From 29c54229cfbc104930e7743cecc212f53aed8a15 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Mon, 28 Feb 2011 12:33:26 -0500
Subject: [PATCH] - Fix parsing links with non-printable characters inside (#1487805)

---
 program/steps/mail/func.inc |  206 +++++++++++++++++++++++++--------------------------
 1 files changed, 102 insertions(+), 104 deletions(-)

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 747dce5..0903176 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -5,7 +5,7 @@
  | program/steps/mail/func.inc                                           |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2010, Roundcube Dev. - Switzerland                 |
+ | Copyright (C) 2005-2010, The Roundcube Dev Team                       |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -56,9 +56,9 @@
 
 // set default sort col/order to session
 if (!isset($_SESSION['sort_col']))
-  $_SESSION['sort_col'] = $CONFIG['message_sort_col'];
+  $_SESSION['sort_col'] = !empty($CONFIG['message_sort_col']) ? $CONFIG['message_sort_col'] : '';
 if (!isset($_SESSION['sort_order']))
-  $_SESSION['sort_order'] = $CONFIG['message_sort_order'];
+  $_SESSION['sort_order'] = strtoupper($CONFIG['message_sort_order']) == 'ASC' ? 'ASC' : 'DESC';
 
 // set threads mode
 $a_threading = $RCMAIL->config->get('message_threading', array());
@@ -102,14 +102,10 @@
   // set current mailbox and some other vars in client environment
   $OUTPUT->set_env('mailbox', $mbox_name);
   $OUTPUT->set_env('pagesize', $IMAP->page_size);
-  $OUTPUT->set_env('quota', $IMAP->get_capability('quota'));
+  $OUTPUT->set_env('quota', $IMAP->get_capability('QUOTA'));
   $OUTPUT->set_env('delimiter', $IMAP->get_hierarchy_delimiter());
   $OUTPUT->set_env('threading', (bool) $IMAP->threading);
-  $OUTPUT->set_env('threads', $IMAP->threading
-	|| $IMAP->get_capability('thread=references')
-        || $IMAP->get_capability('thread=orderedsubject')
-        || $IMAP->get_capability('thread=refs')  
-  );
+  $OUTPUT->set_env('threads', $IMAP->threading || $IMAP->get_capability('THREAD'));
 
   if ($CONFIG['flag_for_deletion'])
     $OUTPUT->set_env('flag_for_deletion', true);
@@ -277,7 +273,7 @@
       if (in_array($col, array('from', 'to', 'cc', 'replyto')))
         $cont = Q(rcmail_address_string($header->$col, 3), 'show');
       else if ($col=='subject') {
-        $cont = abbreviate_string(trim($IMAP->decode_header($header->$col)), 160);
+        $cont = trim($IMAP->decode_header($header->$col));
         if (!$cont) $cont = rcube_label('nosubject');
         $cont = Q($cont);
       }
@@ -436,65 +432,6 @@
   }
 
 
-function rcmail_quota_display($attrib)
-  {
-  global $OUTPUT;
-
-  if (!$attrib['id'])
-    $attrib['id'] = 'rcmquotadisplay';
-
-  if(isset($attrib['display']))
-    $_SESSION['quota_display'] = $attrib['display'];
-
-  $OUTPUT->add_gui_object('quotadisplay', $attrib['id']);
-
-  $quota = rcmail_quota_content($attrib);
-
-  $OUTPUT->add_script('$(document).ready(function(){
-	rcmail.set_quota('.json_serialize($quota).')});', 'foot');
-
-  return html::span($attrib, '');
-  }
-
-
-function rcmail_quota_content($attrib=NULL)
-  {
-  global $COMM_PATH, $RCMAIL;
-
-  $quota = $RCMAIL->imap->get_quota();
-  $quota = $RCMAIL->plugins->exec_hook('quota', $quota);
-
-  $quota_result = (array) $quota;
-  $quota_result['type'] = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';
-
-  if (!$quota['total'] && $RCMAIL->config->get('quota_zero_as_unlimited')) {
-    $quota_result['title'] = rcube_label('unlimited');
-    $quota_result['percent'] = 0;
-    }
-  else if ($quota['total']) {
-    if (!isset($quota['percent']))
-      $quota_result['percent'] = min(100, round(($quota['used']/max(1,$quota['total']))*100));
-
-    $title = sprintf('%s / %s (%.0f%%)',
-        show_bytes($quota['used'] * 1024), show_bytes($quota['total'] * 1024),
-        $quota_result['percent']);
-
-    $quota_result['title'] = $title;
-
-    if ($attrib['width'])
-      $quota_result['width'] = $attrib['width'];
-    if ($attrib['height'])
-      $quota_result['height']	= $attrib['height'];
-    }
-  else {
-    $quota_result['title'] = rcube_label('unknown');
-    $quota_result['percent'] = 0;
-    }
-
-  return $quota_result;
-  }
-
-
 function rcmail_get_messagecount_text($count=NULL, $page=NULL)
   {
   global $RCMAIL, $IMAP;
@@ -545,7 +482,7 @@
 {
   global $RCMAIL;
 
