From b48d9bf5d412a6f56f3f9ba4bad141ddfe175727 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Mon, 07 Sep 2009 08:51:21 -0400
Subject: [PATCH] - Use faster/secure mt_rand() (#1486094)

---
 program/steps/mail/compose.inc |  523 +++++++++++++++++++++++++++++++--------------------------
 1 files changed, 287 insertions(+), 236 deletions(-)

diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc
index 830168c..8b821c8 100644
--- a/program/steps/mail/compose.inc
+++ b/program/steps/mail/compose.inc
@@ -5,7 +5,7 @@
  | program/steps/mail/compose.inc                                        |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2005-2008, RoundCube Dev. - Switzerland                 |
+ | Copyright (C) 2005-2009, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -23,34 +23,7 @@
 define('RCUBE_COMPOSE_REPLY', 0x0106);
 define('RCUBE_COMPOSE_FORWARD', 0x0107);
 define('RCUBE_COMPOSE_DRAFT', 0x0108);
-
-
-// remove an attachment
-if ($RCMAIL->action=='remove-attachment' && preg_match('/^rcmfile([0-9]+)$/', $_POST['_file'], $regs))
-{
-  $id = $regs[1];
-  if (is_array($_SESSION['compose']['attachments'][$id]))
-  {
-    @unlink($_SESSION['compose']['attachments'][$id]['path']);
-    unset($_SESSION['compose']['attachments'][$id]);
-    $OUTPUT->command('remove_from_attachment_list', "rcmfile$id");
-    $OUTPUT->send();
-  }
-  exit;
-}
-
-if ($RCMAIL->action=='display-attachment' && preg_match('/^rcmfile([0-9]+)$/', $_GET['_file'], $regs))
-{
-  $id = $regs[1];
-  if (is_array($_SESSION['compose']['attachments'][$id]))
-  {
-    $apath = $_SESSION['compose']['attachments'][$id]['path'];
-    header('Content-Type: ' . $_SESSION['compose']['attachments'][$id]['mimetype']);
-    header('Content-Length: ' . filesize($apath));
-    readfile($apath);
-  }
-  exit;
-}
+define('RCUBE_COMPOSE_EDIT', 0x0109);
 
 $MESSAGE_FORM = NULL;
 $MESSAGE = NULL;
@@ -63,16 +36,53 @@
 if (!is_array($_SESSION['compose']) || $_SESSION['compose']['id'] != get_input_value('_id', RCUBE_INPUT_GET))
 {
   rcmail_compose_cleanup();
-  $_SESSION['compose'] = array('id' => uniqid(rand()), 'param' => array_map('strip_tags', $_GET));
+  $_SESSION['compose'] = array(
+    'id' => uniqid(mt_rand()),
+    'param' => request2param(RCUBE_INPUT_GET),
+    'mailbox' => $IMAP->get_mailbox_name(),
+  );
   
   // process values like "mailto:foo@bar.com?subject=new+message&cc=another"
-  if ($_SESSION['compose']['param']['_to']) {
-    $mailto = explode('?', $_SESSION['compose']['param']['_to']);
+  if ($_SESSION['compose']['param']['to']) {
+    $mailto = explode('?', $_SESSION['compose']['param']['to']);
     if (count($mailto) > 1) {
-      $_SESSION['compose']['param']['_to'] = $mailto[0];
+      $_SESSION['compose']['param']['to'] = $mailto[0];
       parse_str($mailto[1], $query);
       foreach ($query as $f => $val)
-        $_SESSION['compose']['param']["_$f"] = $val;
+        $_SESSION['compose']['param'][$f] = $val;
+    }
+  }
+  
+  // pipe compose parameters thru plugins
+  $plugin = $RCMAIL->plugins->exec_hook('message_compose', $_SESSION['compose']);
+  $_SESSION['compose']['param'] = $plugin['param'];
+  
+  // add attachments listed by message_compose hook
+  if (is_array($plugin['attachments'])) {
+    foreach ($plugin['attachments'] as $attach) {
+      // we have structured data
+      if (is_array($attach)) {
+        $attachment = $attach;
+      }
+      // only a file path is given
+      else {
+        $filename = basename($attach);
+        $attachment = array(
+          'name' => $filename,
+          'mimetype' => rc_mime_content_type($attach, $filename),
+          'path' => $attach
+        );
+      }
+      
+      // save attachment if valid
+      if (($attachment['data'] && $attachment['name']) || ($attachment['path'] && file_exists($attachment['path']))) {
+        $attachment = rcmail::get_instance()->plugins->exec_hook('save_attachment', $attachment);
+      }
+      
+      if ($attachment['status'] && !$attachment['abort']) {
+        unset($attachment['data'], $attachment['status'], $attachment['abort']);
+        $_SESSION['compose']['attachments'][$attachment['id']] = $attachment;
+      }
     }
   }
 
@@ -80,24 +90,37 @@
   $OUTPUT->redirect(array('_action' => 'compose', '_id' => $_SESSION['compose']['id']));
 }
 
