| /* |
| * Copyright (C) 2018 Sony Interactive Entertainment Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "CurlProxySettings.h" |
| |
| #if USE(CURL) |
| |
| #if PLATFORM(WIN) |
| #include <winsock2.h> |
| #endif |
| |
| #include <curl/curl.h> |
| #include <wtf/text/StringConcatenateNumbers.h> |
| |
| namespace WebCore { |
| |
| static constexpr uint16_t SocksProxyPort = 1080; |
| |
| static Optional<String> createProxyUrl(const URL&); |
| |
| CurlProxySettings::CurlProxySettings(URL&& proxyUrl, String&& ignoreHosts) |
| : m_mode(Mode::Custom) |
| , m_url(WTFMove(proxyUrl)) |
| , m_ignoreHosts(WTFMove(ignoreHosts)) |
| { |
| if (m_url.protocol().isEmpty()) |
| m_url.setProtocol("http"); |
| |
| rebuildUrl(); |
| } |
| |
| void CurlProxySettings::rebuildUrl() |
| { |
| if (auto url = createProxyUrl(m_url)) |
| m_urlSerializedWithPort = WTFMove(*url); |
| } |
| |
| void CurlProxySettings::setUserPass(const String& user, const String& password) |
| { |
| m_url.setUser(user); |
| m_url.setPassword(password); |
| |
| rebuildUrl(); |
| } |
| |
| static long determineAuthMethod(long authMethod) |
| { |
| if (authMethod & CURLAUTH_NEGOTIATE) |
| return CURLAUTH_NEGOTIATE; |
| if (authMethod & CURLAUTH_DIGEST) |
| return CURLAUTH_DIGEST; |
| if (authMethod & CURLAUTH_NTLM) |
| return CURLAUTH_NTLM; |
| if (authMethod & CURLAUTH_BASIC) |
| return CURLAUTH_BASIC; |
| return CURLAUTH_NONE; |
| } |
| |
| void CurlProxySettings::setAuthMethod(long authMethod) |
| { |
| m_authMethod = determineAuthMethod(authMethod); |
| } |
| |
| bool protocolIsInSocksFamily(const URL& url) |
| { |
| return url.protocolIs("socks4") || url.protocolIs("socks4a") || url.protocolIs("socks5") || url.protocolIs("socks5h"); |
| } |
| |
| static Optional<uint16_t> getProxyPort(const URL& url) |
| { |
| auto port = url.port(); |
| if (port) |
| return port; |
| |
| // For Curl port, if port number is not specified for HTTP Proxy protocol, port 80 is used. |
| // This differs for libcurl's default port number for HTTP proxy whose value (1080) is for socks. |
| if (url.protocolIsInHTTPFamily()) |
| return defaultPortForProtocol(url.protocol()); |
| |
| if (protocolIsInSocksFamily(url)) |
| return SocksProxyPort; |
| |
| return WTF::nullopt; |
| } |
| |
| static Optional<String> createProxyUrl(const URL &url) |
| { |
| if (url.isEmpty() || url.host().isEmpty()) |
| return WTF::nullopt; |
| |
| if (!url.protocolIsInHTTPFamily() && !protocolIsInSocksFamily(url)) |
| return WTF::nullopt; |
| |
| auto port = getProxyPort(url); |
| if (!port) |
| return WTF::nullopt; |
| |
| auto userpass = url.hasCredentials() ? makeString(url.user(), ":", url.password(), "@") : String(); |
| return makeString(url.protocol(), "://", userpass, url.host(), ":", *port); |
| } |
| |
| } |
| |
| #endif |