105 lines
4.1 KiB
PHP
105 lines
4.1 KiB
PHP
<?php
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$ALLOW_ADMIN_EMAIL_LOGIN = (preg_match(
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"/^([yY][eE][sS]|[yY])+$/",
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$_ENV["ALLOW_ADMIN_EMAIL_LOGIN"]
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));
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$session_var_user_allowed = 'sogo-sso-user-allowed';
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$session_var_pass = 'sogo-sso-pass';
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// validate credentials for basic auth requests
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if (isset($_SERVER['PHP_AUTH_USER'])) {
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// load prerequisites only when required
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require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
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$username = $_SERVER['PHP_AUTH_USER'];
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$password = $_SERVER['PHP_AUTH_PW'];
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$is_eas = false;
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$is_dav = false;
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$original_uri = isset($_SERVER['HTTP_X_ORIGINAL_URI']) ? $_SERVER['HTTP_X_ORIGINAL_URI'] : '';
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if (preg_match('/^(\/SOGo|)\/dav.*/', $original_uri) === 1) {
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$is_dav = true;
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}
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elseif (preg_match('/^(\/SOGo|)\/Microsoft-Server-ActiveSync.*/', $original_uri) === 1) {
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$is_eas = true;
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}
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$login_check = check_login($username, $password, array('dav' => $is_dav, 'eas' => $is_eas));
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if ($login_check === 'user') {
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header("X-User: $username");
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header("X-Auth: Basic ".base64_encode("$username:$password"));
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header("X-Auth-Type: Basic");
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exit;
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} else {
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header('HTTP/1.0 401 Unauthorized');
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echo 'Invalid login';
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exit;
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}
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}
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// check permissions and redirect for direct GET ?login=xy requests
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elseif (isset($_GET['login'])) {
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// load prerequisites only when required
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require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
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// check if dual_login is active
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$is_dual = (!empty($_SESSION["dual-login"]["username"])) ? true : false;
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// check permissions (if dual_login is active, deny sso when acl is not given)
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$login = html_entity_decode(rawurldecode($_GET["login"]));
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if (isset($_SESSION['mailcow_cc_role']) &&
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(($_SESSION['acl']['login_as'] == "1" && $ALLOW_ADMIN_EMAIL_LOGIN !== 0) || ($is_dual === false && $login == $_SESSION['mailcow_cc_username']))) {
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if (filter_var($login, FILTER_VALIDATE_EMAIL)) {
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if (user_get_alias_details($login) !== false) {
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// load master password
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$sogo_sso_pass = file_get_contents("/etc/sogo-sso/sogo-sso.pass");
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// register username and password in session
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$_SESSION[$session_var_user_allowed][] = $login;
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$_SESSION[$session_var_pass] = $sogo_sso_pass;
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// update sasl logs
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$service = ($app_passwd_data['eas'] === true) ? 'EAS' : 'DAV';
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$stmt = $pdo->prepare("REPLACE INTO sasl_log (`service`, `app_password`, `username`, `real_rip`) VALUES ('SSO', 0, :username, :remote_addr)");
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$stmt->execute(array(
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':username' => $login,
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':remote_addr' => ($_SERVER['HTTP_X_REAL_IP'] ?? $_SERVER['REMOTE_ADDR'])
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));
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// redirect to sogo (sogo will get the correct credentials via nginx auth_request
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header("Location: /SOGo/so/${login}");
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exit;
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}
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}
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}
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header('HTTP/1.0 403 Forbidden');
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echo "Forbidden";
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exit;
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}
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// only check for admin-login on sogo GUI requests
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elseif (isset($_SERVER['HTTP_X_ORIGINAL_URI']) && strcasecmp(substr($_SERVER['HTTP_X_ORIGINAL_URI'], 0, 9), "/SOGo/so/") === 0) {
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// this is an nginx auth_request call, we check for existing sogo-sso session variables
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session_start();
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// extract email address from "/SOGo/so/user@domain/xy"
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$url_parts = explode("/", $_SERVER['HTTP_X_ORIGINAL_URI']);
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$email_list = array(
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$url_parts[3], // Requested mailbox
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($_SESSION['mailcow_cc_username'] ?? ''), // Current user
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($_SESSION["dual-login"]["username"] ?? ''), // Dual login user
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);
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foreach($email_list as $email) {
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// check if this email is in session allowed list
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if (
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!empty($email) &&
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filter_var($email, FILTER_VALIDATE_EMAIL) &&
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is_array($_SESSION[$session_var_user_allowed]) &&
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in_array($email, $_SESSION[$session_var_user_allowed])
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) {
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$username = $email;
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$password = $_SESSION[$session_var_pass];
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header("X-User: $username");
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header("X-Auth: Basic ".base64_encode("$username:$password"));
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header("X-Auth-Type: Basic");
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exit;
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}
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}
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}
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// if username is empty, SOGo will use the normal login methods / login form
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header("X-User: ");
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header("X-Auth: ");
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header("X-Auth-Type: ");
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