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260 lines
11 KiB
Plaintext
260 lines
11 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* This file contains an interface to the Permission Manager,
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* used to persistenly store permissions for different object types (cookies,
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* images etc) on a site-by-site basis.
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*
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* This service broadcasts the following notification when the permission list
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* is changed:
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*
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* topic : "perm-changed" (PERM_CHANGE_NOTIFICATION)
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* broadcast whenever the permission list changes in some way. there
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* are four possible data strings for this notification; one
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* notification will be broadcast for each change, and will involve
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* a single permission.
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* subject: an nsIPermission interface pointer representing the permission object
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* that changed.
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* data : "deleted"
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* a permission was deleted. the subject is the deleted permission.
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* "added"
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* a permission was added. the subject is the added permission.
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* "changed"
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* a permission was changed. the subject is the new permission.
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* "cleared"
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* the entire permission list was cleared. the subject is null.
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*/
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#include "nsISupports.idl"
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interface nsIURI;
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interface nsIObserver;
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interface nsIPrincipal;
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interface nsIDOMWindow;
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interface nsIPermission;
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interface nsISimpleEnumerator;
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[scriptable, uuid(c9fec678-f194-43c9-96b0-7bd9dbdd6bb0)]
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interface nsIPermissionManager : nsISupports
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{
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/**
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* Predefined return values for the testPermission method and for
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* the permission param of the add method
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* NOTE: UNKNOWN_ACTION (0) is reserved to represent the
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* default permission when no entry is found for a host, and
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* should not be used by consumers to indicate otherwise.
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*/
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const uint32_t UNKNOWN_ACTION = 0;
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const uint32_t ALLOW_ACTION = 1;
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const uint32_t DENY_ACTION = 2;
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const uint32_t PROMPT_ACTION = 3;
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/**
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* Predefined expiration types for permissions. Permissions can be permanent
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* (never expire), expire at the end of the session, or expire at a specified
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* time. Permissions that expire at the end of a session may also have a
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* specified expiration time.
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*/
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const uint32_t EXPIRE_NEVER = 0;
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const uint32_t EXPIRE_SESSION = 1;
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const uint32_t EXPIRE_TIME = 2;
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/**
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* Add permission information for a given URI and permission type. This
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* operation will cause the type string to be registered if it does not
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* currently exist. If a permission already exists for a given type, it
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* will be modified.
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*
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* @param uri the uri to add the permission for
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* @param type a case-sensitive ASCII string, identifying the consumer.
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* Consumers should choose this string to be unique, with
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* respect to other consumers.
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* @param permission an integer representing the desired action (e.g. allow
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* or deny). The interpretation of this number is up to the
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* consumer, and may represent different actions for different
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* types. Consumers may use one of the enumerated permission
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* actions defined above, for convenience.
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* NOTE: UNKNOWN_ACTION (0) is reserved to represent the
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* default permission when no entry is found for a host, and
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* should not be used by consumers to indicate otherwise.
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* @param expiretype a constant defining whether this permission should
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* never expire (EXPIRE_NEVER), expire at the end of the
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* session (EXPIRE_SESSION), or expire at a specified time
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* (EXPIRE_TIME).
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* @param expiretime an integer representation of when this permission
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* should be forgotten (milliseconds since Jan 1 1970 0:00:00).
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*/
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void add(in nsIURI uri,
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in string type,
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in uint32_t permission,
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[optional] in uint32_t expireType,
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[optional] in int64_t expireTime);
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/**
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* Add permission information for a given principal.
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* It is internally calling the other add() method using the nsIURI from the
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* principal.
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* Passing a system principal will be a no-op because they will always be
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* granted permissions.
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*/
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void addFromPrincipal(in nsIPrincipal principal, in string typed,
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in uint32_t permission,
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[optional] in uint32_t expireType,
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[optional] in int64_t expireTime);
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/**
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* Remove permission information for a given host string and permission type.
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* The host string represents the exact entry in the permission list (such as
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* obtained from the enumerator), not a URI which that permission might apply
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* to.
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*
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* @param host the host to remove the permission for
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* @param type a case-sensitive ASCII string, identifying the consumer.
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* The type must have been previously registered using the
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* add() method.
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*/
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void remove(in AUTF8String host,
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in string type);
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/**
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* Remove permission information for a given principal.
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* This is internally calling remove() with the host from the principal's URI.
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* Passing system principal will be a no-op because we never add them to the
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* database.
