Lockdown BuddyPress with Paid Memberships Pro Example

gistfile1.txt

<?php
/*
Plugin Name: PMPro BuddyPress Customizations
Plugin URI: http://www.paidmembershipspro.com/wp/pmpro-buddypress-customizations/
Description: Example code to lock down parts of BuddyPress with PMPro
Version: 0.2
Author: Stranger Studios
Author URI: http://www.strangerstudios.com
*/
/*	
	Copyright 2010	Stranger Studios	(email : [email protected])	 
*/

//disable buddy press admin bar
define('BP_DISABLE_ADMIN_BAR', true);

//hide some pages in buddypress
function pmpros_hide_buddy_press_pages()
{
	$uri = $_SERVER['REQUEST_URI'];	
	$not_allowed = array(
		//"/members/",
		"/groups/",
		"/groups/create/",
		"/groups/create/*",
		"/members/groups/",
		"/members/*/settings/",
	);
	foreach($not_allowed as $check)
	{
		//prep for regex
		$check = str_replace("/", "[\/]+", $check);					//replace /
		$check = str_replace("*\/", "[^\/]*\/", $check);			//replace * in middle of URIs
		$check = str_replace("+*", "+.*", $check);					//replace * at end of URIs
		$check = "/^" . $check . "\/?$/";							//add start/end /
				
		if(preg_match($check, $uri))
		{			
			wp_redirect(home_url());
			exit;
		}
	}
	
	//redirect groups to the forum	
	$redirects = array(
		"/groups/*",
		"/groups/*/home",
		"/groups/*/members",		
	);
	foreach($redirects as $check)
	{
		//prep for regex
		$check = str_replace("/", "[\/]+", $check);				//replace /
		$check = str_replace("*", "([^\/]*)", $check);			//replace *
		$check = "/^" . $check . "\/?/";						//add start/end /		
				
		$matched = preg_match($check, $uri, $matches);
				
		if(!empty($matches[1]))
		{			
			//but check if we're already on the forums
			$new_uri = "/groups/" . $matches[1] . "/forum/";
						
			if(strpos($uri, $new_uri) === false)
			{			
				wp_redirect(home_url("/groups/" . $matches[1] . "/forum/"));
				exit;
			}
		}
	}
	
	//lock some things for members only
	$members_only = array(
		"/members/",
	);
	foreach($members_only as $check)
	{
		//prep for regex
		$check = str_replace("/", "[\/]+", $check);				//replace /
		$check = str_replace("*\/", "[^\/]*\/", $check);		//replace * in middle of URIs
		$check = str_replace("+*", "+.*", $check);				//replace * at end of URIs
		$check = "/^" . $check . "\/?/";						//add start/end /
				
		//make sure they are a member
		if(preg_match($check, $uri) && !pmpro_hasMembershipLevel())
		{			
			wp_redirect(pmpro_url("levels"));
			exit;
		}
	}	
}
add_action("init", "pmpros_hide_buddy_press_pages");

//add all members to the members buddy press group
function pmpros_add_members()
{	
	global $wpdb, $current_user;
	
	if($current_user->user_login != "admin")
		return false;
	
	$users = $wpdb->get_results("SELECT * FROM $wpdb->pmpro_memberships_users WHERE membership_id = 6");		
	
	foreach($users as $user)
	{
		$already_member = $wpdb->get_var("SELECT id FROM wp_bp_groups_members WHERE user_id = '" . $user->user_id . "' LIMIT 1");
		if(!$already_member)
		{
			$sqlQuery = "INSERT INTO wp_bp_groups_members (group_id, user_id, user_title, is_confirmed) VALUES('3', '" . $user->user_id . "', 'Member', '1')";	
			//echo $sqlQuery . "<hr />";
			$wpdb->query($sqlQuery);
		}
	}
}
//add_action("init", "pmpros_add_members");

//add new members to the members buddy press group
function pmpros_pmpro_after_checkout($user_id)
{
	global $wpdb;
	$sqlQuery = "SELECT id FROM wp_bp_groups_members WHERE group_id = '3' AND user_id = '" . $user_id . "' LIMIT 1";
	$already_member = $wpdb->get_var($sqlQuery);
	if(!$already_member)
	{
		$sqlQuery = "INSERT INTO wp_bp_groups_members (group_id, user_id, user_title, is_confirmed) VALUES('3', '" . $user_id . "', 'Member', '1')";	
		$wpdb->query($sqlQuery);
	}
}
//add_action("pmpro_after_checkout", "pmpros_pmpro_after_checkout");


//remove canceled members from the members buddy press group
function pmpros_pmpro_after_change_membership_level($level_id, $user_id)
{
	global $wpdb;
	if($level_id == 6 || $level_id == 15 || $level_id == 16)
	{
		$sqlQuery = "SELECT id FROM wp_bp_groups_members WHERE group_id = '3' AND user_id = '" . $user_id . "' LIMIT 1";
		$already_member = $wpdb->get_var($sqlQuery);
		if(!$already_member)
		{
			$sqlQuery = "INSERT INTO wp_bp_groups_members (group_id, user_id, user_title, is_confirmed) VALUES('3', '" . $user_id . "', 'Member', '1')";	
			$wpdb->query($sqlQuery);
		}
	}
	else
	{
		$sqlQuery = "DELETE FROM wp_bp_groups_members WHERE group_id = 3 AND user_id = '" . $user_id . "' LIMIT 1";	
		$wpdb->query($sqlQuery);	
	}
}
add_action("pmpro_after_change_membership_level", "pmpros_pmpro_after_change_membership_level", 10, 2);

Thank you for this. This was the only working snippet I could find to restrict members from accessing buddypress pages.