<?
// dispatcher
//error_reporting(E_ALL);
//ini_set('display_errors', 0);
//ini_set('log_errors', 1);

define('SE_PAGE', true);

include "header.php";
include_once "header_forum.php"; // make sure forum header is loaded, even if plugin is disabled


if(SEP_Forum_SE_Version == 3 && $setting['setting_username'] == 1) {
	define('SEP_Forum_use_usernames', true);
	$smarty->assign('SEP_Forum_use_usernames', true);
}
else {
	define('SEP_Forum_use_usernames', false);
	$smarty->assign('SEP_Forum_use_usernames', false);	
}


// parse mod_rewrite urls and make sure, standard urls are redirecting to topic, too
if($url_style == 'mod_rewrite' && !isset($_GET['c']) && $_GET['c'] != 'topic') {
	
	/*
	 * BASE URL SUPPORT
	 * If no images or stylesheets are loading, please uncomment
	 * the lines below and check the base url setting in your admin panel.
	 *
	 * NOTE: Uncommenting the lines below may cause php session troubles though
	 */
	
		$_url_base = SEP_Forum_Models::get_forum_setting('url_base');
		if(substr($_url_base, -1) != '/') {
			$_url_base .= '/';
		}
		$url->url_base = $_url_base;
		unset($_url_base);

	// END BASE URL SUPPORT 


	/*
	 * Delegate Controller/Action with mod_rewrite query
	 *
	 * Possible routes:
	 *
	 * Forum Controller
	 * 		/forum[/instance_id][/action][/category_id][/page]
	 * 		PARAMS: instance_id, action, category_id, page
	 *
	 * Category Controller:
	 * 		/forum[/instance_id]/category/category_id[/action][/topic_id][/page]
	 * 		PARAMS: instance_id, category_id, action, topic_id, page
	 *
	 * Topic Controller:
	 * 		/forum[/instance_id]/topic/category_id/action/topic_id[/page][#jump_to_post_id]
	 * 		PARAMS: instance_id, category_id, action, topic_id, page
	 *
	 * Post Controller:
	 * 		/forum[/instance_id]/post/category_id/action/post_id
	 * 		PARAMS: instance_id, category_id, action, post_id
	 *
	 * Attachment Controller:
	 * 		/forum[/instance_id]/attachment/category_id/post_id/attachment_id
	 * 		PARAMS: instance_id, category_id, post_id, attachment_id
	 *
	 * SEO URL (redirects to topic controller with topic_id and page)
	 * 		/forum/category/sub_category/title-topic_id-page.html
	 *
	 */
	$category_id 	= null;
	$topic_id 		= null;
	$post_id 		= null;
	$attachment_id	= null;
	$action 		= null;
	$controller		= null;

	$_forum_controller_actions = array('bookmarks', 'browse', 'subindex', 'index', 'my_posts', 'search', 'settings');
	$_controllers = array('category', 'topic', 'post', 'attachment'); // except for forum

	$requested_url = strip_tags($_SERVER['REQUEST_URI']);
	
	// fix for PHPSESSID or what ever is added at the end, after ? or &
	$_sign_break = strpos($requested_url, '?');
	if($_sign_break !== false) {
		$requested_url = substr($requested_url, 0, $_sign_break);
		trigger_error('Forum Plugin: Client does not accept cookies. Session was killed.', E_USER_NOTICE);
	}	
	$_sign_break = strpos($requested_url, '&');
	if($_sign_break !== false) {
		$requested_url = substr($requested_url, 0, $_sign_break);
		trigger_error('Forum Plugin: Client does not accept cookies. Session was killed.', E_USER_NOTICE);
	}		
	
	
	// subdirectory support
	$requested_uri = explode('/', strip_tags($requested_url));
	
	
	$_uri_sub = array();
	$i=0;
	$_requested_uri = @array_shift($requested_uri);
	while($_requested_uri != $SEPFURL->instance_mode_options['mod_rewrite']['group'] && $_requested_uri != $SEPFURL->instance_mode_options['mod_rewrite']['forum']) {
		$i++;
		if($i > 10) {
			break;	
		}
		if(!empty($_requested_uri) && $_requested_uri != 'http:') { // http: without //, since this was exploded above!
			$_uri_sub[] = $_requested_uri;
			
