+ if ($this->configManager->get('security.open_shaarli')) {
+ $this->openShaarli = true;
+ }
+ }
+
+ /**
+ * Check user session state and validity (expiration)
+ *
+ * @param array $server The $_SERVER array
+ * @param array $session The $_SESSION array (reference)
+ * @param array $cookie The $_COOKIE array
+ * @param string $webPath Path on the server in which the cookie will be available on
+ * @param string $token Session token
+ *
+ * @return bool true if the user session is valid, false otherwise
+ */
+ public function checkLoginState($server, & $session, $cookie, $webPath, $token)
+ {
+ if (! $this->configManager->exists('credentials.login')) {
+ // Shaarli is not configured yet
+ $this->isLoggedIn = false;
+ return;
+ }
+
+ if (isset($cookie[SessionManager::$LOGGED_IN_COOKIE])
+ && $cookie[SessionManager::$LOGGED_IN_COOKIE] === $token
+ ) {
+ $this->sessionManager->storeLoginInfo($server);
+ $this->isLoggedIn = true;
+ }
+
+ // Logout when:
+ // - the session does not exist on the server side
+ // - the session has expired
+ // - the client IP address has changed
+ if (empty($session['uid'])
+ || ($this->configManager->get('security.session_protection_disabled') === false
+ && $session['ip'] != client_ip_id($server))
+ || time() >= $session['expires_on']
+ ) {
+ $this->sessionManager->logout($webPath);
+ $this->isLoggedIn = false;
+ return;
+ }
+
+ // Extend session validity
+ if (! empty($session['longlastingsession'])) {
+ // "Stay signed in" is enabled
+ $session['expires_on'] = time() + $session['longlastingsession'];
+ } else {
+ $session['expires_on'] = time() + SessionManager::$INACTIVITY_TIMEOUT;
+ }
+ }
+
+ /**
+ * Return whether the user is currently logged in
+ *
+ * @return true when the user is logged in, false otherwise
+ */
+ public function isLoggedIn()
+ {
+ if ($this->openShaarli) {
+ return true;
+ }
+ return $this->isLoggedIn;
+ }
+
+ /**
+ * Check user credentials are valid
+ *
+ * @param array $server The $_SERVER array
+ * @param string $login Username
+ * @param string $password Password
+ *
+ * @return bool true if the provided credentials are valid, false otherwise
+ */
+ public function checkCredentials($server, $login, $password)
+ {
+ $hash = sha1($password . $login . $this->configManager->get('credentials.salt'));
+
+ if ($login != $this->configManager->get('credentials.login')
+ || $hash != $this->configManager->get('credentials.hash')
+ ) {
+ logm(
+ $this->configManager->get('resource.log'),
+ $server['REMOTE_ADDR'],
+ 'Login failed for user ' . $login
+ );
+ return false;
+ }
+
+ $this->sessionManager->storeLoginInfo($server);
+ logm(
+ $this->configManager->get('resource.log'),
+ $server['REMOTE_ADDR'],
+ 'Login successful'
+ );
+ return true;