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lukaspili/AuthenticateFilter.java

Created November 28, 2011 14:29
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Supinfo Clermont Ferrand SupCommerce
Raw
addProduct.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>SupCommerce - Ajouter un produit</title>
</head>
<body>
<%@ include file="/template/header.jsp" %>
<h1>Ajouter un produit</h1>
<% if(request.getAttribute("isErrors") != null) { %>
<p style="color:red">Des erreurs sont présentes sur le formulaire !</p>
<% } %>
<form action="<%= application.getContextPath() %>/auth/addProduct" method="POST">
<p>
<label for="name">Nom : </label>
<input type="text" id="name" name="name" />
</p>
<p>
<label for="content">Contenu : </label> <br />
<textarea id="content" name="content"></textarea>
</p>
<p>
<label for="price">Prix : </label>
<input type="text" id="price" name="price" />
</p>
<p>
<input type="submit" value="Add" />
</p>
</form>
<%@ include file="/template/footer.jsp" %>
</body>
</html>
Raw
AuthenticateFilter.java
package com.supinfo.supcommerce.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class AuthenticateFilter implements Filter {
@Override
public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws IOException,
ServletException {
HttpServletRequest httpReq = (HttpServletRequest) req;
HttpServletResponse httpRep = (HttpServletResponse) resp;
HttpSession session = httpReq.getSession();
if(session.getAttribute("login") == null) {
httpRep.sendRedirect(req.getServletContext().getContextPath() + "/login.html");
return;
}
chain.doFilter(req, resp);
}
@Override
public void destroy() {
// TODO Auto-generated method stub
}
@Override
public void init(FilterConfig arg0) throws ServletException {
// TODO Auto-generated method stub
}
}
Raw
InsertSomeProductServlet.java
package com.supinfo.supcommerce.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.supinfo.sun.supcommerce.bo.SupProduct;
import com.supinfo.sun.supcommerce.doa.SupProductDao;
public class InsertSomeProductServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
SupProduct product = new SupProduct();
product.setName("Foo");
product.setContent("Bar");
product.setPrice(10);
SupProductDao.addProduct(product);
resp.setContentType("text/html");
resp.getWriter().println("Le produit a été ajouté !");
}
}
Raw
listProduct.jsp
<%@page import="com.supinfo.sun.supcommerce.doa.SupProductDao"%>
<%@page import="com.supinfo.sun.supcommerce.bo.SupProduct"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>SupCommerce - Liste des produits</title>
</head>
<body>
<%@ include file="/template/header.jsp" %>
<h2>Liste des produits</h2>
<% for(SupProduct product : SupProductDao.getAllProducts()) { %>
<p>
<strong><%= product.getName() %></strong> <br />
<%= product.getContent() %> <br />
<%= product.getPrice() %> euros <br />
<a href="showProduct.jsp?id=<%= product.getId() %>">Voir en détail</a>
</p>
<% } %>
<%@ include file="/template/footer.jsp" %>
</body>
</html>
Raw
ListProductServlet.java
package com.supinfo.supcommerce.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.supinfo.sun.supcommerce.bo.SupProduct;
import com.supinfo.sun.supcommerce.doa.SupProductDao;
public class ListProductServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
showList(req, resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
showList(req, resp);
}
private void showList(HttpServletRequest req, HttpServletResponse resp) throws IOException {
resp.setContentType("text/html");
PrintWriter out = resp.getWriter();
out.println("<h1>Liste des produits</h1>");
out.println("<p><a href=\"auth/basicInsert\">Ajouter un nouveau produit</a></p>");
for (SupProduct product : SupProductDao.getAllProducts()) {
out.println("<p>");
out.println("Name : <a href=\"showProduct?id=" + product.getId() + "\">" + product.getName() + "</a><br />");
out.println("Content : " + product.getName() + "<br />");
out.println("Price : " + product.getName());
out.println("</p>");
}
}
}
Raw
login.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>SupCommerce login</title>
</head>
<body>
<h1>Login</h1>
<form action="login" method="post">
<label for="login">Login :</label> <input id="login" type="text"
name="login" /> <br />
<label for="password">Password :</label> <input
id="password" type="password" name="password" /> <br />
<input type="submit" value="Login" />
</form>
</body>
</html>
Raw
LoginServlet.java
package com.supinfo.supcommerce.servlet;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class LoginServlet extends HttpServlet {
