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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"
+#include "nsIContentPolicy.idl"
+
+interface nsIProtocolHandler;
+interface nsIChannel;
+interface nsIURI;
+interface nsIFile;
+interface nsIPrincipal;
+interface nsILoadInfo;
+interface nsIWebTransport;
+
+webidl Node;
+
+%{C++
+#include "mozilla/Maybe.h"
+
+namespace mozilla {
+namespace dom {
+class ClientInfo;
+class ServiceWorkerDescriptor;
+} // namespace dom
+} // namespace mozilla
+%}
+
+[ref] native const_MaybeClientInfoRef(const mozilla::Maybe<mozilla::dom::ClientInfo>);
+[ref] native const_MaybeServiceWorkerDescriptorRef(const mozilla::Maybe<mozilla::dom::ServiceWorkerDescriptor>);
+
+/**
+ * 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, builtinclass, 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 protocol flags for the corresponding protocol
+ */
+ unsigned long getProtocolFlags(in string aScheme);
+
+ /**
+ * Returns the dynamic protocol flags for a given URI.
+ *
+ * @param aURI the URI to get all dynamic flags for
+ * @return protocol flags for that URI
+ */
+ unsigned long getDynamicProtocolFlags(in nsIURI aURI);
+
+ /**
+ * Returns the default port for a given scheme.
+ *
+ * @param aScheme the URI scheme
+ * @return default port for the corresponding protocol
+ */
+ long getDefaultPort(in string aScheme);
+
+ /**
+ * This method constructs a new URI based on the scheme of the URI spec.
+ * QueryInterface can be used on the resulting URI object to obtain a more
+ * specific type of URI.
+ */
+ 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);
+
+ /**
+ * Converts an internal URI (e.g. one that has a username and password in
+ * it) into one which we can expose to the user, for example on the URL bar.
+ *
+ * @param aURI The URI to be converted.
+ * @return nsIURI The converted, exposable URI.
+ */
+ nsIURI createExposableURI(in nsIURI aURI);
+
+ /**
+ * 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 newChannelFromURI(in nsIURI aURI,
+ in Node aLoadingNode,
+ in nsIPrincipal aLoadingPrincipal,
+ in nsIPrincipal aTriggeringPrincipal,
+ in unsigned long aSecurityFlags,
+ in nsContentPolicyType aContentPolicyType);
+
+ [noscript, nostdcall, notxpcom]
+ nsresult NewChannelFromURIWithClientAndController(in nsIURI aURI,
+ in Node aLoadingNode,
+ in nsIPrincipal aLoadingPrincipal,
+ in nsIPrincipal aTriggeringPrincipal,
+ in const_MaybeClientInfoRef aLoadingClientInfo,
+ in const_MaybeServiceWorkerDescriptorRef aController,
+ in unsigned long aSecurityFlags,
+ in nsContentPolicyType aContentPolicyType,
+ in unsigned long aSandboxFlags,
+ in boolean aSkipCheckForBrokenURLOrZeroSized,
+ out nsIChannel aResult);
+
+ /**
+ * Equivalent to newChannelFromURI(aURI, aLoadingNode, ...)
+ */
+ nsIChannel newChannelFromURIWithLoadInfo(in nsIURI aURI,
+ in nsILoadInfo aLoadInfo);
+
+ /**
+ * Equivalent to newChannelFromURI(newURI(...))
+ */
+ nsIChannel newChannel(in AUTF8String aSpec,
+ in string aOriginCharset,
+ in nsIURI aBaseURI,
+ in Node aLoadingNode,
+ in nsIPrincipal aLoadingPrincipal,
+ in nsIPrincipal aTriggeringPrincipal,
+ in unsigned long aSecurityFlags,
+ in nsContentPolicyType aContentPolicyType);
+
+ /**
+ * Creates a WebTransport.
+ */
+ nsIWebTransport newWebTransport();
+
+ /**
+ * 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, lowercase
+ *
+ * @throws NS_ERROR_MALFORMED_URI if URL string is not of the right form.
+ */
+ ACString extractScheme(in AUTF8String urlString);
+
+ /**
+ * Checks if a URI host is a local IPv4 or IPv6 address literal.
+ *
+ * @param nsIURI the URI that contains the hostname to check
+ * @return true if the URI hostname is a local IP address
+ */
+ boolean hostnameIsLocalIPAddress(in nsIURI aURI);
+
+ /**
+ * Checks if a URI host is a shared IPv4 address literal.
+ *
+ * @param nsIURI the URI that contains the hostname to check
+ * @return true if the URI hostname is a shared IP address
+ */
+ boolean hostnameIsSharedIPAddress(in nsIURI aURI);
+
+ /**
+ * Checks if a hostname is valid.
+ *
+ * @param AUTF8String hostname is the hostname to validate
+ * @return true if the hostname is valid, else false
+ */
+ boolean isValidHostname(in AUTF8String hostname);
+
+ /**
+ * While this is set, IOService will monitor an nsINetworkLinkService
+ * (if available) and set its offline status to "true" whenever
+ * isLinkUp is false.
+ *
+ * Applications that want to control changes to the IOService's offline
+ * status should set this to false, watch for network:link-status-changed
+ * broadcasts, and change nsIIOService::offline as they see fit. Note
+ * that this means during application startup, IOService may be offline
+ * if there is no link, until application code runs and can turn off
+ * this management.
+ */
+ attribute boolean manageOfflineStatus;
+
+ /**
+ * Creates a channel for a given URI.
+ *
+ * @param aURI
+ * nsIURI from which to make a channel
+ * @param aProxyURI
+ * nsIURI to use for proxy resolution. Can be null in which
+ * case aURI is used
+ * @param aProxyFlags flags from nsIProtocolProxyService to use
+ * when resolving proxies for this new 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.
+ */
+ nsIChannel newChannelFromURIWithProxyFlags(in nsIURI aURI,
+ in nsIURI aProxyURI,
+ in unsigned long aProxyFlags,
+ in Node aLoadingNode,
+ in nsIPrincipal aLoadingPrincipal,
+ in nsIPrincipal aTriggeringPrincipal,
+ in unsigned long aSecurityFlags,
+ in nsContentPolicyType aContentPolicyType);
+
+ /**
+ * Return true if socket process is launched.
+ */
+ readonly attribute boolean socketProcessLaunched;
+
+ /**
+ * The pid for socket process.
+ */
+ readonly attribute unsigned long long socketProcessId;
+
+ /**
+ * Register a protocol handler at runtime, given protocol flags and a
+ * default port.
+ *
+ * Statically registered protocol handlers cannot be overridden, and an
+ * error will be returned if that is attempted.
+ *
+ * Runtime registered protocol handlers are never QueryInterface-ed into
+ * `nsIProtocolHandlerWithDynamicFlags`, so that interface will be ignored.
+ *
+ * @param aScheme the scheme handled by the protocol handler.
+ * @param aHandler the protocol handler instance.
+ * @param aProtocolFlags protocol flags for this protocol, see
+ * nsIProtocolHandler for values.
+ * @param aDefaultPort default port for this scheme, or -1.
+ */
+ void registerProtocolHandler(in ACString aScheme,
+ in nsIProtocolHandler aHandler,
+ in unsigned long aProtocolFlags,
+ in long aDefaultPort);
+
+ /**
+ * Unregister a protocol handler which was previously registered using
+ * registerProtocolHandler.
+ *
+ * @param aScheme the scheme to unregister a handler for.
+ */
+ void unregisterProtocolHandler(in ACString aScheme);
+};
+
+%{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"
+
+%}
+
+[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();
+};