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/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 47749c430a71c3060c3e258ce1671bf6b03fa8c8..f2aedf5321a13742c6e3c2c4b7492b236a2d726c 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -4305,6 +4305,7 @@ 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 4311fd59dfd8db1dfbebd898c43c3b48caf6cdd7..2ddb86702558920cb372d2c8b3423b2d53d68e56 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -2910,9 +2910,9 @@ void WebContentsImpl::CreateNewWindow(
   }

   if (delegate_) {
-    delegate_->WebContentsCreated(this, render_process_id,
-                                  opener->GetRoutingID(), params.frame_name,
-                                  params.target_url, new_contents_impl);
+    delegate_->WebContentsCreatedWithFullParams(this, render_process_id,
+                                                opener->GetRoutingID(),
+                                                params, new_contents_impl);
   }

   for (auto& observer : observers_) {
diff --git a/content/common/frame.mojom b/content/common/frame.mojom
index 00d9c34304266b49e3f9703ef1aea6524d026ed5..44bb5868b8c3699230d74de0f0903af572d000fc 100644
--- a/content/common/frame.mojom
+++ b/content/common/frame.mojom
@@ -303,6 +303,10 @@ struct CreateNewWindowParams {

   // The window features to use for the new window.
   blink.mojom.WindowFeatures features;
+
+  // 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 702cd0792df47809d9278dd3af40e0e70494e229..75cd0ad7a8dc1efd89683d8da192050659c5016f 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -508,6 +508,8 @@ 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 ed0460f7e3c9e2149eed89f7d35a4bb457f6b29f..5fc3d0e31927b618d04024fcc42b2061580a4f22 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -143,6 +143,7 @@ class NetworkService;
 class TrustedURLLoaderHeaderClient;
 }  // namespace mojom
 struct ResourceRequest;
+class ResourceRequestBody;
 }  // namespace network

 namespace rappor {
@@ -825,6 +826,8 @@ 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 5aa89aef4dbf3fe4ac7ce56b99c371d188584351..72a434fa612cdb4521aab981f98883af87783a80 100644
--- a/content/public/browser/web_contents_delegate.cc
+++ b/content/public/browser/web_contents_delegate.cc
@@ -26,6 +26,17 @@ 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) {
   return nullptr;
diff --git a/content/public/browser/web_contents_delegate.h b/content/public/browser/web_contents_delegate.h
index 01db3853cb915dca4873c779f06bbf84b002abf6..4a8e4cf2386594e27e2dd8117bac78531b28830c 100644
--- a/content/public/browser/web_contents_delegate.h
+++ b/content/public/browser/web_contents_delegate.h
@@ -16,6 +16,7 @@
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
+#include "content/common/frame.mojom.h"
 #include "content/public/browser/bluetooth_chooser.h"
 #include "content/public/browser/bluetooth_scanning_prompt.h"
 #include "content/public/browser/invalidate_type.h"
@@ -333,6 +334,13 @@ class CONTENT_EXPORT WebContentsDelegate {
       const std::string& partition_id,
       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);
+
   // 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_view_impl.cc b/content/renderer/render_view_impl.cc
index b3388258feb1d9fd791a975b08a382addd06af3a..98855151d1f07177a20b0f6079f2f48826d215ca 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -68,6 +68,7 @@
 #include "content/renderer/ime_event_guard.h"
 #include "content/renderer/internal_document_state_data.h"
 #include "content/renderer/loader/request_extra_data.h"
+#include "content/renderer/loader/web_url_request_util.h"
 #include "content/renderer/media/audio/audio_device_factory.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_frame_proxy.h"
@@ -1255,6 +1256,10 @@ WebView* RenderViewImpl::CreateView(
   }
   params->features = ConvertWebWindowFeaturesToMojoWindowFeatures(features);

+  params->raw_features = features.raw_features.Utf8(
+      WTF::UTF8ConversionMode::kStrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD);
+  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/shell/browser/web_test/web_test_content_browser_client.cc b/content/shell/browser/web_test/web_test_content_browser_client.cc
index bf7c4bf0b76a89b1ecee6edc11fcfd06fe679968..79b2ba79653a251d3a4c3a54adbcd5c10c460b19 100644
--- a/content/shell/browser/web_test/web_test_content_browser_client.cc
+++ b/content/shell/browser/web_test/web_test_content_browser_client.cc
@@ -333,6 +333,8 @@ 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/shell/browser/web_test/web_test_content_browser_client.h b/content/shell/browser/web_test/web_test_content_browser_client.h
index aaf3b8fed16bc2959941effaffd3aec87017ca59..1ea96df464f61c963a6d9aa224b9607e4221daa6 100644
--- a/content/shell/browser/web_test/web_test_content_browser_client.h
+++ b/content/shell/browser/web_test/web_test_content_browser_client.h
@@ -71,6 +71,8 @@ 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 4f735ad0d97eaac9a57dad137e479f8a7ec33a36..0a3c5821962c85609b64b3625fa6b8d658cd9ab2 100644
--- a/third_party/blink/public/web/web_window_features.h
+++ b/third_party/blink/public/web/web_window_features.h
@@ -31,6 +31,8 @@
 #ifndef THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_WINDOW_FEATURES_H_
 #define THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_WINDOW_FEATURES_H_

+#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
+
 namespace blink {

 struct WebWindowFeatures {
@@ -60,6 +62,8 @@ struct WebWindowFeatures {
   bool noreferrer = false;
   bool background = false;
   bool persistent = false;
+
+  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 07cb6e3fabfa7a32f9923dcf4fbc8cebccdbde46..58e768bfcac2561f4427c71b6c31ba73f9be4b7b 100644
--- a/third_party/blink/renderer/core/frame/local_dom_window.cc
+++ b/third_party/blink/renderer/core/frame/local_dom_window.cc
@@ -1492,6 +1492,7 @@ DOMWindow* LocalDOMWindow::open(v8::Isolate* isolate,
   }

   WebWindowFeatures window_features = GetWindowFeaturesFromString(features);
+  window_features.raw_features = features;

   FrameLoadRequest frame_request(active_document,
                                  ResourceRequest(completed_url));