- Reduced memory footprint when forwarding attachments (#1485345) - Fixed e...

alecpl

2008-09-16 81b573d98ae143bd11b37ff2027bfad78e2d460c

- Reduced memory footprint when forwarding attachments (#1485345)
- Fixed endless loop in iil_C_HandlePartBody()
- rcube_message::get_part_content() speed up using 3rd argument of rcube_imap::get_message_part()

 CHANGELOG

@@ -1,6 +1,10 @@
CHANGELOG RoundCube Webmail
---------------------------

2008/09/16 (alec)
----------
- Reduced memory footprint when forwarding attachments (#1485345)

2008/09/15 (thomasb)
----------
- Redesign of the identities settings (#1484042)

 program/include/rcube_imap.php

@@ -1283,9 +1283,10 @@
   * @param  string Part number
   * @param  object rcube_message_part Part object created by get_structure()
   * @param  mixed  True to print part, ressource to write part contents in
   * @param  resource File pointer to save the message part
   * @return string Message/part body if not printed
   */
  function &get_message_part($uid, $part=1, $o_part=NULL, $print=NULL)
  function &get_message_part($uid, $part=1, $o_part=NULL, $print=NULL, $fp=NULL)
    {
    if (!($msg_id = $this->_uid2id($uid)))
      return FALSE;
@@ -1293,6 +1294,7 @@
    // get part encoding if not provided
    if (!is_object($o_part))
      {
      write_log('errors', 'get_message_part: !is_object');
      $structure_str = iil_C_FetchStructureString($this->conn, $this->mailbox, $msg_id); 
      $structure = iml_GetRawStructureArray($structure_str);
      $part_type = iml_GetPartTypeCode($structure, $part);
@@ -1318,6 +1320,9 @@
      }
    else
      {
      if ($fp && $o_part->encoding == 'base64')
        return iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, $part, 3, $fp);
      else
      $body = iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, $part, 1);

      // decode part body
@@ -1333,6 +1338,12 @@

        $body = rcube_charset_convert($body, $o_part->charset);
        }
      
      if ($fp)
        {
        fwrite($fp, $body);
    return true;
        }
      }

    return $body;

 program/include/rcube_message.php

@@ -117,12 +117,13 @@
   * Get content of a specific part of this message
   *
   * @param string Part MIME-ID
   * @param resource File pointer to save the message part
   * @return string Part content
   */
  public function get_part_content($mime_id)
  public function get_part_content($mime_id, $fp=NULL)
  {
    if ($part = $this->mime_parts[$mime_id])
      return $this->imap->get_message_part($this->uid, $mime_id, $part);
      return $this->imap->get_message_part($this->uid, $mime_id, $part, NULL, $fp);
    else
      return null;
  }

 program/lib/imap.inc

@@ -65,6 +65,7 @@
        - RFC3501 [7.1] don't call CAPABILITY if was returned in server 
          optional resposne in iil_Connect(), added iil_C_GetCapability()
        - remove 'undisclosed-recipients' string from 'To' header
        - iil_C_HandlePartBody(): added 6th argument and fixed endless loop

********************************************************/

@@ -2353,11 +2354,11 @@
    return $result;
}

function iil_C_HandlePartBody(&$conn, $mailbox, $id, $part, $mode) {
function iil_C_HandlePartBody(&$conn, $mailbox, $id, $part, $mode, $file=NULL) {
    /* modes:
        1: return string
        1: return string (or write to $file pointer)
        2: print
        3: base64 and print
        3: base64 and print (or write to $file pointer)
    */
    
    $fp     = $conn->fp;
@@ -2399,6 +2400,9 @@
                    if ($mode == 2) {
                        echo $result;
                    } else if ($mode == 3) {
                if ($file)
                    fwrite($file, base64_decode($result));
                        else
                        echo base64_decode($result);
                    }
            } else if ($line[$len-1] == '}') {
@@ -2408,33 +2412,46 @@
                $len      = $to - $from;
                    $sizeStr  = substr($line, $from, $len);
                $bytes    = (int)$sizeStr;
                    $received = 0;

                while ($received < $bytes) {
                        $remaining = $bytes - $received;
                while ($bytes > 0) {
                        $line      = iil_ReadLine($fp, 1024);
                        $len       = strlen($line);
                
                        if ($len > $remaining) {
                                $line = substr($line, 0, $remaining);
                        if ($len > $bytes) {
                                $line = substr($line, 0, $bytes);
                        }
                        $received += strlen($line);
                        $bytes -= strlen($line);

                        if ($mode == 1) {
                    if ($file)
                        fwrite($file, rtrim($line, "\t\r\n\0\x0B") . "\n");
                                else
                                $result .= rtrim($line, "\t\r\n\0\x0B") . "\n";
                        } else if ($mode == 2) {
                                echo rtrim($line, "\t\r\n\0\x0B") . "\n";
                        } else if ($mode == 3) {
                    if ($file)
                        fwrite($file, base64_decode($line));
                            else
                            echo base64_decode($line);
                        }
                }
            }
            // read in anything up until 'til last line
            // read in anything up until last line
        do {
                $line = iil_ReadLine($fp, 1024);
        } while (!iil_StartsWith($line, $key));
        
        if ($mode == 3 && $file) {
            return true;
        }
	
            if ($result) {
                $result = rtrim($result, "\t\r\n\0\x0B");
            if ($file) {
                fwrite($file, $result);
                return true;
            }	
                return $result; // substr($result, 0, strlen($result)-1);
            }
            
@@ -2444,13 +2461,18 @@
    }
    
    if ($mode==1) {
        if ($file) {
            fwrite($file, $result);
            return true;
        }
            return $result;
    }
    return $received;
	
    return false;
}

function iil_C_FetchPartBody(&$conn, $mailbox, $id, $part) {
    return iil_C_HandlePartBody($conn, $mailbox, $id, $part, 1);
function iil_C_FetchPartBody(&$conn, $mailbox, $id, $part, $file=NULL) {
    return iil_C_HandlePartBody($conn, $mailbox, $id, $part, 1, $file);
}

function iil_C_PrintPartBody(&$conn, $mailbox, $id, $part) {

 program/steps/mail/compose.inc

@@ -596,7 +596,7 @@
      $tmp_path = tempnam($temp_dir, 'rcmAttmnt');
      if ($fp = fopen($tmp_path, 'w'))
      {
        fwrite($fp, $message->get_part_content($pid));
        $message->get_part_content($pid, $fp);
        fclose($fp);
        
        $_SESSION['compose']['attachments'][] = array(