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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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netwerk/base/nsIIOService.idl Normal file
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/* -*- 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();
};