Subversion Repositories SmartDukaan

package in.shop2020.serving.controllers;

import static nl.captcha.Captcha.NAME;

import nl.captcha.servlet.CaptchaServletUtil;

import java.awt.Color;

import java.awt.Font;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import javax.servlet.http.Cookie;

import nl.captcha.Captcha;

import nl.captcha.backgrounds.TransparentBackgroundProducer;

import nl.captcha.text.renderer.DefaultWordRenderer;

import in.shop2020.serving.utils.DesEncrypter;

public class CaptchaController extends BaseController {

	private DesEncrypter desEncrypter = new DesEncrypter("saholic");

	private static final long serialVersionUID = 1L;

    private static int _width = 200;

    private static int _height = 57;

    private static final List<Color> COLORS = new ArrayList<Color>(2);

    private static final List<Font> FONTS = new ArrayList<Font>(3);

    static {

        COLORS.add(Color.BLACK);

        COLORS.add(Color.BLUE);

        FONTS.add(new Font("Geneva", Font.ITALIC, 48));

        FONTS.add(new Font("Courier", Font.BOLD, 48));

        FONTS.add(new Font("Arial", Font.BOLD, 48));

    }

	public String index() throws IOException {

		DefaultWordRenderer wordRenderer = new DefaultWordRenderer(COLORS, FONTS);

        Captcha captcha = new Captcha.Builder(_width, _height).addText(wordRenderer)

                .gimp()

                .addNoise()

                .addBackground(new TransparentBackgroundProducer())

                .addBorder()

                .build();

        String answer = captcha.getAnswer();

        String encryptAnswer = desEncrypter.encrypt(answer);

        Cookie answerCookie = createCookie(NAME, "", encryptAnswer, null);

        response.addCookie(answerCookie);

        CaptchaServletUtil.writeImage(response, captcha.getImage());

		return "index";

	}

	private Cookie createCookie(String name, String domain, String value, Integer age) {

        Cookie cookie = new Cookie(name, value);

        if (age != null) {

            cookie.setMaxAge(age);

        }

        cookie.setPath("/");

        if (!domain.isEmpty()) {

            cookie.setDomain(domain);

        }

        return cookie;

    }

}