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48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
/*
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* Copyright (C) 2023-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.1
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*/
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#pragma once
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#include <map>
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#include <seastar/core/lowres_clock.hh>
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// The declared below get_signature() method makes the Signature string for AWS
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// authenticated requests as described in [1]. It can be used in two ways.
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//
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// First, if a request is about to be sent, the method can be used to create the
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// signature value that'll later be included into Authorization header, Signature
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// part. It's up to the caller to provide request with relevant headers and the
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// signed_headers_map list.
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//
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// Second, for a received request this method can be used to calculate the signature
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// that can later be compared with the request's Authorization header, Signature
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// part for correctness.
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//
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// [1] https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-auth-using-authorization-header.html
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namespace utils {
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using hmac_sha256_digest = std::array<char, 32>;
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namespace aws {
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std::string get_signature(std::string_view access_key_id, std::string_view secret_access_key,
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std::string_view host, std::string_view canonical_uri, std::string_view method,
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std::optional<std::string_view> orig_datestamp, std::string_view signed_headers_str, const std::map<std::string_view, std::string_view>& signed_headers_map,
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const std::vector<seastar::temporary_buffer<char>>* body_content, std::string_view region, std::string_view service, std::string_view query_string);
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// Convenience alias not to pass obscure nullptr argument to get_signature()
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inline constexpr std::vector<seastar::temporary_buffer<char>>* unsigned_content = nullptr;
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// Same for datestamp checking
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inline auto omit_datestamp_expiration_check = std::nullopt;
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std::string format_time_point(seastar::lowres_system_clock::time_point tp);
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} // aws namespace
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} // utils namespace
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