/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* vim:set ts=4 sw=4 sts=4 et: */ /* 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 nsICancelable; interface nsIProtocolProxyCallback; interface nsIProtocolProxyFilter; interface nsIProtocolProxyChannelFilter; interface nsIProxyInfo; interface nsIChannel; interface nsIURI; /** * nsIProtocolProxyService provides methods to access information about * various network proxies. */ [scriptable, uuid(ef57c8b6-e09d-4cd4-9222-2a5d2402e15d)] interface nsIProtocolProxyService : nsISupports { /** Flag 1 << 0 is unused **/ /** * When the proxy configuration is manual this flag may be passed to the * resolve and asyncResolve methods to request to prefer the SOCKS proxy * to HTTP ones. */ const unsigned long RESOLVE_PREFER_SOCKS_PROXY = 1 << 1; /** * When the proxy configuration is manual this flag may be passed to the * resolve and asyncResolve methods to request to not analyze the uri's * scheme specific proxy. When this flag is set the main HTTP proxy is the * preferred one. * * NOTE: if RESOLVE_PREFER_SOCKS_PROXY is set then the SOCKS proxy is * the preferred one. * * NOTE: if RESOLVE_PREFER_HTTPS_PROXY is set then the HTTPS proxy * is the preferred one. */ const unsigned long RESOLVE_IGNORE_URI_SCHEME = 1 << 2; /** * When the proxy configuration is manual this flag may be passed to the * resolve and asyncResolve methods to request to prefer the HTTPS proxy * to the others HTTP ones. * * NOTE: RESOLVE_PREFER_SOCKS_PROXY takes precedence over this flag. * * NOTE: This flag implies RESOLVE_IGNORE_URI_SCHEME. */ const unsigned long RESOLVE_PREFER_HTTPS_PROXY = (1 << 3) | RESOLVE_IGNORE_URI_SCHEME; /** * When the proxy configuration is manual this flag may be passed to the * resolve and asyncResolve methods to that all methods will be tunneled via * CONNECT through the http proxy. */ const unsigned long RESOLVE_ALWAYS_TUNNEL = (1 << 4); /** * This method returns via callback a nsIProxyInfo instance that identifies * a proxy to be used for the given channel. Otherwise, this method returns * null indicating that a direct connection should be used. * * @param aChannelOrURI * The channel for which a proxy is to be found, or, if no channel is * available, a URI indicating the same. This method will return * NS_ERROR_NOINTERFACE if this argument isn't either an nsIURI or an * nsIChannel. * @param aFlags * A bit-wise combination of the RESOLVE_ flags defined above. Pass * 0 to specify the default behavior. Any additional bits that do * not correspond to a RESOLVE_ flag are reserved for future use. * @param aCallback * The object to be notified when the result is available. * * @return An object that can be used to cancel the asychronous operation. * If canceled, the cancelation status (aReason) will be forwarded * to the callback's onProxyAvailable method via the aStatus param. * * NOTE: If this proxy is unavailable, getFailoverForProxy may be called * to determine the correct secondary proxy to be used. * * NOTE: If the protocol handler for the given URI supports * nsIProxiedProtocolHandler, then the nsIProxyInfo instance returned from * resolve may be passed to the newProxiedChannel method to create a * nsIChannel to the given URI that uses the specified proxy. * * NOTE: However, if the nsIProxyInfo type is "http", then it means that * the given URI should be loaded using the HTTP protocol handler, which * also supports nsIProxiedProtocolHandler. * * @see nsIProxiedProtocolHandler::newProxiedChannel */ nsICancelable asyncResolve(in nsISupports aChannelOrURI, in unsigned long aFlags, in nsIProtocolProxyCallback aCallback); /** * This method may be called to construct a nsIProxyInfo instance from * the given parameters. This method may be useful in conjunction with * nsISocketTransportService::createTransport for creating, for example, * a SOCKS connection. * * @param aType * The proxy type. This is a string value that identifies the proxy * type. Standard values include: * "http" - specifies a HTTP proxy * "https" - specifies HTTP proxying over TLS connection to proxy * "socks" - specifies a SOCKS version 5 proxy * "socks4" - specifies a SOCKS version 4 proxy * "direct" - specifies a direct connection (useful for failover) * The type name is case-insensitive. Other string values may be * possible, and new types may be defined by a future version of * this interface. * @param aHost * The proxy hostname or IP address. * @param aPort * The proxy port. * @param aFlags * Flags associated with this connection. See nsIProxyInfo.idl * for currently defined flags. * @param aFailoverTimeout * Specifies the length of time (in seconds) to ignore this proxy if * this proxy fails. Pass UINT32_MAX to specify the default * timeout value, causing nsIProxyInfo::failoverTimeout to be * assigned the default value. * @param aFailoverProxy * Specifies the next proxy to try if this proxy fails. This * parameter may be null. */ nsIProxyInfo newProxyInfo(in ACString aType, in AUTF8String aHost, in long aPort, in unsigned long aFlags, in unsigned long aFailoverTimeout, in nsIProxyInfo aFailoverProxy); /** * This method may