($replyTo)) {
$headers['Reply-To'] = $replyTo;
}
$headers['Date'] = date('r');
if ($includeMessageId) {
$headers['Message-ID'] = '<' . uniqid('civicrm_', TRUE) . "@$emailDomain>";
}
if (!empty($params['autoSubmitted'])) {
$headers['Auto-Submitted'] = "Auto-Generated";
}
// make sure we has to have space, CRM-6977
foreach (array('From', 'To', 'Cc', 'Bcc', 'Reply-To', 'Return-Path') as $fld) {
if (isset($headers[$fld])) {
$headers[$fld] = str_replace('"<', '" <', $headers[$fld]);
}
}
// quote FROM, if comma is detected AND is not already quoted. CRM-7053
if (strpos($headers['From'], ',') !== FALSE) {
$from = explode(' <', $headers['From']);
$headers['From'] = self::formatRFC822Email(
$from[0],
substr(trim($from[1]), 0, -1),
TRUE
);
}
require_once 'Mail/mime.php';
$msg = new Mail_mime("\n");
if ($textMessage) {
$msg->setTxtBody($textMessage);
}
if ($htmlMessage) {
$msg->setHTMLBody($htmlMessage);
}
if (!empty($attachments)) {
foreach ($attachments as $fileID => $attach) {
$msg->addAttachment(
$attach['fullPath'],
$attach['mime_type'],
$attach['cleanName']
);
}
}
$message = self::setMimeParams($msg);
$headers = &$msg->headers($headers);
$to = array($params['toEmail']);
$result = NULL;
$mailer = \Civi::service('pear_mail');
// CRM-3795, CRM-7355, CRM-7557, CRM-9058, CRM-9887, CRM-12883, CRM-19173 and others ...
// The PEAR library requires different parameters based on the mailer used:
// * Mail_mail requires the Cc/Bcc recipients listed ONLY in the $headers variable
// * All other mailers require that all be recipients be listed in the $to array AND that
// the Bcc must not be present in $header as otherwise it will be shown to all recipients
// ref: https://pear.php.net/bugs/bug.php?id=8047, full thread and answer [2011-04-19 20:48 UTC]
if (get_class($mailer) != "Mail_mail") {
// get emails from headers, since these are
// combination of name and email addresses.
if (!empty($headers['Cc'])) {
$to[] = CRM_Utils_Array::value('Cc', $headers);
}
if (!empty($headers['Bcc'])) {
$to[] = CRM_Utils_Array::value('Bcc', $headers);
unset($headers['Bcc']);
}
}
if (is_object($mailer)) {
$errorScope = CRM_Core_TemporaryErrorScope::ignoreException();
$result = $mailer->send($to, $headers, $message);
if (is_a($result, 'PEAR_Error')) {
$message = self::errorMessage($mailer, $result);
// append error message in case multiple calls are being made to
// this method in the course of sending a batch of messages.
CRM_Core_Session::setStatus($message, ts('Mailing Error'), 'error');
return FALSE;
}
// CRM-10699
CRM_Utils_Hook::postEmailSend($params);
return TRUE;
}
return FALSE;
}
/**
* @param $mailer
* @param $result
*
* @return string
*/
public static function errorMessage($mailer, $result) {
$message = '<p>' . ts('An error occurred when CiviCRM attempted to send an email (via %1). If you received this error after submitting on online contribution or event registration - the transaction was completed, but we were unable to send the email receipt.', array(
1 => 'SMTP',
)) . '</p>' . '<p>' . ts('The mail library returned the following error message:') . '<br /><span class="font-red"><strong>' . $result->getMessage() . '</strong></span></p>' . '<p>' . ts('This is probably related to a problem in your Outbound Email Settings (Administer CiviCRM &raquo; System Settings &raquo; Outbound Email), OR the FROM email address specifically configured for your contribution page or event. Possible causes are:') . '</p>';
if (is_a($mailer, 'Mail_smtp')) {
$message .= '<ul>' . '<li>' . ts('Your SMTP Username or Password are incorrect.') . '</li>' . '<li>' . ts('Your SMTP Server (machine) name is incorrect.') . '</li>' . '<li>' . ts('You need to use a Port other than the default port 25 in your environment.') . '</li>' . '<li>' . ts('Your SMTP server is just not responding right now (it is down for some reason).') . '</li>';
}
else {
$message .= '<ul>' . '<li>' . ts('Your Sendmail path is incorrect.') . '</li>' . '<li>' . ts('Your Sendmail argument is incorrect.') . '</li>';
}
$message .= '<li>' . ts('The FROM Email Address configured for this feature may not be a valid sender based on your email service provider rules.') . '</li>' . '</ul>' . '<p>' . ts('Check <a href="%1">this page</a> for more information.', array(
1 => CRM_Utils_System::docURL2('user/advanced-configuration/email-system-configuration', TRUE),
)) . '</p>';
return $message;
}
/**
* @param $to
* @param $headers
* @param $message
*/
public static function logger(&$to, &$headers, &$message) {
if (is_array($to)) {
$toString = implode(', ', $to);
$fileName = $to[0];
}
else {
$toString = $fileName = $to;
}
$content = "To: " . $toString . "\n";
foreach ($headers as $key => $val) {
$content .= "$key: $val\n";
}
$content .= "\n" . $message . "\n";
if (is_numeric(CIVICRM_MAIL_LOG)) {
$config = CRM_Core_Config::singleton();
// create the directory if not there
$dirName = $config->configAndLogDir . 'mail' . DIRECTORY_SEPARATOR;
CRM_Utils_File::createDir($dirName);
$fileName = md5(uniqid(CRM_Utils_String::munge($fileName))) . '.txt';
file_put_contents($dirName . $fileName,
$content
);
}
else {
file_put_contents(CIVICRM_MAIL_LOG, $content, FILE_APPEND);
}
}
/**
* Get the email address itself from a formatted full name + address string
*
* Ugly but working.
