136 lines
3.4 KiB
C++
136 lines
3.4 KiB
C++
//
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// VMime library (http://www.vmime.org)
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// Copyright (C) 2002-2006 Vincent Richard <vincent@vincent-richard.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// Linking this library statically or dynamically with other modules is making
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// a combined work based on this library. Thus, the terms and conditions of
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// the GNU General Public License cover the whole combination.
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//
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#ifndef VMIME_SECURITY_SASL_SASLMECHANISMFACTORY_HPP_INCLUDED
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#define VMIME_SECURITY_SASL_SASLMECHANISMFACTORY_HPP_INCLUDED
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#include "vmime/types.hpp"
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#include "vmime/base.hpp"
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#include "vmime/security/sasl/SASLMechanism.hpp"
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#include <map>
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namespace vmime {
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namespace security {
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namespace sasl {
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class SASLContext;
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/** Constructs SASL mechanism objects.
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*/
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class SASLMechanismFactory : public object
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{
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private:
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SASLMechanismFactory();
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~SASLMechanismFactory();
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class registeredMechanism : public object
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{
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public:
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virtual ref <SASLMechanism> create
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(ref <SASLContext> ctx, const string& name) = 0;
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};
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template <typename T>
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class registeredMechanismImpl : public registeredMechanism
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{
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public:
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ref <SASLMechanism> create(ref <SASLContext> ctx, const string& name)
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{
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return vmime::create <T>(ctx, name);
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}
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};
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typedef std::map <string, ref <registeredMechanism> > MapType;
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MapType m_mechs;
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public:
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static SASLMechanismFactory* getInstance();
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/** Register a mechanism into this factory, so that subsequent
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* calls to create return a valid object for this mechanism.
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*
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* @param name mechanism name
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*/
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template <typename MECH_CLASS>
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void registerMechanism(const string& name)
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{
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m_mechs.insert(MapType::value_type(name,
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vmime::create <registeredMechanismImpl <MECH_CLASS> >()));
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}
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/** Create a mechanism object given its name.
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*
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* @param ctx SASL context
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* @param name mechanism name
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* @return a new mechanism object
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* @throw exceptions::no_such_mechanism if no mechanism is
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* registered for the specified name
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*/
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ref <SASLMechanism> create(ref <SASLContext> ctx, const string& name);
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/** Return a list of supported mechanisms. This includes mechanisms
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* registered using registerMechanism() as well as the ones that
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* are built-in.
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*
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* @return list of supported mechanisms
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*/
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const std::vector <string> getSupportedMechanisms() const;
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/** Test whether an authentication mechanism is supported.
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*
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* @param name mechanism name
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* @return true if the specified mechanism is supported,
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* false otherwise
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*/
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const bool isMechanismSupported(const string& name) const;
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private:
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#ifdef GSASL_VERSION
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Gsasl* m_gsaslContext;
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#else
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void* m_gsaslContext;
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#endif // GSASL_VERSION
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};
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} // sasl
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} // security
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} // vmime
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#endif // VMIME_SECURITY_SASL_SASLMECHANISMFACTORY_HPP_INCLUDED
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