be called to construct a nsIProxyInfo instance for * with the specified username and password. * Currently implemented for SOCKS proxies only. * @param aType * The proxy type. This is a string value that identifies the proxy * type. Standard values include: * "socks" - specifies a SOCKS version 5 proxy * "socks4" - specifies a SOCKS version 4 proxy * The type name is case-insensitive. Other string values may be * possible, and new types may be defined by a future version of * this interface. * @param aHost * The proxy hostname or IP address. * @param aPort * The proxy port. * @param aUsername * The proxy username * @param aPassword * The proxy password * @param aFlags * Flags associated with this connection. See nsIProxyInfo.idl * for currently defined flags. * @param aFailoverTimeout * Specifies the length of time (in seconds) to ignore this proxy if * this proxy fails. Pass UINT32_MAX to specify the default * timeout value, causing nsIProxyInfo::failoverTimeout to be * assigned the default value. * @param aFailoverProxy * Specifies the next proxy to try if this proxy fails. This * parameter may be null. */ nsIProxyInfo newProxyInfoWithAuth(in ACString aType, in AUTF8String aHost, in long aPort, in ACString aUsername, in ACString aPassword, in unsigned long aFlags, in unsigned long aFailoverTimeout, in nsIProxyInfo aFailoverProxy); /** * If the proxy identified by aProxyInfo is unavailable for some reason, * this method may be called to access an alternate proxy that may be used * instead. As a side-effect, this method may affect future result values * from resolve/asyncResolve as well as from getFailoverForProxy. * * @param aProxyInfo * The proxy that was unavailable. * @param aURI * The URI that was originally passed to resolve/asyncResolve. * @param aReason * The error code corresponding to the proxy failure. This value * may be used to tune the delay before this proxy is used again. * * @throw NS_ERROR_NOT_AVAILABLE if there is no alternate proxy available. */ nsIProxyInfo getFailoverForProxy(in nsIProxyInfo aProxyInfo, in nsIURI aURI, in nsresult aReason); /** * This method may be used to register a proxy filter instance. Each proxy * filter is registered with an associated position that determines the * order in which the filters are applied (starting from position 0). When * resolve/asyncResolve is called, it generates a list of proxies for the * given URI, and then it applies the proxy filters. The filters have the * opportunity to modify the list of proxies. * * If two filters register for the same position, then the filters will be * visited in the order in which they were registered. * * If the filter is already registered, then its position will be updated. * * After filters have been run, any disabled or disallowed proxies will be * removed from the list. A proxy is disabled if it had previously failed- * over to another proxy (see getFailoverForProxy). A proxy is disallowed, * for example, if it is a HTTP proxy and the nsIProtocolHandler for the * queried URI does not permit proxying via HTTP. * * If a nsIProtocolHandler disallows all proxying, then filters will never * have a chance to intercept proxy requests for such URLs. * * @param aFilter * The nsIProtocolProxyFilter instance to be registered. * @param aPosition * The position of the filter. * * NOTE: It is possible to construct filters that compete with one another * in undesirable ways. This API does not attempt to protect against such * problems. It is recommended that any extensions that choose to call * this method make their position value configurable at runtime (perhaps * via the preferences service). */ void registerFilter(in nsIProtocolProxyFilter aFilter, in unsigned long aPosition); /** * Similar to registerFilter, but accepts an nsIProtocolProxyChannelFilter, * which selects proxies according to channel rather than URI. * * @param aFilter * The nsIProtocolProxyChannelFilter instance to be registered. * @param aPosition * The position of the filter. */ void registerChannelFilter(in nsIProtocolProxyChannelFilter aFilter, in unsigned long aPosition); /** * This method may be used to unregister a proxy filter instance. All * filters will be automatically unregistered at XPCOM shutdown. * * @param aFilter * The nsIProtocolProxyFilter instance to be unregistered. */ void unregisterFilter(in nsIProtocolProxyFilter aFilter); /** * This method may be used to unregister a proxy channel filter instance. All * filters will be automatically unregistered at XPCOM shutdown. * * @param aFilter * The nsIProtocolProxyChannelFilter instance to be unregistered. */ void unregisterChannelFilter(in nsIProtocolProxyChannelFilter aFilter); /** * These values correspond to the possible integer values for the * network.proxy.type preference. */ const unsigned long PROXYCONFIG_DIRECT = 0; const unsigned long PROXYCONFIG_MANUAL = 1; const unsigned long PROXYCONFIG_PAC = 2; const unsigned long PROXYCONFIG_WPAD = 4; const unsigned long PROXYCONFIG_SYSTEM = 5; /** * This attribute specifies the current type of proxy configuration. */ readonly attribute unsigned long proxyConfigType; };