+
 // add some labels to client
-rcube_add_label('nosubject', 'norecipientwarning', 'nosubjectwarning', 'nobodywarning', 'notsentwarning', 'savingmessage', 'sendingmessage', 'messagesaved', 'converting');
+$OUTPUT->add_label('nosubject', 'nosenderwarning', 'norecipientwarning', 'nosubjectwarning',
+    'nobodywarning', 'notsentwarning', 'savingmessage', 'sendingmessage', 'messagesaved',
+    'converting', 'editorwarning', 'searching');
 
-// add config parameter to client script
-$OUTPUT->set_env('draft_autosave', !empty($CONFIG['drafts_mbox']) ? $CONFIG['draft_autosave'] : 0);
-
+// add config parameters to client script
+if (!empty($CONFIG['drafts_mbox'])) {
+  $OUTPUT->set_env('drafts_mailbox', $CONFIG['drafts_mbox']);
+  $OUTPUT->set_env('draft_autosave', $CONFIG['draft_autosave']);
+}
+// set current mailbox in client environment
+$OUTPUT->set_env('mailbox', $IMAP->get_mailbox_name());
 
 // get reference message and set compose mode
-if ($msg_uid = $_SESSION['compose']['param']['_reply_uid'])
+if ($msg_uid = $_SESSION['compose']['param']['reply_uid'])
   $compose_mode = RCUBE_COMPOSE_REPLY;
-else if ($msg_uid = $_SESSION['compose']['param']['_forward_uid'])
+else if ($msg_uid = $_SESSION['compose']['param']['forward_uid'])
   $compose_mode = RCUBE_COMPOSE_FORWARD;
-else if ($msg_uid = $_SESSION['compose']['param']['_draft_uid'])
+else if ($msg_uid = $_SESSION['compose']['param']['uid'])
+  $compose_mode = RCUBE_COMPOSE_EDIT;
+else if ($msg_uid = $_SESSION['compose']['param']['draft_uid']) {
+  $RCMAIL->imap->set_mailbox($CONFIG['drafts_mbox']);
   $compose_mode = RCUBE_COMPOSE_DRAFT;
+}
 
 if (!empty($msg_uid))
 {
   // similar as in program/steps/mail/show.inc
+  // re-set 'prefer_html' to have possibility to use html part for compose
+  $CONFIG['prefer_html'] = $CONFIG['htmleditor'] || $compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT;
   $MESSAGE = new rcube_message($msg_uid);
   
   if (!empty($MESSAGE->headers->charset))
@@ -109,7 +132,7 @@
     $_SESSION['compose']['reply_msgid'] = $MESSAGE->headers->messageID;
     $_SESSION['compose']['references']  = trim($MESSAGE->headers->references . " " . $MESSAGE->headers->messageID);
 
-    if (!empty($_SESSION['compose']['param']['_all']))
+    if (!empty($_SESSION['compose']['param']['all']))
       $MESSAGE->reply_all = 1;
   }
   else if ($compose_mode == RCUBE_COMPOSE_DRAFT)
@@ -149,23 +172,23 @@
 
     case 'to':
       $fname = '_to';
-      $header = 'to';
+      $header = $param = 'to';
       
       // we have a set of recipients stored is session
-      if (($mailto_id = $_SESSION['compose']['param']['_mailto']) && $_SESSION['mailto'][$mailto_id])
+      if (($mailto_id = $_SESSION['compose']['param']['mailto']) && $_SESSION['mailto'][$mailto_id])
         $fvalue = urldecode($_SESSION['mailto'][$mailto_id]);
       
     case 'cc':
       if (!$fname)
       {
         $fname = '_cc';
-        $header = 'cc';
+        $header = $param = 'cc';
       }
     case 'bcc':
       if (!$fname)
       {
         $fname = '_bcc';
-        $header = 'bcc';
+        $header = $param = 'bcc';
       }
         
       $allow_attrib = array('id', 'class', 'style', 'cols', 'rows', 'tabindex');
@@ -175,18 +198,19 @@
     case 'replyto':
     case 'reply-to':
       $fname = '_replyto';
+      $param = 'replyto';
       $allow_attrib = array('id', 'class', 'style', 'size', 'tabindex');
       $field_type = 'html_inputfield';
       break;
   }
  
-  if ($fname && !empty($_POST[$fname]))
+  if ($fname && !empty($_POST[$fname])) {
     $fvalue = get_input_value($fname, RCUBE_INPUT_POST, TRUE);
-  else if ($fname && !$fvalue && !empty($_SESSION['compose']['param'][$fname]))
-    $fvalue = $_SESSION['compose']['param'][$fname];
-
-  else if ($header && $compose_mode == RCUBE_COMPOSE_REPLY)
-  {
+  }
+  else if ($fname && !$fvalue && !empty($_SESSION['compose']['param'][$param])) {
+    $fvalue = $_SESSION['compose']['param'][$param];
+  }
+  else if ($header && $compose_mode == RCUBE_COMPOSE_REPLY) {
     // get recipent address(es) out of the message headers
     if ($header=='to' && !empty($MESSAGE->headers->replyto))
       $fvalue = $MESSAGE->headers->replyto;
@@ -213,10 +237,10 @@
       foreach ($to_addresses as $addr_part)
       {
         if (!empty($addr_part['mailto'])
-	    && !in_array($addr_part['mailto'], $sa_recipients)
-	    && (!$MESSAGE->compose_from
-		|| !in_array($addr_part['mailto'], $MESSAGE->compose_from)
-		|| count($to_addresses)==1)) // allow reply to yourself
+            && !in_array($addr_part['mailto'], $sa_recipients)
+            && (!$MESSAGE->compose_from
+                || !in_array_nocase($addr_part['mailto'], $MESSAGE->compose_from)
+                || (count($to_addresses)==1 && $header=='to'))) // allow reply to yourself
         {
           $fvalue .= (strlen($fvalue) ? ', ':'').$addr_part['string'];
           $sa_recipients[] = $addr_part['mailto'];
@@ -224,7 +248,7 @@
       }
     }
   }
-  else if ($header && $compose_mode == RCUBE_COMPOSE_DRAFT)
+  else if ($header && in_array($compose_mode, array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT)))
   {
     // get drafted headers
     if ($header=='to' && !empty($MESSAGE->headers->to))
@@ -279,7 +303,7 @@
     foreach ($a_to as $addr)
     {
       if (!empty($addr['mailto']))
-        $a_recipients[] = $addr['mailto'];
+        $a_recipients[] = mb_strtolower($addr['mailto']);
     }
 
     if (!empty($MESSAGE->headers->cc))
@@ -288,15 +312,15 @@
       foreach ($a_cc as $addr)
       {
         if (!empty($addr['mailto']))
-          $a_recipients[] = $addr['mailto'];
+          $a_recipients[] = mb_strtolower($addr['mailto']);
       }
     }
   }
 
   // get this user's identities
-  $sql_result = $USER->list_identities();
+  $user_identities = $USER->list_identities();
 
-  if ($DB->num_rows($sql_result))
+  if (count($user_identities))
   {
     $from_id = 0;
     $a_signatures = array();
@@ -304,37 +328,39 @@
     $field_attrib['onchange'] = JS_OBJECT_NAME.".change_identity(this)";
     $select_from = new html_select($field_attrib);
 
-    while ($sql_arr = $DB->fetch_assoc($sql_result))
+    foreach ($user_identities as $sql_arr)
     {
       $identity_id = $sql_arr['identity_id'];
       $select_from->add(format_email_recipient($sql_arr['email'], $sql_arr['name']), $identity_id);
 
       // add signature to array
-      if (!empty($sql_arr['signature']))
+      if (!empty($sql_arr['signature']) && empty($_SESSION['compose']['param']['nosig']))
       {
         $a_signatures[$identity_id]['text'] = $sql_arr['signature'];
         $a_signatures[$identity_id]['is_html'] = ($sql_arr['html_signature'] == 1) ? true : false;
         if ($a_signatures[$identity_id]['is_html'])
         {
             $h2t = new html2text($a_signatures[$identity_id]['text'], false, false);
-            $plainTextPart = $h2t->get_text();
-            $a_signatures[$identity_id]['plain_text'] = trim(html_entity_decode($plainTextPart, ENT_NOQUOTES, 'UTF-8'));
+            $a_signatures[$identity_id]['plain_text'] = trim($h2t->get_text());
         }
       }
-
-      // set identity if it's one of the reply-message recipients
-      if (in_array($sql_arr['email'], $a_recipients))
-        $from_id = $sql_arr['identity_id'];
 
       if ($compose_mode == RCUBE_COMPOSE_REPLY && is_array($MESSAGE->compose_from))
         $MESSAGE->compose_from[] = $sql_arr['email'];
 
-      if ($compose_mode == RCUBE_COMPOSE_DRAFT && strstr($MESSAGE->headers->from, $sql_arr['email']))
-        $from_id = $sql_arr['identity_id'];
+      if (empty($_POST['_from']))
+      {
+        // set draft's identity
+        if ($compose_mode == RCUBE_COMPOSE_DRAFT && strstr($MESSAGE->headers->from, $sql_arr['email']))
+          $from_id = $sql_arr['identity_id'];
+        // set identity if it's one of the reply-message recipients (with prio for default identity)
+        else if (in_array(mb_strtolower($sql_arr['email']), $a_recipients) && (empty($from_id) || $sql_arr['standard']))
+          $from_id = $sql_arr['identity_id'];
+      }
     }
 
     // overwrite identity selection with post parameter
-    if (isset($_POST['_from']))
+    if (!empty($_POST['_from']))
       $from_id = get_input_value('_from', RCUBE_INPUT_POST);
 
