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353 lines
15 KiB
C++
353 lines
15 KiB
C++
// Copyright (c) 2011 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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//
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// The contents of this file must follow a specific format in order to
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// support the CEF translator tool. See the translator.README.txt file in the
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// tools directory for more information.
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//
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#ifndef CEF_INCLUDE_CEF_REQUEST_HANDLER_H_
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#define CEF_INCLUDE_CEF_REQUEST_HANDLER_H_
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#pragma once
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#include <vector>
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#include "include/cef_auth_callback.h"
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#include "include/cef_base.h"
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#include "include/cef_browser.h"
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#include "include/cef_frame.h"
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#include "include/cef_resource_handler.h"
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#include "include/cef_response.h"
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#include "include/cef_response_filter.h"
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#include "include/cef_request.h"
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#include "include/cef_ssl_info.h"
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#include "include/cef_x509_certificate.h"
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///
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// Callback interface used for asynchronous continuation of url requests.
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///
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/*--cef(source=library)--*/
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class CefRequestCallback : public virtual CefBaseRefCounted {
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public:
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///
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// Continue the url request. If |allow| is true the request will be continued.
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// Otherwise, the request will be canceled.
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///
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/*--cef(capi_name=cont)--*/
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virtual void Continue(bool allow) =0;
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///
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// Cancel the url request.
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///
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/*--cef()--*/
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virtual void Cancel() =0;
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};
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///
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// Callback interface used to select a client certificate for authentication.
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///
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/*--cef(source=library)--*/
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class CefSelectClientCertificateCallback : public virtual CefBaseRefCounted {
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public:
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///
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// Chooses the specified certificate for client certificate authentication.
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// NULL value means that no client certificate should be used.
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///
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/*--cef(optional_param=cert)--*/
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virtual void Select(CefRefPtr<CefX509Certificate> cert) =0;
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};
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///
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// Implement this interface to handle events related to browser requests. The
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// methods of this class will be called on the thread indicated.
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///
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/*--cef(source=client)--*/
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class CefRequestHandler : public virtual CefBaseRefCounted {
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public:
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typedef cef_return_value_t ReturnValue;
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typedef cef_termination_status_t TerminationStatus;
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typedef cef_urlrequest_status_t URLRequestStatus;
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typedef cef_window_open_disposition_t WindowOpenDisposition;
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typedef std::vector<CefRefPtr<CefX509Certificate> > X509CertificateList;
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///
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// Called on the UI thread before browser navigation. Return true to cancel
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// the navigation or false to allow the navigation to proceed. The |request|
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// object cannot be modified in this callback.
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// CefLoadHandler::OnLoadingStateChange will be called twice in all cases.
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// If the navigation is allowed CefLoadHandler::OnLoadStart and
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// CefLoadHandler::OnLoadEnd will be called. If the navigation is canceled
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// CefLoadHandler::OnLoadError will be called with an |errorCode| value of
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// ERR_ABORTED.
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///
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/*--cef()--*/
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virtual bool OnBeforeBrowse(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefRefPtr<CefRequest> request,
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bool is_redirect) {
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return false;
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}
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///
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// Called on the UI thread before OnBeforeBrowse in certain limited cases
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// where navigating a new or different browser might be desirable. This
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// includes user-initiated navigation that might open in a special way (e.g.
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// links clicked via middle-click or ctrl + left-click) and certain types of
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// cross-origin navigation initiated from the renderer process (e.g.
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// navigating the top-level frame to/from a file URL). The |browser| and
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// |frame| values represent the source of the navigation. The
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// |target_disposition| value indicates where the user intended to navigate
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// the browser based on standard Chromium behaviors (e.g. current tab,
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// new tab, etc). The |user_gesture| value will be true if the browser
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// navigated via explicit user gesture (e.g. clicking a link) or false if it
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// navigated automatically (e.g. via the DomContentLoaded event). Return true
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// to cancel the navigation or false to allow the navigation to proceed in the
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// source browser's top-level frame.
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///
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/*--cef()--*/
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virtual bool OnOpenURLFromTab(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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const CefString& target_url,
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WindowOpenDisposition target_disposition,
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bool user_gesture) {
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return false;
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}
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///
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// Called on the IO thread before a resource request is loaded. The |request|
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// object may be modified. Return RV_CONTINUE to continue the request
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// immediately. Return RV_CONTINUE_ASYNC and call CefRequestCallback::
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// Continue() at a later time to continue or cancel the request
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// asynchronously. Return RV_CANCEL to cancel the request immediately.
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//
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///
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/*--cef(default_retval=RV_CONTINUE)--*/
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virtual ReturnValue OnBeforeResourceLoad(
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CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefRefPtr<CefRequest> request,
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CefRefPtr<CefRequestCallback> callback) {
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return RV_CONTINUE;
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}
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///
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// Called on the IO thread before a resource is loaded. To allow the resource
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// to load normally return NULL. To specify a handler for the resource return
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// a CefResourceHandler object. The |request| object should not be modified in
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// this callback.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefResourceHandler> GetResourceHandler(
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CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefRefPtr<CefRequest> request) {
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return NULL;
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}
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///
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// Called on the IO thread when a resource load is redirected. The |request|
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// parameter will contain the old URL and other request-related information.
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// The |response| parameter will contain the response that resulted in the
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// redirect. The |new_url| parameter will contain the new URL and can be
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// changed if desired. The |request| object cannot be modified in this
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// callback.
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///
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/*--cef()--*/
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virtual void OnResourceRedirect(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefRefPtr<CefRequest> request,
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CefRefPtr<CefResponse> response,
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CefString& new_url) {}
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///
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// Called on the IO thread when a resource response is received. To allow the
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// resource to load normally return false. To redirect or retry the resource
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// modify |request| (url, headers or post body) and return true. The
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// |response| object cannot be modified in this callback.
