Update contrib/libs/aws-sdk-cpp to 1.11.37

6 files changed, 1081 insertions, 0 deletions

diff --git a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthBearerSigner.cpp b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthBearerSigner.cpp
new file mode 100644
index 0000000000..ff14c8a371
--- /dev/null
+++ b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthBearerSigner.cpp
@@ -0,0 +1,50 @@
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
+#include <aws/core/auth/signer/AWSAuthBearerSigner.h>
+#include <aws/core/auth/bearer-token-provider/AWSBearerTokenProviderBase.h>
+
+#include <aws/core/utils/logging/LogMacros.h>
+#include <aws/core/http/HttpRequest.h>
+
+namespace Aws
+{
+    namespace Auth
+    {
+        const char BEARER_SIGNER[] = "Bearer";
+    }
+
+    namespace Client
+    {
+        static const char LOGGING_TAG[] = "AWSAuthBearerSigner";
+        static const char AUTHORIZATION_HEADER[] = "authorization";
+
+        bool AWSAuthBearerSigner::SignRequest(Aws::Http::HttpRequest& ioRequest) const
+        {
+            if(Aws::Http::Scheme::HTTPS != ioRequest.GetUri().GetScheme())
+            {
+                // Clients MUST always use TLS (https) or equivalent transport security
+                // when making requests with bearer tokens.
+                // https://datatracker.ietf.org/doc/html/rfc6750
+                AWS_LOGSTREAM_ERROR(LOGGING_TAG, "HTTPS scheme must be used with a bearer token authorization");
+                return false;
+            }
+            if(!m_bearerTokenProvider)
+            {
+                AWS_LOGSTREAM_FATAL(LOGGING_TAG, "Unexpected nullptr AWSAuthBearerSigner::m_bearerTokenProvider");
+                return false;
+            }
+            const Aws::Auth::AWSBearerToken& token = m_bearerTokenProvider->GetAWSBearerToken();
+            if(token.IsExpiredOrEmpty())
+            {
+                AWS_LOGSTREAM_ERROR(LOGGING_TAG, "Invalid bearer token to use: expired or empty");
+                return false;
+            }
+
+            ioRequest.SetHeaderValue(AUTHORIZATION_HEADER, "Bearer " + token.GetToken());
+            return true;
+        }
+    }
+}
diff --git a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthEventStreamV4Signer.cpp b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthEventStreamV4Signer.cpp
new file mode 100644
index 0000000000..195e83a751
--- /dev/null
+++ b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthEventStreamV4Signer.cpp
@@ -0,0 +1,320 @@
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
+#include <aws/core/auth/signer/AWSAuthEventStreamV4Signer.h>
+#include <aws/core/auth/signer/AWSAuthSignerCommon.h>
+#include <aws/core/auth/signer/AWSAuthSignerHelper.h>
+
+#include <aws/core/auth/AWSCredentialsProvider.h>
+#include <aws/core/http/HttpRequest.h>
+#include <aws/core/utils/DateTime.h>
+#include <aws/core/utils/HashingUtils.h>
+#include <aws/core/utils/Outcome.h>
+#include <aws/core/utils/StringUtils.h>
+#include <aws/core/utils/logging/LogMacros.h>
+#include <aws/core/utils/memory/AWSMemory.h>
+#include <aws/core/utils/crypto/Sha256HMAC.h>
+#include <aws/core/utils/stream/PreallocatedStreamBuf.h>
+#include <aws/core/utils/event/EventMessage.h>
+#include <aws/core/utils/event/EventHeader.h>
+
+#include <aws/crt/auth/Credentials.h>
+#include <aws/crt/http/HttpRequestResponse.h>
+
+#include <iomanip>
+#include <cstring>
+
+using namespace Aws;
+using namespace Aws::Client;
+using namespace Aws::Auth;
+using namespace Aws::Http;
+using namespace Aws::Utils;
+using namespace Aws::Utils::Logging;
+
+static const char* EVENT_STREAM_CONTENT_SHA256 = "STREAMING-AWS4-HMAC-SHA256-EVENTS";
+static const char* EVENT_STREAM_PAYLOAD = "AWS4-HMAC-SHA256-PAYLOAD";
+static const char* v4StreamingLogTag = "AWSAuthEventStreamV4Signer";
+
+namespace Aws
+{
+    namespace Auth
+    {
+        const char EVENTSTREAM_SIGV4_SIGNER[] = "EventStreamSignatureV4";
+        const char EVENTSTREAM_SIGNATURE_HEADER[] = ":chunk-signature";
+        const char EVENTSTREAM_DATE_HEADER[] = ":date";
+    }
+}
+
+AWSAuthEventStreamV4Signer::AWSAuthEventStreamV4Signer(const std::shared_ptr<Auth::AWSCredentialsProvider>&
+        credentialsProvider, const char* serviceName, const Aws::String& region) :
+    m_serviceName(serviceName),
+    m_region(region),
+    m_credentialsProvider(credentialsProvider)
+{
+
+    m_unsignedHeaders.emplace_back(Aws::Auth::AWSAuthHelper::X_AMZN_TRACE_ID);
+    m_unsignedHeaders.emplace_back(USER_AGENT_HEADER);
+}
+
+bool AWSAuthEventStreamV4Signer::SignRequest(Aws::Http::HttpRequest& request, const char* region, const char* serviceName, bool /* signBody */) const
+{
+    AWSCredentials credentials = m_credentialsProvider->GetAWSCredentials();
+
+    //don't sign anonymous requests
+    if (credentials.GetAWSAccessKeyId().empty() || credentials.GetAWSSecretKey().empty())
+    {
+        return true;
+    }
+
+    if (!credentials.GetSessionToken().empty())
+    {
+        request.SetAwsSessionToken(credentials.GetSessionToken());
+    }
+
+    request.SetHeaderValue(Aws::Auth::AWSAuthHelper::X_AMZ_CONTENT_SHA256, EVENT_STREAM_CONTENT_SHA256);
+
+    //calculate date header to use in internal signature (this also goes into date header).
+    DateTime now = GetSigningTimestamp();
+    Aws::String dateHeaderValue = now.ToGmtString(DateFormat::ISO_8601_BASIC);
+    request.SetHeaderValue(AWS_DATE_HEADER, dateHeaderValue);
+
+    Aws::StringStream headersStream;
+    Aws::StringStream signedHeadersStream;
+
+    for (const auto& header : Aws::Auth::AWSAuthHelper::CanonicalizeHeaders(request.GetHeaders()))
+    {
+        if(ShouldSignHeader(header.first))
+        {
+            headersStream << header.first.c_str() << ":" << header.second.c_str() << Aws::Auth::AWSAuthHelper::NEWLINE;
+            signedHeadersStream << header.first.c_str() << ";";
+        }
+    }
+
+    Aws::String canonicalHeadersString = headersStream.str();
+    AWS_LOGSTREAM_DEBUG(v4StreamingLogTag, "Canonical Header String: " << canonicalHeadersString);
+
+    //calculate signed headers parameter
+    Aws::String signedHeadersValue = signedHeadersStream.str();
+    //remove that last semi-colon
+    if (!signedHeadersValue.empty())
+    {
+        signedHeadersValue.pop_back();
+    }
+
+    AWS_LOGSTREAM_DEBUG(v4StreamingLogTag, "Signed Headers value:" << signedHeadersValue);
+
+    //generate generalized canonicalized request string.
