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#include "filterdomain.h"
#include <QVector>
bool isMatchingDomain(const QString &domain, const QString &filter)
{
// domain and filter are the same
if(domain == filter) {
return true;
}
// domain can't be matched by filter if it doesn't end with filter
// ex. example2.com isn't matched by example.com
if(!domain.endsWith(filter)) {
return false;
}
// match with subdomains
// ex. subdomain.example.com is matched by example.com
int index = domain.indexOf(filter);
// match if (domain ends with filter) && (filter has been found) and (character before filter is '.')
return index > 0 && domain[index - 1] == QLatin1Char('.');
}
FilterDomain::FilterDomain(MatchType type, QObject *parent)
: QObject(parent)
{
setType(type);
}
void FilterDomain::setType(MatchType type)
{
m_type = type;
}
void FilterDomain::addDomain(const QString &domain)
{
if(!domain.isEmpty())
m_domains.append(domain);
}
bool FilterDomain::hasMatch(const QString &host) const
{
// match all domains -> this rule applies to all domains
if(m_type == WhitelistAll)
return true;
// match no domains -> this rule applies to no domains
if(m_type == BlacklistAll)
return false;
// is this a whitelist or blacklist domain rule?
// should it apply to added domains or not
const bool whitelist = (m_type == Whitelist);
for(const auto &domain : qAsConst(m_domains)) {
if(isMatchingDomain(host, domain))
return whitelist;
}
return !whitelist;
}
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