     $out = $select_from->show($from_id);
@@ -363,11 +389,11 @@
   unset($attrib['form']);
   
   if (empty($attrib['id']))
-    $attrib['id'] = 'rcmComposeMessage';
+    $attrib['id'] = 'rcmComposeBody';
 
   $attrib['name'] = '_message';
 
-  if ($CONFIG['htmleditor'])
+  if ($CONFIG['htmleditor'] || (($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) && $MESSAGE->has_html_part()))
     $isHtml = true;
   else
     $isHtml = false;
@@ -379,9 +405,14 @@
   {
     $body = get_input_value('_message', RCUBE_INPUT_POST, true);
   }
+  else if ($_SESSION['compose']['param']['body'])
+  {
+    $body = $_SESSION['compose']['param']['body'];
+    $isHtml = false;
+  }
   else if ($compose_mode)
   {
-    if ($isHtml && $MESSAGE->has_html_part())
+    if (($isHtml || $compose_mode == RCUBE_COMPOSE_DRAFT) && $MESSAGE->has_html_part())
     {
       $body = $MESSAGE->first_html_part();
       $isHtml = true;
@@ -391,7 +422,7 @@
       $body = $MESSAGE->first_text_part();
       $isHtml = false;
     }
-    
+
     // compose reply-body
     if ($compose_mode == RCUBE_COMPOSE_REPLY)
       $body = rcmail_create_reply_body($body, $isHtml);
@@ -399,31 +430,13 @@
     else if ($compose_mode == RCUBE_COMPOSE_FORWARD)
       $body = rcmail_create_forward_body($body, $isHtml);
     // load draft message body
-    else if ($compose_mode == RCUBE_COMPOSE_DRAFT)
+    else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT)
       $body = rcmail_create_draft_body($body, $isHtml);
-
-    if ($isHtml) {
-      // replace cid with href in inline images links
-      foreach ((array)$_SESSION['compose']['attachments'] as $pid => $attachment) {
-        if ($attachment['content_id']) {
-	  $body = str_replace('cid:'. $attachment['content_id'], 
-	    $OUTPUT->app->comm_path.'&_action=display-attachment&_file=rcmfile'.$pid, $body);
-        }
-      }
-    }
   }
-  else if (!empty($_SESSION['compose']['param']['_body']))
+  else if (!empty($_SESSION['compose']['param']['body']))
   {
-    $body = $_SESSION['compose']['param']['_body'];
+    $body = $_SESSION['compose']['param']['body'];
   }
-
-  $lang = $tinylang = strtolower(substr($_SESSION['language'], 0, 2));
-  if (!file_exists(INSTALL_PATH . 'program/js/tiny_mce/langs/'.$tinylang.'.js'))
-    $tinylang = 'en'; 
-
-  $OUTPUT->include_script('tiny_mce/tiny_mce.js');
-  $OUTPUT->include_script("editor.js");
-  $OUTPUT->add_script('rcmail_editor_init("$__skin_path", "'.JQ($tinylang).'", '.intval($CONFIG['enable_spellcheck']).');');
 
   $out = $form_start ? "$form_start\n" : '';
 
@@ -442,8 +455,16 @@
   $out .= $textarea->show($body);
   $out .= $form_end ? "\n$form_end" : '';
 
+  $OUTPUT->set_env('composebody', $attrib['id']);
+
+  // include HTML editor
+  rcube_html_editor();
+  
   // include GoogieSpell
   if (!empty($CONFIG['enable_spellcheck'])) {
+
+    $lang = strtolower(substr($_SESSION['language'], 0, 2));
+  
     $spellcheck_langs = (array)$RCMAIL->config->get('spellcheck_languages', array('da'=>'Dansk', 'de'=>'Deutsch', 'en' => 'English', 'es'=>'Español', 'fr'=>'Français', 'it'=>'Italiano', 'nl'=>'Nederlands', 'pl'=>'Polski', 'pt'=>'Português', 'fi'=>'Suomi', 'sv'=>'Svenska'));
     if (!$spellcheck_langs[$lang])
       $lang = 'en';
@@ -451,7 +472,7 @@
     $editor_lang_set = array();
     foreach ($spellcheck_langs as $key => $name) {
       $editor_lang_set[] = ($key == $lang ? '+' : '') . JQ($name).'='.JQ($key);
-    }
+      }
     
     $OUTPUT->include_script('googiespell.js');
     $OUTPUT->add_script(sprintf(
@@ -463,6 +484,7 @@
       "googie.lang_no_error_found = \"%s\";\n".
       "googie.setLanguages(%s);\n".
       "googie.setCurrentLanguage('%s');\n".
+      "googie.setSpellContainer('spellcheck-control');\n".
       "googie.decorateTextarea('%s');\n".
       "%s.set_env('spellcheck', googie);",
       $RCMAIL->comm_path,
@@ -476,7 +498,7 @@
       $attrib['id'],
       JS_OBJECT_NAME), 'foot');
 
