62 lines
2.6 KiB
C++
62 lines
2.6 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Google LLC.
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//
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// This software is licensed under the terms defined in the Widevine Master
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// License Agreement. For a copy of this agreement, please contact
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// widevine-licensing@google.com.
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////////////////////////////////////////////////////////////////////////////////
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// Utilities for manipulating the ClientIdentification proto.
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// ClientIdentification.client_info() contains a sequence of
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// arbitrary name-value pairs; this code consolidates the
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// accessors for them in one place.
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#ifndef COMMON_CLIENT_ID_UTIL_H_
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#define COMMON_CLIENT_ID_UTIL_H_
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#include "absl/strings/string_view.h"
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#include "common/status.h"
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#include "protos/public/client_identification.pb.h"
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namespace widevine {
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// Append the given name/value pair to client_id->client_info(). Does not
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// check for duplicates.
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void AddClientInfo(ClientIdentification* client_id, absl::string_view name,
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absl::string_view value);
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// Append the given name/value pair to client_id->client_info(). If the
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// given name already had a value, replaces it and returns true.
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bool SetClientInfo(ClientIdentification* client_id, absl::string_view name,
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absl::string_view value);
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// Return the value from client_id.client_info() matching the given name,
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// or the empty std::string if not found.
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std::string GetClientInfo(const ClientIdentification& client_id,
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absl::string_view name);
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// Return the value from client_id.client_info() matching the given name,
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// or the given default value if not found.
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std::string GetClientInfo(const ClientIdentification& client_id,
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absl::string_view name, const std::string& default_value);
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// Decrypts the encrypted client identification in |encrypted_client_id| into
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// |client_id| using the private key for the service certificate which was
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// used to encrypt the information.
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// |client_id| is owned by caller.
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// Returns util::Status::OK, if successful, else an error.
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util::Status DecryptEncryptedClientIdentification(
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const EncryptedClientIdentification& encrypted_client_id,
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ClientIdentification* client_id);
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// Decrypts the encrypted client identification in |encrypted_client_id| into
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// |client_id| using |privacy_key|.
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// |client_id| is owned by caller.
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// Returns util::Status::OK, if successful, else an error.
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util::Status DecryptEncryptedClientIdentification(
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const EncryptedClientIdentification& encrypted_client_id,
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const std::string& privacy_key, ClientIdentification* client_id);
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} // namespace widevine
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#endif // COMMON_CLIENT_ID_UTIL_H_
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