mailcow/data/web/sogo-auth.php

79 lines
2.8 KiB
PHP

<?php
$ALLOW_ADMIN_EMAIL_LOGIN = (preg_match(
"/^([yY][eE][sS]|[yY])+$/",
$_ENV["ALLOW_ADMIN_EMAIL_LOGIN"]
));
$session_var_user = 'sogo-sso-user';
$session_var_pass = 'sogo-sso-pass';
// prevent if feature is disabled
if (!$ALLOW_ADMIN_EMAIL_LOGIN) {
header('HTTP/1.0 403 Forbidden');
echo "this feature is disabled";
exit;
}
// validate credentials for basic auth requests
elseif (isset($_SERVER['PHP_AUTH_USER'])) {
// load prerequisites only when required
require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
$username = $_SERVER['PHP_AUTH_USER'];
$password = $_SERVER['PHP_AUTH_PW'];
$login_check = check_login($username, $password);
if ($login_check === 'user') {
header("X-User: $username");
header("X-Auth: Basic ".base64_encode("$username:$password"));
header("X-Auth-Type: Basic");
exit;
} else {
header('HTTP/1.0 401 Unauthorized');
echo 'Invalid login';
exit;
}
}
// check permissions and redirect for direct GET ?login=xy requests
elseif (isset($_GET['login'])) {
// load prerequisites only when required
require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
// check permissions
if (isset($_SESSION['mailcow_cc_role']) && $_SESSION['acl']['login_as'] == "1") {
$login = html_entity_decode(rawurldecode($_GET["login"]));
if (filter_var($login, FILTER_VALIDATE_EMAIL)) {
if (!empty(mailbox('get', 'mailbox_details', $login))) {
// load master password
$sogo_sso_pass = file_get_contents("/etc/sogo-sso/sogo-sso.pass");
// register username and password in session
$_SESSION[$session_var_user] = $login;
$_SESSION[$session_var_pass] = $sogo_sso_pass;
// redirect to sogo (sogo will get the correct credentials via nginx auth_request
header("Location: /SOGo/");
exit;
}
}
}
header('HTTP/1.0 403 Forbidden');
exit;
}
// do not check for admin-login / sogo-sso for EAS and DAV requests, SOGo can check auth itself if no authorization header is set
elseif (
strcasecmp(substr($_SERVER['HTTP_X_ORIGINAL_URI'], 0, 28), "/Microsoft-Server-ActiveSync") == 0 &&
strcasecmp(substr($_SERVER['HTTP_X_ORIGINAL_URI'], 0, 9), "/SOGo/dav") == 0
) {
// this is an nginx auth_request call, we check for existing sogo-sso session variables
session_start();
if (isset($_SESSION[$session_var_user]) && filter_var($_SESSION[$session_var_user], FILTER_VALIDATE_EMAIL)) {
$username = $_SESSION[$session_var_user];
$password = $_SESSION[$session_var_pass];
header("X-User: $username");
header("X-Auth: Basic ".base64_encode("$username:$password"));
header("X-Auth-Type: Basic");
} else {
// if username is empty, SOGo will display the normal login form
header("X-User: ");
header("X-Auth: ");
header("X-Auth-Type: ");
}
exit;
}