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// Copyright (c) 2009 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 CHROME_BROWSER_SSL_SSL_POLICY_H_
#define CHROME_BROWSER_SSL_SSL_POLICY_H_
#include <string>
#include "chrome/browser/ssl/ssl_blocking_page.h"
#include "chrome/common/filter_policy.h"
#include "webkit/glue/resource_type.h"
class NavigationEntry;
class SSLCertErrorHandler;
class SSLMixedContentHandler;
class SSLPolicyBackend;
class SSLRequestInfo;
// SSLPolicy
//
// This class is responsible for making the security decisions that concern the
// SSL trust indicators. It relies on the SSLPolicyBackend to actually enact
// the decisions it reaches.
//
class SSLPolicy : public SSLBlockingPage::Delegate {
public:
explicit SSLPolicy(SSLPolicyBackend* backend);
virtual ~SSLPolicy() {}
// An error occurred with the certificate in an SSL connection.
void OnCertError(SSLCertErrorHandler* handler);
// A request for a mixed-content resource was made. Note that the resource
// request was not started yet and the delegate is responsible for starting
// it.
void OnMixedContent(SSLMixedContentHandler* handler);
// We have started a resource request with the given info.
void OnRequestStarted(SSLRequestInfo* info);
// Update the SSL information in |entry| to match the current state.
void UpdateEntry(NavigationEntry* entry);
// This method is static because it is called from both the UI and the IO
// threads.
static bool IsMixedContent(const GURL& url,
ResourceType::Type resource_type,
FilterPolicy::Type filter_policy,
const std::string& frame_origin);
SSLPolicyBackend* backend() const { return backend_; }
// SSLBlockingPage::Delegate methods.
virtual SSLErrorInfo GetSSLErrorInfo(SSLCertErrorHandler* handler);
virtual void OnDenyCertificate(SSLCertErrorHandler* handler);
virtual void OnAllowCertificate(SSLCertErrorHandler* handler);
private:
class ShowMixedContentTask;
// Helper method for derived classes handling certificate errors that can be
// overridden by the user.
// Show a blocking page and let the user continue or cancel the request.
void OnOverridableCertError(SSLCertErrorHandler* handler);
// Helper method for derived classes handling fatal certificate errors.
// Cancel the request and show an error page.
void OnFatalCertError(SSLCertErrorHandler* handler);
// Show an error page for this certificate error. This error page does not
// give the user the opportunity to ingore the error.
void ShowErrorPage(SSLCertErrorHandler* handler);
// Add a warning about mixed content to the JavaScript console. This warning
// helps web developers track down and eliminate mixed content on their site.
void AddMixedContentWarningToConsole(SSLMixedContentHandler* handler);
// If the security style of |entry| has not been initialized, then initialize
// it with the default style for its URL.
void InitializeEntryIfNeeded(NavigationEntry* entry);
// Mark |origin| as containing insecure content in the process with ID |pid|.
void MarkOriginAsBroken(const std::string& origin, int pid);
// Allow |origin| to include mixed content. This stops us from showing an
// infobar warning after the user as approved mixed content.
void AllowMixedContentForOrigin(const std::string& origin);
// Called after we've decided that |info| represents a request for mixed
// content. Updates our internal state to reflect that we've loaded |info|.
void UpdateStateForMixedContent(SSLRequestInfo* info);
// Called after we've decided that |info| represents a request for unsafe
// content. Updates our internal state to reflect that we've loaded |info|.
void UpdateStateForUnsafeContent(SSLRequestInfo* info);
// The backend we use to enact our decisions.
SSLPolicyBackend* backend_;
DISALLOW_COPY_AND_ASSIGN(SSLPolicy);
};
#endif // CHROME_BROWSER_SSL_SSL_POLICY_H_
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