-  $old_unseen = $_SESSION['unseen_count'][$mbox_name];
+  $old_unseen = rcmail_get_unseen_count($mbox_name);
 
   if ($count === null)
     $unseen = $RCMAIL->imap->messagecount($mbox_name, 'UNSEEN', $force);
@@ -555,10 +492,30 @@
   if ($unseen != $old_unseen || ($mbox_name == 'INBOX'))
     $RCMAIL->output->command('set_unread_count', $mbox_name, $unseen, ($mbox_name == 'INBOX'));
 
-  // @TODO: this data is doubled (session and cache tables) if caching is enabled
-  $_SESSION['unseen_count'][$mbox_name] = $unseen;
+  rcmail_set_unseen_count($mbox_name, $unseen);
 
   return $unseen;
+}
+
+
+function rcmail_set_unseen_count($mbox_name, $count)
+{
+  // @TODO: this data is doubled (session and cache tables) if caching is enabled
+
+  // Make sure we have an array here (#1487066)
+  if (!is_array($_SESSION['unseen_count']))
+    $_SESSION['unseen_count'] = array();
+
+  $_SESSION['unseen_count'][$mbox_name] = $count;
+}
+
+
+function rcmail_get_unseen_count($mbox_name)
+{
+  if (is_array($_SESSION['unseen_count']) && array_key_exists($mbox_name, $_SESSION['unseen_count']))
+    return $_SESSION['unseen_count'][$mbox_name];
+  else
+    return null;
 }
 
 
@@ -708,7 +665,8 @@
 
   // trigger plugin hook
   $data = $RCMAIL->plugins->exec_hook('message_part_before',
-    array('type' => $part->ctype_secondary, 'body' => $part->body) + $p + array('safe' => false, 'plain' => false, 'inline_html' => true));
+    array('type' => $part->ctype_secondary, 'body' => $part->body, 'id' => $part->mime_id)
+        + $p + array('safe' => false, 'plain' => false, 'inline_html' => true));
 
   // convert html to text/plain
   if ($data['type'] == 'html' && $data['plain']) {
@@ -741,7 +699,8 @@
     $body = rcmail_plain_body($body, $part->ctype_parameters['format'] == 'flowed');
 
   // allow post-processing of the message body
-  $data = $RCMAIL->plugins->exec_hook('message_part_after', array('type' => $part->ctype_secondary, 'body' => $body) + $data);
+  $data = $RCMAIL->plugins->exec_hook('message_part_after',
+    array('type' => $part->ctype_secondary, 'body' => $body, 'id' => $part->mime_id) + $data);
 
   return $data['type'] == 'html' ? $data['body'] : html::tag('pre', array(), $data['body']);
 }
@@ -831,8 +790,12 @@
     $quote_level = $q;
   }
 
-  // quote plain text
-  $body = Q(join("\n", $a_lines), 'dummy', false);
+  $body = join("\n", $a_lines);
+
+  // quote plain text (don't use Q() here, to display entities "as is")
+  $table = get_html_translation_table(HTML_SPECIALCHARS);
+  unset($table['?']);
+  $body = strtr($body, $table);
 
   // colorize signature (up to <sig_max_lines> lines)
   $len = strlen($body);
@@ -866,10 +829,10 @@
 
     case 'style':
       // decode all escaped entities and reduce to ascii strings
-      $stripped = preg_replace('/[^a-zA-Z\(:]/', '', rcmail_xss_entity_decode($content));
+      $stripped = preg_replace('/[^a-zA-Z\(:;]/', '', rcmail_xss_entity_decode($content));
 
       // now check for evil strings like expression, behavior or url()
-      if (!preg_match('/expression|behavior|url\(|import/', $stripped)) {
+      if (!preg_match('/expression|behavior|url\(|import[^a]/', $stripped)) {
         $out = html::tag('style', array('type' => 'text/css'), $content);
         break;
       }
@@ -962,10 +925,14 @@
     else
       $header_value = trim($IMAP->decode_header($value));
 
