Subversion Repositories SmartDukaan

package com.hotspotstore.services;

import java.io.BufferedReader;

import java.io.DataOutputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.StringReader;

import java.net.URL;

import javax.json.Json;

import javax.json.JsonObject;

import javax.json.JsonReader;

import javax.net.ssl.HttpsURLConnection;

public class VerifyRecaptcha {

	public static final String url = "https://www.google.com/recaptcha/api/siteverify";

	public static final String secret = "6LcXBA4UAAAAAC7wPMiklJ2aj2Iq1ILTjpfkhvCq";

	private final static String USER_AGENT = "Mozilla/5.0";

	public static boolean verify(String gRecaptchaResponse) throws IOException {

		if (gRecaptchaResponse == null || "".equals(gRecaptchaResponse)) {

			return false;

		}

		try{

			URL obj = new URL(url);

			HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();

			con.setRequestMethod("POST");

			con.setRequestProperty("User-Agent", USER_AGENT);

			con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

			String postParams = "secret=" + secret + "&response="

			+ gRecaptchaResponse;

			con.setDoOutput(true);

			DataOutputStream wr = new DataOutputStream(con.getOutputStream());

			wr.writeBytes(postParams);

			wr.flush();

			wr.close();

			int responseCode = con.getResponseCode();

			System.out.println("\nSending 'POST' request to URL : " + url);

			System.out.println("Post parameters : " + postParams);

			System.out.println("Response Code : " + responseCode);

			BufferedReader in = new BufferedReader(new InputStreamReader(

					con.getInputStream()));

			String inputLine;

			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {

				response.append(inputLine);

			}

			in.close();

			// print result

			System.out.println(response.toString());

			//parse JSON response and return 'success' value

			JsonReader jsonReader = Json.createReader(new StringReader(response.toString()));

			JsonObject jsonObject = jsonReader.readObject();

			jsonReader.close();

			return jsonObject.getBoolean("success");

		}catch(Exception e){

			e.printStackTrace();

			return false;

		}

	}

}