/* 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(
bool& aHasNoDefaultAlpn)
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,
const nsACString& aCname);
bool HasIPAddressesInternal(
const nsTArray<SVCB>& aRecords);
void GetAllRecordsInternal(
bool aNoHttp2,
bool aNoHttp3,
const nsACString& aCname,
const nsTArray<SVCB>& aRecords,
bool aOnlyRecordsWithECH,
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__
