| +-----------------------------------------------------------------------+ */ // remove all scripts and act as called in frame $OUTPUT->reset(); $OUTPUT->framed = TRUE; $saveonly = !empty($_GET['_saveonly']); $savedraft = !empty($_POST['_draft']) && !$saveonly; $sendmail_delay = (int) $RCMAIL->config->get('sendmail_delay'); $drafts_mbox = $RCMAIL->config->get('drafts_mbox'); $COMPOSE_ID = rcube_utils::get_input_value('_id', rcube_utils::INPUT_GPC); $COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID]; /****** checks ********/ if (!isset($COMPOSE['id'])) { rcube::raise_error(array('code' => 500, 'type' => 'php', 'file' => __FILE__, 'line' => __LINE__, 'message' => "Invalid compose ID"), true, false); $OUTPUT->show_message('internalerror', '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'); $OUTPUT->send('iframe'); } if ($sendmail_delay) { $wait_sec = time() - $sendmail_delay - intval($RCMAIL->config->get('last_message_time')); if ($wait_sec < 0) { $OUTPUT->show_message('senttooquickly', 'error', array('sec' => $wait_sec * -1)); $OUTPUT->send('iframe'); } } } /****** compose message ********/ // set default charset $message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $OUTPUT->get_charset(); $EMAIL_FORMAT_ERROR = NULL; $RECIPIENT_COUNT = 0; $mailto = rcmail_email_input_format(rcube_utils::get_input_value('_to', rcube_utils::INPUT_POST, TRUE, $message_charset), true); $mailcc = rcmail_email_input_format(rcube_utils::get_input_value('_cc', rcube_utils::INPUT_POST, TRUE, $message_charset), true); $mailbcc = rcmail_email_input_format(rcube_utils::get_input_value('_bcc', rcube_utils::INPUT_POST, TRUE, $message_charset), true); if ($EMAIL_FORMAT_ERROR && !$savedraft) { $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 = rcube_utils::get_input_value('_from', rcube_utils::INPUT_POST, true, $message_charset); // ... from identity... if (is_numeric($from)) { if (is_array($identity_arr = rcmail_get_identity($from))) { if ($identity_arr['mailto']) $from = $identity_arr['mailto']; if ($identity_arr['string']) $from_string = $identity_arr['string']; } else { $from = null; } } // ... if there is no identity record, this might be a custom from else if ($from_string = rcmail_email_input_format($from)) { if (preg_match('/(\S+@\S+)/', $from_string, $m)) $from = trim($m[1], '<>'); else $from = null; } // check 'From' address (identity may be incomplete) if (!$savedraft && !$saveonly && empty($from)) { $OUTPUT->show_message('nofromaddress', 'error'); $OUTPUT->send('iframe'); } if (!$from_string && $from) { $from_string = $from; } if (empty($COMPOSE['param']['message-id'])) { $COMPOSE['param']['message-id'] = $RCMAIL->gen_message_id($from); } $message_id = $COMPOSE['param']['message-id']; // compose headers array $headers = array(); // if configured, the Received headers goes to top, for good measure if ($RCMAIL->config->get('http_received_header')) { $nldlm = "\r\n\t"; $http_header = 'from '; // FROM/VIA if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { $hosts = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'], 2); $http_header .= rcmail_received_host($hosts[0]) . $nldlm . ' via '; } $http_header .= rcmail_received_host($_SERVER['REMOTE_ADDR']); // BY $http_header .= $nldlm . 'by ' . $_SERVER['HTTP_HOST']; // WITH $http_header .= $nldlm . 