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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef HTTPSSVC_h__
#define HTTPSSVC_h__
#include "nsIDNSByTypeRecord.h"
#include "mozilla/net/DNS.h"
#include "mozilla/Variant.h"
#include "mozilla/Maybe.h"
#include "nsHttp.h"
namespace mozilla {
namespace net {
class DNSHTTPSSVCRecordBase;
enum SvcParamKey : uint16_t {
SvcParamKeyMandatory = 0,
SvcParamKeyAlpn = 1,
SvcParamKeyNoDefaultAlpn = 2,
SvcParamKeyPort = 3,
SvcParamKeyIpv4Hint = 4,
SvcParamKeyEchConfig = 5,
SvcParamKeyIpv6Hint = 6,
SvcParamKeyODoHConfig = 32769,
};
inline bool IsValidSvcParamKey(uint16_t aKey) {
return aKey <= SvcParamKeyIpv6Hint || aKey == SvcParamKeyODoHConfig;
}
struct SvcParamAlpn {
bool operator==(const SvcParamAlpn& aOther) const {
return mValue == aOther.mValue;
}
CopyableTArray<nsCString> mValue;
};
struct SvcParamNoDefaultAlpn {
bool operator==(const SvcParamNoDefaultAlpn& aOther) const { return true; }
};
struct SvcParamPort {
bool operator==(const SvcParamPort& aOther) const {
return mValue == aOther.mValue;
}
uint16_t mValue;
};
struct SvcParamIpv4Hint {
bool operator==(const SvcParamIpv4Hint& aOther) const {
return mValue == aOther.mValue;
}
CopyableTArray<mozilla::net::NetAddr> mValue;
};
struct SvcParamEchConfig {
bool operator==(const SvcParamEchConfig& aOther) const {
return mValue == aOther.mValue;
}
nsCString mValue;
};
struct SvcParamIpv6Hint {
bool operator==(const SvcParamIpv6Hint& aOther) const {
return mValue == aOther.mValue;
}
CopyableTArray<mozilla::net::NetAddr> mValue;
};
struct SvcParamODoHConfig {
bool operator==(const SvcParamODoHConfig& aOther) const {
return mValue == aOther.mValue;
}
nsCString mValue;
};
using SvcParamType =
mozilla::Variant<Nothing, SvcParamAlpn, SvcParamNoDefaultAlpn, SvcParamPort,
SvcParamIpv4Hint, SvcParamEchConfig, SvcParamIpv6Hint,
SvcParamODoHConfig>;
struct SvcFieldValue {
bool operator==(const SvcFieldValue& aOther) const {
return mValue == aOther.mValue;
}
SvcFieldValue() : mValue(AsVariant(Nothing{})) {}
SvcParamType mValue;
};
struct SVCB {
bool operator==(const SVCB& aOther) const {
return mSvcFieldPriority == aOther.mSvcFieldPriority &&
mSvcDomainName == aOther.mSvcDomainName &&
mSvcFieldValue == aOther.mSvcFieldValue;
}
bool operator<(const SVCB& aOther) const;
Maybe<uint16_t> GetPort() const;
bool NoDefaultAlpn() const;
void GetIPHints(CopyableTArray<mozilla::net::NetAddr>& aAddresses) const;
nsTArray<std::tuple<nsCString, SupportedAlpnRank>> GetAllAlpn() const;
uint16_t mSvcFieldPriority = 0;
nsCString mSvcDomainName;
nsCString mEchConfig;
nsCString mODoHConfig;
bool mHasIPHints = false;
bool mHasEchConfig = false;
CopyableTArray<SvcFieldValue> mSvcFieldValue;
};
struct SVCBWrapper {
explicit SVCBWrapper(const SVCB& aRecord) : mRecord(aRecord) {}
Maybe<std::tuple<nsCString, SupportedAlpnRank>> mAlpn;
const SVCB& mRecord;
};
class SVCBRecord : public nsISVCBRecord {
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSISVCBRECORD
public:
explicit SVCBRecord(const SVCB& data)
: mData(data), mPort(Nothing()), mAlpn(Nothing()) {}
explicit SVCBRecord(const SVCB& data,
Maybe<std::tuple<nsCString, SupportedAlpnRank>> aAlpn);
private:
friend class DNSHTTPSSVCRecordBase;
virtual ~SVCBRecord() = default;
SVCB mData;
Maybe<uint16_t> mPort;
Maybe<std::tuple<nsCString, SupportedAlpnRank>> mAlpn;
};
class DNSHTTPSSVCRecordBase {
public:
explicit DNSHTTPSSVCRecordBase(const nsACString& aHost) : mHost(aHost) {}
protected:
virtual ~DNSHTTPSSVCRecordBase() = default;
already_AddRefed<nsISVCBRecord> GetServiceModeRecordInternal(
bool aNoHttp2, bool aNoHttp3, const nsTArray<SVCB>& aRecords,
bool& aRecordsAllExcluded, bool aCheckHttp3ExcludedList = true);
bool HasIPAddressesInternal(const nsTArray<SVCB>& aRecords);
void GetAllRecordsWithEchConfigInternal(
bool aNoHttp2, bool aNoHttp3, const nsTArray<SVCB>& aRecords,
bool* aAllRecordsHaveEchConfig, bool* aAllRecordsInH3ExcludedList,
nsTArray<RefPtr<nsISVCBRecord>>& aResult,
bool aCheckHttp3ExcludedList = true);
// The owner name of this HTTPS RR.
nsCString mHost;
};
} // namespace net
} // namespace mozilla
#endif // HTTPSSVC_h__
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