1 files changed, 141 insertions, 0 deletions
diff --git a/toolkit/system/unixproxy/nsLibProxySettings.cpp b/toolkit/system/unixproxy/nsLibProxySettings.cpp
new file mode 100644
index 000000000..e9179c114
--- /dev/null
+++ b/toolkit/system/unixproxy/nsLibProxySettings.cpp
@@ -0,0 +1,141 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "nsISystemProxySettings.h"
+#include "mozilla/ModuleUtils.h"
+#include "nsIServiceManager.h"
+#include "nsIURI.h"
+#include "nsString.h"
+#include "nsCOMPtr.h"
+#include "nsNetCID.h"
+#include "nspr.h"
+
+extern "C" {
+#include <proxy.h>
+}
+
+class nsUnixSystemProxySettings : public nsISystemProxySettings {
+public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSISYSTEMPROXYSETTINGS
+
+  nsUnixSystemProxySettings() { mProxyFactory = nullptr; }
+  nsresult Init();
+
+private:
+  ~nsUnixSystemProxySettings() {
+    if (mProxyFactory) 
+      px_proxy_factory_free(mProxyFactory); 
+  }
+
+  pxProxyFactory *mProxyFactory;
+};
+
+NS_IMPL_ISUPPORTS(nsUnixSystemProxySettings, nsISystemProxySettings)
+
+NS_IMETHODIMP
+nsUnixSystemProxySettings::GetMainThreadOnly(bool *aMainThreadOnly)
+{
+  *aMainThreadOnly = false;
+  return NS_OK;
+}
+
+nsresult
+nsUnixSystemProxySettings::Init()
+{
+  return NS_OK;
+}
+
+nsresult
+nsUnixSystemProxySettings::GetPACURI(nsACString& aResult)
+{
+  // Make sure we return an empty result.
+  aResult.Truncate();
+  return NS_OK;
+}
+
+nsresult
+nsUnixSystemProxySettings::GetProxyForURI(const nsACString & aSpec,
+                                          const nsACString & aScheme,
+                                          const nsACString & aHost,
+                                          const int32_t      aPort,
+                                          nsACString & aResult)
+{
+  nsresult rv;
+
+  if (!mProxyFactory) {
+    mProxyFactory = px_proxy_factory_new();
+  }
+  NS_ENSURE_TRUE(mProxyFactory, NS_ERROR_NOT_AVAILABLE);
+
+  char **proxyArray = nullptr;
+  proxyArray = px_proxy_factory_get_proxies(mProxyFactory,
+                                            PromiseFlatCString(aSpec).get());
+  NS_ENSURE_TRUE(proxyArray, NS_ERROR_NOT_AVAILABLE);
+
+  // Translate libproxy's output to PAC string as expected
+  // libproxy returns an array of proxies in the format:
+  // <procotol>://[username:password@]proxy:port
+  // or
+  // direct://
+  //
+  // PAC format: "PROXY proxy1.foo.com:8080; PROXY proxy2.foo.com:8080; DIRECT"
+  // but nsISystemProxySettings allows "PROXY http://proxy.foo.com:8080" as well.
+
+  int c = 0;
+  while (proxyArray[c] != nullptr) {
+    if (!aResult.IsEmpty()) {
+      aResult.AppendLiteral("; ");
+    }
+
+    // figure out the scheme, and we can't use nsIIOService::NewURI because
+    // this is not the main thread.
+    char *colon = strchr (proxyArray[c], ':');
+    uint32_t schemelen = colon ? colon - proxyArray[c] : 0;
+    if (schemelen < 1) {
+      c++;
+      continue;
+    }
+
+    if (schemelen == 6 && !strncasecmp(proxyArray[c], "direct", 6)) {
+      aResult.AppendLiteral("DIRECT");
+    }
+    else {
+      aResult.AppendLiteral("PROXY ");
+      aResult.Append(proxyArray[c]);
+    }
+
+    c++;
+  }
+
+  PR_Free(proxyArray);
+  return NS_OK;
+}
+
+#define NS_UNIXSYSTEMPROXYSERVICE_CID  /* 0fa3158c-d5a7-43de-9181-a285e74cf1d4 */\
+     { 0x0fa3158c, 0xd5a7, 0x43de, \
+       {0x91, 0x81, 0xa2, 0x85, 0xe7, 0x4c, 0xf1, 0xd4 } }
+
+NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsUnixSystemProxySettings, Init)
+NS_DEFINE_NAMED_CID(NS_UNIXSYSTEMPROXYSERVICE_CID);
+
+static const mozilla::Module::CIDEntry kUnixProxyCIDs[] = {
+  { &kNS_UNIXSYSTEMPROXYSERVICE_CID, false, nullptr, nsUnixSystemProxySettingsConstructor },
+  { nullptr }
+};
+
+static const mozilla::Module::ContractIDEntry kUnixProxyContracts[] = {
+  { NS_SYSTEMPROXYSETTINGS_CONTRACTID, &kNS_UNIXSYSTEMPROXYSERVICE_CID },
+  { nullptr }
+};
+
+static const mozilla::Module kUnixProxyModule = {
+  mozilla::Module::kVersion,
+  kUnixProxyCIDs,
+  kUnixProxyContracts
+};
+        
+NSMODULE_DEFN(nsUnixProxyModule) = &kUnixProxyModule;
+