<?php
/*
Plugin Name: Affiliate Link Cloaking
Plugin URI:  http://www.clionpid.com/
Description: Cloaking your affiliate links and tracking the hits and unique visitors of each link. 
Version: 1.2
Author: Clionpid
Author URI:  http://www.clionpid.com/
*/

/*
GNU General Public License, Free Software Foundation <http://creativecommons.org/licenses/GPL/2.0/>
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.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/


function menu_main()
{
    require_once('ui_main.php');
}
function submenu_addnewlink()
{
    require_once('ui_addnewlink.php');
}
function submenu_linktrack()
{
    require_once('ui_track.php');
}

function add_mysetting()
{
    add_menu_page('Affiliate Link Cloaking','Link Cloaking',8, __FILE__,'menu_main', get_bloginfo('url').'/wp-content/plugins/affiliate-link-cloaking/img/AffIcon_16.png' );
    add_submenu_page(__FILE__,'Add New Link','Add New Link',8,'affiliate-link-cloaking/ui_addnewlink.php','submenu_addnewlink');
    add_submenu_page(__FILE__,'Link Status','Link Status',8,'affiliate-link-cloaking/ui_track.php','submenu_linktrack');
}

add_action('admin_menu', 'add_mysetting');

/////////////////////////////////////////////////////////////////////////////////////////////////

require_once('dbtable.php');

global $afflctable;
$afflctable=new afflinkcloaking_dbtable();
///////////////////////////////////////////////////////////////////////////////////////////////

function afflc_autoshortlink($content)
{
    global $afflctable;
    $alllinks = $afflctable->GetAllLinks();
    
    foreach( $alllinks as $onelink )
    {
        if ( 1 == $onelink->autoshortlink )
        {
           $shortlink=get_bloginfo('url').'/'.$onelink->cloaklink;
           $content = str_replace( $onelink->afflink, $shortlink , $content ); 
        }  
    }

    return $content;
}

add_filter('the_content', 'afflc_autoshortlink');

///////////////////////////////////////////////////////////////////////////////////////////////
add_action('init', 'redirectandtrack');

function redirectandtrack()
{   

    global $afflctable;
    $tmp_clink=substr($_SERVER["REQUEST_URI"],1);

    $curlink=$afflctable->GetLinkByCloakLink($tmp_clink);   
    if ( isset($curlink) )
    {
        $tmp_visitorcookie = $tmp_clink.$_SERVER["REMOTE_ADDR"].time();
        if ( !isset( $_COOKIE[$tmp_clink] ) )
        {
            $cookiedomain = get_bloginfo('url');
            $cookiedomain = str_ireplace('http://','',$cookiedomain);
            $cookiedomain = str_ireplace('www','',$cookiedomain);
            if ( substr( $cookiedomain,strlen($cookiedomain)-1,1 ) == '/' ) $cookiedomain = substr( $cookiedomain, 0, strlen($cookiedomain)-1 );
            setcookie($tmp_clink, $tmp_visitorcookie, time()+3600*24*30 , '/' , $cookiedomain );        
        }
        else
        {
            $tmp_visitorcookie=$_COOKIE[$tmp_clink];
        }        
           
        $afflctable->AddTrack($_SERVER["REMOTE_ADDR"], $_SERVER["HTTP_REFERER"], $_SERVER["HTTP_USER_AGENT"], $tmp_visitorcookie, $curlink->id);
        $afflctable->AnalyseStatisticsDaily( time(), $curlink->id );

        wp_redirect( $curlink->afflink, 302);
        exit;
    }
     
}
/////////////////////////////////////////////////////////////////////////////////////////////
add_filter('cron_schedules', 'afflinkcloaking_cron_add_maintaintime' );
register_activation_hook(__FILE__, 'afflinkcloaking_ActiveTableMaintain' ); 
add_action('afflinkcloaking_action_tablemaintain', 'afflinkcloaking_TableMaintain' );
register_deactivation_hook(__FILE__, 'afflinkcloaking_DeactiveTableMaintain' );
 
function afflinkcloaking_cron_add_maintaintime()
{
    $schedules['maintain'] = array(
    'interval' => 86400,
    'display' => __('maintain')
    );
    return $schedules;
}
function afflinkcloaking_ActiveTableMaintain()
{
    if ( !wp_get_schedule('afflinkcloaking_action_tablemaintain') )
        wp_schedule_event(time(), 'maintain', 'afflinkcloaking_action_tablemaintain');
}  
function afflinkcloaking_TableMaintain() 
{
    global $afflctable;
    $afflctable->MaintainDate();
}
function afflinkcloaking_DeactiveTableMaintain()
{
    wp_clear_scheduled_hook('afflinkcloaking_action_tablemaintain');
}

?>