michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsISystemProxySettings.h"
michael@0: #include "mozilla/ModuleUtils.h"
michael@0: #include "nsIServiceManager.h"
michael@0: #include "nsIURI.h"
michael@0: #include "nsString.h"
michael@0: #include "nsNetUtil.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nspr.h"
michael@0: 
michael@0: extern "C" {
michael@0: #include <proxy.h>
michael@0: }
michael@0: 
michael@0: class nsUnixSystemProxySettings : public nsISystemProxySettings {
michael@0: public:
michael@0:   NS_DECL_THREADSAFE_ISUPPORTS
michael@0:   NS_DECL_NSISYSTEMPROXYSETTINGS
michael@0: 
michael@0:   nsUnixSystemProxySettings() { mProxyFactory = nullptr; }
michael@0:   nsresult Init();
michael@0: 
michael@0: private:
michael@0:   ~nsUnixSystemProxySettings() {
michael@0:     if (mProxyFactory) 
michael@0:       px_proxy_factory_free(mProxyFactory); 
michael@0:   }
michael@0: 
michael@0:   pxProxyFactory *mProxyFactory;
michael@0: };
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsUnixSystemProxySettings, nsISystemProxySettings)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsUnixSystemProxySettings::GetMainThreadOnly(bool *aMainThreadOnly)
michael@0: {
michael@0:   *aMainThreadOnly = false;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsUnixSystemProxySettings::Init()
michael@0: {
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsUnixSystemProxySettings::GetPACURI(nsACString& aResult)
michael@0: {
michael@0:   // Make sure we return an empty result.
michael@0:   aResult.Truncate();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsUnixSystemProxySettings::GetProxyForURI(const nsACString & aSpec,
michael@0:                                           const nsACString & aScheme,
michael@0:                                           const nsACString & aHost,
michael@0:                                           const int32_t      aPort,
michael@0:                                           nsACString & aResult)
michael@0: {
michael@0:   nsresult rv;
michael@0: 
michael@0:   if (!mProxyFactory) {
michael@0:     mProxyFactory = px_proxy_factory_new();
michael@0:   }
michael@0:   NS_ENSURE_TRUE(mProxyFactory, NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:   char **proxyArray = nullptr;
michael@0:   proxyArray = px_proxy_factory_get_proxies(mProxyFactory,
michael@0:                                             PromiseFlatCString(aSpec).get());
michael@0:   NS_ENSURE_TRUE(proxyArray, NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:   // Translate libproxy's output to PAC string as expected
michael@0:   // libproxy returns an array of proxies in the format:
michael@0:   // <procotol>://[username:password@]proxy:port
michael@0:   // or
michael@0:   // direct://
michael@0:   //
michael@0:   // PAC format: "PROXY proxy1.foo.com:8080; PROXY proxy2.foo.com:8080; DIRECT"
michael@0:   // but nsISystemProxySettings allows "PROXY http://proxy.foo.com:8080" as well.
michael@0: 
michael@0:   int c = 0;
michael@0:   while (proxyArray[c] != nullptr) {
michael@0:     if (!aResult.IsEmpty()) {
michael@0:       aResult.AppendLiteral("; ");
michael@0:     }
michael@0: 
michael@0:     // figure out the scheme, and we can't use nsIIOService::NewURI because
michael@0:     // this is not the main thread.
michael@0:     char *colon = strchr (proxyArray[c], ':');
michael@0:     uint32_t schemelen = colon ? colon - proxyArray[c] : 0;
michael@0:     if (schemelen < 1) {
michael@0:       c++;
michael@0:       continue;
michael@0:     }
michael@0: 
michael@0:     if (schemelen == 6 && !strncasecmp(proxyArray[c], "direct", 6)) {
michael@0:       aResult.AppendLiteral("DIRECT");
michael@0:     }
michael@0:     else {
michael@0:       aResult.AppendLiteral("PROXY ");
michael@0:       aResult.Append(proxyArray[c]);
michael@0:     }
michael@0: 
michael@0:     c++;
michael@0:   }
michael@0: 
michael@0:   PR_Free(proxyArray);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: #define NS_UNIXSYSTEMPROXYSERVICE_CID  /* 0fa3158c-d5a7-43de-9181-a285e74cf1d4 */\
michael@0:      { 0x0fa3158c, 0xd5a7, 0x43de, \
michael@0:        {0x91, 0x81, 0xa2, 0x85, 0xe7, 0x4c, 0xf1, 0xd4 } }
michael@0: 
michael@0: NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsUnixSystemProxySettings, Init)
michael@0: NS_DEFINE_NAMED_CID(NS_UNIXSYSTEMPROXYSERVICE_CID);
michael@0: 
michael@0: static const mozilla::Module::CIDEntry kUnixProxyCIDs[] = {
michael@0:   { &kNS_UNIXSYSTEMPROXYSERVICE_CID, false, nullptr, nsUnixSystemProxySettingsConstructor },
michael@0:   { nullptr }
michael@0: };
michael@0: 
michael@0: static const mozilla::Module::ContractIDEntry kUnixProxyContracts[] = {
michael@0:   { NS_SYSTEMPROXYSETTINGS_CONTRACTID, &kNS_UNIXSYSTEMPROXYSERVICE_CID },
michael@0:   { nullptr }
michael@0: };
michael@0: 
michael@0: static const mozilla::Module kUnixProxyModule = {
michael@0:   mozilla::Module::kVersion,
michael@0:   kUnixProxyCIDs,
michael@0:   kUnixProxyContracts
michael@0: };
michael@0:         
michael@0: NSMODULE_DEFN(nsUnixProxyModule) = &kUnixProxyModule;
michael@0: