egroupware_official/api/src/Mailer.php

1197 lines
36 KiB
PHP

<?php
/**
* EGroupware API: Sending mail via Horde_Mime_Mail
*
* @link http://www.egroupware.org
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package api
* @subpackage mail
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @version $Id$
*/
namespace EGroupware\Api;
use Horde_Mime_Mail;
use Horde_Mime_Part;
use Horde_Mail_Rfc822_List;
use Horde_Mail_Exception;
use Horde_Mail_Transport;
use Horde_Mail_Transport_Null;
use Horde_Mime_Headers_MessageId;
use Horde_Text_Flowed;
use Horde_Stream;
use Horde_Stream_Wrapper_Combine;
use Horde_Mime_Headers;
use Horde_Mime_Headers_UserAgent;
use Horde_Mime_Headers_Date;
use Horde_Mime_Translation;
/**
* Sending mail via Horde_Mime_Mail
*
* Log mails to log file specified in $GLOBALS['egw_info']['server']['log_mail']
* or regular error_log for true (can be set either in DB or header.inc.php).
*/
class Mailer extends Horde_Mime_Mail
{
/**
* Mail account used for sending mail
*
* @var Mail\Account
*/
protected $account;
/**
* Header / recipients set via Add(Address|Cc|Bcc|Replyto)
*
* @var Horde_Mail_Rfc822_List
*/
protected $to;
protected $cc;
protected $bcc;
protected $replyto;
/**
* Translates between interal Horde_Mail_Rfc822_List attributes and header names
*
* @var array
*/
static $type2header = array(
'to' => 'To',
'cc' => 'Cc',
'bcc' => 'Bcc',
'replyto' => 'Reply-To',
);
/**
* Constructor: always throw exceptions instead of echoing errors and EGw pathes
*
* @param int|Mail\Account|boolean $account =null mail account to use, default use Mail\Account::get_default($smtp=true)
* false: no NOT initialise account and set other EGroupware specific headers, used to parse mails (not sending them!)
* initbasic: return $this
*/
function __construct($account=null)
{
// Horde use locale for translation of error messages
Preferences::setlocale(LC_MESSAGES);
parent::__construct();
if ($account === 'initbasic')
{
$this->_headers = new Horde_Mime_Headers();
$this->clearAllRecipients();
$this->clearReplyTos();
return;
}
if ($account !== false)
{
$this->_headers->setUserAgent('EGroupware API '.$GLOBALS['egw_info']['server']['versions']['api']);
$this->setAccount($account);
$this->is_html = false;
$this->clearAllRecipients();
$this->clearReplyTos();
$this->clearParts();
}
}
/**
* Clear all recipients: to, cc, bcc (but NOT reply-to!)
*/
function clearAllRecipients()
{
// clear all addresses
$this->clearAddresses();
$this->clearCCs();
$this->clearBCCs();
}
/**
* Set mail account to use for sending
*
* @param int|Mail\Account $account =null mail account to use, default use Mail\Account::get_default($smtp=true)
* @throws Exception\NotFound if account was not found (or not valid for current user)
*/
function setAccount($account=null)
{
if ($account instanceof Mail\Account)
{
$this->account = $account;
}
elseif ($account > 0)
{
$this->account = Mail\Account::read($account);
}
else
{
if (!($this->account = Mail\Account::get_default(true))) // true = need an SMTP (not just IMAP) account
{
throw new Exception\NotFound('SMTP: '.lang('Account not found!'));
}
}
try
{
$identity = Mail\Account::read_identity($this->account->ident_id, true, null, $this->account);
}
catch(Exception $e)
{
unset($e);
error_log(__METHOD__.__LINE__.' Could not read_identity for account:'.$account['acc_id'].' with IdentID:'.$account['ident_id']);
$identity['ident_email'] = $this->account->ident_email;
$identity['ident_realname'] = $this->account->ident_realname ? $this->account->ident_realname : $this->account->ident_email;
}
// use smpt-username as sender/return-path, if available, but only if it is a full email address
$sender = $this->account->acc_smtp_username && strpos($this->account->acc_smtp_username, '@') !== false ?