		}
		$_requested_uri = @array_shift($requested_uri);	
	}	
	unset($_requested_uri);
	
	$mode_search_forum = strpos($requested_url, $SEPFURL->instance_mode_options['mod_rewrite']['forum']);
	$mode_search_group = strpos($requested_url, $SEPFURL->instance_mode_options['mod_rewrite']['group']);

	if($mode_search_forum === false) {
		$sep_forum_mode_detect = 'group';
	}
	elseif($mode_search_group === false) {
		$sep_forum_mode_detect = 'forum';
	}
	elseif($mode_search_group <= $mode_search_forum) {
		$sep_forum_mode_detect = 'group';
	}
	else {
		$sep_forum_mode_detect = 'forum';
	}

	// set prefix for subdirectories
	$url_sub = implode('/', $_uri_sub);
	

	// parse requested_uri...
	$req_uri_part = array_shift($requested_uri);
	if(!empty($req_uri_part)) {

		if(is_numeric($req_uri_part)) {
			$instance_id = $req_uri_part;
			unset($req_uri_part);$req_uri_part = @array_shift($requested_uri);
		}

		if(in_array($req_uri_part, $_forum_controller_actions)) {
			// forum controller
			$controller = 'forum';
			$action = $req_uri_part;
			$category_id = @array_shift($requested_uri);
			$page_id = @array_shift($requested_uri);
		}
		elseif(in_array($req_uri_part, $_controllers)) {
			// other controller
			$controller = $req_uri_part;
			$category_id = @array_shift($requested_uri);
			$action = @array_shift($requested_uri);

			if($controller == 'post') {
				$post_id = @array_shift($requested_uri);
			}
			elseif($controller == 'attachment') {
				$post_id = $action;
				$action = 'download';
				$attachment_id = @array_shift($requested_uri);
			}
			else {
				$topic_id = @array_shift($requested_uri);
				$page_id = @array_shift($requested_uri);
			}
		}

		if(empty($controller)) {
			// SEO url?
			// get topic_id and page_id
			$matches = array();
			preg_match("/([0-9]*?)\-([0-9|LP]*?)\.html$/", $requested_uri[1], $matches);

			if(!empty($matches[1]) && !empty($matches[2])) {
				$topic_id = $matches[1];
				$page_id = $matches[2];

				// get category_id and instance_id
				$_post_item = $SEPFSQL->find('first', array('model' => 'Post', 'fields' => array('id', 'instance_id', 'category_id'),
															'conditions' => array('Post.id=?', array($topic_id))));

				if(!empty($_post_item['Post']['id'])) {
					if($sep_forum_mode_detect == 'forum') {
					$instance_id = $_post_item['Post']['instance_id'];
					}
					$category_id = $_post_item['Post']['category_id'];

					$controller = 'topic';
					$action = 'index';
				}
			}
		}
	}

	if(empty($controller)) {
		$controller = 'forum';
	}

	if(empty($action)) {
		$action = 'index';
	}

	$params = array('params' => array('instance_id' => $instance_id,
									 	 'category_id' => $category_id,
									 	 'topic_id'	=> $topic_id,
										 'post_id' => $post_id,
									 	 'page'		=> $page_id,
										 'attachment_id' => $attachment_id,
										 'action' => $action,
									  	 'controller' => $controller));

	// add raw requested uri to params
	$params['requested_uri'] = $requested_uri;

}
else {
	/*
	 * Delegate Controller/Action with normal url query
	 *
	 * $controller = [category|topic|post|attachment] (becomes 'forum' if empty)
	 *
	 */
	$instance_id 	= $multi_instances && !empty($_GET['iid']) ? $_GET['iid'] : $instance_id;
	$category_id 	= !empty($_GET['cid']) ? $_GET['cid'] : null;
	$topic_id 		= !empty($_GET['tid']) ? $_GET['tid'] : null;
	$post_id 		= !empty($_GET['pid']) ? $_GET['pid'] : null;
	$page_id 		= !empty($_GET['page']) ? $_GET['page'] : null;
	$attachment_id	= !empty($_GET['aid']) ? $_GET['aid'] : null;
	$action 		= !empty($_GET['op']) ? $_GET['op'] : 'browse';
	$controller		= !empty($_GET['c']) ? $_GET['c'] : 'forum';


