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Microsoft Authentication Library for Java gives you the ability to obtain tokens from Azure AD v2 (work and school accounts, MSA) and Azure AD B2C, gaining access to Microsoft Cloud API and any other API secured by Microsoft identities
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// Generated by delombok at Fri Jul 26 21:46:44 UTC 2024
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
package com.microsoft.aad.msal4j;

import com.nimbusds.oauth2.sdk.ParseException;
import com.nimbusds.oauth2.sdk.http.HTTPResponse;
import com.nimbusds.oauth2.sdk.token.AccessToken;
import com.nimbusds.oauth2.sdk.token.RefreshToken;
import com.nimbusds.oauth2.sdk.util.JSONObjectUtils;
import com.nimbusds.openid.connect.sdk.OIDCTokenResponse;
import com.nimbusds.openid.connect.sdk.token.OIDCTokens;
import net.minidev.json.JSONObject;

class TokenResponse extends OIDCTokenResponse {
    private String scope;
    private String clientInfo;
    private long expiresIn;
    private long extExpiresIn;
    private String foci;
    private long refreshIn;

    TokenResponse(final AccessToken accessToken, final RefreshToken refreshToken, final String idToken, final String scope, String clientInfo, long expiresIn, long extExpiresIn, String foci, long refreshIn) {
        super(new OIDCTokens(idToken, accessToken, refreshToken));
        this.scope = scope;
        this.clientInfo = clientInfo;
        this.expiresIn = expiresIn;
        this.extExpiresIn = extExpiresIn;
        this.refreshIn = refreshIn;
        this.foci = foci;
    }

    static TokenResponse parseHttpResponse(final HTTPResponse httpResponse) throws ParseException {
        httpResponse.ensureStatusCode(HTTPResponse.SC_OK);
        final JSONObject jsonObject = httpResponse.getContentAsJSONObject();
        return parseJsonObject(jsonObject);
    }

    static Long getLongValue(JSONObject jsonObject, String key) throws ParseException {
        Object value = jsonObject.get(key);
        if (value instanceof Long) {
            return JSONObjectUtils.getLong(jsonObject, key);
        } else {
            return Long.parseLong(JSONObjectUtils.getString(jsonObject, key));
        }
    }

    static TokenResponse parseJsonObject(final JSONObject jsonObject) throws ParseException {
        // In same cases such as client credentials there isn't an id token. Instead of a null value
        // use an empty string in order to avoid an IllegalArgumentException from OIDCTokens.
        String idTokenValue = "";
        if (jsonObject.containsKey("id_token")) {
            idTokenValue = JSONObjectUtils.getString(jsonObject, "id_token");
        }
        // Parse value
        String scopeValue = null;
        if (jsonObject.containsKey("scope")) {
            scopeValue = JSONObjectUtils.getString(jsonObject, "scope");
        }
        String clientInfo = null;
        if (jsonObject.containsKey("client_info")) {
            clientInfo = JSONObjectUtils.getString(jsonObject, "client_info");
        }
        long expiresIn = 0;
        if (jsonObject.containsKey("expires_in")) {
            expiresIn = getLongValue(jsonObject, "expires_in");
        }
        long ext_expires_in = 0;
        if (jsonObject.containsKey("ext_expires_in")) {
            ext_expires_in = getLongValue(jsonObject, "ext_expires_in");
        }
        String foci = null;
        if (jsonObject.containsKey("foci")) {
            foci = JSONObjectUtils.getString(jsonObject, "foci");
        }
        long refreshIn = 0;
        if (jsonObject.containsKey("refresh_in")) {
            refreshIn = getLongValue(jsonObject, "refresh_in");
        }
        try {
            final AccessToken accessToken = AccessToken.parse(jsonObject);
            final RefreshToken refreshToken = RefreshToken.parse(jsonObject);
            return new TokenResponse(accessToken, refreshToken, idTokenValue, scopeValue, clientInfo, expiresIn, ext_expires_in, foci, refreshIn);
        } catch (ParseException e) {
            throw new MsalClientException("Invalid or missing token, could not parse. If using B2C, information on a potential B2C issue and workaround can be found here: https://aka.ms/msal4j-b2c-known-issues", AuthenticationErrorCode.INVALID_JSON);
        } catch (Exception e) {
            throw new MsalClientException(e);
        }
    }

    @java.lang.SuppressWarnings("all")
    String getScope() {
        return this.scope;
    }

    @java.lang.SuppressWarnings("all")
    String getClientInfo() {
        return this.clientInfo;
    }

    @java.lang.SuppressWarnings("all")
    long getExpiresIn() {
        return this.expiresIn;
    }

    @java.lang.SuppressWarnings("all")
    long getExtExpiresIn() {
        return this.extExpiresIn;
    }

    @java.lang.SuppressWarnings("all")
    String getFoci() {
        return this.foci;
    }

    @java.lang.SuppressWarnings("all")
    long getRefreshIn() {
        return this.refreshIn;
    }
}