don't try to pass string literal NOW() to ORM as a timestamp

classes/auth/base.php

@@ -29,7 +29,7 @@ abstract class Auth_Base extends Plugin implements IAuthModule {
 				$user->login = mb_strtolower($login);
 				$user->pwd_hash = UserHelper::hash_password($password, $user->salt);
 				$user->access_level = 0;
-				$user->created = 'NOW()';
+				$user->created = Db::NOW();
 				$user->save();
 
 				return UserHelper::find_user_by_login($login);

classes/db.php

@@ -16,6 +16,10 @@ class Db
 		ORM::configure('return_result_sets', true);
 	}
 
+	static function NOW() {
+		return date("Y-m-d H:i:s", time());
+	}
+
 	private function __clone() {
 		//
 	}

classes/feeds.php

@@ -475,7 +475,7 @@ class Feeds extends Handler_Protected {
 		/* bump login timestamp if needed */
 		if (time() - $_SESSION["last_login_update"] > 3600) {
 			$user = ORM::for_table('ttrss_users')->find_one($_SESSION["uid"]);
-			$user->last_login = 'NOW()';
+			$user->last_login = Db::NOW();
 			$user->save();
 
 			$_SESSION["last_login_update"] = time();

classes/pref/users.php

@@ -157,7 +157,7 @@ class Pref_Users extends Handler_Administrative {
 				$user->login = mb_strtolower($login);
 				$user->pwd_hash = UserHelper::hash_password($new_password, $user->salt);
 				$user->access_level = 0;
-				$user->created = 'NOW()';
+				$user->created = Db::NOW();
 				$user->save();
 
 				if ($new_uid = UserHelper::find_user_by_login($login)) {

classes/userhelper.php

@@ -51,7 +51,7 @@ class UserHelper {
 					$_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
 					$_SESSION["pwd_hash"] = $user->pwd_hash;
 
-					$user->last_login = 'NOW()';
+					$user->last_login = Db::NOW();
 					$user->save();
 
 					return true;
@@ -132,7 +132,7 @@ class UserHelper {
 			} else {
 				/* bump login timestamp */
 				$user = ORM::for_table('ttrss_users')->find_one($_SESSION["uid"]);
-				$user->last_login = 'NOW()';
+				$user->last_login = Db::NOW();
 				$user->save();
 
 				$_SESSION["last_login_update"] = time();

plugins/auth_internal/init.php

@@ -237,7 +237,7 @@ class Auth_Internal extends Auth_Base {
 
 			if (hash_equals("$pwd_algo:$raw_hash", $test_hash)) {
 				$pass = ORM::for_table('ttrss_app_passwords')->find_one($row["id"]);
-				$pass->last_used = 'NOW()';
+				$pass->last_used = Db::NOW();
 
 				if ($pwd_algo != UserHelper::HASH_ALGOS[0]) {
 					// upgrade password to current algo