improve smtp delivery failed message.
[squirrelmail.git] / src / compose.php
index 0858d133ba4ee9ea9aec3ee456566a200a0c1196..de1c2f019ea07a6e3b4ace96769933660822cb14 100644 (file)
@@ -1,11 +1,7 @@
 <?php
-
 /**
  * compose.php
  *
- * Copyright (c) 1999-2003 The SquirrelMail Project Team
- * Licensed under the GNU GPL. For full terms see the file COPYING.
- *
  * This code sends a mail.
  *
  * There are 4 modes of operation:
  *    - Send mail
  *    - Save As Draft
  *
- * $Id$
+ * @copyright &copy; 1999-2006 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
  * @package squirrelmail
  */
 
-/** Path for SquirrelMail required files. */
-define('SM_PATH','../');
+/**
+ * Include the SquirrelMail initialization file.
+ */
+require('../include/init.php');
 
 /* SquirrelMail required files. */
-require_once(SM_PATH . 'include/validate.php');
-require_once(SM_PATH . 'functions/global.php');
-require_once(SM_PATH . 'functions/imap.php');
+require_once(SM_PATH . 'functions/imap_general.php');
+require_once(SM_PATH . 'functions/imap_messages.php');
 require_once(SM_PATH . 'functions/date.php');
 require_once(SM_PATH . 'functions/mime.php');
-require_once(SM_PATH . 'functions/plugin.php');
-require_once(SM_PATH . 'functions/display_messages.php');
 require_once(SM_PATH . 'class/deliver/Deliver.class.php');
 require_once(SM_PATH . 'functions/addressbook.php');
+require_once(SM_PATH . 'functions/forms.php');
 require_once(SM_PATH . 'functions/identity.php');
 
 /* --------------------- Get globals ------------------------------------- */
-/** COOKIE VARS */
-sqgetGlobalVar('key',       $key,           SQ_COOKIE);
 
 /** SESSION VARS */
-sqgetGlobalVar('username',  $username,      SQ_SESSION);
-sqgetGlobalVar('onetimepad',$onetimepad,    SQ_SESSION);
-sqgetGlobalVar('base_uri',  $base_uri,      SQ_SESSION);
 sqgetGlobalVar('delimiter', $delimiter,     SQ_SESSION);
 
 sqgetGlobalVar('composesession',    $composesession,    SQ_SESSION);
 sqgetGlobalVar('compose_messages',  $compose_messages,  SQ_SESSION);
+sqgetGlobalVar('delayed_errors',  $delayed_errors,  SQ_SESSION);
+
+// Turn on delayed error handling in case we wind up redirecting below
+$oErrorHandler->setDelayedErrors(true);
 
 /** SESSION/POST/GET VARS */
-sqgetGlobalVar('smaction',$action);
 sqgetGlobalVar('session',$session);
 sqgetGlobalVar('mailbox',$mailbox);
 if(!sqgetGlobalVar('identity',$identity)) {
@@ -73,23 +69,69 @@ sqgetGlobalVar('draft',$draft);
 sqgetGlobalVar('draft_id',$draft_id);
 sqgetGlobalVar('ent_num',$ent_num);
 sqgetGlobalVar('saved_draft',$saved_draft);
-sqgetGlobalVar('delete_draft',$delete_draft);
-sqgetGlobalVar('startMessage',$startMessage);
+
+if ( sqgetGlobalVar('delete_draft',$delete_draft) ) {
+    $delete_draft = (int)$delete_draft;
+}
+
+if ( sqgetGlobalVar('startMessage',$startMessage) ) {
+    $startMessage = (int)$startMessage;
+} else {
+    $startMessage = 1;
+}
+
 
 /** POST VARS */
-sqgetGlobalVar('sigappend',             $sigappend,             SQ_POST);
-sqgetGlobalVar('from_htmladdr_search',  $from_htmladdr_search,  SQ_POST);
-sqgetGlobalVar('addr_search_done',      $html_addr_search_done, SQ_POST);
-sqgetGlobalVar('send_to_search',        $send_to_search,        SQ_POST);
-sqgetGlobalVar('do_delete',             $do_delete,             SQ_POST);
-sqgetGlobalVar('delete',                $delete,                SQ_POST);
-sqgetGlobalVar('restoremessages',       $restoremessages,       SQ_POST);
+sqgetGlobalVar('sigappend',             $sigappend,                 SQ_POST);
+sqgetGlobalVar('from_htmladdr_search',  $from_htmladdr_search,      SQ_POST);
+sqgetGlobalVar('addr_search_done',      $html_addr_search_done,     SQ_POST);
+sqgetGlobalVar('addr_search_cancel',    $html_addr_search_cancel,   SQ_POST);
+sqgetGlobalVar('send_to_search',        $send_to_search,            SQ_POST);
+sqgetGlobalVar('do_delete',             $do_delete,                 SQ_POST);
+sqgetGlobalVar('delete',                $delete,                    SQ_POST);
+sqgetGlobalVar('restoremessages',       $restoremessages,           SQ_POST);
 if ( sqgetGlobalVar('return', $temp, SQ_POST) ) {
-  $html_addr_search_done = 'Use Addresses';
+    $html_addr_search_done = 'Use Addresses';
 }
 
 /** GET VARS */
 sqgetGlobalVar('attachedmessages', $attachedmessages, SQ_GET);
+if ( sqgetGlobalVar('account', $temp,  SQ_GET) ) {
+    $iAccount = (int) $temp;
+} else {
+    $iAccount = 0;
+}
+
+
+/** get smaction */
+if ( !sqgetGlobalVar('smaction',$action) )
+{
+    if ( sqgetGlobalVar('smaction_reply',$tmp) )      $action = 'reply';
+    if ( sqgetGlobalVar('smaction_reply_all',$tmp) )  $action = 'reply_all';
+    if ( sqgetGlobalVar('smaction_forward',$tmp) )    $action = 'forward';
+    if ( sqgetGlobalVar('smaction_attache',$tmp) )    $action = 'forward_as_attachment';
+    if ( sqgetGlobalVar('smaction_draft',$tmp) )      $action = 'draft';
+    if ( sqgetGlobalVar('smaction_edit_new',$tmp) )   $action = 'edit_as_new';
+}
+
+/**
+ * Here we decode the data passed in from mailto.php.
+ */
+if ( sqgetGlobalVar('mailtodata', $mailtodata, SQ_GET) ) {
+    $trtable = array('to'       => 'send_to',
+                 'cc'           => 'send_to_cc',
+                 'bcc'          => 'send_to_bcc',
+                 'body'         => 'body',
+                 'subject'      => 'subject');
+    $mtdata = unserialize($mailtodata);
+    
+    foreach ($trtable as $f => $t) {
+        if ( !empty($mtdata[$f]) ) {
+            $$t = $mtdata[$f];
+        }
+    }
+    unset($mailtodata,$mtdata, $trtable);
+}
 
 /* Location (For HTTP 1.1 Header("Location: ...") redirects) */
 $location = get_location();
@@ -99,120 +141,159 @@ $idents = get_identities();
 /* --------------------- Specific Functions ------------------------------ */
 
 function replyAllString($header) {
-   global $include_self_reply_all, $idents;
-   $excl_ar = array();
-   /**
-    * 1) Remove the addresses we'll be sending the message 'to'
-    */
-   $url_replytoall_avoid_addrs = '';
-   if (isset($header->replyto)) {
-      $excl_ar = $header->getAddr_a('replyto');
-   }
-   /**
-    * 2) Remove our identities from the CC list (they still can be in the
-    * TO list) only if $include_self_reply_all is turned off
-    */
-   if (!$include_self_reply_all) {
-       foreach($idents as $id) {
-           $excl_ar[strtolower(trim($id['email_address']))] = '';
+    global $include_self_reply_all, $idents;
+    $excl_ar = array();
+    /**
+     * 1) Remove the addresses we'll be sending the message 'to'
+     */
+    if (isset($header->replyto)) {
+        $excl_ar = $header->getAddr_a('replyto');
+    }
+    /**
+     * 2) Remove our identities from the CC list (they still can be in the
+     * TO list) only if $include_self_reply_all is turned off
+     */
+    if (!$include_self_reply_all) {
+        foreach($idents as $id) {
+            $excl_ar[strtolower(trim($id['email_address']))] = '';
+        }
+    }
+
+    /**
+     * 3) get the addresses.
+     */
+    $url_replytoall_ar = $header->getAddr_a(array('to','cc'), $excl_ar);
+
+    /**
+     * 4) generate the string.
+     */
+    $url_replytoallcc = '';
+    foreach( $url_replytoall_ar as $email => $personal) {
+        if ($personal) {
+            // if personal name contains address separator then surround
+            // the personal name with double quotes.
+            if (strpos($personal,',') !== false) {
+                $personal = '"'.$personal.'"';
+            }
+            $url_replytoallcc .= ", $personal <$email>";
+        } else {
+            $url_replytoallcc .= ', '. $email;
         }
-   }
-
-   /**
-    * 3) get the addresses.
-    */
-   $url_replytoall_ar = $header->getAddr_a(array('to','cc'), $excl_ar);
-
-   /**
-    * 4) generate the string.
-    */
-   $url_replytoallcc = '';
-   foreach( $url_replytoall_ar as $email => $personal) {
-      if ($personal) {
-         // if personal name contains address separator then surround
-         // the personal name with double quotes.
-         if (strpos($personal,',') !== false) {
-             $personal = '"'.$personal.'"';
-         }
-         $url_replytoallcc .= ", $personal <$email>";
-      } else {
-         $url_replytoallcc .= ', '. $email;
-      }
-   }
-   $url_replytoallcc = substr($url_replytoallcc,2);
-
-   return $url_replytoallcc;
+    }
+    $url_replytoallcc = substr($url_replytoallcc,2);
+
+    return $url_replytoallcc;
 }
 
-function getReplyCitation($orig_from) {
+/**
+ * creates top line in reply citations
+ *
+ * Line style depends on user preferences.
+ * $orig_date argument is available only from 1.4.3 and 1.5.1 version.
+ * @param object $orig_from From: header object.
+ * @param integer $orig_date email's timestamp
+ * @return string reply citation
+ */
+function getReplyCitation($orig_from, $orig_date) {
     global $reply_citation_style, $reply_citation_start, $reply_citation_end;
-    $orig_from = decodeHeader($orig_from->getAddress(false),false,false,true);
-//    $from = decodeHeader($orig_header->getAddr_s('from',"\n$indent"),false,false);
+
+    if (!is_object($orig_from)) {
+        $sOrig_from = '';
+    } else {
+        $sOrig_from = decodeHeader($orig_from->getAddress(false),false,false,true);
+    }
+
     /* First, return an empty string when no citation style selected. */
     if (($reply_citation_style == '') || ($reply_citation_style == 'none')) {
         return '';
     }
 
     /* Make sure our final value isn't an empty string. */
-    if ($orig_from == '') {
+    if ($sOrig_from == '') {
         return '';
     }
 
     /* Otherwise, try to select the desired citation style. */
     switch ($reply_citation_style) {
     case 'author_said':
-        $start = '';
-        $end   = ' ' . _("said") . ':';
+        /**
+         * To translators: %s is for author's name
+         */
+        $full_reply_citation = sprintf(_("%s wrote:"),$sOrig_from);
         break;
     case 'quote_who':
-        $start = '<' . _("quote") . ' ' . _("who") . '="';
+        $start = '<quote who="';
         $end   = '">';
+        $full_reply_citation = $start . $sOrig_from . $end;
+        break;
+    case 'date_time_author':
+        /**
+         * To translators:
+         *  first %s is for date string, second %s is for author's name. Date uses
+         *  formating from "D, F j, Y g:i a" and "D, F j, Y H:i" translations.
+         * Example string:
+         *  "On Sat, December 24, 2004 23:59, Santa wrote:"
+         * If you have to put author's name in front of date string, check comments about
+         * argument swapping at http://www.php.net/sprintf
+         */
+        $full_reply_citation = sprintf(_("On %s, %s wrote:"), getLongDateString($orig_date), $sOrig_from);
         break;
     case 'user-defined':
         $start = $reply_citation_start .
-         ($reply_citation_start == '' ? '' : ' ');
+            ($reply_citation_start == '' ? '' : ' ');
         $end   = $reply_citation_end;
+        $full_reply_citation = $start . $sOrig_from . $end;
         break;
     default:
         return '';
     }
 
