configManager = $configManager; $this->sessionManager = $sessionManager; $this->cookieManager = $cookieManager; $this->banManager = new BanManager( $this->configManager->get('security.trusted_proxies', []), $this->configManager->get('security.ban_after'), $this->configManager->get('security.ban_duration'), $this->configManager->get('resource.ban_file', 'data/ipbans.php'), $this->configManager->get('resource.log') ); if ($this->configManager->get('security.open_shaarli') === true) { $this->openShaarli = true; } } /** * Generate a token depending on deployment salt, user password and client IP * * @param string $clientIpAddress The remote client IP address */ public function generateStaySignedInToken($clientIpAddress) { if ($this->configManager->get('security.session_protection_disabled') === true) { $clientIpAddress = ''; } $this->staySignedInToken = sha1( $this->configManager->get('credentials.hash') . $clientIpAddress . $this->configManager->get('credentials.salt') ); } /** * Return the user's client stay-signed-in token * * @return string User's client stay-signed-in token */ public function getStaySignedInToken() { return $this->staySignedInToken; } /** * Check user session state and validity (expiration) * * @param string $clientIpId Client IP address identifier */ public function checkLoginState($clientIpId) { if (! $this->configManager->exists('credentials.login')) { // Shaarli is not configured yet $this->isLoggedIn = false; return; } if ($this->staySignedInToken === $this->cookieManager->getCookieParameter(CookieManager::STAY_SIGNED_IN)) { // The user client has a valid stay-signed-in cookie // Session information is updated with the current client information $this->sessionManager->storeLoginInfo($clientIpId); } elseif ($this->sessionManager->hasSessionExpired() || $this->sessionManager->hasClientIpChanged($clientIpId) ) { $this->sessionManager->logout(); $this->isLoggedIn = false; return; } $this->isLoggedIn = true; $this->sessionManager->extendSession(); } /** * Return whether the user is currently logged in * * @return true when the user is logged in, false otherwise */ public function isLoggedIn(): bool { if ($this->openShaarli) { return true; } return $this->isLoggedIn; } /** * Check user credentials are valid * * @param string $remoteIp Remote client IP address * @param string $clientIpId Client IP address identifier * @param string $login Username * @param string $password Password * * @return bool true if the provided credentials are valid, false otherwise */ public function checkCredentials($remoteIp, $clientIpId, $login, $password) { // Check login matches config if ($login !== $this->configManager->get('credentials.login')) { return false; } // Check credentials try { $useLdapLogin = !empty($this->configManager->get('ldap.host')); if ((false === $useLdapLogin && $this->checkCredentialsFromLocalConfig($login, $password)) || (true === $useLdapLogin && $this->checkCredentialsFromLdap($login, $password)) ) { $this->sessionManager->storeLoginInfo($clientIpId); logm( $this->configManager->get('resource.log'), $remoteIp, 'Login successful' ); return true; } } catch(Exception $exception) { logm( $this->configManager->get('resource.log'), $remoteIp, 'Exception while checking credentials: ' . $exception ); } logm( $this->configManager->get('resource.log'), $remoteIp, 'Login failed for user ' . $login ); return false; } /** * Check user credentials from local config * * @param string $login Username * @param string $password Password * * @return bool true if the provided credentials are valid, false otherwise */ public function checkCredentialsFromLocalConfig($login, $password) { $hash = sha1($password . $login . $this->configManager->get('credentials.salt')); return $login == $this->configManager->get('credentials.login') && $hash == $this->configManager->get('credentials.hash'); } /** * Check user credentials are valid through LDAP bind * * @param string $remoteIp Remote client IP address * @param string $clientIpId Client IP address identifier * @param string $login Username * @param string $password Password * * @return bool true if the provided credentials are valid, false otherwise */ public function checkCredentialsFromLdap($login, $password, $connect = null, $bind = null) { $connect = $connect ?? function($host) { $resource = ldap_connect($host); ldap_set_option($resource, LDAP_OPT_PROTOCOL_VERSION, 3); return $resource; }; $bind = $bind ?? function($handle, $dn, $password) { return ldap_bind($handle, $dn, $password); }; return $bind( $connect($this->configManager->get('ldap.host')), sprintf($this->configManager->get('ldap.dn'), $login), $password ); } /** * Handle a failed login and ban the IP after too many failed attempts * * @param array $server The $_SERVER array */ public function handleFailedLogin($server) { $this->banManager->handleFailedAttempt($server); } /** * Handle a successful login * * @param array $server The $_SERVER array */ public function handleSuccessfulLogin($server) { $this->banManager->clearFailures($server); } /** * Check if the user can login from this IP * * @param array $server The $_SERVER array * * @return bool true if the user is allowed to login */ public function canLogin($server) { return ! $this->banManager->isBanned($server); } }