+    Aws::String canonicalRequestString = Aws::Auth::AWSAuthHelper::CanonicalizeRequestSigningString(request, true/* m_urlEscapePath */);
+
+    //append v4 stuff to the canonical request string.
+    canonicalRequestString.append(canonicalHeadersString);
+    canonicalRequestString.append(Aws::Auth::AWSAuthHelper::NEWLINE);
+    canonicalRequestString.append(signedHeadersValue);
+    canonicalRequestString.append(Aws::Auth::AWSAuthHelper::NEWLINE);
+    canonicalRequestString.append(EVENT_STREAM_CONTENT_SHA256);
+
+    AWS_LOGSTREAM_DEBUG(v4StreamingLogTag, "Canonical Request String: " << canonicalRequestString);
+
+    //now compute sha256 on that request string
+    auto hashResult = m_hash.Calculate(canonicalRequestString);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4StreamingLogTag, "Failed to hash (sha256) request string");
+        AWS_LOGSTREAM_DEBUG(v4StreamingLogTag, "The request string is: \"" << canonicalRequestString << "\"");
+        return false;
+    }
+
+    auto sha256Digest = hashResult.GetResult();
+    Aws::String canonicalRequestHash = HashingUtils::HexEncode(sha256Digest);
+    Aws::String simpleDate = now.ToGmtString(Aws::Auth::AWSAuthHelper::SIMPLE_DATE_FORMAT_STR);
+
+    Aws::String signingRegion = region ? region : m_region;
+    Aws::String signingServiceName = serviceName ? serviceName : m_serviceName;
+    Aws::String stringToSign = GenerateStringToSign(dateHeaderValue, simpleDate, canonicalRequestHash, signingRegion, signingServiceName);
+    auto finalSignature = GenerateSignature(credentials, stringToSign, simpleDate, signingRegion, signingServiceName);
+
+    Aws::StringStream ss;
+    ss << Aws::Auth::AWSAuthHelper::AWS_HMAC_SHA256 << " " << Aws::Auth::AWSAuthHelper::CREDENTIAL << Aws::Auth::AWSAuthHelper::EQ << credentials.GetAWSAccessKeyId() << "/" << simpleDate
+        << "/" << signingRegion << "/" << signingServiceName << "/" << Aws::Auth::AWSAuthHelper::AWS4_REQUEST << ", " << Aws::Auth::AWSAuthHelper::SIGNED_HEADERS << Aws::Auth::AWSAuthHelper::EQ
+        << signedHeadersValue << ", " << SIGNATURE << Aws::Auth::AWSAuthHelper::EQ << HashingUtils::HexEncode(finalSignature);
+
+    auto awsAuthString = ss.str();
+    AWS_LOGSTREAM_DEBUG(v4StreamingLogTag, "Signing request with: " << awsAuthString);
+    request.SetAwsAuthorization(awsAuthString);
+    request.SetSigningAccessKey(credentials.GetAWSAccessKeyId());
+    request.SetSigningRegion(signingRegion);
+    return true;
+}
+
+// this works regardless if the current machine is Big/Little Endian
+static void WriteBigEndian(Aws::String& str, uint64_t n)
+{
+    int shift = 56;
+    while(shift >= 0)
+    {
+        str.push_back((n >> shift) & 0xFF);
+        shift -= 8;
+    }
+}
+
+bool AWSAuthEventStreamV4Signer::SignEventMessage(Event::Message& message, Aws::String& priorSignature) const
+{
+    using Event::EventHeaderValue;
+
+    Aws::StringStream stringToSign;
+    stringToSign << EVENT_STREAM_PAYLOAD << Aws::Auth::AWSAuthHelper::NEWLINE;
+    const DateTime now = GetSigningTimestamp();
+    const auto simpleDate = now.ToGmtString(Aws::Auth::AWSAuthHelper::SIMPLE_DATE_FORMAT_STR);
+    stringToSign << now.ToGmtString(DateFormat::ISO_8601_BASIC) << Aws::Auth::AWSAuthHelper::NEWLINE
+        <<  simpleDate << "/" << m_region << "/"
+        << m_serviceName << "/aws4_request" << Aws::Auth::AWSAuthHelper::NEWLINE << priorSignature << Aws::Auth::AWSAuthHelper::NEWLINE;
+
+
+    Aws::String nonSignatureHeaders;
+    nonSignatureHeaders.push_back(char(sizeof(EVENTSTREAM_DATE_HEADER) - 1)); // length of the string
+    nonSignatureHeaders += EVENTSTREAM_DATE_HEADER;
+    nonSignatureHeaders.push_back(static_cast<char>(EventHeaderValue::EventHeaderType::TIMESTAMP)); // type of the value
+    WriteBigEndian(nonSignatureHeaders, static_cast<uint64_t>(now.Millis())); // the value of the timestamp in big-endian
+
+    auto hashOutcome = m_hash.Calculate(nonSignatureHeaders);
+    if (!hashOutcome.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4StreamingLogTag, "Failed to hash (sha256) non-signature headers.");
+        return false;
+    }
+
+    const auto nonSignatureHeadersHash = hashOutcome.GetResult();
+    stringToSign << HashingUtils::HexEncode(nonSignatureHeadersHash) << Aws::Auth::AWSAuthHelper::NEWLINE;
+
+    if (message.GetEventPayload().empty())
+    {
+        AWS_LOGSTREAM_WARN(v4StreamingLogTag, "Attempting to sign an empty message (no payload and no headers). "
+                "It is unlikely that this is the intended behavior.");
+    }
+    else
+    {
+        // use a preallocatedStreamBuf to avoid making a copy.
+        // The Hashing API requires either Aws::String or IStream as input.
+        // TODO: the hashing API should be accept 'unsigned char*' as input.
