Use current URL for webview

Author: code-asher

README.md

@@ -111,8 +111,8 @@ Our changes include:
 - Add a `code-server` schema.
 - Allow multiple extension directories (both user and built-in).
 - Rewrite assets requested by the browser to use the base URL.
-- Modify the loader to use the base URL.
-- Modify the web socket to use the base URL and TLS if necessary.
+- Modify the loader, websocket, webview, and service worker to use the URL of
+  the page as a base (and TLS if necessary for the websocket).
 - Send client-side telemetry through the server.
 - Add a file prefix to ignore for temporary files created during upload.
 - Insert our upload service for use in editor windows and explorer.

scripts/vscode.patch

@@ -174,10 +174,10 @@ index 5b06636edb..60b508079a 100644
  	<!-- Require our AMD loader -->
  	<script src="./out/vs/loader.js"></script>
 diff --git a/src/vs/code/browser/workbench/workbench.js b/src/vs/code/browser/workbench/workbench.js
-index 65fae7c82d..c9744007c9 100644
+index 65fae7c82d..9a9b8bbe3b 100644
 --- a/src/vs/code/browser/workbench/workbench.js
 +++ b/src/vs/code/browser/workbench/workbench.js
-@@ -7,15 +7,20 @@
+@@ -7,21 +7,26 @@
 
  (function () {
 
@@ -205,6 +205,14 @@ index 65fae7c82d..c9744007c9 100644
  		}
  	});
 
+ 	require(['vs/workbench/workbench.web.api'], function (api) {
+ 		const options = JSON.parse(document.getElementById('vscode-workbench-web-configuration').getAttribute('data-settings'));
+-
++		options.webviewEndpoint = `${base}/webview/`;
+ 		api.create(document.body, options);
+ 	});
+ })();
+\ No newline at end of file
 diff --git a/src/vs/platform/environment/common/environment.ts b/src/vs/platform/environment/common/environment.ts
 index a6c9eb9d11..3f8995b727 100644
 --- a/src/vs/platform/environment/common/environment.ts

src/server.ts

@@ -469,7 +469,6 @@ export class MainServer extends Server {
 		const workspacePath = parsedUrl.query.workspace as string | undefined;
 		const folderPath = !workspacePath ? parsedUrl.query.folder as string | undefined || this.options.folderUri || cwd: undefined;
 		const remoteAuthority = request.headers.host as string;
-		const webviewEndpoint = this.withBase(request, "/webview/");
 		const transformer = getUriTransformer(remoteAuthority);
 		const options: Options = {
 			WORKBENCH_WEB_CONGIGURATION: {
@@ -480,7 +479,6 @@ export class MainServer extends Server {
 					? transformer.transformOutgoing(URI.file(sanitizeFilePath(folderPath, cwd)))
 					: undefined,
 				remoteAuthority,
-				webviewEndpoint,
 			},
 			REMOTE_USER_DATA_URI: transformer.transformOutgoing(
 				(this.services.get(IEnvironmentService) as EnvironmentService).webUserDataHome,
@@ -497,7 +495,7 @@ export class MainServer extends Server {
 		for (const key in options) {
 			content = content.replace(`"{{${key}}}"`, `'${JSON.stringify(options[key as keyof Options])}'`);
 		}
-		content = content.replace('{{WEBVIEW_ENDPOINT}}', webviewEndpoint);
+		content = content.replace("{{WEBVIEW_ENDPOINT}}", "");
 
 		return { content, filePath };
 	}