From 14f4633b0bf3b60047a169b73f16b33372d5378c Mon Sep 17 00:00:00 2001 From: Aleksander Machniak <alec@alec.pl> Date: Wed, 04 Mar 2015 12:32:49 -0500 Subject: [PATCH] Remove redundant encoding of message subject with mb_encode_mimeheader() (#1490295) --- program/steps/mail/sendmail.inc | 619 ++++++++++++++++++++++++++++++-------------------------- 1 files changed, 331 insertions(+), 288 deletions(-) diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc index a0c55d2..5326d64 100644 --- a/program/steps/mail/sendmail.inc +++ b/program/steps/mail/sendmail.inc @@ -24,7 +24,8 @@ $OUTPUT->reset(); $OUTPUT->framed = TRUE; -$savedraft = !empty($_POST['_draft']) ? true : false; +$saveonly = !empty($_GET['_saveonly']); +$savedraft = !empty($_POST['_draft']) && !$saveonly; $sendmail_delay = (int) $RCMAIL->config->get('sendmail_delay'); $drafts_mbox = $RCMAIL->config->get('drafts_mbox'); @@ -60,236 +61,6 @@ } -/****** message sending functions ********/ - -// encrypt parts of the header -function rcmail_encrypt_header($what) -{ - global $RCMAIL; - - if (!$RCMAIL->config->get('http_received_header_encrypt')) { - return $what; - } - - return $RCMAIL->encrypt($what); -} - -// 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 $out; - } - - return false; -} - -/** - * go from this: - * <img src="http[s]://.../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" /> - * - * to this: - * - * <img src="/path/on/server/.../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" /> - */ -function rcmail_fix_emoticon_paths($mime_message) -{ - global $RCMAIL; - - $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)) { - $RCMAIL->output->show_message("emoticonerror", 'error'); - } - - array_push($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); -} - -/** - * Extract image attachments from HTML content (data URIs) - */ -function rcmail_extract_inline_images($mime_message, $from) -{ - $body = $mime_message->getHTMLBody(); - $offset = 0; - $list = array(); - $regexp = '# src=[\'"](data:(image/[a-z]+);base64,([a-z0-9+/=\r\n]+))([\'"])#i'; - - // get domain for the Content-ID, must be the same as in Mail_Mime::get() - if (preg_match('#@([0-9a-zA-Z\-\.]+)#', $from, $matches)) { - $domain = $matches[1]; - } else { - $domain = 'localhost'; - } - - if (preg_match_all($regexp, $body, $matches, PREG_OFFSET_CAPTURE)) { - foreach ($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]; - - // 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) { - $footer = '<pre>' . $footer . '</pre>'; - } - return $footer; - } - } - - return false; -} - - /****** compose message ********/ if (empty($COMPOSE['param']['message-id'])) { @@ -307,7 +78,7 @@ $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) { +if ($EMAIL_FORMAT_ERROR && !$savedraft) { $OUTPUT->show_message('emailformaterror', 'error', array('email' => $EMAIL_FORMAT_ERROR)); $OUTPUT->send('iframe'); } @@ -374,7 +145,7 @@ $http_header .= $nldlm . ' via '; } - $host = $_SERVER['REMOTE_ADDR']; + $host = $_SERVER['REMOTE_ADDR']; $hostname = gethostbyaddr($host); if ($encrypt) { @@ -401,7 +172,7 @@ $headers['Date'] = $RCMAIL->user_date(); $headers['From'] = rcube_charset::convert($from_string, RCUBE_CHARSET, $message_charset); -$headers['To'] = $mailto; +$headers['To'] = $mailto; // additional recipients if (!empty($mailcc)) { @@ -418,6 +189,10 @@ } } +$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)); @@ -431,7 +206,7 @@ $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(); + $headers['Mail-Followup-To'] = rcmail_email_input_format($hdr); } // remember reply/forward UIDs in special headers @@ -439,7 +214,7 @@ $headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $COMPOSE['reply_uid']); } else if (!empty($COMPOSE['forward_uid']) && $savedraft) { - $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $COMPOSE['forward_uid']); + $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => rcube_imap_generic::compressMessageSet($COMPOSE['forward_uid'])); } if (!empty($COMPOSE['reply_msgid'])) { @@ -458,7 +233,7 @@ } } -if (!empty($_POST['_receipt'])) { +if ($mdn_enabled) { $headers['Return-Receipt-To'] = $from_string; $headers['Disposition-Notification-To'] = $from_string; } @@ -503,20 +278,31 @@ } // append doctype and html/body wrappers - $message_body = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">' - . "\r\n<html><body" . (!empty($bstyle) ? " style='" . implode($bstyle, '; ') . "'" : '') . ">\r\n" - . $message_body; + $bstyle = !empty($bstyle) ? (" style='" . implode($bstyle, '; ') . "'") : ''; + $message_body = '<html><head>' + . '<meta http-equiv="Content-Type" content="text/html; charset=' . $message_charset . '" /></head>' + . "<body" . $bstyle . ">\r\n" . $message_body; } if (!