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;
                }
        }
}