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// Copyright (c) 2012 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 CONTENT_BROWSER_SSL_SSL_MANAGER_H_
#define CONTENT_BROWSER_SSL_SSL_MANAGER_H_
#include <string>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "content/browser/ssl/ssl_policy_backend.h"
#include "content/browser/ssl/ssl_error_handler.h"
#include "content/common/content_export.h"
#include "content/public/browser/global_request_id.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "googleurl/src/gurl.h"
#include "net/cert/cert_status_flags.h"
#include "net/base/net_errors.h"
namespace net {
class SSLInfo;
}
namespace content {
class BrowserContext;
class NavigationEntryImpl;
class NavigationControllerImpl;
class SSLPolicy;
struct LoadFromMemoryCacheDetails;
struct ResourceRedirectDetails;
struct ResourceRequestDetails;
// The SSLManager SSLManager controls the SSL UI elements in a WebContents. It
// listens for various events that influence when these elements should or
// should not be displayed and adjusts them accordingly.
//
// There is one SSLManager per tab.
// The security state (secure/insecure) is stored in the navigation entry.
// Along with it are stored any SSL error code and the associated cert.
class SSLManager : public NotificationObserver {
public:
// Entry point for SSLCertificateErrors. This function begins the process
// of resolving a certificate error during an SSL connection. SSLManager
// will adjust the security UI and either call |CancelSSLRequest| or
// |ContinueSSLRequest| of |delegate| with |id| as the first argument.
//
// Called on the IO thread.
static void OnSSLCertificateError(
const base::WeakPtr<SSLErrorHandler::Delegate>& delegate,
const GlobalRequestID& id,
ResourceType::Type resource_type,
const GURL& url,
int render_process_id,
int render_view_id,
const net::SSLInfo& ssl_info,
bool fatal);
// Called when SSL state for a host or tab changes.
static void NotifySSLInternalStateChanged(BrowserContext* context);
// Construct an SSLManager for the specified tab.
// If |delegate| is NULL, SSLPolicy::GetDefaultPolicy() is used.
explicit SSLManager(NavigationControllerImpl* controller);
virtual ~SSLManager();
SSLPolicy* policy() { return policy_.get(); }
SSLPolicyBackend* backend() { return &backend_; }
// The navigation controller associated with this SSLManager. The
// NavigationController is guaranteed to outlive the SSLManager.
NavigationControllerImpl* controller() { return controller_; }
// This entry point is called directly (instead of via the notification
// service) because we need more precise control of the order in which folks
// are notified of this event.
void DidCommitProvisionalLoad(const NotificationDetails& details);
// Insecure content entry point.
void DidDisplayInsecureContent();
void DidRunInsecureContent(const std::string& security_origin);
// Entry point for navigation. This function begins the process of updating
// the security UI when the main frame navigates to a new URL.
//
// Called on the UI thread.
virtual void Observe(int type,
const NotificationSource& source,
const NotificationDetails& details) OVERRIDE;
private:
// Entry points for notifications to which we subscribe. Note that
// DidCommitProvisionalLoad uses the abstract NotificationDetails type since
// the type we need is in NavigationController which would create a circular
// header file dependency.
void DidLoadFromMemoryCache(LoadFromMemoryCacheDetails* details);
void DidStartResourceResponse(ResourceRequestDetails* details);
void DidReceiveResourceRedirect(ResourceRedirectDetails* details);
// Update the NavigationEntry with our current state.
void UpdateEntry(NavigationEntryImpl* entry);
// The backend for the SSLPolicy to actuate its decisions.
SSLPolicyBackend backend_;
// The SSLPolicy instance for this manager.
scoped_ptr<SSLPolicy> policy_;
// The NavigationController that owns this SSLManager. We are responsible
// for the security UI of this tab.
NavigationControllerImpl* controller_;
// Handles registering notifications with the NotificationService.
NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(SSLManager);
};
} // namespace content
#endif // CONTENT_BROWSER_SSL_SSL_MANAGER_H_
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