feat: app.enableSandbox()

atom/browser/api/atom_api_app.cc

@@ -1184,23 +1184,10 @@ v8::Local<v8::Promise> App::GetGPUInfo(v8::Isolate* isolate,
   return promise->GetHandle();
 }
 
-void App::EnableMixedSandbox(mate::Arguments* args) {
-  if (Browser::Get()->is_ready()) {
-    args->ThrowError(
-        "app.enableMixedSandbox() can only be called "
-        "before app is ready");
-    return;
-  }
-
-  auto* command_line = base::CommandLine::ForCurrentProcess();
+static void RemoveNoSandboxSwitch(base::CommandLine* command_line) {
   if (command_line->HasSwitch(service_manager::switches::kNoSandbox)) {
-#if defined(OS_WIN)
-    const base::CommandLine::CharType* noSandboxArg = L"--no-sandbox";
-#else
-    const base::CommandLine::CharType* noSandboxArg = "--no-sandbox";
-#endif
-
-    // Remove the --no-sandbox switch
+    const base::CommandLine::CharType* noSandboxArg =
+        FILE_PATH_LITERAL("--no-sandbox");
     base::CommandLine::StringVector modified_command_line;
     for (auto& arg : command_line->argv()) {
       if (arg.compare(noSandboxArg) != 0) {
@@ -1209,6 +1196,31 @@ void App::EnableMixedSandbox(mate::Arguments* args) {
     }
     command_line->InitFromArgv(modified_command_line);
   }
+}
+
+void App::EnableSandbox(mate::Arguments* args) {
+  if (Browser::Get()->is_ready()) {
+    args->ThrowError(
+        "app.enableSandbox() can only be called "
+        "before app is ready");
+    return;
+  }
+
+  auto* command_line = base::CommandLine::ForCurrentProcess();
+  RemoveNoSandboxSwitch(command_line);
+  command_line->AppendSwitch(switches::kEnableSandbox);
+}
+
+void App::EnableMixedSandbox(mate::Arguments* args) {
+  if (Browser::Get()->is_ready()) {
+    args->ThrowError(
+        "app.enableMixedSandbox() can only be called "
+        "before app is ready");
+    return;
+  }
+
+  auto* command_line = base::CommandLine::ForCurrentProcess();
+  RemoveNoSandboxSwitch(command_line);
   command_line->AppendSwitch(switches::kEnableMixedSandbox);
 }
 
@@ -1316,6 +1328,7 @@ void App::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("startAccessingSecurityScopedResource",
                  &App::StartAccessingSecurityScopedResource)
 #endif
+      .SetMethod("enableSandbox", &App::EnableSandbox)
       .SetMethod("enableMixedSandbox", &App::EnableMixedSandbox);
 }
 

atom/browser/api/atom_api_app.h

@@ -203,6 +203,7 @@ class App : public AtomBrowserClient::Delegate,
   v8::Local<v8::Value> GetGPUFeatureStatus(v8::Isolate* isolate);
   v8::Local<v8::Promise> GetGPUInfo(v8::Isolate* isolate,
                                     const std::string& info_type);
+  void EnableSandbox(mate::Arguments* args);
   void EnableMixedSandbox(mate::Arguments* args);
 
 #if defined(OS_MACOSX)

docs/api/app.md

@@ -1089,6 +1089,12 @@ correctly.
 
 **Note:** This will not affect `process.argv`.
 
+### `app.enableSandbox()` _Experimental_ _macOS_ _Windows_
+
+Enables full sandbox mode on the app.
+
+This method can only be called before app is ready.
+
 ### `app.enableMixedSandbox()` _Experimental_ _macOS_ _Windows_
 
 Enables mixed sandbox mode on the app.

spec/api-app-spec.js

@@ -871,7 +871,7 @@ describe('app module', () => {
     })
   })
 
-  describe('mixed sandbox option', () => {
+  describe('sandbox options', () => {
     let appProcess = null
     let server = null
     const socketPath = process.platform === 'win32' ? '\\\\.\\pipe\\electron-mixed-sandbox' : '/tmp/electron-mixed-sandbox'
@@ -903,10 +903,60 @@ describe('app module', () => {
       })
     })
 
+    describe('when app.enableSandbox() is called', () => {
+      it('adds --enable-sandbox to all render processes', done => {
+        const appPath = path.join(__dirname, 'fixtures', 'api', 'mixed-sandbox-app')
+        appProcess = ChildProcess.spawn(remote.process.execPath, [appPath, '--app-enable-sandbox'])
+
+        server.once('error', error => { done(error) })
+
+        server.on('connection', client => {
+          client.once('data', data => {
+            const argv = JSON.parse(data)
+            expect(argv.sandbox).to.include('--enable-sandbox')
+            expect(argv.sandbox).to.not.include('--no-sandbox')
+
+            expect(argv.noSandbox).to.include('--enable-sandbox')
+            expect(argv.noSandbox).to.not.include('--no-sandbox')
+
+            expect(argv.noSandboxDevtools).to.be.true()
+            expect(argv.sandboxDevtools).to.be.true()
+
+            done()
+          })
+        })
+      })
+    })
+
+    describe('when the app is launched with --enable-sandbox', () => {
+      it('adds --enable-sandbox to all render processes', done => {
+        const appPath = path.join(__dirname, 'fixtures', 'api', 'mixed-sandbox-app')
+        appProcess = ChildProcess.spawn(remote.process.execPath, [appPath, '--enable-sandbox'])
+
+        server.once('error', error => { done(error) })
+
+        server.on('connection', client => {
+          client.once('data', data => {
+            const argv = JSON.parse(data)
+            expect(argv.sandbox).to.include('--enable-sandbox')
+            expect(argv.sandbox).to.not.include('--no-sandbox')
+
+            expect(argv.noSandbox).to.include('--enable-sandbox')
+            expect(argv.noSandbox).to.not.include('--no-sandbox')
+
+            expect(argv.noSandboxDevtools).to.be.true()
+            expect(argv.sandboxDevtools).to.be.true()
+
+            done()
+          })
+        })
+      })
+    })
+
     describe('when app.enableMixedSandbox() is called', () => {
       it('adds --enable-sandbox to render processes created with sandbox: true', done => {
         const appPath = path.join(__dirname, 'fixtures', 'api', 'mixed-sandbox-app')
-        appProcess = ChildProcess.spawn(remote.process.execPath, [appPath])
+        appProcess = ChildProcess.spawn(remote.process.execPath, [appPath, '--app-enable-mixed-sandbox'])
 
         server.once('error', error => { done(error) })
 
@@ -919,6 +969,9 @@ describe('app module', () => {
             expect(argv.noSandbox).to.not.include('--enable-sandbox')
             expect(argv.noSandbox).to.include('--no-sandbox')
 
+            expect(argv.noSandboxDevtools).to.be.true()
+            expect(argv.sandboxDevtools).to.be.true()
+
             done()
           })
         })

spec/fixtures/api/mixed-sandbox-app/main.js

@@ -6,7 +6,11 @@ process.on('uncaughtException', () => {
   app.exit(1)
 })
 
-if (!process.argv.includes('--enable-mixed-sandbox')) {
+if (process.argv.includes('--app-enable-sandbox')) {
+  app.enableSandbox()
+}
+
+if (process.argv.includes('--app-enable-mixed-sandbox')) {
   app.enableMixedSandbox()
 }