diff options
Diffstat (limited to 'src/adblock')
| -rw-r--r-- | src/adblock/adblockmanager.cpp | 38 | ||||
| -rw-r--r-- | src/adblock/adblockmanager.h | 6 | ||||
| -rw-r--r-- | src/adblock/adblockrule.cpp | 173 | ||||
| -rw-r--r-- | src/adblock/adblockrule.h | 82 | ||||
| -rw-r--r-- | src/adblock/khtml_filter.cpp | 266 | ||||
| -rw-r--r-- | src/adblock/khtml_filter_p.h | 79 |
6 files changed, 1 insertions, 643 deletions
diff --git a/src/adblock/adblockmanager.cpp b/src/adblock/adblockmanager.cpp index a0bc4e00..b25edcb1 100644 --- a/src/adblock/adblockmanager.cpp +++ b/src/adblock/adblockmanager.cpp @@ -28,9 +28,6 @@ #include "adblockmanager.moc" -// Local Includes -#include "adblockrule.h" - // KDE Includes #include <KSharedConfig> #include <KConfigGroup> @@ -56,43 +53,10 @@ AdBlockManager::~AdBlockManager() void AdBlockManager::loadSettings() { - KSharedConfig::Ptr config = KSharedConfig::openConfig("khtmlrc", KConfig::NoGlobals); - KConfigGroup cg( config, "Filter Settings" ); - - if ( cg.exists() ) - { - _isAdblockEnabled = cg.readEntry("Enabled", false); - _isHideAdsEnabled = cg.readEntry("Shrink", false); - - _adBlackList.clear(); - _adWhiteList.clear(); - - QMap<QString,QString> entryMap = cg.entryMap(); - QMap<QString,QString>::ConstIterator it; - for( it = entryMap.constBegin(); it != entryMap.constEnd(); ++it ) - { - QString name = it.key(); - QString url = it.value(); - - if (name.startsWith(QLatin1String("Filter"))) - { - if (url.startsWith(QLatin1String("@@"))) - _adWhiteList.addFilter(url); - else - _adBlackList.addFilter(url); - } - } - } } bool AdBlockManager::isUrlAllowed(const QUrl &url) { - if (!_isAdblockEnabled) - return true; - - QString urlString = QString::fromUtf8(url.toEncoded()); - - // Check the blacklist, and only if that matches, the whitelist - return _adBlackList.isUrlMatched(urlString) && !_adWhiteList.isUrlMatched(urlString); + return true; } diff --git a/src/adblock/adblockmanager.h b/src/adblock/adblockmanager.h index a57e3020..10f72366 100644 --- a/src/adblock/adblockmanager.h +++ b/src/adblock/adblockmanager.h @@ -29,9 +29,6 @@ #define ADBLOCK_MANAGER_H -// Local Includes -#include "khtml_filter_p.h" - // Qt Includes #include <QObject> #include <QStringList> @@ -54,9 +51,6 @@ public: private: bool _isAdblockEnabled; bool _isHideAdsEnabled; - - khtml::FilterSet _adBlackList; - khtml::FilterSet _adWhiteList; }; #endif diff --git a/src/adblock/adblockrule.cpp b/src/adblock/adblockrule.cpp deleted file mode 100644 index 870ad825..00000000 --- a/src/adblock/adblockrule.cpp +++ /dev/null @@ -1,173 +0,0 @@ -/* - * 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) 2009 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/>. - * - * ============================================================ */ - - -#include "adblockrule.h" - -#include <QDebug> -#include <QRegExp> -#include <QUrl> - - -AdBlockRule::AdBlockRule(const QString &filter) - : m_cssRule(false) - , m_exceptionRule(false) - , m_enabledRule(true) -{ - bool isRegExpRule = false; - - if (filter.startsWith(QLatin1String("!")) || filter.trimmed().isEmpty()) - m_enabledRule = false; - - if (filter.contains(QLatin1String("##"))) - m_cssRule = true; - - QString parsedLine = filter; - if (parsedLine.startsWith(QLatin1String("@@"))) - { - m_exceptionRule = true; - parsedLine = parsedLine.mid(2); - } - - if (parsedLine.startsWith(QLatin1Char('/'))) - { - if (parsedLine.endsWith(QLatin1Char('/'))) - { - parsedLine = parsedLine.mid(1); - parsedLine = parsedLine.left(parsedLine.size() - 1); - isRegExpRule = true; - } - } - - int options = parsedLine.indexOf(QLatin1String("$"), 0); - if (options >= 0) - { - m_options = parsedLine.mid(options + 1).split(QLatin1Char(',')); - parsedLine = parsedLine.left(options); - } - - if(!isRegExpRule) - parsedLine = convertPatternToRegExp(parsedLine); - m_regExp = QRegExp(parsedLine, Qt::CaseInsensitive, QRegExp::RegExp2); - - if (m_options.contains(QLatin1String("match-case"))) - { - m_regExp.setCaseSensitivity(Qt::CaseSensitive); - m_options.removeOne(QLatin1String("match-case")); - } -} - - -// here return false means that rule doesn't match, -// so that url is allowed -// return true means "matched rule", so stop url! -bool AdBlockRule::match(const QString &encodedUrl) const -{ - if (m_cssRule) - return false; - - if (!m_enabledRule) - return false; - - bool matched = m_regExp.indexIn(encodedUrl) != -1; - - if (matched && !m_options.isEmpty()) - { - // we only support domain right now - if (m_options.count() == 1) - { - foreach (const QString &option, m_options) - { - if (option.startsWith(QLatin1String("domain="))) - { - QUrl url = QUrl::fromEncoded(encodedUrl.toUtf8()); - QString host = url.host(); - QStringList domainOptions = option.mid(7).split(QLatin1Char('|')); - foreach (QString domainOption, domainOptions) - { - bool negate = domainOption.at(0) == QLatin1Char('~'); - if (negate) - domainOption = domainOption.mid(1); - bool hostMatched = domainOption == host; - if (hostMatched && !negate) - return true; - if (!hostMatched && negate) - return true; - } - } - } - } - return false; - } - - return matched; -} - - -QString AdBlockRule::convertPatternToRegExp(const QString &wildcardPattern) -{ - QString pattern = wildcardPattern; - return pattern.replace(QRegExp(QLatin1String("\\*+")), QLatin1String("*")) // remove multiple wildcards - .replace(QRegExp(QLatin1String("\\^\\|$")), QLatin1String("^")) // remove anchors following separator placeholder - .replace(QRegExp(QLatin1String("^(\\*)")), QLatin1String("")) // remove leading wildcards - .replace(QRegExp(QLatin1String("(\\*)$")), QLatin1String("")) // remove trailing wildcards - .replace(QRegExp(QLatin1String("(\\W)")), QLatin1String("\\\\1")) // escape special symbols - .replace(QRegExp(QLatin1String("^\\\\\\|\\\\\\|")), - QLatin1String("^[\\w\\-]+:\\/+(?!\\/)(?:[^\\/]+\\.)?")) // process extended anchor at expression start - .replace(QRegExp(QLatin1String("\\\\\\^")), - QLatin1String("(?:[^\\w\\d\\-.%]|$)")) // process separator placeholders - .replace(QRegExp(QLatin1String("^\\\\\\|")), QLatin1String("^")) // process anchor at expression start - .replace(QRegExp(QLatin1String("\\\\\\|$")), QLatin1String("$")) // process anchor at expression end - .replace(QRegExp(QLatin1String("\\\\\\*")), QLatin1String(".*")) // replace wildcards by .* - ; -} diff --git a/src/adblock/adblockrule.h b/src/adblock/adblockrule.h deleted file mode 100644 index 3f1bd8bf..00000000 --- a/src/adblock/adblockrule.h +++ /dev/null @@ -1,82 +0,0 @@ -/* - * 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) 2009 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/>. - * - * ============================================================ */ - - -#ifndef ADBLOCKRULE_H -#define ADBLOCKRULE_H - -// Qt Includes -#include <QStringList> - -// Forward Includes -class QUrl; -class QRegExp; - - -class AdBlockRule -{ -public: - AdBlockRule(const QString &filter); - - bool match(const QString &encodedUrl) const; - -private: - QString convertPatternToRegExp(const QString &wildcardPattern); - - bool m_cssRule; - bool m_exceptionRule; - bool m_enabledRule; - QRegExp m_regExp; - QStringList m_options; -}; - -#endif // ADBLOCKRULE_H diff --git a/src/adblock/khtml_filter.cpp b/src/adblock/khtml_filter.cpp deleted file mode 100644 index f258d1e7..00000000 --- a/src/adblock/khtml_filter.cpp +++ /dev/null @@ -1,266 +0,0 @@ -/* This file is part of the KDE project - - Copyright (C) 2005 Ivor Hewitt <ivor@kde.org> - Copyright (C) 2008 Maksim Orlovich <maksim@kde.org> - Copyright (C) 2008 Vyacheslav Tokarev <tsjoker@gmail.com> - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#include "khtml_filter_p.h" -#include <QDebug> - -// rolling hash parameters -#define HASH_P (1997) -#define HASH_Q (17509) -// HASH_MOD = (HASH_P^7) % HASH_Q -#define HASH_MOD (523) - -namespace khtml { - -void FilterSet::addFilter(const