-    /* Build and return the citation string. */
-    return ($start . $orig_from . $end . "\n");
+    /* Add line feed and return the citation string. */
+    return ($full_reply_citation . "\n");
 }
 
+/**
+ * Creates header fields in forwarded email body
+ *
+ * $default_charset global must be set correctly before you call this function.
+ * @param object $orig_header
+ * @return $string
+ */
 function getforwardHeader($orig_header) {
-    global $editor_size;
-
-   $display = array( _("Subject") => strlen(_("Subject")),
-                     _("From")    => strlen(_("From")),
-                     _("Date")    => strlen(_("Date")),
-                     _("To")      => strlen(_("To")),
-                     _("Cc")      => strlen(_("Cc")) );
-   $maxsize = max($display);
-   $indent = str_pad('',$maxsize+2);
-   foreach($display as $key => $val) {
-      $display[$key] = $key .': '. str_pad('', $maxsize - $val);
-   }
-   $from = decodeHeader($orig_header->getAddr_s('from',"\n$indent"),false,false,true);
-   $from = str_replace('&nbsp;',' ',$from);
-   $to = decodeHeader($orig_header->getAddr_s('to',"\n$indent"),false,false,true);
-   $to = str_replace('&nbsp;',' ',$to);
-   $subject = decodeHeader($orig_header->subject,false,false,true);
-   $subject = str_replace('&nbsp;',' ',$subject);
-   $bodyTop =  str_pad(' '._("Original Message").' ',$editor_size -2,'-',STR_PAD_BOTH) .
-               "\n". $display[_("Subject")] . $subject . "\n" .
-               $display[_("From")] . $from . "\n" .
-               $display[_("Date")] . getLongDateString( $orig_header->date ). "\n" .
-               $display[_("To")] . $to . "\n";
-   if ($orig_header->cc != array() && $orig_header->cc !='') {
-      $cc = decodeHeader($orig_header->getAddr_s('cc',"\n$indent"),false,false,true);
-      $cc = str_replace('&nbsp;',' ',$cc);
-     $bodyTop .= $display[_("Cc")] .$cc . "\n";
-  }
-  $bodyTop .= str_pad('', $editor_size -2 , '-') .
-              "\n\n";
-  return $bodyTop;
+    global $editor_size, $default_charset;
+
+    // using own strlen function in order to detect correct string length
+    $display = array( _("Subject") => sq_strlen(_("Subject"),$default_charset),
+            _("From")    => sq_strlen(_("From"),$default_charset),
+            _("Date")    => sq_strlen(_("Date"),$default_charset),
+            _("To")      => sq_strlen(_("To"),$default_charset),
+            _("Cc")      => sq_strlen(_("Cc"),$default_charset) );
+    $maxsize = max($display);
+    $indent = str_pad('',$maxsize+2);
+    foreach($display as $key => $val) {
+        $display[$key] = $key .': '. str_pad('', $maxsize - $val);
+    }
+    $from = decodeHeader($orig_header->getAddr_s('from',"\n$indent"),false,false,true);
+    $from = str_replace('&nbsp;',' ',$from);
+    $to = decodeHeader($orig_header->getAddr_s('to',"\n$indent"),false,false,true);
+    $to = str_replace('&nbsp;',' ',$to);
+    $subject = decodeHeader($orig_header->subject,false,false,true);
+    $subject = str_replace('&nbsp;',' ',$subject);
+
+    // using own str_pad function in order to create correct string pad
+    $bodyTop =  sq_str_pad(' '._("Original Message").' ',$editor_size -2,'-',STR_PAD_BOTH,$default_charset) .
+        "\n". $display[_("Subject")] . $subject . "\n" .
+        $display[_("From")] . $from . "\n" .
+        $display[_("Date")] . getLongDateString( $orig_header->date ). "\n" .
+        $display[_("To")] . $to . "\n";
+    if ($orig_header->cc != array() && $orig_header->cc !='') {
+        $cc = decodeHeader($orig_header->getAddr_s('cc',"\n$indent"),false,false,true);
+        $cc = str_replace('&nbsp;',' ',$cc);
+        $bodyTop .= $display[_("Cc")] .$cc . "\n";
+    }
+    $bodyTop .= str_pad('', $editor_size -2 , '-') .
+        "\n\n";
+    return $bodyTop;
 }
 /* ----------------------------------------------------------------------- */
 
@@ -231,13 +312,19 @@ if (sqsession_is_registered('session_expired_post')) {
         sqsession_unregister('session_expired_post');
         session_write_close();
     } else {
-        foreach ($session_expired_post as $postvar => $val) {
-            if (isset($val)) {
-                $$postvar = $val;
-            } else {
-                $$postvar = '';
+        // these are the vars that we can set from the expired composed session   
+        $compo_var_list = array ( 'send_to', 'send_to_cc','body','startMessage',
+            'passed_body','use_signature','signature','attachments','subject','newmail',
+            'send_to_bcc', 'passed_id', 'mailbox', 'from_htmladdr_search', 'identity',
+            'draft_id', 'delete_draft', 'mailprio', 'edit_as_new', 'compose_messsages',
+            'composesession', 'request_mdn', 'request_dr');
+
+        foreach ($compo_var_list as $var) {
+            if ( isset($session_expired_post[$var]) && !isset($$var) ) {
+               $$var = $session_expired_post[$var];
             }
         }
+
         $compose_messages = unserialize(urldecode($restoremessages));
         sqsession_register($compose_messages,'compose_messages');
         sqsession_register($composesession,'composesession');
@@ -255,7 +342,13 @@ if (sqsession_is_registered('session_expired_post')) {
     if ($compose_new_win == '1') {
         compose_Header($color, $mailbox);
     } else {
-        displayPageHeader($color, $mailbox);
+        $sHeaderJs = (isset($sHeaderJs)) ? $sHeaderJs : '';
+        if (strpos($action, 'reply') !== false && $reply_focus) {
+            $sBodyTagJs = 'onload="checkForm(\''.$replyfocus.'\');"';
+        } else {
+            $sBodyTagJs = 'onload="checkForm();"';
+        }
+        displayPageHeader($color, $mailbox,$sHeaderJs,$sBodyTagJs);
     }
     showInputForm($session, false);
     exit();
@@ -263,6 +356,8 @@ if (sqsession_is_registered('session_expired_post')) {
 if (!isset($composesession)) {
     $composesession = 0;
     sqsession_register(0,'composesession');
+} else {
+    $composesession = (int)$composesession;
 }
 
 if (!isset($session) || (isset($newmessage) && $newmessage)) {
@@ -272,18 +367,19 @@ if (!isset($session) || (isset($newmessage) && $newmessage)) {
     sqsession_register($composesession,'composesession');
 }
 if (!isset($compose_messages)) {
-  $compose_messages = array();
+    $compose_messages = array();
 }
+
 if (!isset($compose_messages[$session]) || ($compose_messages[$session] == NULL)) {
-/* if (!array_key_exists($session, $compose_messages)) {  /* We can only do this in PHP >= 4.1 */
-  $composeMessage = new Message();
-  $rfc822_header = new Rfc822Header();
-  $composeMessage->rfc822_header = $rfc822_header;
-  $composeMessage->reply_rfc822_header = '';
-  $compose_messages[$session] = $composeMessage;
-  sqsession_register($compose_messages,'compose_messages');
+    $composeMessage = new Message();
+    $rfc822_header = new Rfc822Header();
+    $composeMessage->rfc822_header = $rfc822_header;
+    $composeMessage->reply_rfc822_header = '';
+    $compose_messages[$session] = $composeMessage;
+
+    sqsession_register($compose_messages,'compose_messages');
 } else {
-  $composeMessage=$compose_messages[$session];
+    $composeMessage=$compose_messages[$session];
 }
 
 if (!isset($mailbox) || $mailbox == '' || ($mailbox == 'None')) {
@@ -305,66 +401,85 @@ if ($draft) {
         $draft_message = _("Draft Email Saved");
         /* If this is a resumed draft, then delete the original */
         if(isset($delete_draft)) {
-            Header("Location: $location/delete_message.php?mailbox=" . urlencode($draft_folder) .
-                   "&message=$delete_draft&sort=$sort&startMessage=1&saved_draft=yes");
-            exit();
+            $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, false);
+            sqimap_mailbox_select($imap_stream, $draft_folder);
+            // force bypass_trash=true because message should be saved when deliverMessage() returns true.
+            // in current implementation of sqimap_msgs_list_flag() single message id can
+            // be submitted as string. docs state that it should be array.
+            sqimap_msgs_list_delete($imap_stream, $draft_folder, $delete_draft, true);
+            if ($auto_expunge) {
+                sqimap_mailbox_expunge($imap_stream, $draft_folder, true);
+            }
+            sqimap_logout($imap_stream);
         }
-        else {
-            if ($compose_new_win == '1') {
+        
+        $oErrorHandler->saveDelayedErrors();
+        session_write_close();
+
+        if ($compose_new_win == '1') {
+            if ( !isset($pageheader_sent) || !$pageheader_sent ) {
                 Header("Location: $location/compose.php?saved_draft=yes&session=$composesession");
-                exit();
+            } else {
+                echo '   <br><br><div style="text-align: center;"><a href="' . $location
+                    . '/compose.php?saved_sent=yes&amp;session=' . $composesession . '">'
+                    . _("Return") . '</a></div>';
             }
-            else {
-                Header("Location: $location/right_main.php?mailbox=$draft_folder&sort=$sort".
-                       "&startMessage=1&note=".urlencode($draft_message));
-                exit();
+            exit();
+        } else {
+            if ( !isset($pageheader_sent) || !$pageheader_sent ) {
+                Header("Location: $location/right_main.php?mailbox=" . urlencode($draft_folder) .
+                   "&startMessage=1&note=".urlencode($draft_message));
+            } else {
+                echo '   <br><br><div style="text-align: center;"><a href="' . $location
+                    . '/right_main.php?mailbox=' . urlencode($draft_folder)
+                    . '&amp;startMessage=1&amp;note=' . urlencode($draft_message) .'">'
+                    . _("Return") . '</a></div>';
             }
+            exit();
         }
     }
 }
 
 if ($send) {
     if (isset($_FILES['attachfile']) &&
-        $_FILES['attachfile']['tmp_name'] &&
-        $_FILES['attachfile']['tmp_name'] != 'none') {
+            $_FILES['attachfile']['tmp_name'] &&
+            $_FILES['attachfile']['tmp_name'] != 'none') {
         $AttachFailure = saveAttachedFiles($session);
     }
     if (checkInput(false) && !isset($AttachFailure)) {
-                if ($mailbox == "All Folders") {
-                        /* We entered compose via the search results page */
-                        $mailbox="INBOX"; /* Send 'em to INBOX, that's safe enough */
-                }
+        if ($mailbox == "All Folders") {
+            /* We entered compose via the search results page */
+            $mailbox = 'INBOX'; /* Send 'em to INBOX, that's safe enough */
+        }
         $urlMailbox = urlencode (trim($mailbox));
         if (! isset($passed_id)) {
             $passed_id = 0;
         }
-        /*
+        /**
          * Set $default_charset to correspond with the user's selection
          * of language interface.
          */
         set_my_charset();
-        /*
+        /**
          * This is to change all newlines to \n
          * We'll change them to \r\n later (in the sendMessage function)
          */
         $body = str_replace("\r\n", "\n", $body);
         $body = str_replace("\r", "\n", $body);
 
-        /*
+        /**
          * Rewrap $body so that no line is bigger than $editor_size
-         * This should only really kick in the sqWordWrap function
-         * if the browser doesn't support "VIRTUAL" as the wrap type.
          */
         $body = explode("\n", $body);
         $newBody = '';
         foreach ($body as $line) {
             if( $line <> '-- ' ) {
-               $line = rtrim($line);
+                $line = rtrim($line);
             }
-            if (strlen($line) <= $editor_size + 1) {
+            if (sq_strlen($line,$default_charset) <= $editor_size + 1) {
                 $newBody .= $line . "\n";
             } else {
-                sqWordWrap($line, $editor_size);
+                sqWordWrap($line, $editor_size,$default_charset);
                 $newBody .= $line . "\n";
 
