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Diffstat (limited to 'src/adblock/adblockrule.cpp')
| -rw-r--r-- | src/adblock/adblockrule.cpp | 173 |
1 files changed, 0 insertions, 173 deletions
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 .* - ; -} |