update openid for snakebite

library/openid/provider/example.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * This example shows how to create a basic provider usin HTTP Authentication.
+ * This is only an example. You shouldn't use it as-is in your code.
+ */
+require 'provider.php';
+
+class BasicProvider extends LightOpenIDProvider
+{
+    public $select_id = true;
+    public $login = '';
+    public $password = '';
+    
+    function __construct()
+    {
+        parent::__construct();
+        
+        # If we use select_id, we must disable it for identity pages,
+        # so that an RP can discover it and get proper data (i.e. without select_id)
+        if(isset($_GET['id'])) {
+            $this->select_id = false;
+        }
+    }
+    
+    function setup($identity, $realm, $assoc_handle, $attributes)
+    {
+        header('WWW-Authenticate: Basic realm="' . $this->data['openid_realm'] . '"');
+        header('HTTP/1.0 401 Unauthorized');
+    }
+    
+    function checkid($realm, &$attributes)
+    {
+        if(!isset($_SERVER['PHP_AUTH_USER'])) {
+            return false;
+        }
+        
+        if ($_SERVER['PHP_AUTH_USER'] == $this->login
+            && $_SERVER['PHP_AUTH_PW'] == $this->password
+        ) {
+            # Returning identity
+            # It can be any url that leads here, or to any other place that hosts
+            # an XRDS document pointing here.
+            return $this->serverLocation . '?id=' . $this->login;
+        }
+        
+        return false;
+    }
+    
+}
+$op = new BasicProvider;
+$op->login = 'test';
+$op->password = 'test';
+$op->server();