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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/*
* 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.server;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Random;
/**
*
* @author Ugnich Anton
*/
public class UserQueries {
static final String ABCDEF = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
public static com.juick.User getUserByNick(Connection sql, String username) {
com.juick.User user = null;
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT id,nick FROM users WHERE nick=?");
stmt.setString(1, username);
rs = stmt.executeQuery();
if (rs.first()) {
user = new com.juick.User();
user.UID = rs.getInt(1);
user.UName = rs.getString(2);
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
return user;
}
public static String getJIDbyUID(Connection sql, int UID) {
String jid = null;
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT jid FROM jids WHERE user_id=? AND active=1");
stmt.setInt(1, UID);
rs = stmt.executeQuery();
if (rs.first()) {
jid = rs.getString(1);
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
return jid;
}
public static int getUIDbyHash(Connection sql, String hash) {
int UID = 0;
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT user_id FROM logins WHERE hash=?");
stmt.setString(1, hash);
rs = stmt.executeQuery();
if (rs.first()) {
UID = rs.getInt(1);
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
return UID;
}
public static com.juick.User getUserByHash(Connection sql, String hash) {
com.juick.User user = null;
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT logins.user_id,users.nick FROM logins INNER JOIN users ON logins.user_id=users.id WHERE logins.hash=?");
stmt.setString(1, hash);
rs = stmt.executeQuery();
if (rs.first()) {
user = new com.juick.User();
user.UID = rs.getInt(1);
user.UName = rs.getString(2);
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
return user;
}
public static String getHashByUID(Connection sql, int uid) {
String hash = null;
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT logins.hash FROM logins WHERE user_id=?");
stmt.setInt(1, uid);
rs = stmt.executeQuery();
if (rs.first()) {
hash = rs.getString(2);
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
if (hash == null) {
hash = generateHash(16);
try {
stmt = sql.prepareStatement("INSERT INTO logins(user_id,hash) VALUES (?,?)");
stmt.setInt(1, uid);
stmt.setString(2, hash);
stmt.executeUpdate();
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(null, stmt);
}
}
return hash;
}
public static String generateHash(int len) {
Random rnd = new Random();
StringBuilder sb = new StringBuilder(len);
for (int i = 0; i < len; i++) {
sb.append(ABCDEF.charAt(rnd.nextInt(ABCDEF.length())));
}
return sb.toString();
}
public static int checkPassword(Connection sql, String username, String password) {
int uid = 0;
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT id,passw FROM users WHERE nick=?");
stmt.setString(1, username);
rs = stmt.executeQuery();
if (rs.first()) {
if (password.equals(rs.getString(2))) {
uid = rs.getInt(1);
} else {
uid = -1;
}
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
return uid;
}
public static int getUserOptionInt(Connection sql, int uid, String option, int defaultValue) {
int ret = defaultValue;
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT " + option + " FROM useroptions WHERE user_id=?");
stmt.setInt(1, uid);
rs = stmt.executeQuery();
if (rs.first()) {
ret = rs.getInt(1);
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
return ret;
}
public static void setUserOptionInt(Connection sql, int uid, String option, int value) {
PreparedStatement stmt = null;
try {
stmt = sql.prepareStatement("UPDATE useroptions SET " + option + "=? WHERE user_id=?");
stmt.setInt(1, value);
stmt.setInt(2, uid);
stmt.executeUpdate();
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(null, stmt);
}
}
}
|
