From ed1e9faa2ddcd8dbaa82c8beab12b43ff34c67fa Mon Sep 17 00:00:00 2001
From: Avi Drissman <avi@chromium.org>
Date: Thu, 18 Jun 2026 21:06:32 -0700
Subject: [PATCH] Gate AppleScript "View Source" on permissions

Ensure that doing a View Source requires devtools permissions, even
when doing so via AppleScript.

Fixed: 521473427
Change-Id: Ib208b06941acf38410df4acc935902516a6a6964
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7959035
Reviewed-by: Bryan Oltman <bryanoltman@google.com>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1649486}
---

diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 425d7a1..d654c5f 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -15582,6 +15582,9 @@
         <message name="IDS_JAVASCRIPT_UNSUPPORTED_ERROR_APPLESCRIPT_MAC" desc="Error dialog title to be displayed when the user attempts to execute JavaScript via AppleScript. Mac-only.">
           Executing JavaScript through AppleScript is turned off. To turn it on, from the menu bar, go to View &gt; Developer &gt; Allow JavaScript from Apple Events. For more information: https://support.google.com/chrome/?p=applescript
         </message>
+        <message name="IDS_DEV_TOOLS_NOT_ALLOWED_APPLESCRIPT_MAC" desc="Error dialog title to be displayed when DevTools are not allowed. Mac-only.">
+                DevTools are not allowed for this URL.
+        </message>
       </if> <!-- is_macosx -->
 
 
diff --git a/chrome/app/generated_resources_grd/IDS_DEV_TOOLS_NOT_ALLOWED_APPLESCRIPT_MAC.png.sha1 b/chrome/app/generated_resources_grd/IDS_DEV_TOOLS_NOT_ALLOWED_APPLESCRIPT_MAC.png.sha1
new file mode 100644
index 0000000..09605cf
--- /dev/null
+++ b/chrome/app/generated_resources_grd/IDS_DEV_TOOLS_NOT_ALLOWED_APPLESCRIPT_MAC.png.sha1
@@ -0,0 +1 @@
+d4b29872ebb32cc09e2b46449da6e0309989e645
\ No newline at end of file
diff --git a/chrome/browser/ui/cocoa/BUILD.gn b/chrome/browser/ui/cocoa/BUILD.gn
index c7a9f5c..470317a 100644
--- a/chrome/browser/ui/cocoa/BUILD.gn
+++ b/chrome/browser/ui/cocoa/BUILD.gn
@@ -113,24 +113,9 @@
     "window_size_autosaver.mm",
   ]
 
-  deps = [
-    "//chrome/browser/ui:recently_audible_helper",
-    "//chrome/browser/ui:simple_message_box_internal",
-  ]
-
-  if (enable_updater) {
-    public += [ "keystone_infobar_delegate.h" ]
-    sources += [ "keystone_infobar_delegate.cc" ]
-    deps += [
-      "//chrome/browser/infobars",
-      "//chrome/browser/updater",
-      "//components/infobars/content",
-    ]
-  }
-
   public_deps = [ "//chrome/browser:browser_public_dependencies" ]
 