             }
@@ -375,23 +490,56 @@ if ($send) {
         $composeMessage=$compose_messages[$session];
 
         $Result = deliverMessage($composeMessage);
+
+        // NOTE: this hook changed in 1.5.2 from sending $Result and 
+        //       $composeMessage as args #2 and #3 to being in an array
+        //       under arg #2
+        do_hook('compose_send_after', $temp=array(&$Result, &$composeMessage));
         if (! $Result) {
             showInputForm($session);
             exit();
         }
         unset($compose_messages[$session]);
+
+        /* if it is resumed draft, delete draft message */
         if ( isset($delete_draft)) {
-            Header("Location: $location/delete_message.php?mailbox=" . urlencode( $draft_folder ).
-                   "&message=$delete_draft&sort=$sort&startMessage=1&mail_sent=yes");
-            exit();
+            $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, false);
+            sqimap_mailbox_select($imap_stream, $draft_folder);
+            // bypass_trash=true because message should be saved when deliverMessage() returns true.
+            // in current implementation of sqimap_msgs_list_flag() single message id can
+            // be submitted as string. docs state that it should be array.
+            sqimap_msgs_list_delete($imap_stream, $draft_folder, $delete_draft, true);
+            if ($auto_expunge) {
+                sqimap_mailbox_expunge($imap_stream, $draft_folder, true);
+            }
+            sqimap_logout($imap_stream);
         }
-        if ($compose_new_win == '1') {
+        /*
+         * Store the error array in the session because they will be lost on a redirect
+         */
+        $oErrorHandler->saveDelayedErrors();
+        session_write_close();
 
-            Header("Location: $location/compose.php?mail_sent=yes");
-        }
-        else {
-            Header("Location: $location/right_main.php?mailbox=$urlMailbox&sort=$sort".
-                   "&startMessage=$startMessage&mail_sent=yes");
+        if ($compose_new_win == '1') {
+            if ( !isset($pageheader_sent) || !$pageheader_sent ) {
+                Header("Location: $location/compose.php?mail_sent=yes");
+            } else {
+                echo '   <br><br><div style="text-align: center;"><a href="' . $location
+                    . '/compose.php?mail_sent=yes">'
+                    . _("Return") . '</a></div>';
+            }
+            exit();
+        } else {
+            if ( !isset($pageheader_sent) || !$pageheader_sent ) {
+                Header("Location: $location/right_main.php?mailbox=$urlMailbox".
+                    "&startMessage=$startMessage&mail_sent=yes");
+            } else {
+                echo '   <br><br><div style="text-align: center;"><a href="' . $location
+                    . "/right_main.php?mailbox=$urlMailbox"
+                    . "&amp;startMessage=$startMessage&amp;mail_sent=yes\">"
+                    . _("Return") . '</a></div>';
+            }
+            exit();
         }
     } else {
         if ($compose_new_win == '1') {
@@ -401,20 +549,20 @@ if ($send) {
             displayPageHeader($color, $mailbox);
         }
         if (isset($AttachFailure)) {
-             plain_error_message(_("Could not move/copy file. File not attached"),
-                                 $color);
+            plain_error_message(_("Could not move/copy file. File not attached"),
+                    $color);
         }
         checkInput(true);
         showInputForm($session);
         /* sqimap_logout($imapConnection); */
     }
 } elseif (isset($html_addr_search_done)) {
-        if ($compose_new_win == '1') {
-            compose_Header($color, $mailbox);
-        }
-        else {
-            displayPageHeader($color, $mailbox);
-        }
+    if ($compose_new_win == '1') {
+        compose_Header($color, $mailbox);
+    }
+    else {
+        displayPageHeader($color, $mailbox);
+    }
 
     if (isset($send_to_search) && is_array($send_to_search)) {
         foreach ($send_to_search as $k => $v) {
@@ -439,12 +587,12 @@ if ($send) {
         }
     }
     showInputForm($session);
-} elseif (isset($html_addr_search)) {
+} elseif (isset($html_addr_search) && !isset($html_addr_search_cancel)) {
     if (isset($_FILES['attachfile']) &&
-        $_FILES['attachfile']['tmp_name'] &&
-        $_FILES['attachfile']['tmp_name'] != 'none') {
+            $_FILES['attachfile']['tmp_name'] &&
+            $_FILES['attachfile']['tmp_name'] != 'none') {
         if(saveAttachedFiles($session)) {
-            plain_error_message(_("Could not move/copy file. File not attached"), $color);
+            plain_error_message(_("Could not move/copy file. File not attached"));
         }
     }
     /*
@@ -453,15 +601,14 @@ if ($send) {
      */
     include_once('./addrbook_search_html.php');
 } elseif (isset($attach)) {
+    if ($compose_new_win == '1') {
+        compose_Header($color, $mailbox);
+    } else {
+        displayPageHeader($color, $mailbox);
+    }
     if (saveAttachedFiles($session)) {
-        plain_error_message(_("Could not move/copy file. File not attached"), $color);
+        plain_error_message(_("Could not move/copy file. File not attached"));
     }
-        if ($compose_new_win == '1') {
-            compose_Header($color, $mailbox);
-        }
-        else {
-            displayPageHeader($color, $mailbox);
-        }
     showInputForm($session);
 }
 elseif (isset($sigappend)) {
@@ -469,25 +616,25 @@ elseif (isset($sigappend)) {
 
     $body .= "\n\n".($prefix_sig==true? "-- \n":'').$signature;
     if ($compose_new_win == '1') {
-         compose_Header($color, $mailbox);
+        compose_Header($color, $mailbox);
     } else {
         displayPageHeader($color, $mailbox);
     }
     showInputForm($session);
 } elseif (isset($do_delete)) {
-        if ($compose_new_win == '1') {
-            compose_Header($color, $mailbox);
-        }
-        else {
-            displayPageHeader($color, $mailbox);
-        }
+    if ($compose_new_win == '1') {
+        compose_Header($color, $mailbox);
+    } else {
+        displayPageHeader($color, $mailbox);
+    }
 
     if (isset($delete) && is_array($delete)) {
         $composeMessage = $compose_messages[$session];
         foreach($delete as $index) {
-            $attached_file = $composeMessage->entities[$index]->att_local_name;
-            unlink ($attached_file);
-            unset ($composeMessage->entities[$index]);
+            if (!empty($composeMessage->entities) && isset($composeMessage->entities[$index])) {
+                $composeMessage->entities[$index]->purgeAttachments();
+                unset ($composeMessage->entities[$index]);
+            }
         }
         $new_entities = array();
         foreach ($composeMessage->entities as $entity) {
@@ -505,9 +652,9 @@ elseif (isset($sigappend)) {
      */
 
     if ($compose_new_win == '1') {
-       compose_Header($color, $mailbox);
+        compose_Header($color, $mailbox);
     } else {
-       displayPageHeader($color, $mailbox);
+        displayPageHeader($color, $mailbox);
     }
 
     $newmail = true;
@@ -529,16 +676,16 @@ elseif (isset($sigappend)) {
 
     /* in case the origin is not read_body.php */
     if (isset($send_to)) {
-       $values['send_to'] = $send_to;
+        $values['send_to'] = $send_to;
     }
     if (isset($send_to_cc)) {
-       $values['send_to_cc'] = $send_to_cc;
+        $values['send_to_cc'] = $send_to_cc;
     }
     if (isset($send_to_bcc)) {
-       $values['send_to_bcc'] = $send_to_bcc;
+        $values['send_to_bcc'] = $send_to_bcc;
     }
     if (isset($subject)) {
-       $values['subject'] = $subject;
+        $values['subject'] = $subject;
     }
     showInputForm($session, $values);
 }
@@ -550,8 +697,8 @@ exit();
 function getforwardSubject($subject)
 {
     if ((substr(strtolower($subject), 0, 4) != 'fwd:') &&
-        (substr(strtolower($subject), 0, 5) != '[fwd:') &&
-        (substr(strtolower($subject), 0, 6) != '[ fwd:')) {
+            (substr(strtolower($subject), 0, 5) != '[fwd:') &&
+            (substr(strtolower($subject), 0, 6) != '[ fwd:')) {
         $subject = '[Fwd: ' . $subject . ']';
     }
     return $subject;
@@ -560,17 +707,25 @@ function getforwardSubject($subject)
 /* This function is used when not sending or adding attachments */
 function newMail ($mailbox='', $passed_id='', $passed_ent_id='', $action='', $session='') {
     global $editor_size, $default_use_priority, $body, $idents,
-           $use_signature, $composesession, $data_dir, $username,
-           $username, $key, $imapServerAddress, $imapPort, $compose_messages,
-           $composeMessage;
+        $use_signature, $data_dir, $username,
+        $key, $imapServerAddress, $imapPort, $compose_messages,
+        $composeMessage, $body_quote, $request_mdn, $request_dr,
+        $default_use_mdn, $mdn_user_support;
     global $languages, $squirrelmail_language, $default_charset;
 
+    /*
+     * Set $default_charset to correspond with the user's selection
+     * of language interface. $default_charset global is not correct,
+     * if message is composed in new window.
+     */
+    set_my_charset();
+
     $send_to = $send_to_cc = $send_to_bcc = $subject = $identity = '';
     $mailprio = 3;
 
     if ($passed_id) {
-        $imapConnection = sqimap_login($username, $key, $imapServerAddress,
-        $imapPort, 0);
+        $imapConnection = sqimap_login($username, false, $imapServerAddress,
+                $imapPort, 0);
 
         sqimap_mailbox_select($imapConnection, $mailbox);
         $message = sqimap_get_message($imapConnection, $passed_id, $mailbox);
@@ -580,15 +735,15 @@ function newMail ($mailbox='', $passed_id='', $passed_ent_id='', $action='', $se
             /* redefine the messsage in case of message/rfc822 */
             $message = $message->getEntity($passed_ent_id);
             /* message is an entity which contains the envelope and type0=message
-            * and type1=rfc822. The actual entities are childs from
-            * $message->entities[0]. That's where the encoding and is located
-            */
+             * and type1=rfc822. The actual entities are childs from
+             * $message->entities[0]. That's where the encoding and is located
+             */
 
             $entities = $message->entities[0]->findDisplayEntity
-            (array(), $alt_order = array('text/plain'));
+                (array(), $alt_order = array('text/plain'));
             if (!count($entities)) {
                 $entities = $message->entities[0]->findDisplayEntity
-                (array(), $alt_order = array('text/plain','html/plain'));
+                    (array(), $alt_order = array('text/plain','html/plain'));
             }
             $orig_header = $message->rfc822_header; /* here is the envelope located */
             /* redefine the message for picking up the attachments */
@@ -602,37 +757,40 @@ function newMail ($mailbox='', $passed_id='', $passed_ent_id='', $action='', $se
             $orig_header = $message->rfc822_header;
         }
 
-        $encoding = $message->header->encoding;
         $type0 = $message->type0;
         $type1 = $message->type1;
         foreach ($entities as $ent) {
+            $msg = $message->getEntity($ent);
+            $type0 = $msg->type0;
+            $type1 = $msg->type1;
             $unencoded_bodypart = mime_fetch_body($imapConnection, $passed_id, $ent);
             $body_part_entity = $message->getEntity($ent);
-            $bodypart = decodeBody($unencoded_bodypart,
-            $body_part_entity->header->encoding);
+            $bodypart = decodeBody($unencoded_bodypart, 
+                    $body_part_entity->header->encoding);
             if ($type1 == 'html') {
                 $bodypart = str_replace("\n", ' ', $bodypart);
-                $bodypart = preg_replace(array('/<p>/i','/<br\s*(\/)*>/i'), "\n", $bodypart);
+                $bodypart = preg_replace(array('/<\/?p>/i','/<div><\/div>/i','/<br\s*(\/)*>/i','/<\/?div>/i'), "\n", $bodypart);
                 $bodypart = str_replace(array('&nbsp;','&gt;','&lt;'),array(' ','>','<'),$bodypart);
                 $bodypart = strip_tags($bodypart);
-
             }
             if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
-                function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
+                    function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode')) {
                 if (mb_detect_encoding($bodypart) != 'ASCII') {
-                    $bodypart = $languages[$squirrelmail_language]['XTRA_CODE']('decode', $bodypart);
+                    $bodypart = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode', $bodypart);
                 }
             }
 