-    $output_headers[$hkey] = array('title' => rcube_label($hkey), 'value' => $header_value, 'raw' => $value);
+    $output_headers[$hkey] = array(
+        'title' => rcube_label(preg_replace('/(^mail-|-)/', '', $hkey)),
+        'value' => $header_value, 'raw' => $value
+    );
   }
 
-  $plugin = $RCMAIL->plugins->exec_hook('message_headers_output', array('output' => $output_headers, 'headers' => $MESSAGE->headers));
+  $plugin = $RCMAIL->plugins->exec_hook('message_headers_output',
+    array('output' => $output_headers, 'headers' => $MESSAGE->headers));
 
   // compose html table
   $table = new html_table(array('cols' => 2));
@@ -975,16 +942,25 @@
     $table->add(array('class' => 'header '.$hkey), Q($row['value'], ($hkey == 'subject' ? 'strict' : 'show')));
   }
 
-  // all headers division
-  $table->add(array('colspan' => 2, 'class' => "more-headers show-headers", 'onclick' => "return ".JS_OBJECT_NAME.".command('load-headers','',this)"), '');
-  $table->add_row(array('id' => "all-headers"));
-  $table->add(array('colspan' => 2, 'class' => "all"), html::div(array('id' => 'headers-source'), ''));
+  return $table->show($attrib);
+}
+
+
+/**
+ * return block to show full message headers
+ */
+function rcmail_message_full_headers($attrib, $headers=NULL)
+{
+  global $OUTPUT;
+  
+  $html = html::div(array('class' => "more-headers show-headers", 'onclick' => "return ".JS_OBJECT_NAME.".command('load-headers','',this)"), '');
+  $html .= html::div(array('id' => "all-headers", 'class' => "all", 'style' => 'display:none'), html::div(array('id' => 'headers-source'), ''));
   
   $OUTPUT->add_gui_object('all_headers_row', 'all-headers');
   $OUTPUT->add_gui_object('all_headers_box', 'headers-source');
-
-  return $table->show($attrib);
-  }
+  
+  return html::div($attrib, $html);
+}
 
 
 /**
@@ -1174,20 +1150,22 @@
   $attributes = array();
 
   // Handle body attributes that doesn't play nicely with div elements
-  if (preg_match('/<div class="' . preg_quote($body_id, '/') . '" ([^>]+)/', $body, $m)) {
+  $regexp = '/<div class="' . preg_quote($body_id, '/') . '"([^>]*)/';
+  if (preg_match($regexp, $body, $m)) {
     $attrs = $m[0];
     // Get bgcolor, we'll set it as background-color of the message container
-    if (preg_match('/bgcolor=["\']*([a-z0-9#]+)["\']*/', $attrs, $mb)) {
+    if ($m[1] && preg_match('/bgcolor=["\']*([a-z0-9#]+)["\']*/', $attrs, $mb)) {
       $attributes['background-color'] = $mb[1];
       $attrs = preg_replace('/bgcolor=["\']*([a-z0-9#]+)["\']*/', '', $attrs);
     }
     // Get background, we'll set it as background-image of the message container
-    if (preg_match('/background=["\']*([^"\'>\s]+)["\']*/', $attrs, $mb)) {
+    if ($m[1] && preg_match('/background=["\']*([^"\'>\s]+)["\']*/', $attrs, $mb)) {
       $attributes['background-image'] = 'url('.$mb[1].')';
       $attrs = preg_replace('/background=["\']*([^"\'>\s]+)["\']*/', '', $attrs);
     }
-    if (!empty($attributes))
-      $body = preg_replace('/<div class="' . preg_quote($body_id, '/') . '" [^>]+/', rtrim($attrs), $body, 1);
+    if (!empty($attributes)) {
+      $body = preg_replace($regexp, rtrim($attrs), $body, 1);
+    }
 
     // handle body styles related to background image
     if ($attributes['background-image']) {
@@ -1203,8 +1181,9 @@
   }
   // make sure there's 'rcmBody' div, we need it for proper css modification
   // its name is hardcoded in rcmail_message_body() also
-  else
+  else {
     $body = '<div class="' . $body_id . '">' . $body . '</div>';
+  }
 
   return $body;
 }
@@ -1215,15 +1194,19 @@
  */
 function rcmail_alter_html_link($matches)
 {
-  global $EMAIL_ADDRESS_PATTERN;
+  global $RCMAIL, $EMAIL_ADDRESS_PATTERN;
 
