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/* -*- 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/Components.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; }
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::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++;
}
free(proxyArray);
return NS_OK;
}
NS_IMPL_COMPONENT_FACTORY(nsUnixSystemProxySettings) {
return do_AddRef(new nsUnixSystemProxySettings()).downcast<nsISupports>();
}
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