	$params = array('params' => array('instance_id' => $instance_id,
										'category_id' => $category_id,
										'topic_id' => $topic_id,
										'post_id' => $post_id,
										'page' => $page_id,
										'attachment_id' => $attachment_id,
										'action' => $action,
										'controller' => $controller));
	
	// subdirectory support
	$requested_url = strip_tags($_SERVER['REQUEST_URI']);
	$_sub_dir = dirname($requested_url);
	$url_sub = null;
	if(!empty($_sub_dir) && $_sub_dir != '.' && $_sub_dir != '/') {
		$url_sub = $_sub_dir;
	}

	
	$mode_search_forum = strpos($requested_url, $SEPFURL->instance_mode_options['default']['forum']);
	$mode_search_group = strpos($requested_url, $SEPFURL->instance_mode_options['default']['group']);

	if($mode_search_forum === false) {
		$sep_forum_mode_detect = 'group';
	}
	elseif($mode_search_group === false) {
		$sep_forum_mode_detect = 'forum';
	}
	elseif($mode_search_group <= $mode_search_forum) {
		$sep_forum_mode_detect = 'group';
	}
	else {
		$sep_forum_mode_detect = 'forum';
	}

}

if($sep_forum_mode_detect == 'group' && empty($setting['setting_sep_group_integration_enable_forum'])) {
	$smarty->assign('show_header_and_footer', true);
	$smarty->assign('prepare_group_template', false);
	SEP_Forum_Helper::redirect_to_error($SEPFLG->getLang('Invalid request!'));
	exit;
}


// Set to true for debugging!
$enable_dispatcher_debug = false;
if($enable_dispatcher_debug) {
	echo "<hr>CONTROLLER: $controller<br>";
	echo "ACTION: $action<br>";
	echo "INSTANCE_ID: $instance_id<br>";
	echo "CATEGORY_ID: $category_id<br>";
	echo "TOPIC_ID: $topic_id<br>";
	echo "POST_ID: $post_id<br>";
	echo "PAGE: $page_id<br>";
	echo "ATTACHMENT_ID: $attachment_id<br>";
	exit;
}


// clean controller
$controller = strtolower(preg_replace('/[^a-z0-9]/i', '', $controller));

// URL Helper Init
$SEPFURL->init($multi_instances, $instance_id, $url_style, $url_sub);

// Prepare user object
$params['user']['_object'] = $user;
$params['user']['logged_in'] = !empty($user->user_info['user_id']) ? true : false;
$params['user']['id'] = $user->user_info['user_id'];
$params['user']['photo'] = $user->user_info['user_photo'];
$params['user']['name'] = $user->user_info['user_username'];
$params['user']['display_name'] = !empty($user->user_displayname) ? $user->user_displayname : $user->user_info['user_username'];
$params['user']['email'] = $user->user_info['user_email'];
$params['user']['level_id'] = $user->user_info['user_level_id'];
$params['user']['subnet_id'] = $user->user_info['user_subnet_id'];
$params['user']['profilecat_id'] = $user->user_info['user_profilecat_id'];

// Assign user object
$smarty->assign('sep_forum_user', $params['user']);
$smarty->assign('_active_tab', '');


if($params['params']['controller'] == 'forum' && in_array($params['params']['action'], array('index', 'browse')) && empty($params['params']['instance_id'])) {
	$params['params']['instance_id'] = $global_instance_id;
}


// check if there are any instances for forum?
$_get_param_group_id = null;
$show_header_and_footer = true;
$prepare_group_template = false;
if($SEPFSQL->find('count', array('model' => 'Instance', 'conditions' => array('mode=?', array('forum')), 'limit' => 1)) == 0) {
	$smarty->assign('show_header_and_footer', $show_header_and_footer);
	$smarty->assign('prepare_group_template', $prepare_group_template);
	SEP_Forum_Helper::redirect_to_error($SEPFLG->getLang('There are no forums to access.'));
	exit;
}
else {
	if($multi_instances && $sep_forum_mode_detect == 'group') {
		// check if this instance is a forum or a group

