From 253cc5890dec068d2ca3fb0ea2c36c1d945e8fa5 Mon Sep 17 00:00:00 2001
From: svncommit <devs@roundcube.net>
Date: Fri, 03 Oct 2008 02:25:53 -0400
Subject: [PATCH] Fix typo.

---
 program/include/rcube_imap.php |  300 +++++++++++++++++++++++++++++++++++++++--------------------
 1 files changed, 198 insertions(+), 102 deletions(-)

diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 3daea0c..fa4cae5 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -59,7 +59,6 @@
   var $cache_changes = array();
   var $uid_id_map = array();
   var $msg_headers = array();
-  var $capabilities = array();
   var $skip_deleted = FALSE;
   var $search_set = NULL;
   var $search_subject = '';
@@ -77,17 +76,6 @@
   function __construct($db_conn)
     {
     $this->db = $db_conn;
-    }
-
-
-  /**
-   * PHP 4 object constructor
-   *
-   * @see  rcube_imap::__construct
-   */
-  function rcube_imap($db_conn)
-    {
-    $this->__construct($db_conn);
     }
 
 
@@ -142,8 +130,6 @@
     // get server properties
     if ($this->conn)
       {
-      $this->_parse_capability($this->conn->capability);
-      
       if (!empty($this->conn->delimiter))
         $this->delimiter = $this->conn->delimiter;
       if (!empty($this->conn->rootdir))
@@ -180,6 +166,10 @@
     {
     $this->close();
     $this->connect($this->host, $this->user, $this->pass, $this->port, $this->ssl);
+    
+    // issue SELECT command to restore connection status
+    if ($this->mailbox)
+      iil_C_Select($this->conn, $this->mailbox);
     }
 
 
@@ -340,8 +330,7 @@
    */
   function get_capability($cap)
     {
-    $cap = strtoupper($cap);
-    return $this->capabilities[$cap];
+    return iil_C_GetCapability($this->conn, strtoupper($cap));
     }
 
 
@@ -1028,7 +1017,7 @@
    * an object structure similar to the one generated by PEAR::Mail_mimeDecode
    *
    * @param int Message UID to fetch
-   * @return object stdClass Message part tree or False on failure
+   * @return object rcube_message_part Message part tree or False on failure
    */
   function &get_structure($uid)
     {
@@ -1068,7 +1057,7 @@
       if ($this->caching_enabled)
         $this->add_message_cache($cache_key, $msg_id, $headers, $struct);
       }
-      
+
     return $struct;
     }
 
@@ -1164,36 +1153,133 @@
       if (empty($struct->disposition))
         $struct->disposition = 'inline';
       }
+    
+    // fetch message headers if message/rfc822 or named part (could contain Content-Location header)
+    if ($struct->ctype_primary == 'message' || ($struct->ctype_parameters['name'] && !$struct->content_id)) {
+      $part_headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, $struct->mime_id);
+      $struct->headers = $this->_parse_headers($part_headers) + $struct->headers;
+    }
 
-    // fetch message headers if message/rfc822
-    if ($struct->ctype_primary=='message')
-      {
-      $headers = iil_C_FetchPartBody($this->conn, $this->mailbox, $this->_msg_id, $struct->mime_id.'.HEADER');
-      $struct->headers = $this->_parse_headers($headers);
-      
+    if ($struct->ctype_primary=='message') {
       if (is_array($part[8]) && empty($struct->parts))
         $struct->parts[] = $this->_structure_part($part[8], ++$count, $struct->mime_id);
-      }
+    }
 
     // normalize filename property
-    if ($filename_mime = $struct->d_parameters['filename'] ? $struct->d_parameters['filename'] : $struct->ctype_parameters['name'])
-    {
-      $struct->filename = rcube_imap::decode_mime_string($filename_mime, 
-    	    $struct->charset ? $struct->charset : rc_detect_encoding($filename_mime, $this->default_charset));
-    }
-    else if ($filename_encoded = $struct->d_parameters['filename*'] ? $struct->d_parameters['filename*'] : $struct->ctype_parameters['name*'])
-    {
-      // decode filename according to RFC 2231, Section 4
-      list($filename_charset,, $filename_urlencoded) = split('\'', $filename_encoded);
-      $struct->filename = rcube_charset_convert(urldecode($filename_urlencoded), $filename_charset);
-    }
-    else if (!empty($struct->headers['content-description']))
-      $struct->filename = rcube_imap::decode_mime_string($struct->headers['content-description'],
-    	    $struct->charset ? $struct->charset : rc_detect_encoding($struct->headers['content-description'],$this->default_charset));
-      
+    $this->_set_part_filename($struct);
+
     return $struct;
     }
     