-    rcube_add_label('checking');
+    $OUTPUT->add_label('checking');
     $OUTPUT->set_env('spellcheck_langs', join(',', $editor_lang_set));
   }
  
@@ -492,45 +514,55 @@
 
   if (! $bodyIsHtml)
   {
-    // soft-wrap message first
-    $body = rcmail_wrap_quoted($body, 75);
-  
-    // split body into single lines
-    $a_lines = preg_split('/\r?\n/', $body);
-  
-    // add > to each line
-    for($n=0; $n<sizeof($a_lines); $n++)
-    {
-      if (strpos($a_lines[$n], '>')===0)
-        $a_lines[$n] = '>'.$a_lines[$n];
-      else
-        $a_lines[$n] = '> '.$a_lines[$n];
-    }
- 
-    $body = join("\n", $a_lines);
-
-    // add title line
-    $prefix = sprintf("On %s, %s wrote:\n",
-      $MESSAGE->headers->date,
-      $MESSAGE->get_header('from'));
-
     // try to remove the signature
-    if ($sp = strrpos($body, '-- '))
+    if (($sp = strrpos($body, '-- ')) !== false && ($sp == 0 || $body{$sp-1} == "\n"))
       {
       if ($body{$sp+3}==' ' || $body{$sp+3}=="\n" || $body{$sp+3}=="\r")
-        $body = substr($body, 0, $sp-1);
+        $body = substr($body, 0, max(0, $sp-1));
       }
+
+    // soft-wrap message first
+    $body = rcmail_wrap_quoted($body, 75);
+
+    $body = rtrim($body, "\r\n");
+
+    if ($body) {
+      // split body into single lines
+      $a_lines = preg_split('/\r?\n/', $body);
+
+      // add > to each line
+      for($n=0; $n<sizeof($a_lines); $n++) {
+        if (strpos($a_lines[$n], '>')===0)
+          $a_lines[$n] = '>'.$a_lines[$n];
+        else
+          $a_lines[$n] = '> '.$a_lines[$n];
+        }
+ 
+      $body = join("\n", $a_lines);
+      }
+
+    // add title line(s)
+    $prefix = rc_wordwrap(sprintf("On %s, %s wrote:\n",
+      $MESSAGE->headers->date,
+      $MESSAGE->get_header('from')), 76);
+
     $suffix = '';
   }
   else
   {
+    // save inline images to files
+    $cid_map = rcmail_write_inline_attachments($MESSAGE);
+    // set is_safe flag (we need this for html body washing)
+    rcmail_check_safe($MESSAGE);
+    // clean up html tags
+    $body = rcmail_wash_html($body, array('safe' => $MESSAGE->is_safe), $cid_map);
+
+    // build reply (quote content)
     $prefix = sprintf("On %s, %s wrote:<br />\n",
       $MESSAGE->headers->date,
-      htmlspecialchars(Q($MESSAGE->get_header('from'), 'replace'), ENT_COMPAT, $OUTPUT->get_charset(), true));
+      htmlspecialchars(Q($MESSAGE->get_header('from'), 'replace'), ENT_COMPAT, $OUTPUT->get_charset()));
     $prefix .= '<blockquote type="cite" style="padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px; width:100%">';
-    $suffix = "</blockquote>";
-
-    rcmail_write_inline_attachments($MESSAGE);
+    $suffix = "</blockquote><p></p>";
   }
 
   return $prefix.$body.$suffix;
@@ -540,6 +572,10 @@
 function rcmail_create_forward_body($body, $bodyIsHtml)
 {
   global $IMAP, $MESSAGE, $OUTPUT;
+
+  // add attachments
+  if (!isset($_SESSION['compose']['forward_attachments']) && is_array($MESSAGE->mime_parts))
+    $cid_map = rcmail_write_compose_attachments($MESSAGE, $bodyIsHtml);
 
   if (!$bodyIsHtml)
   {
@@ -554,6 +590,11 @@
   }
   else
   {
+    // set is_safe flag (we need this for html body washing)
+    rcmail_check_safe($MESSAGE);
+    // clean up html tags
+    $body = rcmail_wash_html($body, array('safe' => $MESSAGE->is_safe), $cid_map);
+
     $prefix = sprintf(
       "<br><br>-------- Original Message --------" .
         "<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tbody>" .
@@ -563,19 +604,15 @@
         "<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">To: </th><td>%s</td></tr>",
       Q($MESSAGE->subject),
       Q($MESSAGE->headers->date),
-      htmlspecialchars(Q($MESSAGE->get_header('from'), 'replace'), ENT_COMPAT, $OUTPUT->get_charset(), true),
-	htmlspecialchars(Q($MESSAGE->get_header('to'), 'replace'), ENT_COMPAT, $OUTPUT->get_charset(), true));
+      htmlspecialchars(Q($MESSAGE->get_header('from'), 'replace'), ENT_COMPAT, $OUTPUT->get_charset()),
+      htmlspecialchars(Q($MESSAGE->get_header('to'), 'replace'), ENT_COMPAT, $OUTPUT->get_charset()));
 
     if ($MESSAGE->headers->replyto && $MESSAGE->headers->replyto != $MESSAGE->headers->from)
       $prefix .= sprintf("<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">Reply-To: </th><td>%s</td></tr>",
-	htmlspecialchars(Q($MESSAGE->get_header('replyto'), 'replace'), ENT_COMPAT, $OUTPUT->get_charset(), true));
+        htmlspecialchars(Q($MESSAGE->get_header('replyto'), 'replace'), ENT_COMPAT, $OUTPUT->get_charset()));
 