-        if (isset($body_part_entity->header->parameters['charset'])) {
-            $actual = $body_part_entity->header->parameters['charset'];
-        } else {
-            $actual = 'us-ascii';
-        }
+            // charset encoding in compose form stuff
+            if (isset($body_part_entity->header->parameters['charset'])) {
+                $actual = $body_part_entity->header->parameters['charset'];
+            } else {
+                $actual = 'us-ascii';
+            }
 
-        if ( $actual && is_conversion_safe($actual) && $actual != $default_charset){
-        $bodypart = charset_decode($actual,$bodypart);
-        }
+            if ( $actual && is_conversion_safe($actual) && $actual != $default_charset){
+                $bodypart = charset_convert($actual,$bodypart,$default_charset,false);
+            }
+            // end of charset encoding in compose
 
             $body .= $bodypart;
         }
@@ -644,10 +802,14 @@ function newMail ($mailbox='', $passed_id='', $passed_ent_id='', $action='', $se
         } else {
             $mailprio = '';
         }
-        //ClearAttachments($session);
 
         $identity = '';
         $from_o = $orig_header->from;
+        if (is_array($from_o)) {
+            if (isset($from_o[0])) {
+                $from_o = $from_o[0];
+            }
+        }
         if (is_object($from_o)) {
             $orig_from = $from_o->getAddress();
         } else {
@@ -669,120 +831,121 @@ function newMail ($mailbox='', $passed_id='', $passed_ent_id='', $action='', $se
             if ($identity_match) {
                 $identity = $identity_match;
             }
-        // we need identiy here fore draft case #845290
-        // echo $identity."leer";
         }
 
         switch ($action) {
-        case ('draft'):
-            $use_signature = FALSE;
-            $composeMessage->rfc822_header = $orig_header;
-            $send_to = decodeHeader($orig_header->getAddr_s('to'),false,true,true);
-            $send_to_cc = decodeHeader($orig_header->getAddr_s('cc'),false,true,true);
-            $send_to_bcc = decodeHeader($orig_header->getAddr_s('bcc'),false,true,true);
-            $send_from = $orig_header->getAddr_s('from');
-            $send_from_parts = new AddressStructure();
-            $send_from_parts = $orig_header->parseAddress($send_from);
-            $send_from_add = $send_from_parts->mailbox . '@' . $send_from_parts->host;
-            $identities = get_identities();
-            if (count($identities) > 0) {
-                foreach($identities as $iddata) {
-                    if ($send_from_add == $iddata['email_address']) {
-                        $identity = $iddata['index'];
-                        break;
+            case ('draft'):
+                $use_signature = FALSE;
+                $composeMessage->rfc822_header = $orig_header;
+                $send_to = decodeHeader($orig_header->getAddr_s('to'),false,false,true);
+                $send_to_cc = decodeHeader($orig_header->getAddr_s('cc'),false,false,true);
+                $send_to_bcc = decodeHeader($orig_header->getAddr_s('bcc'),false,false,true);
+                $send_from = $orig_header->getAddr_s('from');
+                $send_from_parts = new AddressStructure();
+                $send_from_parts = $orig_header->parseAddress($send_from);
+                $send_from_add = $send_from_parts->mailbox . '@' . $send_from_parts->host;
+                $identities = get_identities();
+                if (count($identities) > 0) {
+                    foreach($identities as $iddata) {
+                        if ($send_from_add == $iddata['email_address']) {
+                            $identity = $iddata['index'];
+                            break;
+                        }
                     }
                 }
-            }
-            $subject = decodeHeader($orig_header->subject,false,true,true);
-//            /* remember the references and in-reply-to headers in case of an reply */
-            $composeMessage->rfc822_header->more_headers['References'] = $orig_header->references;
-            $composeMessage->rfc822_header->more_headers['In-Reply-To'] = $orig_header->in_reply_to;
-            $body_ary = explode("\n", $body);
-            $cnt = count($body_ary) ;
-            $body = '';
-            for ($i=0; $i < $cnt; $i++) {
-                if (!ereg("^[>\\s]*$", $body_ary[$i])  || !$body_ary[$i]) {
-                    sqWordWrap($body_ary[$i], $editor_size );
-                    $body .= $body_ary[$i] . "\n";
-                }
-                unset($body_ary[$i]);
-            }
-            sqUnWordWrap($body);
-            $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
-            break;
-        case ('edit_as_new'):
-            $send_to = decodeHeader($orig_header->getAddr_s('to'),false,true,true);
-            $send_to_cc = decodeHeader($orig_header->getAddr_s('cc'),false,true,true);
-            $send_to_bcc = decodeHeader($orig_header->getAddr_s('bcc'),false,true,true);
-            $subject = decodeHeader($orig_header->subject,false,true,true);
-            $mailprio = $orig_header->priority;
-            $orig_from = '';
-            $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
-            sqUnWordWrap($body);
-            break;
-        case ('forward'):
-            $send_to = '';
-            $subject = getforwardSubject(decodeHeader($orig_header->subject,false,true,true));
-            $body = getforwardHeader($orig_header) . $body;
-            sqUnWordWrap($body);
-            $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
-            $body = "\n" . $body;
-            break;
-        case ('forward_as_attachment'):
-            $subject = getforwardSubject(decodeHeader($orig_header->subject,false,true,true));
-            $composeMessage = getMessage_RFC822_Attachment($message, $composeMessage, $passed_id, $passed_ent_id, $imapConnection);
-            $body = '';
-            break;
-        case ('reply_all'):
-            if(isset($orig_header->mail_followup_to) && $orig_header->mail_followup_to) {
-                $send_to = $orig_header->getAddr_s('mail_followup_to');
-            } else {
-                $send_to_cc = replyAllString($orig_header);
-                $send_to_cc = decodeHeader($send_to_cc,false,true,true);
-            }
-        case ('reply'):
-            // skip this if send_to was already set right above here
-            if(!$send_to) {
-                $send_to = $orig_header->reply_to;
-                if (is_array($send_to) && count($send_to)) {
-                    $send_to = $orig_header->getAddr_s('reply_to');
-                } else if (is_object($send_to)) { /* unneccesarry, just for failsafe purpose */
-                    $send_to = $orig_header->getAddr_s('reply_to');
+                $subject = decodeHeader($orig_header->subject,false,false,true);
+                
+                // Remember the receipt settings
+                $request_mdn = $mdn_user_support && !empty($orig_header->dnt) ? '1' : '0';
+                $request_dr = $mdn_user_support && !empty($orig_header->drnt) ? '1' : '0';
+                
+                /* remember the references and in-reply-to headers in case of an reply */
+                $composeMessage->rfc822_header->more_headers['References'] = $orig_header->references;
+                $composeMessage->rfc822_header->more_headers['In-Reply-To'] = $orig_header->in_reply_to;
+                // rewrap the body to clean up quotations and line lengths
+                sqBodyWrap($body, $editor_size);
+                $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
+                break;
+            case ('edit_as_new'):
+                $send_to = decodeHeader($orig_header->getAddr_s('to'),false,false,true);
+                $send_to_cc = decodeHeader($orig_header->getAddr_s('cc'),false,false,true);
+                $send_to_bcc = decodeHeader($orig_header->getAddr_s('bcc'),false,false,true);
+                $subject = decodeHeader($orig_header->subject,false,false,true);
+                $mailprio = $orig_header->priority;
+                $orig_from = '';
+                $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
+                // rewrap the body to clean up quotations and line lengths
+                sqBodyWrap($body, $editor_size);
+                break;
+            case ('forward'):
+                $send_to = '';
+                $subject = getforwardSubject(decodeHeader($orig_header->subject,false,false,true));
+                $body = getforwardHeader($orig_header) . $body;
+                // the logic for calling sqUnWordWrap here would be to allow the browser to wrap the lines
+                // forwarded message text should be as undisturbed as possible, so commenting out this call
+                // sqUnWordWrap($body);
+                $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
+
+                //add a blank line after the forward headers
+                $body = "\n" . $body;
+                break;
+            case ('forward_as_attachment'):
+                $subject = getforwardSubject(decodeHeader($orig_header->subject,false,false,true));
+                $composeMessage = getMessage_RFC822_Attachment($message, $composeMessage, $passed_id, $passed_ent_id, $imapConnection);
+                $body = '';
+                break;
+            case ('reply_all'):
+                if(isset($orig_header->mail_followup_to) && $orig_header->mail_followup_to) {
+                    $send_to = $orig_header->getAddr_s('mail_followup_to');
                 } else {
-                    $send_to = $orig_header->getAddr_s('from');
+                    $send_to_cc = replyAllString($orig_header);
+                    $send_to_cc = decodeHeader($send_to_cc,false,false,true);
                 }
-            }
-            $send_to = decodeHeader($send_to,false,true,true);
-            $subject = decodeHeader($orig_header->subject,false,true,true);
-            $subject = str_replace('"', "'", $subject);
-            $subject = trim($subject);
-            if (substr(strtolower($subject), 0, 3) != 're:') {
-                $subject = 'Re: ' . $subject;
-            }
-            /* this corrects some wrapping/quoting problems on replies */
-            $rewrap_body = explode("\n", $body);
-            $from =  (is_array($orig_header->from)) ? $orig_header->from[0] : $orig_header->from;
-            sqUnWordWrap($body);    // unwrap and then reset it?!
-            $body = '';
-            $strip_sigs = getPref($data_dir, $username, 'strip_sigs');
-            foreach ($rewrap_body as $line) {
-                if ($strip_sigs && substr($line,0,3) == '-- ') {
-            break;
+            case ('reply'):
+                // skip this if send_to was already set right above here
+                if(!$send_to) {
+                    $send_to = $orig_header->reply_to;
+                    if (is_array($send_to) && count($send_to)) {
+                        $send_to = $orig_header->getAddr_s('reply_to');
+                    } else if (is_object($send_to)) { /* unneccesarry, just for failsafe purpose */
+                        $send_to = $orig_header->getAddr_s('reply_to');
+                    } else {
+                        $send_to = $orig_header->getAddr_s('from');
+                    }
                 }
-                sqWordWrap($line, ($editor_size));
-                if (preg_match("/^(>+)/", $line, $matches)) {
-                    $gt = $matches[1];
-                    $body .= '>' . str_replace("\n", "\n>$gt ", rtrim($line)) ."\n";
-                } else {
-                    $body .= '> ' . str_replace("\n", "\n> ", rtrim($line)) . "\n";
+                $send_to = decodeHeader($send_to,false,false,true);
+                $subject = decodeHeader($orig_header->subject,false,false,true);
+                $subject = str_replace('"', "'", $subject);
+                $subject = trim($subject);
+                if (substr(strtolower($subject), 0, 3) != 're:') {
+                    $subject = 'Re: ' . $subject;
                 }
-            }
-            $body = getReplyCitation($from) . $body;
-            $composeMessage->reply_rfc822_header = $orig_header;
+                /* this corrects some wrapping/quoting problems on replies */
+                $rewrap_body = explode("\n", $body);
+                $from =  (is_array($orig_header->from)) ? $orig_header->from[0] : $orig_header->from;
+                $body = '';
+                $strip_sigs = getPref($data_dir, $username, 'strip_sigs');
+                foreach ($rewrap_body as $line) {
+                    if ($strip_sigs && substr($line,0,3) == '-- ') {
+                        break;
+                    }
+                    if (preg_match("/^(>+)/", $line, $matches)) {
+                        $gt = $matches[1];
+                        $body .= $body_quote . str_replace("\n", "\n$body_quote$gt ", rtrim($line)) ."\n";
+                    } else {
+                        $body .= $body_quote . (!empty($body_quote) ? ' ' : '') . str_replace("\n", "\n$body_quote" . (!empty($body_quote) ? ' ' : ''), rtrim($line)) . "\n";
+                    }
+                }
+
+                //rewrap the body to clean up quotations and line lengths
+                $body = sqBodyWrap ($body, $editor_size);
+
+                $body = getReplyCitation($from , $orig_header->date) . $body;
+                $composeMessage->reply_rfc822_header = $orig_header;
 
