1 | <?php |
||
2 | |||
3 | // Copyright (C) 2014-2023 Universitätsbibliothek Mannheim |
||
4 | // See file LICENSE for license details. |
||
5 | |||
6 | // This file implements user authorization. |
||
7 | |||
8 | // PalMA installation can authorize users by a PIN, by a |
||
9 | // user name and by a password. |
||
10 | |||
11 | // The PIN is a four digit random number which is changed for |
||
12 | // every new session. |
||
13 | |||
14 | // Authorization with a user name and a password requires code |
||
15 | // which implements the authorization mechanism (for example |
||
16 | // proxy based authorization, LDAP, Shibboleth, fixed password). |
||
17 | // Password authorization can optionally be disabled. |
||
18 | |||
19 | require_once 'globals.php'; |
||
20 | debug('login.php: begin'); |
||
21 | |||
22 | require_once 'i12n.php'; |
||
23 | require_once 'DBConnector.class.php'; |
||
24 | |||
25 | $dbcon = palma\DBConnector::getInstance(); |
||
26 | |||
27 | $errtext = false; |
||
28 | |||
29 | $username = ''; |
||
30 | $pin = ''; |
||
31 | $posted_pin = ''; |
||
32 | if (isset($_REQUEST['pin'])) { |
||
33 | $posted_pin = escapeshellcmd($_REQUEST['pin']); |
||
34 | } |
||
35 | |||
36 | monitor("login.php: page loaded"); |
||
37 | if ($_SERVER['REQUEST_METHOD'] == 'POST') { |
||
38 | session_start(); |
||
39 | $username = escapeshellcmd($_POST['username']); |
||
40 | $password = ''; |
||
41 | if (CONFIG_PASSWORD) { |
||
42 | // The password must not be escaped. |
||
43 | $password = $_POST['userpassword']; |
||
44 | } |
||
45 | if (CONFIG_PIN) { |
||
46 | $posted_pin = escapeshellcmd($_POST['pin']); |
||
47 | $pin = $dbcon->querySingle("SELECT value FROM setting WHERE key = 'pin'"); |
||
48 | } |
||
49 | |||
50 | if (CONFIG_PASSWORD && !checkCredentials($username, $password)) { |
||
51 | monitor("login.php: access denied for user '$username'"); |
||
52 | // Invalid username or password. |
||
53 | } elseif (CONFIG_PIN && ($pin != $posted_pin)) { |
||
54 | monitor("login.php: access denied for user '$username': invalid pin"); |
||
55 | debug("login.php: access denied for user '$username', wrong pin $posted_pin"); |
||
56 | $errtext = addslashes(__('Invalid PIN.')); |
||
0 ignored issues
–
show
Bug
introduced
by
![]() |
|||
57 | } else { |
||
58 | // Successfully checked username, password and PIN. |
||
59 | monitor("login.php: access granted for user '$username'"); |
||
60 | debug("login.php: access granted for user '$username'"); |
||
61 | $_SESSION['username'] = $username; |
||
62 | $_SESSION['address'] = $dbcon->ipAddress(); |
||
63 | $_SESSION['pin'] = $pin; |
||
64 | $_SESSION['starturl'] = CONFIG_START_URL; |
||
65 | $_SESSION['monitor'] = CONFIG_STATIONNAME; |
||
66 | $dbcon->addUser($username, $dbcon->ipAddress(), getDevice()); |
||
67 | |||
68 | // Weiterleitung zur geschützten Startseite |
||
69 | if ($_SERVER['SERVER_PROTOCOL'] == 'HTTP/1.1') { |
||
70 | if (php_sapi_name() == 'cgi') { |
||
71 | header('Status: 303 See Other'); |
||
72 | } else { |
||
73 | header('HTTP/1.1 303 See Other'); |
||
74 | } |
||
75 | } |
||
76 | debug('login.php: ' . CONFIG_START_URL); |
||
77 | header('Location: ' . CONFIG_START_URL); |
||
78 | exit; |
||
79 | } |
||
80 | } |
||
81 | ?> |
||
82 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" |
||
83 | "http://www.w3.org/TR/html4/strict.dtd"> |
||
84 | |||
85 | <html lang="de"> |
||
86 | |||
87 | <head> |
||
88 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
||
89 | <meta http-equiv="X-UA-Compatible" content="IE=edge"> |
||
90 | <meta name="viewport" content="width=device-width, initial-scale=1"> |
||
91 | <title><?=addslashes(__("PalMA – Login"))?></title> |
||
92 | |||
93 | <link rel="icon" href="theme/<?=CONFIG_THEME?>/favicon.ico" type="image/x-icon"> |
||
94 | <link rel="stylesheet" href="font-awesome/css/font-awesome.min.css"> |
||
95 | <link rel="stylesheet" href="pure-min.css"> |
||
96 | <link rel="stylesheet" href="palma.css"> |
||
97 | |||
98 | </head> |
||
99 | |||
100 | <!-- |
||
101 | |||
102 | Copyright (C) 2014 Stefan Weil, Universitätsbibliothek Mannheim |
||
103 | |||
104 | TODO: |
||
105 | * Use 'placeholder' attribute for input fields. |
||
106 | |||
107 | --> |
||
108 | |||
109 | <body onLoad="document.forms.auth.username.focus()"> |
||
110 | <div id="login_mask"> |
||
111 | |||
112 | <form name="auth" class="pure-form pure-form-aligned" action="login.php" method="post"> |
||
113 | |||
114 | <fieldset class="login"> |
||
115 | <legend> |
||
116 | <img src="theme/<?=CONFIG_THEME?>/palma-logo-67x25.png" alt="PalMA" height="25"/> |
||
117 | – <?=addslashes(__("Login"))?> |
||
118 | </legend> |
||
119 | <div id="login_fields"> |
||
120 | <div class="pure-control-group"> |
||
121 | <label for="username"><?=addslashes(__("User name"))?></label> |
||
122 | <input id="username" name="username" type="text" value="<?=htmlspecialchars($username)?>"> |
||
123 | </div> |
||
124 | <?php |
||
125 | if (CONFIG_PASSWORD) { |
||
126 | ?> |
||
127 | <div class="pure-control-group"> |
||
128 | <label for="userpassword"><?=addslashes(__("Password"))?></label> |
||
129 | <input id="userpassword" name="userpassword" type="password"> |
||
130 | </div> |
||
131 | <?php |
||
132 | } |
||
133 | if (CONFIG_PIN) { |
||
134 | ?> |
||
135 | <div class="pure-control-group"> |
||
136 | <label for="pin"><?=addslashes(__("PIN"))?></label> |
||
137 | <input id="pin" name="pin" type="text" value="<?=htmlspecialchars($posted_pin)?>"> |
||
138 | </div> |
||
139 | <?php |
||
140 | } |
||
141 | ?> |
||
142 | </div> |
||
143 | <div class="pure-controls"> |
||
144 | <button type="submit" class="pure-button pure-button-primary"> |
||
145 | <?=addslashes(__("Log in"))?><i class="fa fa-sign-in"></i> |
||
146 | </button> |
||
147 | </div> |
||
148 | </fieldset> |
||
149 | |||
150 | </form> |
||
151 | |||
152 | <?php |
||
153 | if ($errtext) { |
||
154 | echo("<p>$errtext</p>"); |
||
155 | } |
||
156 | if (defined('CONFIG_POLICY')) { |
||
157 | echo('<div class="policy">' . CONFIG_POLICY . '</div>'); |
||
158 | } |
||
159 | ?> |
||
160 | |||
161 | </div> |
||
162 | |||
163 | </body> |
||
164 | </html> |
||
165 |