From bd0551b22076b82a6d49e9f7a2b2e0c90a1b2326 Mon Sep 17 00:00:00 2001 From: Aleksander Machniak <alec@alec.pl> Date: Fri, 05 Feb 2016 07:25:27 -0500 Subject: [PATCH] Secure also downloads of addressbook exports, managesieve script exports and Enigma keys exports --- program/steps/mail/func.inc | 257 +++++++++++++++++++++++++++++++++++++++----------- 1 files changed, 199 insertions(+), 58 deletions(-) diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc index 6ba8ce1..963e696 100644 --- a/program/steps/mail/func.inc +++ b/program/steps/mail/func.inc @@ -78,11 +78,12 @@ // set current mailbox and some other vars in client environment $OUTPUT->set_env('mailbox', $mbox_name); $OUTPUT->set_env('pagesize', $RCMAIL->storage->get_pagesize()); + $OUTPUT->set_env('current_page', max(1, $_SESSION['page'])); $OUTPUT->set_env('delimiter', $delimiter); $OUTPUT->set_env('threading', $threading); $OUTPUT->set_env('threads', $threading || $RCMAIL->storage->get_capability('THREAD')); $OUTPUT->set_env('reply_all_mode', (int) $RCMAIL->config->get('reply_all_mode')); - $OUTPUT->set_env('preview_pane_mark_read', $RCMAIL->config->get('preview_pane_mark_read', 0)); + $OUTPUT->set_env('preview_pane_mark_read', (int) $RCMAIL->config->get('preview_pane_mark_read')); if ($RCMAIL->storage->get_capability('QUOTA')) { $OUTPUT->set_env('quota', true); @@ -125,6 +126,7 @@ 'messagecontentframe' => 'rcmail_messagecontent_frame', 'messageimportform' => 'rcmail_message_import_form', 'searchfilter' => 'rcmail_search_filter', + 'searchinterval' => 'rcmail_search_interval', 'searchform' => array($OUTPUT, 'search_form'), )); @@ -162,9 +164,11 @@ $mbox = strlen($_SESSION['mbox']) ? $_SESSION['mbox'] : 'INBOX'; } - if ($RCMAIL->action == 'list') { + // we handle 'page' argument on 'list' and 'getunread' to prevent from + // race condition and unintentional page overwrite in session + if ($RCMAIL->action == 'list' || $RCMAIL->action == 'getunread') { if (!($page = intval($_GET['_page']))) { - $page = $_SESSION['page'] ? $_SESSION['page'] : 1; + $page = $_SESSION['page'] ?: 1; } $_SESSION['page'] = $page; @@ -175,7 +179,7 @@ // set default sort col/order to session if (!isset($_SESSION['sort_col'])) { - $_SESSION['sort_col'] = $message_sort_col ? $message_sort_col : ''; + $_SESSION['sort_col'] = $message_sort_col ?: ''; } if (!isset($_SESSION['sort_order'])) { $_SESSION['sort_order'] = strtoupper($message_sort_order) == 'ASC' ? 'ASC' : 'DESC'; @@ -453,6 +457,8 @@ } } + $sort_col = $_SESSION['sort_col']; + // loop through message headers foreach ($a_headers as $header) { if (empty($header)) @@ -483,7 +489,7 @@ else if ($col == 'size') $cont = $RCMAIL->show_bytes($header->$col); else if ($col == 'date') - $cont = $RCMAIL->format_date($header->date); + $cont = $RCMAIL->format_date($sort_col == 'arrival' ? $header->internaldate : $header->date); else if ($col == 'folder') { if ($last_folder !== $header->folder) { $last_folder = $header->folder; @@ -588,8 +594,9 @@ } foreach ($a_show_cols as $col) { - $label = ''; + $label = ''; $sortable = false; + $rel_col = $col == 'date' && $sort_col == 'arrival' ? 