From 875b31fb8efb5fbd5e6682321ac6a6a055cd8e4d Mon Sep 17 00:00:00 2001
From: Friendika <info@friendika.com>
Date: Wed, 17 Nov 2010 17:03:27 -0800
Subject: [PATCH] openid logins working

---
 include/auth.php | 30 ++++++++++++++++++++--------
 mod/openid.php   | 52 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+), 8 deletions(-)
 create mode 100644 mod/openid.php

diff --git a/include/auth.php b/include/auth.php
index 0a21a276..c09a89ff 100644
--- a/include/auth.php
+++ b/include/auth.php
@@ -67,16 +67,30 @@ else {
 		unset($_SESSION['page_flags']);
 	}
 
-	if(x($_POST,'password'))
+	if((x($_POST,'password')) && strlen($_POST['password']))
 		$encrypted = hash('whirlpool',trim($_POST['password']));
 	else {
-		if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
-			require_once('library/openid.php');
-			$openid = new LightOpenID;
-			$openid->identity = trim($_POST['login-name']);
-			$a = get_app();
-			$openid->returnUrl = $a->get_baseurl() . '/openid'; 
-			goaway($openid->authUrl());	
+		if((x($_POST,'login-name')) && strlen($_POST['login-name'])) {
+			$openid_url = trim($_POST['login-name']);
+			$r = q("SELECT `uid` FROM `user` WHERE `openid` = '%s' LIMIT 1",
+				dbesc($openid_url)
+			);
+			if(count($r)) {
+				require_once('library/openid.php');
+				$openid = new LightOpenID;
+				$openid->identity = $openid_url;
+				$_SESSION['openid'] = $openid_url;
+				$a = get_app();
+				$openid->returnUrl = $a->get_baseurl() . '/openid'; 
+				goaway($openid->authUrl());
+				// NOTREACHED	
+			}
+			else {
+				$a = get_app();
+				notice( t('Login failed.') . EOL);
+				goaway($a->get_baseurl());
+				// NOTREACHED
+			}
 		}
 	}
 	if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
diff --git a/mod/openid.php b/mod/openid.php
new file mode 100644
index 00000000..6c1edd72
--- /dev/null
+++ b/mod/openid.php
@@ -0,0 +1,52 @@
+<?php
+
+
+require_once('library/openid.php');
+
+
+function openid_content(&$a) {
+
+	if((x($_GET,'openid_mode')) && (x($_SESSION,'openid'))) {
+		$openid = new LightOpenID;
+
+		if($openid->validate()) {
+
+			$r = q("SELECT * FROM `user` WHERE `openid` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
+				dbesc($_SESSION['openid'])
+			);
+			if(! count($r)) {
+				notice( t('Login failed.') . EOL );
+				goaway($a->get_baseurl());
+  			}
+			unset($_SESSION['openid']);
+
+			$_SESSION['uid'] = $r[0]['uid'];
+			$_SESSION['theme'] = $r[0]['theme'];
+			$_SESSION['authenticated'] = 1;
+			$_SESSION['page_flags'] = $r[0]['page-flags'];
+			$_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $r[0]['nickname'];
+
+			notice( t("Welcome back ") . $r[0]['username'] . EOL);
+			$a->user = $r[0];
+			if(strlen($a->user['timezone']))
+				date_default_timezone_set($a->user['timezone']);
+
+			$r = q("SELECT * FROM `contact` WHERE `uid` = %s AND `self` = 1 LIMIT 1",
+				intval($_SESSION['uid']));
+			if(count($r)) {
+				$a->contact = $r[0];
+				$a->cid = $r[0]['id'];
+				$_SESSION['cid'] = $a->cid;
+			}
+
+			header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
+			if(($a->module !== 'home') && isset($_SESSION['return_url']))
+				goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
+			else
+				goaway($a->get_baseurl());
+		}
+	}
+	notice( t('Login failed.') . EOL);
+	goaway($a->get_baseurl());
+	// NOTREACHED
+}
\ No newline at end of file