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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+/**
+ * This file contains an interface to the Permission Manager,
+ * used to persistenly store permissions for different object types (cookies,
+ * images etc) on a site-by-site basis.
+ *
+ * This service broadcasts the following notification when the permission list
+ * is changed:
+ *
+ * topic : "perm-changed" (PERM_CHANGE_NOTIFICATION)
+ * broadcast whenever the permission list changes in some way. there
+ * are four possible data strings for this notification; one
+ * notification will be broadcast for each change, and will involve
+ * a single permission.
+ * subject: an nsIPermission interface pointer representing the permission object
+ * that changed.
+ * data : "deleted"
+ * a permission was deleted. the subject is the deleted permission.
+ * "added"
+ * a permission was added. the subject is the added permission.
+ * "changed"
+ * a permission was changed. the subject is the new permission.
+ * "cleared"
+ * the entire permission list was cleared. the subject is null.
+ */
+
+#include "nsISupports.idl"
+
+interface nsIPrincipal;
+interface nsIPermission;
+
+[scriptable, builtinclass, uuid(4dcb3851-eba2-4e42-b236-82d2596fca22)]
+interface nsIPermissionManager : nsISupports
+{
+ /**
+ * Predefined return values for the testPermission method and for
+ * the permission param of the add method
+ * NOTE: UNKNOWN_ACTION (0) is reserved to represent the
+ * default permission when no entry is found for a host, and
+ * should not be used by consumers to indicate otherwise.
+ */
+ const uint32_t UNKNOWN_ACTION = 0;
+ const uint32_t ALLOW_ACTION = 1;
+ const uint32_t DENY_ACTION = 2;
+ const uint32_t PROMPT_ACTION = 3;
+
+ /**
+ * Predefined expiration types for permissions. Permissions can be permanent
+ * (never expire), expire at the end of the session, or expire at a specified
+ * time. Permissions that expire at the end of a session may also have a
+ * specified expiration time.
+ *
+ * EXPIRE_POLICY is a special expiration status. It is set when the permission
+ * is set by reading an enterprise policy. These permissions cannot be overridden.
+ */
+ const uint32_t EXPIRE_NEVER = 0;
+ const uint32_t EXPIRE_SESSION = 1;
+ const uint32_t EXPIRE_TIME = 2;
+ const uint32_t EXPIRE_POLICY = 3;
+
+
+ /**
+ * Get all custom permissions for a given nsIPrincipal. This will return an
+ * enumerator of all permissions which are not set to default and which
+ * belong to the matching principal of the given nsIPrincipal.
+ *
+ * @param principal the URI to get all permissions for
+ */
+ Array<nsIPermission> getAllForPrincipal(in nsIPrincipal principal);
+
+ /**
+ * Get all custom permissions of a specific type, specified with a prefix
+ * string. This will return an array of all permissions which are not set to
+ * default. Also the passed type argument is either equal to or a prefix of
+ * the type of the returned permissions.
+ *
+ * @param prefix the type prefix string
+ */
+ Array<nsIPermission> getAllWithTypePrefix(in ACString prefix);
+
+
+ /**
+ * Get all custom permissions whose type exactly match one of the types defined
+ * in the passed array argument.
+ * This will return an array of all permissions which are not set to default.
+ *
+ * @param types an array of case-sensitive ASCII strings, identifying the
+ * permissions to be matched.
+ */
+ Array<nsIPermission> getAllByTypes(in Array<ACString> types);
+
+ /**
+ * Get all custom permissions of a specific type and that were modified after
+ * the specified date. This will return an array of all permissions which are
+ * not set to default.
+ *
+ * @param type a case-sensitive ASCII string, identifying the permission.
+ * @param since a unix timestamp representing the number of milliseconds from
+ * Jan 1, 1970 00:00:00 UTC.
+ */
+ Array<nsIPermission> getAllByTypeSince(in ACString type, in int64_t since);
+
+ /**
+ * Add permission information for a given principal.
+ * It is internally calling the other add() method using the nsIURI from the
+ * principal.
+ * Passing a system principal will be a no-op because they will always be
+ * granted permissions.
+ */
+ void addFromPrincipal(in nsIPrincipal principal, in ACString type,
+ in uint32_t permission,
+ [optional] in uint32_t expireType,
+ [optional] in int64_t expireTime);
+
+ /**
+ * Add permanent permission information for a given principal in private
+ * browsing.
