73 lines
1.9 KiB
PHP
73 lines
1.9 KiB
PHP
<?php
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// Start session
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ini_set("session.cookie_httponly", 1);
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ini_set('session.gc_maxlifetime', $SESSION_LIFETIME);
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if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) &&
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strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == "https") {
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ini_set("session.cookie_secure", 1);
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$IS_HTTPS = true;
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}
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elseif (isset($_SERVER['HTTPS'])) {
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ini_set("session.cookie_secure", 1);
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$IS_HTTPS = true;
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}
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else {
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$IS_HTTPS = false;
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}
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session_set_cookie_params($SESSION_LIFETIME, '/', '', $IS_HTTPS, true);
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session_start();
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if (!isset($_SESSION['CSRF']['TOKEN'])) {
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$_SESSION['CSRF']['TOKEN'] = bin2hex(random_bytes(32));
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}
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// Set session UA
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if (!isset($_SESSION['SESS_REMOTE_UA'])) {
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$_SESSION['SESS_REMOTE_UA'] = $_SERVER['HTTP_USER_AGENT'];
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}
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// Update session cookie
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setcookie(session_name() ,session_id(), time() + $SESSION_LIFETIME);
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// Check session
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function session_check() {
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if (!isset($_SESSION['SESS_REMOTE_UA'])) {
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return false;
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}
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if ($_SESSION['SESS_REMOTE_UA'] != $_SERVER['HTTP_USER_AGENT']) {
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return false;
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}
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if (!empty($_POST)) {
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if ($_SESSION['CSRF']['TOKEN'] != $_POST['csrf_token']) {
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return false;
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}
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$_SESSION['CSRF']['TOKEN'] = bin2hex(random_bytes(32));
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$_SESSION['CSRF']['TIME'] = time();
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}
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return true;
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}
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if (isset($_SESSION['mailcow_cc_role']) && session_check() === false) {
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$_SESSION['return'] = array(
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'type' => 'warning',
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'msg' => 'Form token invalid or timed out'
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);
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$_POST = array();
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}
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// Handle logouts
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if (isset($_POST["logout"])) {
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if (isset($_SESSION["dual-login"])) {
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$_SESSION["mailcow_cc_username"] = $_SESSION["dual-login"]["username"];
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$_SESSION["mailcow_cc_role"] = $_SESSION["dual-login"]["role"];
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unset($_SESSION["dual-login"]);
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}
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else {
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session_regenerate_id(true);
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session_unset();
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session_destroy();
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session_write_close();
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header("Location: /");
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}
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}
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