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// Copyright (c) 2011 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 NET_HTTP_URL_SECURITY_MANAGER_H_
#define NET_HTTP_URL_SECURITY_MANAGER_H_
#include <memory>
#include "base/macros.h"
#include "net/base/net_export.h"
class GURL;
namespace net {
class HttpAuthFilter;
// The URL security manager controls the policies (allow, deny, prompt user)
// regarding URL actions (e.g., sending the default credentials to a server).
class NET_EXPORT_PRIVATE URLSecurityManager {
public:
URLSecurityManager() {}
virtual ~URLSecurityManager() {}
// Creates a platform-dependent instance of URLSecurityManager.
//
// A security manager has two allowlists, a "default allowlist" that is a
// allowlist of servers with which default credentials can be used, and a
// "delegate allowlist" that is the allowlist of servers that are allowed to
// have delegated Kerberos tickets.
//
// On creation both allowlists are empty.
//
// If the default allowlist is empty and the platform is Windows, it indicates
// that security zone mapping should be used to determine whether default
// credentials should be used. If the default allowlist is empty and the
// platform is non-Windows, it indicates that no servers should be
// allowlisted.
//
// If the delegate allowlist is empty no servers can have delegated Kerberos
// tickets.
//
static std::unique_ptr<URLSecurityManager> Create();
// Returns true if we can send the default credentials to the server at
// |auth_origin| for HTTP NTLM or Negotiate authentication.
virtual bool CanUseDefaultCredentials(const GURL& auth_origin) const = 0;
// Returns true if Kerberos delegation is allowed for the server at
// |auth_origin| for HTTP Negotiate authentication.
virtual bool CanDelegate(const GURL& auth_origin) const = 0;
virtual void SetDefaultAllowlist(
std::unique_ptr<HttpAuthFilter> allowlist_default) = 0;
virtual void SetDelegateAllowlist(
std::unique_ptr<HttpAuthFilter> allowlist_delegate) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(URLSecurityManager);
};
class URLSecurityManagerAllowlist : public URLSecurityManager {
public:
URLSecurityManagerAllowlist();
~URLSecurityManagerAllowlist() override;
// URLSecurityManager methods.
bool CanUseDefaultCredentials(const GURL& auth_origin) const override;
bool CanDelegate(const GURL& auth_origin) const override;
void SetDefaultAllowlist(
std::unique_ptr<HttpAuthFilter> allowlist_default) override;
void SetDelegateAllowlist(
std::unique_ptr<HttpAuthFilter> allowlist_delegate) override;
protected:
bool HasDefaultAllowlist() const;
private:
std::unique_ptr<const HttpAuthFilter> allowlist_default_;
std::unique_ptr<const HttpAuthFilter> allowlist_delegate_;
DISALLOW_COPY_AND_ASSIGN(URLSecurityManagerAllowlist);
};
} // namespace net
#endif // NET_HTTP_URL_SECURITY_MANAGER_H_
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