+        Utils::Stream::PreallocatedStreamBuf streamBuf(message.GetEventPayload().data(), message.GetEventPayload().size());
+        Aws::IOStream payload(&streamBuf);
+        hashOutcome = m_hash.Calculate(payload);
+
+        if (!hashOutcome.IsSuccess())
+        {
+            AWS_LOGSTREAM_ERROR(v4StreamingLogTag, "Failed to hash (sha256) non-signature headers.");
+            return false;
+        }
+        const auto payloadHash = hashOutcome.GetResult();
+        stringToSign << HashingUtils::HexEncode(payloadHash);
+        AWS_LOGSTREAM_DEBUG(v4StreamingLogTag, "Payload hash  - " << HashingUtils::HexEncode(payloadHash));
+    }
+
+    Aws::Utils::ByteBuffer finalSignatureDigest = GenerateSignature(m_credentialsProvider->GetAWSCredentials(), stringToSign.str(), simpleDate, m_region, m_serviceName);
+    const auto finalSignature = HashingUtils::HexEncode(finalSignatureDigest);
+    AWS_LOGSTREAM_DEBUG(v4StreamingLogTag, "Final computed signing hash: " << finalSignature);
+    priorSignature = finalSignature;
+
+    message.InsertEventHeader(EVENTSTREAM_DATE_HEADER, EventHeaderValue(now.Millis(), EventHeaderValue::EventHeaderType::TIMESTAMP));
+    message.InsertEventHeader(EVENTSTREAM_SIGNATURE_HEADER, std::move(finalSignatureDigest));
+
+    AWS_LOGSTREAM_INFO(v4StreamingLogTag, "Event chunk final signature - " << finalSignature);
+    return true;
+}
+
+bool AWSAuthEventStreamV4Signer::ShouldSignHeader(const Aws::String& header) const
+{
+    return std::find(m_unsignedHeaders.cbegin(), m_unsignedHeaders.cend(), Aws::Utils::StringUtils::ToLower(header.c_str())) == m_unsignedHeaders.cend();
+}
+
+Aws::Utils::ByteBuffer AWSAuthEventStreamV4Signer::GenerateSignature(const AWSCredentials& credentials, const Aws::String& stringToSign,
+        const Aws::String& simpleDate, const Aws::String& region, const Aws::String& serviceName) const
+{
+    Utils::Threading::ReaderLockGuard guard(m_derivedKeyLock);
+    const auto& secretKey = credentials.GetAWSSecretKey();
+    if (secretKey != m_currentSecretKey || simpleDate != m_currentDateStr)
+    {
+        guard.UpgradeToWriterLock();
+        // double-checked lock to prevent updating twice
+        if (m_currentDateStr != simpleDate || m_currentSecretKey != secretKey)
+        {
+            m_currentSecretKey = secretKey;
+            m_currentDateStr = simpleDate;
+            m_derivedKey = ComputeHash(m_currentSecretKey, m_currentDateStr, region, serviceName);
+        }
+
+    }
+    return GenerateSignature(stringToSign, m_derivedKey);
+}
+
+Aws::Utils::ByteBuffer AWSAuthEventStreamV4Signer::GenerateSignature(const Aws::String& stringToSign, const ByteBuffer& key) const
+{
+    AWS_LOGSTREAM_DEBUG(v4StreamingLogTag, "Final String to sign: " << stringToSign);
+
+    Aws::StringStream ss;
+
+    auto hashResult = m_HMAC.Calculate(ByteBuffer((unsigned char*)stringToSign.c_str(), stringToSign.length()), key);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4StreamingLogTag, "Unable to hmac (sha256) final string");
+        AWS_LOGSTREAM_DEBUG(v4StreamingLogTag, "The final string is: \"" << stringToSign << "\"");
+        return {};
+    }
+
+    return hashResult.GetResult();
+}
+
+Aws::String AWSAuthEventStreamV4Signer::GenerateStringToSign(const Aws::String& dateValue, const Aws::String& simpleDate,
+        const Aws::String& canonicalRequestHash, const Aws::String& region, const Aws::String& serviceName) const
+{
+    //generate the actual string we will use in signing the final request.
+    Aws::StringStream ss;
+
+    ss << Aws::Auth::AWSAuthHelper::AWS_HMAC_SHA256 << Aws::Auth::AWSAuthHelper::NEWLINE << dateValue << Aws::Auth::AWSAuthHelper::NEWLINE << simpleDate << "/" << region << "/"
+        << serviceName << "/" << Aws::Auth::AWSAuthHelper::AWS4_REQUEST << Aws::Auth::AWSAuthHelper::NEWLINE << canonicalRequestHash;
+
+    return ss.str();
+}
+
+Aws::Utils::ByteBuffer AWSAuthEventStreamV4Signer::ComputeHash(const Aws::String& secretKey,
+        const Aws::String& simpleDate, const Aws::String& region, const Aws::String& serviceName) const
+{
+    Aws::String signingKey(Aws::Auth::AWSAuthHelper::SIGNING_KEY);
+    signingKey.append(secretKey);
+    auto hashResult = m_HMAC.Calculate(ByteBuffer((unsigned char*)simpleDate.c_str(), simpleDate.length()),
+            ByteBuffer((unsigned char*)signingKey.c_str(), signingKey.length()));
+
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4StreamingLogTag, "Failed to HMAC (SHA256) date string \"" << simpleDate << "\"");
+        return {};
+    }
+
+    auto kDate = hashResult.GetResult();
+    hashResult = m_HMAC.Calculate(ByteBuffer((unsigned char*)region.c_str(), region.length()), kDate);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4StreamingLogTag, "Failed to HMAC (SHA256) region string \"" << region << "\"");
+        return {};
+    }
+
+    auto kRegion = hashResult.GetResult();
+    hashResult = m_HMAC.Calculate(ByteBuffer((unsigned char*)serviceName.c_str(), serviceName.length()), kRegion);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4StreamingLogTag, "Failed to HMAC (SHA256) service string \"" << m_serviceName << "\"");
+        return {};
+    }
+
+    auto kService = hashResult.GetResult();
+    hashResult = m_HMAC.Calculate(ByteBuffer((unsigned char*)Aws::Auth::AWSAuthHelper::AWS4_REQUEST, strlen(Aws::Auth::AWSAuthHelper::AWS4_REQUEST)), kService);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4StreamingLogTag, "Unable to HMAC (SHA256) request string");
+        AWS_LOGSTREAM_DEBUG(v4StreamingLogTag, "The request string is: \"" << Aws::Auth::AWSAuthHelper::AWS4_REQUEST << "\"");
+        return {};
+    }
+    return hashResult.GetResult();
+}
diff --git a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthSignerCommon.cpp b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthSignerCommon.cpp
new file mode 100644
index 0000000000..d26f41e6b3
--- /dev/null
+++ b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthSignerCommon.cpp
@@ -0,0 +1,14 @@
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
+#include <aws/core/auth/signer/AWSAuthSignerCommon.h>
+
+namespace Aws
+{
+namespace Auth
+{
+const char SIGNATURE[] = "Signature";
+} // namespace Auth
+} // namespace Aws
\ No newline at end of file
diff --git a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthSignerHelper.cpp b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthSignerHelper.cpp
new file mode 100644
index 0000000000..5f7005d1da
--- /dev/null
+++ b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthSignerHelper.cpp
@@ -0,0 +1,103 @@
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
+#include <aws/core/auth/signer/AWSAuthSignerHelper.h>
+#include <aws/core/http/HttpTypes.h>
+
+#include <aws/core/http/HttpRequest.h>
+#include <aws/core/http/URI.h>
+#include <aws/core/utils/StringUtils.h>
+
+namespace Aws
+{
+namespace Auth
+{
+
+const char* AWSAuthHelper::EQ = "=";
+const char* AWSAuthHelper::AWS_HMAC_SHA256 = "AWS4-HMAC-SHA256";
+const char* AWSAuthHelper::AWS4_REQUEST = "aws4_request";
+const char* AWSAuthHelper::SIGNED_HEADERS = "SignedHeaders";
+const char* AWSAuthHelper::CREDENTIAL = "Credential";
+const char* AWSAuthHelper::NEWLINE = "\n";
+const char* AWSAuthHelper::X_AMZN_TRACE_ID = "x-amzn-trace-id";
+const char* AWSAuthHelper::X_AMZ_CONTENT_SHA256 = "x-amz-content-sha256";
+const char* AWSAuthHelper::SIGNING_KEY = "AWS4";
+const char* AWSAuthHelper::SIMPLE_DATE_FORMAT_STR = "%Y%m%d";
+
+Aws::String Aws::Auth::AWSAuthHelper::CanonicalizeRequestSigningString(Aws::Http::HttpRequest& request, bool urlEscapePath)
+{
+    request.CanonicalizeRequest();
+    Aws::StringStream signingStringStream;
+    signingStringStream << Aws::Http::HttpMethodMapper::GetNameForHttpMethod(request.GetMethod());
+
+    Aws::Http::URI uriCpy = request.GetUri();
+    // Many AWS services do not decode the URL before calculating SignatureV4 on their end.
