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roundcubemail/program/steps/mail/sendmail.inc

468 lines
16 KiB
PHP

<?php
/*
+-----------------------------------------------------------------------+
| program/steps/mail/sendmail.inc |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2005-2008, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Compose a new mail message with all headers and attachments |
| and send it using the PEAR::Net_SMTP class or with PHP mail() |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id$
*/
// remove all scripts and act as called in frame
$OUTPUT->reset();
$OUTPUT->framed = TRUE;
$savedraft = !empty($_POST['_draft']) ? TRUE : FALSE;
/****** checks ********/
if (!isset($_SESSION['compose']['id'])) {
raise_error(array('code' => 500, 'file' => __FILE__, 'message' => "Invalid compose ID"), true, false);
console("Sendmail error", $_SESSION['compose']);
$OUTPUT->show_message("An internal error occured. Please try again.", 'error');
$OUTPUT->send('iframe');
}
if (!$savedraft && empty($_POST['_to']) && empty($_POST['_cc']) && empty($_POST['_bcc']) && empty($_POST['_subject']) && $_POST['_message']) {
$OUTPUT->show_message('sendingfailed', 'error');
$OUTPUT->send('iframe');
}
if(!$savedraft && !empty($CONFIG['sendmail_delay'])) {
$wait_sec = time() - intval($CONFIG['sendmail_delay']) - intval($_SESSION['last_message_time']);
if($wait_sec < 0)
{
$OUTPUT->show_message('senttooquickly', 'error', array('sec' => $wait_sec * -1));
$OUTPUT->send('iframe');
}
}
/****** message sending functions ********/
// get identity record
function rcmail_get_identity($id)
{
global $USER, $OUTPUT;
if ($sql_arr = $USER->get_identity($id))
{
$out = $sql_arr;
$out['mailto'] = $sql_arr['email'];
$name = strpos($sql_arr['name'], ",") ? '"'.$sql_arr['name'].'"' : $sql_arr['name'];
$out['string'] = rcube_charset_convert($name, RCMAIL_CHARSET, $OUTPUT->get_charset());
if ($sql_arr['email'])
$out['string'] .= ' <' . $sql_arr['email'] . '>';
return $out;
}
return FALSE;
}
/**
* go from this:
* <img src=".../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" />
*
* to this:
*
* <IMG src="cid:smiley-cool.gif"/>
* ...
* ------part...
* Content-Type: image/gif
* Content-Transfer-Encoding: base64
* Content-ID: <smiley-cool.gif>
*/
function rcmail_attach_emoticons(&$mime_message)
{
global $CONFIG;
$htmlContents = $mime_message->getHtmlBody();
// remove any null-byte characters before parsing
$body = preg_replace('/\x00/', '', $htmlContents);
$last_img_pos = 0;
$searchstr = 'program/js/tiny_mce/plugins/emotions/img/';
// keep track of added images, so they're only added once
$included_images = array();
// find emoticon image tags
while ($pos = strpos($body, $searchstr, $last_img_pos))
{
$pos2 = strpos($body, '"', $pos);
$body_pre = substr($body, 0, $pos);
$image_name = substr($body,
$pos + strlen($searchstr),
$pos2 - ($pos + strlen($searchstr)));
// sanitize image name so resulting attachment doesn't leave images dir
$image_name = preg_replace('/[^a-zA-Z0-9_\.\-]/i','',$image_name);
$body_post = substr($body, $pos2);
if (! in_array($image_name, $included_images))
{
// add the image to the MIME message
$img_file = INSTALL_PATH . '/' . $searchstr . $image_name;
if(! $mime_message->addHTMLImage($img_file, 'image/gif', '', true, $image_name))
$OUTPUT->show_message("emoticonerror", 'error');
