| commit | author | age | ||
| 48e9c1 | 1 | <?php |
| T | 2 | |
| 3 | /** | |
| 4 | * HTTP Basic Authentication | |
| 5 | * | |
| 6 | * Make use of an existing HTTP authentication and perform login with the existing user credentials | |
| 7 | * | |
| 8 | * Configuration: | |
| 9 | * // redirect the client to this URL after logout. This page is then responsible to clear HTTP auth | |
| bcedf0 | 10 | * $config['logout_url'] = 'http://server.tld/logout.html'; |
| 48e9c1 | 11 | * |
| T | 12 | * See logout.html (in this directory) for an example how HTTP auth can be cleared. |
| 13 | * | |
| aec286 | 14 | * For other configuration options, see config.inc.php.dist! |
| JW | 15 | * |
| 48e9c1 | 16 | * @version @package_version@ |
| T | 17 | * @license GNU GPLv3+ |
| 18 | * @author Thomas Bruederli | |
| 19 | */ | |
| 20 | class http_authentication extends rcube_plugin | |
| 21 | { | |
| 5e3d10 | 22 | private $redirect_query; |
| 48e9c1 | 23 | |
| d9921e | 24 | function init() |
| AM | 25 | { |
| 26 | $this->add_hook('startup', array($this, 'startup')); | |
| 27 | $this->add_hook('authenticate', array($this, 'authenticate')); | |
| 28 | $this->add_hook('logout_after', array($this, 'logout')); | |
| 5e3d10 | 29 | $this->add_hook('login_after', array($this, 'login')); |
| d9921e | 30 | } |
| 48e9c1 | 31 | |
| d9921e | 32 | function startup($args) |
| AM | 33 | { |
| 35533c | 34 | if (!empty($_SERVER['PHP_AUTH_USER'])) { |
| d9921e | 35 | $rcmail = rcmail::get_instance(); |
| AM | 36 | $rcmail->add_shutdown_function(array('http_authentication', 'shutdown')); |
| 48e9c1 | 37 | |
| d9921e | 38 | // handle login action |
| 5e3d10 | 39 | if (empty($_SESSION['user_id'])) { |
| N | 40 | $args['action'] = 'login'; |
| 41 | $this->redirect_query = $_SERVER['QUERY_STRING']; | |
| d9921e | 42 | } |
| AM | 43 | // Set user password in session (see shutdown() method for more info) |
| 35533c | 44 | else if (!empty($_SESSION['user_id']) && empty($_SESSION['password']) |
| GB | 45 | && !empty($_SERVER['PHP_AUTH_PW'])) { |
| d9921e | 46 | $_SESSION['password'] = $rcmail->encrypt($_SERVER['PHP_AUTH_PW']); |
| AM | 47 | } |
| 48 | } | |
| 48e9c1 | 49 | |
| T | 50 | return $args; |
| 51 | } | |
| 52 | ||
| d9921e | 53 | function authenticate($args) |
| AM | 54 | { |
| aec286 | 55 | // Load plugin's config file |
| JW | 56 | $this->load_config(); |
| 57 | ||
| 58 | $host = rcmail::get_instance()->config->get('http_authentication_host'); | |
| d9a8d2 | 59 | if (is_string($host) && trim($host) !== '' && empty($args['host'])) |
| 61be82 | 60 | $args['host'] = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host)); |
| aec286 | 61 | |
| d9921e | 62 | // Allow entering other user data in login form, |
| AM | 63 | // e.g. after log out (#1487953) |
| 64 | if (!empty($args['user'])) { | |
| 65 | return $args; | |
| 66 | } | |
| 67 | ||
| 35533c | 68 | if (!empty($_SERVER['PHP_AUTH_USER'])) { |
| d9921e | 69 | $args['user'] = $_SERVER['PHP_AUTH_USER']; |
| 35533c | 70 | if (!empty($_SERVER['PHP_AUTH_PW'])) |
| GB | 71 | $args['pass'] = $_SERVER['PHP_AUTH_PW']; |
| d9921e | 72 | } |
| AM | 73 | |
| 74 | $args['cookiecheck'] = false; | |
| 75 | $args['valid'] = true; | |
| 76 | ||
| 77 | return $args; | |
| 48e9c1 | 78 | } |
| T | 79 | |
| d9921e | 80 | function logout($args) |
| AM | 81 | { |
| 82 | // redirect to configured URL in order to clear HTTP auth credentials | |
| 83 | if (!empty($_SERVER['PHP_AUTH_USER']) && $args['user'] == $_SERVER['PHP_AUTH_USER']) { | |
| 84 | if ($url = rcmail::get_instance()->config->get('logout_url')) { | |
| 85 | header("Location: $url", true, 307); | |
| 86 | } | |
| 87 | } | |
| 48e9c1 | 88 | } |
| T | 89 | |
| d9921e | 90 | function shutdown() |
| AM | 91 | { |
| 92 | // There's no need to store password (even if encrypted) in session | |
| 93 | // We'll set it back on startup (#1486553) | |
| 94 | rcmail::get_instance()->session->remove('password'); | |
| 95 | } | |
| 5e3d10 | 96 | |
| N | 97 | function login($args) |
| 98 | { | |
| 99 | // Redirect to the previous QUERY_STRING | |
| 100 | if($this->redirect_query){ | |
| 101 | header('Location: ./?' . $this->redirect_query); | |
| 102 | exit; | |
| 103 | } | |
| 104 | return $args; | |
| 105 | } | |
| 48e9c1 | 106 | } |
| T | 107 | |
