class_session.php

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													  ),
												"id='{$this->session_id}'"
											  );
    } 
                    
    
    /*-------------------------------------------------------------------------*/
    // Get a session based on the current session ID
    /*-------------------------------------------------------------------------*/
    
    function get_session($session_id="")
    {
		//-----------------------------------------
		// INIT
    	//-----------------------------------------
    	
        $result     = array();
        $query      = "";
        $session_id = preg_replace("/([^a-zA-Z0-9])/", "", $session_id);
        
        if ( $session_id )
        {
			if ( $this->ipsclass->vars['match_browser'] == 1 )
			{
				$query = " AND browser='".$this->ipsclass->user_agent."'";
			}
			
			if ( $this->ipsclass->vars['match_ipaddress'] == 1 )
			{
				$query .= " AND ip_address='".$this->ipsclass->ip_address."'";
			}
			
			$this->ipsclass->DB->simple_construct( array( 'select' => 'id, member_id, running_time, location',
														  'from'   => 'sessions',
														  'where'  => "id='".$session_id."'".$query
												 )      );
				
			$this->ipsclass->DB->simple_exec();
			
			if ( $this->ipsclass->DB->get_num_rows() != 1 )
			{
				//-----------------------------------------
				// Either there is no session, or we have more than one session..
				//-----------------------------------------
				
				$this->session_dead_id   = $session_id;
				$this->session_id        = 0;
        		$this->session_user_id   = 0;
        		return;
			}
			else
			{
				$result = $this->ipsclass->DB->fetch_row();
				
				if ($result['id'] == "")
				{
					$this->session_dead_id   = $session_id;
					$this->session_id        = 0;
					$this->session_user_id   = 0;
					unset($result);
					return;
				}
				else
				{
					$this->session_id        = $result['id'];
					$this->session_user_id   = $result['member_id'];
					$this->last_click        = $result['running_time'];
        			$this->location          = $result['location'];
        			unset($result);
					return;
				}
			}
		}
    }
    
    /*-------------------------------------------------------------------------*/
    //
    // Creates a member session.
    //
    /*-------------------------------------------------------------------------*/
    
    function create_member_session()
    {
        if ($this->member['id'])
        {
        	//-----------------------------------------
        	// Remove the defunct sessions
        	//-----------------------------------------
        	
			$this->ipsclass->vars['session_expiration'] = $this->ipsclass->vars['session_expiration'] ? (time() - $this->ipsclass->vars['session_expiration']) : (time() - 3600);
			
			$this->ipsclass->DB->simple_construct( array( 'delete' => 'sessions', 'where' => "member_id=".$this->member['id'] ) );
			$this->ipsclass->DB->simple_exec();
			
			$this->session_id  = md5( uniqid(microtime()) );
			
			//-----------------------------------------
			// Get module settings
			//-----------------------------------------
			
			$vars = $this->_get_location_settings();
        	
        	//-----------------------------------------
			// Still update?
			//-----------------------------------------
			 
			if ( ! $this->do_update )
			{
				return;
			}
        
			//-----------------------------------------
        	// Insert the new session
        	//-----------------------------------------
        	
        	$this->ipsclass->DB->do_shutdown_insert( 'sessions',
													 array(
															'id'                 => $this->session_id,
															'member_name'        => $this->member['members_display_name'],
															'member_id'          => intval($this->member['id']),
															'member_group'       => $this->member['mgroup'],
															'login_type'         => substr($this->member['login_anonymous'],0, 1),
															'running_time'       => $this->time_now,
															'ip_address'         => $this->ipsclass->ip_address,
															'browser'            => $this->ipsclass->user_agent,
															'location'           => $vars['location'],
															'in_error'           => 0,
															'location_1_type'    => $vars['1_type'],
															'location_1_id'      => $vars['1_id'],
															'location_2_type'    => $vars['2_type'],
															'location_2_id'      => $vars['2_id'],
															'location_3_type'    => $vars['3_type'],
															'location_3_id'      => $vars['3_id'],
														  )
												  );
			
			//-----------------------------------------
			// If this is a member, update their last visit times, etc.
			//-----------------------------------------
			
			if ( time() - $this->member['last_activity'] > 3600 )
			{
				//-----------------------------------------
				// Reset the topics read cookie..
				//-----------------------------------------
				