'with HTTP (' . $_SERVER['SERVER_PROTOCOL'] . ' ' . $_SERVER['REQUEST_METHOD'] . '); ' . date('r'); $headers['Received'] = wordwrap($http_header, 69, $nldlm); } $headers['Date'] = $RCMAIL->user_date(); $headers['From'] = rcube_charset::convert($from_string, RCUBE_CHARSET, $message_charset); $headers['To'] = $mailto; // additional recipients if (!empty($mailcc)) { $headers['Cc'] = $mailcc; } if (!empty($mailbcc)) { $headers['Bcc'] = $mailbcc; } if (($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'); } } $dont_override = (array) $RCMAIL->config->get('dont_override'); $mdn_enabled = in_array('mdn_default', $dont_override) ? $RCMAIL->config->get('mdn_default') : !empty($_POST['_mdn']); $dsn_enabled = in_array('dsn_default', $dont_override) ? $RCMAIL->config->get('dsn_default') : !empty($_POST['_dsn']); // add subject $headers['Subject'] = trim(rcube_utils::get_input_value('_subject', rcube_utils::INPUT_POST, TRUE, $message_charset)); if (!empty($identity_arr['organization'])) { $headers['Organization'] = $identity_arr['organization']; } if ($hdr = rcube_utils::get_input_value('_replyto', rcube_utils::INPUT_POST, TRUE, $message_charset)) { $headers['Reply-To'] = rcmail_email_input_format($hdr); } if (!empty($headers['Reply-To'])) { $headers['Mail-Reply-To'] = $headers['Reply-To']; } if ($hdr = rcube_utils::get_input_value('_followupto', rcube_utils::INPUT_POST, TRUE, $message_charset)) { $headers['Mail-Followup-To'] = rcmail_email_input_format($hdr); } // remember reply/forward UIDs in special headers if ($savedraft) { // Note: We ignore . forwards/replies here if (($uid = $COMPOSE['reply_uid']) && !preg_match('/^\d+\.[0-9.]+$/', $uid)) { $headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $uid); } else if (!empty($COMPOSE['forward_uid']) && ($uid = rcube_imap_generic::compressMessageSet($COMPOSE['forward_uid'])) && !preg_match('/^\d+[0-9.]+$/', $uid) ) { $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $uid); } } if (!empty($COMPOSE['reply_msgid'])) { $headers['In-Reply-To'] = $COMPOSE['reply_msgid']; } if (!empty($COMPOSE['references'])) { $headers['References'] = $COMPOSE['references']; } if (!empty($_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 ($mdn_enabled) { $headers['Return-Receipt-To'] = $from_string; $headers['Disposition-Notification-To'] = $from_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' => $COMPOSE['mailbox'])); } if ($hdr = $RCMAIL->config->get('useragent')) { $headers['User-Agent'] = $hdr; } // exec hook for header checking and manipulation // Depracated: use message_before_send hook instead $data = $RCMAIL->plugins->exec_hook('message_outgoing_headers', array('headers' => $headers)); // sending aborted by plugin if ($data['abort'] && !$savedraft) { $OUTPUT->show_message($data['message'] ?: 'sendingfailed'); $OUTPUT->send('iframe'); } else { $headers = $data['headers']; } $isHtml = (bool) rcube_utils::get_input_value('_is_html', rcube_utils::INPUT_POST); // fetch message body $message_body = rcube_utils::get_input_value('_message', rcube_utils::INPUT_POST, TRUE, $message_charset); if (isset($_POST['_pgpmime'])) { $pgp_mime = rcube_utils::get_input_value('_pgpmime', rcube_utils::INPUT_POST); $isHtml = false; $message_body = ''; // clear unencrypted attachments foreach ((array) $COMPOSE['attachments'] as $attach) { $RCMAIL->plugins->exec_hook('attachment_delete', $attach); } $COMPOSE['attachments'] = array(); } if ($isHtml) { $bstyle = array(); if ($font_size = $RCMAIL->config->get('default_font_size')) { $bstyle[] = 'font-size: ' . $font_size; } if ($font_family = $RCMAIL->config->get('default_font')) { $bstyle[] = 'font-family: ' . rcmail::font_defs($font_family); } // append doctype and html/body wrappers $bstyle = !empty($bstyle) ? (" style='" . implode($bstyle, '; ') . "'") : ''; $message_body = '' . '' . "\r\n" . $message_body; } if (!$savedraft) { if ($isHtml) { $b_style = 'padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0'; $pre_style = 'margin: 0; padding: 0; font-family: monospace'; $message_body = preg_replace( array( // remove empty signature div '/
