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<?php
class Auth_Remote extends Auth_Base {
/** redirect user to this URL after logout; .env:
* TTRSS_AUTH_REMOTE_POST_LOGOUT_URL=http://127.0.0.1/logout-redirect
*/
const AUTH_REMOTE_POST_LOGOUT_URL = "AUTH_REMOTE_POST_LOGOUT_URL";
function about() {
return array(null,
"Authenticates against external passwords (HTTP Authentication, SSL certificates)",
"fox",
true);
}
function init($host) {
$host->add_hook($host::HOOK_AUTH_USER, $this);
Config::add(self::AUTH_REMOTE_POST_LOGOUT_URL, "", Config::T_STRING);
if (Config::get(self::AUTH_REMOTE_POST_LOGOUT_URL) != "") {
$host->add_hook($host::HOOK_POST_LOGOUT, $this);
}
}
function get_login_by_ssl_certificate() : string {
$cert_serial = Pref_Prefs::_get_ssl_certificate_id();
if ($cert_serial) {
$sth = $this->pdo->prepare("SELECT login FROM ttrss_user_prefs2, ttrss_users
WHERE pref_name = 'SSL_CERT_SERIAL' AND value = ? AND
owner_uid = ttrss_users.id");
$sth->execute([$cert_serial]);
if ($row = $sth->fetch()) {
return $row['login'];
}
}
return "";
}
function authenticate($login, $password, $service = '') {
$try_login = "";
foreach (["REMOTE_USER", "HTTP_REMOTE_USER", "REDIRECT_REMOTE_USER", "PHP_AUTH_USER"] as $hdr) {
if (!empty($_SERVER[$hdr])) {
$try_login = $_SERVER[$hdr];
break;
}
}
if (!$try_login) $try_login = $this->get_login_by_ssl_certificate();
if ($try_login) {
$user_id = $this->auto_create_user($try_login, $password);
if ($user_id) {
$_SESSION["fake_login"] = $try_login;
$_SESSION["fake_password"] = "******";
$_SESSION["hide_hello"] = true;
$_SESSION["hide_logout"] = true;
// LemonLDAP can send user informations via HTTP HEADER
if (Config::get(Config::AUTH_AUTO_CREATE)) {
// update user name
$fullname = isset($_SERVER['HTTP_USER_NAME']) ? $_SERVER['HTTP_USER_NAME'] : ($_SERVER['AUTHENTICATE_CN'] ?? "");
if ($fullname){
$sth = $this->pdo->prepare("UPDATE ttrss_users SET full_name = ? WHERE id = ?");
$sth->execute([$fullname, $user_id]);
}
// update user mail
$email = isset($_SERVER['HTTP_USER_MAIL']) ? $_SERVER['HTTP_USER_MAIL'] : ($_SERVER['AUTHENTICATE_MAIL'] ?? "");
if ($email){
$sth = $this->pdo->prepare("UPDATE ttrss_users SET email = ? WHERE id = ?");
$sth->execute([$email, $user_id]);
}
}
return $user_id;
}
}
return false;
}
function hook_post_logout($login, $user_id) {
return [
Config::get(self::AUTH_REMOTE_POST_LOGOUT_URL)
];
}
function api_version() {
return 2;
}
}
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