Maven Clover report

Clover coverage report - Maven Clover report

Coverage timestamp: Wed Sep 2 2009 20:38:47 GMT

FRAMES NO FRAMES

file stats:	LOC:	78		Methods:	2
	NCLOC:	45		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

SimpleImageCaptchaServlet.java

1		/*
2		* JCaptcha, the open source java framework for captcha definition and integration
3		* Copyright (c) 2007 jcaptcha.net. All Rights Reserved.
4		* See the LICENSE.txt file distributed with this package.
5		*/
6
7		package com.octo.captcha.module.servlet.image;
8
9		import com.octo.captcha.service.image.DefaultManageableImageCaptchaService;
10		import com.octo.captcha.service.image.ImageCaptchaService;
11		import com.octo.captcha.service.CaptchaServiceException;
12
13		import javax.imageio.ImageIO;
14		import javax.servlet.Servlet;
15		import javax.servlet.ServletException;
16		import javax.servlet.ServletOutputStream;
17		import javax.servlet.http.HttpServlet;
18		import javax.servlet.http.HttpServletRequest;
19		import javax.servlet.http.HttpServletResponse;
20		import java.awt.image.BufferedImage;
21		import java.io.IOException;
22
23		/**
24		* @author mag
25		* @Date 14 févr. 2009
26		*/
27		public class SimpleImageCaptchaServlet extends HttpServlet implements Servlet
28		{
29		public static ImageCaptchaService service= new DefaultManageableImageCaptchaService();
30
31
32
33	0	@Override
34		protected void doGet(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws ServletException, IOException {
35		// Set to expire far in the past.
36	0	httpServletResponse.setDateHeader("Expires", 0);
37		// Set standard HTTP/1.1 no-cache headers.
38	0	httpServletResponse.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
39		// Set IE extended HTTP/1.1 no-cache headers (use addHeader).
40	0	httpServletResponse.addHeader("Cache-Control", "post-check=0, pre-check=0");
41		// Set standard HTTP/1.0 no-cache header.
42	0	httpServletResponse.setHeader("Pragma", "no-cache");
43
44		// return a jpeg
45	0	httpServletResponse.setContentType("image/jpeg");
46
47
48		// create the image with the text
49	0	BufferedImage bi = service.getImageChallengeForID(httpServletRequest.getSession(true).getId());
50
51	0	ServletOutputStream out = httpServletResponse.getOutputStream();
52
53		// write the data out
54	0	ImageIO.write(bi, "jpg", out);
55	0	try
56		{
57	0	out.flush();
58		}
59		finally
60		{
61	0	out.close();
62		}
63		}
64
65
66	0	public static boolean validateResponse(HttpServletRequest request, String userCaptchaResponse){
67		//if no session found
68	0	if(request.getSession(false)==null)return false;
69		//else use service and session id to validate
70	0	boolean validated = false;
71	0	try {
72	0	validated = service.validateResponseForID(request.getSession().getId(),userCaptchaResponse);
73		} catch (CaptchaServiceException e) {
74		//do nothing.. false
75		}
76	0	return validated;
77		}
78		}