aboutsummaryrefslogtreecommitdiff
path: root/src/java/com/juick/http/www/Login.java
blob: 3cf4a318e065a33f976285007612892b7b6311af (plain) (blame)
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
130
131
132
133
/*
 * 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);

            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(request, out, locale, visitor);
        } 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(365 * 24 * 60 * 60);
            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(365 * 24 * 60 * 60);
            response.addCookie(c);

            String referer = request.getHeader("Referer");
            if (referer != null && referer.startsWith("http://juick.com/") && !referer.equals("http://juick.com/login")) {
                response.sendRedirect(referer);
            } else {
                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("/");
    }
}