Fixed non-http protocols

Author: maneesht

packages/data-connect/src/api/DataConnect.ts

@@ -72,8 +72,14 @@ const FIREBASE_DATA_CONNECT_EMULATOR_HOST_VAR =
  */
 export function parseOptions(fullHost: string): TransportOptions {
   const trimmedHost = fullHost.trim();
-  if (trimmedHost.startsWith('http://') || trimmedHost.startsWith('https://')) {
+  if (fullHost.includes('://')) {
     const [protocol, host] = trimmedHost.split('://');
+    if (protocol !== 'http' && protocol !== 'https') {
+      throw new DataConnectError(
+        Code.INVALID_ARGUMENT,
+        `Protocol ${protocol} is not supported. Use 'http' or 'https' instead.`
+      );
+    }
     const isSecure = protocol === 'https';
     return { host, sslEnabled: isSecure };
   }

packages/data-connect/test/unit/dataconnect.test.ts

@@ -81,4 +81,10 @@ describe('Data Connect Test', () => {
     expect(parsedHost.host).to.eq(host);
     expect(parsedHost.sslEnabled).to.be.false;
   });
+  it('should throw for non-http protocols', async () => {
+    const host = 'ftp://localhost';
+    expect(() => parseOptions(host)).to.throw(
+      "Protocol ftp is not supported. Use 'http' or 'https' instead."
+    );
+  });
 });