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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef GRPCPP_SECURITY_AUTH_CONTEXT_H
#define GRPCPP_SECURITY_AUTH_CONTEXT_H
#include <iterator>
#include <vector>
#include <grpcpp/support/config.h>
#include <grpcpp/support/string_ref.h>
struct grpc_auth_context;
struct grpc_auth_property;
struct grpc_auth_property_iterator;
namespace grpc {
class SecureAuthContext;
typedef std::pair<string_ref, string_ref> AuthProperty;
class AuthPropertyIterator {
public:
using iterator_category = std::forward_iterator_tag;
using value_type = const AuthProperty;
using pointer = void;
using reference = void;
using difference_type = std::ptrdiff_t;
~AuthPropertyIterator();
AuthPropertyIterator& operator++();
AuthPropertyIterator operator++(int);
bool operator==(const AuthPropertyIterator& rhs) const;
bool operator!=(const AuthPropertyIterator& rhs) const;
AuthProperty operator*();
protected:
AuthPropertyIterator();
AuthPropertyIterator(const grpc_auth_property* property,
const grpc_auth_property_iterator* iter);
private:
friend class SecureAuthContext;
const grpc_auth_property* property_;
// The following items form a grpc_auth_property_iterator.
const grpc_auth_context* ctx_;
size_t index_;
const char* name_;
};
/// Class encapsulating the Authentication Information.
///
/// It includes the secure identity of the peer, the type of secure transport
/// used as well as any other properties required by the authorization layer.
class AuthContext {
public:
virtual ~AuthContext() {}
/// Returns true if the peer is authenticated.
virtual bool IsPeerAuthenticated() const = 0;
/// A peer identity.
///
/// It is, in general, comprised of one or more properties (in which case they
/// have the same name).
virtual std::vector<grpc::string_ref> GetPeerIdentity() const = 0;
virtual std::string GetPeerIdentityPropertyName() const = 0;
/// Returns all the property values with the given name.
virtual std::vector<grpc::string_ref> FindPropertyValues(
const std::string& name) const = 0;
/// Iteration over all the properties.
virtual AuthPropertyIterator begin() const = 0;
virtual AuthPropertyIterator end() const = 0;
/// Mutation functions: should only be used by an AuthMetadataProcessor.
virtual void AddProperty(const std::string& key, const string_ref& value) = 0;
virtual bool SetPeerIdentityPropertyName(const std::string& name) = 0;
};
} // namespace grpc
#endif // GRPCPP_SECURITY_AUTH_CONTEXT_H
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