From 23c0b1f48241e198a631f333a3d6e5faedab0279 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@prodromou.name>
Date: Wed, 18 Jun 2008 09:32:51 -0400
Subject: move openid authentication to a common function

darcs-hash:20080618133251-84dde-40c6326cb27ac20e52ef456a3f05e111c6fae97c.gz
---
 lib/openid.php | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)

(limited to 'lib')

diff --git a/lib/openid.php b/lib/openid.php
index c41b3424c..c28041554 100644
--- a/lib/openid.php
+++ b/lib/openid.php
@@ -59,3 +59,82 @@ function oid_link_user($id, $canonical, $display) {
 	
 	return true;
 }
+
+function oid_authenticate($openid_url, $returnto) {
+		
+		$consumer = oid_consumer();
+
+		if (!$consumer) {
+			common_server_error(_t('Cannot instantiate OpenID consumer object.'));
+			return false;
+		}
+
+		common_ensure_session();
+
+		$auth_request = $consumer->begin($openid_url);
+
+		// Handle failure status return values.
+		if (!$auth_request) {
+			return _t('Not a valid OpenID.');
+		} else if (Auth_OpenID::isFailure($auth_request)) {
+			return _t('OpenID failure: ') . $auth_request->message;
+		}
+
+		$sreg_request = Auth_OpenID_SRegRequest::build(// Required
+													   array(),
+													   // Optional
+													   array('nickname',
+															 'email',
+															 'fullname',
+															 'language',
+															 'timezone',
+															 'postcode',
+															 'country'));
+
+		if ($sreg_request) {
+			$auth_request->addExtension($sreg_request);
+		}
+
+		$trust_root = common_root_url();
+		$process_url = common_local_url($returnto);
+
+		if ($auth_request->shouldSendRedirect()) {
+			$redirect_url = $auth_request->redirectURL($trust_root,
+													   $process_url);
+			if (!$redirect_url) {
+			} else if (Auth_OpenID::isFailure($redirect_url)) {
+				return _t('Could not redirect to server: ') . $redirect_url->message;
+			} else {
+				common_redirect($redirect_url);
+			}
+		} else {
+			// Generate form markup and render it.
+			$form_id = 'openid_message';
+			$form_html = $auth_request->formMarkup($trust_root, $process_url,
+												   false, array('id' => $form_id));
+			
+			# XXX: This is cheap, but things choke if we don't escape ampersands
+			# in the HTML attributes
+			
+			$form_html = preg_replace('/&/', '&amp;', $form_html);
+			
+			// Display an error if the form markup couldn't be generated;
+			// otherwise, render the HTML.
+			if (Auth_OpenID::isFailure($form_html)) {
+				$this->show_form(_t('Could not create OpenID form: ') . $form_html->message);
+			} else {
+				common_show_header(_t('OpenID Auto-Submit'));
+				common_element('p', 'instructions',
+							   _t('This form should automatically submit itself. '.
+								  'If not, click the submit button to go to your '.
+								  'OpenID provider.'));
+				common_raw($form_html);
+				common_element('script', NULL,
+							   '$(document).ready(function() { ' .
+							   '    $("#'. $form_id .'").submit(); '.
+							   '});');
+				common_show_footer();
+			}
+		}
+	}
+}
\ No newline at end of file
-- 
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