/*************************
  Coppermine Photo Gallery
  ************************
  Copyright (c) 2003-2005 Coppermine Dev Team
  v1.1 originally written by Gregory DEMAR

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
  ********************************************
  Coppermine version: 1.4.2
  $Source: /cvsroot/coppermine/devel/bridge/vbulletin30.inc.php,v $
  $Revision: 1.24 $
  $Author: gaugau $
  $Date: 2005/10/25 01:16:09 $
**********************************************/

if (!defined('IN_COPPERMINE')) die('Not in Coppermine...');

// Switch that allows overriding the bridge manager with hard-coded values
define('USE_BRIDGEMGR', 1);

require 'bridge/udb_base.inc.php';

class cpg_udb extends core_udb {

	function cpg_udb()
	{
		global $BRIDGE;
		
		if (!USE_BRIDGEMGR) {
			$this->boardurl = 'http://www.yousite.com/vb3';
			require_once('../vb3/includes/config.php');

		} else {
			$this->boardurl = $BRIDGE['full_forum_url'];
			require_once($BRIDGE['relative_path_to_config_file'] . 'includes/config.php');
			$this->use_post_based_groups = $BRIDGE['use_post_based_groups'];
		}
		
		$this->multigroups = 1;
		
		// Database connection settings
		$this->db = array(
			'name' => $dbname,
			'host' => $servername ? $servername : 'localhost',
			'user' => $dbusername,
			'password' => $dbpassword,
			'prefix' =>$tableprefix
		);
		
		// Board table names
		$this->table = array(
			'users' => 'user',
			'groups' => 'usergroup',
			'sessions' => 'session'
		);

		// Derived full table names
		$this->usertable = '`' . $this->db['name'] . '`.' . $this->db['prefix'] . $this->table['users'];
		$this->groupstable =  '`' . $this->db['name'] . '`.' . $this->db['prefix'] . $this->table['groups'];
		$this->sessionstable =  '`' . $this->db['name'] . '`.' . $this->db['prefix'] . $this->table['sessions'];
		
		// Table field names
		$this->field = array(
			'username' => 'username', // name of 'username' field in users table
			'user_id' => 'userid', // name of 'id' field in users table
			'password' => 'password', // name of 'password' field in users table
			'email' => 'email', // name of 'email' field in users table
			'regdate' => 'joindate', // name of 'registered' field in users table
			'location' => "''", // name of 'location' field in users table
			'website' => 'homepage', // name of 'website' field in users table
			'usertbl_group_id' => 'usergroupid', // name of 'group id' field in users table
			'grouptbl_group_id' => 'usergroupid', // name of 'group id' field in groups table
			'grouptbl_group_name' => 'title' // name of 'group name' field in groups table
		);
		
		// Pages to redirect to
		$this->page = array(
			'register' => '/register.php',
			'editusers' => '/memberlist.php',
			'edituserprofile' => "/membe.php?u=",
		);
		
		// Group ids - admin and guest only.
		$this->admingroups = array(6);
		$this->guestgroup = $this->use_post_based_groups ? 101 : 3;
		
		// Use a special function to collect groups for cpg groups table
		$this->group_overrride = 0;
		
		// Cookie settings - used in following functions only
		$this->cookie_name = $cookieprefix;
		
		// Connect to db
		$this->connect();
	}

	// definition of how to extract id, name, group from a session cookie
	function session_extraction()
	{
		if (isset($_COOKIE[$this->cookie_name . 'sessionhash'])) {
			$session_id = addslashes($_COOKIE[$this->cookie_name . 'sessionhash']);
			
			$sql = "SELECT u.{$this->field['user_id']}, u.{$this->field['username']}, u.{$this->field['grouptbl_group_id']}+100 AS usergroupid FROM {$this->usertable} AS u, {$this->sessionstable} AS s WHERE s.{$this->field['user_id']}=u.{$this->field['user_id']} AND s.sessionhash='$session_id'";
			
			$result = cpg_db_query($sql, $this->link_id);
			
			if (mysql_num_rows($result)){
				$row = mysql_fetch_array($result);
				return $row;
			} else {
			    return false;
			}
		}
	}
	
	// Get groups of which user is member
	function get_groups($row)
	{
		$data[0] = in_array($row[$this->field['usertbl_group_id']] - 100, $this->admingroups) ? 1 : 2;
		
		if ($this->use_post_based_groups){
			$sql = "SELECT g.{$this->field['usertbl_group_id']}+100 AS group_id, u.* FROM {$this->usertable} AS u, {$this->groupstable} as g WHERE g.{$this->field['grouptbl_group_id']} = u.{$this->field['usertbl_group_id']} AND u.{$this->field['user_id']} = '{$row[$this->field['user_id']]}'";

			$result = cpg_db_query($sql, $this->link_id);
        
			$row = mysql_fetch_array($result);
			
			$data[0] = $row['group_id'];
			
			if ($row['membergroupids']){
				$groups = explode(',', $row['membergroupids']);
				foreach ($groups as $id => $group){
					$data[] = $group+100;
				}	
			}
		}
		
		return $data;
	}
	
	// definition of how to extract an id and password hash from a cookie
	function cookie_extraction()
	{
		return false;
	}
	
	// definition of actions required to convert a password from user database form to cookie form
	function udb_hash_db($password)
	{
		return $password; // unused
	}

	function login_page()
	{
		$this->redirect("/index.php");
	}

	function logout_page()
	{
		$this->redirect("/login.php?do=logout&u=".USER_ID);
	}
}

// and go !
$cpg_udb = new cpg_udb;
?>