( )?<\/div>[\s\r\n]*$/', // remove signature's div ID '/\s*id="_rc_sig"/', // add inline css for blockquotes and container '/
/', '/
/', // convert TinyMCE's new-line sequences (#1490463) '/

 <\/p>/', ), array( '', '', '

', '
', '


', ), $message_body); } // Check spelling before send if ($RCMAIL->config->get('spellcheck_before_send') && $RCMAIL->config->get('enable_spellcheck') && empty($COMPOSE['spell_checked']) && !empty($message_body) ) { $message_body = str_replace("\r\n", "\n", $message_body); $spellchecker = new rcube_spellchecker(rcube_utils::get_input_value('_lang', rcube_utils::INPUT_GPC)); $spell_result = $spellchecker->check($message_body, $isHtml); $COMPOSE['spell_checked'] = true; if (!$spell_result) { if ($isHtml) { $result['words'] = $spellchecker->get(); $result['dictionary'] = (bool) $RCMAIL->config->get('spellcheck_dictionary'); } else { $result = $spellchecker->get_xml(); } $OUTPUT->show_message('mispellingsfound', 'error'); $OUTPUT->command('spellcheck_resume', $result); $OUTPUT->send('iframe'); } } // generic footer for all messages if ($footer = rcmail_generic_message_footer($isHtml)) { $footer = rcube_charset::convert($footer, RCUBE_CHARSET, $message_charset); $message_body .= "\r\n" . $footer; } } if ($isHtml) { $message_body .= "\r\n\r\n"; } // sort attachments to make sure the order is the same as in the UI (#1488423) if ($files = rcube_utils::get_input_value('_attachments', rcube_utils::INPUT_POST)) { $files = explode(',', $files); $files = array_flip($files); foreach ($files as $idx => $val) { $files[$idx] = $COMPOSE['attachments'][$idx]; unset($COMPOSE['attachments'][$idx]); } $COMPOSE['attachments'] = array_merge(array_filter($files), $COMPOSE['attachments']); } // set line length for body wrapping $LINE_LENGTH = $RCMAIL->config->get('line_length', 72); // Since we can handle big messages with disk usage, we need more time to work @set_time_limit(0); // create PEAR::Mail_mime instance $MAIL_MIME = new Mail_mime("\r\n"); // Check if we have enough memory to handle the message in it // It's faster than using files, so we'll do this if we only can if (is_array($COMPOSE['attachments']) && ($mem_limit = parse_bytes(ini_get('memory_limit')))) { $memory = 0; foreach ($COMPOSE['attachments'] as $id => $attachment) { $memory += $attachment['size']; } // Yeah, Net_SMTP needs up to 12x more memory, 1.33 is for base64 if (!rcube_utils::mem_check($memory * 1.33 * 12)) { $MAIL_MIME->setParam('delay_file_io', true); } } // For HTML-formatted messages, construct the MIME message with both // the HTML part and the plain-text part if ($isHtml) { $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body', array('body' => $message_body, 'type' => 'html', 'message' => $MAIL_MIME)); $MAIL_MIME->setHTMLBody($plugin['body']); $plainTextPart = $RCMAIL->html2text($plugin['body'], array('width' => 0, 'charset' => $message_charset)); $plainTextPart = rcube_mime::wordwrap($plainTextPart, $LINE_LENGTH, "\r\n", false, $message_charset); $plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true); // There's no sense to use multipart/alternative if the text/plain // part would be blank. Completely blank text/plain part may confuse // some mail clients (#5283) if (strlen(trim($plainTextPart)) > 0) { // make sure all line endings are CRLF (#1486712) $plainTextPart = preg_replace('/\r?