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*/
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void removeFromPrincipal(in nsIPrincipal principal, in string type);
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/**
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* Clear permission information for all websites.
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*/
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void removeAll();
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/**
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* Test whether a website has permission to perform the given action.
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* @param uri the uri to be tested
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* @param type a case-sensitive ASCII string, identifying the consumer
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* @param return see add(), param permission. returns UNKNOWN_ACTION when
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* there is no stored permission for this uri and / or type.
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*/
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uint32_t testPermission(in nsIURI uri,
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in string type);
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/**
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* Test whether the principal has the permission to perform a given action.
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* System principals will always have permissions granted.
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*/
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uint32_t testPermissionFromPrincipal(in nsIPrincipal principal,
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in string type);
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/**
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* Test whether the principal associated with the window's document has the
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* permission to perform a given action. System principals will always
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* have permissions granted.
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*/
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uint32_t testPermissionFromWindow(in nsIDOMWindow window,
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in string type);
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/**
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* Test whether a website has permission to perform the given action.
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* This requires an exact hostname match, subdomains are not a match.
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* @param uri the uri to be tested
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* @param type a case-sensitive ASCII string, identifying the consumer
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* @param return see add(), param permission. returns UNKNOWN_ACTION when
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* there is no stored permission for this uri and / or type.
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*/
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uint32_t testExactPermission(in nsIURI uri,
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in string type);
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/**
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* See testExactPermission() above.
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* System principals will always have permissions granted.
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*/
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uint32_t testExactPermissionFromPrincipal(in nsIPrincipal principal,
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in string type);
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/**
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* Test whether a website has permission to perform the given action
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* ignoring active sessions.
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* System principals will always have permissions granted.
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*
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* @param principal the principal
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* @param type a case-sensitive ASCII string, identifying the consumer
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* @param return see add(), param permission. returns UNKNOWN_ACTION when
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* there is no stored permission for this uri and / or type.
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*/
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uint32_t testExactPermanentPermission(in nsIPrincipal principal,
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in string type);
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/**
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* Get the permission object associated with the given principal and action.
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* @param principal The principal
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* @param type A case-sensitive ASCII string identifying the consumer
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* @param exactHost If true, only the specific host will be matched,
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* @see testExactPermission. If false, subdomains will
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* also be searched, @see testPermission.
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* @returns The matching permission object, or null if no matching object
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* was found. No matching object is equivalent to UNKNOWN_ACTION.
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* @note Clients in general should prefer the test* methods unless they
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* need to know the specific stored details.
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* @note This method will always return null for the system principal.
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*/
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nsIPermission getPermissionObject(in nsIPrincipal principal,
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in string type,
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in boolean exactHost);
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/**
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* Increment or decrement our "refcount" of an app id.
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*
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* We use this refcount to determine an app's lifetime. When an app's
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* refcount goes to 0, we clear the permissions given to the app which are
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* set to expire at the end of its session.
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*/
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void addrefAppId(in unsigned long appId);
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void releaseAppId(in unsigned long appId);
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/**
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* Allows enumeration of all stored permissions
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* @return an nsISimpleEnumerator interface that allows access to
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* nsIPermission objects
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*/
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readonly attribute nsISimpleEnumerator enumerator;
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/**
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* Remove all permissions associated with a given app id.
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* @param aAppId The appId of the app
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* @param aBrowserOnly Whether we should remove permissions associated with
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* a browser element (true) or all permissions (false).
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*/
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void removePermissionsForApp(in unsigned long appId,
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in boolean browserOnly);
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/**
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* If the current permission is set to expire, reset the expiration time. If
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* there is no permission or the current permission does not expire, this
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* method will silently return.
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*
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* @param sessionExpiretime an integer representation of when this permission
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* should be forgotten (milliseconds since
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* Jan 1 1970 0:00:00), if it is currently
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* EXPIRE_SESSION.
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* @param sessionExpiretime an integer representation of when this permission
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* should be forgotten (milliseconds since
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* Jan 1 1970 0:00:00), if it is currently
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* EXPIRE_TIME.
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*/
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void updateExpireTime(in nsIPrincipal principal,
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in string type,
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in boolean exactHost,
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in uint64_t sessionExpireTime,
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in uint64_t persistentExpireTime);
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};
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%{ C++
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#define NS_PERMISSIONMANAGER_CONTRACTID "@mozilla.org/permissionmanager;1"
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#define PERM_CHANGE_NOTIFICATION "perm-changed"
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%}
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