$this->account->acc_smtp_username : $identity['ident_email'];
$this->addHeader('Return-Path', '<'.$sender.'>', true);
$this->setFrom($identity['ident_email'], $identity['ident_realname']);
}
/**
* Set From header
*
* @param string $address
* @param string $personal =''
*/
public function setFrom($address, $personal='')
{
$this->addHeader('From', self::add_personal($address, $personal));
}
/**
* Add one or multiple addresses to To, Cc, Bcc or Reply-To
*
* @param string|array|Horde_Mail_Rfc822_List $address
* @param string $personal ='' only used if $address is a string
* @param string $type ='to' type of address to add "to", "cc", "bcc" or "replyto"
*/
function addAddress($address, $personal='', $type='to')
{
if (!isset(self::$type2header[$type]))
{
throw new Exception\WrongParameter("Unknown type '$type'!");
}
if ($personal) $address = self::add_personal ($address, $personal);
// add to our local list
$this->$type->add($address);
// add as header
$this->addHeader(self::$type2header[$type], $this->$type, true);
}
/**
* Remove all addresses from To, Cc, Bcc or Reply-To
*
* @param string $type ='to' type of address to add "to", "cc", "bcc" or "replyto"
*/
function clearAddresses($type='to')
{
$this->$type = new Horde_Mail_Rfc822_List();
$this->removeHeader(self::$type2header[$type]);
}
/**
* Get set to addressses
*
* @param string $type ='to' type of address to add "to", "cc", "bcc" or "replyto"
* @param boolean $return_array =false true: return array of string, false: Horde_Mail_Rfc822_List
* @return array|Horde_Mail_Rfc822_List supporting arrayAccess and Iterable
*/
function getAddresses($type='to', $return_array=false)
{
if ($return_array)
{
$addresses = array();
foreach($this->$type as $addr)
{
$addresses[] = (string)$addr;
}
return $addresses;
}
return $this->$type;
}
/**
* Write Bcc as header for storing in sent or as draft
*
* Bcc is normally only add to recipients while sending, but not added visible as header.
*
* This function is should only be called AFTER calling send, or when NOT calling send at all!
*/
function forceBccHeader()
{
$this->_headers->removeHeader('Bcc');
// only add Bcc header, if we have bcc's
if (count($this->bcc))
{
$this->_headers->addHeader('Bcc', $this->bcc);
}
}
/**
* Add personal part to email address
*
* @param string $address
* @param string $personal
* @return string Rfc822 address
*/
static function add_personal($address, $personal)
{
if (is_string($address) && !empty($personal))
{
//if (!preg_match('/^[!#$%&\'*+/0-9=?A-Z^_`a-z{|}~-]+$/u', $personal)) // that's how I read the rfc(2)822
if ($personal && !preg_match('/^[0-9A-Z -]*$/iu', $personal)) // but quoting is never wrong, so quote more then necessary
{
$personal = '"'.str_replace(array('\\', '"'),array('\\\\', '\\"'), $personal).'"';
}
$address = ($personal ? $personal.' <' : '').$address.($personal ? '>' : '');
}
return $address;
}
/**
* Add one or multiple addresses to Cc
*
* @param string|array|Horde_Mail_Rfc822_List $address
* @param string $personal ='' only used if $address is a string
*/
function addCc($address, $personal=null)
{
$this->addAddress($address, $personal, 'cc');
}
/**
* Clear all cc
*/
function clearCCs()
{
$this->clearAddresses('cc');
}
/**
* Add one or multiple addresses to Bcc
*
* @param string|array|Horde_Mail_Rfc822_List $address
* @param string $personal ='' only used if $address is a string
*/
function addBcc($address, $personal=null)
{
$this->addAddress($address, $personal, 'bcc');
}
/**
* Clear all bcc
*/
function clearBCCs()
{
$this->clearAddresses('bcc');
}
/**
* Add one or multiple addresses to Reply-To
*
* @param string|array|Horde_Mail_Rfc822_List $address
* @param string $personal ='' only used if $address is a string
*/
function addReplyTo($address, $personal=null)
{
$this->addAddress($address, $personal, 'replyto');
}
/**
* Clear all reply-to
*/
function clearReplyTos()
{
$this->clearAddresses('replyto');
}
/**
* Get set ReplyTo addressses
*
* @return Horde_Mail_Rfc822_List supporting arrayAccess and Iterable
*/
function getReplyTo()
{
return $this->replyto;
}
/**
* Adds an attachment
*
* "text/calendar; method=..." get automatic detected and added as highest priority alternative
*
* @param string|resource $data Path to the attachment or open file-descriptor
* @param string $name =null file name to use for the attachment
* @param string $type =null content type of the file, incl. parameters eg. "text/plain; charset=utf-8"
* @param string $old_type =null used to support phpMailer signature (deprecated)
* @return integer part-number
* @throws Exception\NotFound if $file could not be opened for reading
*/
public function addAttachment($data, $name = null, $type = null, $old_type=null)
{
// deprecated PHPMailer::AddAttachment($path, $name = '', $encoding = 'base64', $type = 'application/octet-stream') call
