234 lines
		
	
	
	
		
			6.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			234 lines
		
	
	
	
		
			6.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| 
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| function nuke_session() {
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| 	unset($_SESSION['authenticated']);
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| 	unset($_SESSION['uid']);
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| 	unset($_SESSION['visitor_id']);
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| 	unset($_SESSION['administrator']);
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| 	unset($_SESSION['cid']);
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| 	unset($_SESSION['theme']);
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| 	unset($_SESSION['page_flags']);
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| }
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| 
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| 
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| // login/logout 
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| 
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| 
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| 
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| 
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| if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-params'))) || ($_POST['auth-params'] !== 'login'))) {
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| 
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| 	if(((x($_POST,'auth-params')) && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
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| 	
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| 		// process logout request
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| 
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| 		nuke_session();
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| 		notice( t('Logged out.') . EOL);
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| 		goaway($a->get_baseurl());
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| 	}
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| 
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| 	if(x($_SESSION,'uid')) {
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| 
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| 		// already logged in user returning
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| 
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| 		$check = get_config('system','paranoia');
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| 		// extra paranoia - if the IP changed, log them out
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| 		if($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) {
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| 			nuke_session();
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| 			goaway($a->get_baseurl());
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| 		}
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| 
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| 		$r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
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| 			intval($_SESSION['uid'])
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| 		);
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| 
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| 		if(! count($r)) {
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| 			nuke_session();
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| 			goaway($a->get_baseurl());
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| 		}
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| 
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| 		// initialise user environment
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| 
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| 		$a->user = $r[0];
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| 		$_SESSION['theme'] = $a->user['theme'];
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| 		$_SESSION['page_flags'] = $a->user['page-flags'];
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| 
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| 		if(strlen($a->user['timezone'])) {
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| 			date_default_timezone_set($a->user['timezone']);
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| 			$a->timezone = $a->user['timezone'];
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| 		}
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| 
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| 		$_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
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| 
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| 		$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
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| 			intval($_SESSION['uid']));
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| 		if(count($r)) {
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| 			$a->contact = $r[0];
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| 			$a->cid = $r[0]['id'];
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| 			$_SESSION['cid'] = $a->cid;
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| 
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| 		}
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| 		header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
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| 	}
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| }
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| else {
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| 
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| 	if(isset($_SESSION)) {
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| 		nuke_session();
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| 	}
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| 
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| 	if((x($_POST,'password')) && strlen($_POST['password']))
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| 		$encrypted = hash('whirlpool',trim($_POST['password']));
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| 	else {
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| 		if((x($_POST,'openid_url')) && strlen($_POST['openid_url'])) {
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| 
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| 			$noid = get_config('system','no_openid');
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| 
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| 			$openid_url = trim($_POST['openid_url']);
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| 
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| 			// validate_url alters the calling parameter
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| 
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| 			$temp_string = $openid_url;
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| 
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| 			// if it's an email address or doesn't resolve to a URL, fail.
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| 
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| 			if(($noid) || (strpos($temp_string,'@')) || (! validate_url($temp_string))) {
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| 				$a = get_app();
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| 				notice( t('Login failed.') . EOL);
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| 				goaway($a->get_baseurl());
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| 				// NOTREACHED
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| 			}
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| 
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| 			// Otherwise it's probably an openid.
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| 
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| 			require_once('library/openid.php');
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| 			$openid = new LightOpenID;
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| 			$openid->identity = $openid_url;
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| 			$_SESSION['openid'] = $openid_url;
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| 			$a = get_app();
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| 			$openid->returnUrl = $a->get_baseurl() . '/openid'; 
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| 
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| 			$r = q("SELECT `uid` FROM `user` WHERE `openid` = '%s' LIMIT 1",
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| 				dbesc($openid_url)
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| 			);
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| 			if(count($r)) { 
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| 				// existing account
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| 				goaway($openid->authUrl());
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| 				// NOTREACHED	
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| 			}
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| 			else {
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| 				if($a->config['register_policy'] == REGISTER_CLOSED) {