-            break;
-        default:
-            break;
+                break;
+            default:
+                break;
         }
         $compose_messages[$session] = $composeMessage;
         sqsession_register($compose_messages, 'compose_messages');
@@ -790,63 +953,71 @@ function newMail ($mailbox='', $passed_id='', $passed_ent_id='', $action='', $se
         sqimap_logout($imapConnection);
     }
     $ret = array( 'send_to' => $send_to,
-                  'send_to_cc' => $send_to_cc,
-                  'send_to_bcc' => $send_to_bcc,
-                  'subject' => $subject,
-                  'mailprio' => $mailprio,
-                  'body' => $body,
-                  'identity' => $identity );
+            'send_to_cc' => $send_to_cc,
+            'send_to_bcc' => $send_to_bcc,
+            'subject' => $subject,
+            'mailprio' => $mailprio,
+            'body' => $body,
+            'identity' => $identity );
 
     return ($ret);
 } /* function newMail() */
 
+/**
+ * downloads attachments from original message, stores them in attachment directory and adds
+ * them to composed message.
+ * @param object $message
+ * @param object $composeMessage
+ * @param integer $passed_id
+ * @param mixed $entities
+ * @param mixed $imapConnection
+ * @return object
+ */
 function getAttachments($message, &$composeMessage, $passed_id, $entities, $imapConnection) {
-    global $attachment_dir, $username, $data_dir, $squirrelmail_language;
+    global $attachment_dir, $username, $data_dir, $squirrelmail_language, $languages;
     $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
     if (!count($message->entities) ||
-       ($message->type0 == 'message' && $message->type1 == 'rfc822')) {
+            ($message->type0 == 'message' && $message->type1 == 'rfc822')) {
         if ( !in_array($message->entity_id, $entities) && $message->entity_id) {
-           switch ($message->type0) {
-           case 'message':
-                if ($message->type1 == 'rfc822') {
-                    $filename = $message->rfc822_header->subject;
-                    if ($filename == "") {
-                        $filename = "untitled-".$message->entity_id;
+            switch ($message->type0) {
+                case 'message':
+                    if ($message->type1 == 'rfc822') {
+                        $filename = $message->rfc822_header->subject;
+                        if ($filename == "") {
+                            $filename = "untitled-".$message->entity_id;
+                        }
+                        $filename .= '.msg';
+                    } else {
+                        $filename = $message->getFilename();
                     }
-                    $filename .= '.msg';
-                 } else {
-                   $filename = $message->getFilename();
-                 }
-             break;
-           default:
-             if (!$message->mime_header) { /* temporary hack */
-                 $message->mime_header = $message->header;
-             }
-             $filename = $message->getFilename();
-             break;
-           }
-           $filename = str_replace('&nbsp;', ' ', decodeHeader($filename));
-           if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
-               function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
-                $filename =  $languages[$squirrelmail_language]['XTRA_CODE']('encode', $filename);
-           }
-           $localfilename = GenerateRandomString(32, '', 7);
-           $full_localfilename = "$hashed_attachment_dir/$localfilename";
-           while (file_exists($full_localfilename)) {
-               $localfilename = GenerateRandomString(32, '', 7);
-               $full_localfilename = "$hashed_attachment_dir/$localfilename";
-           }
-           $message->att_local_name = $full_localfilename;
-
-       $composeMessage->initAttachment($message->type0.'/'.$message->type1,$filename,
-             $full_localfilename);
-
-           /* Write Attachment to file */
-           $fp = fopen ("$hashed_attachment_dir/$localfilename", 'wb');
-           fputs($fp, decodeBody(mime_fetch_body($imapConnection,
-              $passed_id, $message->entity_id),
-              $message->header->encoding));
-           fclose ($fp);
+                    break;
+                default:
+                    if (!$message->mime_header) { /* temporary hack */
+                        $message->mime_header = $message->header;
+                    }
+                    $filename = $message->getFilename();
+                    break;
+            }
+            $filename = str_replace('&#32;', ' ', decodeHeader($filename));
+            if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
+                    function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_encode')) {
+                $filename =  call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_encode', $filename);
+            }
+            $localfilename = GenerateRandomString(32, '', 7);
+            $full_localfilename = "$hashed_attachment_dir/$localfilename";
+            while (file_exists($full_localfilename)) {
+                $localfilename = GenerateRandomString(32, '', 7);
+                $full_localfilename = "$hashed_attachment_dir/$localfilename";
+            }
+            $message->att_local_name = $full_localfilename;
+
+            $composeMessage->initAttachment($message->type0.'/'.$message->type1,$filename,
+                    $full_localfilename);
+
+            /* Write Attachment to file */
+            $fp = fopen ("$hashed_attachment_dir/$localfilename", 'wb');
+            mime_print_body_lines ($imapConnection, $passed_id, $message->entity_id, $message->header->encoding, $fp);
+            fclose ($fp);
         }
     } else {
         for ($i=0, $entCount=count($message->entities); $i<$entCount;$i++) {
@@ -857,18 +1028,18 @@ function getAttachments($message, &$composeMessage, $passed_id, $entities, $imap
 }
 
 function getMessage_RFC822_Attachment($message, $composeMessage, $passed_id,
-                                      $passed_ent_id='', $imapConnection) {
-    global $attachments, $attachment_dir, $username, $data_dir, $uid_support;
+        $passed_ent_id='', $imapConnection) {
+    global $attachment_dir, $username, $data_dir;
     $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
     if (!$passed_ent_id) {
         $body_a = sqimap_run_command($imapConnection,
-                                    'FETCH '.$passed_id.' RFC822',
-                                    TRUE, $response, $readmessage,
-                                    $uid_support);
+                'FETCH '.$passed_id.' RFC822',
+                TRUE, $response, $readmessage,
+                TRUE);
     } else {
         $body_a = sqimap_run_command($imapConnection,
-                                     'FETCH '.$passed_id.' BODY['.$passed_ent_id.']',
-                                     TRUE, $response, $readmessage, $uid_support);
+                'FETCH '.$passed_id.' BODY['.$passed_ent_id.']',
+                TRUE, $response, $readmessage, TRUE);
         $message = $message->parent;
     }
     if ($response == 'OK') {
@@ -884,359 +1055,309 @@ function getMessage_RFC822_Attachment($message, $composeMessage, $passed_id,
         fwrite ($fp, $body);
         fclose($fp);
         $composeMessage->initAttachment('message/rfc822',$subject.'.msg',
-                         $full_localfilename);
+                $full_localfilename);
     }
     return $composeMessage;
 }
 
 function showInputForm ($session, $values=false) {
-    global $send_to, $send_to_cc, $body, $startMessage,
-           $passed_body, $color, $use_signature, $signature, $prefix_sig,
-           $editor_size, $attachments, $subject, $newmail,
-           $use_javascript_addr_book, $send_to_bcc, $passed_id, $mailbox,
-           $from_htmladdr_search, $location_of_buttons, $attachment_dir,
-           $username, $data_dir, $identity, $idents, $draft_id, $delete_draft,
-           $mailprio, $default_use_mdn, $mdn_user_support, $compose_new_win,
-           $saved_draft, $mail_sent, $sig_first, $edit_as_new, $action,
-           $username, $compose_messages, $composesession, $default_charset;
+    global $send_to, $send_to_cc, $body, $startMessage, $action,
+        $color, $use_signature, $signature, $prefix_sig,
+        $editor_size, $editor_height, $subject, $newmail,
+        $use_javascript_addr_book, $send_to_bcc, $passed_id, $mailbox,
+        $from_htmladdr_search, $location_of_buttons, $attachment_dir,
+        $username, $data_dir, $identity, $idents, $delete_draft,
+        $mailprio, $compose_new_win, $saved_draft, $mail_sent, $sig_first,
+        $compose_messages, $composesession, $default_charset,
+        $compose_onsubmit, $oTemplate, $oErrorHandler;
+
+    if (checkForJavascript()) {
+        $onfocus = ' onfocus="alreadyFocused=true;"';
+        $onfocus_array = array('onfocus' => 'alreadyFocused=true;');
+    }
+    else {
+        $onfocus = '';
+        $onfocus_array = array();
+    }
 
     $composeMessage = $compose_messages[$session];
-
     if ($values) {
-       $send_to = $values['send_to'];
-       $send_to_cc = $values['send_to_cc'];
-       $send_to_bcc = $values['send_to_bcc'];
-       $subject = $values['subject'];
-       $mailprio = $values['mailprio'];
-       $body = $values['body'];
-       $identity = (int) $values['identity'];
+        $send_to = $values['send_to'];
+        $send_to_cc = $values['send_to_cc'];
+        $send_to_bcc = $values['send_to_bcc'];
+        $subject = $values['subject'];
+        $mailprio = $values['mailprio'];
+        $body = $values['body'];
+        $identity = (int) $values['identity'];
     } else {
-       $send_to = decodeHeader($send_to);
-       $send_to_cc = decodeHeader($send_to_cc);
-       $send_to_bcc = decodeHeader($send_to_bcc);
+        $send_to = decodeHeader($send_to, true, false);
+        $send_to_cc = decodeHeader($send_to_cc, true, false);
+        $send_to_bcc = decodeHeader($send_to_bcc, true, false);
     }
 
     if ($use_javascript_addr_book) {
-        echo "\n". '<SCRIPT LANGUAGE=JavaScript>'."\n<!--\n" .
-             'function open_abook() { ' . "\n" .
-             '  var nwin = window.open("addrbook_popup.php","abookpopup",' .
-             '"width=670,height=300,resizable=yes,scrollbars=yes");' . "\n" .
-             '  if((!nwin.opener) && (document.windows != null))' . "\n" .
-             '    nwin.opener = document.windows;' . "\n" .
-             "}\n" .
-             "// -->\n</SCRIPT>\n\n";
+        echo "\n". '<script type="text/javascript">'."\n<!--\n" .
+            'function open_abook() { ' . "\n" .
+            '  var nwin = window.open("addrbook_popup.php","abookpopup",' .
+            '"width=670,height=300,resizable=yes,scrollbars=yes");' . "\n" .
+            '  if((!nwin.opener) && (document.windows != null))' . "\n" .
+            '    nwin.opener = document.windows;' . "\n" .
+            "}\n" .
+            "// -->\n</script>\n\n";
     }
 
     echo "\n" . '<form name="compose" action="compose.php" method="post" ' .
-         'enctype="multipart/form-data"';
-    do_hook('compose_form');
+        'enctype="multipart/form-data"';
+
+    $compose_onsubmit = array();
+    global $null;
+    do_hook('compose_form', $null);
+
+    // Plugins that use compose_form hook can add an array entry
+    // to the globally scoped $compose_onsubmit; we add them up
+    // here and format the form tag's full onsubmit handler.
+    // Each plugin should use "return false" if they need to
+    // stop form submission but otherwise should NOT use "return
+    // true" to give other plugins the chance to do what they need
+    // to do; SquirrelMail itself will add the final "return true".
+    // Onsubmit text is enclosed inside of double quotes, so plugins
+    // need to quote accordingly.
+    if (checkForJavascript()) {
+        $onsubmit_text = ' onsubmit="';
+        if (empty($compose_onsubmit))
+            $compose_onsubmit = array();
+        else if (!is_array($compose_onsubmit))
+            $compose_onsubmit = array($compose_onsubmit);
+
+        foreach ($compose_onsubmit as $text) {
+            $text = trim($text);
+            if (substr($text, -1) != ';' && substr($text, -1) != '}')
+                $text .= '; ';
+            $onsubmit_text .= $text;
+        }
+
+        echo $onsubmit_text . ' return true;"';
+    }
+
 
     echo ">\n";
 