   $tag = $matches[1];
   $attrib = parse_attrib_string($matches[2]);
   $end = '>';
 
+  // Remove non-printable characters in URL (#1487805)
+  $attrib['href'] = preg_replace('/[\x00-\x1F]/', '', $attrib['href']);
+
   if ($tag == 'link' && preg_match('/^https?:\/\//i', $attrib['href'])) {
-    $attrib['href'] = "?_task=utils&amp;_action=modcss&amp;u=" . urlencode($attrib['href'])
-        . "&amp;c=" . urlencode($GLOBALS['rcmail_html_container_id']);
+    $tempurl = 'tmp-' . md5($attrib['href']) . '.css';
+    $_SESSION['modcssurls'][$tempurl] = $attrib['href'];
+    $attrib['href'] = $RCMAIL->url(array('task' => 'utils', 'action' => 'modcss', 'u' => $tempurl, 'c' => $GLOBALS['rcmail_html_container_id']));
     $end = ' />';
   }
   else if (preg_match('/^mailto:'.$EMAIL_ADDRESS_PATTERN.'(\?[^"\'>]+)?/i', $attrib['href'], $mailto)) {
@@ -1271,17 +1254,17 @@
 
     // IDNA ASCII to Unicode
     if ($name == $mailto)
-      $name = idn_to_utf8($name);
+      $name = rcube_idn_to_utf8($name);
     if ($string == $mailto)
-      $string = idn_to_utf8($string);
-    $mailto = idn_to_utf8($mailto);
+      $string = rcube_idn_to_utf8($string);
+    $mailto = rcube_idn_to_utf8($mailto);
 
     if ($PRINT_MODE) {
       $out .= sprintf('%s &lt;%s&gt;', Q($name), $mailto);
     }
     else if (check_email($part['mailto'], false)) {
       if ($linked) {
-        $out .= html::a(array(
+        $address = html::a(array(
             'href' => 'mailto:'.$mailto,
             'onclick' => sprintf("return %s.command('compose','%s',this)", JS_OBJECT_NAME, JQ($mailto)),
             'title' => $mailto,
@@ -1290,12 +1273,12 @@
         Q($name ? $name : $mailto));
       }
       else {
-        $out .= html::span(array('title' => $mailto, 'class' => "rcmContactAddress"),
+        $address = html::span(array('title' => $mailto, 'class' => "rcmContactAddress"),
           Q($name ? $name : $mailto));
       }
 
       if ($addicon && $got_writable_abook) {
-        $out .= '&nbsp;' . html::a(array(
+        $address = html::span(null, $address . html::a(array(
             'href' => "#add",
             'onclick' => sprintf("return %s.command('add-contact','%s',this)", JS_OBJECT_NAME, urlencode($string)),
             'title' => rcube_label('addtoaddressbook'),
@@ -1303,8 +1286,9 @@
           html::img(array(
             'src' => $CONFIG['skin_path'] . $addicon,
             'alt' => "Add contact",
-          )));
+          ))));
       }
+      $out .= $address;
     }
     else {
       if ($name)
@@ -1781,6 +1765,7 @@
   'quotadisplay' => 'rcmail_quota_display',
   'mailboxname' => 'rcmail_mailbox_name_display',
   'messageheaders' => 'rcmail_message_headers',
+  'messagefullheaders' => 'rcmail_message_full_headers',
   'messagebody' => 'rcmail_message_body',
   'messagecontentframe' => 'rcmail_messagecontent_frame',
   'messagepartframe' => 'rcmail_message_part_frame',
@@ -1789,4 +1774,17 @@
   'searchform' => array($OUTPUT, 'search_form'),
 ));
 
-
+// register action aliases
+$RCMAIL->register_action_map(array(
+    'preview' => 'show.inc',
+    'print'   => 'show.inc',
+    'moveto'  => 'move_del.inc',
+    'delete'  => 'move_del.inc',
+    'send'    => 'sendmail.inc',
+    'expunge' => 'folders.inc',
+    'purge'   => 'folders.inc',
+    'remove-attachment'  => 'attachments.inc',
+    'display-attachment' => 'attachments.inc',
+    'upload'             => 'attachments.inc',
+    'group-expand'       => 'autocomplete.inc',
+));

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