Initial Commit

2 files changed, 97 insertions, 0 deletions

diff --git a/shib/api.php b/shib/api.php
new file mode 100644
index 0000000..0c2a297
--- /dev/null
+++ b/shib/api.php
@@ -0,0 +1,96 @@
+<?php
+
+chdir('..');
+
+require_once 'config.php';
+
+/*
+Header('Content-Type: text/plain; charset=utf-8');
+die( json_encode($_SERVER, JSON_PRETTY_PRINT) );
+
+// */
+
+// Autoload classes from ./inc which adhere to naming scheme <lowercasename>.inc.php
+function slxAutoloader($class)
+{
+	$file = 'inc/' . preg_replace('/[^a-z0-9]/', '', mb_strtolower($class)) . '.inc.php';
+	if (!file_exists($file))
+		return;
+	require_once $file;
+}
+spl_autoload_register('slxAutoloader');
+
+
+$response = array();
+
+if (empty($_SERVER['persistent-id'])) {
+	// No persistent id given, should not happen!
+	$response['status'] = 'error';
+	$response['error'] = 'Shibboleth meta data missing!';
+} else {
+	// Query database for user
+	$shibId = md5($_SERVER['persistent-id']);
+	$user = Database::queryFirst("SELECT user.userid, user.login, user.organizationid, user.firstname, user.lastname, user.email, satellite.address "
+		. " FROM user "
+		. " INNER JOIN satellite USING (organizationid) "
+		. " WHERE user.shibid = :shibid LIMIT 1", array('shibid' => $shibId));
+	if ($user === false) {
+		// Not found, so we don't know which satellite to use
+		$response['status'] = 'unregistered';
+		$response['id'] = $shibId;
+		$response['url'] = 'https://bwlp-masterserver.ruf.uni-freiburg.de/secure-all/';
+	} else {
+		// Found, see if we got personal information, either temporarily through metadata, or from database
+		$firstName = $user['firstname'];
+		$lastName = $user['lastname'];
+		$mail = $user['email'];
+		if (empty($firstName) && isset($_SERVER['givenName']))
+			$firstName = trim($_SERVER['givenName']);
+		if (empty($lastName) && isset($_SERVER['sn']))
+			$lastName = trim($_SERVER['sn']);
+		if (empty($mail) && isset($_SERVER['mail']))
+			$mail = trim($_SERVER['mail']);
+		//
+		$login = ( empty($user['login']) ? $shibId : $user['login'] );
+		if (empty($firstName) || empty($lastName) || empty($login)) {
+			// This means the user did not provide personal information on signup, nor does the IdP send them
+			$response['status'] = 'anonymous';
+		} else {
+			// Seems ok!
+			// Figure out role
+			if (strpos(";{$_SERVER['entitlement']};", ';http://bwidm.de/entitlement/bwLehrpool;') !== false) {
+				$role = 'tutor';
+			} else if (strpos(";{$_SERVER['affiliation']};", ';employee@') !== false) {
+				$role = 'tutor';
+			} else {
+				$role = 'student';
+			}
+			//
+			$response['status'] = 'ok';
+			$response['firstName'] = $firstName;
+			$response['lastName'] = $lastName;
+			$response['mail'] = $mail;
+			// This one we send to the running master server handler
+			$rpc = $response;
+			$rpc['userId'] = $user['userid'];
+			$rpc['role'] = $role;
+			$rpc['organizationid'] = $user['organizationid'];
+			$rpc['login'] = $login;
+			// This one we only send to the user
+			$response['satellites'] = array(
+				'default' => $user['address']
+			);
+			$reply = RPC::submit($rpc);
+			if (preg_match('/^TOKEN:(\w+) SESSIONID:(\w+)$/', $reply, $out)) {
+				$response['token'] = $out[1];
+				$response['sessionId'] = $out[2];
+			} else {
+				$response['error'] = $reply;
+				$response['status'] = 'error';
+			}
+		}
+	}
+}
+
+Header('Content-Type: text/plain; charset=utf-8');
+echo json_encode($response, JSON_PRETTY_PRINT);
diff --git a/shib/index.php b/shib/index.php
new file mode 120000
index 0000000..9871e22
--- /dev/null
+++ b/shib/index.php
@@ -0,0 +1 @@
+../index.php
\ No newline at end of file