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/*
*
* Copyright 2015-2016, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPCXX_IMPL_CODEGEN_SECURITY_AUTH_CONTEXT_H
#define GRPCXX_IMPL_CODEGEN_SECURITY_AUTH_CONTEXT_H
#include <iterator>
#include <vector>
#include <grpc++/impl/codegen/config.h>
#include <grpc++/impl/codegen/string_ref.h>
struct grpc_auth_context;
struct grpc_auth_property;
struct grpc_auth_property_iterator;
namespace grpc {
class SecureAuthContext;
typedef std::pair<grpc::string_ref, grpc::string_ref> AuthProperty;
class AuthPropertyIterator
: public std::iterator<std::input_iterator_tag, const AuthProperty> {
public:
~AuthPropertyIterator();
AuthPropertyIterator& operator++();
AuthPropertyIterator operator++(int);
bool operator==(const AuthPropertyIterator& rhs) const;
bool operator!=(const AuthPropertyIterator& rhs) const;
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 grpc::string GetPeerIdentityPropertyName() const = 0;
/// Returns all the property values with the given name.
virtual std::vector<grpc::string_ref> FindPropertyValues(
const grpc::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 grpc::string& key,
const grpc::string_ref& value) = 0;
virtual bool SetPeerIdentityPropertyName(const grpc::string& name) = 0;
};
} // namespace grpc
#endif // GRPCXX_IMPL_CODEGEN_SECURITY_AUTH_CONTEXT_H
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