17515512: JanRain php-openid library included, normalization fix

git-svn-id: http://xe-core.googlecode.com/svn/sandbox@5137 201d5d3c-b55e-5fd7-737f-ddc643e51545

modules/member/php-openid-1.2.3/examples/server/lib/session.php

@@ -0,0 +1,205 @@
+<?php
+
+require_once "config.php";
+require_once "lib/render.php";
+require_once "Auth/OpenID/Server.php";
+
+/**
+ * Set up the session
+ */
+function init()
+{
+    session_name('openid_server');
+    session_start();
+}
+
+/**
+ * Get the style markup
+ */
+function getStyle()
+{
+    $parent = rtrim(dirname(getServerURL()), '/');
+    $url = htmlspecialchars($parent . '/openid-server.css', ENT_QUOTES);
+    return sprintf('<link rel="stylesheet" type="text/css" href="%s" />', $url);
+}
+
+/**
+ * Get the URL of the current script
+ */
+function getServerURL()
+{
+    $path = $_SERVER['SCRIPT_NAME'];
+    $host = $_SERVER['HTTP_HOST'];
+    $port = $_SERVER['SERVER_PORT'];
+    $s = $_SERVER['HTTPS'] ? 's' : '';
+    if (($s && $port == "443") || (!$s && $port == "80")) {
+        $p = '';
+    } else {
+        $p = ':' . $port;
+    }
+    
+    return "http$s://$host$p$path";
+}
+
+/**
+ * Build a URL to a server action
+ */
+function buildURL($action=null, $escaped=true)
+{
+    $url = getServerURL();
+    if ($action) {
+        $url .= '/' . $action;
+    }
+    return $escaped ? htmlspecialchars($url, ENT_QUOTES) : $url;
+}
+
+/**
+ * Extract the current action from the request
+ */
+function getAction()
+{
+    $path_info = @$_SERVER['PATH_INFO'];
+    $action = ($path_info) ? substr($path_info, 1) : '';
+    $function_name = 'action_' . $action;
+    return $function_name;
+}
+
+/**
+ * Write the response to the request
+ */
+function writeResponse($resp)
+{
+    list ($headers, $body) = $resp;
+    array_walk($headers, 'header');
+    header(header_connection_close);
+    print $body;
+}
+
+/**
+ * Instantiate a new OpenID server object
+ */
+function getServer()
+{
+    static $server = null;
+    if (!isset($server)) {
+        $server =& new Auth_OpenID_Server(getOpenIDStore());
+    }
+    return $server;
+}
+
+/**
+ * Return whether the trust root is currently trusted
+ */
+function isTrusted($identity_url, $trust_root)
+{
+    // from config.php
+    global $trusted_sites;
+
+    if ($identity_url != getLoggedInUser()) {
+        return false;
+    }
+
+    if (in_array($trust_root, $trusted_sites)) {
+        return true;
+    }
+
+    $sites = getSessionSites();
+    return isset($sites[$trust_root]) && $sites[$trust_root];
+}
+
+/**
+ * Return a hashed form of the user's password
+ */
+function hashPassword($password)
+{
+    return bin2hex(Auth_OpenID_SHA1($password));
+}
+
+/**
+ * Check the user's login information
+ */
+function checkLogin($openid_url, $password)
+{
+    // from config.php
+    global $openid_users;
+    $hash = hashPassword($password);
+
+    return isset($openid_users[$openid_url])
+        && $hash == $openid_users[$openid_url];
+}
+
+/**
+ * Get the openid_url out of the cookie
+ *
+ * @return mixed $openid_url The URL that was stored in the cookie or
+ * false if there is none present or if the cookie is bad.
+ */
+function getLoggedInUser()
+{
+    return isset($_SESSION['openid_url'])
+        ? $_SESSION['openid_url']
+        : false;
+}
+
+/**
+ * Set the openid_url in the cookie
+ *
+ * @param mixed $identity_url The URL to set. If set to null, the
+ * value will be unset.
+ */
+function setLoggedInUser($identity_url=null)
+{
+    if (!isset($identity_url)) {
+        unset($_SESSION['openid_url']);
+    } else {
+        $_SESSION['openid_url'] = $identity_url;
+    }
+}
+
+function setSessionSites($sites=null)
+{
+    if (!isset($sites)) {
+        unset($_SESSION['session_sites']);
+    } else {
+        $_SESSION['session_sites'] = serialize($sites);
+    }
+}
+
+function getSessionSites()
+{
+    return isset($_SESSION['session_sites'])
+        ? unserialize($_SESSION['session_sites'])
+        : false;
+}
+
+function getRequestInfo()
+{
+    return isset($_SESSION['request'])
+        ? unserialize($_SESSION['request'])
+        : false;
+}
+
+function setRequestInfo($info=null)
+{
+    if (!isset($info)) {
+        unset($_SESSION['request']);
+    } else {
+        $_SESSION['request'] = serialize($info);
+    }
+}
+
+
+function getSreg($identity)
+{
+    // from config.php
+    global $openid_sreg;
+
+    if (!is_array($openid_sreg)) {
+        return null;
+    }
+
+    return $openid_sreg[$identity];
+
+}
+
+?>