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Implement NetworkService request interception/handling (see issue #2622).
Implementation notes: - Chromium change: CookieMonster::SetCookieableSchemes needs to be called immediately after the CookieMonster is created in NetworkContext:: ApplyContextParamsToBuilder. Add a Profile::GetCookieableSchemes method and NetworkContextParams.cookieable_schemes member (set from ProfileNetworkContextService::CreateNetworkContextParams) to support that. - Chromium change: Add a ContentBrowserClient::HandleExternalProtocol variant that exposes additional NetworkService request information. - GetResourceResponseFilter is not yet implemented. API changes: - Resource-related callbacks have been moved from CefRequestHandler to a new CefResourceRequestHandler interface which is returned via the GetResourceRequestHandler method. If the CefRequestHandler declines to handle a resource it can optionally be handled by the CefRequestContextHandler, if any, associated with the loading context. - The OnProtocolExecution callback has been moved from CefRequestHandler to CefResourceRequestHandler and will be called if a custom scheme request is unhandled. - Cookie send/save permission callbacks have been moved from CefRequestHandler and CefResourceHandler to CefResourceRequestHandler. - New methods added to CefResourceHandler that better match NetworkService execution sequence expectations. The old methods are now deprecated. - New methods added to CefRequest and CefResponse. Known behavior changes with the NetworkService implementation: - Modifying the |new_url| parameter in OnResourceRedirect will no longer result in the method being called an additional time (likely a bug in the old implementation). - Modifying the request URL in OnResourceResponse would previously cause a redirect. This behavior is now deprecated because the NetworkService does not support this functionality when using default network loaders. Temporary support has been added in combination with CefResourceHandler usage only. - Other changes to the request object in OnResourceResponse will now cause the request to be restarted. This means that OnBeforeResourceLoad, etc, will be called an additional time with the new request information. - CefResponse::GetMimeType will now be empty for non-200 responses. - Requests using custom schemes can now be handled via CefResourceRequestHandler with the same callback behavior as builtin schemes. - Redirects of custom scheme requests will now be followed as expected. - Default handling of builtin schemes can now be disabled by setting |disable_default_handling| to true in GetResourceRequestHandler. - Unhandled requests (custom scheme or builtin scheme with default handling disabled) will fail with an CefResponse::GetError value of ERR_UNKNOWN_URL_SCHEME. - The CefSchemeHandlerFactory::Create callback will now include cookie headers. To test: - Run `cefclient --enable-network-service`. All resources should load successfully (this tests the transparent proxy capability). - All tests pass with NetworkService disabled. - The following tests pass with NetworkService enabled: - CookieTest.* - FrameTest.* (excluding .*Nav) - NavigationTest.* (excluding .Redirect*) - RequestHandlerTest.* - RequestContextTest.Basic* - RequestContextTest.Popup* - RequestTest.* - ResourceManagerTest.* - ResourceRequestHandlerTest.* (excluding .Filter*) - SchemeHandlerTest.* - StreamResourceHandlerTest.*
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@@ -33,7 +33,7 @@
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// by hand. See the translator.README.txt file in the tools directory for
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// more information.
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//
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// $hash=2bf745d270f474b3d5b36fc3fc2fca2b508ec16f$
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// $hash=240893b4019b0bf8c69ffc1682ddabcacabcb3e4$
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//
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#ifndef CEF_INCLUDE_CAPI_CEF_REQUEST_CONTEXT_HANDLER_CAPI_H_
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@@ -41,14 +41,16 @@
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#pragma once
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#include "include/capi/cef_base_capi.h"
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#include "include/capi/cef_browser_capi.h"
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#include "include/capi/cef_frame_capi.h"
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#include "include/capi/cef_request_capi.h"
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#include "include/capi/cef_resource_request_handler_capi.h"
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#include "include/capi/cef_web_plugin_capi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct _cef_request_context_t;
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///
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// Implement this structure to provide handler implementations. The handler
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// instance will not be released until all objects related to the context have
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@@ -95,6 +97,35 @@ typedef struct _cef_request_context_handler_t {
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const cef_string_t* top_origin_url,
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struct _cef_web_plugin_info_t* plugin_info,
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cef_plugin_policy_t* plugin_policy);
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///
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// Called on the browser process IO thread before a resource request is
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// initiated. The |browser| and |frame| values represent the source of the
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// request, and may be NULL for requests originating from service workers.
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// |request| represents the request contents and cannot be modified in this
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// callback. |is_navigation| will be true (1) if the resource request is a
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// navigation. |is_download| will be true (1) if the resource request is a
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// download. |request_initiator| is the origin (scheme + domain) of the page
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// that initiated the request. Set |disable_default_handling| to true (1) to
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// disable default handling of the request, in which case it will need to be
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// handled via cef_resource_request_handler_t::GetResourceHandler or it will
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// be canceled. To allow the resource load to proceed with default handling
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// return NULL. To specify a handler for the resource return a
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// cef_resource_request_handler_t object. This function will not be called if
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// the client associated with |browser| returns a non-NULL value from
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// cef_request_tHandler::GetResourceRequestHandler for the same request
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// (identified by cef_request_t::GetIdentifier).
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///
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struct _cef_resource_request_handler_t*(
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CEF_CALLBACK* get_resource_request_handler)(
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struct _cef_request_context_handler_t* self,
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struct _cef_browser_t* browser,
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struct _cef_frame_t* frame,
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struct _cef_request_t* request,
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int is_navigation,
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int is_download,
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const cef_string_t* request_initiator,
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int* disable_default_handling);
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} cef_request_context_handler_t;
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#ifdef __cplusplus
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