<commit_before>-----------------------------------------------------------------------
--  security -- Security
--  Copyright (C) 2010, 2011, 2012 <NAME>
--  Written by <NAME> (<EMAIL>)
--
--  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.
-----------------------------------------------------------------------

--  == Introduction ==
--  The <tt>Security</tt> package provides a security framework that allows
--  an application to use OpenID or OAuth security frameworks.  This security
--  framework was first developed within the Ada Server Faces project.
--  This package defines abstractions that are close or similar to Java
--  security package.
--
--  === Principal ===
--  The <tt>Principal</tt> is the entity that can be authenticated.  A principal is obtained
--  after successful authentication of a user or of a system through an authorization process.
--  The OpenID or OAuth authentication processes generate such security principal.
--
--  === Permission ===
--  The <tt>Permission</tt> represents an access to a system or application resource.
--  A permission is checked by using the security manager.  The security manager uses a
--  security controller to enforce the permission.
--
--  @include security-permissions.ads
--  @include security-openid.ads
--  @include security-oauth.ads
--  @include security-contexts.ads
--  @include security-controllers.ads
package Security is

   --  ------------------------------
   --  Principal
   --  ------------------------------
   type Principal is limited interface;
   type Principal_Access is access all Principal'Class;

   --  Get the principal name.
   function Get_Name (From : in Principal) return String is abstract;

end Security;
<commit_msg>Document the policy and policy manager<commit_after>-----------------------------------------------------------------------
--  security -- Security
--  Copyright (C) 2010, 2011, 2012 <NAME>
--  Written by <NAME> (<EMAIL>)
--
--  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.
-----------------------------------------------------------------------

--  == Introduction ==
--  The <tt>Security</tt> package provides a security framework that allows
--  an application to use OpenID or OAuth security frameworks.  This security
--  framework was first developed within the Ada Server Faces project.
--  This package defines abstractions that are close or similar to Java
--  security package.
--
--  === Policy and policy manager ===
--  The <tt>Policy</tt> defines and implements the set of security rules that specify how to
--  protect the system or resources.  The <tt>Policy_Manager</tt> maintains the security policies.
--
--  === Principal ===
--  The <tt>Principal</tt> is the entity that can be authenticated.  A principal is obtained
--  after successful authentication of a user or of a system through an authorization process.
--  The OpenID or OAuth authentication processes generate such security principal.
--
--  === Permission ===
--  The <tt>Permission</tt> represents an access to a system or application resource.
--  A permission is checked by using the security policy manager.  The policy manager uses a
--  security controller to enforce the permission.
--
--  === Security Context ===
--  The <tt>Security_Context</tt> holds the contextual information that the security controller
--  can use to verify the permission.  The security context is associated with a principal and
--  a set of policy context.
--
--
--  [http://ada-security.googlecode.com/svn/wiki/ModelOverview.png]
--
--  @include security-permissions.ads
--  @include security-openid.ads
--  @include security-oauth.ads
--  @include security-contexts.ads
--  @include security-controllers.ads
package Security is

   --  ------------------------------
   --  Principal
   --  ------------------------------
   type Principal is limited interface;
   type Principal_Access is access all Principal'Class;

   --  Get the principal name.
   function Get_Name (From : in Principal) return String is abstract;

end Security;

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