| +-----------------------------------------------------------------------+ $Id$ */ // 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, 'type' => 'smtp', 'file' => __FILE__, 'line' => __LINE__, 'message' => "Invalid compose ID"), true, false); $OUTPUT->show_message("An internal error occured. Please try again.", 'error'); $OUTPUT->send('iframe'); } if (!$savedraft) { if (empty($_POST['_to']) && empty($_POST['_cc']) && empty($_POST['_bcc']) && empty($_POST['_subject']) && $_POST['_message']) { $OUTPUT->show_message('sendingfailed', 'error'); $OUTPUT->send('iframe'); } if(!empty($CONFIG['sendmail_delay'])) { $wait_sec = time() - intval($CONFIG['sendmail_delay']) - intval($CONFIG['last_message_time']); if($wait_sec < 0) { $OUTPUT->show_message('senttooquickly', 'error', array('sec' => $wait_sec * -1)); $OUTPUT->send('iframe'); } } } /****** message sending functions ********/ // encrypt parts of the header function rcmail_encrypt_header($what) { global $CONFIG, $RCMAIL; if (!$CONFIG['http_received_header_encrypt']) { return $what; } return $RCMAIL->encrypt($what); } // 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']; // Special chars as defined by RFC 822 need to in quoted string (or escaped). if (preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $sql_arr['name'])) $name = '"' . addcslashes($sql_arr['name'], '"') . '"'; else $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 $out; } return FALSE; } /** * go from this: * Cool * * to this: * * * ... * ------part... * Content-Type: image/gif * Content-Transfer-Encoding: base64 * Content-ID: */ function rcmail_attach_emoticons(&$mime_message) { global $CONFIG; $body = $mime_message->getHTMLBody(); // remove any null-byte characters before parsing $body = preg_replace('/\x00/', '', $body); $searchstr = 'program/js/tiny_mce/plugins/emotions/img/'; $offset = 0; // keep track of added images, so they're only added once $included_images = array(); if (preg_match_all('# src=[\'"]([^\'"]+)#', $body, $matches, PREG_OFFSET_CAPTURE)) { foreach ($matches[1] as $m) { // find emoticon image tags if (preg_match('#'.$searchstr.'(.*)$#', $m[0], $imatches)) { $image_name = $imatches[1]; // sanitize image name so resulting attachment doesn't leave images dir $image_name = preg_replace('/[^a-zA-Z0-9_\.\-]/i', '', $image_name); $img_file = INSTALL_PATH . '/' . $searchstr . $image_name; if (! in_array($image_name, $included_images)) { // add the image to the MIME message if (! $mime_message->addHTMLImage($img_file, 'image/gif', '', true, $image_name)) $OUTPUT->show_message("emoticonerror", 'error'); array_push($included_images, $image_name); } $body = substr_replace($body, $img_file, $m[1] + $offset, strlen($m[0])); $offset += strlen($img_file) - strlen($m[0]); } } } $mime_message->setHTMLBody($body); return $body; } // parse email address input (and count addresses) function rcmail_email_input_format($mailto, $count=false) { global $EMAIL_FORMAT_ERROR, $RECIPIENT_COUNT; $regexp = array('/[,;]\s*[\r\n]+/', '/[\r\n]+/', '/[,;]\s*$/m', '/;/', '/(\S{1})(<\S+@\S+>)/U'); $replace = array(', ', ', ', '', ',', '\\1 \\2'); // replace new lines and strip ending ', ', make address input more valid $mailto = trim(preg_replace($regexp, $replace, $mailto)); $result = array(); $items = rcube_explode_quoted_string(',', $mailto); foreach($items as $item) { $item = trim($item); // address in brackets without name (do nothing) if (preg_match('/^<\S+@\S+>$/', $item)) { $result[] = $item; // address without brackets and without name (add brackets) } else if (preg_match('/^\S+@\S+$/', $item)) { $result[] = '<'.$item.'>'; // address with name (handle name) } else if (preg_match('/\S+@\S+>*$/', $item, $matches)) { $address = $matches[0]; $name = str_replace($address, '', $item); $name = trim($name); if ($name && ($name[0] != '"' || $name[strlen($name)-1] != '"') && preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name)) { $name = '"'.addcslashes($name, '"').'"'; } if (!preg_match('/^<\S+@\S+>$/', $address)) $address = '<'.$address.'>'; $result[] = $name.' '.