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| 					$a = get_app();
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| 					notice( t('Login failed.') . EOL);
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| 					goaway($a->get_baseurl());
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| 					// NOTREACHED
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| 				}
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| 				// new account
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| 				$_SESSION['register'] = 1;
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| 				$openid->required = array('namePerson/friendly', 'contact/email', 'namePerson');
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| 				$openid->optional = array('namePerson/first','media/image/aspect11','media/image/default');
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| 				goaway($openid->authUrl());
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| 				// NOTREACHED	
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| 			}
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| 		}
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| 	}
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| 	if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
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| 
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| 		$record = null;
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| 
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| 		$addon_auth = array(
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| 			'username' => trim($_POST['openid_url']), 
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| 			'password' => trim($_POST['password']),
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| 			'authenticated' => 0,
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| 			'user_record' => null
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| 		);
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| 
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| 		/**
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| 		 *
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| 		 * A plugin indicates successful login by setting 'authenticated' to non-zero value and returning a user record
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| 		 * Plugins should never set 'authenticated' except to indicate success - as hooks may be chained
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| 		 * and later plugins should not interfere with an earlier one that succeeded.
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| 		 *
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| 		 */
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| 
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| 		call_hooks('authenticate', $addon_auth);
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| 
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| 		if(($addon_auth['authenticated']) && (count($addon_auth['user_record']))) {
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| 			$record = $addon_auth['user_record'];
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| 		}
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| 		else {
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| 
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| 			// process normal login request
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| 
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| 			$r = q("SELECT * FROM `user` WHERE ( `email` = '%s' OR `nickname` = '%s' ) 
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| 				AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
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| 				dbesc(trim($_POST['openid_url'])),
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| 				dbesc(trim($_POST['openid_url'])),
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| 				dbesc($encrypted)
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| 			);
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| 			if(count($r))
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| 				$record = $r[0];
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| 		}
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| 
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| 		if((! $record) || (! count($record))) {
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| 			logger('authenticate: failed login attempt: ' . trim($_POST['openid_url'])); 
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| 			notice( t('Login failed.') . EOL );
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| 			goaway($a->get_baseurl());
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|   		}
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| 
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| 		$_SESSION['uid'] = $record['uid'];
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| 		$_SESSION['theme'] = $record['theme'];
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| 		$_SESSION['authenticated'] = 1;
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| 		$_SESSION['page_flags'] = $record['page-flags'];
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| 		$_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $record['nickname'];
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| 		$_SESSION['addr'] = $_SERVER['REMOTE_ADDR'];
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| 
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| 		notice( t("Welcome back ") . $record['username'] . EOL);
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| 		$a->user = $record;
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| 
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| 		if(strlen($a->user['timezone'])) {
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| 			date_default_timezone_set($a->user['timezone']);
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| 			$a->timezone = $a->user['timezone'];
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| 		}
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| 
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| 		$r = q("SELECT * FROM `contact` WHERE `uid` = %s AND `self` = 1 LIMIT 1",
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| 			intval($_SESSION['uid']));
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| 		if(count($r)) {
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| 			$a->contact = $r[0];
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| 			$a->cid = $r[0]['id'];
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| 			$_SESSION['cid'] = $a->cid;
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| 		}
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| 		q("UPDATE `user` SET `login_date` = '%s' WHERE `uid` = %d LIMIT 1",
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| 			dbesc(datetime_convert()),
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| 			intval($_SESSION['uid'])
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| 		);
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| 
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| 		call_hooks('logged_in', $a->user);
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| 
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| 		header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
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| 		if(($a->module !== 'home') && isset($_SESSION['return_url']))
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| 			goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
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| 	}
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| }
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| 
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| // Returns an array of group id's this contact is a member of.
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| // This array will only contain group id's related to the uid of this
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| // DFRN contact. They are *not* neccessarily unique across the entire site. 
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| 
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| 
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| if(! function_exists('init_groups_visitor')) {
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| function init_groups_visitor($contact_id) {
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| 	$groups = array();
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| 	$r = q("SELECT `gid` FROM `group_member` 
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| 		WHERE `contact-id` = %d ",
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| 		intval($contact_id)
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| 	);
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| 	if(count($r)) {
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| 		foreach($r as $rr)
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| 			$groups[] = $rr['gid'];
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| 	}
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| 	return $groups;
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| }}
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| 
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| 
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