+    // This results in the signature getting calculated with a double encoded URL.
+    // That means we have to double encode it here for the signature to match on the service side.
+    if(urlEscapePath)
+    {
+        // RFC3986 is how we encode the URL before sending it on the wire.
+        uriCpy.SetPath(uriCpy.GetURLEncodedPathRFC3986());
+        // However, SignatureV4 uses this URL encoding scheme
+        signingStringStream << AWSAuthHelper::NEWLINE << uriCpy.GetURLEncodedPath() << AWSAuthHelper::NEWLINE;
+    }
+    else
+    {
+        // For the services that DO decode the URL first; we don't need to double encode it.
+        signingStringStream << AWSAuthHelper::NEWLINE << uriCpy.GetURLEncodedPath() << AWSAuthHelper::NEWLINE;
+    }
+
+    if (request.GetQueryString().find('=') != std::string::npos)
+    {
+        signingStringStream << request.GetQueryString().substr(1) << AWSAuthHelper::NEWLINE;
+    }
+    else if (request.GetQueryString().size() > 1)
+    {
+        signingStringStream << request.GetQueryString().substr(1) << "=" << AWSAuthHelper::NEWLINE;
+    }
+    else
+    {
+        signingStringStream << AWSAuthHelper::NEWLINE;
+    }
+
+    return signingStringStream.str();
+}
+
+Aws::Http::HeaderValueCollection Aws::Auth::AWSAuthHelper::CanonicalizeHeaders(Aws::Http::HeaderValueCollection&& headers)
+{
+    Aws::Http::HeaderValueCollection canonicalHeaders;
+    for (const auto& header : headers)
+    {
+        auto trimmedHeaderName = Aws::Utils::StringUtils::Trim(header.first.c_str());
+        auto trimmedHeaderValue = Aws::Utils::StringUtils::Trim(header.second.c_str());
+
+        //multiline gets converted to line1,line2,etc...
+        auto headerMultiLine = Aws::Utils::StringUtils::SplitOnLine(trimmedHeaderValue);
+        Aws::String headerValue = headerMultiLine.size() == 0 ? "" : headerMultiLine[0];
+
+        if (headerMultiLine.size() > 1)
+        {
+            for(size_t i = 1; i < headerMultiLine.size(); ++i)
+            {
+                headerValue += " ";
+                headerValue += Aws::Utils::StringUtils::Trim(headerMultiLine[i].c_str());
+            }
+        }
+
+        //duplicate spaces need to be converted to one.
+        Aws::String::iterator new_end =
+            std::unique(headerValue.begin(), headerValue.end(),
+                [=](char lhs, char rhs) { return (lhs == rhs) && (lhs == ' '); }
+        );
+        headerValue.erase(new_end, headerValue.end());
+
+        canonicalHeaders[trimmedHeaderName] = headerValue;
+    }
+
+    return canonicalHeaders;
+}
+
+} // namespace Auth
+} // namespace Aws
\ No newline at end of file
diff --git a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthV4Signer.cpp b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthV4Signer.cpp
new file mode 100644
index 0000000000..f8bfdbf867
--- /dev/null
+++ b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSAuthV4Signer.cpp
@@ -0,0 +1,580 @@
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
+#include <aws/core/auth/signer/AWSAuthV4Signer.h>
+#include <aws/core/auth/signer/AWSAuthSignerCommon.h>
+#include <aws/core/auth/signer/AWSAuthSignerHelper.h>
+
+#include <aws/core/auth/AWSCredentialsProvider.h>
+#include <aws/core/http/HttpRequest.h>
+#include <aws/core/http/URI.h>
+#include <aws/core/utils/DateTime.h>
+#include <aws/core/utils/HashingUtils.h>
+#include <aws/core/utils/Outcome.h>
+#include <aws/core/utils/StringUtils.h>
+#include <aws/core/utils/logging/LogMacros.h>
+#include <aws/core/utils/memory/AWSMemory.h>
+#include <aws/core/utils/crypto/Sha256.h>
+#include <aws/core/utils/crypto/Sha256HMAC.h>
+
+#include <aws/crt/auth/Credentials.h>
+#include <aws/crt/http/HttpRequestResponse.h>
+
+#include <iomanip>
+#include <cstring>
+
+using namespace Aws;
+using namespace Aws::Client;
+using namespace Aws::Auth;
+using namespace Aws::Http;
+using namespace Aws::Utils;
+using namespace Aws::Utils::Logging;
+
+static const char* X_AMZ_SIGNED_HEADERS = "X-Amz-SignedHeaders";
+static const char* X_AMZ_ALGORITHM = "X-Amz-Algorithm";
+static const char* X_AMZ_CREDENTIAL = "X-Amz-Credential";
+static const char* UNSIGNED_PAYLOAD = "UNSIGNED-PAYLOAD";
+static const char* STREAMING_UNSIGNED_PAYLOAD_TRAILER = "STREAMING-UNSIGNED-PAYLOAD-TRAILER";
+static const char* X_AMZ_SIGNATURE = "X-Amz-Signature";
+static const char* USER_AGENT = "user-agent";
+static const char* EMPTY_STRING_SHA256 = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";
+
+static const char v4LogTag[] = "AWSAuthV4Signer";
+static const char v4AsymmetricLogTag[] = "AWSAuthSymmetricV4Signer";
+
+namespace Aws
+{
+    namespace Auth
+    {
+        const char SIGV4_SIGNER[] = "SignatureV4";
+        const char ASYMMETRIC_SIGV4_SIGNER[] = "AsymmetricSignatureV4";
+    }
+}
+
+AWSAuthV4Signer::AWSAuthV4Signer(const std::shared_ptr<Auth::AWSCredentialsProvider>& credentialsProvider, const char* serviceName,
+    const Aws::String& region, PayloadSigningPolicy signingPolicy, bool urlEscapePath, AWSSigningAlgorithm signingAlgorithm) :
+    m_includeSha256HashHeader(true),
+    m_signingAlgorithm(signingAlgorithm),
+    m_credentialsProvider(credentialsProvider),
+    m_serviceName(serviceName),
+    m_region(region),
+    m_hash(Aws::MakeUnique<Aws::Utils::Crypto::Sha256>(v4LogTag)),
+    m_HMAC(Aws::MakeUnique<Aws::Utils::Crypto::Sha256HMAC>(v4LogTag)),
+    m_unsignedHeaders({USER_AGENT, Aws::Auth::AWSAuthHelper::X_AMZN_TRACE_ID}),
+    m_payloadSigningPolicy(signingPolicy),
+    m_urlEscapePath(urlEscapePath)
+{
+    //go ahead and warm up the signing cache.