				$this->ipsclass->my_setcookie('topicsread', '');
				
				list( $be_anon, $loggedin ) = explode( '&', $this->member['login_anonymous'] );
				
				$this->ipsclass->DB->simple_construct( array( 'update' => 'members',
															  'set'    => "login_anonymous='$be_anon&1', last_visit=last_activity, last_activity=".$this->time_now,
															  'where'  => "id=".$this->member['id']
													 )      );
					
				$this->ipsclass->DB->simple_shutdown_exec();
				
				//-----------------------------------------
				// Fix up the last visit/activity times.
				//-----------------------------------------
				
				$this->ipsclass->input['last_visit']    = $this->member['last_activity'];
				$this->ipsclass->input['last_activity'] = $this->time_now;
			}
		}
		else
		{
			$this->create_guest_session();
		}
    }
    
    /*-------------------------------------------------------------------------*/
    //
    // Create guest session
    //
    /*-------------------------------------------------------------------------*/
    
    function create_guest_session()
    {
		//-----------------------------------------
    	// INIT
    	//-----------------------------------------
    	
    	$query = array();
    	
    	$this->ipsclass->vars['session_expiration'] = $this->ipsclass->vars['session_expiration'] ? (time() - $this->ipsclass->vars['session_expiration']) : (time() - 3600);
		
		//-----------------------------------------
		// Remove the defunct sessions
		//-----------------------------------------
		
		if ( ($this->session_dead_id != 0) and ( ! empty($this->session_dead_id) ) )
		{
			$query[] = "id='".$this->session_dead_id."'";
		}
		else if ( $this->ipsclass->vars['match_ipaddress'] == 1 )
		{
			$query[] = "ip_address='".$this->ipsclass->ip_address."'";
		}
		
		if ( count( $query ) )
		{
			$this->ipsclass->DB->simple_construct( array( 'delete' => 'sessions', 'where'  => implode( " OR ", $query ) ) );
			$this->ipsclass->DB->simple_exec();
		}
								 
		$this->session_id  = md5( uniqid(microtime()) );
		
		//-----------------------------------------
        // Get module settings
        //-----------------------------------------
        
        $vars = $this->_get_location_settings();
        
        //-----------------------------------------
        // Still update?
        //-----------------------------------------
         
        if ( ! $this->do_update )
        {
        	return;
        }
        
		//-----------------------------------------
		// Insert the new session
		//-----------------------------------------
		
		$this->ipsclass->DB->do_shutdown_insert( 'sessions',
												 array(
														'id'                 => $this->session_id,
														'member_name'        => '',
														'member_id'          => 0,
														'member_group'       => $this->ipsclass->vars['guest_group'],
														'login_type'         => 0,
														'running_time'       => $this->time_now,
														'ip_address'         => $this->ipsclass->ip_address,
														'browser'            => $this->ipsclass->user_agent,
														'location'           => $vars['location'],
														'in_error'           => 0,
														'location_1_type'    => $vars['1_type'],
														'location_1_id'      => $vars['1_id'],
														'location_2_type'    => $vars['2_type'],
														'location_2_id'      => $vars['2_id'],
														'location_3_type'    => $vars['3_type'],
														'location_3_id'      => $vars['3_id'],
													  )
											  );
    }
    
    /*-------------------------------------------------------------------------*/
    // Creates a BOT session
    /*-------------------------------------------------------------------------*/
    
    function create_bot_session($bot, $name="")
    {
    	//-----------------------------------------
        // Get module settings
        //-----------------------------------------
        
        $vars = $this->_get_location_settings();
        
        $this->ipsclass->DB->do_shutdown_insert( 'sessions',
												 array(
														'id'                 => $bot.'='.str_replace('.','',$this->ipsclass->ip_address ).'_session',
														'member_name'        => $name ? $name : $bot,
														'member_id'          => 0,
														'member_group'       => $this->ipsclass->vars['spider_group'],
														'login_type'         => $this->ipsclass->vars['spider_anon'],
														'running_time'       => $this->time_now,
														'ip_address'         => $this->ipsclass->ip_address,
														'browser'            => $this->ipsclass->user_agent,
														'location'           => $vars['location'],
														'in_error'           => 0,
														'location_1_type'    => $vars['1_type'],
														'location_1_id'      => $vars['1_id'],
														'location_2_type'    => $vars['2_type'],
														'location_2_id'      => $vars['2_id'],
														'location_3_type'    => $vars['3_type'],
														'location_3_id'      => $vars['3_id'],
													  )
											  );
    }
    
