forked from GNUsocial/gnu-social
86 lines
2.6 KiB
PHP
86 lines
2.6 KiB
PHP
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<?php
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require_once "common.php";
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session_start();
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function getOpenIDURL() {
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// Render a default page if we got a submission without an openid
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// value.
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if (empty($_GET['openid_identifier'])) {
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$error = "Expected an OpenID URL.";
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include 'index.php';
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exit(0);
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}
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return $_GET['openid_identifier'];
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}
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function run() {
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$openid = getOpenIDURL();
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$consumer = getConsumer();
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// Begin the OpenID authentication process.
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$auth_request = $consumer->begin($openid);
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// No auth request means we can't begin OpenID.
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if (!$auth_request) {
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displayError("Authentication error; not a valid OpenID.");
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}
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$sreg_request = Auth_OpenID_SRegRequest::build(
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// Required
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array('nickname'),
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// Optional
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array('fullname', 'email'));
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if ($sreg_request) {
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$auth_request->addExtension($sreg_request);
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}
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$policy_uris = null;
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if (isset($_GET['policies'])) {
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$policy_uris = $_GET['policies'];
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}
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$pape_request = new Auth_OpenID_PAPE_Request($policy_uris);
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if ($pape_request) {
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$auth_request->addExtension($pape_request);
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}
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// Redirect the user to the OpenID server for authentication.
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// Store the token for this authentication so we can verify the
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// response.
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// For OpenID 1, send a redirect. For OpenID 2, use a Javascript
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// form to send a POST request to the server.
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if ($auth_request->shouldSendRedirect()) {
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$redirect_url = $auth_request->redirectURL(getTrustRoot(),
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getReturnTo());
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// If the redirect URL can't be built, display an error
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// message.
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if (Auth_OpenID::isFailure($redirect_url)) {
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displayError("Could not redirect to server: " . $redirect_url->message);
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} else {
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// Send redirect.
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header("Location: ".$redirect_url);
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}
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} else {
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// Generate form markup and render it.
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$form_id = 'openid_message';
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$form_html = $auth_request->htmlMarkup(getTrustRoot(), getReturnTo(),
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false, array('id' => $form_id));
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// Display an error if the form markup couldn't be generated;
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// otherwise, render the HTML.
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if (Auth_OpenID::isFailure($form_html)) {
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displayError("Could not redirect to server: " . $form_html->message);
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} else {
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print $form_html;
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}
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}
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}
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run();
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?>
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