'arrival' : $col; // get column name switch ($col) { @@ -607,11 +614,11 @@ $col_name = $list_menu; break; case 'fromto': - $label = $RCMAIL->gettext($smart_col); + $label = $RCMAIL->gettext($smart_col); $col_name = rcube::Q($label); break; default: - $label = $RCMAIL->gettext($col); + $label = $RCMAIL->gettext($col); $col_name = rcube::Q($label); } @@ -621,7 +628,7 @@ $col_name = html::a(array( 'href' => "./#sort", 'class' => 'sortcol', - 'rel' => $col, + 'rel' => $rel_col, 'title' => $RCMAIL->gettext('sortby') ), $col_name); } @@ -629,7 +636,7 @@ $col_name = '<span class="' . $col .'">' . $col_name . '</span>'; } - $sort_class = $col == $sort_col && !$disabled_order ? " sorted$sort_order" : ''; + $sort_class = $rel_col == $sort_col && !$disabled_order ? " sorted$sort_order" : ''; $class_name = $col.$sort_class; // put it all together @@ -770,7 +777,7 @@ // get default addressbook, like in addcontact.inc $CONTACTS = $RCMAIL->get_address_book(-1, true); - if ($CONTACTS) { + if ($CONTACTS && $message->sender['mailto']) { $result = $CONTACTS->search('email', $message->sender['mailto'], 1, false); if ($result->count) { $message->set_safe(true); @@ -947,6 +954,13 @@ break; case 'style': + // Crazy big styles may freeze the browser (#1490539) + // remove content with more than 5k lines + if (substr_count($content, "\n") > 5000) { + $out = ''; + break; + } + // decode all escaped entities and reduce to ascii strings $stripped = preg_replace('/[^a-zA-Z\(:;]/', '', rcube_utils::xss_entity_decode($content)); @@ -975,10 +989,12 @@ static $sa_attrib; // keep header table attrib - if (is_array($attrib) && !$sa_attrib && !$attrib['valueof']) + if (is_array($attrib) && !$sa_attrib && !$attrib['valueof']) { $sa_attrib = $attrib; - else if (!is_array($attrib) && is_array($sa_attrib)) + } + else if (!is_array($attrib) && is_array($sa_attrib)) { $attrib = $sa_attrib; + } if (!isset($MESSAGE)) { return false; @@ -1026,10 +1042,12 @@ } else if ($hkey == 'priority') { if ($value) { - $header_value = html::span('prio' . $value, rcmail_localized_priority($value)); + $header_value = html::span('prio' . $value, rcube::Q(rcmail_localized_priority($value))); + $ishtml = true; } - else + else { continue; + } } else if ($hkey == 'replyto') { if ($headers['replyto'] != $headers['from']) { @@ -1037,8 +1055,9 @@ $attrib['addicon'], $headers['charset'], $header_title); $ishtml = true; } - else + else { continue; + } } else if ($hkey == 'mail-reply-to') { if ($headers['mail-replyto'] != $headers['reply-to'] @@ -1048,8 +1067,9 @@ $attrib['addicon'], $headers['charset'], $header_title); $ishtml = true; } - else + else { continue; + } } else if ($hkey == 'sender') { if ($headers['sender'] != $headers['from']) { @@ -1057,8 +1077,9 @@ $attrib['addicon'], $headers['charset'], $header_title); $ishtml = true; } - else + else { continue; + } } else if ($hkey == 'mail-followup-to') { $header_value = rcmail_address_string($value, $attrib['max'], true, @@ -1095,14 +1116,15 @@ // single header value is requested if (!empty($attrib['valueof'])) { - return rcube::Q($plugin['output'][$attrib['valueof']]['value'], ($attrib['valueof'] == 'subject' ? 'strict' : 'show')); + $row = $plugin['output'][$attrib['valueof']]; + return $row['html'] ? $row['value'] : rcube::Q($row['value']); } // compose html table $table = new html_table(array('cols' => 2)); foreach ($plugin['output'] as $hkey => $row) { - $val = $row['html'] ? $row['value'] : rcube::Q($row['value'], ($hkey == 'subject' ? 'strict' : 'show')); + $val = $row['html'] ? $row['value'] : rcube::Q($row['value']); $table->add(array('class' => 'header-title'), rcube::Q($row['title'])); $table->add(array('class' => 'header '.