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105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef ProxyAutoConfig_h__
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#define ProxyAutoConfig_h__
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#include "nsString.h"
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#include "nsCOMPtr.h"
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class nsITimer;
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namespace JS {
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class CallArgs;
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} // namespace JS
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namespace mozilla { namespace net {
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class JSContextWrapper;
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union NetAddr;
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// The ProxyAutoConfig class is meant to be created and run on a
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// non main thread. It synchronously resolves PAC files by blocking that
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// thread and running nested event loops. GetProxyForURI is not re-entrant.
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class ProxyAutoConfig {
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public:
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ProxyAutoConfig();
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~ProxyAutoConfig();
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nsresult Init(const nsCString &aPACURI,
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const nsCString &aPACScript,
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bool aIncludePath);
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void SetThreadLocalIndex(uint32_t index);
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void Shutdown();
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void GC();
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bool MyIPAddress(const JS::CallArgs &aArgs);
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bool ResolveAddress(const nsCString &aHostName,
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NetAddr *aNetAddr, unsigned int aTimeout);
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/**
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* Get the proxy string for the specified URI. The proxy string is
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* given by the following:
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*
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* result = proxy-spec *( proxy-sep proxy-spec )
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* proxy-spec = direct-type | proxy-type LWS proxy-host [":" proxy-port]
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* direct-type = "DIRECT"
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* proxy-type = "PROXY" | "HTTP" | "HTTPS" | "SOCKS" | "SOCKS4" | "SOCKS5"
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* proxy-sep = ";" LWS
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* proxy-host = hostname | ipv4-address-literal
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* proxy-port = <any 16-bit unsigned integer>
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* LWS = *( SP | HT )
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* SP = <US-ASCII SP, space (32)>
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* HT = <US-ASCII HT, horizontal-tab (9)>
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*
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* NOTE: direct-type and proxy-type are case insensitive
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* NOTE: SOCKS implies SOCKS4
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*
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* Examples:
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* "PROXY proxy1.foo.com:8080; PROXY proxy2.foo.com:8080; DIRECT"
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* "SOCKS socksproxy"
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* "DIRECT"
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*
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* XXX add support for IPv6 address literals.
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* XXX quote whatever the official standard is for PAC.
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*
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* @param aTestURI
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* The URI as an ASCII string to test.
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* @param aTestHost
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* The ASCII hostname to test.
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*
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* @param result
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* result string as defined above.
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*/
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nsresult GetProxyForURI(const nsCString &aTestURI,
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const nsCString &aTestHost,
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nsACString &result);
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private:
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// allow 665ms for myipaddress dns queries. That's 95th percentile.
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const static unsigned int kTimeout = 665;
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// used to compile the PAC file and setup the execution context
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nsresult SetupJS();
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bool SrcAddress(const NetAddr *remoteAddress, nsCString &localAddress);
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bool MyIPAddressTryHost(const nsCString &hostName, unsigned int timeout,
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const JS::CallArgs &aArgs, bool* aResult);
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JSContextWrapper *mJSContext;
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bool mJSNeedsSetup;
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bool mShutdown;
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nsCString mPACScript;
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nsCString mPACURI;
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bool mIncludePath;
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nsCString mRunningHost;
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nsCOMPtr<nsITimer> mTimer;
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};
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} // namespace net
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} // namespace mozilla
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#endif // ProxyAutoConfig_h__
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