if ($type === 'base64')
{
$type = $old_type;
}
// pass file as resource to Horde_Mime_Part::setContent()
if (is_resource($data))
{
$resource = $data;
}
elseif (!($resource = fopen($data, 'r')))
{
throw new Exception\NotFound("File '$data' not found!");
}
if (empty($type) && !is_resource($data)) $type = Vfs::mime_content_type($data);
// set "text/calendar; method=*" as alternativ body
$matches = null;
if (preg_match('|^text/calendar; method=([^;]+)|i', $type, $matches))
{
$this->setAlternativBody($resource, $type, array('method' => $matches[1]), 'utf-8');
return;
}
$part = new Horde_Mime_Part();
$part->setType($type);
// set content-type parameters, which get ignored by setType
if (preg_match_all('/;\s*([^=]+)=([^;]*)/', $type, $matches))
{
foreach($matches[1] as $n => $label)
{
$part->setContentTypeParameter($label, $matches[2][$n]);
}
}
$part->setContents($resource);
// setting name, also sets content-disposition attachment (!), therefore we have to do it after "text/calendar; method=" handling
if ($name || !is_resource($data)) $part->setName(Vfs::basename($name ?: $data));
// this should not be necessary, because binary data get detected by mime-type,
// but at least Cyrus complains about NUL characters
if (substr($type, 0, 5) != 'text/') $part->setTransferEncoding('base64', array('send' => true));
$part->setDisposition('attachment');
return $this->addMimePart($part);
}
/**
* Adds an embedded image or other inline attachment
*
* @param string|resource $data Path to the attachment or open file-descriptor
* @param string $cid Content ID of the attachment. Use this to identify
* the Id for accessing the image in an HTML form.
* @param string $name Overrides the attachment name.
* @param string $type File extension (MIME) type.
* @return integer part-number
*/
public function addEmbeddedImage($data, $cid, $name = '', $type = 'application/octet-stream')
{
// deprecated PHPMailer::AddEmbeddedImage($path, $cid, $name='', $encoding='base64', $type='application/octet-stream') call
if ($type === 'base64' || func_num_args() == 5)
{
$type = func_get_arg(4);
}
$part_id = $this->addAttachment($data, $name, $type);
//error_log(__METHOD__."(".array2string($data).", '$cid', '$name', '$type') added with (temp.) part_id=$part_id");
$part = $this->_parts[$part_id];
$part->setDisposition('inline');
$part->setContentId($cid);
return $part_id;
}
/**
* Adds a string or binary attachment (non-filesystem) to the list.
*
* "text/calendar; method=..." get automatic detected and added as highest priority alternative,
* overwriting evtl. existing html body!
*
* @param string|resource $content String attachment data or open file descriptor
* @param string $filename Name of the attachment. We assume that this is NOT a path
* @param string $type File extension (MIME) type.
* @return int part-number
*/
public function addStringAttachment($content, $filename, $type = 'application/octet-stream')
{
// deprecated PHPMailer::AddStringAttachment($content, $filename = '', $encoding = 'base64', $type = 'application/octet-stream') call
if ($type === 'base64' || func_num_args() == 4)
{
$type = func_get_arg(3);
}
// set "text/calendar; method=*" as alternativ body
$matches = null;
if (preg_match('|^text/calendar; method=([^;]+)|i', $type, $matches))
{
$this->setAlternativBody($content, $type, array('method' => $matches[1]), 'utf-8');
return;
}
$part = new Horde_Mime_Part();
$part->setType($type);
$part->setCharset('utf-8');
$part->setContents($content);
// this should not be necessary, because binary data get detected by mime-type,
// but at least Cyrus complains about NUL characters
$part->setTransferEncoding('base64', array('send' => true));
$part->setName($filename);
$part->setDisposition('attachment');
return $this->addMimePart($part);
}
/**
* Highest/last alternativ body part.
*
* @var Horde_Mime_Part
*/
protected $_alternativBody;
/**
* Sets an alternativ body, eg. text/calendar has highest / last alternativ
*
* @param string|resource $content
* @param string $type eg. "text/calendar"
* @param array $parameters =array() eg. array('method' => 'REQUEST')
* @param string $charset =null default to $this->_charset="utf-8"
*/
function setAlternativBody($content, $type, $parameters=array(), $charset=null)
{
$this->_alternativBody = new Horde_Mime_Part();
$this->_alternativBody->setType($type);
foreach($parameters as $label => $data)
{
$this->_alternativBody->setContentTypeParameter($label, $data);
}
$this->_alternativBody->setCharset($charset ? $charset : $this->_charset);
$this->_alternativBody->setContents($content);
$this->_base = null;
}
/**
* Send mail, injecting mail transport from account
*
* Log mails to log file specified in $GLOBALS['egw_info']['server']['log_mail']
* or regular error_log for true (can be set either in DB or header.inc.php).
