diff options
| author | komels <[email protected]> | 2022-04-15 16:53:39 +0300 |
|---|---|---|
| committer | komels <[email protected]> | 2022-04-15 16:53:39 +0300 |
| commit | 703a2fb6e100d202d1c7fcd052d73bd5affef408 (patch) | |
| tree | 22b7320c06bb04d86dbf7b9af9ae44281331cd15 /library/cpp/tvmauth/client/misc/roles/decoder.cpp | |
| parent | 3375bbfda1e2afb03aa2072bf5f2f2c3a26026e8 (diff) | |
Move 'kikimr/yndx'-depending tests out of ydb/core
ref:0a380e13308d579e0545a76924330d1ca5129c43
Diffstat (limited to 'library/cpp/tvmauth/client/misc/roles/decoder.cpp')
| -rw-r--r-- | library/cpp/tvmauth/client/misc/roles/decoder.cpp | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/library/cpp/tvmauth/client/misc/roles/decoder.cpp b/library/cpp/tvmauth/client/misc/roles/decoder.cpp deleted file mode 100644 index 6337fb91c20..00000000000 --- a/library/cpp/tvmauth/client/misc/roles/decoder.cpp +++ /dev/null @@ -1,93 +0,0 @@ -#include "decoder.h" - -#include <library/cpp/tvmauth/client/misc/utils.h> - -#include <library/cpp/openssl/crypto/sha.h> -#include <library/cpp/streams/brotli/brotli.h> -#include <library/cpp/streams/zstd/zstd.h> - -#include <util/generic/yexception.h> -#include <util/stream/zlib.h> -#include <util/string/ascii.h> - -namespace NTvmAuth::NRoles { - TString TDecoder::Decode(const TStringBuf codec, TString&& blob) { - if (codec.empty()) { - return std::move(blob); - } - - const TCodecInfo info = ParseCodec(codec); - TString decoded = DecodeImpl(info.Type, blob); - - VerifySize(decoded, info.Size); - VerifyChecksum(decoded, info.Sha256); - - return decoded; - } - - TDecoder::TCodecInfo TDecoder::ParseCodec(TStringBuf codec) { - const char delim = ':'; - - const TStringBuf version = codec.NextTok(delim); - Y_ENSURE(version == "1", - "unknown codec format version; known: 1; got: " << version); - - TCodecInfo res; - res.Type = codec.NextTok(delim); - Y_ENSURE(res.Type, "codec type is empty"); - - const TStringBuf size = codec.NextTok(delim); - Y_ENSURE(TryIntFromString<10>(size, res.Size), - "decoded blob size is not number"); - - res.Sha256 = codec; - const size_t expectedSha256Size = 2 * NOpenSsl::NSha256::DIGEST_LENGTH; - Y_ENSURE(res.Sha256.size() == expectedSha256Size, - "sha256 of decoded blob has invalid length: expected " - << expectedSha256Size << ", got " << res.Sha256.size()); - - return res; - } - - TString TDecoder::DecodeImpl(TStringBuf codec, const TString& blob) { - if (AsciiEqualsIgnoreCase(codec, "brotli")) { - return DecodeBrolti(blob); - } else if (AsciiEqualsIgnoreCase(codec, "gzip")) { - return DecodeGzip(blob); - } else if (AsciiEqualsIgnoreCase(codec, "zstd")) { - return DecodeZstd(blob); - } - - ythrow yexception() << "unknown codec: '" << codec << "'"; - } - - TString TDecoder::DecodeBrolti(const TString& blob) { - TStringInput in(blob); - return TBrotliDecompress(&in).ReadAll(); - } - - TString TDecoder::DecodeGzip(const TString& blob) { - TStringInput in(blob); - return TZLibDecompress(&in).ReadAll(); - } - - TString TDecoder::DecodeZstd(const TString& blob) { - TStringInput in(blob); - return TZstdDecompress(&in).ReadAll(); - } - - void TDecoder::VerifySize(const TStringBuf decoded, size_t expected) { - Y_ENSURE(expected == decoded.size(), - "Decoded blob has bad size: expected " << expected << ", actual " << decoded.size()); - } - - void TDecoder::VerifyChecksum(const TStringBuf decoded, const TStringBuf expected) { - using namespace NOpenSsl::NSha256; - - const TDigest dig = Calc(decoded); - const TString actual = NUtils::ToHex(TStringBuf((char*)dig.data(), dig.size())); - - Y_ENSURE(AsciiEqualsIgnoreCase(actual, expected), - "Decoded blob has bad sha256: expected=" << expected << ", actual=" << actual); - } -} |