*
* @param string $header
* The full name + email address string.
*
* @return string
* the plucked email address
*/
public static function pluckEmailFromHeader($header) {
preg_match('/<([^<]*)>$/', $header, $matches);
if (isset($matches[1])) {
return $matches[1];
}
return NULL;
}
/**
* Get the Active outBound email.
*
* @return bool
* TRUE if valid outBound email configuration found, false otherwise.
*/
public static function validOutBoundMail() {
$mailingInfo = Civi::settings()->get('mailing_backend');
if ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_MAIL) {
return TRUE;
}
elseif ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_SMTP) {
if (!isset($mailingInfo['smtpServer']) || $mailingInfo['smtpServer'] == '' ||
$mailingInfo['smtpServer'] == 'YOUR SMTP SERVER' ||
($mailingInfo['smtpAuth'] && ($mailingInfo['smtpUsername'] == '' || $mailingInfo['smtpPassword'] == ''))
) {
return FALSE;
}
return TRUE;
}
elseif ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_SENDMAIL) {
if (!$mailingInfo['sendmail_path'] || !$mailingInfo['sendmail_args']) {
return FALSE;
}
return TRUE;
}
elseif ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_REDIRECT_TO_DB) {
return TRUE;
}
return FALSE;
}
/**
* @param $message
* @param array $params
*
* @return mixed
*/
public static function &setMimeParams(&$message, $params = NULL) {
static $mimeParams = NULL;
if (!$params) {
if (!$mimeParams) {
$mimeParams = array(
'text_encoding' => '8bit',
'html_encoding' => '8bit',
'head_charset' => 'utf-8',
'text_charset' => 'utf-8',
'html_charset' => 'utf-8',
);
}
$params = $mimeParams;
}
return $message->get($params);
}
/**
* @param string $name
* @param $email
* @param bool $useQuote
*
* @return null|string
*/
public static function formatRFC822Email($name, $email, $useQuote = FALSE) {
$result = NULL;
$name = trim($name);
// strip out double quotes if present at the beginning AND end
if (substr($name, 0, 1) == '"' &&
substr($name, -1, 1) == '"'
) {
$name = substr($name, 1, -1);
}
if (!empty($name)) {
// escape the special characters
$name = str_replace(array('<', '"', '>'),
array('\<', '\"', '\>'),
$name
);
if (strpos($name, ',') !== FALSE ||
$useQuote
) {
// quote the string if it has a comma
$name = '"' . $name . '"';
}
$result = "$name ";
}
$result .= "<{$email}>";
return $result;
}
/**
* Takes a string and checks to see if it needs to be escaped / double quoted
* and if so does the needful and return the formatted name
*
* This code has been copied and adapted from ezc/Mail/src/tools.php
*
* @param string $name
*
* @return string
*/
public static function formatRFC2822Name($name) {
$name = trim($name);
if (!empty($name)) {
// remove the quotes around the name part if they are already there
if (substr($name, 0, 1) == '"' && substr($name, -1) == '"') {
$name = substr($name, 1, -1);
}
// add slashes to " and \ and surround the name part with quotes
if (strpbrk($name, ",@<>:;'\"") !== FALSE) {
$name = '"' . addcslashes($name, '\\"') . '"';
}
}
return $name;
}
/**
* @param string $fileName
* @param string $html
* @param string $format
*
* @return array
*/
public static function appendPDF($fileName, $html, $format = NULL) {
$pdf_filename = CRM_Core_Config::singleton()->templateCompileDir . CRM_Utils_File::makeFileName($fileName);
// FIXME : CRM-7894
// xmlns attribute is required in XHTML but it is invalid in HTML,
// Also the namespace "xmlns=http://www.w3.org/1999/xhtml" is default,
// and will be added to the <html> tag even if you do not include it.
$html = preg_replace('/(<html)(.+?xmlns=["\'].[^\s]+["\'])(.+)?(>)/', '\1\3\4', $html);
file_put_contents($pdf_filename, CRM_Utils_PDF_Utils::html2pdf($html,
$fileName,
TRUE,
$format)
);
return array(
'fullPath' => $pdf_filename,
'mime_type' => 'application/pdf',
'cleanName' => $fileName,
);
}
}