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///
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/*--cef()--*/
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virtual bool OnResourceResponse(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefRefPtr<CefRequest> request,
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CefRefPtr<CefResponse> response) {
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return false;
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}
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///
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// Called on the IO thread to optionally filter resource response content.
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// |request| and |response| represent the request and response respectively
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// and cannot be modified in this callback.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefResponseFilter> GetResourceResponseFilter(
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CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefRefPtr<CefRequest> request,
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CefRefPtr<CefResponse> response) {
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return NULL;
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}
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///
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// Called on the IO thread when a resource load has completed. |request| and
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// |response| represent the request and response respectively and cannot be
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// modified in this callback. |status| indicates the load completion status.
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// |received_content_length| is the number of response bytes actually read.
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///
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/*--cef()--*/
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virtual void OnResourceLoadComplete(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefRefPtr<CefRequest> request,
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CefRefPtr<CefResponse> response,
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URLRequestStatus status,
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int64 received_content_length) {}
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///
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// Called on the IO thread when the browser needs credentials from the user.
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// |isProxy| indicates whether the host is a proxy server. |host| contains the
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// hostname and |port| contains the port number. |realm| is the realm of the
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// challenge and may be empty. |scheme| is the authentication scheme used,
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// such as "basic" or "digest", and will be empty if the source of the request
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// is an FTP server. Return true to continue the request and call
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// CefAuthCallback::Continue() either in this method or at a later time when
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// the authentication information is available. Return false to cancel the
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// request immediately.
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///
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/*--cef(optional_param=realm,optional_param=scheme)--*/
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virtual bool GetAuthCredentials(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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bool isProxy,
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const CefString& host,
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int port,
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const CefString& realm,
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const CefString& scheme,
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CefRefPtr<CefAuthCallback> callback) {
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return false;
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}
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///
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// Called on the IO thread when JavaScript requests a specific storage quota
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// size via the webkitStorageInfo.requestQuota function. |origin_url| is the
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// origin of the page making the request. |new_size| is the requested quota
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// size in bytes. Return true to continue the request and call
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// CefRequestCallback::Continue() either in this method or at a later time to
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// grant or deny the request. Return false to cancel the request immediately.
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///
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/*--cef()--*/
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virtual bool OnQuotaRequest(CefRefPtr<CefBrowser> browser,
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const CefString& origin_url,
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int64 new_size,
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CefRefPtr<CefRequestCallback> callback) {
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return false;
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}
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///
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// Called on the UI thread to handle requests for URLs with an unknown
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// protocol component. Set |allow_os_execution| to true to attempt execution
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// via the registered OS protocol handler, if any.
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// SECURITY WARNING: YOU SHOULD USE THIS METHOD TO ENFORCE RESTRICTIONS BASED
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// ON SCHEME, HOST OR OTHER URL ANALYSIS BEFORE ALLOWING OS EXECUTION.
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///
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/*--cef()--*/
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virtual void OnProtocolExecution(CefRefPtr<CefBrowser> browser,
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const CefString& url,
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bool& allow_os_execution) {}
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///
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// Called on the UI thread to handle requests for URLs with an invalid
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// SSL certificate. Return true and call CefRequestCallback::Continue() either
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// in this method or at a later time to continue or cancel the request. Return
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// false to cancel the request immediately. If
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// CefSettings.ignore_certificate_errors is set all invalid certificates will
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// be accepted without calling this method.
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///
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/*--cef()--*/
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virtual bool OnCertificateError(
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CefRefPtr<CefBrowser> browser,
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cef_errorcode_t cert_error,
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const CefString& request_url,
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CefRefPtr<CefSSLInfo> ssl_info,
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CefRefPtr<CefRequestCallback> callback) {
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return false;
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}
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///
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// Called on the UI thread when a client certificate is being requested for
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// authentication. Return false to use the default behavior and automatically
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// select the first certificate available. Return true and call
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// CefSelectClientCertificateCallback::Select either in this method or at a
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// later time to select a certificate. Do not call Select or call it with NULL
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// to continue without using any certificate. |isProxy| indicates whether the
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// host is an HTTPS proxy or the origin server. |host| and |port| contains the
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// hostname and port of the SSL server. |certificates| is the list of
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// certificates to choose from; this list has already been pruned by Chromium
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// so that it only contains certificates from issuers that the server trusts.
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///
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/*--cef()--*/
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virtual bool OnSelectClientCertificate(
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CefRefPtr<CefBrowser> browser,
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bool isProxy,
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const CefString& host,
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int port,
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const X509CertificateList& certificates,
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CefRefPtr<CefSelectClientCertificateCallback> callback) {
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return false;
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}
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///
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// Called on the browser process UI thread when a plugin has crashed.
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// |plugin_path| is the path of the plugin that crashed.
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///
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/*--cef()--*/
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virtual void OnPluginCrashed(CefRefPtr<CefBrowser> browser,
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const CefString& plugin_path) {}
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///
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// Called on the browser process UI thread when the render view associated
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// with |browser| is ready to receive/handle IPC messages in the render
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// process.
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///
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/*--cef()--*/
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virtual void OnRenderViewReady(CefRefPtr<CefBrowser> browser) {}
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///
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// Called on the browser process UI thread when the render process
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// terminates unexpectedly. |status| indicates how the process
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// terminated.
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///
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/*--cef()--*/
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virtual void OnRenderProcessTerminated(CefRefPtr<CefBrowser> browser,
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TerminationStatus status) {}
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};
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#endif // CEF_INCLUDE_CEF_REQUEST_HANDLER_H_
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