+
+  /**
+   * Set attachment filename from message part structure 
+   *
+   * @access private
+   * @param  object rcube_message_part Part object
+   */
+  function _set_part_filename(&$part)
+    {
+    if (!empty($part->d_parameters['filename']))
+      $filename_mime = $part->d_parameters['filename'];
+    else if (!empty($part->d_parameters['filename*']))
+      $filename_encoded = $part->d_parameters['filename*'];
+    else if (!empty($part->ctype_parameters['name*']))
+      $filename_encoded = $part->ctype_parameters['name*'];
+    // RFC2231 value continuations
+    // TODO: this should be rewrited to support RFC2231 4.1 combinations
+    else if (!empty($part->d_parameters['filename*0'])) {
+      $i = 0;
+      while (isset($part->d_parameters['filename*'.$i])) {
+        $i++;
+        $filename_mime .= $part->d_parameters['filename*'.$i];
+	}
+      // some servers (eg. dovecot-1.x) have no support for parameter value continuations
+      // we must fetch and parse headers "manually"
+      //TODO: fetching headers for a second time is not effecient, this code should be moved somewhere earlier --tensor
+      if ($i<2) {
+        // TODO: fetch only Content-Type/Content-Disposition header
+        $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, $part->mime_id);
+        $filename_mime = '';
+        $i = 0;
+        while (preg_match('/filename\*'.$i.'\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) {
+          $filename_mime .= $matches[1];
+          $i++;
+        }
+      }
+    }
+    else if (!empty($part->d_parameters['filename*0*'])) {
+      $i = 0;
+      while (isset($part->d_parameters['filename*'.$i.'*'])) {
+        $i++;
+        $filename_encoded .= $part->d_parameters['filename*'.$i.'*'];
+      }
+      if ($i<2) {
+        $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, $part->mime_id);
+        $filename_encoded = '';
+        $i = 0; $matches = array();
+        while (preg_match('/filename\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) {
+          $filename_encoded .= $matches[1];
+          $i++;
+        }
+      }
+    }
+    else if (!empty($part->ctype_parameters['name*0'])) {
+      $i = 0;
+      while (isset($part->ctype_parameters['name*'.$i])) {
+        $i++;
+        $filename_mime .= $part->ctype_parameters['name*'.$i];
+      }
+      if ($i<2) {
+        $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, $part->mime_id);
+        $filename_mime = '';
+        $i = 0; $matches = array();
+        while (preg_match('/\s+name\*'.$i.'\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) {
+          $filename_mime .= $matches[1];
+          $i++;
+        }
+      }
+    }
+    else if (!empty($part->ctype_parameters['name*0*'])) {
+      $i = 0;
+      while (isset($part->ctype_parameters['name*'.$i.'*'])) {
+        $i++;
+        $filename_encoded .= $part->ctype_parameters['name*'.$i.'*'];
+      }
+      if ($i<2) {
+        $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, $part->mime_id);
+        $filename_encoded = '';
+        $i = 0; $matches = array();
+        while (preg_match('/\s+name\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) {
+          $filename_encoded .= $matches[1];
+          $i++;
+        }
+      }
+    }
+    // read 'name' after rfc2231 parameters as it may contains truncated filename (from Thunderbird)
+    else if (!empty($part->ctype_parameters['name']))
+      $filename_mime = $part->ctype_parameters['name'];
+    // Content-Disposition
+    else if (!empty($part->headers['content-description']))
+      $filename_mime = $part->headers['content-description'];
+    else
+      return;
+
+    // decode filename
+    if (!empty($filename_mime)) {
+      $part->filename = rcube_imap::decode_mime_string($filename_mime, 
+        $part->charset ? $part->charset : rc_detect_encoding($filename_mime, $this->default_charset));
+      } 
+    else if (!empty($filename_encoded)) {
+      // decode filename according to RFC 2231, Section 4
+      if (preg_match("/^([^']*)'[^']*'(.*)$/", $filename_encoded, $fmatches)) {
+        $filename_charset = $fmatches[1];
+        $filename_encoded = $fmatches[2];
+        }
+      $part->filename = rcube_charset_convert(urldecode($filename_encoded), $filename_charset);
+      }
+    }
+     
   
   /**
    * Fetch message body of a specific message from the server
@@ -1202,9 +1288,10 @@
    * @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;
@@ -1237,7 +1324,10 @@
       }
     else
       {
-      $body = iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, $part, 1);
+      if ($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
       if ($o_part->encoding)
@@ -1252,8 +1342,14 @@
 
         $body = rcube_charset_convert($body, $o_part->charset);
         }
+      
+      if ($fp)
+        {
+        fwrite($fp, $body);
+        return true;
+        }
       }
-
+    
     return $body;
     }
 
@@ -1289,6 +1385,23 @@
     $body .= iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, NULL, 1);
 
     return $body;    
+    }
+
+
+  /**
+   * Returns the message headers as string
+   *
+   * @param int  Message UID
+   * @return string Message headers string
+   */
+  function &get_raw_headers($uid)
+    {
+    if (!($msg_id = $this->_uid2id($uid)))
+      return FALSE;
+
+    $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $msg_id, NULL);
+
+    return $headers;    
     }
     
