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| |
| #include "plugin_response_interceptor_url_loader_throttle.h" |
| |
| #include "base/bind.h" |
| #include "base/task/post_task.h" |
| #include "content/public/browser/browser_task_traits.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/download_manager.h" |
| #include "content/public/browser/download_request_utils.h" |
| #include "content/public/browser/download_utils.h" |
| #include "content/public/common/resource_type.h" |
| #include "extensions/common/constants.h" |
| #include "extensions/common/extension.h" |
| |
| #include "extensions/extension_system_qt.h" |
| #include "profile_adapter.h" |
| #include "profile_io_data_qt.h" |
| #include "profile_qt.h" |
| #include "web_contents_delegate_qt.h" |
| |
| #include <string> |
| |
| namespace QtWebEngineCore { |
| |
| void onPdfStreamIntercepted(const GURL &original_url, std::string extension_id, int frame_tree_node_id) |
| { |
| content::WebContents *web_contents = content::WebContents::FromFrameTreeNodeId(frame_tree_node_id); |
| if (!web_contents) |
| return; |
| |
| WebContentsDelegateQt *contentsDelegate = static_cast<WebContentsDelegateQt *>(web_contents->GetDelegate()); |
| if (!contentsDelegate) |
| return; |
| |
| WebEngineSettings *settings = contentsDelegate->webEngineSettings(); |
| if (!settings->testAttribute(WebEngineSettings::PdfViewerEnabled) |
| || !settings->testAttribute(WebEngineSettings::PluginsEnabled)) { |
| // If the applications has been set up to always download PDF files to open them in an |
| // external viewer, trigger the download. |
| std::unique_ptr<download::DownloadUrlParameters> params( |
| content::DownloadRequestUtils::CreateDownloadForWebContentsMainFrame(web_contents, original_url, |
| MISSING_TRAFFIC_ANNOTATION)); |
| content::BrowserContext::GetDownloadManager(web_contents->GetBrowserContext())->DownloadUrl(std::move(params)); |
| return; |
| } |
| |
| // The URL passes the original pdf resource url, that will be requested |
| // by the pdf viewer extension page. |
| content::NavigationController::LoadURLParams params( |
| GURL(base::StringPrintf("%s://%s/index.html?%s", extensions::kExtensionScheme, |
| extension_id.c_str(), original_url.spec().c_str()))); |
| |
| params.frame_tree_node_id = frame_tree_node_id; |
| web_contents->GetController().LoadURLWithParams(params); |
| } |
| |
| |
| PluginResponseInterceptorURLLoaderThrottle::PluginResponseInterceptorURLLoaderThrottle( |
| content::ResourceContext *resource_context, int resource_type, int frame_tree_node_id) |
| : m_resource_context(resource_context), m_resource_type(resource_type), m_frame_tree_node_id(frame_tree_node_id) |
| {} |
| |
| PluginResponseInterceptorURLLoaderThrottle::PluginResponseInterceptorURLLoaderThrottle( |
| content::BrowserContext *browser_context, int resource_type, int frame_tree_node_id) |
| : m_browser_context(browser_context), m_resource_type(resource_type), m_frame_tree_node_id(frame_tree_node_id) |
| {} |
| |
| void PluginResponseInterceptorURLLoaderThrottle::WillProcessResponse(const GURL &response_url, |
| network::mojom::URLResponseHead *response_head, |
| bool *defer) |
| { |
| Q_UNUSED(defer); |
| if (content::download_utils::MustDownload(response_url, response_head->headers.get(), response_head->mime_type)) |
| return; |
| |
| if (m_resource_context) { |
| DCHECK_CURRENTLY_ON(content::BrowserThread::IO); |
| } else { |
| DCHECK(m_browser_context); |
| DCHECK_CURRENTLY_ON(content::BrowserThread::UI); |
| } |
| |
| std::string extension_id; |
| // FIXME: We should use extensions::InfoMap in the future: |
| if (response_head->mime_type == "application/pdf") |
| extension_id = extension_misc::kPdfExtensionId; |
| if (extension_id.empty()) |
| return; |
| |
| *defer = true; |
| |
| base::PostTask(FROM_HERE, {content::BrowserThread::UI}, |
| base::BindOnce(&onPdfStreamIntercepted, |
| response_url, |
| extension_id, |
| m_frame_tree_node_id)); |
| } |
| |
| } // namespace QtWebEngineCore |