array_push($included_images, $image_name);
}
$body = $body_pre . $img_file . $body_post;
$last_img_pos = $pos2;
}
$mime_message->setHTMLBody($body);
}
/****** compose message ********/
if (strlen($_POST['_draft_saveid']) > 3)
$olddraftmessageid = get_input_value('_draft_saveid', RCUBE_INPUT_POST);
$message_id = sprintf('<%s@%s>', md5(uniqid('rcmail'.rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host']));
// set default charset
$input_charset = $OUTPUT->get_charset();
$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $input_charset;
$mailto_regexp = array('/[,;]\s*[\r\n]+/', '/[\r\n]+/', '/[,;]\s*$/m', '/;/');
$mailto_replace = array(', ', ', ', '', ',');
// replace new lines and strip ending ', '
$mailto = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_to', RCUBE_INPUT_POST, TRUE, $message_charset));
$mailcc = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_cc', RCUBE_INPUT_POST, TRUE, $message_charset));
$mailbcc = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset));
if (empty($mailto) && !empty($mailcc)) {
$mailto = $mailcc;
$mailcc = null;
}
else if (empty($mailto))
$mailto = 'undisclosed-recipients:;';
// get sender name and address
$from = get_input_value('_from', RCUBE_INPUT_POST);
$identity_arr = rcmail_get_identity($from);
if ($identity_arr)
$from = $identity_arr['mailto'];
if (empty($identity_arr['string']))
$identity_arr['string'] = $from;
// compose headers array
$headers = array('Date' => date('r'),
'From' => rcube_charset_convert($identity_arr['string'], RCMAIL_CHARSET, $message_charset),
'To' => $mailto);
// additional recipients
if (!empty($mailcc))
$headers['Cc'] = $mailcc;
if (!empty($mailbcc))
$headers['Bcc'] = $mailbcc;
if (!empty($identity_arr['bcc']))
$headers['Bcc'] = ($headers['Bcc'] ? $headers['Bcc'].', ' : '') . $identity_arr['bcc'];
// add subject
$headers['Subject'] = trim(get_input_value('_subject', RCUBE_INPUT_POST, FALSE, $message_charset));
if (!empty($identity_arr['organization']))
$headers['Organization'] = $identity_arr['organization'];
if (!empty($_POST['_replyto']))
$headers['Reply-To'] = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_replyto', RCUBE_INPUT_POST, TRUE, $message_charset));
else if (!empty($identity_arr['reply-to']))
$headers['Reply-To'] = $identity_arr['reply-to'];
if (!empty($_SESSION['compose']['reply_msgid']))
$headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];
if (!empty($_SESSION['compose']['references']))
$headers['References'] = $_SESSION['compose']['references'];
if (!empty($_POST['_priority']))
{
$priority = intval($_POST['_priority']);
$a_priorities = array(1=>'highest', 2=>'high', 4=>'low', 5=>'lowest');
if ($str_priority = $a_priorities[$priority])
$headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
}
if (!empty($_POST['_receipt']))
{
$headers['Return-Receipt-To'] = $identity_arr['string'];
$headers['Disposition-Notification-To'] = $identity_arr['string'];
}
// additional headers
if ($CONFIG['http_received_header'])
{
$nldlm = $RCMAIL->config->header_delimiter() . "\t";
$headers['Received'] = wordwrap('from ' . (isset($_SERVER['HTTP_X_FORWARDED_FOR']) ?
gethostbyaddr($_SERVER['HTTP_X_FORWARDED_FOR']).' ['.$_SERVER['HTTP_X_FORWARDED_FOR'].']'.$nldlm.' via ' : '') .
gethostbyaddr($_SERVER['REMOTE_ADDR']).' ['.$_SERVER['REMOTE_ADDR'].']'.$nldlm.'with ' .