     $prefix .= "</tbody></table><br>";
   }
-
-  // add attachments
-  if (!isset($_SESSION['compose']['forward_attachments']) && is_array($MESSAGE->mime_parts))
-    rcmail_write_compose_attachments($MESSAGE, $bodyIsHtml);
     
   return $prefix.$body;
 }
@@ -583,70 +620,108 @@
 
 function rcmail_create_draft_body($body, $bodyIsHtml)
 {
-  global $MESSAGE;
+  global $MESSAGE, $OUTPUT;
   
   /**
    * add attachments
    * sizeof($MESSAGE->mime_parts can be 1 - e.g. attachment, but no text!
    */
-  if (!isset($_SESSION['compose']['forward_attachments'])
+  if (empty($_SESSION['compose']['forward_attachments'])
       && is_array($MESSAGE->mime_parts)
       && count($MESSAGE->mime_parts) > 0)
-    rcmail_write_compose_attachments($MESSAGE, $bodyIsHtml);
+  {
+    $cid_map = rcmail_write_compose_attachments($MESSAGE, $bodyIsHtml);
 
+    // replace cid with href in inline images links
+    if ($cid_map)
+      $body = str_replace(array_keys($cid_map), array_values($cid_map), $body);
+  }
+  
   return $body;
 }
   
   
 function rcmail_write_compose_attachments(&$message, $bodyIsHtml)
 {
+  global $OUTPUT;
+
+  $cid_map = array();
   foreach ((array)$message->mime_parts as $pid => $part)
   {
-    if (($part->ctype_primary != 'message' || !$bodyIsHtml) &&
-        ($part->disposition=='attachment' || $part->disposition=='inline' || $part->headers['content-id']
-	|| (empty($part->disposition) && $part->filename)))
+    if (($part->ctype_primary != 'message' || !$bodyIsHtml) && $part->ctype_primary != 'multipart' && 
+        ($part->disposition == 'attachment' || ($part->disposition == 'inline' && $bodyIsHtml) || $part->filename))
     {
-      if ($attachment = rcmail_save_attachment($message, $pid))
-        $_SESSION['compose']['attachments'][] = $attachment;
+      if ($attachment = rcmail_save_attachment($message, $pid)) {
+        $_SESSION['compose']['attachments'][$attachment['id']] = $attachment;
+        if ($bodyIsHtml && $part->content_id) {
+          $cid_map['cid:'.$part->content_id] = $OUTPUT->app->comm_path.'&_action=display-attachment&_file=rcmfile'.$attachment['id'];
+        }
+      }
     }
   }
-	
+
   $_SESSION['compose']['forward_attachments'] = true;
+
+  return $cid_map;
 }
 
 
 function rcmail_write_inline_attachments(&$message)
 {
-  foreach ((array)$message->mime_parts as $pid => $part)
-  {
-    if ($part->content_id && $part->filename)
-    {
-      if ($attachment = rcmail_save_attachment($message, $pid))
-        $_SESSION['compose']['attachments'][] = $attachment;
+  global $OUTPUT;
+
+  $cid_map = array();
+  foreach ((array)$message->mime_parts as $pid => $part) {
+    if ($part->content_id && $part->filename) {
+      if ($attachment = rcmail_save_attachment($message, $pid)) {
+        $_SESSION['compose']['attachments'][$attachment['id']] = $attachment;
+        $cid_map['cid:'.$part->content_id] = $OUTPUT->app->comm_path.'&_action=display-attachment&_file=rcmfile'.$attachment['id'];
+      }
     }
   }
+  
+  return $cid_map;
 }
 
 function rcmail_save_attachment(&$message, $pid)
 {
-  global $RCMAIL;
-
-  $temp_dir = unslashify($RCMAIL->config->get('temp_dir'));
-  $tmp_path = tempnam($temp_dir, 'rcmAttmnt');
   $part = $message->mime_parts[$pid];
-  
-  if ($fp = fopen($tmp_path, 'w'))
-  {
-    $message->get_part_content($pid, $fp);
-    fclose($fp);
+  $mem_limit = parse_bytes(ini_get('memory_limit'));
+  $curr_mem = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
+  $data = $path = null;
 
