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https://github.com/coder/code-server.git
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f9cc07926b
* Update Code to 1.76.1 - worker-src already contains blob so we can avoid patching that. - localeService moved. - Remaining changes were just line changes. * Make language extensions installable again Still might want to look into making the native language support work but for now it seems better not to break backwards compatibility since the native implementation is quite different. * Avoid "install in browser" for language packs It will not work. * Import correct locale service I believe before the contributions imported this but now we have to do it here.
135 lines
6.6 KiB
Diff
135 lines
6.6 KiB
Diff
Serve webviews from the same origin
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Normally webviews are served from vscode-webview.net but we would rather them be
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self-hosted.
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When doing this CSP will block resources (for example when viewing images) so
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add 'self' to the CSP to fix that.
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Additionally the service worker defaults to handling *all* requests made to the
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current host but when self-hosting the webview this will end up including the
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webview HTML itself which means these requests will fail since the communication
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channel between the webview and the main thread has not been set up yet as the
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webview itself is not ready yet (it has no HTML and therefore no script either).
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Since this code exists only for the authentication case we can just skip it when
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it is served from the current host as authentication is not a problem if the
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request is not cross-origin.
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There is also an origin check we bypass (this seems to be related to how the
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webview host is separate by default but we serve on the same host).
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To test, open a few types of webviews (images, markdown, extension details, etc).
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Make sure to update the hash. To do so:
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1. run code-server
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2. open any webview (i.e. preview Markdown)
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3. see error in console and copy hash
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That will test the hash change in pre/index.html
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Double-check the console to make sure there are no console errors for the webWorkerExtensionHostIframe
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which also requires a hash change.
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parentOriginHash changes
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This fixes webviews from not working properly due to a change upstream.
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Upstream added a check to ensure parent authority is encoded into the webview
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origin. Since our webview origin is the parent authority, we can bypass this
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check.
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Index: code-server/lib/vscode/src/vs/workbench/services/environment/browser/environmentService.ts
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===================================================================
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--- code-server.orig/lib/vscode/src/vs/workbench/services/environment/browser/environmentService.ts
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+++ code-server/lib/vscode/src/vs/workbench/services/environment/browser/environmentService.ts
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@@ -224,7 +224,7 @@ export class BrowserWorkbenchEnvironment
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@memoize
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get webviewExternalEndpoint(): string {
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- const endpoint = this.options.webviewEndpoint
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+ const endpoint = (this.options.webviewEndpoint && new URL(this.options.webviewEndpoint, window.location.toString()).toString())
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|| this.productService.webviewContentExternalBaseUrlTemplate
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|| 'https://{{uuid}}.vscode-cdn.net/{{quality}}/{{commit}}/out/vs/workbench/contrib/webview/browser/pre/';
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Index: code-server/lib/vscode/src/vs/server/node/webClientServer.ts
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===================================================================
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--- code-server.orig/lib/vscode/src/vs/server/node/webClientServer.ts
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+++ code-server/lib/vscode/src/vs/server/node/webClientServer.ts
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@@ -302,6 +302,7 @@ export class WebClientServer {
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const workbenchWebConfiguration = {
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remoteAuthority,
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+ webviewEndpoint: vscodeBase + this._staticRoute + '/out/vs/workbench/contrib/webview/browser/pre',
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_wrapWebWorkerExtHostInIframe,
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developmentOptions: { enableSmokeTestDriver: this._environmentService.args['enable-smoke-test-driver'] ? true : undefined, logLevel: this._logService.getLevel() },
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settingsSyncOptions: !this._environmentService.isBuilt && this._environmentService.args['enable-sync'] ? { enabled: true } : undefined,
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Index: code-server/lib/vscode/src/vs/workbench/contrib/webview/browser/pre/index.html
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===================================================================
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--- code-server.orig/lib/vscode/src/vs/workbench/contrib/webview/browser/pre/index.html
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+++ code-server/lib/vscode/src/vs/workbench/contrib/webview/browser/pre/index.html
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@@ -5,7 +5,7 @@
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<meta charset="UTF-8">
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<meta http-equiv="Content-Security-Policy"
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- content="default-src 'none'; script-src 'sha256-RaCvj6SRgHm+2C3LKzSAamDwa3Bp4u4iQ1Y2Sm+97tE=' 'self'; frame-src 'self'; style-src 'unsafe-inline';">
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+ content="default-src 'none'; script-src 'sha256-mi72idjvdhsPSBMKFqU82FG/kZVJjKR0TfHLE13gB+w=' 'self'; frame-src 'self'; style-src 'unsafe-inline';">
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<!-- Disable pinch zooming -->
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<meta name="viewport"
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@@ -325,6 +325,12 @@
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const hostname = location.hostname;
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+ // It is safe to run if we are on the same host.
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+ const parent = new URL(parentOrigin)
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+ if (parent.hostname === hostname) {
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+ return start(parentOrigin)
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+ }
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+
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if (!crypto.subtle) {
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// cannot validate, not running in a secure context
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throw new Error(`'crypto.subtle' is not available so webviews will not work. This is likely because the editor is not running in a secure context (https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts).`);
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Index: code-server/lib/vscode/src/vs/workbench/contrib/webview/browser/pre/index-no-csp.html
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===================================================================
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--- code-server.orig/lib/vscode/src/vs/workbench/contrib/webview/browser/pre/index-no-csp.html
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+++ code-server/lib/vscode/src/vs/workbench/contrib/webview/browser/pre/index-no-csp.html
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@@ -324,6 +324,12 @@
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const hostname = location.hostname;
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+ // It is safe to run if we are on the same host.
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+ const parent = new URL(parentOrigin)
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+ if (parent.hostname === hostname) {
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+ return start(parentOrigin)
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+ }
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+
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if (!crypto.subtle) {
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// cannot validate, not running in a secure context
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throw new Error(`'crypto.subtle' is not available so webviews will not work. This is likely because the editor is not running in a secure context (https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts).`);
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Index: code-server/lib/vscode/src/vs/workbench/services/extensions/worker/webWorkerExtensionHostIframe.html
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===================================================================
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--- code-server.orig/lib/vscode/src/vs/workbench/services/extensions/worker/webWorkerExtensionHostIframe.html
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+++ code-server/lib/vscode/src/vs/workbench/services/extensions/worker/webWorkerExtensionHostIframe.html
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@@ -4,7 +4,7 @@
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<meta http-equiv="Content-Security-Policy" content="
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default-src 'none';
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child-src 'self' data: blob:;
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- script-src 'self' 'unsafe-eval' 'sha256-/r7rqQ+yrxt57sxLuQ6AMYcy/lUpvAIzHjIJt/OeLWU=' https:;
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+ script-src 'self' 'unsafe-eval' 'sha256-TkIM/TmudlFEe0ZRp0ptvN54LClwk30Rql4ZPE0hm/I=' https:;
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connect-src 'self' https: wss: http://localhost:* http://127.0.0.1:* ws://localhost:* ws://127.0.0.1:*;"/>
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</head>
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<body>
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@@ -23,6 +23,13 @@
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// validation not requested
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return start();
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}
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+
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+ // It is safe to run if we are on the same host.
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+ const parent = new URL(parentOrigin)
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+ if (parent.hostname === hostname) {
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+ return start()
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+ }
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+
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if (!crypto.subtle) {
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// cannot validate, not running in a secure context
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return sendError(new Error(`Cannot validate in current context!`));
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