-    echo '<input type="hidden" name="startMessage" value="' . $startMessage . "\">\n";
+    echo addHidden('startMessage', $startMessage);
 
     if ($action == 'draft') {
-        echo '<input type="hidden" name="delete_draft" value="' . $passed_id . "\">\n";
+        echo addHidden('delete_draft', $passed_id);
     }
     if (isset($delete_draft)) {
-        echo '<input type="hidden" name="delete_draft" value="' . $delete_draft. "\">\n";
+        echo addHidden('delete_draft', $delete_draft);
     }
     if (isset($session)) {
-        echo '<input type="hidden" name="session" value="' . $session . "\">\n";
+        echo addHidden('session', $session);
     }
 
     if (isset($passed_id)) {
-        echo '<input type="hidden" name="passed_id" value="' . $passed_id . "\">\n";
+        echo addHidden('passed_id', $passed_id);
     }
 
     if ($saved_draft == 'yes') {
-        echo '<BR><CENTER><B>'. _("Draft Saved").'</CENTER></B>';
+        $oTemplate->assign('note', _("Draft Saved"));
+        $oTemplate->display('note.tpl');
     }
     if ($mail_sent == 'yes') {
-        echo '<BR><CENTER><B>'. _("Your Message has been sent.").'</CENTER></B>';
+        $oTemplate->assign('note', _("Your message has been sent."));
+        $oTemplate->display('note.tpl');
     }
-    echo '<table align="center" cellspacing="0" border="0">' . "\n";
     if ($compose_new_win == '1') {
-        echo '<TABLE ALIGN=CENTER BGCOLOR="'.$color[0].'" WIDTH="100%" BORDER=0>'."\n" .
-             '   <TR><TD></TD>'. html_tag( 'td', '', 'right' ) . '<INPUT TYPE="BUTTON" NAME="Close" onClick="return self.close()" VALUE='._("Close").'></TD></TR>'."\n";
+        $oTemplate->display('compose_newwin_close.tpl');
     }
+    
     if ($location_of_buttons == 'top') {
         showComposeButtonRow();
     }
 
-    /* display select list for identities */
+    $identities = array();
     if (count($idents) > 1) {
-        echo '   <tr>' . "\n" .
-                    html_tag( 'td', '', 'right', $color[4], 'width="10%"' ) .
-                    _("From:") . '</td>' . "\n" .
-                    html_tag( 'td', '', 'left', $color[4], 'width="90%"' ) .
-             '         <select name="identity">' . "\n" ;
-        foreach($idents as $id=>$data) {
-            echo '<option value="'.$id.'"';
-            if($id == $identity) {
-                echo ' selected';
-            }
-            echo '>'.htmlspecialchars($data['full_name'].' <'.$data['email_address'].'>').
-                 "</option>\n";
+        reset($idents);
+        foreach($idents as $id => $data) {
+            $identities[$id] = $data['full_name'].' &lt;'.$data['email_address'].'&gt;';
         }
-
-        echo '</select>' . "\n" .
-             '      </td>' . "\n" .
-             '   </tr>' . "\n";
-    }
-    echo '   <tr>' . "\n" .
-                html_tag( 'td', '', 'right', $color[4], 'width="10%"' ) .
-                _("To:") . '</TD>' . "\n" .
-                html_tag( 'td', '', 'left', $color[4], 'width="90%"' ) .
-         '         <input type="text" name="send_to" value="' .
-                   $send_to . '" size="60" /><br />' . "\n" .
-         '      </td>' . "\n" .
-         '   </tr>' . "\n" .
-         '   <tr>' . "\n" .
-                html_tag( 'td', '', 'right', $color[4] ) .
-                _("CC:") . '</td>' . "\n" .
-                html_tag( 'td', '', 'left', $color[4] ) .
-         '         <input type="text" name="send_to_cc" size="60" value="' .
-                   $send_to_cc . '" /><br />' . "\n" .
-         '      </td>' . "\n" .
-         '   </tr>' . "\n" .
-         '   <tr>' . "\n" .
-                html_tag( 'td', '', 'right', $color[4] ) .
-                _("BCC:") . '</td>' . "\n" .
-                html_tag( 'td', '', 'left', $color[4] ) .
-         '         <input type="text" name="send_to_bcc" value="' .
-                $send_to_bcc . '" size="60" /><br />' . "\n" .
-         '      </td>' . "\n" .
-         '   </tr>' . "\n" .
-         '   <tr>' . "\n" .
-                html_tag( 'td', '', 'right', $color[4] ) .
-                _("Subject:") . '</td>' . "\n" .
-                html_tag( 'td', '', 'left', $color[4] ) . "\n";
-    echo '         <input type="text" name="subject" size="60" value="' .
-                   $subject . '" />' . "\n" .
-         '      </td>' . "\n" .
-         '   </tr>' . "\n\n";
+    }
+    
+    $oTemplate->assign('identities', $identities);
+    $oTemplate->assign('identity_def', $identity);
+    $oTemplate->assign('input_onfocus', 'onfocus="'.join(' ', $onfocus_array).'"');
+    
+    $oTemplate->assign('to', htmlspecialchars($send_to));
+    $oTemplate->assign('cc', htmlspecialchars($send_to_cc));
+    $oTemplate->assign('bcc', htmlspecialchars($send_to_bcc));
+    $oTemplate->assign('subject', htmlspecialchars($subject));
+        
+    $oTemplate->display('compose_header.tpl');
 
     if ($location_of_buttons == 'between') {
         showComposeButtonRow();
     }
 
-    /* why this distinction? */
-    if ($compose_new_win == '1') {
-        echo '   <TR>' . "\n" .
-             '      <TD BGCOLOR="' . $color[0] . '" COLSPAN=2 ALIGN=CENTER>' . "\n" .
-             '         <TEXTAREA NAME=body ID=body ROWS=20 COLS="' .
-                       $editor_size . '" WRAP="VIRTUAL">';
-    }
-    else {
-        echo '   <TR>' . "\n" .
-            '      <TD BGCOLOR="' . $color[4] . '" COLSPAN=2>' . "\n" .
-            '         &nbsp;&nbsp;<TEXTAREA NAME=body ID=body ROWS=20 COLS="' .
-                      $editor_size . '" WRAP="VIRTUAL">';
-    }
-
+    $body_str = '';
     if ($use_signature == true && $newmail == true && !isset($from_htmladdr_search)) {
         $signature = $idents[$identity]['signature'];
 
         if ($sig_first == '1') {
+            /*
+             * FIXME: test is specific to ja_JP translation implementation.
+             * This test might apply incorrect conversion to other translations, but
+             * use of 7bit iso-2022-jp charset in other translations might have other
+             * issues too.
+             */
             if ($default_charset == 'iso-2022-jp') {
-                echo "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
+                $body_str = "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
             } else {
-            echo "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
+                $body_str = "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
             }
-            echo "\n\n".decodeHeader($body,false,false);
-        }
-        else {
-            echo "\n\n".decodeHeader($body,false,false);
+            $body_str .= "\n\n".htmlspecialchars(decodeHeader($body,false,false));
+        } else {
+            $body_str = "\n\n".htmlspecialchars(decodeHeader($body,false,false));
+            // FIXME: test is specific to ja_JP translation implementation. See above comments.
             if ($default_charset == 'iso-2022-jp') {
-                echo "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
-            }else{
-            echo "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
+                $body_str .= "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
+            } else {
+                $body_str .= "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
+            }
         }
+    } else {
+        $body_str = htmlspecialchars(decodeHeader($body,false,false));
     }
-    }
-    else {
-       echo decodeHeader($body,false,false);
-    }
-    echo '</textarea><br />' . "\n" .
-         '      </td>' . "\n" .
-         '   </tr>' . "\n";
-
 
+    $oTemplate->assign('editor_width', (int)$editor_size);
+    $oTemplate->assign('editor_height', (int)$editor_height);
+    $oTemplate->assign('input_onfocus', 'onfocus="'.join(' ', $onfocus_array).'"');
+    $oTemplate->assign('body', $body_str);
+    $oTemplate->assign('show_bottom_send', $location_of_buttons!='bottom');
+    
+    $oTemplate->display ('compose_body.tpl');
+    
     if ($location_of_buttons == 'bottom') {
         showComposeButtonRow();
-    } else {
-        echo '   <tr>' . "\n" .
-                    html_tag( 'td', '', 'right', '', 'colspan="2"' ) . "\n" .
-             '         <input type="submit" name="send" value="' . _("Send") . '" />' . "\n" .
-             '         &nbsp;&nbsp;&nbsp;&nbsp;<br /><br />' . "\n" .
-             '      </td>' . "\n" .
-             '   </tr>' . "\n";
     }
 
     /* This code is for attachments */
-        if ((bool) ini_get('file_uploads')) {
-
-    /* Calculate the max size for an uploaded file.
-     * This is advisory for the user because we can't actually prevent
-     * people to upload too large files. */
-    $sizes = array();
-    /* php.ini vars which influence the max for uploads */
-    $configvars = array('post_max_size', 'memory_limit', 'upload_max_filesize');
-    foreach($configvars as $var) {
-        /* skip 0 or empty values */
-        if( $size = getByteSize(ini_get($var)) ) {
-            $sizes[] = $size;
+    if ((bool) ini_get('file_uploads')) {
+
+        /* Calculate the max size for an uploaded file.
+         * This is advisory for the user because we can't actually prevent
+         * people to upload too large files. */
+        $sizes = array();
+        /* php.ini vars which influence the max for uploads */
+        $configvars = array('post_max_size', 'memory_limit', 'upload_max_filesize');
+        foreach($configvars as $var) {
+            /* skip 0 or empty values, and -1 which means 'unlimited' */
+            if( $size = getByteSize(ini_get($var)) ) {
+                if ( $size != '-1' ) {
+                    $sizes[] = $size;
+                }
+            }
         }
-    }
 
-    if(count($sizes) > 0) {
-        $maxsize = '(max.&nbsp;' . show_readable_size( min( $sizes ) ) . ')';
-    } else {
-        $maxsize = '';
-    }
-    echo '<INPUT TYPE="hidden" name="MAX_FILE_SIZE" value="'.min( $sizes ).'">';
-    echo '   <tr>' . "\n" .
-         '      <td colspan="2">' . "\n" .
-         '         <table width="100%" cellpadding="1" cellspacing="0" align="center"'.
-                   ' border="0" bgcolor="'.$color[9].'">' . "\n" .
-         '            <tr>' . "\n" .
-         '               <td>' . "\n" .
-         '                 <table width="100%" cellpadding="3" cellspacing="0" align="center"'.
-                           ' border="0">' . "\n" .
-         '                    <tr>' . "\n" .
-                                 html_tag( 'td', '', 'right', '', 'valign="middle"' ) .
-                                 _("Attach:") . '</td>' . "\n" .
-                                 html_tag( 'td', '', 'left', '', 'valign="middle"' ) .
-         '                          <input name="attachfile" size="48" type="file" />' . "\n" .
-         '                          &nbsp;&nbsp;<input type="submit" name="attach"' .
-                                    ' value="' . _("Add") .'">' . "\n" .
-                                    $maxsize .
-         '                       </td>' . "\n" .
-         '                    </tr>' . "\n";
-
-
-    $s_a = array();
-    if ($composeMessage->entities) {
-        foreach ($composeMessage->entities as $key => $attachment) {
-           $attached_file = $attachment->att_local_name;
-           if ($attachment->att_local_name || $attachment->body_part) {
-                $attached_filename = decodeHeader($attachment->mime_header->getParameter('name'));
-                $type = $attachment->mime_header->type0.'/'.
+        $attach = array();
+        if ($composeMessage->entities) {
+            foreach ($composeMessage->entities as $key => $attachment) {
+                $attached_file = $attachment->att_local_name;
+                if ($attachment->att_local_name || $attachment->body_part) {
+                    $attached_filename = decodeHeader($attachment->mime_header->getParameter('name'));
+                    $type = $attachment->mime_header->type0.'/'.
                         $attachment->mime_header->type1;
-
-                $s_a[] = '<table bgcolor="'.$color[0].
-                '" border="0"><tr><td><input type="checkbox" name="delete[]" value="' .
-                    $key . "\"></td><td>\n" . $attached_filename .
-                    '</td><td>-</td><td> ' . $type . '</td><td>('.
-                    show_readable_size( filesize( $attached_file ) ) . ')</td></tr></table>'."\n";
-           }
+    
+                    $a = array();
+                    $a['Key'] = $key;
+                    $a['FileName'] = $attached_filename;
+                    $a['ContentType'] = $type;
+                    $a['Size'] = filesize($attached_file);
+                    $attach[$key] = $a;
+                }
+            }
         }
-    }
-    if (count($s_a)) {
-       foreach ($s_a as $s) {
-          echo '<tr>' . html_tag( 'td', '', 'left', $color[0], 'colspan="2"' ) . $s .'</td></tr>';
-       }
-       echo '<tr><td colspan="2"><input type="submit" name="do_delete" value="' .
-            _("Delete selected attachments") . "\">\n" .
-            '</td></tr>';
-    }
-    echo '                  </table>' . "\n" .
-         '               </td>' . "\n" .
-         '            </tr>' . "\n" .
-         '         </TABLE>' . "\n" .
-         '      </TD>' . "\n" .
-         '   </TR>' . "\n";
-        } // End of file_uploads if-block
+    
+        $max = min($sizes);
+        $oTemplate->assign('max_file_size', empty($max) ? -1 : $max);
+        $oTemplate->assign('attachments', $attach);
+        
+        $oTemplate->display('compose_attachments.tpl');
+    } // End of file_uploads if-block
     /* End of attachment code */
-    if ($compose_new_win == '1') {
-        echo '</TABLE>'."\n";
-    }
 
