ATWebAuth.HttpClientExample.java Source code

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Here is the source code for ATWebAuth.HttpClientExample.java

Source

package ATWebAuth;

/*
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/**
 *
 * @author GB001894
 */
import ATDataGrid.servlets.GooglePlusSignInTokenInfo;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.io.BufferedReader;
import java.io.InputStreamReader;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.HttpClientBuilder;

public class HttpClientExample {

    private final String USER_AGENT = "Mozilla/5.0";

    public static void main(String[] args) throws Exception {

        HttpClientExample http = new HttpClientExample();

        System.out.println("Send Http GET request");
        boolean isValid = http.doAccessTokenValidation();
        System.out.println("Validated : " + isValid);

    }

    // HTTP GET request
    private boolean doAccessTokenValidation() throws Exception {
        String access_token = "ya29.XgHOFfMKYSSkT6oePTOP8PHuoa8vFlEm65Y3mmIJAgwhTBNL6zEQva2RFMIOl_joxzn2j_L-Jt6HbA";
        String client_id = "815038451936-611r1ll7e9tkdl1kvhhvc9dokp5e9176.apps.googleusercontent.com";
        String url = "https://www.googleapis.com/oauth2/v1/tokeninfo?access_token=" + access_token;
        HttpClient client = HttpClientBuilder.create().build();
        HttpGet request = new HttpGet(url);
        request.addHeader("User-Agent", USER_AGENT);
        System.out.println("Sending 'GET' request to URL : " + url);
        HttpResponse response = client.execute(request);
        int reqRC = response.getStatusLine().getStatusCode();
        System.out.println("Response Code : " + reqRC);
        if (reqRC != 200)
            return false;
        BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        StringBuffer result = new StringBuffer();
        String line = "";
        while ((line = rd.readLine()) != null) {
            result.append(line);
        }
        Gson gson = new GsonBuilder().setPrettyPrinting().serializeNulls().create();
        GooglePlusSignInTokenInfo reqRec = gson.fromJson(result.toString(), GooglePlusSignInTokenInfo.class);
        System.out.println("Token issued to : " + reqRec.issued_to);
        System.out.println("Token audience : " + reqRec.audience);
        System.out.println("Token user id : " + reqRec.user_id);
        System.out.println("Token scope : " + reqRec.scope);
        System.out.println("Token expires in : " + reqRec.expires_in + " seconds");
        System.out.println("Token email : " + reqRec.email);
        System.out.println("Token verified_email : " + reqRec.verified_email);
        System.out.println("Token access type : " + reqRec.access_type);
        if (!client_id.equals(reqRec.audience))
            return false;
        if (reqRec.expires_in < 1)
            return false;
        return true;
    }
}