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// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.api.role;
import java.net.URI;
import java.util.Objects;
/**
* A role is a combination of a {@link RoleDefinition} and a {@link Context}, which allows evaluation
* of access control for a given action on a resource. Create using {@link Roles}.
*
* @author jonmv
*/
public abstract class Role {
private final RoleDefinition roleDefinition;
final Context context;
Role(RoleDefinition roleDefinition, Context context) {
this.roleDefinition = Objects.requireNonNull(roleDefinition);
this.context = Objects.requireNonNull(context);
}
/** Returns the role definition of this bound role. */
public RoleDefinition definition() { return roleDefinition; }
/** Returns whether this role is allowed to perform the given action on the given resource. */
public final boolean allows(Action action, URI uri, Enforcer enforcer) {
return enforcer.allows(this, action, uri);
}
/** Returns whether the other role is a parent of this, and has a context included in this role's context. */
public boolean implies(Role other) {
return (context.tenant().isEmpty() || context.tenant().equals(other.context.tenant()))
&& (context.application().isEmpty() || context.application().equals(other.context.application()))
&& roleDefinition.inherited().contains(other.roleDefinition);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Role role = (Role) o;
return roleDefinition == role.roleDefinition &&
Objects.equals(context, role.context);
}
@Override
public int hashCode() {
return Objects.hash(roleDefinition, context);
}
}
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