mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
322 lines
9.8 KiB
C++
322 lines
9.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <windows.h>
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#include <ras.h>
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#include <wininet.h>
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#include "mozilla/Util.h"
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#include "nsISystemProxySettings.h"
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#include "nsIServiceManager.h"
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#include "mozilla/ModuleUtils.h"
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#include "nsPrintfCString.h"
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#include "nsNetUtil.h"
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#include "nsISupportsPrimitives.h"
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#include "nsIURI.h"
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class nsWindowsSystemProxySettings : public nsISystemProxySettings
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSISYSTEMPROXYSETTINGS
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nsWindowsSystemProxySettings() {};
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nsresult Init();
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private:
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~nsWindowsSystemProxySettings() {};
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bool MatchOverride(const nsACString& aHost);
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bool PatternMatch(const nsACString& aHost, const nsACString& aOverride);
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};
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NS_IMPL_ISUPPORTS1(nsWindowsSystemProxySettings, nsISystemProxySettings)
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nsresult
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nsWindowsSystemProxySettings::Init()
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{
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return NS_OK;
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}
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static void SetProxyResult(const char* aType, const nsACString& aHost,
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PRInt32 aPort, nsACString& aResult)
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{
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aResult.AssignASCII(aType);
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aResult.Append(' ');
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aResult.Append(aHost);
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aResult.Append(':');
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aResult.Append(nsPrintfCString("%d", aPort));
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}
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static void SetProxyResult(const char* aType, const nsACString& aHostPort,
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nsACString& aResult)
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{
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nsCOMPtr<nsIURI> uri;
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nsCAutoString host;
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PRInt32 port;
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// Try parsing it as a URI.
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if (NS_SUCCEEDED(NS_NewURI(getter_AddRefs(uri), aHostPort)) &&
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NS_SUCCEEDED(uri->GetHost(host)) && !host.IsEmpty() &&
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NS_SUCCEEDED(uri->GetPort(&port))) {
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SetProxyResult(aType, host, port, aResult);
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} else {
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aResult.AssignASCII(aType);
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aResult.Append(' ');
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aResult.Append(aHostPort);
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}
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}
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static void SetProxyResultDirect(nsACString& aResult)
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{
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// For whatever reason, a proxy is not to be used.
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aResult.AssignASCII("DIRECT");
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}
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static nsresult ReadInternetOption(PRUint32 aOption, PRUint32& aFlags,
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nsAString& aValue)
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{
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DWORD connFlags = 0;
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WCHAR connName[RAS_MaxEntryName + 1];
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InternetGetConnectedStateExW(&connFlags, connName,
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mozilla::ArrayLength(connName), 0);
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INTERNET_PER_CONN_OPTIONW options[2];
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options[0].dwOption = INTERNET_PER_CONN_FLAGS;
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options[1].dwOption = aOption;
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INTERNET_PER_CONN_OPTION_LISTW list;
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list.dwSize = sizeof(INTERNET_PER_CONN_OPTION_LISTW);
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list.pszConnection = connFlags & INTERNET_CONNECTION_MODEM ?
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connName : NULL;
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list.dwOptionCount = mozilla::ArrayLength(options);
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list.dwOptionError = 0;
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list.pOptions = options;
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unsigned long size = sizeof(INTERNET_PER_CONN_OPTION_LISTW);
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if (!InternetQueryOptionW(NULL, INTERNET_OPTION_PER_CONNECTION_OPTION,
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&list, &size)) {
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return NS_ERROR_FAILURE;
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}
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aFlags = options[0].Value.dwValue;
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aValue.Assign(options[1].Value.pszValue);
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GlobalFree(options[1].Value.pszValue);
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return NS_OK;
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}
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bool
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nsWindowsSystemProxySettings::MatchOverride(const nsACString& aHost)
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{
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nsresult rv;
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PRUint32 flags = 0;
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nsAutoString buf;
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rv = ReadInternetOption(INTERNET_PER_CONN_PROXY_BYPASS, flags, buf);
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if (NS_FAILED(rv))
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return false;
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NS_ConvertUTF16toUTF8 cbuf(buf);
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nsCAutoString host(aHost);
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PRInt32 start = 0;
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PRInt32 end = cbuf.Length();
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// Windows formats its proxy override list in the form:
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// server;server;server where 'server' is a server name pattern or IP
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// address, or "<local>". "<local>" must be translated to
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// "localhost;127.0.0.1".
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// In a server name pattern, a '*' character matches any substring and
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// all other characters must match themselves; the whole pattern must match
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// the whole hostname.
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while (true) {
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PRInt32 delimiter = cbuf.FindCharInSet(" ;", start);
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if (delimiter == -1)
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delimiter = end;
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if (delimiter != start) {
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const nsCAutoString override(Substring(cbuf, start,
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delimiter - start));
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if (override.EqualsLiteral("<local>")) {
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// This override matches local addresses.
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if (host.EqualsLiteral("localhost") ||
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host.EqualsLiteral("127.0.0.1"))
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return true;
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} else if (PatternMatch(host, override)) {
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return true;
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}
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}
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if (delimiter == end)
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break;
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start = ++delimiter;
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}
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return false;
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}
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bool
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nsWindowsSystemProxySettings::PatternMatch(const nsACString& aHost,
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const nsACString& aOverride)
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{
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nsCAutoString host(aHost);
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nsCAutoString override(aOverride);
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PRInt32 overrideLength = override.Length();
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PRInt32 tokenStart = 0;
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PRInt32 offset = 0;
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bool star = false;
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while (tokenStart < overrideLength) {
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PRInt32 tokenEnd = override.FindChar('*', tokenStart);
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if (tokenEnd == tokenStart) {
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star = true;
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tokenStart++;
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// If the character following the '*' is a '.' character then skip
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// it so that "*.foo.com" allows "foo.com".
