From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- netwerk/base/ProxyAutoConfig.h | 155 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 netwerk/base/ProxyAutoConfig.h (limited to 'netwerk/base/ProxyAutoConfig.h') diff --git a/netwerk/base/ProxyAutoConfig.h b/netwerk/base/ProxyAutoConfig.h new file mode 100644 index 0000000000..e01450eadd --- /dev/null +++ b/netwerk/base/ProxyAutoConfig.h @@ -0,0 +1,155 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* 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/. */ + +#ifndef ProxyAutoConfig_h__ +#define ProxyAutoConfig_h__ + +#include +#include "nsString.h" +#include "nsCOMPtr.h" +#include "nsTArray.h" + +class nsIEventTarget; +class nsITimer; +class nsIThread; +namespace JS { +class CallArgs; +} // namespace JS + +namespace mozilla { +namespace net { + +class JSContextWrapper; +class ProxyAutoConfigParent; +union NetAddr; + +class ProxyAutoConfigBase { + public: + virtual ~ProxyAutoConfigBase() = default; + virtual nsresult Init(nsIThread* aPACThread) { return NS_OK; } + virtual nsresult ConfigurePAC(const nsACString& aPACURI, + const nsACString& aPACScriptData, + bool aIncludePath, uint32_t aExtraHeapSize, + nsISerialEventTarget* aEventTarget) = 0; + virtual void SetThreadLocalIndex(uint32_t index) {} + virtual void Shutdown() = 0; + virtual void GC() = 0; + virtual void GetProxyForURIWithCallback( + const nsACString& aTestURI, const nsACString& aTestHost, + std::function&& + aCallback) = 0; +}; + +// The ProxyAutoConfig class is meant to be created and run on a +// non main thread. It synchronously resolves PAC files by blocking that +// thread and running nested event loops. GetProxyForURI is not re-entrant. + +class ProxyAutoConfig : public ProxyAutoConfigBase { + public: + ProxyAutoConfig(); + virtual ~ProxyAutoConfig(); + + nsresult ConfigurePAC(const nsACString& aPACURI, + const nsACString& aPACScriptData, bool aIncludePath, + uint32_t aExtraHeapSize, + nsISerialEventTarget* aEventTarget) override; + void SetThreadLocalIndex(uint32_t index) override; + void Shutdown() override; + void GC() override; + bool MyIPAddress(const JS::CallArgs& aArgs); + bool ResolveAddress(const nsACString& aHostName, NetAddr* aNetAddr, + unsigned int aTimeout); + + /** + * Get the proxy string for the specified URI. The proxy string is + * given by the following: + * + * result = proxy-spec *( proxy-sep proxy-spec ) + * proxy-spec = direct-type | proxy-type LWS proxy-host [":" proxy-port] + * direct-type = "DIRECT" + * proxy-type = "PROXY" | "HTTP" | "HTTPS" | "SOCKS" | "SOCKS4" | "SOCKS5" + * proxy-sep = ";" LWS + * proxy-host = hostname | ipv4-address-literal + * proxy-port = + * LWS = *( SP | HT ) + * SP = + * HT = + * + * NOTE: direct-type and proxy-type are case insensitive + * NOTE: SOCKS implies SOCKS4 + * + * Examples: + * "PROXY proxy1.foo.com:8080; PROXY proxy2.foo.com:8080; DIRECT" + * "SOCKS socksproxy" + * "DIRECT" + * + * XXX add support for IPv6 address literals. + * XXX quote whatever the official standard is for PAC. + * + * @param aTestURI + * The URI as an ASCII string to test. + * @param aTestHost + * The ASCII hostname to test. + * + * @param result + * result string as defined above. + */ + nsresult GetProxyForURI(const nsACString& aTestURI, + const nsACString& aTestHost, nsACString& result); + + void GetProxyForURIWithCallback( + const nsACString& aTestURI, const nsACString& aTestHost, + std::function&& + aCallback) override; + + private: + // allow 665ms for myipaddress dns queries. That's 95th percentile. + const static unsigned int kTimeout = 665; + + // used to compile the PAC file and setup the execution context + nsresult SetupJS(); + + bool SrcAddress(const NetAddr* remoteAddress, nsCString& localAddress); + bool MyIPAddressTryHost(const nsACString& hostName, unsigned int timeout, + const JS::CallArgs& aArgs, bool* aResult); + + JSContextWrapper* mJSContext{nullptr}; + bool mJSNeedsSetup{false}; + bool mShutdown{true}; + nsCString mConcatenatedPACData; + nsCString mPACURI; + bool mIncludePath{false}; + uint32_t mExtraHeapSize{0}; + nsCString mRunningHost; + nsCOMPtr mTimer; + nsCOMPtr mMainThreadEventTarget; +}; + +class RemoteProxyAutoConfig : public ProxyAutoConfigBase { + public: + RemoteProxyAutoConfig(); + virtual ~RemoteProxyAutoConfig(); + + nsresult Init(nsIThread* aPACThread) override; + nsresult ConfigurePAC(const nsACString& aPACURI, + const nsACString& aPACScriptData, bool aIncludePath, + uint32_t aExtraHeapSize, + nsISerialEventTarget* aEventTarget) override; + void Shutdown() override; + void GC() override; + void GetProxyForURIWithCallback( + const nsACString& aTestURI, const nsACString& aTestHost, + std::function&& + aCallback) override; + + private: + RefPtr mProxyAutoConfigParent; +}; + +} // namespace net +} // namespace mozilla + +#endif // ProxyAutoConfig_h__ -- cgit v1.2.3