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e6624d81 RK |
1 | <?php |
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/. */ | |
5 | ||
77f0f9ff RK |
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) | |
ea0452ad | 9 | // or sends errors as a JSON document (hopefully shouldn't but seen that in testing). |
e6624d81 | 10 | |
133aecbe RK |
11 | // Include the common auth system files (including the OAuth2 Server object). |
12 | require_once(__DIR__.'/authsystem.inc.php'); | |
e6624d81 | 13 | |
b680cefd RK |
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'); | |
409b55f4 RK |
21 | $title->appendText('Authorization Request | KaiRo.at'); |
22 | $h1 = $body->appendElement('h1', 'KaiRo.at Authentication Server'); | |
b680cefd | 23 | |
77f0f9ff | 24 | $errors = $utils->checkForSecureConnection(); |
b0e48c35 | 25 | $utils->sendSecurityHeaders(); |
77f0f9ff | 26 | |
409b55f4 RK |
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 | $para->setAttribute('class', 'warn'); | |
30 | ||
b680cefd RK |
31 | if (!count($errors)) { |
32 | $session = $utils->initSession(); // Read session or create new session and set cookie. | |
b217e836 RK |
33 | if ($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.'); | |
38 | } | |
39 | $session['logged_in'] = 0; | |
40 | } | |
409b55f4 | 41 | if (intval($session['user'])) { |
60e46184 | 42 | $result = $db->prepare('SELECT `id`,`email`,`verify_hash`,`group_id` FROM `auth_users` WHERE `id` = :userid;'); |
409b55f4 RK |
43 | $result->execute(array(':userid' => $session['user'])); |
44 | $user = $result->fetch(PDO::FETCH_ASSOC); | |
45 | if (!$user['id']) { | |
46 | $utils->log('user_read_failure', 'user: '.$session['user']); | |
47 | } | |
48 | } | |
49 | else { | |
50 | $user = array('id' => 0, 'email' => ''); | |
51 | } | |
b680cefd RK |
52 | if (is_null($session)) { |
53 | $errors[] = _('The session system is not working. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.'); | |
54 | } | |
55 | elseif ($session['logged_in']) { | |
56 | // We are logged in, process authorization request. | |
57 | $request = OAuth2\Request::createFromGlobals(); | |
58 | $response = new OAuth2\Response(); | |
e6624d81 | 59 | |
b680cefd RK |
60 | // Validate the authorize request. |
61 | if (!$server->validateAuthorizeRequest($request, $response)) { | |
62 | $response->send(); | |
63 | exit(); | |
64 | } | |
77f0f9ff | 65 | |
3ae47861 | 66 | if (empty($_POST) && (@$request->query['scope'] != 'email')) { |
b217e836 | 67 | // Display an authorization form (unless the scope is email, which we handle as a login request below). |
b680cefd RK |
68 | $para = $body->appendElement('p', sprintf(_('Hi %s!'), $user['email'])); |
69 | $para->setAttribute('class', 'userwelcome'); | |
70 | ||
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 | $submit->setAttribute('name', 'authorized'); | |
79 | } | |
b217e836 RK |
80 | elseif (empty($_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'); | |
60e46184 RK |
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); | |
95 | } | |
b217e836 RK |
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. | |
60e46184 | 110 | $utils->setRedirect($session, $_SERVER['REQUEST_URI']); |
b217e836 | 111 | } |
b680cefd | 112 | else { |
60e46184 RK |
113 | // Switch to different user if we selected a different email within the group. |
114 | if (strlen(@$_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 = $result->fetch(PDO::FETCH_ASSOC); | |
118 | if ($newuser) { | |
119 | $user = $newuser; | |
120 | $session = $utils->getLoginSession($user['id'], $session); | |
121 | } | |
122 | } | |
b680cefd | 123 | // Handle authorize request, forwarding code in GET parameters if the user has authorized your client. |
b217e836 | 124 | $is_authorized = (@$_POST['authorized'] === 'yes'); |
ea0452ad | 125 | $server->handleAuthorizeRequest($request, $response, $is_authorized, $user['id']); |
b680cefd RK |
126 | /* For testing only |
127 | if ($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"); | |
131 | } | |
132 | */ | |
60e46184 | 133 | $utils->resetRedirect($session); |
b680cefd RK |
134 | $response->send(); |
135 | exit(); | |
136 | } | |
137 | } | |
138 | else { | |
139 | // Display login/register form. | |
140 | $para = $body->appendElement('p', _('You need to log in or register to continue.')); | |
141 | $para->setAttribute('class', 'logininfo'); | |
409b55f4 | 142 | $utils->appendLoginForm($body, $session, $user); |
60e46184 | 143 | $utils->setRedirect($session, str_replace('&logout=1', '', $_SERVER['REQUEST_URI'])); // Make sure to strip a logout to not get into a loop. |
b680cefd | 144 | } |
e6624d81 RK |
145 | } |
146 | ||
b680cefd RK |
147 | if (count($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); | |
155 | } | |
156 | $body->appendButton(_('Back'), 'history.back();'); | |
e6624d81 | 157 | } |
b680cefd RK |
158 | |
159 | // Send HTML to client. | |
160 | print($document->saveHTML()); | |
e6624d81 | 161 | ?> |