2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
4 * You can obtain one at http://mozilla.org/MPL/2.0/. */
6 // Called e.g. as /authorize?response_type=code&client_id=testclient&state=f00bar&scope=email&redirect_uri=http%3A%2F%2Ffake.example.com%2F
7 // This either redirects to the redirect URL with errors or success added as GET parameters,
8 // or sends a HTML page asking for login / permission to scope (email is always granted in this system but not always for OAuth2 generically)
9 // or sends errors as a JSON document (hopefully shouldn't but seen that in testing).
11 // Include the common auth system files (including the OAuth2 Server object).
12 require_once(__DIR__.'/authsystem.inc.php');
14 // Start HTML document as a DOM object.
15 extract(ExtendedDocument::initHTML5()); // sets $document, $html, $head, $title, $body
16 $document->formatOutput = true; // we want a nice output
17 $style = $head->appendElement('link');
18 $style->setAttribute('rel', 'stylesheet');
19 $style->setAttribute('href', 'authsystem.css');
20 $head->appendJSFile('authsystem.js');
21 $title->appendText('Authorization Request | KaiRo.at');
22 $h1 = $body->appendElement('h1', 'KaiRo.at Authentication Server');
24 $errors = $utils->checkForSecureConnection();
25 $utils->sendSecurityHeaders();
27 $para = $body->appendElement('p', _('This login system does not work without JavaScript. Please activate JavaScript for this site to log in.'));
28 $para->setAttribute('id', 'jswarning');
29 $para->setAttribute('class', 'warn');
31 if (!count($errors)) {
32 $session = $utils->initSession(); // Read session or create new session and set cookie.
33 if ($session['logged_in'] && (@$_GET['logout'] == 1)) {
34 $result = $db->prepare('UPDATE `auth_sessions` SET `logged_in` = FALSE WHERE `id` = :sessid;');
35 if (!$result->execute(array(':sessid' => $session['id']))) {
36 $utils->log('logout_failure', 'session: '.$session['id']);
37 $errors[] = _('Unexpected error while logging out.');
39 $session['logged_in'] = 0;
41 if (intval($session['user'])) {
42 $result = $db->prepare('SELECT `id`,`email`,`verify_hash`,`group_id` FROM `auth_users` WHERE `id` = :userid;');
43 $result->execute(array(':userid' => $session['user']));
44 $user = $result->fetch(PDO::FETCH_ASSOC);
46 $utils->log('user_read_failure', 'user: '.$session['user']);
50 $user = array('id' => 0, 'email' => '');
52 if (is_null($session)) {
53 $errors[] = _('The session system is not working. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
55 elseif ($session['logged_in']) {
56 // We are logged in, process authorization request.
57 $request = OAuth2\Request::createFromGlobals();
58 $response = new OAuth2\Response();
60 // Validate the authorize request.
61 if (!$server->validateAuthorizeRequest($request, $response)) {
66 if (empty($_POST) && (@$request->query['scope'] != 'email')) {
67 // Display an authorization form (unless the scope is email, which we handle as a login request below).
68 $para = $body->appendElement('p', sprintf(_('Hi %s!'), $user['email']));
69 $para->setAttribute('class', 'userwelcome');
71 $form = $body->appendForm('', 'POST', 'authform');
72 $form->setAttribute('id', 'authform');
73 $form->appendElement('p', sprintf(_('Do you authorize %s to access %s?'), $request->query['client_id'], $request->query['scope']));
74 $submit = $form->appendInputSubmit(_('yes'));
75 $submit->setAttribute('name', 'authorized');
76 $form->appendText(' ');
77 $submit = $form->appendInputSubmit(_('no'));
78 $submit->setAttribute('name', 'authorized');
80 elseif (empty($_POST) && (@$request->query['scope'] == 'email')) {
81 // Display an interstitial page for a login when we have email scope (verified email for logging in).
