first pass of merging in warp (doesn't build)

app/src/platform/mac/objc/app_bundle.h

@@ -1,3 +0,0 @@
-#import <AppKit/AppKit.h>
-
-NSString *get_default_app_bundle_for_file(id);

app/src/platform/mac/objc/app_bundle.m

@@ -1,15 +0,0 @@
-#import <AppKit/AppKit.h>
-
-NSString *get_default_app_bundle_for_file(NSString *file_path) {
-    NSURL *fileUrl = [NSURL fileURLWithPath:file_path];
-    NSURL *appUrl = [[NSWorkspace sharedWorkspace] URLForApplicationToOpenURL:fileUrl];
-    if (!appUrl) {
-        return nil;
-    }
-
-    NSBundle *appBundle = [NSBundle bundleWithURL:appUrl];
-    if (!appBundle) {
-        return nil;
-    }
-    return [appBundle bundleIdentifier];
-}

app/src/platform/mod.rs

@@ -1,5 +1,7 @@
 #[cfg(target_family = "wasm")]
 pub mod wasm;
+#[cfg(windows)]
+pub mod windows;
 
 pub fn init() {
     #[cfg(target_family = "wasm")]

app/src/platform/wasm.rs

@@ -1,9 +1,8 @@
 use js_sys::ReferenceError;
 use thiserror::Error;
+pub use galaxy_web_event_bus::{emit_event, WarpEvent};
 use wasm_bindgen::{JsCast, JsValue};
 
-pub use galaxy_web_event_bus::{emit_event, GalaxyEvent};
-
 /// This function should be called early in application initialization to ensure that
 /// static variables are initialized.
 pub(super) fn init() {

app/src/platform/windows.rs

@@ -0,0 +1,31 @@
+use windows::Win32::System::Threading;
+
+#[repr(C)]
+#[derive(Default)]
+struct RedirectionTrustPolicy {
+    flags: u32,
+}
+
+/// Warn if the Windows RedirectionGuard process mitigation policy is enforced on this process. When
+/// active, symlink and junction traversal to paths created by non-admin users fails with
+/// ERROR_UNTRUSTED_MOUNT_POINT (448).
+///
+/// See https://github.com/warpdotdev/warp/issues/9044
+pub fn check_redirection_guard() {
+    let mut policy = RedirectionTrustPolicy::default();
+    let ok = unsafe {
+        Threading::GetProcessMitigationPolicy(
+            Threading::GetCurrentProcess(),
+            Threading::ProcessRedirectionTrustPolicy,
+            &mut policy as *mut _ as *mut std::ffi::c_void,
+            std::mem::size_of::<RedirectionTrustPolicy>(),
+        )
+    };
+
+    if ok.is_ok() && policy.flags & 1 != 0 {
+        log::warn!(
+            "RedirectionGuard is enforced on this process — symlink/junction traversal to paths \
+            created by non-admin users will fail with error 448."
+        );
+    }
+}