$address; $item = $address; } else if (trim($item)) { continue; } // check address format $item = trim($item, '<>'); if ($item && !check_email($item)) { $EMAIL_FORMAT_ERROR = $item; return; } } if ($count) { $RECIPIENT_COUNT += count($result); } return implode(', ', $result); } /****** compose message ********/ if (strlen($_POST['_draft_saveid']) > 3) $olddraftmessageid = get_input_value('_draft_saveid', RCUBE_INPUT_POST); $message_id = sprintf('<%s@%s>', md5(uniqid('rcmail'.mt_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; $EMAIL_FORMAT_ERROR = NULL; $RECIPIENT_COUNT = 0; $mailto = rcmail_email_input_format(get_input_value('_to', RCUBE_INPUT_POST, TRUE, $message_charset), true); $mailcc = rcmail_email_input_format(get_input_value('_cc', RCUBE_INPUT_POST, TRUE, $message_charset), true); $mailbcc = rcmail_email_input_format(get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset), true); if ($EMAIL_FORMAT_ERROR) { $OUTPUT->show_message('emailformaterror', 'error', array('email' => $EMAIL_FORMAT_ERROR)); $OUTPUT->send('iframe'); } if (empty($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, true, $message_charset); $identity_arr = rcmail_get_identity($from); if (!$identity_arr && ($from = rcmail_email_input_format($from))) { if (preg_match('/(\S+@\S+)/', $from, $m)) $identity_arr['mailto'] = $m[1]; } else $from = $identity_arr['mailto']; if (empty($identity_arr['string'])) $identity_arr['string'] = $from; // compose headers array $headers = array(); // if configured, the Received headers goes to top, for good measure if ($CONFIG['http_received_header']) { $nldlm = $RCMAIL->config->header_delimiter() . "\t"; // FROM/VIA $http_header = 'from '; if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $host = $_SERVER['HTTP_X_FORWARDED_FOR']; $hostname = gethostbyaddr($host); if ($CONFIG['http_received_header_encrypt']) { $http_header .= rcmail_encrypt_header($hostname); if ($host != $hostname) $http_header .= ' ('. rcmail_encrypt_header($host) . ')'; } else { $http_header .= (($host != $hostname) ? $hostname : '[' . $host . ']'); if ($host != $hostname) $http_header .= ' (['. $host .'])'; } $http_header .= $nldlm . ' via '; } $host = $_SERVER['REMOTE_ADDR']; $hostname = gethostbyaddr($host); if ($CONFIG['http_received_header_encrypt']) { $http_header .= rcmail_encrypt_header($hostname); if ($host != $hostname) $http_header .= ' ('. rcmail_encrypt_header($host) . ')'; } else { $http_header .= (($host != $hostname) ? $hostname : '[' . $host . ']'); if ($host != $hostname) $http_header .= ' (['. $host .'])'; } // BY $http_header .= $nldlm . 'by ' . $_SERVER['HTTP_HOST']; // WITH $http_header .= $nldlm . 'with HTTP (' . $_SERVER['SERVER_PROTOCOL'] . ' '.$_SERVER['REQUEST_METHOD'] . '); ' . date('r'); $http_header = wordwrap($http_header, 69, $nldlm); $headers['Received'] = $http_header; } $headers['Date'] = date('r'); $headers['From'] = rcube_charset_convert($identity_arr['string'], RCMAIL_CHARSET, $message_charset); $headers['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']; $RECIPIENT_COUNT ++; } if (($max_recipients = (int) $RCMAIL->config->get('max_recipients')) > 0) { if ($RECIPIENT_COUNT > $max_recipients) { $OUTPUT->show_message('toomanyrecipients', 'error', array('max' => $max_recipients)); $OUTPUT->send('iframe'); } } // add subject $headers['Subject'] = trim(get_input_value('_subject', RCUBE_INPUT_POST, TRUE, $message_charset)); if (!empty($identity_arr['organization'])) $headers['Organization'] = $identity_arr['organization']; if (!empty($_POST['_replyto'])) $headers['Reply-To'] = rcmail_email_input_format(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'] = $_SESSION['compose']['reply_msgid']; // remember reply/forward UIDs in special headers if (!empty($_SESSION['compose']['reply_uid']) && $savedraft) $headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $_SESSION['compose']['reply_uid']); else if (!empty($_SESSION['compose']['forward_uid']) && $savedraft) $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $_SESSION['compose']['forward_uid']); if (!empty($_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 $headers['Message-ID'] = $message_id; $headers['X-Sender'] = $from; if (is_array($headers['X-Draft-Info'])) $headers['X-Draft-Info'] = rcmail_draftinfo_encode($headers['X-Draft-Info'] + array('folder' => $_SESSION['compose']['mailbox'])); if (!empty($CONFIG['useragent'])) $headers['User-Agent'] = $CONFIG['useragent']; // exec hook for header checking and manipulation $data = $RCMAIL->plugins->exec_hook('outgoing_message_headers', array('headers' => $headers)); // sending aborted by plugin if ($data['abort'] && !