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#include "service_impl.h"
#include "parser.h"
#include "utils.h"
#include <library/cpp/tvmauth/exception.h>
#include <library/cpp/tvmauth/ticket_status.h>
#include <util/generic/strbuf.h>
#include <util/string/cast.h>
#include <util/string/split.h>
namespace NTvmAuth {
static const char* EX_MSG = "Method cannot be used in non-valid ticket";
TCheckedServiceTicket::TImpl::operator bool() const {
return (Status_ == ETicketStatus::Ok);
}
TTvmId TCheckedServiceTicket::TImpl::GetSrc() const {
Y_ENSURE_EX(bool(*this), TNotAllowedException() << EX_MSG);
return ProtobufTicket_.service().srcclientid();
}
const TScopes& TCheckedServiceTicket::TImpl::GetScopes() const {
Y_ENSURE_EX(bool(*this), TNotAllowedException() << EX_MSG);
if (CachedScopes_.empty()) {
for (const auto& el : ProtobufTicket_.service().scopes()) {
CachedScopes_.push_back(el);
}
}
return CachedScopes_;
}
bool TCheckedServiceTicket::TImpl::HasScope(TStringBuf scopeName) const {
Y_ENSURE_EX(bool(*this), TNotAllowedException() << EX_MSG);
return std::binary_search(ProtobufTicket_.service().scopes().begin(), ProtobufTicket_.service().scopes().end(), scopeName);
}
ETicketStatus TCheckedServiceTicket::TImpl::GetStatus() const {
return Status_;
}
time_t TCheckedServiceTicket::TImpl::GetExpirationTime() const {
Y_ENSURE_EX(bool(*this), TNotAllowedException() << EX_MSG);
return ProtobufTicket_.expirationtime();
}
TString TCheckedServiceTicket::TImpl::DebugInfo() const {
if (CachedDebugInfo_) {
return CachedDebugInfo_;
}
if (Status_ == ETicketStatus::Malformed) {
CachedDebugInfo_ = "status=malformed;";
return CachedDebugInfo_;
}
TString targetString = "ticket_type=";
targetString.reserve(256);
if (Status_ == ETicketStatus::InvalidTicketType) {
targetString.append("not-serv;");
CachedDebugInfo_ = targetString;
return targetString;
}
targetString.append("serv");
if (ProtobufTicket_.has_expirationtime())
targetString.append(";expiration_time=").append(IntToString<10>(ProtobufTicket_.expirationtime()));
if (ProtobufTicket_.service().has_srcclientid()) {
targetString.append(";src=").append(IntToString<10>(ProtobufTicket_.service().srcclientid()));
}
if (ProtobufTicket_.service().has_dstclientid()) {
targetString.append(";dst=").append(IntToString<10>(ProtobufTicket_.service().dstclientid()));
}
for (const auto& scope : ProtobufTicket_.service().scopes()) {
targetString.append(";scope=").append(scope);
}
if (ProtobufTicket_.service().has_issueruid()) {
targetString.append(";issuer_uid=").append(IntToString<10>(ProtobufTicket_.service().GetissuerUid()));
}
targetString.append(";");
CachedDebugInfo_ = targetString;
return targetString;
}
TMaybe<TUid> TCheckedServiceTicket::TImpl::GetIssuerUid() const {
Y_ENSURE_EX(bool(*this), TNotAllowedException() << EX_MSG);
return ProtobufTicket_.service().has_issueruid()
? ProtobufTicket_.service().GetissuerUid()
: TMaybe<TUid>();
}
void TCheckedServiceTicket::TImpl::SetStatus(ETicketStatus status) {
Status_ = status;
}
TCheckedServiceTicket::TImpl::TImpl(ETicketStatus status, ticket2::Ticket&& protobufTicket)
: Status_(status)
, ProtobufTicket_(std::move(protobufTicket))
{
}
TServiceTicketImplPtr TCheckedServiceTicket::TImpl::CreateTicketForTests(ETicketStatus status,
TTvmId src,
TMaybe<TUid> issuerUid) {
ticket2::Ticket proto;
proto.mutable_service()->set_srcclientid(src);
proto.mutable_service()->set_dstclientid(100500);
if (issuerUid) {
proto.mutable_service()->set_issueruid(*issuerUid);
}
return MakeHolder<TImpl>(status, std::move(proto));
}
TServiceContext::TImpl::TImpl(TStringBuf secretBase64, TTvmId selfTvmId, TStringBuf tvmKeysResponse)
: Secret_(ParseSecret(secretBase64))
, SelfTvmId_(selfTvmId)
{
ResetKeys(tvmKeysResponse);
}
TServiceContext::TImpl::TImpl(TTvmId selfTvmId, TStringBuf tvmKeysResponse)
: SelfTvmId_(selfTvmId)
{
ResetKeys(tvmKeysResponse);
}
TServiceContext::TImpl::TImpl(TStringBuf secretBase64)
: Secret_(ParseSecret(secretBase64))
{
}
void TServiceContext::TImpl::ResetKeys(TStringBuf tvmKeysResponse) {
tvm_keys::Keys protoKeys;
if (!protoKeys.ParseFromString(TParserTvmKeys::ParseStrV1(tvmKeysResponse))) {
ythrow TMalformedTvmKeysException() << "Malformed TVM keys";
}
NRw::TPublicKeys keys;
for (int idx = 0; idx < protoKeys.tvm_size(); ++idx) {
const tvm_keys::TvmKey& k = protoKeys.tvm(idx);
keys.emplace(k.gen().id(),
k.gen().body());
}
if (keys.empty()) {
ythrow TEmptyTvmKeysException() << "Empty TVM keys";
}
Keys_ = std::move(keys);
}
TServiceTicketImplPtr TServiceContext::TImpl::Check(TStringBuf ticketBody) const {
if (Keys_.empty()) {
ythrow TEmptyTvmKeysException() << "Empty TVM keys";
}
TParserTickets::TRes res = TParserTickets::ParseV3(ticketBody, Keys_, TParserTickets::ServiceFlag());
if (res.Status != ETicketStatus::Ok) {
return MakeHolder<TCheckedServiceTicket::TImpl>(res.Status, std::move(res.Ticket));
}
const ETicketStatus status = CheckProtobufServiceTicket(res.Ticket);
return MakeHolder<TCheckedServiceTicket::TImpl>(status, std::move(res.Ticket));
}
TString TServiceContext::TImpl::SignCgiParamsForTvm(TStringBuf ts, TStringBuf dst, TStringBuf scopes) const {
if (Secret_.Value().empty()) {
ythrow TMalformedTvmSecretException() << "Malformed TVM secret: it is empty";
}
return NUtils::SignCgiParamsForTvm(Secret_, ts, dst, scopes);
}
ETicketStatus TServiceContext::TImpl::CheckProtobufServiceTicket(const ticket2::Ticket& ticket) const {
if (!ticket.has_service()) {
return ETicketStatus::Malformed;
}
if (ticket.service().dstclientid() != SelfTvmId_) {
return ETicketStatus::InvalidDst;
}
return ETicketStatus::Ok;
}
TString TServiceContext::TImpl::ParseSecret(TStringBuf secretBase64) {
while (secretBase64 && secretBase64.back() == '\n') {
secretBase64.Chop(1);
}
if (secretBase64.empty()) {
ythrow TMalformedTvmSecretException() << "Malformed TVM secret: it is empty";
}
const TString secret = NUtils::Base64url2bin(secretBase64);
if (secret.empty()) {
ythrow TMalformedTvmSecretException() << "Malformed TVM secret: invalid base64url";
}
return secret;
}
}
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