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
|
/*
* Copyright (c) 2009, Zsombor Gegesy <gzsombor@gmail.com>
* Copyright (c) 2009, Benjamin C. Meyer <ben@meyerhome.net>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Benjamin Meyer nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2010 by Andrea Diamantini <adjam7 at gmail dot com>
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ============================================================ */
// Self Includes
#include "adblockrule.h"
// Qt Includes
#include <QStringList>
#include <QDebug>
#include <QRegExp>
#include <QUrl>
// Defines
#define QL1S(x) QLatin1String(x)
#define QL1C(x) QLatin1Char(x)
AdBlockRule::AdBlockRule(const QString &filter)
: m_optionMatchRule(false)
{
bool isRegExpRule = false;
QString parsedLine = filter;
if (parsedLine.startsWith(QL1C('/')) && parsedLine.endsWith(QL1C('/')))
{
parsedLine = parsedLine.mid(1);
parsedLine = parsedLine.left(parsedLine.size() - 1);
isRegExpRule = true;
}
int optionsNumber = parsedLine.indexOf(QL1C('$'), 0);
QStringList options;
if (optionsNumber >= 0)
{
options = parsedLine.mid(optionsNumber + 1).split(QL1C(','));
parsedLine = parsedLine.left(optionsNumber);
}
if (!isRegExpRule)
parsedLine = convertPatternToRegExp(parsedLine);
m_regExp = QRegExp(parsedLine, Qt::CaseInsensitive, QRegExp::RegExp2);
if (options.contains(QL1S("match-case")))
{
m_regExp.setCaseSensitivity(Qt::CaseSensitive);
m_optionMatchRule = true;
}
}
// here return false means that rule doesn't match,
// so that url is allowed
// return true means "matched rule", so stop url!
bool AdBlockRule::match(const QString &encodedUrl) const
{
bool matched = m_regExp.indexIn(encodedUrl) != -1;
// TODO: Reimplement this in rekonq 0.5 :)
//
// if (matched && !m_options.isEmpty())
// {
// // we only support domain right now
// if (m_options.count() == 1)
// {
// foreach (const QString &option, m_options)
// {
// if (option.startsWith( QL1S("domain=") ))
// {
// QUrl url = QUrl::fromEncoded(encodedUrl.toUtf8());
// QString host = url.host();
// QStringList domainOptions = option.mid(7).split( QL1C('|') );
// foreach (QString domainOption, domainOptions)
// {
// bool negate = domainOption.at(0) == QL1C('~');
// if (negate)
// domainOption = domainOption.mid(1);
// bool hostMatched = domainOption == host;
// if (hostMatched && !negate)
// return true;
// if (!hostMatched && negate)
// return true;
// }
// }
// }
// }
// return false;
// }
return matched;
}
QString AdBlockRule::convertPatternToRegExp(const QString &wildcardPattern)
{
QString pattern = wildcardPattern;
// remove multiple wildcards
pattern.replace(QRegExp(QL1S("\\*+")), QL1S("*"));
// remove anchors following separator placeholder
pattern.replace(QRegExp(QL1S("\\^\\|$")), QL1S("^"));
// remove leading wildcards
pattern.replace(QRegExp(QL1S("^(\\*)")), QL1S(""));
// remove trailing wildcards
pattern.replace(QRegExp(QL1S("(\\*)$")), QL1S(""));
// escape special symbols
pattern.replace(QRegExp(QL1S("(\\W)")), QL1S("\\\\1"));
// process extended anchor at expression start
pattern.replace(QRegExp(QL1S("^\\\\\\|\\\\\\|")), QL1S("^[\\w\\-]+:\\/+(?!\\/)(?:[^\\/]+\\.)?"));
// process separator placeholders
pattern.replace(QRegExp(QL1S("\\\\\\^")), QL1S("(?:[^\\w\\d\\-.%]|$)"));
// process anchor at expression start
pattern.replace(QRegExp(QL1S("^\\\\\\|")), QL1S("^"));
// process anchor at expression end
pattern.replace(QRegExp(QL1S("\\\\\\|$")), QL1S("$"));
// replace wildcards by .*
pattern.replace(QRegExp(QL1S("\\\\\\*")), QL1S(".*"));
// Finally, return...
return pattern;
}
QString AdBlockRule::pattern() const
{
return m_regExp.pattern();
}
|
