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