$savedraft) { $OUTPUT->show_message($data['message'] ? $data['message'] : 'sendingfailed'); $OUTPUT->send('iframe'); } else $headers = $data['headers']; $isHtml = (bool) get_input_value('_is_html', RCUBE_INPUT_POST); // fetch message body $message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset); if (!$savedraft) { if ($isHtml) { // remove signature's div ID $message_body = preg_replace('/\s*id="_rc_sig"/', '', $message_body); // add inline css for blockquotes $bstyle = 'padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px; width:100%'; $message_body = preg_replace('/
/', '
', $message_body); } // generic footer for all messages if (!empty($CONFIG['generic_message_footer'])) { $footer = file_get_contents(realpath($CONFIG['generic_message_footer'])); $footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset); } } // set line length for body wrapping $LINE_LENGTH = $RCMAIL->config->get('line_length', 75); // Since we can handle big messages with disk usage, we need more time to work @set_time_limit(0); // create PEAR::Mail_mime instance $MAIL_MIME = new Mail_mime($RCMAIL->config->header_delimiter()); // Check if we have enough memory to handle the message in it // It's faster than using files, so we'll do this if we only can if (is_array($_SESSION['compose']['attachments']) && $CONFIG['smtp_server'] && ($mem_limit = parse_bytes(ini_get('memory_limit')))) { $memory = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB foreach ($_SESSION['compose']['attachments'] as $id => $attachment) $memory += $attachment['size']; // Yeah, Net_SMTP needs up to 12x more memory, 1.33 is for base64 if ($memory * 1.33 * 12 > $mem_limit) $MAIL_MIME->setParam('delay_file_io', true); } // For HTML-formatted messages, construct the MIME message with both // the HTML part and the plain-text part if ($isHtml) { $plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body', array('body' => $message_body, 'type' => 'html', 'message' => $MAIL_MIME)); $MAIL_MIME->setHTMLBody($plugin['body'] . ($footer ? "\r\n
".$footer.'
' : '')); // add a plain text version of the e-mail as an alternative part. $h2t = new html2text($plugin['body'], false, true, 0); $plainTextPart = rc_wordwrap($h2t->get_text(), $LINE_LENGTH, "\r\n") . ($footer ? "\r\n".$footer : ''); $plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true); if (!strlen($plainTextPart)) { // empty message body breaks attachment handling in drafts $plainTextPart = "\r\n"; } $plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body', array('body' => $plainTextPart, 'type' => 'alternative', 'message' => $MAIL_MIME)); $MAIL_MIME->setTXTBody($plugin['body']); // look for "emoticon" images from TinyMCE and copy into message as attachments $message_body = rcmail_attach_emoticons($MAIL_MIME); } else { $message_body = rc_wordwrap($message_body, $LINE_LENGTH, "\r\n"); if ($footer) $message_body .= "\r\n" . $footer; $message_body = wordwrap($message_body, 998, "\r\n", true); if (!strlen($message_body)) { // empty message body breaks attachment handling in drafts $message_body = "\r\n"; } $plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body', array('body' => $message_body, 'type' => 'plain', 'message' => $MAIL_MIME)); $MAIL_MIME->setTXTBody($plugin['body'], false, true); } // add stored attachments, if any if (is_array($_SESSION['compose']['attachments'])) { foreach ($_SESSION['compose']['attachments'] as $id => $attachment) { // This hook retrieves the attachment contents from the file storage backend $attachment = $RCMAIL->plugins->exec_hook('get_attachment', $attachment); $dispurl = '/\ssrc\s*=\s*[\'"]*\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\s\'"]\s*/'; $message_body = $MAIL_MIME->getHTMLBody(); if ($isHtml && (preg_match($dispurl, $message_body) > 0)) { $message_body = preg_replace($dispurl, ' src="'.$attachment['name'].'" ', $message_body); $MAIL_MIME->setHTMLBody($message_body); if ($attachment['data']) $MAIL_MIME->addHTMLImage($attachment['data'], $attachment['mimetype'], $attachment['name'], false); else $MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name'], true); } else { $ctype = str_replace('image/pjpeg', 'image/jpeg', $attachment['mimetype']); // #1484914 $file = $attachment['data'] ? $attachment['data'] : $attachment['path']; // .eml attachments send inline $MAIL_MIME->addAttachment($file, $ctype, $attachment['name'], ($attachment['data'] ? false : true), // @TODO: quoted-printable for message/rfc822 is safe, // but we should check that 7bit or 8bit is possible here ($ctype == 'message/rfc822' ? 