*
* @param Horde_Mail_Transport $transport =null using transport from mail-account
* specified in construct, or default one, if not specified
* @param boolean $resend =true allways true in EGroupware!
* @param boolean $flowed =null send message in flowed text format,
* default null used flowed by default for everything but multipart/encrypted,
* unless disabled in site configuration ("disable_rfc3676_flowed")
* * @param array $opts Additional options:
* <pre>
* - broken_rfc2231: (boolean) Attempt to work around non-RFC
* 2231-compliant MUAs by generating both a RFC
* 2047-like parameter name and also the correct RFC
* 2231 parameter (@since 2.5.0).
* DEFAULT: false
* - encode: (integer) The encoding to use. A mask of self::ENCODE_*
* values.
* DEFAULT: Auto-determined based on transport driver.
* </pre>
*
* @throws Exception\NotFound for no smtp account available
* @throws Horde_Mime_Exception
*/
function send($transport=null, $resend=true, $flowed=null, array $opts = array())
{
unset($resend); // parameter is not used, but required by function signature
if (!($message_id = $this->getHeader('Message-ID')) &&
class_exists('Horde_Mime_Headers_MessageId')) // since 2.5.0
{
$message_id = Horde_Mime_Headers_MessageId::create('EGroupware');
$this->addHeader('Message-ID', $message_id);
}
$body_sha1 = null; // skip sha1, it requires whole mail in memory, which we traing to avoid now
// Smime sign needs to be 7bit encoded to avoid any changes during the transportation
if ($this->_base && $this->_base->getMetadata('X-EGroupware-Smime-signed')) $opts['encode'] = Horde_Mime_Part::ENCODE_7BIT;
$mail_id = Hooks::process(array(
'location' => 'send_mail',
'subject' => $subject=$this->getHeader('Subject'),
'from' => $this->getHeader('Return-Path') ? $this->getHeader('Return-Path') : $this->getHeader('From'),
'to' => $to=$this->getAddresses('to', true),
'cc' => $cc=$this->getAddresses('cc', true),
'bcc' => $bcc=$this->getAddresses('bcc', true),
'body_sha1' => $body_sha1,
'message_id' => (string)$message_id,
), array(), true); // true = call all apps
// check if we are sending an html mail with inline images
if (!empty($this->_htmlBody) && count($this->_parts))
{
$related = null;
foreach($this->_parts as $n => $part)
{
if ($part->getDisposition() == 'inline' && $part->getContentId())
{
// we need to send a multipart/related with html-body as first part and inline images as further parts
if (!isset($related))
{
$related = new Horde_Mime_Part();
$related->setType('multipart/related');
$related[] = $this->_htmlBody;
$this->_htmlBody = $related;
}
$related[] = $part;
unset($this->_parts[$n]);
}
}
}
try {
// no flowed for encrypted messages
if (!isset($flowed)) $flowed = $this->_body && !in_array($this->_body->getType(), array('multipart/encrypted', 'multipart/signed'));
// check if flowed is disabled in mail site configuration
if (($config = Config::read('mail')) && !empty($config['disable_rfc3676_flowed']))
{
$flowed = false;
}
// handling of alternativ body
if (!empty($this->_alternativBody))
{
$body = new Horde_Mime_Part();
$body->setType('multipart/alternative');
if (!empty($this->_body))
{
// Send in flowed format.
if ($flowed)
{
$text_flowed = new Horde_Text_Flowed($this->_body->getContents(), $this->_body->getCharset());
$text_flowed->setDelSp(true);
$this->_body->setContentTypeParameter('format', 'flowed');
$this->_body->setContentTypeParameter('DelSp', 'Yes');
$this->_body->setContents($text_flowed->toFlowed());
}
$body[] = $this->_body;
}
if (!empty($this->_htmlBody))
{
$body[] = $this->_htmlBody;
unset($this->_htmlBody);
}
$body[] = $this->_alternativBody;
unset($this->_alternativBody);
$this->_body = $body;
$flowed = false;
}
$this->_send($transport ? $transport : $this->account->smtpTransport(), true, $flowed, $opts); // true: keep Message-ID
}
catch (\Exception $e) {
// in case of errors/exceptions call hook again with previous returned mail_id and error-message to log
Hooks::process(array(
'location' => 'send_mail',
'subject' => $subject,
'from' => $this->getHeader('Return-Path') ? $this->getHeader('Return-Path') : $this->getHeader('From'),
'to' => $to,
'cc' => $cc,
'bcc' => $bcc,
'body_sha1' => $body_sha1,
'message_id' => (string)$message_id,
'mail_id' => $mail_id,
'error' => $e->getMessage(),
), array(), true); // true = call all apps
}
// log mails to file specified in $GLOBALS['egw_info']['server']['log_mail'] or error_log for true
if (!empty($GLOBALS['egw_info']['server']['log_mail']))
{
$msg = $GLOBALS['egw_info']['server']['log_mail'] !== true ? date('Y-m-d H:i:s')."\n" : '';
$msg .= (!isset($e) ? 'Mail send' : 'Mail NOT send').
