tdesktop/Telegram/SourceFiles/base/qthelp_url.cpp

96 lines
2.6 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "base/qthelp_url.h"
namespace qthelp {
namespace {
QRegularExpression RegExpProtocol() {
static const auto result = QRegularExpression("^([a-zA-Z]+)://");
return result;
}
bool IsGoodProtocol(const QString &protocol) {
const auto equals = [&](QLatin1String string) {
return protocol.compare(string, Qt::CaseInsensitive) == 0;
};
return equals(qstr("http"))
|| equals(qstr("https"))
|| equals(qstr("tg"));
}
} // namespace
QMap<QString, QString> url_parse_params(
const QString &params,
UrlParamNameTransform transform) {
auto result = QMap<QString, QString>();
const auto transformParamName = [transform](const QString &name) {
if (transform == UrlParamNameTransform::ToLower) {
return name.toLower();
}
return name;
};
for (const auto &param : params.split('&')) {
// Skip params without a name (starting with '=').
if (auto separatorPosition = param.indexOf('=')) {
const auto paramName = transformParamName(
(separatorPosition > 0)
? param.mid(0, separatorPosition)
: param);
const auto paramValue = (separatorPosition > 0)
? url_decode(param.mid(separatorPosition + 1))
: QString();
if (!result.contains(paramName)) {
result.insert(paramName, paramValue);
}
}
}
return result;
}
bool is_ipv6(const QString &ip) {
//static const auto regexp = QRegularExpression("^[a-fA-F0-9:]+$");
//return regexp.match(ip).hasMatch();
return ip.indexOf('.') < 0 && ip.indexOf(':') >= 0;
}
QString url_append_query_or_hash(const QString &url, const QString &add) {
const auto query = url.lastIndexOf('?');
if (query < 0) {
return url + '?' + add;
}
const auto hash = url.lastIndexOf('#');
return url
+ (query >= 0 && query > url.lastIndexOf('#') ? '&' : '?')
+ add;
}
QString validate_url(const QString &value) {
const auto trimmed = value.trimmed();
if (trimmed.isEmpty()) {
return QString();
}
const auto match = TextUtilities::RegExpDomainExplicit().match(trimmed);
if (!match.hasMatch()) {
const auto domain = TextUtilities::RegExpDomain().match(trimmed);
if (!domain.hasMatch() || domain.capturedStart() != 0) {
return QString();
}
return qstr("http://") + trimmed;
} else if (match.capturedStart() != 0) {
return QString();
}
const auto protocolMatch = RegExpProtocol().match(trimmed);
Assert(protocolMatch.hasMatch());
return IsGoodProtocol(protocolMatch.captured(1)) ? trimmed : QString();
}
} // namespace qthelp