1 files changed, 140 insertions, 0 deletions
diff --git a/mod/openid_server/lib/session.php b/mod/openid_server/lib/session.php
new file mode 100755
index 000000000..ccd1e8f4c
--- /dev/null
+++ b/mod/openid_server/lib/session.php
@@ -0,0 +1,140 @@
+<?php
+
+//require_once(dirname(dirname(__FILE__)).'/config.php'); 
+//require_once "render.php";
+
+require_once "Auth/OpenID/Server.php";
+
+// require_once('elgg/includes.php');
+
+/**
+ * Set up the session
+ */
+// get information from Elgg if logged in
+// KJ - this should not be necessary as it can always be generated from the user name
+function init()
+{
+	global $CFG;
+
+	if (elgg_is_logged_in()) {
+		setLoggedInUser(normaliseUsername($_SESSION['user']->username));
+	} else {
+		setLoggedInUser(null);
+	}
+}
+
+
+/**
+ * Get the URL of the current script
+ */
+function getServerURL()
+{
+    global $CONFIG;
+    
+    return $CONFIG->wwwroot.'mod/openid_server/server.php';
+}
+
+/**
+ * Build a URL to a server action
+ */
+function buildURL($action=null, $escaped=true)
+{
+    $url = getServerURL();
+    if ($action) {
+        $url .= '/' . $action;
+    }
+    return $escaped ? htmlspecialchars($url, ENT_QUOTES) : $url;
+}
+
+/**
+ * Extract the current action from the request
+ * KJ - this should be replaced by Elgg 1 action system
+ */
+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()
+{
+    global $CONFIG;
+    static $server;
+    $op_endpoint = getServerURL();
+    if (!isset($server)) {
+        $server =& new Auth_OpenID_Server(getOpenIDServerStore(),$op_endpoint);
+    }
+    return $server;
+}
+
+/**
+ * Return whether the trust root is currently trusted
+ *
+ */
+function isTrusted($identity_url, $trust_root, $return_to)
+{
+	global $store;
+	
+    if ($identity_url != getLoggedInUser()) {
+        return false;
+    }
+    
+    $sites = $store->getTrustedSites($identity_url);
+    
+    if (empty($sites)) {
+	    return false;
+    } else {
+		return in_array($trust_root, $sites) && fnmatch($trust_root.'*',$return_to);
+	}
+}
+
+
+/**
+ * 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()
+{
+    global $CONFIG;
+    if (elgg_is_logged_in()) {
+        return $CONFIG->wwwroot.'profile/'.$_SESSION['user']->username;
+    } else {
+        return '';
+    }    
+}
+
+function getRequestInfo()
+{
+    return isset($_SESSION['openid_server_request'])
+        ? unserialize($_SESSION['openid_server_request'])
+        : false;
+}
+
+function setRequestInfo($info=null)
+{
+    if (!isset($info)) {
+        unset($_SESSION['openid_server_request']);
+    } else {
+        $_SESSION['openid_server_request'] = serialize($info);
+    }
+}
+
+?>