| /* |
| * 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 "AuthenticationChallenge.h" |
| |
| #if USE(CURL) |
| |
| #include "CurlContext.h" |
| #include "CurlResponse.h" |
| #include "ResourceError.h" |
| |
| namespace WebCore { |
| |
| AuthenticationChallenge::AuthenticationChallenge(const CurlResponse& curlResponse, unsigned previousFailureCount, const ResourceResponse& response, AuthenticationClient* client) |
| : AuthenticationChallengeBase(protectionSpaceForPasswordBased(curlResponse, response), Credential(), previousFailureCount, response, ResourceError()) |
| , m_authenticationClient(client) |
| { |
| } |
| |
| AuthenticationChallenge::AuthenticationChallenge(const URL& url, const CertificateInfo& certificateInfo, const ResourceError& resourceError, AuthenticationClient* client) |
| : AuthenticationChallengeBase(protectionSpaceForServerTrust(url, certificateInfo), Credential(), 0, ResourceResponse(), resourceError) |
| , m_authenticationClient(client) |
| { |
| } |
| |
| ProtectionSpace::ServerType AuthenticationChallenge::protectionSpaceServerTypeFromURI(const URL& url, bool isForProxy) |
| { |
| if (url.protocolIs("https"_s)) |
| return isForProxy ? ProtectionSpace::ServerType::ProxyHTTPS : ProtectionSpace::ServerType::HTTPS; |
| if (url.protocolIs("http"_s)) |
| return isForProxy ? ProtectionSpace::ServerType::ProxyHTTP : ProtectionSpace::ServerType::HTTP; |
| if (url.protocolIs("ftp"_s)) |
| return isForProxy ? ProtectionSpace::ServerType::ProxyFTP : ProtectionSpace::ServerType::FTP; |
| return isForProxy ? ProtectionSpace::ServerType::ProxyHTTP : ProtectionSpace::ServerType::HTTP; |
| } |
| |
| ProtectionSpace AuthenticationChallenge::protectionSpaceForPasswordBased(const CurlResponse& curlResponse, const ResourceResponse& response) |
| { |
| if (!response.isUnauthorized() && !response.isProxyAuthenticationRequired()) |
| return ProtectionSpace(); |
| |
| auto isProxyAuth = response.isProxyAuthenticationRequired(); |
| const auto& url = isProxyAuth ? curlResponse.proxyUrl : response.url(); |
| auto port = determineProxyPort(url); |
| auto serverType = protectionSpaceServerTypeFromURI(url, isProxyAuth); |
| auto authenticationScheme = authenticationSchemeFromCurlAuth(isProxyAuth ? curlResponse.availableProxyAuth : curlResponse.availableHttpAuth); |
| |
| return ProtectionSpace(url.host().toString(), static_cast<int>(port.value_or(0)), serverType, parseRealm(response), authenticationScheme); |
| } |
| |
| ProtectionSpace AuthenticationChallenge::protectionSpaceForServerTrust(const URL& url, const CertificateInfo& certificateInfo) |
| { |
| auto port = determineProxyPort(url); |
| auto serverType = protectionSpaceServerTypeFromURI(url, false); |
| auto authenticationScheme = ProtectionSpace::AuthenticationScheme::ServerTrustEvaluationRequested; |
| |
| return ProtectionSpace(url.host().toString(), static_cast<int>(port.value_or(0)), serverType, String(), authenticationScheme, certificateInfo); |
| } |
| |
| std::optional<uint16_t> AuthenticationChallenge::determineProxyPort(const URL& url) |
| { |
| static const uint16_t socksPort = 1080; |
| |
| if (auto port = url.port()) |
| return *port; |
| |
| if (auto port = defaultPortForProtocol(url.protocol())) |
| return *port; |
| |
| if (protocolIsInSocksFamily(url)) |
| return socksPort; |
| |
| return std::nullopt; |
| } |
| |
| ProtectionSpace::AuthenticationScheme AuthenticationChallenge::authenticationSchemeFromCurlAuth(long curlAuth) |
| { |
| if (curlAuth & CURLAUTH_NTLM) |
| return ProtectionSpace::AuthenticationScheme::NTLM; |
| if (curlAuth & CURLAUTH_NEGOTIATE) |
| return ProtectionSpace::AuthenticationScheme::Negotiate; |
| if (curlAuth & CURLAUTH_DIGEST) |
| return ProtectionSpace::AuthenticationScheme::HTTPDigest; |
| if (curlAuth & CURLAUTH_BASIC) |
| return ProtectionSpace::AuthenticationScheme::HTTPBasic; |
| return ProtectionSpace::AuthenticationScheme::Unknown; |
| } |
| |
| String AuthenticationChallenge::parseRealm(const ResourceResponse& response) |
| { |
| static constexpr auto wwwAuthenticate = "www-authenticate"_s; |
| static constexpr auto proxyAuthenticate = "proxy-authenticate"_s; |
| static NeverDestroyed<String> realmString(MAKE_STATIC_STRING_IMPL("realm=")); |
| |
| String realm; |
| auto authHeader = response.httpHeaderField(StringView { response.isUnauthorized() ? wwwAuthenticate : proxyAuthenticate }); |
| auto realmPos = authHeader.findIgnoringASCIICase(realmString.get()); |
| if (realmPos != notFound) { |
| realm = authHeader.substring(realmPos + realmString.get().length()); |
| realm = realm.left(realm.find(',')); |
| removeLeadingAndTrailingQuotes(realm); |
| } |
| return realm; |
| } |
| |
| void AuthenticationChallenge::removeLeadingAndTrailingQuotes(String& value) |
| { |
| auto length = value.length(); |
| if (value.startsWith('"') && value.endsWith('"') && length > 1) |
| value = value.substring(1, length - 2); |
| } |
| |
| } // namespace WebCore |
| |
| #endif |