electron/patches/chromium/can_create_window.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Thu, 20 Sep 2018 17:45:32 -0700
Subject: can_create_window.patch

This adds a hook to the window creation flow so that Electron can intercede and
potentially prevent a window from being created.

TODO(loc): this patch is currently broken.

diff --git a/content/browser/renderer_host/render_frame_host_impl.cc b/content/browser/renderer_host/render_frame_host_impl.cc
index 666ed8890f60cd0477b814b4b44571002eca9bff..73f730ff05a22938a834921d4842bf1f9faaca67 100644
--- a/content/browser/renderer_host/render_frame_host_impl.cc
+++ b/content/browser/renderer_host/render_frame_host_impl.cc
@@ -9823,6 +9823,7 @@ void RenderFrameHostImpl::CreateNewWindow(
           last_committed_origin_, params->window_container_type,
           params->target_url, params->referrer.To<Referrer>(),
           params->frame_name, params->disposition, *params->features,
+          params->raw_features, params->body,
           effective_transient_activation_state, params->opener_suppressed,
           &no_javascript_access);
 
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 3677a957465f59ab80ac059bfcb5afdf98513b48..7a6760e0efdf6972eb497407b68202c5bfffd006 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -5298,6 +5298,10 @@ FrameTree* WebContentsImpl::CreateNewWindow(
   create_params.initially_hidden = renderer_started_hidden;
   create_params.initial_popup_url = params.target_url;
 
+  // Potentially allow the delegate to override the create_params.
+  if (delegate_)
+    delegate_->MaybeOverrideCreateParamsForNewWindow(&create_params);
+
   // Even though all codepaths leading here are in response to a renderer
   // trying to open a new window, if the new window ends up in a different
   // browsing instance, then the RenderViewHost, RenderWidgetHost,
@@ -5353,6 +5357,12 @@ FrameTree* WebContentsImpl::CreateNewWindow(
   // Sets the newly created WebContents WindowOpenDisposition.
   new_contents_impl->original_window_open_disposition_ = params.disposition;
 
+  if (delegate_) {
+    delegate_->WebContentsCreatedWithFullParams(this, render_process_id,
+                                                opener->GetRoutingID(),
+                                                params, new_contents_impl);
+  }
+
   // If the new frame has a name, make sure any SiteInstances that can find
   // this named frame have proxies for it.  Must be called after
   // SetSessionStorageNamespace, since this calls CreateRenderView, which uses
@@ -5394,12 +5404,6 @@ FrameTree* WebContentsImpl::CreateNewWindow(
     AddWebContentsDestructionObserver(new_contents_impl);
   }
 
-  if (delegate_) {
-    delegate_->WebContentsCreated(this, render_process_id,
-                                  opener->GetRoutingID(), params.frame_name,
-                                  params.target_url, new_contents_impl);
-  }
-
   observers_.NotifyObservers(&WebContentsObserver::DidOpenRequestedURL,
                              new_contents_impl, opener, params.target_url,
                              params.referrer.To<Referrer>(), params.disposition,
diff --git a/content/common/frame.mojom b/content/common/frame.mojom
index 90cc84198b7f23c6a07ab503f60a577fdfba5baa..722b27b8adaf86624058ace5f9b5871ff0ede627 100644
--- a/content/common/frame.mojom
+++ b/content/common/frame.mojom
@@ -661,6 +661,10 @@ struct CreateNewWindowParams {
   pending_associated_remote<blink.mojom.Widget> widget;
   pending_associated_receiver<blink.mojom.FrameWidgetHost> frame_widget_host;
   pending_associated_remote<blink.mojom.FrameWidget> frame_widget;
+
+  // Extra fields added by Electron.
+  string raw_features;
+  network.mojom.URLRequestBody? body;
 };
 
