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/*******************************************************************************
 **
 ** smolbote: yet another qute browser
 ** Copyright (C) 2017  Xian Nox
 **
 ** 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 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 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 "filterrule.h"

FilterRule::FilterRule(const QString firstPartyUrl, const QString requestUrl, ResourceRules rules, bool shouldBlock, QObject *parent) :
    QObject(parent)
{
    m_firstPartyUrl.setPattern(firstPartyUrl);
    m_requestUrl.setPattern(requestUrl);
    m_rules = rules;
    m_shouldBlock = shouldBlock;

    m_valid = true;

#ifdef DEBUG_VERBOSE
    qDebug("Created rule [%s] [%s]", qUtf8Printable(firstPartyUrl), qUtf8Printable(requestUrl));
#endif

}

bool FilterRule::hasMatch(const QWebEngineUrlRequestInfo &info)
{
    if(m_firstPartyUrl.hasMatch(info.firstPartyUrl().toString()) && m_requestUrl.hasMatch(info.requestUrl().toString())) {
        return true;
    } else {
        return false;
    }
}

bool FilterRule::shouldBlock(const QWebEngineUrlRequestInfo &info)
{
    if(!m_valid) {
        return false;
    }

    // Check options
    switch (info.resourceType()) {
    case QWebEngineUrlRequestInfo::ResourceTypeMainFrame:
        return testFlag(MainFrame);
    case QWebEngineUrlRequestInfo::ResourceTypeSubFrame:
        return testFlag(SubFrame);
    case QWebEngineUrlRequestInfo::ResourceTypeStylesheet:
        return testFlag(Stylesheet);
    case QWebEngineUrlRequestInfo::ResourceTypeScript:
        return testFlag(Script);
    case QWebEngineUrlRequestInfo::ResourceTypeImage:
        return testFlag(Image);
    case QWebEngineUrlRequestInfo::ResourceTypeFontResource:
        return testFlag(FontResource);
    case QWebEngineUrlRequestInfo::ResourceTypeSubResource:
        return testFlag(SubResource);
    case QWebEngineUrlRequestInfo::ResourceTypeObject:
        return testFlag(Object);
    case QWebEngineUrlRequestInfo::ResourceTypeMedia:
        return testFlag(Media);
    case QWebEngineUrlRequestInfo::ResourceTypeWorker:
        return testFlag(Worker);
    case QWebEngineUrlRequestInfo::ResourceTypeSharedWorker:
        return testFlag(SharedWorker);
    case QWebEngineUrlRequestInfo::ResourceTypePrefetch:
        return testFlag(Prefetch);
    case QWebEngineUrlRequestInfo::ResourceTypeFavicon:
        return testFlag(Favicon);
    case QWebEngineUrlRequestInfo::ResourceTypeXhr:
        return testFlag(Xhr);
    case QWebEngineUrlRequestInfo::ResourceTypePing:
        return testFlag(Ping);
    case QWebEngineUrlRequestInfo::ResourceTypeServiceWorker:
        return testFlag(ServiceWorker);
    case QWebEngineUrlRequestInfo::ResourceTypeCspReport:
        return testFlag(CspReport);
    case QWebEngineUrlRequestInfo::ResourceTypePluginResource:
        return testFlag(PluginResource);
    case QWebEngineUrlRequestInfo::ResourceTypeUnknown:
        break;
    }

    return m_shouldBlock;

}

bool FilterRule::isValid()
{
    return m_valid;
}

QString FilterRule::filter() const
{
    return "'" + m_firstPartyUrl.pattern() + "' | '" + m_requestUrl.pattern() + "'";
}

bool FilterRule::testFlag(ResourceType flag)
{
    if(m_rules.allowed.testFlag(flag)) {
        return false;
    } else if(m_rules.blocked.testFlag(flag)) {
        return true;
    } else {
        return m_shouldBlock;
    }
}