    /*-------------------------------------------------------------------------*/
    // Updates a BOT current session.
    /*-------------------------------------------------------------------------*/
    
    function update_bot_session($bot, $name="")
    {
    	//-----------------------------------------
        // Get module settings
        //-----------------------------------------
        
        $vars = $this->_get_location_settings();
        
		$this->ipsclass->DB->do_shutdown_update( 'sessions',
												 array(
														'member_name'        => $name ? $name : $bot,
														'member_id'          => 0,
														'member_group'       => $this->ipsclass->vars['spider_group'],
														'login_type'         => $this->ipsclass->vars['spider_anon'],
														'running_time'       => $this->time_now,
														'location'           => $vars['location'],
														'in_error'           => 0,
														'location_1_type'    => $vars['1_type'],
														'location_1_id'      => $vars['1_id'],
														'location_2_type'    => $vars['2_type'],
														'location_2_id'      => $vars['2_id'],
														'location_3_type'    => $vars['3_type'],
														'location_3_id'      => $vars['3_id'],
													  ),
												  "id='".$bot.'='.str_replace('.','',$this->ipsclass->ip_address )."_session'"
											  );
    }
    
    /*-------------------------------------------------------------------------*/
    // Returns a "clean" query string
    /*-------------------------------------------------------------------------*/
    
    function _get_location_settings()
    {
    	//-----------------------------------------
    	// INIT
    	//-----------------------------------------
    	
    	$return = array();
    	$module = $this->ipsclass->input['automodule'] ? $this->ipsclass->input['automodule'] : $this->ipsclass->input['module'];
    	
    	//-----------------------------------------
    	// MODULE?
    	//-----------------------------------------
    	
    	if ( $module )
    	{
    		$filename = ROOT_PATH.'sources/components_location/'.$this->ipsclass->txt_alphanumerical_clean( $module ).'.php';
				
			if ( file_exists( $filename ) )
			{
				require_once( $filename );
				$toload           = 'components_location_'.$module;
				$loader           = new $toload;
				$loader->ipsclass =& $this->ipsclass;
				
				$return = $loader->get_session_variables();
				$return['location'] = 'mod:'.$module;
			}
    	}
    	
    	//-----------------------------------------
    	// FORUM
    	//-----------------------------------------
    	
    	else if ( $this->ipsclass->input['act'] == 'sf' AND $this->ipsclass->input['f'] )
    	{
    		$return = array( 'location' => 'sf',
    						 '2_type'   => 'forum',
    						 '2_id'     => intval($this->ipsclass->input['f']) );
    	}
    	
    	//-----------------------------------------
    	// TOPIC
    	//-----------------------------------------
    	
    	else if ( $this->ipsclass->input['act'] == 'st' AND $this->ipsclass->input['t'] )
    	{
    		$return = array( 'location' => 'st',
    						 '1_type'   => 'topic',
    						 '1_id'     => intval($this->ipsclass->input['t']),
    						 '2_type'   => 'forum',
    						 '2_id'     => intval($this->ipsclass->input['f']) );
    	}
    	
    	//-----------------------------------------
    	// POST
    	//-----------------------------------------
    	
    	else if ( $this->ipsclass->input['act'] == 'post' AND $this->ipsclass->input['f'] )
    	{
    		$return = array( 'location' => 'post',
    			 			 '1_type'   => 'topic',
    						 '1_id'     => intval($this->ipsclass->input['t']),
    						 '2_type'   => 'forum',
    						 '2_id'     => intval($this->ipsclass->input['f']) );
    	}
    	
    	//-----------------------------------------
    	// OTHER
    	//-----------------------------------------
    	
    	else
    	{
    		$return = array( 'location' => $this->ipsclass->input['act'].",".$this->ipsclass->input['p'].",".$this->ipsclass->input['CODE'] );
    	}
    	
    	return $return;
    }
    
        
}

?>