+    ComputeHash(credentialsProvider->GetAWSCredentials().GetAWSSecretKey(), DateTime::CalculateGmtTimestampAsString(Aws::Auth::AWSAuthHelper::SIMPLE_DATE_FORMAT_STR), region, m_serviceName);
+}
+
+AWSAuthV4Signer::~AWSAuthV4Signer()
+{
+    // empty destructor in .cpp file to keep from needing the implementation of (AWSCredentialsProvider, Sha256, Sha256HMAC) in the header file
+}
+
+bool AWSAuthV4Signer::SignRequestWithSigV4a(Aws::Http::HttpRequest& request, const char* region, const char* serviceName,
+    bool signBody, long long expirationTimeInSeconds, Aws::Crt::Auth::SignatureType signatureType) const
+{
+    AWSCredentials credentials = m_credentialsProvider->GetAWSCredentials();
+    auto crtCredentials = Aws::MakeShared<Aws::Crt::Auth::Credentials>(v4AsymmetricLogTag,
+        Aws::Crt::ByteCursorFromCString(credentials.GetAWSAccessKeyId().c_str()),
+        Aws::Crt::ByteCursorFromCString(credentials.GetAWSSecretKey().c_str()),
+        Aws::Crt::ByteCursorFromCString(credentials.GetSessionToken().c_str()),
+        credentials.GetExpiration().Seconds());
+
+    Aws::Crt::Auth::AwsSigningConfig awsSigningConfig;
+    awsSigningConfig.SetSigningAlgorithm(static_cast<Aws::Crt::Auth::SigningAlgorithm>(AWSSigningAlgorithm::ASYMMETRIC_SIGV4));
+    awsSigningConfig.SetSignatureType(signatureType);
+    awsSigningConfig.SetRegion(region);
+    awsSigningConfig.SetService(serviceName);
+    awsSigningConfig.SetSigningTimepoint(GetSigningTimestamp().UnderlyingTimestamp());
+    awsSigningConfig.SetUseDoubleUriEncode(m_urlEscapePath);
+    awsSigningConfig.SetShouldNormalizeUriPath(true);
+    awsSigningConfig.SetOmitSessionToken(false);
+    awsSigningConfig.SetShouldSignHeaderUserData(reinterpret_cast<void*>(const_cast<Aws::Set<Aws::String>*>(&m_unsignedHeaders)));
+    awsSigningConfig.SetShouldSignHeaderCallback([](const Aws::Crt::ByteCursor *name, void *user_data) {
+        Aws::Set<Aws::String>* unsignedHeaders = static_cast<Aws::Set<Aws::String>*>(user_data);
+        Aws::String headerKey(reinterpret_cast<const char*>(name->ptr), name->len);
+        return unsignedHeaders->find(Aws::Utils::StringUtils::ToLower(headerKey.c_str())) == unsignedHeaders->cend();
+    });
+    if (signatureType == Aws::Crt::Auth::SignatureType::HttpRequestViaHeaders)
+    {
+        Aws::String payloadHash(UNSIGNED_PAYLOAD);
+        if(signBody || request.GetUri().GetScheme() != Http::Scheme::HTTPS)
+        {
+            if (!request.GetContentBody())
+            {
+                AWS_LOGSTREAM_DEBUG(v4AsymmetricLogTag, "Using cached empty string sha256 " << EMPTY_STRING_SHA256 << " because payload is empty.");
+                payloadHash = EMPTY_STRING_SHA256;
+            }
+            else
+            {
+                // The hash will be calculated from the payload during signing.
+                payloadHash = {};
+            }
+        }
+        else
+        {
+            AWS_LOGSTREAM_DEBUG(v4AsymmetricLogTag, "Note: Http payloads are not being signed. signPayloads=" << signBody
+                    << " http scheme=" << Http::SchemeMapper::ToString(request.GetUri().GetScheme()));
+        }
+        awsSigningConfig.SetSignedBodyValue(payloadHash.c_str());
+        awsSigningConfig.SetSignedBodyHeader(m_includeSha256HashHeader ? Aws::Crt::Auth::SignedBodyHeaderType::XAmzContentSha256 : Aws::Crt::Auth::SignedBodyHeaderType::None);
+    }
+    else if (signatureType == Aws::Crt::Auth::SignatureType::HttpRequestViaQueryParams)
+    {
+        if (ServiceRequireUnsignedPayload(serviceName))
+        {
+            awsSigningConfig.SetSignedBodyValue(UNSIGNED_PAYLOAD);
+        }
+        else
+        {
+            awsSigningConfig.SetSignedBodyValue(EMPTY_STRING_SHA256);
+        }
+    }
+    else
+    {
+        AWS_LOGSTREAM_ERROR(v4AsymmetricLogTag, "The signature type should be either \"HttpRequestViaHeaders\" or \"HttpRequestViaQueryParams\"");
+        return false;
+    }
+    awsSigningConfig.SetExpirationInSeconds(static_cast<uint64_t>(expirationTimeInSeconds));
+    awsSigningConfig.SetCredentials(crtCredentials);
+
+    std::shared_ptr<Aws::Crt::Http::HttpRequest> crtHttpRequest = request.ToCrtHttpRequest();
+
+    auto sigv4HttpRequestSigner = Aws::MakeShared<Aws::Crt::Auth::Sigv4HttpRequestSigner>(v4AsymmetricLogTag);
+    bool success = true;
+    sigv4HttpRequestSigner->SignRequest(crtHttpRequest, awsSigningConfig,
+        [&request, &success, signatureType](const std::shared_ptr<Aws::Crt::Http::HttpRequest>& signedCrtHttpRequest, int errorCode) {
+            success = (errorCode == AWS_ERROR_SUCCESS);
+            if (success)
+            {
+                if (signatureType == Aws::Crt::Auth::SignatureType::HttpRequestViaHeaders)
+                {
+                    for (size_t i = 0; i < signedCrtHttpRequest->GetHeaderCount(); i++)
+                    {
+                        Aws::Crt::Optional<Aws::Crt::Http::HttpHeader> httpHeader = signedCrtHttpRequest->GetHeader(i);
+                        request.SetHeaderValue(Aws::String(reinterpret_cast<const char*>(httpHeader->name.ptr), httpHeader->name.len),
+                            Aws::String(reinterpret_cast<const char*>(httpHeader->value.ptr), httpHeader->value.len));
+                    }
+                }
+                else if (signatureType == Aws::Crt::Auth::SignatureType::HttpRequestViaQueryParams)
+                {
+                    Aws::Http::URI newPath(reinterpret_cast<const char*>(signedCrtHttpRequest->GetPath()->ptr));
+                    request.GetUri().SetQueryString(newPath.GetQueryString());