 
@@ -1381,7 +1494,7 @@
     $mailbox = $this->_mod_mailbox($mbox_name);
 
     // make sure mailbox exists
-    if (in_array($mailbox, $this->_list_mailboxes()))
+    if (($mailbox == 'INBOX') || in_array($mailbox, $this->_list_mailboxes()))
       $saved = iil_C_Append($this->conn, $mailbox, $message);
 
     if ($saved)
@@ -2339,31 +2452,44 @@
    */
   function decode_mime_string($input, $fallback=null)
     {
+    // Initialize variable
     $out = '';
 
-    $pos = strpos($input, '=?');
-    if ($pos !== false)
-      {
-      // rfc: all line breaks or other characters not found 
-      // in the Base64 Alphabet must be ignored by decoding software
-      // delete all blanks between MIME-lines, differently we can 
-      // receive unnecessary blanks and broken utf-8 symbols
-      $input = preg_replace("/\?=\s+=\?/", '?==?', $input);
+    // Iterate instead of recursing, this way if there are too many values we don't have stack overflows
+    // rfc: all line breaks or other characters not found 
+    // in the Base64 Alphabet must be ignored by decoding software
+    // delete all blanks between MIME-lines, differently we can 
+    // receive unnecessary blanks and broken utf-8 symbols
+    $input = preg_replace("/\?=\s+=\?/", '?==?', $input);
 
-      $out = substr($input, 0, $pos);
-  
-      $end_cs_pos = strpos($input, "?", $pos+2);
-      $end_en_pos = strpos($input, "?", $end_cs_pos+1);
-      $end_pos = strpos($input, "?=", $end_en_pos+1);
-  
-      $encstr = substr($input, $pos+2, ($end_pos-$pos-2));
-      $rest = substr($input, $end_pos+2);
+    // Check if there is stuff to decode
+    if (strpos($input, '=?') !== false) {
+      // Loop through the string to decode all occurences of =? ?= into the variable $out 
+      while(($pos = strpos($input, '=?')) !== false) {
+        // Append everything that is before the text to be decoded
+        $out .= substr($input, 0, $pos);
 
-      $out .= rcube_imap::_decode_mime_string_part($encstr);
-      $out .= rcube_imap::decode_mime_string($rest, $fallback);
+        // Get the location of the text to decode
+        $end_cs_pos = strpos($input, "?", $pos+2);
+        $end_en_pos = strpos($input, "?", $end_cs_pos+1);
+        $end_pos = strpos($input, "?=", $end_en_pos+1);
 
-      return $out;
+        // Extract the encoded string
+        $encstr = substr($input, $pos+2, ($end_pos-$pos-2));
+        // Extract the remaining string
+        $input = substr($input, $end_pos+2);
+
+        // Decode the string fragement
+        $out .= rcube_imap::_decode_mime_string_part($encstr);
       }
+
+      // Deocde the rest (if any)
+      if (strlen($input) != 0)
+         $out .= rcube_imap::decode_mime_string($input, $fallback);
+
+       // return the results
+      return $out;
+    }
 
     // no encoding information, use fallback
     return rcube_charset_convert($input, 
@@ -2539,19 +2665,19 @@
     $folders = array_merge($a_defaults, array_keys($folders));
 
     // finally we must rebuild the list to move 
-    // subfolders of default folders to their place
+    // subfolders of default folders to their place...
+    // ...also do this for the rest of folders because
+    // asort() is not properly sorting case sensitive names	
     while (list($key, $folder) = each($folders)) {
       $a_out[] = $folder;
       unset($folders[$key]);
-      if (in_array(strtolower($folder), $this->default_folders_lc)) {
-	foreach ($folders as $idx => $f) {
-	  if (strpos($f, $folder.$delimiter) === 0) {
-    	    $a_out[] = $f;
-	    unset($folders[$idx]);
-	    }
+      foreach ($folders as $idx => $f) {
+	if (strpos($f, $folder.$delimiter) === 0) {
+    	  $a_out[] = $f;
+	  unset($folders[$idx]);
 	  }
-	reset($folders);  
-	}
+        }
+      reset($folders);  
       }
 
     return $a_out;
@@ -2589,36 +2715,6 @@
       }
     
     return $uid;
-    }
-
-
-  /**
-   * Parse string or array of server capabilities and put them in internal array
-   * @access private
-   */
-  function _parse_capability($caps)
-    {
-    if (!is_array($caps))
-      $cap_arr = explode(' ', $caps);
-    else
-      $cap_arr = $caps;
-    
-    foreach ($cap_arr as $cap)
-      {
-      if ($cap=='CAPABILITY')
-        continue;
-
-      if (strpos($cap, '=')>0)
-        {
-        list($key, $value) = explode('=', $cap);
-        if (!is_array($this->capabilities[$key]))
-          $this->capabilities[$key] = array();
-          
-        $this->capabilities[$key][] = $value;
-        }
-      else
-        $this->capabilities[$cap] = TRUE;
-      }
     }
 
 

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