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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/http/http_auth_handler_factory.h"
#include "base/stl_util.h"
#include "base/strings/string_util.h"
#include "net/base/net_errors.h"
#include "net/http/http_auth_filter.h"
#include "net/http/http_auth_handler_basic.h"
#include "net/http/http_auth_handler_digest.h"
#include "net/http/http_auth_handler_ntlm.h"
#if defined(USE_KERBEROS)
#include "net/http/http_auth_handler_negotiate.h"
#endif
namespace net {
int HttpAuthHandlerFactory::CreateAuthHandlerFromString(
const std::string& challenge,
HttpAuth::Target target,
const GURL& origin,
const BoundNetLog& net_log,
scoped_ptr<HttpAuthHandler>* handler) {
HttpAuth::ChallengeTokenizer props(challenge.begin(), challenge.end());
return CreateAuthHandler(&props, target, origin, CREATE_CHALLENGE, 1,
net_log, handler);
}
int HttpAuthHandlerFactory::CreatePreemptiveAuthHandlerFromString(
const std::string& challenge,
HttpAuth::Target target,
const GURL& origin,
int digest_nonce_count,
const BoundNetLog& net_log,
scoped_ptr<HttpAuthHandler>* handler) {
HttpAuth::ChallengeTokenizer props(challenge.begin(), challenge.end());
return CreateAuthHandler(&props, target, origin, CREATE_PREEMPTIVE,
digest_nonce_count, net_log, handler);
}
// static
HttpAuthHandlerRegistryFactory* HttpAuthHandlerFactory::CreateDefault(
HostResolver* host_resolver) {
DCHECK(host_resolver);
HttpAuthHandlerRegistryFactory* registry_factory =
new HttpAuthHandlerRegistryFactory();
registry_factory->RegisterSchemeFactory(
"basic", new HttpAuthHandlerBasic::Factory());
registry_factory->RegisterSchemeFactory(
"digest", new HttpAuthHandlerDigest::Factory());
#if defined(USE_KERBEROS)
HttpAuthHandlerNegotiate::Factory* negotiate_factory =
new HttpAuthHandlerNegotiate::Factory();
#if defined(OS_POSIX)
negotiate_factory->set_library(new GSSAPISharedLibrary(std::string()));
#elif defined(OS_WIN)
negotiate_factory->set_library(new SSPILibraryDefault());
#endif
negotiate_factory->set_host_resolver(host_resolver);
registry_factory->RegisterSchemeFactory("negotiate", negotiate_factory);
#endif // defined(USE_KERBEROS)
HttpAuthHandlerNTLM::Factory* ntlm_factory =
new HttpAuthHandlerNTLM::Factory();
#if defined(OS_WIN)
ntlm_factory->set_sspi_library(new SSPILibraryDefault());
#endif
registry_factory->RegisterSchemeFactory("ntlm", ntlm_factory);
return registry_factory;
}
namespace {
bool IsSupportedScheme(const std::vector<std::string>& supported_schemes,
const std::string& scheme) {
std::vector<std::string>::const_iterator it = std::find(
supported_schemes.begin(), supported_schemes.end(), scheme);
return it != supported_schemes.end();
}
} // namespace
HttpAuthHandlerRegistryFactory::HttpAuthHandlerRegistryFactory() {
}
HttpAuthHandlerRegistryFactory::~HttpAuthHandlerRegistryFactory() {
STLDeleteContainerPairSecondPointers(factory_map_.begin(),
factory_map_.end());
}
void HttpAuthHandlerRegistryFactory::SetURLSecurityManager(
const std::string& scheme,
URLSecurityManager* security_manager) {
HttpAuthHandlerFactory* factory = GetSchemeFactory(scheme);
if (factory)
factory->set_url_security_manager(security_manager);
}
void HttpAuthHandlerRegistryFactory::RegisterSchemeFactory(
const std::string& scheme,
HttpAuthHandlerFactory* factory) {
std::string lower_scheme = StringToLowerASCII(scheme);
FactoryMap::iterator it = factory_map_.find(lower_scheme);
if (it != factory_map_.end()) {
delete it->second;
}
if (factory)
factory_map_[lower_scheme] = factory;
else
factory_map_.erase(it);
}
HttpAuthHandlerFactory* HttpAuthHandlerRegistryFactory::GetSchemeFactory(
const std::string& scheme) const {
std::string lower_scheme = StringToLowerASCII(scheme);
FactoryMap::const_iterator it = factory_map_.find(lower_scheme);
if (it == factory_map_.end()) {
return NULL; // |scheme| is not registered.
}
return it->second;
}
// static
HttpAuthHandlerRegistryFactory* HttpAuthHandlerRegistryFactory::Create(
const std::vector<std::string>& supported_schemes,
URLSecurityManager* security_manager,
HostResolver* host_resolver,
const std::string& gssapi_library_name,
bool negotiate_disable_cname_lookup,
bool negotiate_enable_port) {
HttpAuthHandlerRegistryFactory* registry_factory =
new HttpAuthHandlerRegistryFactory();
if (IsSupportedScheme(supported_schemes, "basic"))
registry_factory->RegisterSchemeFactory(
"basic", new HttpAuthHandlerBasic::Factory());
if (IsSupportedScheme(supported_schemes, "digest"))
registry_factory->RegisterSchemeFactory(
"digest", new HttpAuthHandlerDigest::Factory());
if (IsSupportedScheme(supported_schemes, "ntlm")) {
HttpAuthHandlerNTLM::Factory* ntlm_factory =
new HttpAuthHandlerNTLM::Factory();
ntlm_factory->set_url_security_manager(security_manager);
#if defined(OS_WIN)
ntlm_factory->set_sspi_library(new SSPILibraryDefault());
#endif
registry_factory->RegisterSchemeFactory("ntlm", ntlm_factory);
}
#if defined(USE_KERBEROS)
if (IsSupportedScheme(supported_schemes, "negotiate")) {
HttpAuthHandlerNegotiate::Factory* negotiate_factory =
new HttpAuthHandlerNegotiate::Factory();
#if defined(OS_POSIX)
negotiate_factory->set_library(
new GSSAPISharedLibrary(gssapi_library_name));
#elif defined(OS_WIN)
negotiate_factory->set_library(new SSPILibraryDefault());
#endif
negotiate_factory->set_url_security_manager(security_manager);
DCHECK(host_resolver || negotiate_disable_cname_lookup);
negotiate_factory->set_host_resolver(host_resolver);
negotiate_factory->set_disable_cname_lookup(negotiate_disable_cname_lookup);
negotiate_factory->set_use_port(negotiate_enable_port);
registry_factory->RegisterSchemeFactory("negotiate", negotiate_factory);
}
#endif // defined(USE_KERBEROS)
return registry_factory;
}
int HttpAuthHandlerRegistryFactory::CreateAuthHandler(
HttpAuth::ChallengeTokenizer* challenge,
HttpAuth::Target target,
const GURL& origin,
CreateReason reason,
int digest_nonce_count,
const BoundNetLog& net_log,
scoped_ptr<HttpAuthHandler>* handler) {
std::string scheme = challenge->scheme();
if (scheme.empty()) {
handler->reset();
return ERR_INVALID_RESPONSE;
}
std::string lower_scheme = StringToLowerASCII(scheme);
FactoryMap::iterator it = factory_map_.find(lower_scheme);
if (it == factory_map_.end()) {
handler->reset();
return ERR_UNSUPPORTED_AUTH_SCHEME;
}
DCHECK(it->second);
return it->second->CreateAuthHandler(challenge, target, origin, reason,
digest_nonce_count, net_log, handler);
}
} // namespace net
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