$_SERVER['SERVER_PROTOCOL'].' ('.$_SERVER['REQUEST_METHOD'].'); ' . date('r'),
69, $nldlm);
}
$headers['Message-ID'] = $message_id;
$headers['X-Sender'] = $from;
if (!empty($CONFIG['useragent']))
$headers['User-Agent'] = $CONFIG['useragent'];
$isHtmlVal = strtolower(get_input_value('_is_html', RCUBE_INPUT_POST));
$isHtml = ($isHtmlVal == "1");
// fetch message body
$message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);
// remove signature's div ID
if (!$savedraft && $isHtml)
$message_body = preg_replace('/\s*id="_rc_sig"/', '', $message_body);
// append generic footer to all messages
if (!$savedraft && !empty($CONFIG['generic_message_footer']) && ($footer = file_get_contents(realpath($CONFIG['generic_message_footer']))))
$message_body .= "\r\n" . rcube_charset_convert($footer, 'UTF-8', $message_charset);
// create extended PEAR::Mail_mime instance
$MAIL_MIME = new rcube_mail_mime($RCMAIL->config->header_delimiter());
// For HTML-formatted messages, construct the MIME message with both
// the HTML part and the plain-text part
if ($isHtml)
{
$MAIL_MIME->setHTMLBody($message_body);
// add a plain text version of the e-mail as an alternative part.
$h2t = new html2text($message_body);
$plainTextPart = wordwrap($h2t->get_text(), 998, "\r\n", true);
if (!strlen($plainTextPart))
{
// empty message body breaks attachment handling in drafts
$plainTextPart = "\r\n";
}
$MAIL_MIME->setTXTBody(html_entity_decode($plainTextPart, ENT_COMPAT, 'utf-8'));
// look for "emoticon" images from TinyMCE and copy into message as attachments
rcmail_attach_emoticons($MAIL_MIME);
}
else
{
$message_body = wordwrap($message_body, 75, "\r\n");
$message_body = wordwrap($message_body, 998, "\r\n", true);
if (!strlen($message_body))
{
// empty message body breaks attachment handling in drafts
$message_body = "\r\n";
}
$MAIL_MIME->setTXTBody($message_body, FALSE, TRUE);
}
// chose transfer encoding
$charset_7bit = array('ASCII', 'ISO-2022-JP', 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-15');
$transfer_encoding = in_array(strtoupper($message_charset), $charset_7bit) ? '7bit' : '8bit';
// add stored attachments, if any
if (is_array($_SESSION['compose']['attachments']))
foreach ($_SESSION['compose']['attachments'] as $id => $attachment)
{
$dispurl = '/\ssrc\s*=\s*[\'"]?\S+display-attachment\S+file=rcmfile' . $id . '[\'"]?/';
$match = preg_match($dispurl, $message_body);
if ($isHtml && ($match > 0))
{
$message_body = preg_replace($dispurl, ' src="'.$attachment['name'].'"', $message_body);
$MAIL_MIME->setHTMLBody($message_body);
$MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name']);
}
else
{
$ctype = str_replace('image/pjpeg', 'image/jpeg', $attachment['mimetype']); // #1484914
// .eml attachments send inline
$MAIL_MIME->addAttachment($attachment['path'],
$ctype,
$attachment['name'], true,
($ctype == 'message/rfc822' ? $transfer_encoding : 'base64'),
($ctype == 'message/rfc822' ? 'inline' : 'attachment'),
$message_charset, '', '',
$CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL,
$CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL
);
}
}
// add submitted attachments
if (is_array($_FILES['_attachments']['tmp_name']))
foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath)
{
$ctype = $files['type'][$i];
$ctype = str_replace('image/pjpeg', 'image/jpeg', $ctype); // #1484914
$MAIL_MIME->addAttachment($filepath, $ctype, $files['name'][$i], true,
$ctype == 'message/rfc822' ? $transfer_encoding : 'base64',
'attachment', $message_charset, '', '',
$CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL,
$CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL
);
}
// encoding settings for mail composing
