/* -*- Mode: C++; tab-width: 2; 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 nsIProtocolHandler; interface nsIChannel; interface nsIURI; interface nsIFile; interface nsIDOMNode; interface nsIPrincipal; interface nsILoadInfo; /** * nsIIOService provides a set of network utility functions. This interface * duplicates many of the nsIProtocolHandler methods in a protocol handler * independent way (e.g., NewURI inspects the scheme in order to delegate * creation of the new URI to the appropriate protocol handler). nsIIOService * also provides a set of URL parsing utility functions. These are provided * as a convenience to the programmer and in some cases to improve performance * by eliminating intermediate data structures and interfaces. */ [scriptable, uuid(4286de5a-b2ea-446f-8f70-e2a461f42694)] interface nsIIOService : nsISupports { /** * Returns a protocol handler for a given URI scheme. * * @param aScheme the URI scheme * @return reference to corresponding nsIProtocolHandler */ nsIProtocolHandler getProtocolHandler(in string aScheme); /** * Returns the protocol flags for a given scheme. * * @param aScheme the URI scheme * @return value of corresponding nsIProtocolHandler::protocolFlags */ unsigned long getProtocolFlags(in string aScheme); /** * This method constructs a new URI by determining the scheme of the * URI spec, and then delegating the construction of the URI to the * protocol handler for that scheme. QueryInterface can be used on * the resulting URI object to obtain a more specific type of URI. * * @see nsIProtocolHandler::newURI */ nsIURI newURI(in AUTF8String aSpec, [optional] in string aOriginCharset, [optional] in nsIURI aBaseURI); /** * This method constructs a new URI from a nsIFile. * * @param aFile specifies the file path * @return reference to a new nsIURI object * * Note: in the future, for perf reasons we should allow * callers to specify whether this is a file or directory by * splitting this into newDirURI() and newActualFileURI(). */ nsIURI newFileURI(in nsIFile aFile); /** * Creates a channel for a given URI. * * @param aURI * nsIURI from which to make a channel * @param aLoadingNode * @param aLoadingPrincipal * @param aTriggeringPrincipal * @param aSecurityFlags * @param aContentPolicyType * These will be used as values for the nsILoadInfo object on the * created channel. For details, see nsILoadInfo in nsILoadInfo.idl * @return reference to the new nsIChannel object * * Please note, if you provide both a loadingNode and a loadingPrincipal, * then loadingPrincipal must be equal to loadingNode->NodePrincipal(). * But less error prone is to just supply a loadingNode. * * Keep in mind that URIs coming from a webpage should *never* use the * systemPrincipal as the loadingPrincipal. */ nsIChannel newChannelFromURI2(in nsIURI aURI, in nsIDOMNode aLoadingNode, in nsIPrincipal aLoadingPrincipal, in nsIPrincipal aTriggeringPrincipal, in unsigned long aSecurityFlags, in unsigned long aContentPolicyType); /** * Equivalent to newChannelFromURI2(aURI, aLoadingNode, ...) */ nsIChannel newChannelFromURIWithLoadInfo(in nsIURI aURI, in nsILoadInfo aLoadInfo); /** * Equivalent to newChannelFromURI2(newURI(...)) */ nsIChannel newChannel2(in AUTF8String aSpec, in string aOriginCharset, in nsIURI aBaseURI, in nsIDOMNode aLoadingNode, in nsIPrincipal aLoadingPrincipal, in nsIPrincipal aTriggeringPrincipal, in unsigned long aSecurityFlags, in unsigned long aContentPolicyType); /** * ***** DEPRECATED ***** * Please use NewChannelFromURI2() * * Creates a channel for a given URI. * * @param aURI nsIURI from which to make a channel * @return reference to the new nsIChannel object */ nsIChannel newChannelFromURI(in nsIURI aURI); /** * ***** DEPRECATED ***** * Please use newChannel2(). * * Equivalent to newChannelFromURI(newURI(...)) */ nsIChannel newChannel(in AUTF8String aSpec, in string aOriginCharset, in nsIURI aBaseURI); /** * Returns true if networking is in "offline" mode. When in offline mode, * attempts to access the network will fail (although this does not * necessarily correlate with whether there is actually a network * available -- that's hard to detect without causing the dialer to * come up). * * Changing this fires observer notifications ... see below. */ attribute boolean offline; /** * Returns false if there are no interfaces for a network request */ readonly attribute boolean connectivity; /** * Checks if a port number is banned. This involves consulting a list of * unsafe ports, corresponding to network services that may be easily * exploitable. If the given port is considered unsafe, then the protocol * handler (corresponding to aScheme) will be asked whether it wishes to * override the IO service's decision to block the port. This gives the * protocol handler ultimate control over its own security policy while * ensuring reasonable, default protection. * * @see nsIProtocolHandler::allowPort */ boolean allowPort(in long aPort, in string aScheme); /** * Utility to extract the scheme from a URL string, consistently and * according to spec (see RFC 2396). * * NOTE: Most URL parsing is done via nsIURI, and in fact the scheme * can also be extracted from a URL string via nsIURI. This method * is provided purely as an optimization. * * @param aSpec the URL string to parse * @return URL scheme * * @throws NS_ERROR_MALFORMED_URI if URL string is not of the right form. */ ACString extractScheme(in AUTF8String urlString); }; %{C++ /** * We send notifications through nsIObserverService with topic * NS_IOSERVICE_GOING_OFFLINE_TOPIC and data NS_IOSERVICE_OFFLINE * when 'offline' has changed from false to true, and we are about * to shut down network services such as DNS. When those * services have been shut down, we send a notification with * topic NS_IOSERVICE_OFFLINE_STATUS_TOPIC and data * NS_IOSERVICE_OFFLINE. * * When 'offline' changes from true to false, then after * network services have been restarted, we send a notification * with topic NS_IOSERVICE_OFFLINE_STATUS_TOPIC and data * NS_IOSERVICE_ONLINE. */ #define NS_IOSERVICE_GOING_OFFLINE_TOPIC "network:offline-about-to-go-offline" #define NS_IOSERVICE_OFFLINE_STATUS_TOPIC "network:offline-status-changed" #define NS_IOSERVICE_OFFLINE "offline" #define NS_IOSERVICE_ONLINE "online" %} [builtinclass, uuid(6633c0bf-d97a-428f-8ece-cb6a655fb95a)] interface nsIIOServiceInternal : nsISupports { /** * This is an internal method that should only be called from ContentChild * in order to pass the connectivity state from the chrome process to the * content process. It throws if called outside the content process. */ void SetConnectivity(in boolean connectivity); /** * An internal method to asynchronously run our notifications that happen * when we wake from sleep */ void NotifyWakeup(); };