$hkey), $val); @@ -1190,7 +1212,16 @@ // unsupported (e.g. encrypted) if ($part->realtype) { if ($part->realtype == 'multipart/encrypted' || $part->realtype == 'application/pkcs7-mime') { - $out .= html::span('part-notice', $RCMAIL->gettext('encryptedmessage')); + if (!empty($_SESSION['browser_caps']['pgpmime']) && ($pgp_mime_part = $MESSAGE->get_multipart_encrypted_part())) { + $out .= html::span('part-notice', $RCMAIL->gettext('externalmessagedecryption')); + $OUTPUT->set_env('pgp_mime_part', $pgp_mime_part->mime_id); + $OUTPUT->set_env('pgp_mime_container', '#' . $attrib['id']); + $OUTPUT->add_label('loadingdata'); + } + + if (!$MESSAGE->encrypted_part) { + $out .= html::span('part-notice', $RCMAIL->gettext('encryptedmessage')); + } } continue; } @@ -1210,18 +1241,14 @@ // fetch part body $body = $MESSAGE->get_part_body($part->mime_id, true); - // extract headers from message/rfc822 parts - if ($part->mimetype == 'message/rfc822') { - $msgpart = rcube_mime::parse_message($body); - if (!empty($msgpart->headers)) { - $part = $msgpart; - $out .= html::div('message-partheaders', rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : null, $part->headers)); - } - } - // message is cached but not exists (#1485443), or other error if ($body === false) { rcmail_message_error($MESSAGE->uid); + } + + // check if the message body is PGP encrypted + if (strpos($body, '-----BEGIN PGP MESSAGE-----') !== false) { + $OUTPUT->set_env('is_pgp_content', '#message-part' . ($part_no + 1)); } $plugin = $RCMAIL->plugins->exec_hook('message_body_prefix', @@ -1244,8 +1271,11 @@ $out .= html::div($div_attr, $plugin['prefix'] . $body); } - else - $out .= html::div('message-part', $plugin['prefix'] . $body); + else { + $container_id = 'message-part' . (++$part_no); + $div_attr = array('class' => 'message-part', 'id' => $container_id); + $out .= html::div($div_attr, $plugin['prefix'] . $body); + } } } } @@ -1603,7 +1633,7 @@ $content = rcube::Q($name ? sprintf('%s <%s>', $name, $mailto) : $mailto); } else { - $content = rcube::Q($name ? $name : $mailto); + $content = rcube::Q($name ?: $mailto); $attrs['title'] = $mailto; } @@ -1611,7 +1641,7 @@ } else { $address = html::span(array('title' => $mailto, 'class' => "rcmContactAddress"), - rcube::Q($name ? $name : $mailto)); + rcube::Q($name ?: $mailto)); } if ($addicon && $_SESSION['writeable_abook']) { @@ -1797,6 +1827,7 @@ 'Message-ID' => $RCMAIL->gen_message_id(), 'X-Sender' => $identity['email'], 'References' => trim($message->headers->references . ' ' . $message->headers->messageID), + 'In-Reply-To' => $message->headers->messageID, ); $report = "Final-Recipient: rfc822; {$identity['email']}\r\n" @@ -1812,20 +1843,21 @@ $report .= "Reporting-UA: $agent\r\n"; } + $to = rcube_mime::decode_mime_string($message->headers->to, $message->headers->charset); + $date = $RCMAIL->format_date($message->headers->date, $RCMAIL->config->get('date_long')); $body = $RCMAIL->gettext("yourmessage") . "\r\n\r\n" . - "\t" . $RCMAIL->gettext("to") . ': ' . rcube_mime::decode_mime_string($message->headers->to, $message->headers->charset) . "\r\n" . - "\t" . $RCMAIL->gettext("subject") . ': ' . $message->subject . "\r\n" . - "\t" . $RCMAIL->gettext("date") . ': ' . $RCMAIL->format_date($message->headers->date, $RCMAIL->config->get('date_long')) . "\r\n" . + "\t" . $RCMAIL->gettext("to") . ": {$to}\r\n" . + "\t" . $RCMAIL->gettext("subject") . ": {$message->subject}\r\n" . + "\t" . $RCMAIL->gettext("date") . ": {$date}\r\n" . "\r\n" . $RCMAIL->gettext("receiptnote"); - $compose->headers($headers); + $compose->headers(array_filter($headers)); $compose->setContentType('multipart/report', array('report-type'=> 'disposition-notification')); $compose->setTXTBody(rcube_mime::wordwrap($body, 75, "\r\n")); $compose->addAttachment($report, 'message/disposition-notification', 'MDNPart2.txt', false, '7bit', 'inline'); - if ($RCMAIL->config->get('mdn_use_from')) { - $options['mdn_use_from'] = true; - } + // SMTP options + $options = array('mdn_use_from' => (bool) $RCMAIL->config->get('mdn_use_from')); $sent = $RCMAIL->deliver_message($compose, $identity['email'], $mailto, $smtp_error, $body_file, $options); @@ -2006,8 +2038,9 @@ { global $RCMAIL; - if (!strlen($attrib['id'])) + if (!strlen($attrib['id'])) { $attrib['id'] = 'rcmlistfilter'; + } $attrib['onchange'] = rcmail_output::JS_OBJECT_NAME.'.filter_mailbox(this.value)'; @@ -2021,27 +2054,45 @@ $attachment .= ' HEADER Content-Type ' . rcube_imap_generic::escape($type); } - $select_filter = new html_select($attrib); - $select_filter->add($RCMAIL->gettext('all'), 'ALL'); - $select_filter->add($RCMAIL->gettext('unread'), 'UNSEEN'); - $select_filter->add($RCMAIL->gettext('flagged'), 'FLAGGED'); - $select_filter->add($RCMAIL->gettext('unanswered'), 'UNANSWERED'); + $select = new html_select($attrib); + $select->add($RCMAIL->gettext('all'), 'ALL'); + $select->add($RCMAIL->gettext('unread'), 'UNSEEN'); + $select->add($RCMAIL->gettext('flagged'), 'FLAGGED'); + $select->add($RCMAIL->gettext('unanswered'), 'UNANSWERED'); if (!$RCMAIL->config->get('skip_deleted')) { - $select_filter->add($RCMAIL->gettext('deleted'), 'DELETED'); - $select_filter->add($RCMAIL->gettext('undeleted'), 'UNDELETED'); + $select->add($RCMAIL->gettext('deleted'), 'DELETED'); + $select->add($RCMAIL->gettext('undeleted'), 'UNDELETED'); } - $select_filter->add($RCMAIL->gettext('withattachment'), $attachment); - $select_filter->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('highest'), 'HEADER X-PRIORITY 1'); - $select_filter->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('high'), 'HEADER X-PRIORITY 2'); - $select_filter->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('normal'), 'NOT HEADER X-PRIORITY 1 NOT HEADER X-PRIORITY 2 NOT HEADER X-PRIORITY 4 NOT HEADER X-PRIORITY 5'); - $select_filter->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('low'), 'HEADER X-PRIORITY 4'); - $select_filter->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('lowest'), 'HEADER X-PRIORITY 5'); - - $out = $select_filter->show($_REQUEST['_search'] ? $_SESSION['search_filter'] : 'ALL'); + $select->add($RCMAIL->gettext('withattachment'), $attachment); + $select->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('highest'), 'HEADER X-PRIORITY 1'); + $select->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('high'), 'HEADER X-PRIORITY 2'); + $select->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('normal'), 'NOT HEADER X-PRIORITY 1 NOT HEADER X-PRIORITY 2 NOT HEADER X-PRIORITY 4 NOT HEADER X-PRIORITY 5'); + $select->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('low'), 'HEADER X-PRIORITY 