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// Copyright 2014 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 "content/browser/ssl/ssl_host_state.h"
#include "base/logging.h"
#include "base/lazy_instance.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/ssl_host_state_delegate.h"
#include "net/http/http_transaction_factory.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_getter.h"
const char kKeyName[] = "content_ssl_host_state";
namespace content {
SSLHostState* SSLHostState::GetFor(BrowserContext* context) {
SSLHostState* rv = static_cast<SSLHostState*>(context->GetUserData(kKeyName));
if (!rv) {
rv = new SSLHostState();
rv->delegate_ = context->GetSSLHostStateDelegate();
// |context| may be NULL, implementing the default storage strategy.
if (context)
context->SetUserData(kKeyName, rv);
}
return rv;
}
SSLHostState::SSLHostState() {
}
SSLHostState::~SSLHostState() {
}
void SSLHostState::HostRanInsecureContent(const std::string& host, int pid) {
DCHECK(CalledOnValidThread());
ran_insecure_content_hosts_.insert(BrokenHostEntry(host, pid));
}
bool SSLHostState::DidHostRunInsecureContent(const std::string& host,
int pid) const {
DCHECK(CalledOnValidThread());
return !!ran_insecure_content_hosts_.count(BrokenHostEntry(host, pid));
}
void SSLHostState::DenyCertForHost(net::X509Certificate* cert,
const std::string& host,
net::CertStatus error) {
DCHECK(CalledOnValidThread());
if (!delegate_)
return;
delegate_->DenyCert(host, cert, error);
}
void SSLHostState::AllowCertForHost(net::X509Certificate* cert,
const std::string& host,
net::CertStatus error) {
DCHECK(CalledOnValidThread());
if (!delegate_)
return;
delegate_->AllowCert(host, cert, error);
}
void SSLHostState::RevokeAllowAndDenyPreferences(const std::string& host) {
DCHECK(CalledOnValidThread());
if (!delegate_)
return;
// TODO(jww): This will revoke all of the decisions in the browser context.
// However, the networking stack actually keeps track of its own list of
// exceptions per-HttpNetworkTransaction in the SSLConfig structure (see the
// allowed_bad_certs Vector in net/ssl/ssl_config.h). This dual-tracking of
// exceptions introduces a problem where the browser context can revoke a
// certificate, but if a transaction reuses a cached version of the SSLConfig
// (probably from a pooled socket), it may bypass the intestitial layer.
//
// Over time, the cached versions should expire and it should converge on
// showing the interstitial. We probably need to
// introduce into the networking stack a way revoke SSLConfig's
// allowed_bad_certs lists per socket.
delegate_->RevokeAllowAndDenyPreferences(host);
}
bool SSLHostState::HasAllowedOrDeniedCert(const std::string& host) {
DCHECK(CalledOnValidThread());
if (!delegate_)
return false;
return delegate_->HasAllowedOrDeniedCert(host);
}
void SSLHostState::Clear() {
if (!delegate_)
return;
delegate_->Clear();
}
net::CertPolicy::Judgment SSLHostState::QueryPolicy(net::X509Certificate* cert,
const std::string& host,
net::CertStatus error) {
DCHECK(CalledOnValidThread());
if (!delegate_)
return net::CertPolicy::Judgment::UNKNOWN;
return delegate_->QueryPolicy(host, cert, error);
}
} // namespace content
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