+ *
+ * Normally permissions in private browsing are cleared at the end of the
+ * session, this method allows you to override this behavior and set
+ * permanent permissions.
+ *
+ * WARNING: setting permanent permissions _will_ leak data in private
+ * browsing. Only use if you understand the consequences and trade-offs. If
+ * you are unsure, |addFromPrincipal| is very likely what you want to use
+ * instead.
+ */
+ void addFromPrincipalAndPersistInPrivateBrowsing(in nsIPrincipal principal,
+ in ACString type,
+ in uint32_t permission);
+
+ /**
+ * Remove permission information for a given principal.
+ * This is internally calling remove() with the host from the principal's URI.
+ * Passing system principal will be a no-op because we never add them to the
+ * database.
+ */
+ void removeFromPrincipal(in nsIPrincipal principal, in ACString type);
+
+ /**
+ * Remove the given permission from the permission manager.
+ *
+ * @param perm a permission obtained from the permission manager.
+ */
+ void removePermission(in nsIPermission perm);
+
+ /**
+ * Clear permission information for all websites.
+ */
+ void removeAll();
+
+ /**
+ * Clear all permission information added since the specified time.
+ */
+ void removeAllSince(in int64_t since);
+
+ /**
+ * Clear all permissions of the passed type.
+ */
+ void removeByType(in ACString type);
+
+ /**
+ * Clear all permissions of the passed type added since the specified time.
+ * @param type a case-sensitive ASCII string, identifying the permission.
+ * @param since a unix timestamp representing the number of milliseconds from
+ * Jan 1, 1970 00:00:00 UTC.
+ */
+ void removeByTypeSince(in ACString type, in int64_t since);
+
+ /**
+ * Test whether the principal has the permission to perform a given action.
+ * System principals will always have permissions granted.
+ * This function will perform a pref lookup to permissions.default.<type>
+ * if the specific permission type is part of the whitelist for that functionality.
+ */
+ uint32_t testPermissionFromPrincipal(in nsIPrincipal principal,
+ in ACString type);
+
+ /**
+ * Test whether the principal has the permission to perform a given action.
+ * This requires an exact hostname match. Subdomain principals do not match
+ * permissions of base domains.
+ * System principals will always have permissions granted.
+ * This function will perform a pref lookup to permissions.default.<type>
+ * if the specific permission type is part of the whitelist for that functionality.
+ */
+ uint32_t testExactPermissionFromPrincipal(in nsIPrincipal principal,
+ in ACString type);
+
+ /**
+ * Test whether a website has permission to perform the given action
+ * ignoring active sessions.
+ * System principals will always have permissions granted.
+ * This function will perform a pref lookup to permissions.default.<type>
+ * if the specific permission type is part of the whitelist for that functionality.
+ *
+ * @param principal the principal
+ * @param type a case-sensitive ASCII string, identifying the consumer
+ * @param return see add(), param permission. returns UNKNOWN_ACTION when
+ * there is no stored permission for this uri and / or type.
+ */
+ uint32_t testExactPermanentPermission(in nsIPrincipal principal,
+ in ACString type);
+
+ /**
+ * Get the permission object associated with the given principal and action.
+ * @param principal The principal
+ * @param type A case-sensitive ASCII string identifying the consumer
+ * @param exactHost If true, only the specific host will be matched.
+ * If false, base domains of the principal will also
+ * be searched.
+ * @returns The matching permission object, or null if no matching object
+ * was found. No matching object is equivalent to UNKNOWN_ACTION.
+ * @note Clients in general should prefer the test* methods unless they
+ * need to know the specific stored details.
+ * @note This method will always return null for the system principal.
+ */
+ nsIPermission getPermissionObject(in nsIPrincipal principal,
+ in ACString type,
+ in boolean exactHost);
+
+ /**
+ * Returns all stored permissions.
+ * @return an array of nsIPermission objects
+ */
+ readonly attribute Array<nsIPermission> all;
+
+ /**
+ * Remove all permissions that will match the origin pattern.
+ */
+ void removePermissionsWithAttributes(in AString patternAsJSON);
+};
+
+%{ C++
+#define NS_PERMISSIONMANAGER_CONTRACTID "@mozilla.org/permissionmanager;1"
+
+#define PERM_CHANGE_NOTIFICATION "perm-changed"
+%}