-    return array(
-        'mimetype' => $part->ctype_primary . '/' . $part->ctype_secondary,
-        'name' => $part->filename,
-        'path' => $tmp_path,
-	'content_id' => $part->content_id
-    );
+  // don't load too big attachments into memory
+  if ($mem_limit > 0 && $part->size > $mem_limit - $curr_mem) {
+    $rcmail = rcmail::get_instance();
+    $temp_dir = unslashify($rcmail->config->get('temp_dir'));
+    $path = tempnam($temp_dir, 'rcmAttmnt');
+    if ($fp = fopen($path, 'w')) {
+      $message->get_part_content($pid, $fp);
+      fclose($fp);
+    } else
+      return false;
+  } else {
+    $data = $message->get_part_content($pid);
   }
+
+  $attachment = array(
+    'name' => $part->filename ? $part->filename : 'Part_'.$pid.'.'.$part->ctype_secondary,
+    'mimetype' => $part->ctype_primary . '/' . $part->ctype_secondary,
+    'content_id' => $part->content_id,
+    'data' => $data,
+    'path' => $path
+  );
+  
+  $attachment = rcmail::get_instance()->plugins->exec_hook('save_attachment', $attachment);
+
+  if ($attachment['status']) {
+    unset($attachment['data'], $attachment['status'], $attachment['content_id'], $attachment['abort']);
+    return $attachment;
+  } else if ($path) {
+    @unlink($path);
+  }
+  
+  return false;
 }
 
 
@@ -669,24 +744,24 @@
   }
   // create a reply-subject
   else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
-    if (eregi('^re:', $MESSAGE->subject))
+    if (preg_match('/^re:/i', $MESSAGE->subject))
       $subject = $MESSAGE->subject;
     else
       $subject = 'Re: '.$MESSAGE->subject;
   }
   // create a forward-subject
   else if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
-    if (eregi('^fwd:', $MESSAGE->subject))
+    if (preg_match('/^fwd:/i', $MESSAGE->subject))
       $subject = $MESSAGE->subject;
     else
       $subject = 'Fwd: '.$MESSAGE->subject;
   }
   // creeate a draft-subject
-  else if ($compose_mode == RCUBE_COMPOSE_DRAFT) {
+  else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) {
     $subject = $MESSAGE->subject;
   }
-  else if (!empty($_SESSION['compose']['param']['_subject'])) {
-    $subject = $_SESSION['compose']['param']['_subject'];
+  else if (!empty($_SESSION['compose']['param']['subject'])) {
+    $subject = $_SESSION['compose']['param']['subject'];
   }
   
   $out = $form_start ? "$form_start\n" : '';
@@ -709,11 +784,12 @@
   
   if (is_array($_SESSION['compose']['attachments']))
   {
-    if ($attrib['deleteicon'])
+    if ($attrib['deleteicon']) {
       $button = html::img(array(
         'src' => $CONFIG['skin_path'] . $attrib['deleteicon'],
-        'alt' => rcube_label('delete'),
-        'style' => "border:0;padding-right:2px;vertical-align:middle"));
+        'alt' => rcube_label('delete')
+      ));
+    }
     else
       $button = Q(rcube_label('delete'));
 
@@ -726,10 +802,13 @@
         html::a(array(
             'href' => "#delete",
             'title' => rcube_label('delete'),
-            'onclick' => sprintf("return %s.command('remove-attachment','rcmfile%d', this)", JS_OBJECT_NAME, $id)),
+            'onclick' => sprintf("return %s.command('remove-attachment','rcmfile%s', this)", JS_OBJECT_NAME, $id)),
           $button) . Q($a_prop['name']));
     }
   }
+
+  if ($attrib['deleteicon'])
+    $_SESSION['compose']['deleteicon'] = $CONFIG['skin_path'] . $attrib['deleteicon'];
 
   $OUTPUT->add_gui_object('attachmentlist', $attrib['id']);
     
@@ -744,13 +823,20 @@
   // add ID if not given
   if (!$attrib['id'])
     $attrib['id'] = 'rcmUploadbox';
+
+  // find max filesize value
+  $max_filesize = parse_bytes(ini_get('upload_max_filesize'));
+  $max_postsize = parse_bytes(ini_get('post_max_size'));
+  if ($max_postsize && $max_postsize < $max_filesize)
+    $max_filesize = $max_postsize;
+  $max_filesize = show_bytes($max_filesize);
   
   $button = new html_inputfield(array('type' => 'button', 'class' => 'button'));
   
   $out = html::div($attrib,
     $OUTPUT->form_tag(array('name' => 'form', 'method' => 'post', 'enctype' => 'multipart/form-data'),
       html::div(null, rcmail_compose_attachment_field(array())) .
-      html::div('hint', rcube_label(array('name' => 'maxuploadsize', 'vars' => array('size' => show_bytes(parse_bytes(ini_get('upload_max_filesize'))))))) .
+      html::div('hint', rcube_label(array('name' => 'maxuploadsize', 'vars' => array('size' => $max_filesize)))) .
       html::div('buttons',
         $button->show(rcube_label('close'), array('onclick' => "document.getElementById('$attrib[id]').style.visibility='hidden'")) . ' ' .
         $button->show(rcube_label('upload'), array('onclick' => JS_OBJECT_NAME . ".command('send-attachment', this.form)"))
@@ -789,7 +875,12 @@
                        rcube_label('highest')),
                  array(5, 4, 0, 2, 1));
                  
