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// Copyright (c) 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.
#ifndef ANDROID_WEBVIEW_BROWSER_AW_SSL_HOST_STATE_DELEGATE_H_
#define ANDROID_WEBVIEW_BROWSER_AW_SSL_HOST_STATE_DELEGATE_H_
#include <map>
#include <string>
#include "content/public/browser/ssl_host_state_delegate.h"
#include "net/base/hash_value.h"
#include "net/cert/cert_status_flags.h"
#include "net/cert/x509_certificate.h"
namespace android_webview {
namespace internal {
// This class maintains the policy for storing actions on certificate errors.
class CertPolicy {
public:
CertPolicy();
~CertPolicy();
// Returns true if the user has decided to proceed through the ssl error
// before. For a certificate to be allowed, it must not have any
// *additional* errors from when it was allowed.
bool Check(const net::X509Certificate& cert, net::CertStatus error) const;
// Causes the policy to allow this certificate for a given |error|. And
// remember the user's choice.
void Allow(const net::X509Certificate& cert, net::CertStatus error);
// Returns true if and only if there exists a user allow exception for some
// certificate.
bool HasAllowException() const { return allowed_.size() > 0; }
private:
// The set of fingerprints of allowed certificates.
std::map<net::SHA256HashValue, net::CertStatus, net::SHA256HashValueLessThan>
allowed_;
};
} // namespace internal
class AwSSLHostStateDelegate : public content::SSLHostStateDelegate {
public:
AwSSLHostStateDelegate();
~AwSSLHostStateDelegate() override;
// Records that |cert| is permitted to be used for |host| in the future, for
// a specified |error| type.
void AllowCert(const std::string& host,
const net::X509Certificate& cert,
net::CertStatus error) override;
void Clear() override;
// Queries whether |cert| is allowed or denied for |host| and |error|.
content::SSLHostStateDelegate::CertJudgment QueryPolicy(
const std::string& host,
const net::X509Certificate& cert,
net::CertStatus error,
bool* expired_previous_decision) override;
// Records that a host has run insecure content.
void HostRanInsecureContent(const std::string& host, int pid) override;
// Returns whether the specified host ran insecure content.
bool DidHostRunInsecureContent(const std::string& host,
int pid) const override;
// Revokes all SSL certificate error allow exceptions made by the user for
// |host|.
void RevokeUserAllowExceptions(const std::string& host) override;
// Returns whether the user has allowed a certificate error exception for
// |host|. This does not mean that *all* certificate errors are allowed, just
// that there exists an exception. To see if a particular certificate and
// error combination exception is allowed, use QueryPolicy().
bool HasAllowException(const std::string& host) const override;
private:
// Certificate policies for each host.
std::map<std::string, internal::CertPolicy> cert_policy_for_host_;
DISALLOW_COPY_AND_ASSIGN(AwSSLHostStateDelegate);
};
} // namespace android_webview
#endif // ANDROID_WEBVIEW_BROWSER_AW_SSL_HOST_STATE_DELEGATE_H_
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