forked from GNUsocial/gnu-social
164 lines
3.8 KiB
PHP
164 lines
3.8 KiB
PHP
<?php
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require_once "lib/common.php";
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require_once "lib/session.php";
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require_once "lib/render.php";
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require_once "lib/render/login.php";
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require_once "lib/render/idpage.php";
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require_once "lib/render/idpXrds.php";
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require_once "lib/render/userXrds.php";
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require_once "Auth/OpenID.php";
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/**
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* Handle a standard OpenID server request
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*/
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function action_default()
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{
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header('X-XRDS-Location: '.buildURL('idpXrds'));
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$server = getServer();
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$method = $_SERVER['REQUEST_METHOD'];
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$request = null;
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if ($method == 'GET') {
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$request = $_GET;
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} else {
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$request = $_POST;
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}
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$request = $server->decodeRequest();
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if (!$request) {
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return about_render();
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}
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setRequestInfo($request);
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if (in_array($request->mode,
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array('checkid_immediate', 'checkid_setup'))) {
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if ($request->idSelect()) {
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// Perform IDP-driven identifier selection
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if ($request->mode == 'checkid_immediate') {
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$response = $request->answer(false);
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} else {
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return trust_render($request);
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}
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} else if ((!$request->identity) &&
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(!$request->idSelect())) {
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// No identifier used or desired; display a page saying
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// so.
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return noIdentifier_render();
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} else if ($request->immediate) {
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$response = $request->answer(false, buildURL());
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} else {
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if (!getLoggedInUser()) {
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return login_render();
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}
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return trust_render($request);
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}
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} else {
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$response = $server->handleRequest($request);
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}
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$webresponse = $server->encodeResponse($response);
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if ($webresponse->code != AUTH_OPENID_HTTP_OK) {
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header(sprintf("HTTP/1.1 %d ", $webresponse->code),
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true, $webresponse->code);
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}
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foreach ($webresponse->headers as $k => $v) {
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header("$k: $v");
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}
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header(header_connection_close);
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print $webresponse->body;
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exit(0);
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}
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/**
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* Log out the currently logged in user
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*/
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function action_logout()
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{
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setLoggedInUser(null);
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setRequestInfo(null);
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return authCancel(null);
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}
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/**
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* Check the input values for a login request
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*/
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function login_checkInput($input)
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{
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$openid_url = false;
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$errors = array();
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if (!isset($input['openid_url'])) {
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$errors[] = 'Enter an OpenID URL to continue';
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}
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if (count($errors) == 0) {
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$openid_url = $input['openid_url'];
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}
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return array($errors, $openid_url);
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}
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/**
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* Log in a user and potentially continue the requested identity approval
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*/
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function action_login()
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{
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$method = $_SERVER['REQUEST_METHOD'];
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switch ($method) {
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case 'GET':
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return login_render();
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case 'POST':
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$info = getRequestInfo();
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$fields = $_POST;
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if (isset($fields['cancel'])) {
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return authCancel($info);
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}
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list ($errors, $openid_url) = login_checkInput($fields);
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if (count($errors) || !$openid_url) {
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$needed = $info ? $info->identity : false;
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return login_render($errors, @$fields['openid_url'], $needed);
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} else {
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setLoggedInUser($openid_url);
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return doAuth($info);
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}
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default:
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return login_render(array('Unsupported HTTP method: $method'));
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}
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}
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/**
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* Ask the user whether he wants to trust this site
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*/
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function action_trust()
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{
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$info = getRequestInfo();
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$trusted = isset($_POST['trust']);
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return doAuth($info, $trusted, true, @$_POST['idSelect']);
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}
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function action_idpage()
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{
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$identity = $_GET['user'];
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return idpage_render($identity);
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}
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function action_idpXrds()
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{
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return idpXrds_render();
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}
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function action_userXrds()
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{
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$identity = $_GET['user'];
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return userXrds_render($identity);
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}
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?>
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