$MAIL_MIME->setParam(array(
'text_encoding' => $transfer_encoding,
'html_encoding' => 'quoted-printable',
'head_encoding' => 'quoted-printable',
'head_charset' => $message_charset,
'html_charset' => $message_charset,
'text_charset' => $message_charset,
));
// encoding subject header with mb_encode provides better results with asian characters
if (function_exists("mb_encode_mimeheader"))
{
mb_internal_encoding($message_charset);
$headers['Subject'] = mb_encode_mimeheader($headers['Subject'], $message_charset, 'Q');
mb_internal_encoding(RCMAIL_CHARSET);
}
// pass headers to message object
$MAIL_MIME->headers($headers);
// Begin SMTP Delivery Block
if (!$savedraft)
{
// check for 'From' address (identity may be incomplete)
if ($identity_arr && !$identity_arr['mailto']) {
$OUTPUT->show_message('nofromaddress', 'error');
$OUTPUT->send('iframe');
}
$sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto);
// return to compose page if sending failed
if (!$sent)
{
$OUTPUT->show_message("sendingfailed", 'error');
$OUTPUT->send('iframe');
}
// save message sent time
if (!empty($CONFIG['sendmail_delay']))
$_SESSION['last_message_time'] = time();
// set replied/forwarded flag
if ($_SESSION['compose']['reply_uid'])
$IMAP->set_flag($_SESSION['compose']['reply_uid'], 'ANSWERED');
else if ($_SESSION['compose']['forward_uid'])
$IMAP->set_flag($_SESSION['compose']['forward_uid'], 'FORWARDED');
} // End of SMTP Delivery Block
// Determine which folder to save message
if ($savedraft)
$store_target = $CONFIG['drafts_mbox'];
else
$store_target = isset($_POST['_store_target']) ? get_input_value('_store_target', RCUBE_INPUT_POST) : $CONFIG['sent_mbox'];
if ($store_target)
{
// check if mailbox exists
if (!in_array_nocase($store_target, $IMAP->list_mailboxes()))
{
// folder may be existing but not subscribed (#1485241)
if (!in_array_nocase($store_target, $IMAP->list_unsubscribed()))
$store_folder = $IMAP->create_mailbox($store_target, TRUE);
else if ($IMAP->subscribe($store_target))
$store_folder = TRUE;
}
else
$store_folder = TRUE;
// append message to sent box
if ($store_folder)
$saved = $IMAP->save_message($store_target, $MAIL_MIME->getMessage());
// raise error if saving failed
if (!$saved)
{
raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
'message' => "Could not save message in $store_target"), TRUE, FALSE);
if ($savedraft) {
$OUTPUT->show_message('errorsaving', 'error');
$OUTPUT->send('iframe');
}
}
if ($olddraftmessageid)
{
// delete previous saved draft
$a_deleteid = $IMAP->search($CONFIG['drafts_mbox'], 'HEADER Message-ID', $olddraftmessageid);
$deleted = $IMAP->delete_message($IMAP->get_uid($a_deleteid[0], $CONFIG['drafts_mbox']), $CONFIG['drafts_mbox']);
// raise error if deletion of old draft failed
if (!$deleted)
raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
}
}
if ($savedraft)
{
$msgid = strtr($message_id, array('>' => '', '<' => ''));
// remember new draft-uid
$draftids = $IMAP->search($CONFIG['drafts_mbox'], 'HEADER Message-ID', $msgid);
$_SESSION['compose']['param']['_draft_uid'] = $IMAP->get_uid($draftids[0], $CONFIG['drafts_mbox']);
// display success
$OUTPUT->show_message('messagesaved', 'confirmation');
// update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
$OUTPUT->command('set_draft_id', $msgid);
$OUTPUT->command('compose_field_hash', true);
// start the auto-save timer again
$OUTPUT->command('auto_save_start');
$OUTPUT->send('iframe');
}
else
{
rcmail_compose_cleanup();
if ($store_folder && !$saved)
$OUTPUT->command('sent_successfully', 'error', rcube_label('errorsavingsent'));
else
$OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent'));
$OUTPUT->send('iframe');
}
?>