 // Operation result when the renderer asks the browser to create a new window.
diff --git a/content/public/browser/content_browser_client.cc b/content/public/browser/content_browser_client.cc
index 750edc0c6767ab6a59d010b4f3f02770e50450b0..60e7eebb4f40df18e3fa28f57b7bbb20733477e7 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -884,6 +884,8 @@ bool ContentBrowserClient::CanCreateWindow(
     const std::string& frame_name,
     WindowOpenDisposition disposition,
     const blink::mojom::WindowFeatures& features,
+    const std::string& raw_features,
+    const scoped_refptr<network::ResourceRequestBody>& body,
     bool user_gesture,
     bool opener_suppressed,
     bool* no_javascript_access) {
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index eb7b1fdf7c3b3373201db40f03fc498c4ee08d25..f27b387da5ff4e4f20d28d80043151ad2f2e9d51 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -201,6 +201,7 @@ class NetworkService;
 class TrustedURLLoaderHeaderClient;
 }  // namespace mojom
 struct ResourceRequest;
+class ResourceRequestBody;
 }  // namespace network
 
 namespace sandbox {
@@ -1449,6 +1450,8 @@ class CONTENT_EXPORT ContentBrowserClient {
       const std::string& frame_name,
       WindowOpenDisposition disposition,
       const blink::mojom::WindowFeatures& features,
+      const std::string& raw_features,
+      const scoped_refptr<network::ResourceRequestBody>& body,
       bool user_gesture,
       bool opener_suppressed,
       bool* no_javascript_access);
diff --git a/content/public/browser/web_contents_delegate.cc b/content/public/browser/web_contents_delegate.cc
index a8c0f1c63847f814b6e71fe24ae9aed24b26ba19..80d004eb9060e33af9e60b31a862a7dcecb254e8 100644
--- a/content/public/browser/web_contents_delegate.cc
+++ b/content/public/browser/web_contents_delegate.cc
@@ -33,6 +33,17 @@ namespace content {
 
 WebContentsDelegate::WebContentsDelegate() = default;
 
+void WebContentsDelegate::WebContentsCreatedWithFullParams(
+    WebContents* source_contents,
+    int opener_render_process_id,
+    int opener_render_frame_id,
+    const mojom::CreateNewWindowParams& params,
+    WebContents* new_contents) {
+  WebContentsCreated(source_contents, opener_render_process_id,
+                     opener_render_frame_id, params.frame_name,
+                     params.target_url, new_contents);
+}
+
 WebContents* WebContentsDelegate::OpenURLFromTab(
     WebContents* source,
     const OpenURLParams& params,
diff --git a/content/public/browser/web_contents_delegate.h b/content/public/browser/web_contents_delegate.h
index 1af915fcc91ae29bb9a6e2fc51f788178365ee4c..6a43f8c30857bfb32867e63d570ad26459af9ae8 100644
--- a/content/public/browser/web_contents_delegate.h
+++ b/content/public/browser/web_contents_delegate.h
@@ -18,6 +18,7 @@
 #include "base/types/expected.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
+#include "content/common/frame.mojom.h"
 #include "content/public/browser/eye_dropper.h"
 #include "content/public/browser/fullscreen_types.h"
 #include "content/public/browser/invalidate_type.h"
@@ -29,6 +30,7 @@
 #include "content/public/browser/select_audio_output_request.h"
 #include "content/public/browser/serial_chooser.h"
 #include "content/public/browser/storage_partition_config.h"
+#include "content/public/browser/web_contents.h"
 #include "content/public/common/window_container_type.mojom-forward.h"
 #include "third_party/blink/public/common/input/web_mouse_event.h"
 #include "third_party/blink/public/common/mediastream/media_stream_request.h"
@@ -381,6 +383,16 @@ class CONTENT_EXPORT WebContentsDelegate {
       const StoragePartitionConfig& partition_config,
       SessionStorageNamespace* session_storage_namespace);
 
+  virtual void WebContentsCreatedWithFullParams(
+      WebContents* source_contents,
+      int opener_render_process_id,
+      int opener_render_frame_id,
+      const mojom::CreateNewWindowParams& params,
+      WebContents* new_contents);
+
+  virtual void MaybeOverrideCreateParamsForNewWindow(
+      content::WebContents::CreateParams* create_params) {}
+
   // Notifies the delegate about the creation of a new WebContents. This
   // typically happens when popups are created.
   virtual void WebContentsCreated(WebContents* source_contents,
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index a8d472bb78f3a9478b70cf3d98c35affec7caf39..bc2ec7491d7072be77307d7b8af06e5397e2bdfb 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -6772,6 +6772,10 @@ WebView* RenderFrameImpl::CreateNewWindow(
           request.HasUserGesture(), GetWebFrame()->IsAdFrame(),
           GetWebFrame()->IsAdScriptInStack());
 
