/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.  You may obtain a copy of the License at      http://www.apache.org/licenses/LICENSE-2.0  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.
 */

package org.apache.iotdb.db.auth.authorizer;

import com.nimbusds.oauth2.sdk.ParseException;
import com.nimbusds.oauth2.sdk.util.JSONObjectUtils;
import org.apache.iotdb.db.auth.AuthException;
import org.junit.Ignore;
import org.junit.Test;

import java.io.IOException;
import java.net.URISyntaxException;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

public class OpenIdAuthorizerTest {

    private static final String OPEN_ID_PUBLIC_JWK = "{\"kty\":\"RSA\",\"x5t#S256\":\"TZFbbj6HsRU28HYvrcVnDs03KreV3DE24-Cxb9EPdS4\",\"e\":\"AQAB\",\"use\":\"sig\",\"x5t\":\"l_N2UlC_a624iu5eYFypnB1Wr20\",\"kid\":\"q1-Wm0ozQ5O0mQH8-SJap2ZcN4MmucWwnQWKYxZJ4ow\",\"x5c\":[\"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\"],\"alg\":\"RS256\",\"n\":\"ozDCZTVc9946VvhZ6E_OP8Yx6tJe0i9GR2Q9jR9S3jQoo0haT_P1b_zvQK52qA1xj6tBVg64xl3-LUxtCvh3HfAM5Q3PeSa0e2MkZaKCt335lKnKCSuaQGYoHULmg_FDOgCA0wJYOonGGJkgWmkzSAzdnHmBATosTl0XkBXHTdFOq5HaKw-bfghYp5097Gkl_Dp4sixVjIWLTh5l9diy4D_XKxadGumPCmTOS5E7y92jiHE64XFe1Q7v1qD-qKJKFvamAMIFPGBKegIajt42IcOIcIaJZnM1lBZApq1a_E6oL24QnP_j2e9coseDtGNywaADQdO8PaJadH_BV4aPCw\"}";

    @Test
    public void loginWithJWT() throws AuthException, ParseException, IOException, URISyntaxException {
        String jwt = "eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJxMS1XbTBvelE1TzBtUUg4LVNKYXAyWmNONE1tdWNXd25RV0tZeFpKNG93In0.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.GxQFltm1PrZzVL7rR6K-GpQINFLymjqAxxoDt_DGfQEMt61M6ebmx2oHiP_3G0HDSl7sbamajQbbRrfyTg--emBC2wfhdZ7v_7O0qWC60Yd8cWZ9qxwqwTFKYb8a0Z6_TeH9-vUmsy6kp2BfJZXq3mSy0My21VGUAXRmWTbghiM4RFoHKjAZVhsPHWelFmtLftYPdOGxv-7c9iUOVh_W-nOcCNRJpYY7BEjUYN24TsjvCEwWDQWD9E29LMYfA6LNeG0KdL9Jvqad4bc2FTJn9TaCnJMCiAJ7wEEiotqhXn70uEBWYxGXIVlm3vn3MDe3pTKA2TZy7U5xcrE7S8aGMg";

        OpenIdAuthorizer authorizer = new OpenIdAuthorizer(JSONObjectUtils.parse(OPEN_ID_PUBLIC_JWK));
        boolean login = authorizer.login(jwt, null);

        assertTrue(login);
    }

    @Test
    public void isAdmin_hasAccess() throws AuthException, ParseException, IOException, URISyntaxException {
        // IOTDB_ADMIN = true
        String jwt = "eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJxMS1XbTBvelE1TzBtUUg4LVNKYXAyWmNONE1tdWNXd25RV0tZeFpKNG93In0.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.LthDI93A3jqATc_8Fm0ismqQSN62TUknD6ara6w43eao2hY6KBoMXVY1c6SXSy8hhQeHLiWpopjJE6fsG9xbaV2Gs24SJYnP4DkHvhULlBJ_PUjFy18QxzeexwYK358a99eVHG_8yu-f2kN3mJslOSrlny8oZDxeSxUi9wYNIuQFeLPmGfSISVFn_5V8lpoUAHeENmf9h8mSyEcUHGqtZfVm5zEYIbPPSBqvNei2NvKAFle6qoaJ1l13dpbw39KkOtIUF8dJ7v8XY_xgO2GXCJCvZ5YGr-q4UnA9v_GM3h3vSa5dyCuG0HXBmAujxSxywzPl5RB_QCTiYcTm7MGKLg";

        OpenIdAuthorizer authorizer = new OpenIdAuthorizer(JSONObjectUtils.parse(OPEN_ID_PUBLIC_JWK));
        boolean admin = authorizer.isAdmin(jwt);

        assertTrue(admin);
    }

    @Test
    public void isAdmin_noAdminClaim() throws AuthException, ParseException, IOException, URISyntaxException {
        // IOTDB_ADMIN = false
        String jwt = "eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJxMS1XbTBvelE1TzBtUUg4LVNKYXAyWmNONE1tdWNXd25RV0tZeFpKNG93In0.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.GxQFltm1PrZzVL7rR6K-GpQINFLymjqAxxoDt_DGfQEMt61M6ebmx2oHiP_3G0HDSl7sbamajQbbRrfyTg--emBC2wfhdZ7v_7O0qWC60Yd8cWZ9qxwqwTFKYb8a0Z6_TeH9-vUmsy6kp2BfJZXq3mSy0My21VGUAXRmWTbghiM4RFoHKjAZVhsPHWelFmtLftYPdOGxv-7c9iUOVh_W-nOcCNRJpYY7BEjUYN24TsjvCEwWDQWD9E29LMYfA6LNeG0KdL9Jvqad4bc2FTJn9TaCnJMCiAJ7wEEiotqhXn70uEBWYxGXIVlm3vn3MDe3pTKA2TZy7U5xcrE7S8aGMg";

        OpenIdAuthorizer authorizer = new OpenIdAuthorizer(JSONObjectUtils.parse(OPEN_ID_PUBLIC_JWK));
        boolean admin = authorizer.isAdmin(jwt);

        assertFalse(admin);
    }

    /**
     * Can be run manually as long as the site below is active...
     */
    @Test
    @Ignore("We have to find a way to test this against a defined OIDC Provider")
    public void fetchMetadata() throws ParseException, IOException, URISyntaxException, AuthException {
        OpenIdAuthorizer openIdAuthorizer = new OpenIdAuthorizer("https://auth.demo.pragmaticindustries.de/auth/realms/IoTDB/");
        final boolean login = openIdAuthorizer.login("eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJxMS1XbTBvelE1TzBtUUg4LVNKYXAyWmNONE1tdWNXd25RV0tZeFpKNG93In0.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.GxQFltm1PrZzVL7rR6K-GpQINFLymjqAxxoDt_DGfQEMt61M6ebmx2oHiP_3G0HDSl7sbamajQbbRrfyTg--emBC2wfhdZ7v_7O0qWC60Yd8cWZ9qxwqwTFKYb8a0Z6_TeH9-vUmsy6kp2BfJZXq3mSy0My21VGUAXRmWTbghiM4RFoHKjAZVhsPHWelFmtLftYPdOGxv-7c9iUOVh_W-nOcCNRJpYY7BEjUYN24TsjvCEwWDQWD9E29LMYfA6LNeG0KdL9Jvqad4bc2FTJn9TaCnJMCiAJ7wEEiotqhXn70uEBWYxGXIVlm3vn3MDe3pTKA2TZy7U5xcrE7S8aGMg", "");

        assertTrue(login);
    }
}