' to '.implode(', ', $to).' with subject: "'.$subject.'"';
$msg .= ' from instance '.$GLOBALS['egw_info']['user']['domain'].' and IP '.Session::getuser_ip();
$msg .= ' from user #'.$GLOBALS['egw_info']['user']['account_id'];
if ($GLOBALS['egw_info']['user']['account_id'] && class_exists(__NAMESPACE__.'\\Accounts',false))
{
$msg .= ' ('.Accounts::username($GLOBALS['egw_info']['user']['account_id']).')';
}
if (isset($e))
{
$msg .= $GLOBALS['egw_info']['server']['log_mail'] !== true ? "\n" : ': ';
$msg .= 'ERROR '.$e->getMessage();
}
$msg .= ' cc='.implode(', ', $cc).', bcc='.implode(', ', $bcc);
if ($GLOBALS['egw_info']['server']['log_mail'] !== true) $msg .= "\n\n";
error_log($msg,$GLOBALS['egw_info']['server']['log_mail'] === true ? 0 : 3,
$GLOBALS['egw_info']['server']['log_mail']);
}
// rethrow error
if (isset($e)) throw $e;
}
/**
* Sends this message.
*
* @param Mail $mailer A Mail object.
* @param boolean $resend If true, the message id and date are re-used;
* If false, they will be updated.
* @param boolean $flowed Send message in flowed text format.
* * @param array $opts Additional options:
* <pre>
* - broken_rfc2231: (boolean) Attempt to work around non-RFC
* 2231-compliant MUAs by generating both a RFC
* 2047-like parameter name and also the correct RFC
* 2231 parameter (@since 2.5.0).
* DEFAULT: false
* - encode: (integer) The encoding to use. A mask of self::ENCODE_*
* values.
* DEFAULT: Auto-determined based on transport driver.
* </pre>
*
*
* @throws Horde_Mime_Exception
*/
public function _send($mailer, $resend = false, $flowed = true, array $opts = array())
{
/* Add mandatory headers if missing. */
if (!$resend || !isset($this->_headers['Message-ID'])) {
$this->_headers->addHeaderOb(
Horde_Mime_Headers_MessageId::create()
);
}
if (!isset($this->_headers['User-Agent'])) {
$this->_headers->addHeaderOb(
Horde_Mime_Headers_UserAgent::create()
);
}
if (!$resend || !isset($this->_headers['Date'])) {
$this->_headers->addHeaderOb(Horde_Mime_Headers_Date::create());
}
if (isset($this->_base)) {
$basepart = $this->_base;
} else {
/* Send in flowed format. */
if ($flowed && !empty($this->_body)) {
$flowed = new Horde_Text_Flowed($this->_body->getContents(), $this->_body->getCharset());
$flowed->setDelSp(true);
$this->_body->setContentTypeParameter('format', 'flowed');
$this->_body->setContentTypeParameter('DelSp', 'Yes');
$this->_body->setContents($flowed->toFlowed());
}
/* Build mime message. */
$body = new Horde_Mime_Part();
if (!empty($this->_body) && !empty($this->_htmlBody)) {
$body->setType('multipart/alternative');
$this->_body->setDescription(Horde_Mime_Translation::t("Plaintext Version of Message"));
$body[] = $this->_body;
$this->_htmlBody->setDescription(Horde_Mime_Translation::t("HTML Version of Message"));
$body[] = $this->_htmlBody;
} elseif (!empty($this->_htmlBody)) {
$body = $this->_htmlBody;
} elseif (!empty($this->_body)) {
$body = $this->_body;
}
if (count($this->_parts)) {
$basepart = new Horde_Mime_Part();
$basepart->setType('multipart/mixed');
$basepart->isBasePart(true);
if ($body) {
$basepart[] = $body;
}
foreach ($this->_parts as $mime_part) {
$basepart[] = $mime_part;
}
} else {
$basepart = $body;
$basepart->isBasePart(true);
}
}
$basepart->setHeaderCharset($this->_charset);
/* Build recipients. */
$recipients = clone $this->_recipients;
foreach (array('to', 'cc') as $header) {
if ($h = $this->_headers[$header]) {
$recipients->add($h->getAddressList());
}
}
if (!empty($this->_bcc)) {
$recipients->add($this->_bcc);
}
/* Trick Horde_Mime_Part into re-generating the message headers. */
$this->_headers->removeHeader('MIME-Version');
/* Send message. */
$recipients->unique();
$basepart->send($recipients->writeAddress(), $this->_headers, $mailer, $opts);
/* Remember the basepart */
$this->_base = $basepart;
}
/**
* Reset all Settings to send multiple Messages
*/
function clearAll()
{
$this->__construct($this->account);
}
/**
* Get value of a header set with addHeader()
*
* @param string $header
* @return string|array
*/
function getHeader($header)
{
if(strtolower($header) === 'bcc') return $this->bcc->addresses;
return $this->_headers ? $this->_headers->getValue($header) : null;
}
/**
* Get the raw email data sent by this object.