\n/', "\r\n", $plainTextPart); $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body', array('body' => $plainTextPart, 'type' => 'alternative', 'message' => $MAIL_MIME)); // add a plain text version of the e-mail as an alternative part. $MAIL_MIME->setTXTBody($plugin['body']); } // Extract image Data URIs into message attachments (#1488502) rcmail_extract_inline_images($MAIL_MIME, $from); } else { $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body', array('body' => $message_body, 'type' => 'plain', 'message' => $MAIL_MIME)); $message_body = $plugin['body']; // compose format=flowed content if enabled if ($flowed = ($savedraft || $RCMAIL->config->get('send_format_flowed', true))) $message_body = rcube_mime::format_flowed($message_body, min($LINE_LENGTH+2, 79), $message_charset); else $message_body = rcube_mime::wordwrap($message_body, $LINE_LENGTH, "\r\n", false, $message_charset); $message_body = wordwrap($message_body, 998, "\r\n", true); $MAIL_MIME->setTXTBody($message_body, false, true); } // add stored attachments, if any if (is_array($COMPOSE['attachments'])) { foreach ($COMPOSE['attachments'] as $id => $attachment) { // This hook retrieves the attachment contents from the file storage backend $attachment = $RCMAIL->plugins->exec_hook('attachment_get', $attachment); if ($isHtml) { $dispurl = '/[\'"]\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\'"]/'; $message_body = $MAIL_MIME->getHTMLBody(); $is_inline = preg_match($dispurl, $message_body); } else { $is_inline = false; } // inline image if ($is_inline) { // Mail_Mime does not support many inline attachments with the same name (#1489406) // we'll generate cid: urls here to workaround this $cid = preg_replace('/[^0-9a-zA-Z]/', '', uniqid(time(), true)); if (preg_match('#(@[0-9a-zA-Z\-\.]+)#', $from, $matches)) { $cid .= $matches[1]; } else { $cid .= '@localhost'; } $message_body = preg_replace($dispurl, '"cid:' . $cid . '"', $message_body); $MAIL_MIME->setHTMLBody($message_body); if ($attachment['data']) $MAIL_MIME->addHTMLImage($attachment['data'], $attachment['mimetype'], $attachment['name'], false, $cid); else $MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name'], true, $cid); } else { $ctype = str_replace('image/pjpeg', 'image/jpeg', $attachment['mimetype']); // #1484914 $file = $attachment['data'] ?: $attachment['path']; $folding = (int) $RCMAIL->config->get('mime_param_folding'); $MAIL_MIME->addAttachment($file, $ctype, $attachment['name'], $attachment['data'] ? false : true, $ctype == 'message/rfc822' ? '8bit' : 'base64', 'attachment', $attachment['charset'], '', '', $folding ? 'quoted-printable' : NULL, $folding == 2 ? 'quoted-printable' : NULL, '', RCUBE_CHARSET ); } } } // choose transfer encoding for plain/text body if (preg_match('/[^\x00-\x7F]/', $MAIL_MIME->getTXTBody())) { $text_charset = $message_charset; $transfer_encoding = $RCMAIL->config->get('force_7bit') ? 'quoted-printable' : '8bit'; } else { $text_charset = 'US-ASCII'; $transfer_encoding = '7bit'; } if ($flowed) { $text_charset .= ";\r\n format=flowed"; } // compose PGP/Mime message if ($pgp_mime) { $MAIL_MIME->addAttachment(new Mail_mimePart('Version: 1', array( 'content_type' => 'application/pgp-encrypted', 'description' => 'PGP/MIME version identification', ))); $MAIL_MIME->addAttachment(new Mail_mimePart($pgp_mime, array( 'content_type' => 'application/octet-stream', 'filename' => 'encrypted.asc', 'disposition' => 'inline', ))); $MAIL_MIME->setContentType('multipart/encrypted', array('protocol' => 'application/pgp-encrypted')); $MAIL_MIME->setParam('preamble', 'This is an OpenPGP/MIME encrypted message (RFC 2440 and 3156)'); } // 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', $text_charset); // pass headers to message object $MAIL_MIME->headers($headers); // This hook allows to modify the message before send or save action $plugin = $RCMAIL->plugins->exec_hook('message_ready', array('message' => $MAIL_MIME)); $MAIL_MIME = $plugin['message']; // Begin SMTP Delivery Block if (!$savedraft && !$saveonly) { // Handle Delivery Status Notification request $smtp_opts['dsn'] = $dsn_enabled; $sent = $RCMAIL->deliver_message($MAIL_MIME, $from, $mailto, $smtp_error, $mailbody_file, $smtp_opts); // return to compose page if sending failed if (!$sent) { // remove temp file if ($mailbody_file) { unlink($mailbody_file); } if ($smtp_error && is_string($smtp_error)) { $OUTPUT->show_message($smtp_error, 'error'); } else if ($smtp_error && !empty($smtp_error['label'])) { $OUTPUT->show_message($smtp_error['label'], 'error', $smtp_error['vars']); } else { $OUTPUT->show_message('sendingfailed', 'error'); } $OUTPUT->send('iframe'); } // save message sent time if ($sendmail_delay) { $RCMAIL->user->save_prefs(array('last_message_time' => time())); } // set replied/forwarded flag if ($COMPOSE['reply_uid']) { foreach (rcmail::get_uids($COMPOSE['reply_uid'], $COMPOSE['mailbox']) as $mbox => $uids) { // skip . replies if (!preg_match('/^\d+\.[0-9.]+$/', implode(',', (array) $uids))) { $RCMAIL->storage->set_flag($uids, 'ANSWERED', $mbox); } } } else if ($COMPOSE['forward_uid']) { foreach (rcmail::get_uids($COMPOSE['forward_uid'], $COMPOSE['mailbox']) as $mbox => $uids) { // skip . forwards if (!preg_match('/^\d+\.[0-9.]+$/', implode(',', (array) $uids))) { $RCMAIL->storage->set_flag($uids, 'FORWARDED', $mbox); } } } } // Determine which folder to save message if ($savedraft) { $store_target = $drafts_mbox; } else if (!$RCMAIL->config->get('no_save_sent_messages')) { if (isset($_POST['_store_target'])) { $store_target = rcube_utils::get_input_value('_store_target', rcube_utils::INPUT_POST); } else { $store_target = $RCMAIL->config->get('sent_mbox'); } } if ($store_target) { // check if folder is subscribed if ($RCMAIL->storage->folder_exists($store_target, true)) { $store_folder = true; } // folder may be existing but not subscribed (#1485241) else if (!$RCMAIL->storage->folder_exists($store_target)) { $store_folder = $RCMAIL->storage->create_folder($store_target, true); } else if ($RCMAIL->storage->subscribe($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'); $msg = $MAIL_MIME->saveMessageBody($mailbody_file); if (!is_a($msg, 'PEAR_Error')) { $msg = $mailbody_file; } } } else { $msg = $MAIL_MIME->getMessage(); $headers = ''; } if (is_a($msg, 'PEAR_Error')) { rcube::raise_error(array('code' => 650, 'type' => 'php', 'file' => __FILE__, 'line' => __LINE__, 'message' => "Could not create message: ".$msg->getMessage()), true, false); } else { $saved = $RCMAIL->storage->save_message($store_target, $msg, $headers, $mailbody_file ? true : false, array('SEEN')); } if ($mailbody_file) { unlink($mailbody_file); $mailbody_file = null; } } // raise error if saving failed if (!$saved) { rcube::raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__, 'line' => __LINE__, 'message' => "Could not save message in $store_target"), true, false); if ($savedraft) { $RCMAIL->display_server_error('errorsaving'); // start the auto-save timer again $OUTPUT->command('auto_save_start'); $OUTPUT->send('iframe'); } } } // remove temp file else if ($mailbody_file) { unlink($mailbody_file); } // delete previous saved draft $old_id = rcube_utils::get_input_value('_draft_saveid', rcube_utils::INPUT_POST); if ($old_id && ($sent || $saved)) { $deleted = $RCMAIL->storage->delete_message($old_id, $drafts_mbox); // raise error if deletion of old draft failed if (!