8ba1bad80d
The methodology used to generate this CL is documented in https://crbug.com/1098010#c34. No-Try: true No-Presubmit: true Bug: 1098010 Change-Id: If6a3370b0b2849d889ce797596fe1ccbad2f3fe6 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3891619 Auto-Submit: Avi Drissman <avi@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Avi Drissman <avi@chromium.org> Owners-Override: Avi Drissman <avi@chromium.org> Cr-Commit-Position: refs/heads/main@{#1046502}
93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
// Copyright 2015 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef COMPONENTS_GCM_DRIVER_CRYPTO_ENCRYPTION_HEADER_PARSERS_H_
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#define COMPONENTS_GCM_DRIVER_CRYPTO_ENCRYPTION_HEADER_PARSERS_H_
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#include <stdint.h>
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#include <string>
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#include "base/strings/string_piece.h"
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#include "net/http/http_util.h"
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namespace gcm {
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// Iterates over a header that follows the syntax of the Encryption HTTP header
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// per the Encrypted Content-Encoding for HTTP draft. This header follows the
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// #list syntax from the extended ABNF syntax defined in section 1.2 of RFC7230.
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//
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// https://tools.ietf.org/html/draft-thomson-http-encryption#section-3
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// https://tools.ietf.org/html/rfc7230#section-1.2
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class EncryptionHeaderIterator {
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public:
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EncryptionHeaderIterator(std::string::const_iterator header_begin,
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std::string::const_iterator header_end);
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~EncryptionHeaderIterator();
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// Advances the iterator to the next header value, if any. Returns true if
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// there is a next value. Use the keyid(), salt() and rs() methods to access
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// the key-value pairs included in the header value.
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bool GetNext();
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const std::string& keyid() const {
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return keyid_;
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}
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const std::string& salt() const {
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return salt_;
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}
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uint64_t rs() const {
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return rs_;
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}
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private:
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net::HttpUtil::ValuesIterator iterator_;
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std::string keyid_;
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std::string salt_;
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uint64_t rs_;
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};
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// Iterates over a header that follows the syntax of the Crypto-Key HTTP header
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// per the Encrypted Content-Encoding for HTTP draft. This header follows the
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// #list syntax from the extended ABNF syntax defined in section 1.2 of RFC7230.
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//
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// https://tools.ietf.org/html/draft-thomson-http-encryption#section-4
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// https://tools.ietf.org/html/rfc7230#section-1.2
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class CryptoKeyHeaderIterator {
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public:
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CryptoKeyHeaderIterator(std::string::const_iterator header_begin,
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std::string::const_iterator header_end);
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~CryptoKeyHeaderIterator();
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// Advances the iterator to the next header value, if any. Returns true if
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// there is a next value. Use the keyid(), aesgcm128() and dh() methods to
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// access the key-value pairs included in the header value.
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bool GetNext();
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const std::string& keyid() const {
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return keyid_;
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}
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const std::string& aesgcm128() const {
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return aesgcm128_;
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}
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const std::string& dh() const {
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return dh_;
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}
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private:
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net::HttpUtil::ValuesIterator iterator_;
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std::string keyid_;
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std::string aesgcm128_;
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std::string dh_;
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};
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} // namespace gcm
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#endif // COMPONENTS_GCM_DRIVER_CRYPTO_ENCRYPTION_HEADER_PARSERS_H_
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