*
* Reimplement to be able to call it for saveAsDraft by calling
* $this->send(new Horde_Mail_Transport_Null()),
* if no base-part is set, because send is not called before.
*
* @param boolean $stream If true, return a stream resource, otherwise
* @return stream|string The raw email data.
*/
function getRaw($stream=true)
{
try {
$this->getBasePart();
}
catch(Horde_Mail_Exception $e)
{
unset($e);
parent::send(new Horde_Mail_Transport_Null(), true); // true: keep Message-ID
}
// code copied from Horde_Mime_Mail::getRaw(), as there is no way to inject charset in
// _headers->toString(), which is required to encode headers containing non-ascii chars correct
if ($stream) {
// Smime sign needs to be 7bit encoded to avoid any changes
$encode = $this->_base && $this->_base->getMetadata('X-EGroupware-Smime-signed')?
Horde_Mime_Part::ENCODE_7BIT :
(Horde_Mime_Part::ENCODE_7BIT | Horde_Mime_Part::ENCODE_8BIT | Horde_Mime_Part::ENCODE_BINARY);
$hdr = new Horde_Stream();
$hdr->add($this->_headers->toString(array('charset' => 'utf-8', 'canonical' => true)), true);
return Horde_Stream_Wrapper_Combine::getStream(
array($hdr->stream,
$this->getBasePart()->toString(
array('stream' => true, 'canonical' => true, 'encode' => $encode))
)
);
}
return $this->_headers->toString(array('charset' => 'utf-8', 'canonical' => true)) .
$this->getBasePart()->toString(array('canonical' => true));
}
/**
* Convert charset of text-parts of message to utf-8. non static AND include Bcc
*
* @param string|resource $message
* @param boolean $stream =false return stream or string (default)
* @param string $charset ='utf-8' charset to convert to
* @param boolean &$converted =false on return if conversation was necessary
* @return string|stream
*/
function convertMessageTextParts($message, $stream=false, $charset='utf-8', &$converted=false)
{
$headers = Horde_Mime_Headers::parseHeaders($message);
$this->addHeaders($headers);
$base = Horde_Mime_Part::parseMessage($message);
foreach($headers->toArray(array('nowrap' => true)) as $header => $value)
{
foreach((array)$value as $val)
{
switch($header)
{
case 'Bcc':
case 'bcc':
//error_log(__METHOD__.__LINE__.':'.$header.'->'.$val);
$this->addBcc($val);
break;
}
}
}
foreach($base->partIterator() as $part)
{
if ($part->getPrimaryType()== 'text')
{
$charset = $part->getContentTypeParameter('charset');
if ($charset && $charset != 'utf-8')
{
$content = Translation::convert($part->toString(array(
'encode' => Horde_Mime_Part::ENCODE_BINARY, // otherwise we cant recode charset
)), $charset, 'utf-8');
$part->setContents($content, array(
'encode' => Horde_Mime_Part::ENCODE_BINARY, // $content is NOT encoded
));
$part->setContentTypeParameter('charset', 'utf-8');
if ($part === $base)
{
$this->addHeader('Content-Type', $part->getType(true));
// need to set Transfer-Encoding used by base-part, it always seems to be "quoted-printable"
$this->addHeader('Content-Transfer-Encoding', 'quoted-printable');
}
$converted = true;
}
}
elseif ($part->getType() == 'message/rfc822')
{
$mailerWithIn = new Mailer('initbasic');
$part->setContents($mailerWithIn->convertMessageTextParts($part->toString(), $stream, $charset, $converted));
}
}
if ($converted)
{
$this->setBasePart($base);
$this->forceBccHeader();
return $this->getRaw($stream);
}
return $message;
}
/**
* Convert charset of text-parts of message to utf-8
*
* @param string|resource $message
* @param boolean $stream =false return stream or string (default)
* @param string $charset ='utf-8' charset to convert to
* @param boolean &$converted =false on return if conversation was necessary
* @return string|stream
*/
static function convert($message, $stream=false, $charset='utf-8', &$converted=false)
{