4'); + $select->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('lowest'), 'HEADER X-PRIORITY 5'); $RCMAIL->output->add_gui_object('search_filter', $attrib['id']); - return $out; + return $select->show($_REQUEST['_search'] ? $_SESSION['search_filter'] : 'ALL'); +} + +function rcmail_search_interval($attrib) +{ + global $RCMAIL; + + if (!strlen($attrib['id'])) { + $attrib['id'] = 'rcmsearchinterval'; + } + + $select = new html_select($attrib); + $select->add('', ''); + + foreach (array('1W', '1M', '1Y', '-1W', '-1M', '-1Y') as $value) { + $select->add($RCMAIL->gettext('searchinterval' . $value), $value); + } + + $RCMAIL->output->add_gui_object('search_interval', $attrib['id']); + + return $select->show($_REQUEST['_search'] ? $_SESSION['search_interval'] : ''); } function rcmail_message_error() @@ -2157,3 +2208,93 @@ return $jsresult; } + +function rcmail_save_attachment($message, $pid, $compose_id, $params = array()) +{ + global $COMPOSE; + + $rcmail = rcmail::get_instance(); + $storage = $rcmail->get_storage(); + + if ($pid) { + // attachment requested + $part = $message->mime_parts[$pid]; + $size = $part->size; + $mimetype = $part->ctype_primary . '/' . $part->ctype_secondary; + $filename = $params['filename'] ?: rcmail_attachment_name($part); + } + else { + // the whole message requested + $size = $message->size; + $mimetype = 'message/rfc822'; + $filename = $params['filename'] ?: 'message_rfc822.eml'; + } + + // don't load too big attachments into memory + if (!rcube_utils::mem_check($size)) { + $temp_dir = unslashify($rcmail->config->get('temp_dir')); + $path = tempnam($temp_dir, 'rcmAttmnt'); + + if ($fp = fopen($path, 'w')) { + if ($pid) { + // part body + $message->get_part_body($pid, false, 0, $fp); + } + else { + // complete message + $storage->get_raw_body($message->uid, $fp); + } + + fclose($fp); + } + else { + return false; + } + } + else if ($pid) { + // part body + $data = $message->get_part_body($pid); + } + else { + // complete message + $data = $storage->get_raw_body($message->uid); + } + + $attachment = array( + 'group' => $compose_id, + 'name' => $filename, + 'mimetype' => $mimetype, + 'content_id' => $part ? $part->content_id : null, + 'data' => $data, + 'path' => $path, + 'size' => $path ? filesize($path) : strlen($data), + 'charset' => $part ? $part->charset : null, + ); + + $attachment = $rcmail->plugins->exec_hook('attachment_save', $attachment); + + if ($attachment['status']) { + unset($attachment['data'], $attachment['status'], $attachment['content_id'], $attachment['abort']); + + // rcube_session::append() replaces current session data with the old values + // (in rcube_session::reload()). This is a problem in 'compose' action, because before + // the first append() use we set some important data in the session. + // It also overwrites attachments list. Fixing reload() is not so simple if possible + // as we don't really know what has been added and what removed in meantime. + // So, for now we'll do not use append() on 'compose' action (#1490608). + + if ($rcmail->action == 'compose') { + $COMPOSE['attachments'][$attachment['id']] = $attachment; + } + else { + $rcmail->session->append('compose_data_' . $compose_id . '.attachments', $attachment['id'], $attachment); + } + + return $attachment; + } + else if ($path) { + @unlink($path); + } + + return false; +} -- Gitblit v1.9.1