+                }
+                else
+                {
+                    AWS_LOGSTREAM_ERROR(v4AsymmetricLogTag, "No action to take when signature type is neither \"HttpRequestViaHeaders\" nor \"HttpRequestViaQueryParams\"");
+                    success = false;
+                }
+            }
+            else
+            {
+                AWS_LOGSTREAM_ERROR(v4AsymmetricLogTag, "Encountered internal error during signing process with AWS signature version 4 (Asymmetric):" << aws_error_str(errorCode));
+            }
+        }
+    );
+    return success;
+}
+
+bool AWSAuthV4Signer::ShouldSignHeader(const Aws::String& header) const
+{
+    return m_unsignedHeaders.find(Aws::Utils::StringUtils::ToLower(header.c_str())) == m_unsignedHeaders.cend();
+}
+
+bool AWSAuthV4Signer::SignRequest(Aws::Http::HttpRequest& request, const char* region, const char* serviceName, bool signBody) const
+{
+    Aws::String signingRegion = region ? region : m_region;
+    Aws::String signingServiceName = serviceName ? serviceName : m_serviceName;
+    AWSCredentials credentials = m_credentialsProvider->GetAWSCredentials();
+
+    //don't sign anonymous requests
+    if (credentials.GetAWSAccessKeyId().empty() || credentials.GetAWSSecretKey().empty())
+    {
+        return true;
+    }
+
+    request.SetSigningAccessKey(credentials.GetAWSAccessKeyId());
+    request.SetSigningRegion(signingRegion);
+
+    Aws::String payloadHash(UNSIGNED_PAYLOAD);
+    switch(m_payloadSigningPolicy)
+    {
+        case PayloadSigningPolicy::Always:
+            signBody = true;
+            break;
+        case PayloadSigningPolicy::Never:
+            signBody = false;
+            break;
+        case PayloadSigningPolicy::RequestDependent:
+            // respect the request setting
+        default:
+            break;
+    }
+
+    if (m_signingAlgorithm == AWSSigningAlgorithm::ASYMMETRIC_SIGV4)
+    {
+        // Replace m_serviceName with signingServiceName after rebasing on S3 outposts.
+        return SignRequestWithSigV4a(request, signingRegion.c_str(), m_serviceName.c_str(), signBody,
+            0 /* expirationTimeInSeconds doesn't matter for HttpRequestViaHeaders */, Aws::Crt::Auth::SignatureType::HttpRequestViaHeaders);
+    }
+
+    if (!credentials.GetSessionToken().empty())
+    {
+        request.SetAwsSessionToken(credentials.GetSessionToken());
+    }
+
+    if(signBody || request.GetUri().GetScheme() != Http::Scheme::HTTPS)
+    {
+        payloadHash = ComputePayloadHash(request);
+        if (payloadHash.empty())
+        {
+            return false;
+        }
+        if (request.GetRequestHash().second != nullptr)
+        {
+            Aws::String checksumHeaderKey = Aws::String("x-amz-checksum-") + request.GetRequestHash().first;
+            Aws::String checksumHeaderValue = HashingUtils::Base64Encode(request.GetRequestHash().second->Calculate(*(request.GetContentBody())).GetResult());
+            request.SetHeaderValue(checksumHeaderKey, checksumHeaderValue);
+            request.SetRequestHash("", nullptr);
+        }
+    }
+    else
+    {
+        AWS_LOGSTREAM_DEBUG(v4LogTag, "Note: Http payloads are not being signed. signPayloads=" << signBody
+                << " http scheme=" << Http::SchemeMapper::ToString(request.GetUri().GetScheme()));
+        if (request.GetRequestHash().second != nullptr)
+        {
+            payloadHash = STREAMING_UNSIGNED_PAYLOAD_TRAILER;
+            Aws::String trailerHeaderValue = Aws::String("x-amz-checksum-") + request.GetRequestHash().first;
+            request.SetHeaderValue(Http::AWS_TRAILER_HEADER, trailerHeaderValue);
+            request.SetTransferEncoding(CHUNKED_VALUE);
+            request.SetHeaderValue(Http::CONTENT_ENCODING_HEADER, Http::AWS_CHUNKED_VALUE);
+            request.SetHeaderValue(Http::DECODED_CONTENT_LENGTH_HEADER, request.GetHeaderValue(Http::CONTENT_LENGTH_HEADER));
+            request.DeleteHeader(Http::CONTENT_LENGTH_HEADER);
+        }
+    }
+
+    if(m_includeSha256HashHeader)
+    {
+        request.SetHeaderValue(Aws::Auth::AWSAuthHelper::X_AMZ_CONTENT_SHA256, payloadHash);
+    }
+
+    //calculate date header to use in internal signature (this also goes into date header).
+    DateTime now = GetSigningTimestamp();
+    Aws::String dateHeaderValue = now.ToGmtString(DateFormat::ISO_8601_BASIC);
+    request.SetHeaderValue(AWS_DATE_HEADER, dateHeaderValue);
+
+    Aws::StringStream headersStream;
+    Aws::StringStream signedHeadersStream;
+
+    for (const auto& header : Aws::Auth::AWSAuthHelper::CanonicalizeHeaders(request.GetHeaders()))
+    {
+        if(ShouldSignHeader(header.first))
+        {
+            headersStream << header.first.c_str() << ":" << header.second.c_str() << Aws::Auth::AWSAuthHelper::NEWLINE;
+            signedHeadersStream << header.first.c_str() << ";";
+        }
+    }
+
+    Aws::String canonicalHeadersString = headersStream.str();
+    AWS_LOGSTREAM_DEBUG(v4LogTag, "Canonical Header String: " << canonicalHeadersString);
+
+    //calculate signed headers parameter
+    Aws::String signedHeadersValue = signedHeadersStream.str();
+    //remove that last semi-colon
+    if (!signedHeadersValue.empty())
+    {
+        signedHeadersValue.pop_back();
+    }
+
+    AWS_LOGSTREAM_DEBUG(v4LogTag, "Signed Headers value:" << signedHeadersValue);
+
+    //generate generalized canonicalized request string.
+    Aws::String canonicalRequestString = Aws::Auth::AWSAuthHelper::CanonicalizeRequestSigningString(request, m_urlEscapePath);
+
+    //append v4 stuff to the canonical request string.