$mailer = new Mailer(false); // false = no default headers and mail account
$mailer->addHeaders(Horde_Mime_Headers::parseHeaders($message));
$base = Horde_Mime_Part::parseMessage($message);
foreach($base->partIterator() as $part)
{
if ($part->getPrimaryType()== 'text')
{
$charset = $part->getContentTypeParameter('charset');
if ($charset && $charset != 'utf-8')
{
$content = Translation::convert($part->toString(array(
'encode' => Horde_Mime_Part::ENCODE_BINARY, // otherwise we cant recode charset
)), $charset, 'utf-8');
$part->setContents($content, array(
'encode' => Horde_Mime_Part::ENCODE_BINARY, // $content is NOT encoded
));
$part->setContentTypeParameter('charset', 'utf-8');
if ($part === $base)
{
$mailer->addHeader('Content-Type', $part->getType(true));
// need to set Transfer-Encoding used by base-part, it always seems to be "quoted-printable"
$mailer->addHeader('Content-Transfer-Encoding', 'quoted-printable');
}
$converted = true;
}
}
elseif ($part->getType() == 'message/rfc822')
{
$part->setContents(self::convert($part->toString(), $stream, $charset, $converted));
}
}
if ($converted)
{
$mailer->setBasePart($base);
return $mailer->getRaw($stream);
}
return $message;
}
/**
* Find body: 1. part with mimetype "text/$subtype"
*
* Use getContents() on non-null return-value to get string content
*
* @param string $subtype =null
* @return Horde_Mime_Part part with body or null
*/
function findBody($subtype=null)
{
try {
$base = $this->getBasePart();
if (!($part_id = $base->findBody($subtype))) return null;
return $base->getPart($part_id);
}
catch (Horde_Mail_Exception $e) {
unset($e);
return $subtype == 'html' ? $this->_htmlBody : $this->_body;
}
}
/**
* Parse base-part into _body, _htmlBody, _alternativBody and _parts to eg. add further attachments
*/
function parseBasePart()
{
try {
$base = $this->getBasePart();
$plain_id = $base->findBody('plain');
$html_id = $base->findBody('html');
// find further alternativ part
if ($base->getType() == 'multipart/alternativ' && count($base) !== ($html_id ? $html_id : $plain_id))
{
$alternativ_id = (string)count($base);
}
$this->_body = $this->_htmlBody = $this->_alternativBody = null;
$this->clearParts();
foreach($base->partIterator() as $part)
{
$id = $part->getMimeId();
//error_log(__METHOD__."() plain=$plain_id, html=$html_id: $id: ".$part->getType());
switch($id)
{
case '0': // base-part itself
continue 2;
case $plain_id:
$this->_body = $part;
break;
case $html_id:
$this->_htmlBody = $part;
break;
case $alternativ_id:
$this->_alternativBody = $part;
break;
default:
$this->_parts[] = $part;
}
}
$this->setBasePart(null);
}
catch (\Exception $e) {
// ignore that there is no base-part yet, so nothing to do
unset($e);
}
}
/**
* clearAttachments, does the same as parseBasePart, but does not add possible attachments
*/
function ClearAttachments()
{
try {
$base = $this->getBasePart();
$plain_id = $base->findBody('plain');
$html_id = $base->findBody('html');
// find further alternativ part
if ($base->getType() == 'multipart/alternativ' && count($base) !== ($html_id ? $html_id : $plain_id))
{
$alternativ_id = (string)count($base);
}
$this->_body = $this->_htmlBody = $this->_alternativBody = null;
$this->clearParts();
foreach($base->partIterator() as $part)
{
$id = $part->getMimeId();
//error_log(__METHOD__."() plain=$plain_id, html=$html_id: $id: ".$part->getType());
switch($id)
{
case '0': // base-part itself
continue 2;
case $plain_id:
$this->_body = $part;
break;
case $html_id:
$this->_htmlBody = $part;
break;
case $alternativ_id:
$this->_alternativBody = $part;
break;
default:
}
}
$this->setBasePart(null);
}
catch (\Exception $e) {
// ignore that there is no base-part yet, so nothing to do
unset($e);
}
}
/**
* Adds a MIME message part.
