check session and login in authorize request

diff --git a/authorize.php b/authorize.php
index 68e3b94e08ed401242e64d5199d972050158eba5..45f0b032e07d2fc2bbe0f7865be485dadba03916 100644 (file)
--- a/authorize.php
+++ b/authorize.php
@@ -11,55 +11,89 @@
 // Include the common auth system files (including the OAuth2 Server object).
 require_once(__DIR__.'/authsystem.inc.php');
 
+// Start HTML document as a DOM object.
+extract(ExtendedDocument::initHTML5()); // sets $document, $html, $head, $title, $body
+$document->formatOutput = true; // we want a nice output
+$style = $head->appendElement('link');
+$style->setAttribute('rel', 'stylesheet');
+$style->setAttribute('href', 'authsystem.css');
+$head->appendJSFile('authsystem.js');
+
 $errors = $utils->checkForSecureConnection();
 
-$request = OAuth2\Request::createFromGlobals();
-$response = new OAuth2\Response();
+if (!count($errors)) {
+  $session = $utils->initSession(); // Read session or create new session and set cookie.
+  $user = array('id' => 0, 'email' => '');
+  $pagetype = 'default';
+  if (is_null($session)) {
+    $errors[] = _('The session system is not working. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
+  }
+  elseif ($session['logged_in']) {
+    // We are logged in, process authorization request.
+    $request = OAuth2\Request::createFromGlobals();
+    $response = new OAuth2\Response();
 
-// Validate the authorize request.
-if (!$server->validateAuthorizeRequest($request, $response)) {
-  $response->send();
-  exit();
-}
+    // Validate the authorize request.
+    if (!$server->validateAuthorizeRequest($request, $response)) {
+      $response->send();
+      exit();
+    }
 
-// Display an authorization form.
-if (empty($_POST)) {
-  // Start HTML document as a DOM object.
-  extract(ExtendedDocument::initHTML5()); // sets $document, $html, $head, $title, $body
-  $document->formatOutput = true; // we want a nice output
-  $style = $head->appendElement('link');
-  $style->setAttribute('rel', 'stylesheet');
-  $style->setAttribute('href', 'authsystem.css');
-  $head->appendJSFile('authsystem.js');
-  $title->appendText('Authorization Request | KaiRo.at');
-  $h1 = $body->appendElement('h1', 'KaiRo.at Authentication Server');
+    // Display an authorization form.
+    if (empty($_POST)) {
+      $title->appendText('Authorization Request | KaiRo.at');
+      $h1 = $body->appendElement('h1', 'KaiRo.at Authentication Server');
 
-  $para = $body->appendElement('p', _('This login system does not work without JavaScript. Please activate JavaScript for this site to log in.'));
-  $para->setAttribute('id', 'jswarning');
-  $para->setAttribute('class', 'warn');
+      $para = $body->appendElement('p', _('This login system does not work without JavaScript. Please activate JavaScript for this site to log in.'));
+      $para->setAttribute('id', 'jswarning');
+      $para->setAttribute('class', 'warn');
 
-  $form = $body->appendForm('', 'POST', 'authform');
-  $form->setAttribute('id', 'authform');
-  $form->appendElement('p', sprintf(_('Do you authorize %s to access %s?'), $request->query['client_id'], $request->query['scope']));
-  $submit = $form->appendInputSubmit(_('yes'));
-  $submit->setAttribute('name', 'authorized');
-  $form->appendText(' ');
-  $submit = $form->appendInputSubmit(_('no'));
-  $submit->setAttribute('name', 'authorized');
-  // Send HTML to client.
-  print($document->saveHTML());
-  exit();
+      $para = $body->appendElement('p', sprintf(_('Hi %s!'), $user['email']));
+      $para->setAttribute('class', 'userwelcome');
+
+      $form = $body->appendForm('', 'POST', 'authform');
+      $form->setAttribute('id', 'authform');
+      $form->appendElement('p', sprintf(_('Do you authorize %s to access %s?'), $request->query['client_id'], $request->query['scope']));
+      $submit = $form->appendInputSubmit(_('yes'));
+      $submit->setAttribute('name', 'authorized');
+      $form->appendText(' ');
+      $submit = $form->appendInputSubmit(_('no'));
+      $submit->setAttribute('name', 'authorized');
+    }
+    else {
+      // Handle authorize request, forwarding code in GET parameters if the user has authorized your client.
+      $is_authorized = ($_POST['authorized'] === 'yes');
+      $server->handleAuthorizeRequest($request, $response, $is_authorized);
+      /* For testing only
+      if ($is_authorized) {
+        // this is only here so that you get to see your code in the cURL request. Otherwise, we'd redirect back to the client
+        $code = substr($response->getHttpHeader('Location'), strpos($response->getHttpHeader('Location'), 'code=')+5, 40);
+        exit("SUCCESS! Authorization Code: $code");
+      }
+      */
+      $response->send();
+      exit();
+    }
+  }
+  else {
+    // Display login/register form.
+    $para = $body->appendElement('p', _('You need to log in or register to continue.'));
+    $para->setAttribute('class', 'logininfo');
+  }
 }
 
-// Handle authorize request, forwarding code in GET parameters if the user has authorized your client.
-$is_authorized = ($_POST['authorized'] === 'yes');
-$server->handleAuthorizeRequest($request, $response, $is_authorized);
-/* For testing only
-if ($is_authorized) {
-  // this is only here so that you get to see your code in the cURL request. Otherwise, we'd redirect back to the client
-  $code = substr($response->getHttpHeader('Location'), strpos($response->getHttpHeader('Location'), 'code=')+5, 40);
-  exit("SUCCESS! Authorization Code: $code");
+if (count($errors)) {
+  $body->appendElement('p', ((count($errors) <= 1)
+                            ?_('The following error was detected')
+                            :_('The following errors were detected')).':');
+  $list = $body->appendElement('ul');
+  $list->setAttribute('class', 'flat warn');
+  foreach ($errors as $msg) {
+    $item = $list->appendElement('li', $msg);
+  }
+  $body->appendButton(_('Back'), 'history.back();');
 }
-*/
-$response->send();
+
+// Send HTML to client.
+print($document->saveHTML());
 ?>