$deleted) { rcube::raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__, 'line' => __LINE__, 'message' => "Could not delete message from $drafts_mbox"), true, false); } } if ($savedraft) { // remember new draft-uid ($saved could be an UID or true/false here) if ($saved && is_bool($saved)) { $index = $RCMAIL->storage->search_once($drafts_mbox, 'HEADER Message-ID ' . $message_id); $saved = @max($index->get()); } if ($saved) { $plugin = $RCMAIL->plugins->exec_hook('message_draftsaved', array('msgid' => $message_id, 'uid' => $saved, 'folder' => $store_target)); // display success $OUTPUT->show_message($plugin['message'] ?: 'messagesaved', 'confirmation'); // update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning $COMPOSE['param']['draft_uid'] = $plugin['uid']; $OUTPUT->command('set_draft_id', $plugin['uid']); $OUTPUT->command('compose_field_hash', true); } // start the auto-save timer again $OUTPUT->command('auto_save_start'); } else { // Collect folders which could contain the composed message, // we'll refresh the list if currently opened folder is one of them (#1490238) $folders = array(); if (!$saveonly) { if (in_array($COMPOSE['mode'], array('reply', 'forward', 'draft'))) { $folders[] = $COMPOSE['mailbox']; } if (!empty($COMPOSE['param']['draft_uid']) && $drafts_mbox) { $folders[] = $drafts_mbox; } } if ($store_folder && !$saved) { $params = $saveonly ? null : array('prefix' => true); $RCMAIL->display_server_error('errorsavingsent', null, null, $params); if ($saveonly) { $OUTPUT->send('iframe'); } $save_error = true; } else { rcmail_compose_cleanup($COMPOSE_ID); $OUTPUT->command('remove_compose_data', $COMPOSE_ID); if ($store_folder) { $folders[] = $store_target; } } $msg = $RCMAIL->gettext($saveonly ? 'successfullysaved' : 'messagesent'); $OUTPUT->command('sent_successfully', 'confirmation', $msg, $folders, $save_error); } $OUTPUT->send('iframe'); /****** message sending functions ********/ function rcmail_received_host($host) { $hostname = gethostbyaddr($host); $result = rcmail_encrypt_host($hostname); if ($host != $hostname) { $result .= ' (' . rcmail_encrypt_host($host) . ')'; } return $result; } // encrypt host IP or hostname for Received header function rcmail_encrypt_host($host) { global $RCMAIL; if ($RCMAIL->config->get('http_received_header_encrypt')) { return $RCMAIL->encrypt($host); } if (!preg_match('/[^0-9:.]/', $host)) { return "[$host]"; } return $host; } // get identity record function rcmail_get_identity($id) { global $RCMAIL, $message_charset; if ($sql_arr = $RCMAIL->user->get_identity($id)) { $out = $sql_arr; if ($message_charset != RCUBE_CHARSET) { foreach ($out as $k => $v) { $out[$k] = rcube_charset::convert($v, RCUBE_CHARSET, $message_charset); } } $out['mailto'] = $sql_arr['email']; $out['string'] = format_email_recipient($sql_arr['email'], $sql_arr['name']); return $out; } return false; } /** * Extract image attachments from HTML content (data URIs) */ function rcmail_extract_inline_images($mime_message, $from) { $body = $mime_message->getHTMLBody(); $offset = 0; $list = array(); $domain = 'localhost'; $regexp = '#img[^>]+src=[\'"](data:([^;]*);base64,([a-z0-9+/=\r\n]+))([\'"])#i'; if (preg_match_all($regexp, $body, $matches, PREG_OFFSET_CAPTURE)) { // get domain for the Content-ID, must be the same as in Mail_Mime::get() if (preg_match('#@([0-9a-zA-Z\-\.]