		$_GET['group_id'] = $params['params']['instance_id']; // instance_id contains group_id! (in group mode)
		// replace group_id and set it to instance_id for internal processes!
		$params['params']['instance_id'] = $SEP_Group_Integration->groupId2InstanceId($params['params']['instance_id']);

		$_instance_info = $SEPFSQL->find('first', array('model' => 'Instance', 'fields' => array('mode'), 'conditions' => array('id=?', array($params['params']['instance_id']))));
		if($_instance_info['Instance']['mode'] == 'group') {
			$show_header_and_footer = true;
			$prepare_group_template = true;

			$_GET['v'] = 'discussions'; // set tab to discussions
			define('prepare_group_template', true);
			require_once(getcwd().'/sep_group_integration_group_include.php');
			$SEPFURL->set_instance_mode('group');
			$_get_param_group_id = $_GET['group_id']*1;
				
			if(empty($allowed_to_discuss) || $allowed_to_discuss == 0) {
				$smarty->assign('show_header_and_footer', $show_header_and_footer);
				$smarty->assign('prepare_group_template', $prepare_group_template);
				SEP_Forum_Helper::redirect_to_error($SEPFLG->getLang('There are no forums to access.'));
				exit;
			}
				
			$sep_group_integration_group_id = htmlspecialchars($_GET['group_id']*1);
			$SEP_Group_Integration->set_group_id($sep_group_integration_group_id);
			$instance_id = $params['params']['instance_id'];
				
		}
	}
}
$smarty->assign('show_header_and_footer', $show_header_and_footer);
$smarty->assign('prepare_group_template', $prepare_group_template);
/*
 * Delegate controller/actions and pass params to action
 */
// whitelisting available controllers
if(!in_array($controller, array('category', 'forum', 'post', 'topic', 'attachment'))) {
	SEP_Forum_Helper::redirect_to_error($SEPFLG->getLang('Invalid url request'));
	exit;
}

$lk=SEP_Forum_Models::get_forum_setting("license_key");if(empty($lk)){SEP_Forum_Helper::redirect_to_error($SEPFLG->getLang('The forum is not available at the moment.'));}


function sepf_dummy() {}
$plugin_disabled = false;
$plugin_disabled = @mysql_query("SELECT 1 FROM se_plugins WHERE plugin_type='forum' AND plugin_disabled=1 LIMIT 1") OR sepf_dummy();
$plugin_disabled = @mysql_fetch_row($plugin_disabled);
if($plugin_disabled) {
	SEP_Forum_Helper::redirect_to_error($SEPFLG->getLang('The forum is not available at the moment'));
	exit;	
}

require getcwd().'/include/forum/controllers/'.$controller.'_controller.php';
call_user_func_array(array('SEP_'.ucfirst($controller).'Controller', $action), array(&$params, &$SEPFSQL, &$SEPFLG, &$SEPFURL, &$smarty));

if(empty($params['layout'])) {
	$page = 'forum/'.$controller.'_'.$action;
}
else {
	$page = 'forum/'.$params['layout'];
}

// allow these pages/ templates only
$template_whitelist = array(
'forum/category_index',
'forum/forum_bookmarks',
'forum/forum_browse',
'forum/forum_index',
'forum/forum_my_posts',
'forum/forum_profile_posts',
'forum/forum_search',
'forum/forum_settings',
'forum/forum_subindex',
'forum/topic_form',
'forum/topic_index'
);

if(!in_array($page, $template_whitelist)) {
	SEP_Forum_Helper::redirect_to_error($SEPFLG->getLang('This page does not exist'));
	exit;		
}

// Flash messages
$smarty->assign('sep_flash_error', SEP_Forum_Helper::getFlash('error'));
$smarty->assign('sep_flash_success', SEP_Forum_Helper::getFlash('success'));
$smarty->assign('sep_flash_info', SEP_Forum_Helper::getFlash('info'));
SEP_Forum_Helper::resetFlash();


include "footer.php";


?>