*
* Reimplemented to add parts / attachments if message was parsed / already has a base-part
*
* @param Horde_Mime_Part $part A Horde_Mime_Part object.
* @return integer The part number.
*/
public function addMimePart($part)
{
if ($this->_base) $this->parseBasePart();
return parent::addMimePart($part);
}
/**
* Sets OpenPGP encrypted body according to rfc3156, section 4
*
* @param string $body The message content.
* @link https://tools.ietf.org/html/rfc3156#section-4
*/
public function setOpenPgpBody($body)
{
$this->_body = new Horde_Mime_Part();
$this->_body->setType('multipart/encrypted');
$this->_body->setContentTypeParameter('protocol', 'application/pgp-encrypted');
$this->_body->setContents('');
$part1 = new Horde_Mime_Part();
$part1->setType('application/pgp-encrypted');
$part1->setContents("Version: 1\r\n", array('encoding' => '7bit'));
$this->_body->addPart($part1);
$part2 = new Horde_Mime_Part();
$part2->setType('application/octet-stream');
$part2->setContents($body, array('encoding' => '7bit'));
$this->_body->addPart($part2);
$this->_base = null;
}
/**
* Clear all non-standard headers
*
* Used in merge-print to remove headers before sending "new" mail
*/
function clearCustomHeaders()
{
foreach($this->_headers->toArray() as $header => $value)
{
if (stripos($header, 'x-') === 0 || $header == 'Received')
{
$this->_headers->removeHeader($header);
}
unset($value);
}
}
/**
* Method to do SMIME encryption
*
* @param string $type encryption type
* @param array $params parameters requirements for encryption
* base on encryption type.
* TYPE_SIGN:
* array (
* senderPubKey => // Sender Public key
* passphrase => // passphrase of sender private key
* senderPrivKey => // sender private key
* )
* TYPE_ENCRYPT:
* array (
* recipientsCerts => // Recipients Certificates
* )
* TYPE_SIGN_ENCRYPT:
* array (
* senderPubKey => // Sender Public key
* passphrase => // passphrase of sender private key
* senderPrivKey => // sender private key
* recipientsCerts => // Recipients Certificates
* )
* @return boolean returns true if successful and false if passphrase required
* @throws Exception\WrongUserinput if no certificate found
*/
function smimeEncrypt($type, $params)
{
try {
$this->getBasePart();
}
catch(Horde_Mail_Exception $e)
{
unset($e);
parent::send(new Horde_Mail_Transport_Null(), true); // true: keep Message-ID
$this->getBasePart();
}
//It is essential to remove content-type header as later on
//horde setHeaderOb would not replace it with correct one if
//there's something set.
$this->removeHeader('content-type');
$smime = new Mail\Smime();
if ($type == Mail\Smime::TYPE_SIGN || $type == Mail\Smime::TYPE_SIGN_ENCRYPT)
{
if (!isset($params['senderPubKey']))
{
throw new Exception\WrongUserinput('no certificate found to sign the messase');
}
if (Cache::getSession('mail', 'smime_passphrase')) $params['passphrase'] = Cache::getSession('mail', 'smime_passphrase');
if (!$smime->verifyPassphrase($params['senderPrivKey'], $params['passphrase']))
{
return false;
}
}
if (!isset($params['recipientsCerts']) && ($type == Mail\Smime::TYPE_ENCRYPT || $type == Mail\Smime::TYPE_SIGN_ENCRYPT))
{
throw new Exception\WrongUserinput('no certificate found from the recipients to sign/encrypt the messase');
}
// parameters to pass on for sign mime part
$sign_params = array(
'type' => 'signature',
'pubkey' => $params['senderPubKey'],
'privkey' => $params['senderPrivKey'],
'passphrase'=> $params['passphrase'],
'sigtype' => 'detach',
'certs' => $params['extracerts']
);
// parameters to pass on for encrypt mime part
$encrypt_params = array(
'type' => 'message',
'pubkey' => array_merge(
(array)($params['recipientsCerts'] ?? []),
array($this->account->acc_smime_username => $params['senderPubKey'])
)
);
switch ($type)
{
case Mail\Smime::TYPE_SIGN:
$this->_base = $smime->signMIMEPart($this->_base, $sign_params);
$this->_base->setMetadata('X-EGroupware-Smime-signed', true);
break;
case Mail\Smime::TYPE_ENCRYPT:
$this->_base = $smime->encryptMIMEPart($this->_base, $encrypt_params);
break;
case Mail\Smime::TYPE_SIGN_ENCRYPT:
$this->_base = $smime->signAndEncryptMIMEPart($this->_base, $sign_params, $encrypt_params);
break;
}
return true;
}
}