82 $para = $body->appendElement('p', sprintf(_('Sign in to %s using…'), $request->query['client_id'])); // XXX: put domain name from redirect URI on there instead
83 $para->setAttribute('class', 'signinwelcome');
84 $form = $body->appendForm('', 'POST', 'loginauthform');
85 $form->setAttribute('id', 'loginauthform');
86 $form->setAttribute('class', 'loginarea');
87 $ulist = $form->appendElement('ul');
88 $ulist->setAttribute('class', 'flat emaillist');
89 $emails = $utils->getGroupedEmails($user['group_id']);
90 if (!count($emails)) { $emails = array($user['email']); }
91 foreach ($emails as $email) {
92 $litem = $ulist->appendElement('li');
93 $litem->appendInputRadio('user_email', 'uemail_'.md5($email), $email, $email == $user['email']);
94 $litem->appendLabel('uemail_'.md5($email), $email);
96 $para = $form->appendElement('p');
97 $para->setAttribute('class', 'small otheremaillinks');
98 $link = $para->appendLink('#', _('Add another email address'));
99 $link->setAttribute('id', 'addanotheremail'); // Makes the JS put the right functionality onto the link.
100 $para->appendText(' ');
101 $link = $para->appendLink('#', _('This is not me'));
102 $link->setAttribute('id', 'isnotme'); // Makes the JS put the right functionality onto the link.
103 $authinput = $form->appendInputHidden('authorized', 'yes');
104 $authinput->setAttribute('id', 'isauthorized');
105 $submit = $form->appendInputSubmit(_('Sign in'));
106 $para = $form->appendElement('p');
107 $para->setAttribute('class', 'small');
108 $link = $para->appendLink('#', _('Cancel'));
109 $link->setAttribute('id', 'cancelauth'); // Makes the JS put the right functionality onto the link.
110 $utils->setRedirect($session, $_SERVER['REQUEST_URI']);
113 // Switch to different user if we selected a different email within the group.
114 if (strlen(@$_POST['user_email']) && ($_POST['user_email'] != $user['email'])) {
115 $result = $db->prepare('SELECT `id`, `pwdhash`, `email`, `status`, `verify_hash`,`group_id` FROM `auth_users` WHERE `group_id` = :groupid AND `email` = :email;');
116 $result->execute(array(':groupid' => $user['group_id'], ':email' => $_POST['user_email']));
117 $newuser = $result->fetch(PDO::FETCH_ASSOC);
120 $session = $utils->getLoginSession($user['id'], $session);
123 // Handle authorize request, forwarding code in GET parameters if the user has authorized your client.
124 $is_authorized = (@$_POST['authorized'] === 'yes');
125 $server->handleAuthorizeRequest($request, $response, $is_authorized, $user['id']);
127 if ($is_authorized) {
128 // this is only here so that you get to see your code in the cURL request. Otherwise, we'd redirect back to the client
129 $code = substr($response->getHttpHeader('Location'), strpos($response->getHttpHeader('Location'), 'code=')+5, 40);
130 exit("SUCCESS! Authorization Code: $code");
133 $utils->resetRedirect($session);
139 // Display login/register form.
140 $para = $body->appendElement('p', _('You need to log in or register to continue.'));
141 $para->setAttribute('class', 'logininfo');
142 $utils->appendLoginForm($body, $session, $user);
143 $utils->setRedirect($session, str_replace('&logout=1', '', $_SERVER['REQUEST_URI'])); // Make sure to strip a logout to not get into a loop.
147 if (count($errors)) {
148 $body->appendElement('p', ((count($errors) <= 1)
149 ?_('The following error was detected')
150 :_('The following errors were detected')).':');
151 $list = $body->appendElement('ul');
152 $list->setAttribute('class', 'flat warn');
153 foreach ($errors as $msg) {
154 $item = $list->appendElement('li', $msg);
156 $body->appendButton(_('Back'), 'history.back();');
159 // Send HTML to client.
160 print($document->saveHTML());