+)#', $from, $m)) { $domain = $m[1]; } foreach ($matches[1] as $idx => $m) { $data = preg_replace('/\r\n/', '', $matches[3][$idx][0]); $data = base64_decode($data); if (empty($data)) { continue; } $hash = md5($data) . '@' . $domain; $mime_type = $matches[2][$idx][0]; $name = $list[$hash]; if (empty($mime_type)) { $mime_type = rcube_mime::image_content_type($data); } // add the image to the MIME message if (!$name) { $ext = preg_replace('#^[^/]+/#', '', $mime_type); $name = substr($hash, 0, 8) . '.' . $ext; $list[$hash] = $name; $mime_message->addHTMLImage($data, $mime_type, $name, false, $hash); } $body = substr_replace($body, $name, $m[1] + $offset, strlen($m[0])); $offset += strlen($name) - strlen($m[0]); } } $mime_message->setHTMLBody($body); } /** * Parse and cleanup email address input (and count addresses) * * @param string Address input * @param boolean Do count recipients (saved in global $RECIPIENT_COUNT) * @param boolean Validate addresses (errors saved in global $EMAIL_FORMAT_ERROR) * @return string Canonical recipients string separated by comma */ function rcmail_email_input_format($mailto, $count=false, $check=true) { global $RCMAIL, $EMAIL_FORMAT_ERROR, $RECIPIENT_COUNT; // simplified email regexp, supporting quoted local part $email_regexp = '(\S+|("[^"]+"))@\S+'; $delim = trim($RCMAIL->config->get('recipients_separator', ',')); $regexp = array("/[,;$delim]\s*[\r\n]+/", '/[\r\n]+/', "/[,;$delim]\s*\$/m", '/;/', '/(\S{1})(<'.$email_regexp.'>)/U'); $replace = array($delim.' ', ', ', '', $delim, '\\1 \\2'); // replace new lines and strip ending ', ', make address input more valid $mailto = trim(preg_replace($regexp, $replace, $mailto)); $items = rcube_utils::explode_quoted_string($delim, $mailto); $result = array(); foreach ($items as $item) { $item = trim($item); // address in brackets without name (do nothing) if (preg_match('/^<'.$email_regexp.'>$/', $item)) { $item = rcube_utils::idn_to_ascii(trim($item, '<>')); $result[] = $item; } // address without brackets and without name (add brackets) else if (preg_match('/^'.$email_regexp.'$/', $item)) { $item = rcube_utils::idn_to_ascii($item); $result[] = $item; } // address with name (handle name) else if (preg_match('/<*'.$email_regexp.'>*$/', $item, $matches)) { $address = $matches[0]; $name = trim(str_replace($address, '', $item)); if ($name[0] == '"' && $name[count($name)-1] == '"') { $name = substr($name, 1, -1); } $name = stripcslashes($name); $address = rcube_utils::idn_to_ascii(trim($address, '<>')); $result[] = format_email_recipient($address, $name); $item = $address; } else if (trim($item)) { continue; } // check address format $item = trim($item, '<>'); if ($item && $check && !rcube_utils::check_email($item)) { $EMAIL_FORMAT_ERROR = $item; return; } } if ($count) { $RECIPIENT_COUNT += count($result); } return implode(', ', $result); } function rcmail_generic_message_footer($isHtml) { global $RCMAIL; if ($isHtml && ($file = $RCMAIL->config->get('generic_message_footer_html'))) { $html_footer = true; } else { $file = $RCMAIL->config->get('generic_message_footer'); $html_footer = false; } if ($file && realpath($file)) { // sanity check if (!preg_match('/\.(php|ini|conf)$/', $file) && strpos($file, '/etc/') === false) { $footer = file_get_contents($file); if ($isHtml && !$html_footer) { $t2h = new rcube_text2html($footer, false); $footer = $t2h->get_html(); } return $footer; } } return false; } /** * clear message composing settings */ function rcmail_compose_cleanup($id) { if (!isset($_SESSION['compose_data_'.$id])) { return; } $rcmail = rcmail::get_instance(); $rcmail->plugins->exec_hook('attachments_cleanup', array('group' => $id)); $rcmail->session->remove('compose_data_'.$id); $_SESSION['last_compose_session'] = $id; }