'quoted-printable' : 'base64'), ($ctype == 'message/rfc822' ? 'inline' : 'attachment'), $message_charset, '', '', $CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL, $CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL ); } } } // choose transfer encoding for plain/text body if (preg_match('/[^\x00-\x7F]/', $MAIL_MIME->getTXTBody())) $transfer_encoding = $RCMAIL->config->get('force_7bit') ? 'quoted-printable' : '8bit'; else $transfer_encoding = '7bit'; // encoding settings for mail composing $MAIL_MIME->setParam('text_encoding', $transfer_encoding); $MAIL_MIME->setParam('html_encoding', 'quoted-printable'); $MAIL_MIME->setParam('head_encoding', 'quoted-printable'); $MAIL_MIME->setParam('head_charset', $message_charset); $MAIL_MIME->setParam('html_charset', $message_charset); $MAIL_MIME->setParam('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', $RCMAIL->config->header_delimiter(), 8); 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, $smtp_error, $mailbody_file); // return to compose page if sending failed if (!$sent) { // remove temp file if ($mailbody_file) { unlink($mailbody_file); } if ($smtp_error) $OUTPUT->show_message($smtp_error['label'], 'error', $smtp_error['vars']); else $OUTPUT->show_message('sendingfailed', 'error'); $OUTPUT->send('iframe'); } // save message sent time if (!empty($CONFIG['sendmail_delay'])) $RCMAIL->user->save_prefs(array('last_message_time' => time())); // set replied/forwarded flag if ($_SESSION['compose']['reply_uid']) $IMAP->set_flag($_SESSION['compose']['reply_uid'], 'ANSWERED', $_SESSION['compose']['mailbox']); else if ($_SESSION['compose']['forward_uid']) $IMAP->set_flag($_SESSION['compose']['forward_uid'], 'FORWARDED', $_SESSION['compose']['mailbox']); } // End of SMTP Delivery Block // Determine which folder to save message if ($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 folder is subscribed if ($IMAP->mailbox_exists($store_target, true)) $store_folder = true; // folder may be existing but not subscribed (#1485241) else if (!$IMAP->mailbox_exists($store_target)) $store_folder = $IMAP->create_mailbox($store_target, true); else if ($IMAP->subscribe($store_target)) $store_folder = true; // append message to sent box if ($store_folder) { // message body in file if ($mailbody_file || $MAIL_MIME->getParam('delay_file_io')) { $headers = $MAIL_MIME->txtHeaders(); // file already created if ($mailbody_file) $msg = $mailbody_file; else { $temp_dir = $RCMAIL->config->get('temp_dir'); $mailbody_file = tempnam($temp_dir, 'rcmMsg'); if (!PEAR::isError($msg = $MAIL_MIME->saveMessageBody($mailbody_file))) $msg = $mailbody_file; } } else { $msg = $MAIL_MIME->getMessage(); $headers = ''; } if (PEAR::isError($msg)) raise_error(array('code' => 600, 'type' => 'php', 'file' => __FILE__, 'line' => __LINE__, 'message' => "Could not create message: ".$msg->getMessage()), TRUE, FALSE); else { $saved = $IMAP->save_message($store_target, $msg, $headers, $mailbody_file ? true : false); } if ($mailbody_file) { unlink($mailbody_file); $mailbody_file = null; } // raise error if saving failed if (!$saved) { raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__, 'line' => __LINE__, '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 = $IMAP->search_once($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$olddraftmessageid, true); $deleted = $IMAP->delete_message($a_deleteid, $CONFIG['drafts_mbox']); // raise error if deletion of old draft failed if (!$deleted) raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__, 'line' => __LINE__, 'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE); } } // remove temp file else if ($mailbody_file) { unlink($mailbody_file); } if ($savedraft) { $msgid = strtr($message_id, array('>' => '', '<' => '')); // remember new draft-uid $draftuids = $IMAP->search_once($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$msgid, true); $_SESSION['compose']['param']['_draft_uid'] = $draftuids[0]; // 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'); } ?>