blob: 3a8c7620d7f0125e01fb83e74f8f051ba3379ad7 (
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
|
/*
* Copyright (C) 2008-2020, Juick
*
* 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.util;
import javax.servlet.http.HttpServletRequest;
import java.util.Optional;
import java.util.regex.Pattern;
/**
* Created by aalexeev on 11/28/16.
*/
public class WebUtils {
private WebUtils() {
throw new IllegalStateException();
}
private static final Pattern USER_NAME_PATTERN = Pattern.compile("[a-zA-Z-_\\d]{2,16}");
private static final Pattern POST_NUMBER_PATTERN = Pattern.compile("-?\\d+");
private static final Pattern JID_PATTERN = Pattern.compile("^[a-zA-Z0-9\\\\-\\\\_\\\\@\\\\.]{6,64}$");
public static boolean isPostNumber(final String aString) {
return aString != null && POST_NUMBER_PATTERN.matcher(aString).matches();
}
public static boolean isNotPostNumber(final String aString) {
return !isPostNumber(aString);
}
public static boolean isUserName(final String aString) {
return aString != null && USER_NAME_PATTERN.matcher(aString).matches();
}
public static boolean isNotUserName(final String aString) {
return !isUserName(aString);
}
public static boolean isJid(final String aString) {
return aString != null && JID_PATTERN.matcher(aString).matches();
}
public static boolean isNotJid(final String aString) {
return !isJid(aString);
}
public static String encodeSphinx(String str) {
return str.replaceAll("@", "\\\\@")
.replaceAll("\\'", "\\\\'")
.replaceAll("=", "\\\\\\\\=");
}
/**
* Returns the viewName to return for coming back to the sender url
*
* @param request Instance of {@link HttpServletRequest} or use an injected instance
* @return Optional with the view name. Recomended to use an alternativa url with
* {@link Optional#orElse(java.lang.Object)}
*/
public static Optional<String> getPreviousPageByRequest(HttpServletRequest request)
{
return Optional.ofNullable(request.getHeader("Referer"));
}
}
|