private static final String LOGIN = "foo";
private static final String PASSWORD = "bar";
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String login = req.getParameter("login");
String password = req.getParameter("password");
if (!LOGIN.equalsIgnoreCase(login) || !PASSWORD.equals(password)) {
resp.sendRedirect("login.html");
return;
}
req.getSession().setAttribute("login", login);
resp.sendRedirect(req.getContextPath());
}
}
Raw
showProduct.jsp
<%@page import="com.supinfo.sun.supcommerce.exception.UnknownProductException"%>
<%@page import="com.supinfo.sun.supcommerce.doa.SupProductDao"%>
<%@page import="com.supinfo.sun.supcommerce.bo.SupProduct"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>SupCommerce - Détail d'un produit</title>
</head>
<body>
<% String idParam = request.getParameter("id"); %>
<% long id = 0;
try {
id = Long.valueOf(idParam);
} catch (NumberFormatException e) {
response.sendRedirect("listProduct.jsp");
return;
} %>
<% SupProduct product = null;
try {
product = SupProductDao.findProductById(id);
} catch (UnknownProductException e) {
response.sendRedirect("listProduct.jsp");
return;
} %>
<%@ include file="/template/header.jsp" %>
<h2><%= product.getName() %></h2>
<p>
<%= product.getContent() %> <br />
<%= product.getPrice() %> euros <br />
</p>
<%@ include file="/template/footer.jsp" %>
</body>
</html>
Raw
ShowProductServlet.java
package com.supinfo.supcommerce.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.supinfo.sun.supcommerce.bo.SupProduct;
import com.supinfo.sun.supcommerce.doa.SupProductDao;
import com.supinfo.sun.supcommerce.exception.UnknownProductException;
public class ShowProductServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
resp.setContentType("text/html");
PrintWriter out = resp.getWriter();
String idParam = req.getParameter("id");
long id;
try {
id = Long.valueOf(idParam);
} catch (NumberFormatException e) {
out.println("<p>Id invalide !</p>");
return;
}
SupProduct product;
try {
product = SupProductDao.findProductById(id);
} catch (UnknownProductException e) {
out.println("<p>Le produit n'existe pas !</p>");
return;
}
out.println("<p>");
out.println("Name : " + product.getName() + "<br />");
out.println("Content : " + product.getName() + "<br />");
out.println("Price : " + product.getName());
out.println("</p>");
out.println("<p><a href=\"listProduct\">Retourner à la liste des produits</a></p>");
}
}
Raw
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
id="WebApp_ID" version="3.0">
<display-name>SupCommerceClermont</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- PUBLIC -->
<servlet>
<servlet-name>ListProductServlet</servlet-name>
<servlet-class>com.supinfo.supcommerce.servlet.ListProductServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ListProductServlet</servlet-name>
<url-pattern>/listProduct</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>ShowProductServlet</servlet-name>
<servlet-class>com.supinfo.supcommerce.servlet.ShowProductServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ShowProductServlet</servlet-name>
<url-pattern>/showProduct</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>LoginServlet</servlet-name>
<servlet-class>com.supinfo.supcommerce.servlet.LoginServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>LoginServlet</servlet-name>
<url-pattern>/login</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>LogoutServlet</servlet-name>
<servlet-class>com.supinfo.supcommerce.servlet.LogoutServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>LogoutServlet</servlet-name>
<url-pattern>/logout</url-pattern>
</servlet-mapping>
<!-- AUTH AREA -->
<servlet>
<servlet-name>AddProductServlet</servlet-name>
<servlet-class>com.supinfo.supcommerce.servlet.AddProductServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>AddProductServlet</servlet-name>
<url-pattern>/auth/addProduct</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>InsertSomeProductServlet</servlet-name>
<servlet-class>com.supinfo.supcommerce.servlet.InsertSomeProductServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>InsertSomeProductServlet</servlet-name>
<url-pattern>/auth/basicInsert</url-pattern>
</servlet-mapping>
<!-- FILTERS -->
<filter>
<filter-name>AuthenticateFilter</filter-name>
<filter-class>com.supinfo.supcommerce.filter.AuthenticateFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>AuthenticateFilter</filter-name>
<url-pattern>/auth/*</url-pattern>
</filter-mapping>
</web-app>
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