-    echo '</TABLE>' . "\n" .
-         '<input type="hidden" name="username" value="'. $username . "\">\n" .
-         '<input type=hidden name=smaction value="' . $action . "\">\n" .
-         '<INPUT TYPE=hidden NAME=mailbox VALUE="' . htmlspecialchars($mailbox) .
-         "\">\n";
+    echo addHidden('username', $username).
+         addHidden('smaction', $action).
+         addHidden('mailbox', $mailbox);
     /*
        store the complete ComposeMessages array in a hidden input value
        so we can restore them in case of a session timeout.
-    */
+     */
     sqgetGlobalVar('QUERY_STRING', $queryString, SQ_SERVER);
-    echo '<input type=hidden name=restoremessages value="' . urlencode(serialize($compose_messages)) . "\">\n";
-    echo '<input type=hidden name=composesession value="' . $composesession . "\">\n";
-    echo '<input type=hidden name=querystring value="' . $queryString . "\">\n";
-    echo '</FORM>';
+    echo addHidden('restoremessages', serialize($compose_messages)).
+        addHidden('composesession', $composesession).
+        addHidden('querystring', $queryString).
+        "</form>\n";
     if (!(bool) ini_get('file_uploads')) {
-      /* File uploads are off, so we didn't show that part of the form.
-         To avoid bogus bug reports, tell the user why. */
-      echo 'Because PHP file uploads are turned off, you can not attach files ';
-      echo "to this message.  Please see your system administrator for details.\r\n";
+        /* File uploads are off, so we didn't show that part of the form.
+           To avoid bogus bug reports, tell the user why. */
+        echo '<p style="text-align:center">'
+            . _("Because PHP file uploads are turned off, you can not attach files to this message. Please see your system administrator for details.")
+            . "</p>\r\n";
     }
 
-    do_hook('compose_bottom');
-    echo '</BODY></HTML>' . "\n";
+    do_hook('compose_bottom', $null);
+
+    if ($compose_new_win=='1') {
+        $oTemplate->display('compose_newwin_close.tpl');
+    }
+    
+    $oErrorHandler->setDelayedErrors(false);
+    $oTemplate->display('footer.tpl');
 }
 
 
 function showComposeButtonRow() {
     global $use_javascript_addr_book, $save_as_draft,
-           $default_use_priority, $mailprio, $default_use_mdn,
-           $request_mdn, $request_dr,
-           $data_dir, $username;
-
-    echo '   <TR>' . "\n" .
-         '      <TD></TD>' . "\n" .
-         '      <TD>' . "\n";
-    if ($default_use_priority) {
-        if(!isset($mailprio)) {
-            $mailprio = "3";
-    }
-    echo '          ' . _("Priority") .': <select name="mailprio">'.
-         '<option value="1"'.($mailprio=='1'?' selected':'').'>'. _("High") .'</option>'.
-         '<option value="3"'.($mailprio=='3'?' selected':'').'>'. _("Normal") .'</option>'.
-         '<option value="5"'.($mailprio=='5'?' selected':'').'>'. _("Low").'</option>'.
-         '</select>' . "\n";
+        $default_use_priority, $mailprio, $default_use_mdn,
+        $request_mdn, $request_dr,
+        $data_dir, $username;
+
+    global $oTemplate, $buffer_hook;
+    
+    if ($default_use_priority) {    
+        $priorities = array('1'=>_("High"), '3'=>_("Normal"), '5'=>_("Low"));
+        $priority = isset($mailprio) ? $mailprio : 3;
+    } else {
+        $priorities = array();
+        $priority = NULL;
     }
+    
     $mdn_user_support=getPref($data_dir, $username, 'mdn_user_support',$default_use_mdn);
-    if ($default_use_mdn) {
-        if ($mdn_user_support) {
-            echo '          ' . _("Receipt") .': '.
-            '<input type="checkbox" name="request_mdn" value=1'.
-        ($request_mdn=='1'?' checked':'') .'>'. _("On Read").
-            ' <input type="checkbox" name="request_dr" value=1'.
-        ($request_dr=='1'?' checked':'') .'>'. _("On Delivery");
-        }
-    }
 
-    echo '      </TD>' . "\n" .
-         '   </TR>' . "\n" .
-         '   <TR>'  . "\n" .
-         '      <TD></TD>' . "\n" .
-         '      <TD>' . "\n" .
-         '         <INPUT TYPE=SUBMIT NAME="sigappend" VALUE="' . _("Signature") . '">' . "\n";
     if ($use_javascript_addr_book) {
-        echo "         <SCRIPT LANGUAGE=JavaScript><!--\n document.write(\"".
-             "            <input type=button value=\\\""._("Addresses").
-                                 "\\\" onclick='javascript:open_abook();'>\");".
-             "            // --></SCRIPT><NOSCRIPT>\n".
-             "            <input type=submit name=\"html_addr_search\" value=\"".
-                              _("Addresses")."\">".
-             "         </NOSCRIPT>\n";
+        $addr_book = "         <script type=\"text/javascript\"><!--\n document.write(\"".
+            "            <input type=button value=\\\""._("Addresses").
+            "\\\" onclick=\\\"javascript:open_abook();\\\" />\");".
+            "            // --></script><noscript>\n".
+            '            <input type="submit" name="html_addr_search" value="'.
+            _("Addresses").'" />'.
+            "         </noscript>\n";
     } else {
-        echo '         <input type=submit name="html_addr_search" value="'.
-                                 _("Addresses").'">' . "\n";
-    }
-
-    if ($save_as_draft) {
-        echo '         <input type="submit" name ="draft" value="' . _("Save Draft") . "\">\n";
-    }
-
-    echo '         <INPUT TYPE=submit NAME=send VALUE="'. _("Send") . '">' . "\n";
-    do_hook('compose_button_row');
-
-    echo '      </TD>' . "\n" .
-         '   </TR>' . "\n\n";
+        $addr_book = '         <input type="submit" name="html_addr_search" value="'.
+            _("Addresses").'" />' . "\n";
+    }
+
+    $oTemplate->assign('allow_priority', $default_use_priority==1);
+    $oTemplate->assign('priority_list', $priorities);
+    $oTemplate->assign('current_priority', $priority);
+    
+    $oTemplate->assign('notifications_enabled', $mdn_user_support==1);
+    $oTemplate->assign('read_receipt', $request_mdn=='1');
+    $oTemplate->assign('delivery_receipt', $request_dr=='1');
+    
+    $oTemplate->assign('drafts_enabled', $save_as_draft);
+    $oTemplate->assign('address_book_button', $addr_book);
+
+    $oTemplate->display('compose_buttons.tpl');
 }
 
 function checkInput ($show) {
@@ -1246,11 +1367,11 @@ function checkInput ($show) {
      * using $show=false, and then when i'm ready to display the error
      * message, show=true
      */
-    global $body, $send_to, $send_to_bcc, $subject, $color;
+    global $send_to, $send_to_bcc;
 
     if ($send_to == '' && $send_to_bcc == '') {
         if ($show) {
-            plain_error_message(_("You have not filled in the \"To:\" field."), $color);
+            plain_error_message(_("You have not filled in the \"To:\" field."));
         }
         return false;
     }
@@ -1260,8 +1381,8 @@ function checkInput ($show) {
 
 /* True if FAILURE */
 function saveAttachedFiles($session) {
-    global $_FILES, $attachment_dir, $attachments, $username,
-           $data_dir, $compose_messages;
+    global $_FILES, $attachment_dir, $username,
+        $data_dir, $compose_messages;
 
     /* get out of here if no file was attached at all */
     if (! is_uploaded_file($_FILES['attachfile']['tmp_name']) ) {
@@ -1276,12 +1397,12 @@ function saveAttachedFiles($session) {
         $full_localfilename = "$hashed_attachment_dir/$localfilename";
     }
 
-    // FIXME: we SHOULD prefer move_uploaded_file over rename because
-    // m_u_f works better with restricted PHP installes (safe_mode, open_basedir)
-    if (!@rename($_FILES['attachfile']['tmp_name'], $full_localfilename)) {
-            if (!@move_uploaded_file($_FILES['attachfile']['tmp_name'],$full_localfilename)) {
-                return true;
-                }
+    // m_u_f works better with restricted PHP installs (safe_mode, open_basedir),
+    // if that doesn't work, try a simple rename.
+    if (!@move_uploaded_file($_FILES['attachfile']['tmp_name'],$full_localfilename)) {
+        if (!@rename($_FILES['attachfile']['tmp_name'], $full_localfilename)) {
+            return true;
+        }
     }
     $message = $compose_messages[$session];
     $type = strtolower($_FILES['attachfile']['type']);
@@ -1291,18 +1412,6 @@ function saveAttachedFiles($session) {
     sqsession_register($compose_messages , 'compose_messages');
 }
 
-function ClearAttachments($composeMessage) {
-    if ($composeMessage->att_local_name) {
-        $attached_file = $composeMessage->att_local_name;
-        if (file_exists($attached_file)) {
-            unlink($attached_file);
-        }
-    }
-    for ($i=0, $entCount=count($composeMessage->entities);$i< $entCount; ++$i) {
-        ClearAttachments($composeMessage->entities[$i]);
-    }
-}
-
 /* parse values like 8M and 2k into bytes */
 function getByteSize($ini_size) {
 
@@ -1317,14 +1426,14 @@ function getByteSize($ini_size) {
 
         switch(strtoupper(substr($ini_size, -1))) {
             case 'G':
-               $bytesize = 1073741824;
-               break;
+                $bytesize = 1073741824;
+                break;
             case 'M':
-               $bytesize = 1048576;
-               break;
+                $bytesize = 1048576;
+                break;
             case 'K':
-               $bytesize = 1024;
-               break;
+                $bytesize = 1024;
+                break;
         }
 
         return ($bytesize * (int)substr($ini_size, 0, -1));
@@ -1334,31 +1443,19 @@ function getByteSize($ini_size) {
 }
 
 
-/* temporary function to make use of the deliver class.
-   In the future the responsable backend should be automaticly loaded
-   and conf.pl should show a list of available backends.
  The message also should be constructed by the message class.
-*/
-
+/**
+ * temporary function to make use of the deliver class.
+ * In the future the responsible backend should be automaticly loaded
* and conf.pl should show a list of available backends.
+ * The message also should be constructed by the message class.
+ */
 function deliverMessage($composeMessage, $draft=false) {
     global $send_to, $send_to_cc, $send_to_bcc, $mailprio, $subject, $body,
-           $username, $popuser, $usernamedata, $identity, $idents, $data_dir,
-           $request_mdn, $request_dr, $default_charset, $color, $useSendmail,
-           $domain, $action, $default_move_to_sent, $move_to_sent;
+        $username, $popuser, $usernamedata, $identity, $idents, $data_dir,
+        $request_mdn, $request_dr, $default_charset, $color, $useSendmail,
+        $domain, $action, $default_move_to_sent, $move_to_sent;
     global $imapServerAddress, $imapPort, $sent_folder, $key;
 