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if (override.FindChar('.', tokenStart) == tokenStart)
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tokenStart++;
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} else {
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if (tokenEnd == -1)
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tokenEnd = overrideLength;
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nsCAutoString token(Substring(override, tokenStart,
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tokenEnd - tokenStart));
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offset = host.Find(token, offset);
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if (offset == -1 || (!star && offset))
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return false;
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star = false;
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tokenStart = tokenEnd;
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offset += token.Length();
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}
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}
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return (star || (offset == host.Length()));
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}
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nsresult
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nsWindowsSystemProxySettings::GetPACURI(nsACString& aResult)
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{
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nsresult rv;
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PRUint32 flags = 0;
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nsAutoString buf;
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rv = ReadInternetOption(INTERNET_PER_CONN_AUTOCONFIG_URL, flags, buf);
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if (!(flags & PROXY_TYPE_AUTO_PROXY_URL)) {
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aResult.Truncate();
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return rv;
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}
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if (NS_SUCCEEDED(rv))
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aResult = NS_ConvertUTF16toUTF8(buf);
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return rv;
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}
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nsresult
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nsWindowsSystemProxySettings::GetProxyForURI(nsIURI* aURI, nsACString& aResult)
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{
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nsresult rv;
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PRUint32 flags = 0;
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nsAutoString buf;
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rv = ReadInternetOption(INTERNET_PER_CONN_PROXY_SERVER, flags, buf);
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if (NS_FAILED(rv) || !(flags & PROXY_TYPE_PROXY)) {
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SetProxyResultDirect(aResult);
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return NS_OK;
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}
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nsCAutoString scheme;
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rv = aURI->GetScheme(scheme);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCAutoString host;
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rv = aURI->GetHost(host);
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NS_ENSURE_SUCCESS(rv, rv);
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if (MatchOverride(host)) {
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SetProxyResultDirect(aResult);
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return NS_OK;
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}
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NS_ConvertUTF16toUTF8 cbuf(buf);
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nsCAutoString prefix;
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ToLowerCase(scheme, prefix);
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prefix.Append('=');
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nsCAutoString specificProxy;
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nsCAutoString defaultProxy;
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nsCAutoString socksProxy;
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PRInt32 start = 0;
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PRInt32 end = cbuf.Length();
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while (true) {
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PRInt32 delimiter = cbuf.FindCharInSet(" ;", start);
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if (delimiter == -1)
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delimiter = end;
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if (delimiter != start) {
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const nsCAutoString proxy(Substring(cbuf, start,
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delimiter - start));
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if (proxy.FindChar('=') == -1) {
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// If a proxy name is listed by itself, it is used as the
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// default proxy for any protocols that do not have a specific
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// proxy specified.
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// (http://msdn.microsoft.com/en-us/library/aa383996%28VS.85%29.aspx)
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defaultProxy = proxy;
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} else if (proxy.Find(prefix) == 0) {
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// To list a proxy for a specific protocol, the string must
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// follow the format "<protocol>=<protocol>://<proxy_name>".
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// (http://msdn.microsoft.com/en-us/library/aa383996%28VS.85%29.aspx)
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specificProxy = Substring(proxy, prefix.Length());
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break;
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} else if (proxy.Find("socks=") == 0) {
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// SOCKS proxy.
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socksProxy = Substring(proxy, 5); // "socks=" length.
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}
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}
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if (delimiter == end)
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break;
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start = ++delimiter;
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}
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if (!specificProxy.IsEmpty())
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SetProxyResult("PROXY", specificProxy, aResult); // Protocol-specific proxy.
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else if (!defaultProxy.IsEmpty())
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SetProxyResult("PROXY", defaultProxy, aResult); // Default proxy.
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else if (!socksProxy.IsEmpty())
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SetProxyResult("SOCKS", socksProxy, aResult); // SOCKS proxy.
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else
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SetProxyResultDirect(aResult); // Direct connection.
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return NS_OK;
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}
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#define NS_WINDOWSSYSTEMPROXYSERVICE_CID /* 4e22d3ea-aaa2-436e-ada4-9247de57d367 */\
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{ 0x4e22d3ea, 0xaaa2, 0x436e, \
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{0xad, 0xa4, 0x92, 0x47, 0xde, 0x57, 0xd3, 0x67 } }
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NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsWindowsSystemProxySettings, Init)
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NS_DEFINE_NAMED_CID(NS_WINDOWSSYSTEMPROXYSERVICE_CID);
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static const mozilla::Module::CIDEntry kSysProxyCIDs[] = {
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{ &kNS_WINDOWSSYSTEMPROXYSERVICE_CID, false, NULL, nsWindowsSystemProxySettingsConstructor },
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{ NULL }
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};
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static const mozilla::Module::ContractIDEntry kSysProxyContracts[] = {
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{ NS_SYSTEMPROXYSETTINGS_CONTRACTID, &kNS_WINDOWSSYSTEMPROXYSERVICE_CID },
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{ NULL }
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};
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static const mozilla::Module kSysProxyModule = {
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mozilla::Module::kVersion,
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kSysProxyCIDs,
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kSysProxyContracts
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};
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NSMODULE_DEFN(nsWindowsProxyModule) = &kSysProxyModule;
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