$savedraft) { if ($isHtml) { - // remove signature's div ID - $message_body = preg_replace('/\s*id="_rc_sig"/', '', $message_body); + $b_style = 'padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0'; + $pre_style = 'margin: 0; padding: 0; font-family: monospace'; - // add inline css for blockquotes - $bstyle = 'padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px'; - $message_body = preg_replace('/<blockquote>/', - '<blockquote type="cite" style="'.$bstyle.'">', $message_body); + $message_body = preg_replace( + array( + // remove signature's div ID + '/\s*id="_rc_sig"/', + // add inline css for blockquotes and container + '/<blockquote>/', + '/<div class="pre">/' + ), + array( + '', + '<blockquote type="cite" style="'.$b_style.'">', + '<div class="pre" style="'.$pre_style.'">' + ), + $message_body); } // Check spelling before send @@ -530,10 +316,16 @@ $COMPOSE['spell_checked'] = true; if (!$spell_result) { - $result = $isHtml ? $spellchecker->get_words() : $spellchecker->get_xml(); + if ($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', $isHtml, $result); + $OUTPUT->command('spellcheck_resume', $result); $OUTPUT->send('iframe'); } } @@ -641,8 +433,7 @@ $attachment = $RCMAIL->plugins->exec_hook('attachment_get', $attachment); if ($isHtml) { - $dispurl = '/\ssrc\s*=\s*[\'"]*\S+display-attachment\S+file=rcmfile' - . preg_quote($attachment['id']) . '[\s\'"]*/'; + $dispurl = '/[\'"]\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\'"]/'; $message_body = $MAIL_MIME->getHTMLBody(); $is_inline = preg_match($dispurl, $message_body); } @@ -662,7 +453,7 @@ $cid .= '@localhost'; } - $message_body = preg_replace($dispurl, ' src="cid:' . $cid . '" ', $message_body); + $message_body = preg_replace($dispurl, '"cid:' . $cid . '"', $message_body); $MAIL_MIME->setHTMLBody($message_body); @@ -682,7 +473,8 @@ $attachment['data'] ? false : true, $ctype == 'message/rfc822' ? '8bit' : 'base64', 'attachment', - '', '', '', + $attachment['charset'], + '', '', $folding ? 'quoted-printable' : NULL, $folding == 2 ? 'quoted-printable' : NULL, '', RCUBE_CHARSET @@ -697,15 +489,11 @@ $transfer_encoding = $RCMAIL->config->get('force_7bit') ? 'quoted-printable' : '8bit'; } else { - $text_charset = ''; + $text_charset = 'US-ASCII'; $transfer_encoding = '7bit'; } if ($flowed) { - if (!$text_charset) { - $text_charset = 'US-ASCII'; - } - $text_charset .= ";\r\n format=flowed"; } @@ -717,19 +505,11 @@ $MAIL_MIME->setParam('html_charset', $message_charset); $MAIL_MIME->setParam('text_charset', $text_charset); -// encoding subject header with mb_encode provides better results with asian characters -if (function_exists('mb_encode_mimeheader')) { - mb_internal_encoding($message_charset); - $headers['Subject'] = mb_encode_mimeheader($headers['Subject'], - $message_charset, 'Q', "\r\n", 8); - mb_internal_encoding(RCUBE_CHARSET); -} - // pass headers to message object $MAIL_MIME->headers($headers); // Begin SMTP Delivery Block -if (!$savedraft) { +if (!$savedraft && !$saveonly) { // check 'From' address (identity may be incomplete) if (empty($from)) { $OUTPUT->show_message('nofromaddress', 'error'); @@ -737,9 +517,7 @@ } // Handle Delivery Status Notification request - if (!empty($_POST['_dsn'])) { - $smtp_opts['dsn'] = true; - } + $smtp_opts['dsn'] = $dsn_enabled; $sent = $RCMAIL->deliver_message($MAIL_MIME, $from, $mailto, $smtp_error, $mailbody_file, $smtp_opts); @@ -764,10 +542,16 @@ } // set replied/forwarded flag - if ($COMPOSE['reply_uid']) - $RCMAIL->storage->set_flag($COMPOSE['reply_uid'], 'ANSWERED', $COMPOSE['mailbox']); - else if ($COMPOSE['forward_uid']) - $RCMAIL->storage->set_flag($COMPOSE['forward_uid'], 'FORWARDED', $COMPOSE['mailbox']); + if ($COMPOSE['reply_uid']) { + foreach (rcmail::get_uids($COMPOSE['reply_uid'], $COMPOSE['mailbox']) as $mbox => $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) { + $RCMAIL->storage->set_flag($uids, 'FORWARDED', $mbox); + } + } } // Determine which folder to save message @@ -775,9 +559,11 @@ $store_target = $drafts_mbox; } else if (!$RCMAIL->config->get('no_save_sent_messages')) { - $store_target = rcube_utils::get_input_value('_store_target', rcube_utils::INPUT_POST); - if (!strlen($store_target)) { - $sore_target = $RCMAIL->config->get('sent_mbox'); + if (isset($_POST['_store_target'])) { + $store_target = rcube_utils::get_input_value('_store_target', rcube_utils::INPUT_POST); + } + else { + $store_target = $RCMAIL->config->get('sent_mbox'); } } @@ -807,8 +593,9 @@ else { $temp_dir = $RCMAIL->config->get('temp_dir'); $mailbody_file = tempnam($temp_dir, 'rcmMsg'); + $msg = $MAIL_MIME->saveMessageBody($mailbody_file); - if (!PEAR::isError($msg = $MAIL_MIME->saveMessageBody($mailbody_file))) { + if (!is_a($msg, 'PEAR_Error')) { $msg = $mailbody_file; } } @@ -818,7 +605,7 @@ $headers = ''; } - if (PEAR::isError($msg)) { + 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()), @@ -842,7 +629,8 @@ 'message' => "Could not save message in $store_target"), true, false); if ($savedraft) { - $OUTPUT->show_message('errorsaving', 'error'); + $RCMAIL->display_server_error('errorsaving'); + // start the auto-save timer again $OUTPUT->command('auto_save_start'); $OUTPUT->send('iframe'); @@ -891,23 +679,278 @@ $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) $folders = array(); - if ($COMPOSE['mode'] == 'reply' || $COMPOSE['mode'] == 'forward') { - $folders[] = $COMPOSE['mailbox']; + if (!$saveonly) { + if (in_array($COMPOSE['mode'], array('reply', 'forward', 'draft'))) { + $folders[] = $COMPOSE['mailbox']; + } + if (!empty($COMPOSE['param']['draft_uid']) && $drafts_mbox) { + $folders[] = $drafts_mbox; + } } - - rcmail_compose_cleanup($COMPOSE_ID); - $OUTPUT->command('remove_compose_data', $COMPOSE_ID); if ($store_folder && !$saved) { - $OUTPUT->command('sent_successfully', 'error', $RCMAIL->gettext('errorsavingsent'), $folders); + $params = $saveonly ? null : array('prefix' => true); + $RCMAIL->display_server_error('errorsavingsent', null, null, $params); + if ($saveonly) { + $OUTPUT->send('iframe'); + } + + $save_error = true; } - else if ($store_folder) { - $folders[] = $store_target; + else { + rcmail_compose_cleanup($COMPOSE_ID); + $OUTPUT->command('remove_compose_data', $COMPOSE_ID); + + if ($store_folder) { + $folders[] = $store_target; + } } - $OUTPUT->command('sent_successfully', 'confirmation', $RCMAIL->gettext('messagesent'), $folders); + $msg = $RCMAIL->gettext($saveonly ? 'successfullysaved' : 'messagesent'); + + $OUTPUT->command('sent_successfully', 'confirmation', $msg, $folders, $save_error); } $OUTPUT->send('iframe'); + + +/****** message sending functions ********/ + +// encrypt parts of the header +function rcmail_encrypt_header($what) +{ + global $RCMAIL; + + if (!$RCMAIL->config->get('http_received_header_encrypt')) { + return $what; + } + + return $RCMAIL->encrypt($what); +} + +// 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 $out; + } + + return false; +} + +/** + * go from this: + * <img src="http[s]://.../tinymce/plugins/emoticons/img/smiley-cool.gif" border="0" alt="Cool" title="Cool" /> + * + * to this: + * + * <img src="/path/on/server/.../tinymce/plugins/emoticons/img/smiley-cool.gif" border="0" alt="Cool" title="Cool" /> + */ +function rcmail_fix_emoticon_paths($mime_message) +{ + global $RCMAIL; + + $body = $mime_message->getHTMLBody(); + + // remove any null-byte characters before parsing + $body = preg_replace('/\x00/', '', $body); + + $searchstr = 'program/js/tinymce/plugins/emoticons/img/'; + $assets_dir = $RCMAIL->config->get('assets_dir'); + $path = ($assets_dir ?: INSTALL_PATH) . '/' . $searchstr; + $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 = $path . $image_name; + + if (!in_array($image_name, $included_images)) { + // add the image to the MIME message + $res = $mime_message->addHTMLImage($img_file, 'image/gif', '', true, $image_name); + if (is_a($res, 'PEAR_Error')) { + $RCMAIL->output->show_message("emoticonerror", 'error'); + continue; + } + + array_push($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); +} + +/** + * 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; +} -- Gitblit v1.9.1