+    canonicalRequestString.append(canonicalHeadersString);
+    canonicalRequestString.append(Aws::Auth::AWSAuthHelper::NEWLINE);
+    canonicalRequestString.append(signedHeadersValue);
+    canonicalRequestString.append(Aws::Auth::AWSAuthHelper::NEWLINE);
+    canonicalRequestString.append(payloadHash);
+
+    AWS_LOGSTREAM_DEBUG(v4LogTag, "Canonical Request String: " << canonicalRequestString);
+
+    //now compute sha256 on that request string
+    auto hashResult = m_hash->Calculate(canonicalRequestString);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4LogTag, "Failed to hash (sha256) request string");
+        AWS_LOGSTREAM_DEBUG(v4LogTag, "The request string is: \"" << canonicalRequestString << "\"");
+        return false;
+    }
+
+    auto sha256Digest = hashResult.GetResult();
+    Aws::String canonicalRequestHash = HashingUtils::HexEncode(sha256Digest);
+    Aws::String simpleDate = now.ToGmtString(Aws::Auth::AWSAuthHelper::SIMPLE_DATE_FORMAT_STR);
+
+    Aws::String stringToSign = GenerateStringToSign(dateHeaderValue, simpleDate, canonicalRequestHash, signingRegion, signingServiceName);
+    auto finalSignature = GenerateSignature(credentials, stringToSign, simpleDate, signingRegion, signingServiceName);
+
+    Aws::StringStream ss;
+    ss << Aws::Auth::AWSAuthHelper::AWS_HMAC_SHA256 << " " << Aws::Auth::AWSAuthHelper::CREDENTIAL << Aws::Auth::AWSAuthHelper::EQ << credentials.GetAWSAccessKeyId() << "/" << simpleDate
+        << "/" << signingRegion << "/" << signingServiceName << "/" << Aws::Auth::AWSAuthHelper::AWS4_REQUEST << ", " << Aws::Auth::AWSAuthHelper::SIGNED_HEADERS << Aws::Auth::AWSAuthHelper::EQ
+        << signedHeadersValue << ", " << SIGNATURE << Aws::Auth::AWSAuthHelper::EQ << finalSignature;
+
+    auto awsAuthString = ss.str();
+    AWS_LOGSTREAM_DEBUG(v4LogTag, "Signing request with: " << awsAuthString);
+    request.SetAwsAuthorization(awsAuthString);
+    return true;
+}
+
+bool AWSAuthV4Signer::PresignRequest(Aws::Http::HttpRequest& request, long long expirationTimeInSeconds) const
+{
+    return PresignRequest(request, m_region.c_str(), expirationTimeInSeconds);
+}
+
+bool AWSAuthV4Signer::PresignRequest(Aws::Http::HttpRequest& request, const char* region, long long expirationInSeconds) const
+{
+    return PresignRequest(request, region, m_serviceName.c_str(), expirationInSeconds);
+}
+
+bool AWSAuthV4Signer::PresignRequest(Aws::Http::HttpRequest& request, const char* region, const char* serviceName, long long expirationTimeInSeconds) const
+{
+    Aws::String signingRegion = region ? region : m_region;
+    Aws::String signingServiceName = serviceName ? serviceName : m_serviceName;
+    AWSCredentials credentials = m_credentialsProvider->GetAWSCredentials();
+
+    //don't sign anonymous requests
+    if (credentials.GetAWSAccessKeyId().empty() || credentials.GetAWSSecretKey().empty())
+    {
+        return true;
+    }
+
+    if (m_signingAlgorithm == AWSSigningAlgorithm::ASYMMETRIC_SIGV4)
+    {
+        return SignRequestWithSigV4a(request, signingRegion.c_str(), signingServiceName.c_str(), false /* signBody doesn't matter for HttpRequestViaHeaders */,
+            expirationTimeInSeconds, Aws::Crt::Auth::SignatureType::HttpRequestViaQueryParams);
+    }
+
+    Aws::StringStream intConversionStream;
+    intConversionStream << expirationTimeInSeconds;
+    request.AddQueryStringParameter(Http::X_AMZ_EXPIRES_HEADER, intConversionStream.str());
+
+    if (!credentials.GetSessionToken().empty())
+    {
+        request.AddQueryStringParameter(Http::AWS_SECURITY_TOKEN, credentials.GetSessionToken());
+    }
+
+    //calculate date header to use in internal signature (this also goes into date header).
+    DateTime now = GetSigningTimestamp();
+    Aws::String dateQueryValue = now.ToGmtString(DateFormat::ISO_8601_BASIC);
+    request.AddQueryStringParameter(Http::AWS_DATE_HEADER, dateQueryValue);
+
+    Aws::StringStream headersStream;
+    Aws::StringStream signedHeadersStream;
+    for (const auto& header : Aws::Auth::AWSAuthHelper::CanonicalizeHeaders(request.GetHeaders()))
+    {
+        if(ShouldSignHeader(header.first))
+        {
+            headersStream << header.first.c_str() << ":" << header.second.c_str() << Aws::Auth::AWSAuthHelper::NEWLINE;
+            signedHeadersStream << header.first.c_str() << ";";
+        }
+    }
+
+    Aws::String canonicalHeadersString = headersStream.str();
+    AWS_LOGSTREAM_DEBUG(v4LogTag, "Canonical Header String: " << canonicalHeadersString);
+
+    //calculate signed headers parameter
+    Aws::String signedHeadersValue(signedHeadersStream.str());
+    //remove that last semi-colon
+    if (!signedHeadersValue.empty())
+    {
+        signedHeadersValue.pop_back();
+    }
+
+    request.AddQueryStringParameter(X_AMZ_SIGNED_HEADERS, signedHeadersValue);
+    AWS_LOGSTREAM_DEBUG(v4LogTag, "Signed Headers value: " << signedHeadersValue);
+
+    Aws::StringStream ss;
+    Aws::String simpleDate = now.ToGmtString(Aws::Auth::AWSAuthHelper::SIMPLE_DATE_FORMAT_STR);
+    ss << credentials.GetAWSAccessKeyId() << "/" << simpleDate
+        << "/" << signingRegion << "/" << signingServiceName << "/" << Aws::Auth::AWSAuthHelper::AWS4_REQUEST;
+
+    request.AddQueryStringParameter(X_AMZ_ALGORITHM, Aws::Auth::AWSAuthHelper::AWS_HMAC_SHA256);
+    request.AddQueryStringParameter(X_AMZ_CREDENTIAL, ss.str());
+    ss.str("");
+
+    request.SetSigningAccessKey(credentials.GetAWSAccessKeyId());
+    request.SetSigningRegion(signingRegion);
+
+    //generate generalized canonicalized request string.
+    Aws::String canonicalRequestString = Aws::Auth::AWSAuthHelper::CanonicalizeRequestSigningString(request, m_urlEscapePath);
+
+    //append v4 stuff to the canonical request string.