QString& filterStr) -{ - QString filter = filterStr; - - if (filter.startsWith(QLatin1Char('!'))) - return; - - // Strip leading @@ - int first = 0; - int last = filter.length() - 1; - if (filter.startsWith(QLatin1String("@@"))) - first = 2; - - // Strip options, we ignore them for now. - int dollar = filter.lastIndexOf(QLatin1Char('$')); - if (dollar != -1) - last = dollar - 1; - - // Perhaps nothing left? - if (first > last) - return; - - filter = filter.mid(first, last - first + 1); - - // Is it a regexp filter? - if (filter.length()>2 && filter.startsWith(QLatin1Char('/')) && filter.endsWith(QLatin1Char('/'))) - { - QString inside = filter.mid(1, filter.length()-2); - QRegExp rx(inside); - reFilters.append(rx); -// qDebug() << "R:" << inside; - } - else - { - // Nope, a wildcard one. - // Note: For these, we also need to handle |. - - // Strip wildcards at the ends - first = 0; - last = filter.length() - 1; - - while (first < filter.length() && filter[first] == QLatin1Char('*')) - ++first; - - while (last >= 0 && filter[last] == QLatin1Char('*')) - --last; - - if (first > last) - filter = QLatin1String("*"); // erm... Well, they asked for it. - else - filter = filter.mid(first, last - first + 1); - - // Now, do we still have any wildcard stuff left? - if (filter.contains("*") || filter.contains("?")) - { -// qDebug() << "W:" << filter; - // check if we can use RK first (and then check full RE for the rest) for better performance - int aPos = filter.indexOf('*'); - if (aPos < 0) - aPos = filter.length(); - int qPos = filter.indexOf('?'); - if (qPos < 0) - qPos = filter.length(); - int pos = qMin(aPos, qPos); - if (pos > 7) { - QRegExp rx; - - rx.setPatternSyntax(QRegExp::Wildcard); - rx.setPattern(filter.mid(pos)); - - stringFiltersMatcher.addWildedString(filter.mid(0, pos), rx); - - } else { - QRegExp rx; - - rx.setPatternSyntax(QRegExp::Wildcard); - rx.setPattern(filter); - reFilters.append(rx); - } - } - else - { - // Fast path - stringFiltersMatcher.addString(filter); - } - } -} - -bool FilterSet::isUrlMatched(const QString& url) -{ - if (stringFiltersMatcher.isMatched(url)) - return true; - - for (int c = 0; c < reFilters.size(); ++c) - { - if (url.contains(reFilters[c])) - return true; - } - - return false; -} - -void FilterSet::clear() -{ - reFilters.clear(); - stringFiltersMatcher.clear(); -} - - -void StringsMatcher::addString(const QString& pattern) -{ - if (pattern.length() < 8) { - // handle short string differently - shortStringFilters.append(pattern); - } else { - // use modified Rabin-Karp's algorithm with 8-length string hash - // i.e. store hash of first 8 chars in the HashMap for fast look-up - stringFilters.append(pattern); - int ind = stringFilters.size() - 1; - int current = 0; - - // compute hash using rolling hash - // hash for string: x0,x1,x2...xn-1 will be: - // (p^(n-1)*x0 + p^(n-2)*x1 + ... + p * xn-2 + xn-1) % q - // where p and q some wisely-chosen integers - /*for (int k = 0; k < 8; ++k)*/ - int len = pattern.length(); - for (int k = len - 8; k < len; ++k) - current = (current * HASH_P + pattern[k].unicode()) % HASH_Q; - - // insert computed hash value into HashMap - QHash<int, QVector<int> >::iterator it = stringFiltersHash.find(current + 1); - if (it == stringFiltersHash.end()) { - QVector<int> list; - list.append(ind); - stringFiltersHash.insert(current + 1, list); - fastLookUp.setBit(current); - } else { - it.value().append(ind); - } - } -} - -void StringsMatcher::addWildedString(const QString& prefix, const QRegExp& rx) -{ - rePrefixes.append(prefix); - reFilters.append(rx); - int index = -rePrefixes.size(); - - int current = 0; - for (int k = 0; k < 8; ++k) - current = (current * HASH_P + prefix[k].unicode()) % HASH_Q; - - // insert computed hash value into HashMap - QHash<int, QVector<int> >::iterator it = stringFiltersHash.find(current + 1); - if (it == stringFiltersHash.end()) { - QVector<int> list; - list.append(index); - stringFiltersHash.insert(current + 1, list); - fastLookUp.setBit(current); - } else { - it.value().append(index); - } -} - -bool StringsMatcher::isMatched(const QString& str) const -{ - // check short strings first - for (int i = 0; i < shortStringFilters.size(); ++i) { - if (str.contains(shortStringFilters[i])) - return true; - } - - int len = str.length(); - int k; - - int current = 0; - int next = 0; - // compute hash for first 8 characters - for (k = 0; k < 8 && k < len; ++k) - current = (current * HASH_P + str[k].unicode()) % HASH_Q; - - QHash<int, QVector<int> >::const_iterator hashEnd = stringFiltersHash.end(); - // main Rabin-Karp's algorithm loop - for (k = 7; k < len; ++k, current = next) { - // roll the hash if not at the end - // (calculate hash for the next iteration) - if (k + 1 < len) - next = (HASH_P * ((current + HASH_Q - ((HASH_MOD * str[k - 7].unicode()) % HASH_Q)) % HASH_Q) + str[k + 1].unicode()) % HASH_Q; - - if (!fastLookUp.testBit(current)) - continue; - - // look-up the hash in the HashMap and check all strings - QHash<int, QVector<int> >::const_iterator it = stringFiltersHash.find(current + 1); - - // check possible strings - if (it != hashEnd) { - for (int j = 0; j < it.value().size(); ++j) { - int index = it.value()[j]; - // check if we got simple string or REs prefix - if (index >= 0) { - int flen = stringFilters[index].length(); - if (k - flen + 1 >= 0 && stringFilters[index] == str.midRef(k - flen + 1 , flen)) - return true; - } else { - index = -index - 1; - int flen = rePrefixes[index].length(); - if (k - 8 + flen < len && rePrefixes[index] == str.midRef(k - 7, flen) && - str.indexOf(reFilters[index], k - 7 + flen) == k - 7 + flen) - return true; - } - } - } - } - - return false; -} - -void StringsMatcher::clear() -{ - stringFilters.clear(); - shortStringFilters.clear(); - reFilters.clear(); - rePrefixes.clear(); - stringFiltersHash.clear(); - fastLookUp.resize(HASH_Q); - fastLookUp.fill(0, 0, HASH_Q); -} - -} - -// kate: indent-width 4; replace-tabs on; tab-width 4; space-indent on; diff --git a/src/adblock/khtml_filter_p.h b/src/adblock/khtml_filter_p.h deleted file mode 100644 index 4490bbd8..00000000 --- a/src/adblock/khtml_filter_p.h +++ /dev/null @@ -1,79 +0,0 @@ -/* This file is part of the KDE project - - Copyright (C) 2005 Ivor Hewitt <ivor@kde.org> - Copyright (C) 2008 Maksim Orlovich <maksim@kde.org> - Copyright (C) 2008 Vyacheslav Tokarev <tsjoker@gmail.com> - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#ifndef KHTML_FILTER_P_H -#define KHTML_FILTER_P_H - -#include <QString> -#include <QRegExp> -#include <QVector> -#include <QHash> -#include <QBitArray> - -namespace khtml { - -// Updateable Multi-String Matcher based on Rabin-Karp's algorithm -class StringsMatcher { -public: - // add filter to matching set - void addString(const QString& pattern); - - // check if string match at least one string from matching set - bool isMatched(const QString& str) const; - - // add filter to matching set with wildcards (*,?) in it - void addWildedString(const QString& prefix, const QRegExp& rx); - - void clear(); - -private: - QVector<QString> stringFilters; - QVector<QString> shortStringFilters; - QVector<QRegExp> reFilters; - QVector<QString> rePrefixes; - QBitArray fastLookUp; - - QHash<int, QVector<int> > stringFiltersHash; -}; - -// This represents a set of filters that may match URLs. -// Currently it supports a subset of AddBlock Plus functionality. -class FilterSet { -public: - // Parses and registers a filter. This will also strip @@ for exclusion rules, skip comments, etc. - // The user does have to split black and white lists into separate sets, however - void addFilter(const QString& filter); - - bool isUrlMatched(const QString& url); - - void clear(); - -private: - QVector<QRegExp> reFilters; - StringsMatcher stringFiltersMatcher; -}; - -} - -#endif // KHTML_FILTER_P_H - -// kate: indent-width 4; replace-tabs on; tab-width 4; space-indent on; |