1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/*
* Juick
* Copyright (C) 2008-2011, Ugnich Anton
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.http.www;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Locale;
import java.util.ResourceBundle;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
*
* @author Ugnich Anton
*/
public class Login {
protected void doGetLoginForm(Connection sql, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
com.juick.User visitor = Utils.getVisitorUser(sql, request);
Locale locale = request.getLocale();
ResourceBundle rb = ResourceBundle.getBundle("Login", locale);
response.setContentType("text/html; charset=UTF-8");
PrintWriter out = response.getWriter();
try {
PageTemplates.pageHead(out, rb.getString("Login"), "");
PageTemplates.pageNavigation(out, locale, visitor);
PageTemplates.pageTitle(out, rb.getString("Login"));
out.println("<div id=\"wrapper\">");
out.println("<div id=\"content\">");
out.println("<form action=\"/login\" method=\"post\">");
out.println("<p>" + rb.getString("Username") + ": <input type=\"text\" name=\"username\"/></p>");
out.println("<p>" + rb.getString("Password") + ": <input type=\"password\" name=\"password\"/></p>");
out.println("<p><input type=\"submit\" value=\" OK \"/></p>");
out.println("</form>");
out.println("</div>");
out.println("</div>");
PageTemplates.pageFooter(out, locale);
} finally {
out.close();
}
}
protected void doGetLogin(Connection sql, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String hash = request.getQueryString();
if (hash.length() > 32) {
response.sendError(400);
return;
}
if (com.juick.server.UserQueries.getUIDbyHash(sql, hash) > 0) {
Cookie c = new Cookie("hash", hash);
c.setDomain(".juick.com");
c.setMaxAge(0);
response.addCookie(c);
response.sendRedirect("/");
} else {
response.sendError(403);
}
}
protected void doPostLogin(Connection sql, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String username = request.getParameter("username");
String password = request.getParameter("password");
if (username == null || password == null || username.length() > 32) {
response.sendError(400);
return;
}
int uid = com.juick.server.UserQueries.checkPassword(sql, username, password);
if (uid > 0) {
String hash = com.juick.server.UserQueries.getHashByUID(sql, uid);
Cookie c = new Cookie("hash", hash);
c.setDomain(".juick.com");
c.setMaxAge(0);
response.addCookie(c);
response.sendRedirect("/");
} else {
response.sendError(403);
}
}
protected void doGetLogout(Connection sql, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
int uid = Utils.getVisitorUID(sql, request);
if (uid > 0) {
PreparedStatement stmt = null;
try {
stmt = sql.prepareStatement("DELETE FROM logins WHERE user_id=?");
stmt.setInt(1, uid);
stmt.executeUpdate();
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(null, stmt);
}
}
Cookie c = new Cookie("hash", "-");
c.setDomain(".juick.com");
c.setMaxAge(0);
response.addCookie(c);
response.sendRedirect("/");
}
}
|