-  deps += [
+  deps = [
     "//chrome/app:command_ids",
     "//chrome/app/theme:chrome_unscaled_resources_grit",
     "//chrome/browser:app_controller_mac",
@@ -142,6 +127,7 @@
     "//chrome/browser:primitives",
     "//chrome/browser/apps/platform_apps",
     "//chrome/browser/bookmarks",
+    "//chrome/browser/devtools",
     "//chrome/browser/favicon",
     "//chrome/browser/feedback:feedback_impl",
     "//chrome/browser/headless",
@@ -151,17 +137,19 @@
     "//chrome/browser/notifications",
     "//chrome/browser/prefs",
     "//chrome/browser/printing",
-    "//chrome/browser/profiles",
     "//chrome/browser/profiles:misc",
     "//chrome/browser/profiles:profile_manager",
     "//chrome/browser/profiles:profile_util",
+    "//chrome/browser/profiles",
     "//chrome/browser/profiles/keep_alive",
     "//chrome/browser/search_engines",
     "//chrome/browser/spellchecker",
     "//chrome/browser/status_icons",
     "//chrome/browser/themes",
     "//chrome/browser/ui:accelerator_utils_headers",
+    "//chrome/browser/ui:recently_audible_helper",
     "//chrome/browser/ui:simple_message_box_headers",
+    "//chrome/browser/ui:simple_message_box_internal",
     "//chrome/browser/ui:ui_features",
     "//chrome/browser/ui/autofill",
     "//chrome/browser/ui/bookmarks",
@@ -199,4 +187,14 @@
     "//ui/snapshot",
     "//ui/views",
   ]
+
+  if (enable_updater) {
+    public += [ "keystone_infobar_delegate.h" ]
+    sources += [ "keystone_infobar_delegate.cc" ]
+    deps += [
+      "//chrome/browser/infobars",
+      "//chrome/browser/updater",
+      "//components/infobars/content",
+    ]
+  }
 }
diff --git a/chrome/browser/ui/cocoa/applescript/error_applescript.h b/chrome/browser/ui/cocoa/applescript/error_applescript.h
index 5e2818409..57cdf51 100644
--- a/chrome/browser/ui/cocoa/applescript/error_applescript.h
+++ b/chrome/browser/ui/cocoa/applescript/error_applescript.h
@@ -31,7 +31,9 @@
   // Error when index of browser window is out of bounds.
   kWrongIndex,
   // Error when JavaScript execution is disabled.
-  kJavaScriptUnsupported
+  kJavaScriptUnsupported,
+  // Error when DevTools usage is disabled.
+  kDevToolsUnsupported,
 };
 
 // This function sets an error message to the currently executing command.
diff --git a/chrome/browser/ui/cocoa/applescript/error_applescript.mm b/chrome/browser/ui/cocoa/applescript/error_applescript.mm
index fb155ff..0d4ab50 100644
--- a/chrome/browser/ui/cocoa/applescript/error_applescript.mm
+++ b/chrome/browser/ui/cocoa/applescript/error_applescript.mm
@@ -6,6 +6,8 @@
 
 #import <Foundation/Foundation.h>
 
+#include <utility>
+
 #include "base/notreached.h"
 #include "chrome/grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util_mac.h"
@@ -14,7 +16,7 @@
 
 void SetError(Error error_code) {
   NSScriptCommand* current_command = [NSScriptCommand currentCommand];
-  current_command.scriptErrorNumber = static_cast<int>(error_code);
+  current_command.scriptErrorNumber = std::to_underlying(error_code);
 
   NSString* error_string = @"";
   switch (error_code) {
@@ -64,8 +66,10 @@
       error_string = l10n_util::GetNSString(
           IDS_JAVASCRIPT_UNSUPPORTED_ERROR_APPLESCRIPT_MAC);
       break;
-    default:
-      NOTREACHED();
+    case Error::kDevToolsUnsupported:
+      error_string =
+          l10n_util::GetNSString(IDS_DEV_TOOLS_NOT_ALLOWED_APPLESCRIPT_MAC);
+      break;
   }
   current_command.scriptErrorString = error_string;
 }
diff --git a/chrome/browser/ui/cocoa/applescript/tab_applescript.mm b/chrome/browser/ui/cocoa/applescript/tab_applescript.mm
index 9c8a7fea..7389f3cd7 100644
--- a/chrome/browser/ui/cocoa/applescript/tab_applescript.mm
+++ b/chrome/browser/ui/cocoa/applescript/tab_applescript.mm
@@ -11,6 +11,8 @@
 #include "base/memory/weak_ptr.h"
 #include "base/notreached.h"
 #include "base/strings/sys_string_conversions.h"
+#include "chrome/browser/devtools/devtools_window.h"
+#include "chrome/browser/devtools/features.h"
 #include "chrome/browser/printing/print_view_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/cocoa/applescript/apple_event_util.h"
@@ -60,7 +62,9 @@
 //   make new tab with properties {URL:"http://google.com"}
 @property(nonatomic, copy) NSString* tempURL;
 
-- (bool)isJavaScriptEnabled;
+@property(readonly) Profile* profile;
+
+@property(readonly, getter=isJavaScriptEnabled) BOOL javaScriptEnabled;
 
 @end
 
@@ -77,13 +81,16 @@
 
 @synthesize tempURL = _tempURL;
 
-- (bool)isJavaScriptEnabled {
+- (Profile*)profile {
+  return Profile::FromBrowserContext(_webContents->GetBrowserContext());
+}
+
+- (BOOL)isJavaScriptEnabled {
   if (!_webContents) {
     return false;
   }