-  $sel = isset($_POST['_priority']) ? $_POST['_priority'] : intval($MESSAGE->headers->priority);
+  if (isset($_POST['_priority']))
+    $sel = $_POST['_priority'];
+  else if (intval($MESSAGE->headers->priority) != 3)
+    $sel = intval($MESSAGE->headers->priority);
+  else
+    $sel = 0;
 
   $out = $form_start ? "$form_start\n" : '';
   $out .= $selector->show($sel);
@@ -814,8 +905,8 @@
   $checkbox = new html_checkbox($attrib);
 
   $out = $form_start ? "$form_start\n" : '';
-  $out .= $checkbox->show(
-    $compose_mode == RCUBE_COMPOSE_DRAFT && $MESSAGE->headers->mdn_to ? 1 : 0);
+  $out .= $checkbox->show(in_array($compose_mode, array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT))
+	&& $MESSAGE->headers->mdn_to ? 1 : 0);
   $out .= $form_end ? "\n$form_end" : '';
 
   return $out;
@@ -826,20 +917,28 @@
 {
   global $CONFIG, $MESSAGE, $compose_mode;
 
-  $choices = array(
-    'html'  => 'htmltoggle',
-    'plain' => 'plaintoggle'
-  );
-
   // determine whether HTML or plain text should be checked
-  $useHtml = $CONFIG['htmleditor'] ? true : false;
-
   if ($compose_mode)
-    $useHtml = ($useHtml && $MESSAGE->has_html_part());
+    $useHtml = (($CONFIG['htmleditor'] || $compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT)
+	&& $MESSAGE->has_html_part());
+  else
+    $useHtml = $CONFIG['htmleditor'] ? true : false;
 
-  $selector = '';
-  $chosenvalue = $useHtml ? 'html' : 'plain';
-  $radio = new html_radiobutton(array('name' => '_editorSelect', 'onclick' => 'return rcmail_toggle_editor(this)'));
+  if (empty($attrib['editorid']))
+    $attrib['editorid'] = 'rcmComposeBody';
+
+  if (empty($attrib['name']))
+    $attrib['name'] = 'editorSelect';
+    
+  $attrib['onchange'] = "return rcmail_toggle_editor(this.value=='html', '".$attrib['editorid']."', '_is_html')";
+
+  $select = new html_select($attrib);
+
+  $select->add(Q(rcube_label('htmltoggle')), 'html');
+  $select->add(Q(rcube_label('plaintoggle')), 'plain');
+
+  return $select->show($useHtml ? 'html' : 'plain');
+
   foreach ($choices as $value => $text)
   {
     $attrib['id'] = '_' . $value;
@@ -898,54 +997,6 @@
   'receiptcheckbox' => 'rcmail_receipt_checkbox',
   'storetarget' => 'rcmail_store_target_selection',
 ));
-
-/****** get contacts for this user and add them to client scripts ********/
-
-$CONTACTS = new rcube_contacts($DB, $USER->ID);
-$CONTACTS->set_pagesize(1000);
-
-$a_contacts = array(); 
-                                   
-if ($result = $CONTACTS->list_records())
-  {
-  while ($sql_arr = $result->iterate())
-    if ($sql_arr['email'])
-      $a_contacts[] = format_email_recipient($sql_arr['email'], $sql_arr['name']);
-  }
-if (!empty($CONFIG['ldap_public']) && is_array($CONFIG['ldap_public']))
-  {
-  /* LDAP autocompletion */ 
-  foreach ($CONFIG['ldap_public'] as $ldapserv_config) 
-    { 
-    if ($ldapserv_config['fuzzy_search'] != 1 || 
-        $ldapserv_config['global_search'] != 1)
-      { 
-      continue; 
-      }
-	 
-    $LDAP = new rcube_ldap($ldapserv_config); 
-    $LDAP->connect(); 
-    $LDAP->set_pagesize(1000);
-  
-    $results = $LDAP->search($ldapserv_config['mail_field'], ""); 
- 
-    for ($i = 0; $i < $results->count; $i++) 
- 	  { 
- 	  if ($results->records[$i]['email'] != '') 
- 	    { 
- 	    $email = $results->records[$i]['email']; 
- 	    $name = $results->records[$i]['name']; 
- 		 
- 	    $a_contacts[] = format_email_recipient($email, $name);
- 	    } 
- 	  }
-    $LDAP->close(); 
-    }
-  }
-if ($a_contacts) 
-  { 
- 	$OUTPUT->set_env('contacts', $a_contacts); 
-  }
 
 $OUTPUT->send('compose');
 

--
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