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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

interface nsIPrincipal;
interface nsIURI;

[scriptable, uuid(bb409a51-2371-4fea-9dc9-b7286a458b8c)]
/**
 * This interface defines a "permission" object,
 * used to specify allowed/blocked objects from
 * user-specified sites (cookies, images etc).
 */

interface nsIPermission : nsISupports
{
    /**
     * The principal for which this permission applies.
     */
    readonly attribute nsIPrincipal principal;

    /**
     * a case-sensitive ASCII string, indicating the type of permission
     * (e.g., "cookie", "image", etc).
     * This string is specified by the consumer when adding a permission 
     * via nsIPermissionManager.
     * @see nsIPermissionManager
     */
    readonly attribute ACString type;

    /**
     * The permission (see nsIPermissionManager.idl for allowed values)
     */
    readonly attribute uint32_t capability;

    /**
     * The expiration type of the permission (session, time-based or none).
     * Constants are EXPIRE_*, defined in nsIPermissionManager.
     * @see nsIPermissionManager
     */
    readonly attribute uint32_t expireType;

    /**
     * The expiration time of the permission (milliseconds since Jan 1 1970
     * 0:00:00).
     */
    readonly attribute int64_t expireTime;

    /**
     * Test whether a principal would be affected by this permission.
     *
     * @param principal  the principal to test
     * @param exactHost  If true, only the specific host will be matched,
     *                   @see nsIPermissionManager::testExactPermission.
     *                   If false, subdomains will also be searched,
     *                   @see nsIPermissionManager::testPermission.
     */
    boolean matches(in nsIPrincipal principal,
                    in boolean exactHost);

    /**
     * Test whether a URI would be affected by this permission.
     * NOTE: This performs matches with default origin attribute values.
     *
     * @param uri        the uri to test
     * @param exactHost  If true, only the specific host will be matched,
     *                   @see nsIPermissionManager::testExactPermission.
     *                   If false, subdomains will also be searched,
     *                   @see nsIPermissionManager::testPermission.
     */
    boolean matchesURI(in nsIURI uri,
                       in boolean exactHost);
};