113 lines
3.5 KiB
Java
113 lines
3.5 KiB
Java
/**
|
|
* Author: Timothy Prepscius
|
|
* License: GPLv3 Affero + keep my name in the code!
|
|
*/
|
|
package mail.web;
|
|
|
|
import java.io.IOException;
|
|
import java.sql.SQLException;
|
|
|
|
import javax.servlet.ServletException;
|
|
import javax.servlet.annotation.WebServlet;
|
|
import javax.servlet.http.HttpServlet;
|
|
import javax.servlet.http.HttpServletRequest;
|
|
import javax.servlet.http.HttpServletResponse;
|
|
|
|
import core.constants.ConstantsServer;
|
|
import core.server.captcha.Captcha;
|
|
import core.util.ExternalResource;
|
|
import core.util.LogNull;
|
|
import core.util.LogOut;
|
|
|
|
import net.tanesha.recaptcha.ReCaptchaImpl;
|
|
import net.tanesha.recaptcha.ReCaptchaResponse;
|
|
|
|
/**
|
|
* Servlet implementation class CaptchaResponse
|
|
*/
|
|
@WebServlet("/CaptchaResponse")
|
|
public class CaptchaResponse extends HttpServlet {
|
|
private static final long serialVersionUID = 1L;
|
|
|
|
static LogOut log = new LogOut(CaptchaResponse.class);
|
|
Captcha captcha;
|
|
|
|
/**
|
|
* @throws ClassNotFoundException
|
|
* @throws IOException
|
|
* @throws SQLException
|
|
* @see HttpServlet#HttpServlet()
|
|
*/
|
|
public CaptchaResponse() throws ClassNotFoundException, SQLException, IOException
|
|
{
|
|
super();
|
|
|
|
Class.forName("com.mysql.jdbc.Driver");
|
|
captcha = new Captcha();
|
|
captcha.ensureTables();
|
|
}
|
|
|
|
void doCors(HttpServletResponse response)
|
|
{
|
|
response.setHeader("Access-Control-Allow-Origin", ConstantsWeb.WEB_SERVER_URL);
|
|
response.setHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
|
|
response.setHeader("Access-Control-Allow-Headers", "X-Requested-With");
|
|
}
|
|
|
|
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
|
|
{
|
|
log.debug("doGet");
|
|
doPost(request, response);
|
|
}
|
|
|
|
/**
|
|
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
|
|
*/
|
|
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
|
|
{
|
|
log.debug("doPost");
|
|
doCors(response);
|
|
response.setContentType("application/json");
|
|
|
|
try
|
|
{
|
|
String remoteAddr = request.getRemoteAddr();
|
|
ReCaptchaImpl reCaptcha = new ReCaptchaImpl();
|
|
reCaptcha.setPrivateKey(ExternalResource.getTrimmedString("captcha_private_key"));
|
|
|
|
String challenge = request.getParameter("recaptcha_challenge_field");
|
|
String uresponse = request.getParameter("recaptcha_response_field");
|
|
ReCaptchaResponse reCaptchaResponse = reCaptcha.checkAnswer(remoteAddr, challenge, uresponse);
|
|
|
|
if (reCaptchaResponse.isValid())
|
|
{
|
|
try
|
|
{
|
|
String token = captcha.captchaSucceeded();
|
|
response.getWriter().write(("{'succeeded':true,'token':'" + token + "'}").replaceAll("'", "\""));
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
response.getWriter().write("{'succeeded':false,'reason':'System error'}".replaceAll("'", "\""));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
response.getWriter().write("{'succeeded':false,'reason':'User error'}".replaceAll("'", "\""));
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
response.getWriter().write("{'succeeded':false,'reason':'System error, captcha private key not set'}".replaceAll("'", "\""));
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void doOptions (HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
|
|
{
|
|
log.debug("doOptions");
|
|
doCors(response);
|
|
super.doOptions(request, response);
|
|
}
|
|
}
|