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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_challenge_tokenizer.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"
#include "net/http/http_auth_preferences.h"
#include "net/http/http_auth_scheme.h"
#include "net/ssl/ssl_info.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 SSLInfo& ssl_info,
const GURL& origin,
const BoundNetLog& net_log,
scoped_ptr<HttpAuthHandler>* handler) {
HttpAuthChallengeTokenizer props(challenge.begin(), challenge.end());
return CreateAuthHandler(&props, target, ssl_info, 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) {
HttpAuthChallengeTokenizer props(challenge.begin(), challenge.end());
SSLInfo null_ssl_info;
return CreateAuthHandler(&props, target, null_ssl_info, origin,
CREATE_PREEMPTIVE, digest_nonce_count, net_log,
handler);
}
namespace {
const char* const kDefaultAuthSchemes[] = {kBasicAuthScheme, kDigestAuthScheme,
#if defined(USE_KERBEROS) && !defined(OS_ANDROID)
kNegotiateAuthScheme,
#endif
kNtlmAuthScheme};
// Create a registry factory. Note that |prefs| may be a temporary, and
// should only be used to create the factories. It should not be passed
// to the registry factory or its children as the preferences they should
// use.
scoped_ptr<HttpAuthHandlerRegistryFactory> CreateAuthHandlerRegistryFactory(
const HttpAuthPreferences& prefs,
HostResolver* host_resolver) {
scoped_ptr<HttpAuthHandlerRegistryFactory> registry_factory(
new HttpAuthHandlerRegistryFactory());
if (prefs.IsSupportedScheme(kBasicAuthScheme))
registry_factory->RegisterSchemeFactory(
kBasicAuthScheme, new HttpAuthHandlerBasic::Factory());
if (prefs.IsSupportedScheme(kDigestAuthScheme))
registry_factory->RegisterSchemeFactory(
kDigestAuthScheme, new HttpAuthHandlerDigest::Factory());
if (prefs.IsSupportedScheme(kNtlmAuthScheme)) {
HttpAuthHandlerNTLM::Factory* ntlm_factory =
new HttpAuthHandlerNTLM::Factory();
#if defined(OS_WIN)
ntlm_factory->set_sspi_library(new SSPILibraryDefault());
#endif // defined(OS_WIN)
registry_factory->RegisterSchemeFactory(kNtlmAuthScheme, ntlm_factory);
}
#if defined(USE_KERBEROS)
if (prefs.IsSupportedScheme(kNegotiateAuthScheme)) {
DCHECK(host_resolver);
HttpAuthHandlerNegotiate::Factory* negotiate_factory =
new HttpAuthHandlerNegotiate::Factory();
#if defined(OS_WIN)
negotiate_factory->set_library(make_scoped_ptr(new SSPILibraryDefault()));
#elif defined(OS_POSIX) && !defined(OS_ANDROID)
negotiate_factory->set_library(
make_scoped_ptr(new GSSAPISharedLibrary(prefs.GssapiLibraryName())));
#endif // defined(OS_POSIX) && !defined(OS_ANDROID)
negotiate_factory->set_host_resolver(host_resolver);
registry_factory->RegisterSchemeFactory(kNegotiateAuthScheme,
negotiate_factory);
}
#endif // defined(USE_KERBEROS)
return registry_factory;
}
} // namespace
HttpAuthHandlerRegistryFactory::HttpAuthHandlerRegistryFactory() {
}
HttpAuthHandlerRegistryFactory::~HttpAuthHandlerRegistryFactory() {
}
void HttpAuthHandlerRegistryFactory::SetHttpAuthPreferences(
const std::string& scheme,
const HttpAuthPreferences* prefs) {
HttpAuthHandlerFactory* factory = GetSchemeFactory(scheme);
if (factory)
factory->set_http_auth_preferences(prefs);
}
void HttpAuthHandlerRegistryFactory::RegisterSchemeFactory(
const std::string& scheme,
HttpAuthHandlerFactory* factory) {
factory->set_http_auth_preferences(http_auth_preferences());
std::string lower_scheme = base::ToLowerASCII(scheme);
if (factory)
factory_map_[lower_scheme] = make_scoped_ptr(factory);
else
factory_map_.erase(lower_scheme);
}
HttpAuthHandlerFactory* HttpAuthHandlerRegistryFactory::GetSchemeFactory(
const std::string& scheme) const {
std::string lower_scheme = base::ToLowerASCII(scheme);
FactoryMap::const_iterator it = factory_map_.find(lower_scheme);
if (it == factory_map_.end()) {
return NULL; // |scheme| is not registered.
}
return it->second.get();
}
// static
scoped_ptr<HttpAuthHandlerRegistryFactory>
HttpAuthHandlerFactory::CreateDefault(HostResolver* host_resolver) {
std::vector<std::string> auth_types(std::begin(kDefaultAuthSchemes),
std::end(kDefaultAuthSchemes));
HttpAuthPreferences prefs(auth_types
#if defined(OS_POSIX) && !defined(OS_ANDROID)
,
std::string()
#endif
);
return CreateAuthHandlerRegistryFactory(prefs, host_resolver);
}
// static
scoped_ptr<HttpAuthHandlerRegistryFactory>
HttpAuthHandlerRegistryFactory::Create(const HttpAuthPreferences* prefs,
HostResolver* host_resolver) {
scoped_ptr<HttpAuthHandlerRegistryFactory> registry_factory(
CreateAuthHandlerRegistryFactory(*prefs, host_resolver));
registry_factory->set_http_auth_preferences(prefs);
for (auto& factory_entry : registry_factory->factory_map_) {
factory_entry.second->set_http_auth_preferences(prefs);
}
return registry_factory;
}
int HttpAuthHandlerRegistryFactory::CreateAuthHandler(
HttpAuthChallengeTokenizer* challenge,
HttpAuth::Target target,
const SSLInfo& ssl_info,
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 = base::ToLowerASCII(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, ssl_info, origin,
reason, digest_nonce_count, net_log,
handler);
}
} // namespace net
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