+  params->raw_features = features.raw_features.Utf8(
+      blink::Utf8ConversionMode::kStrictReplacingErrors);
+  params->body = GetRequestBodyForWebURLRequest(request);
+
   // We preserve this information before sending the message since |params| is
   // moved on send.
   bool is_background_tab =
diff --git a/content/web_test/browser/web_test_content_browser_client.cc b/content/web_test/browser/web_test_content_browser_client.cc
index 66a10226b043a490295e518230c20bba0ed71d6c..14b78014d93ce459789fd497dfcfb71e2cc769bd 100644
--- a/content/web_test/browser/web_test_content_browser_client.cc
+++ b/content/web_test/browser/web_test_content_browser_client.cc
@@ -537,6 +537,8 @@ bool WebTestContentBrowserClient::CanCreateWindow(
     const std::string& frame_name,
     WindowOpenDisposition disposition,
     const blink::mojom::WindowFeatures& features,
+    const std::string& raw_features,
+    const scoped_refptr<network::ResourceRequestBody>& body,
     bool user_gesture,
     bool opener_suppressed,
     bool* no_javascript_access) {
diff --git a/content/web_test/browser/web_test_content_browser_client.h b/content/web_test/browser/web_test_content_browser_client.h
index 790f004d2a3a9ae5a3588fda097732a5daac0c75..83fcc9418b89b669863e730f2049a1d836eef260 100644
--- a/content/web_test/browser/web_test_content_browser_client.h
+++ b/content/web_test/browser/web_test_content_browser_client.h
@@ -98,6 +98,8 @@ class WebTestContentBrowserClient : public ShellContentBrowserClient {
                        const std::string& frame_name,
                        WindowOpenDisposition disposition,
                        const blink::mojom::WindowFeatures& features,
+                       const std::string& raw_features,
+                       const scoped_refptr<network::ResourceRequestBody>& body,
                        bool user_gesture,
                        bool opener_suppressed,
                        bool* no_javascript_access) override;
diff --git a/third_party/blink/public/web/web_window_features.h b/third_party/blink/public/web/web_window_features.h
index 82e9d3dfb5f7da76d89fe15ae61d379fa46e177d..fd035512099a54dff6cc951a2226c23a252a90e2 100644
--- a/third_party/blink/public/web/web_window_features.h
+++ b/third_party/blink/public/web/web_window_features.h
@@ -35,6 +35,7 @@
 #include <vector>
 
 #include "third_party/blink/public/platform/web_string.h"
+#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
 
 namespace blink {
 
@@ -74,6 +75,8 @@ struct WebWindowFeatures {
   // TODO(apaseltiner): Investigate moving this field to a non-public struct
   // since it is only needed within //third_party/blink.
   std::optional<std::vector<WebString>> attribution_srcs;
+
+  String raw_features;
 };
 
 }  // namespace blink
diff --git a/third_party/blink/renderer/core/frame/local_dom_window.cc b/third_party/blink/renderer/core/frame/local_dom_window.cc
index 68ab3d483fe60671de50ec8952a0f71f103e4ad3..7ea5e45c08d7af439cf3eec041391ed7902ec865 100644
--- a/third_party/blink/renderer/core/frame/local_dom_window.cc
+++ b/third_party/blink/renderer/core/frame/local_dom_window.cc
@@ -2333,6 +2333,8 @@ DOMWindow* LocalDOMWindow::open(v8::Isolate* isolate,
   WebWindowFeatures window_features =
       GetWindowFeaturesFromString(features, entered_window);
 
+  window_features.raw_features = features;
+
   if (window_features.is_partitioned_popin) {
     UseCounter::Count(*entered_window,
                       WebFeature::kPartitionedPopin_OpenAttempt);