mirror of
https://github.com/gyurix1968/guacamole-client.git
synced 2025-09-06 13:17:41 +00:00
GUAC-1100: Implement Simple* read-only versions of the permission sets.
This commit is contained in:
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/*
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* Copyright (C) 2015 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package org.glyptodon.guacamole.net.auth.simple;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Set;
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import org.glyptodon.guacamole.GuacamoleException;
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import org.glyptodon.guacamole.GuacamoleSecurityException;
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import org.glyptodon.guacamole.net.auth.permission.ObjectPermission;
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import org.glyptodon.guacamole.net.auth.permission.ObjectPermissionSet;
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/**
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* A read-only implementation of ObjectPermissionSet which uses a backing Set
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* of Permissions to determine which permissions are present.
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*
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* @author Michael Jumper
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* @param <IdentifierType>
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* The type of identifier used to identify objects affected by permissions
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* stored in this SimpleObjectPermissionSet.
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*
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* @param <ObjectType>
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* The type of objects affected by permissions stored in this
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* SimpleObjectPermissionSet.
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*/
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public class SimpleObjectPermissionSet<IdentifierType, ObjectType>
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implements ObjectPermissionSet<IdentifierType, ObjectType> {
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/**
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* The set of all permissions currently granted.
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*/
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private Set<ObjectPermission<IdentifierType>> permissions = Collections.EMPTY_SET;
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/**
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* Creates a new empty SimpleObjectPermissionSet.
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*/
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public SimpleObjectPermissionSet() {
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}
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/**
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* Creates a new SimpleObjectPermissionSet which contains the permissions
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* within the given Set.
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*
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* @param permissions
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* The Set of permissions this SimpleObjectPermissionSet should
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* contain.
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*/
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public SimpleObjectPermissionSet(Set<ObjectPermission<IdentifierType>> permissions) {
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this.permissions = permissions;
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}
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/**
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* Sets the Set which backs this SimpleObjectPermissionSet. Future function
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* calls on this SimpleObjectPermissionSet will use the provided Set.
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*
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* @param permissions
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* The Set of permissions this SimpleObjectPermissionSet should
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* contain.
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*/
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protected void setPermissions(Set<ObjectPermission<IdentifierType>> permissions) {
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this.permissions = permissions;
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}
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/**
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* Returns the Set which currently backs this SimpleObjectPermissionSet.
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* Changes to this Set will affect future function calls on this
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* SimpleObjectPermissionSet.
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*
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* @return
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* The Set of permissions this SimpleObjectPermissionSet currently
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* contains.
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*/
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protected Set<ObjectPermission<IdentifierType>> getPermissions() {
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return permissions;
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}
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@Override
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public boolean hasPermission(ObjectPermission.Type permission,
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IdentifierType identifier) throws GuacamoleException {
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ObjectPermission<IdentifierType> objectPermission =
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new ObjectPermission<IdentifierType>(permission, identifier);
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return permissions.contains(objectPermission);
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}
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@Override
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public void addPermission(ObjectPermission.Type permission,
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IdentifierType identifier) throws GuacamoleException {
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throw new GuacamoleSecurityException("Permission denied.");
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}
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@Override
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public void removePermission(ObjectPermission.Type permission,
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IdentifierType identifier) throws GuacamoleException {
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throw new GuacamoleSecurityException("Permission denied.");
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}
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@Override
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public Collection<IdentifierType> getAccessibleObjects(
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Collection<ObjectPermission.Type> permissionTypes,
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Collection<IdentifierType> identifiers) throws GuacamoleException {
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Collection<IdentifierType> accessibleObjects = new ArrayList<IdentifierType>(permissions.size());
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// For each identifier/permission combination
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for (IdentifierType identifier : identifiers) {
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for (ObjectPermission.Type permissionType : permissionTypes) {
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// Add identifier if at least one requested permission is granted
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ObjectPermission<IdentifierType> permission = new ObjectPermission<IdentifierType>(permissionType, identifier);
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if (permissions.contains(permission)) {
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accessibleObjects.add(identifier);
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break;
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}
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}
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}
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return accessibleObjects;
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}
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}
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@@ -0,0 +1,109 @@
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/*
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* Copyright (C) 2015 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
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|
* of this software and associated documentation files (the "Software"), to deal
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|
* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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|
* copies of the Software, and to permit persons to whom the Software is
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|
* furnished to do so, subject to the following conditions:
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|
*
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* The above copyright notice and this permission notice shall be included in
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|
* all copies or substantial portions of the Software.
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|
*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package org.glyptodon.guacamole.net.auth.simple;
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import java.util.Collections;
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import java.util.Set;
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import org.glyptodon.guacamole.GuacamoleException;
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import org.glyptodon.guacamole.GuacamoleSecurityException;
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import org.glyptodon.guacamole.net.auth.permission.SystemPermission;
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import org.glyptodon.guacamole.net.auth.permission.SystemPermissionSet;
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/**
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* A read-only implementation of SystemPermissionSet which uses a backing Set
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* of Permissions to determine which permissions are present.
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*
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* @author Michael Jumper
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*/
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public class SimpleSystemPermissionSet implements SystemPermissionSet {
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/**
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* The set of all permissions currently granted.
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*/
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private Set<SystemPermission> permissions = Collections.EMPTY_SET;
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/**
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* Creates a new empty SimpleSystemPermissionSet.
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*/
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public SimpleSystemPermissionSet() {
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}
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/**
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* Creates a new SimpleSystemPermissionSet which contains the permissions
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* within the given Set.
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*
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* @param permissions
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* The Set of permissions this SimpleSystemPermissionSet should
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* contain.
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*/
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public SimpleSystemPermissionSet(Set<SystemPermission> permissions) {
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this.permissions = permissions;
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}
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/**
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* Sets the Set which backs this SimpleSystemPermissionSet. Future function
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* calls on this SimpleSystemPermissionSet will use the provided Set.
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*
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* @param permissions
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* The Set of permissions this SimpleSystemPermissionSet should
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* contain.
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*/
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protected void setPermissions(Set<SystemPermission> permissions) {
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this.permissions = permissions;
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}
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/**
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* Returns the Set which currently backs this SimpleSystemPermissionSet.
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* Changes to this Set will affect future function calls on this
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* SimpleSystemPermissionSet.
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*
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* @return
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* The Set of permissions this SimpleSystemPermissionSet currently
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* contains.
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*/
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protected Set<SystemPermission> getPermissions() {
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return permissions;
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}
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@Override
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public boolean hasPermission(SystemPermission.Type permission)
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throws GuacamoleException {
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SystemPermission systemPermission = new SystemPermission(permission);
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return permissions.contains(systemPermission);
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}
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@Override
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public void addPermission(SystemPermission.Type permission)
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throws GuacamoleException {
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throw new GuacamoleSecurityException("Permission denied.");
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}
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@Override
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public void removePermission(SystemPermission.Type permission)
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throws GuacamoleException {
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throw new GuacamoleSecurityException("Permission denied.");
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}
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}
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