+    canonicalRequestString.append(canonicalHeadersString);
+    canonicalRequestString.append(Aws::Auth::AWSAuthHelper::NEWLINE);
+    canonicalRequestString.append(signedHeadersValue);
+    canonicalRequestString.append(Aws::Auth::AWSAuthHelper::NEWLINE);
+    if (ServiceRequireUnsignedPayload(signingServiceName))
+    {
+        canonicalRequestString.append(UNSIGNED_PAYLOAD);
+    }
+    else
+    {
+        canonicalRequestString.append(EMPTY_STRING_SHA256);
+    }
+    AWS_LOGSTREAM_DEBUG(v4LogTag, "Canonical Request String: " << canonicalRequestString);
+
+    //now compute sha256 on that request string
+    auto hashResult = m_hash->Calculate(canonicalRequestString);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4LogTag, "Failed to hash (sha256) request string");
+        AWS_LOGSTREAM_DEBUG(v4LogTag, "The request string is: \"" << canonicalRequestString << "\"");
+        return false;
+    }
+
+    auto sha256Digest = hashResult.GetResult();
+    auto canonicalRequestHash = HashingUtils::HexEncode(sha256Digest);
+
+    auto stringToSign = GenerateStringToSign(dateQueryValue, simpleDate, canonicalRequestHash, signingRegion, signingServiceName);
+    auto finalSigningHash = GenerateSignature(credentials, stringToSign, simpleDate, signingRegion, signingServiceName);
+    if (finalSigningHash.empty())
+    {
+        return false;
+    }
+
+    //add that the signature to the query string
+    request.AddQueryStringParameter(X_AMZ_SIGNATURE, finalSigningHash);
+
+    return true;
+}
+
+bool AWSAuthV4Signer::ServiceRequireUnsignedPayload(const Aws::String& serviceName) const
+{
+    // S3 uses a magic string (instead of the empty string) for its body hash for presigned URLs as outlined here:
+    // https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-query-string-auth.html
+    // this is true for PUT, POST, GET, DELETE and HEAD operations.
+    // However, other services (for example RDS) implement the specification as outlined here:
+    // https://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
+    // which states that body-less requests should use the empty-string SHA256 hash.
+    return "s3" == serviceName || "s3-object-lambda" == serviceName;
+}
+
+Aws::String AWSAuthV4Signer::GenerateSignature(const AWSCredentials& credentials, const Aws::String& stringToSign,
+        const Aws::String& simpleDate, const Aws::String& region, const Aws::String& serviceName) const
+{
+    auto key = ComputeHash(credentials.GetAWSSecretKey(), simpleDate, region, serviceName);
+    return GenerateSignature(stringToSign, key);
+}
+
+Aws::String AWSAuthV4Signer::GenerateSignature(const Aws::String& stringToSign, const ByteBuffer& key) const
+{
+    AWS_LOGSTREAM_DEBUG(v4LogTag, "Final String to sign: " << stringToSign);
+
+    Aws::StringStream ss;
+
+    auto hashResult = m_HMAC->Calculate(ByteBuffer((unsigned char*)stringToSign.c_str(), stringToSign.length()), key);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4LogTag, "Unable to hmac (sha256) final string");
+        AWS_LOGSTREAM_DEBUG(v4LogTag, "The final string is: \"" << stringToSign << "\"");
+        return {};
+    }
+
+    //now we finally sign our request string with our hex encoded derived hash.
+    auto finalSigningDigest = hashResult.GetResult();
+
+    auto finalSigningHash = HashingUtils::HexEncode(finalSigningDigest);
+    AWS_LOGSTREAM_DEBUG(v4LogTag, "Final computed signing hash: " << finalSigningHash);
+
+    return finalSigningHash;
+}
+
+Aws::String AWSAuthV4Signer::ComputePayloadHash(Aws::Http::HttpRequest& request) const
+{
+    if (!request.GetContentBody())
+    {
+        AWS_LOGSTREAM_DEBUG(v4LogTag, "Using cached empty string sha256 " << EMPTY_STRING_SHA256 << " because payload is empty.");
+        return EMPTY_STRING_SHA256;
+    }
+
+    //compute hash on payload if it exists.
+    auto hashResult =  m_hash->Calculate(*request.GetContentBody());
+
+    if(request.GetContentBody())
+    {
+        request.GetContentBody()->clear();
+        request.GetContentBody()->seekg(0);
+    }
+
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4LogTag, "Unable to hash (sha256) request body");
+        return {};
+    }
+
+    auto sha256Digest = hashResult.GetResult();
+
+    Aws::String payloadHash(HashingUtils::HexEncode(sha256Digest));
+    AWS_LOGSTREAM_DEBUG(v4LogTag, "Calculated sha256 " << payloadHash << " for payload.");
+    return payloadHash;
+}
+
+Aws::String AWSAuthV4Signer::GenerateStringToSign(const Aws::String& dateValue, const Aws::String& simpleDate,
+        const Aws::String& canonicalRequestHash, const Aws::String& region, const Aws::String& serviceName) const
+{
+    //generate the actual string we will use in signing the final request.
+    Aws::StringStream ss;
+
+    ss << Aws::Auth::AWSAuthHelper::AWS_HMAC_SHA256 << Aws::Auth::AWSAuthHelper::NEWLINE << dateValue << Aws::Auth::AWSAuthHelper::NEWLINE << simpleDate << "/" << region << "/"
+        << serviceName << "/" << Aws::Auth::AWSAuthHelper::AWS4_REQUEST << Aws::Auth::AWSAuthHelper::NEWLINE << canonicalRequestHash;
+
+    return ss.str();
+}
+
+Aws::Utils::ByteBuffer AWSAuthV4Signer::ComputeHash(const Aws::String& secretKey,
+        const Aws::String& simpleDate, const Aws::String& region, const Aws::String& serviceName) const
+{
+    Aws::String signingKey(Aws::Auth::AWSAuthHelper::SIGNING_KEY);
+    signingKey.append(secretKey);
+    auto hashResult = m_HMAC->Calculate(ByteBuffer((unsigned char*)simpleDate.c_str(), simpleDate.length()),
+            ByteBuffer((unsigned char*)signingKey.c_str(), signingKey.length()));
+
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4LogTag, "Failed to HMAC (SHA256) date string \"" << simpleDate << "\"");
+        return {};
+    }
+
+    auto kDate = hashResult.GetResult();
+    hashResult = m_HMAC->Calculate(ByteBuffer((unsigned char*)region.c_str(), region.length()), kDate);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4LogTag, "Failed to HMAC (SHA256) region string \"" << region << "\"");
+        return {};
+    }
+
+    auto kRegion = hashResult.GetResult();
+    hashResult = m_HMAC->Calculate(ByteBuffer((unsigned char*)serviceName.c_str(), serviceName.length()), kRegion);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4LogTag, "Failed to HMAC (SHA256) service string \"" << m_serviceName << "\"");
+        return {};
+    }
+
+    auto kService = hashResult.GetResult();
+    hashResult = m_HMAC->Calculate(ByteBuffer((unsigned char*)Aws::Auth::AWSAuthHelper::AWS4_REQUEST, strlen(Aws::Auth::AWSAuthHelper::AWS4_REQUEST)), kService);
+    if (!hashResult.IsSuccess())
+    {
+        AWS_LOGSTREAM_ERROR(v4LogTag, "Unable to HMAC (SHA256) request string");
+        AWS_LOGSTREAM_DEBUG(v4LogTag, "The request string is: \"" << Aws::Auth::AWSAuthHelper::AWS4_REQUEST << "\"");
+        return {};
+    }
+    return hashResult.GetResult();
+}
diff --git a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSNullSigner.cpp b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSNullSigner.cpp
new file mode 100644
index 0000000000..d94cb421f2
--- /dev/null
+++ b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/auth/signer/AWSNullSigner.cpp
@@ -0,0 +1,14 @@
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
+#include <aws/core/auth/signer/AWSNullSigner.h>
+
+namespace Aws
+{
+    namespace Auth
+    {
+        const char NULL_SIGNER[] = "NullSigner";
+    }
+}