-    /* some browsers replace <space> by nonbreaking spaces &nbsp;
-       by replacing them back to spaces addressparsing works */
-    /* FIXME: How to handle in case of other charsets where "\240"
-       is not a non breaking space ??? */
-    /* THEFIX: browsers don't replace space with nbsp. SM replaces
-       space with nbsp when decodes headers. If problem still happens,
-       use cleanup_nbsp() */
-
-//    $send_to = str_replace("\240",' ',$send_to);
-//    $send_to_cc = str_replace("\240",' ',$send_to_cc);
-//    $send_to_bcc = str_replace("\240",' ',$send_to_bcc);
-
     $rfc822_header = $composeMessage->rfc822_header;
 
     $abook = addressbook_init(false, true);
@@ -1367,6 +1464,7 @@ function deliverMessage($composeMessage, $draft=false) {
     $rfc822_header->bcc = $rfc822_header->parseAddress($send_to_bcc,true, array(), '',$domain, array(&$abook,'lookup'));
     $rfc822_header->priority = $mailprio;
     $rfc822_header->subject = $subject;
+
     $special_encoding='';
     if (strtolower($default_charset) == 'iso-2022-jp') {
         if (mb_detect_encoding($body) == 'ASCII') {
@@ -1379,18 +1477,18 @@ function deliverMessage($composeMessage, $draft=false) {
     $composeMessage->setBody($body);
 
     if (ereg("^([^@%/]+)[@%/](.+)$", $username, $usernamedata)) {
-       $popuser = $usernamedata[1];
-       $domain  = $usernamedata[2];
-       unset($usernamedata);
+        $popuser = $usernamedata[1];
+        $domain  = $usernamedata[2];
+        unset($usernamedata);
     } else {
-       $popuser = $username;
+        $popuser = $username;
     }
     $reply_to = '';
     $from_mail = $idents[$identity]['email_address'];
     $full_name = $idents[$identity]['full_name'];
     $reply_to  = $idents[$identity]['reply_to'];
     if (!$from_mail) {
-       $from_mail = "$popuser@$domain";
+        $from_mail = "$popuser@$domain";
     }
     $rfc822_header->from = $rfc822_header->parseAddress($from_mail,true);
     if ($full_name) {
@@ -1405,16 +1503,22 @@ function deliverMessage($composeMessage, $draft=false) {
         $rfc822_header->from = $rfc822_header->parseAddress($from_addr,true);
     }
     if ($reply_to) {
-       $rfc822_header->reply_to = $rfc822_header->parseAddress($reply_to,true);
+        $rfc822_header->reply_to = $rfc822_header->parseAddress($reply_to,true);
     }
     /* Receipt: On Read */
     if (isset($request_mdn) && $request_mdn) {
-       $rfc822_header->dnt = $rfc822_header->parseAddress($from_mail,true);
+        $rfc822_header->dnt = $rfc822_header->parseAddress($from_mail,true);
+    } elseif (isset($rfc822_header->dnt)) {
+        unset($rfc822_header->dnt);
     }
+    
     /* Receipt: On Delivery */
     if (isset($request_dr) && $request_dr) {
-       $rfc822_header->more_headers['Return-Receipt-To'] = $from_mail;
+        $rfc822_header->more_headers['Return-Receipt-To'] = $from_mail;
+    } elseif (isset($rfc822_header->more_headers['Return-Receipt-To'])) {
+        unset($rfc822_header->more_headers['Return-Receipt-To']);
     }
+
     /* multipart messages */
     if (count($composeMessage->entities)) {
         $message_body = new Message();
@@ -1443,69 +1547,82 @@ function deliverMessage($composeMessage, $draft=false) {
         }
         if ($default_charset) {
             $content_type->properties['charset']=$default_charset;
-    }
+        }
     }
 
     $rfc822_header->content_type = $content_type;
     $composeMessage->rfc822_header = $rfc822_header;
-
+    
     /* Here you can modify the message structure just before we hand
-       it over to deliver */
-    $hookReturn = do_hook('compose_send', $composeMessage);
-    /* Get any changes made by plugins to $composeMessage. */
-    if ( is_object($hookReturn[1]) ) {
-        $composeMessage = $hookReturn[1];
-    }
+       it over to deliver; plugin authors note that $composeMessage
+       is sent and modified by reference since 1.5.2 */
+    do_hook('compose_send', $composeMessage);
 
     if (!$useSendmail && !$draft) {
         require_once(SM_PATH . 'class/deliver/Deliver_SMTP.class.php');
         $deliver = new Deliver_SMTP();
-        global $smtpServerAddress, $smtpPort, $pop_before_smtp, $smtp_auth_mech;
+        global $smtpServerAddress, $smtpPort, $pop_before_smtp;
 
         $authPop = (isset($pop_before_smtp) && $pop_before_smtp) ? true : false;
         get_smtp_user($user, $pass);
         $stream = $deliver->initStream($composeMessage,$domain,0,
-                          $smtpServerAddress, $smtpPort, $user, $pass, $authPop);
+                $smtpServerAddress, $smtpPort, $user, $pass, $authPop);
     } elseif (!$draft) {
-       require_once(SM_PATH . 'class/deliver/Deliver_SendMail.class.php');
-       global $sendmail_path;
-       $deliver = new Deliver_SendMail();
-       $stream = $deliver->initStream($composeMessage,$sendmail_path);
+        require_once(SM_PATH . 'class/deliver/Deliver_SendMail.class.php');
+        global $sendmail_path, $sendmail_args;
+        // Check for outdated configuration
+        if (!isset($sendmail_args)) {
+            if ($sendmail_path=='/var/qmail/bin/qmail-inject') {
+                $sendmail_args = '';
+            } else {
+                $sendmail_args = '-i -t';
+            }
+        }
+        $deliver = new Deliver_SendMail(array('sendmail_args'=>$sendmail_args));
+        $stream = $deliver->initStream($composeMessage,$sendmail_path);
     } elseif ($draft) {
-       global $draft_folder;
-       require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
-       $imap_stream = sqimap_login($username, $key, $imapServerAddress,
-                      $imapPort, 0);
-       if (sqimap_mailbox_exists ($imap_stream, $draft_folder)) {
-           require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
-           $imap_deliver = new Deliver_IMAP();
-           $length = $imap_deliver->mail($composeMessage);
-           sqimap_append ($imap_stream, $draft_folder, $length);
-           $imap_deliver->mail($composeMessage, $imap_stream);
-               sqimap_append_done ($imap_stream, $draft_folder);
-           sqimap_logout($imap_stream);
-           unset ($imap_deliver);
-           return $length;
+        global $draft_folder;
+        require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
+        $imap_stream = sqimap_login($username, false, $imapServerAddress,
+                $imapPort, 0);
+        if (sqimap_mailbox_exists ($imap_stream, $draft_folder)) {
+            require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
+            $imap_deliver = new Deliver_IMAP();
+            $length = $imap_deliver->mail($composeMessage);
+            sqimap_append ($imap_stream, $draft_folder, $length);
+            $imap_deliver->mail($composeMessage, $imap_stream);
+            sqimap_append_done ($imap_stream, $draft_folder);
+            sqimap_logout($imap_stream);
+            unset ($imap_deliver);
+            $composeMessage->purgeAttachments();
+            return $length;
         } else {
-           $msg  = '<br>Error: '._("Draft folder")." $draft_folder" . ' does not exist.';
-           plain_error_message($msg, $color);
-           return false;
+            $msg  = '<br />'.sprintf(_("Error: Draft folder %s does not exist."), htmlspecialchars($draft_folder));
+            plain_error_message($msg);
+            return false;
         }
     }
-    $succes = false;
+    $success = false;
     if ($stream) {
         $length = $deliver->mail($composeMessage, $stream);
-        $succes = $deliver->finalizeStream($stream);
-    }
-    if (!$succes) {
-        $msg  = $deliver->dlv_msg . '<br>' .
-                _("Server replied: ") . $deliver->dlv_ret_nr . ' '.
-                $deliver->dlv_server_msg;
-        plain_error_message($msg, $color);
+        $success = $deliver->finalizeStream($stream);
+    }
+    if (!$success) {
+        // $deliver->dlv_server_msg is not always server's reply
+        $msg = _("Message not sent.") . "<br />\n" .
+            $deliver->dlv_msg;
+        if (!empty($deliver->dlv_server_msg)) {
+            // add 'server replied' part only when it is not empty.
+            // Delivery error can be generated by delivery class itself
+            $msg.='<br />' .
+                _("Server replied:") . ' ' . $deliver->dlv_ret_nr . ' ' .
+                nl2br(htmlspecialchars($deliver->dlv_server_msg));
+        }
+        plain_error_message($msg);
     } else {
         unset ($deliver);
         $move_to_sent = getPref($data_dir,$username,'move_to_sent');
-        $imap_stream = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
+        $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, 0);
 
         /* Move to sent code */
         if (isset($default_move_to_sent) && ($default_move_to_sent != 0)) {
@@ -1515,7 +1632,7 @@ function deliverMessage($composeMessage, $draft=false) {
         }
 
         if (isset($sent_folder) && (($sent_folder != '') || ($sent_folder != 'none'))
-           && sqimap_mailbox_exists( $imap_stream, $sent_folder)) {
+                && sqimap_mailbox_exists( $imap_stream, $sent_folder)) {
             $fld_sent = true;
         } else {
             $fld_sent = false;
@@ -1542,15 +1659,57 @@ function deliverMessage($composeMessage, $draft=false) {
             sqimap_append_done ($imap_stream, $sent_folder);
             unset ($imap_deliver);
         }
-        global $passed_id, $mailbox, $action;
-        ClearAttachments($composeMessage);
-        if ($action == 'reply' || $action == 'reply_all') {
-            sqimap_mailbox_select ($imap_stream, $mailbox);
-            sqimap_messages_flag ($imap_stream, $passed_id, $passed_id, 'Answered', false);
-        }
+
+        global $passed_id, $mailbox, $action, $what, $iAccount,$startMessage;
+
+        $composeMessage->purgeAttachments();
+        if ($action=='reply' || $action=='reply_all' || $action=='forward' || $action=='forward_as_attachment') {
+            require(SM_PATH . 'functions/mailbox_display.php');
+            $aMailbox = sqm_api_mailbox_select($imap_stream, $iAccount, $mailbox,array('setindex' => $what, 'offset' => $startMessage),array());
+            switch($action) {
+            case 'reply':
+            case 'reply_all':
+                // check if we are allowed to set the \\Answered flag
+                if (in_array('\\answered',$aMailbox['PERMANENTFLAGS'], true)) {
+                    $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, array($passed_id), '\\Answered', true, false);
+                    if (isset($aUpdatedMsgs[$passed_id]['FLAGS'])) {
+                        /**
+                        * Only update the cached headers if the header is
+                        * cached.
+                        */
+                        if (isset($aMailbox['MSG_HEADERS'][$passed_id])) {
+                            $aMailbox['MSG_HEADERS'][$passed_id]['FLAGS'] = $aMsg['FLAGS'];
+                        }
+                    }
+                }
+                break;
+            case 'forward':
+            case 'forward_as_attachment':
+                // check if we are allowed to set the $Forwarded flag (RFC 4550 paragraph 2.8)
+                if (in_array('$forwarded',$aMailbox['PERMANENTFLAGS'], true) || 
+                    in_array('\\*',$aMailbox['PERMANENTFLAGS'])) {
+
+                    $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, array($passed_id), '$Forwarded', true, false);
+                    if (isset($aUpdatedMsgs[$passed_id]['FLAGS'])) {
+                        if (isset($aMailbox['MSG_HEADERS'][$passed_id])) {
+                            $aMailbox['MSG_HEADERS'][$passed_id]['FLAGS'] = $aMsg['FLAGS'];
+                        }
+                    }
+                }
+                break;
+            }
+
+            /**
+             * Write mailbox with updated seen flag information back to cache.
+             */
+            if(isset($aUpdatedMsgs[$passed_id])) {
+                $mailbox_cache[$iAccount.'_'.$aMailbox['NAME']] = $aMailbox;
+                sqsession_register($mailbox_cache,'mailbox_cache');
+            }
+
             sqimap_logout($imap_stream);
+        }
     }
-    return $succes;
+    return $success;
 }
-
 ?>