summaryrefslogtreecommitdiffstats
path: root/netwerk/base/ProxyAutoConfig.h
diff options
context:
space:
mode:
Diffstat (limited to 'netwerk/base/ProxyAutoConfig.h')
-rw-r--r--netwerk/base/ProxyAutoConfig.h155
1 files changed, 155 insertions, 0 deletions
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 <functional>
+#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<void(nsresult aStatus, const nsACString& aResult)>&&
+ 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 = <any 16-bit unsigned integer>
+ * LWS = *( SP | HT )
+ * SP = <US-ASCII SP, space (32)>
+ * HT = <US-ASCII HT, horizontal-tab (9)>
+ *
+ * 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<void(nsresult aStatus, const nsACString& aResult)>&&
+ 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<nsITimer> mTimer;
+ nsCOMPtr<nsISerialEventTarget> 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<void(nsresult aStatus, const nsACString& aResult)>&&
+ aCallback) override;
+
+ private:
+ RefPtr<ProxyAutoConfigParent> mProxyAutoConfigParent;
+};
+
+} // namespace net
+} // namespace mozilla
+
+#endif // ProxyAutoConfig_h__