fix(core): manually simplify patterns for fs scope (tauri-apps#11730)

closes tauri-apps#11614

Remove UNC manually, instead of `dunce::simplified` because `path` could have `*` in it and that's not allowed on Windows and `dunce::simplified` will check that and return `path` as is without simplification resulting in a missing pattern in scope

for the scope pattern `\\?\C:\path\to\dir\**`, we expect the scope to have:
- `\\?\C:\path\to\dir\**`
- `C:\path\to\dir\**`

but if we use `dunce::simplified`, it will see `**` as invalid path component on Windows and will not simplify the path resulting in a scope that only has `\\?\C:\path\to\dir\**`

crates/tauri/src/manager/mod.rs

@@ -376,7 +376,7 @@ impl<R: Runtime> AppManager<R> {
   pub fn get_asset(
     &self,
     mut path: String,
-    use_https_schema: bool,
+    _use_https_schema: bool,
   ) -> Result<Asset, Box<dyn std::error::Error>> {
     let assets = &self.assets;
     if path.ends_with('/') {
@@ -440,7 +440,10 @@ impl<R: Runtime> AppManager<R> {
               let default_src = csp_map
                 .entry("default-src".into())
                 .or_insert_with(Default::default);
-              default_src.push(crate::pattern::format_real_schema(schema, use_https_schema));
+              default_src.push(crate::pattern::format_real_schema(
+                schema,
+                _use_https_schema,
+              ));
             }
 
             csp_header.replace(Csp::DirectiveMap(csp_map).to_string());

crates/tauri/src/menu/mod.rs

@@ -99,7 +99,7 @@ macro_rules! gen_wrappers {
           // SAFETY: inner was created on main thread and is being dropped on main thread
           let inner = $crate::UnsafeSend(inner);
           let _ = self.app_handle.run_on_main_thread(move || {
-            drop(inner);
+            drop(inner.take());
           });
         }
       }

crates/tauri/src/scope/fs.rs

@@ -92,10 +92,27 @@ fn push_pattern<P: AsRef<Path>, F: Fn(&str) -> Result<Pattern, glob::PatternErro
   //   - `C:\\SomeDir`
   #[cfg(windows)]
   {
-    use std::path::Component;
+    use std::path::{Component, Path, Prefix};
+
+    let mut components = path.components();
+
+    let is_unc = match components.next() {
+      Some(Component::Prefix(p)) => match p.kind() {
+        Prefix::VerbatimDisk(..) => true,
+        _ => false, // Other kinds of UNC paths
+      },
+      _ => false, // relative or empty
+    };
+
+    if is_unc {
+      // we remove UNC manually, instead of `dunce::simplified` because
+      // `path` could have `*` in it and that's not allowed on Windows and
+      // `dunce::simplified` will check that and return `path` as is without simplification
+      let simplified = path
+        .to_str()
+        .and_then(|s| s.get(4..))
+        .map_or(path.as_path(), Path::new);
 
-    if matches!(path.components().next(), Some(Component::Prefix(_))) {
-      let simplified = dunce::simplified(&path);
       let simplified_str = simplified.to_string_lossy();
       if simplified_str != path_str {
         list.insert(f(&simplified_str)?);
@@ -356,6 +373,7 @@ impl Scope {
           .unwrap()
           .iter()
           .any(|p| p.matches_path_with(&path, self.match_options));
+
         allowed
       }
     } else {
@@ -382,7 +400,11 @@ fn escaped_pattern_with(p: &str, append: &str) -> Result<Pattern, glob::PatternE
 
 #[cfg(test)]
 mod tests {
-  use super::Scope;
+  use std::collections::HashSet;
+
+  use glob::Pattern;
+
+  use super::{push_pattern, Scope};
 
   fn new_scope() -> Scope {
     Scope {
@@ -600,4 +622,37 @@ mod tests {
       assert!(!scope.is_allowed("Q:Cargo.toml"));
     }
   }
+
+  #[test]
+  fn push_pattern_generated_paths() {
+    macro_rules! assert_pattern {
+      ($patterns:ident, $pattern:literal) => {
+        assert!($patterns.contains(&Pattern::new($pattern).unwrap()))
+      };
+    }
+
+    let mut patterns = HashSet::new();
+
+    #[cfg(not(windows))]
+    {
+      push_pattern(&mut patterns, "/path/to/dir/", Pattern::new).expect("failed to push pattern");
+      push_pattern(&mut patterns, "/path/to/dir/**", Pattern::new).expect("failed to push pattern");
+
+      assert_pattern!(patterns, "/path/to/dir");
+      assert_pattern!(patterns, "/path/to/dir/**");
+    }
+
+    #[cfg(windows)]
+    {
+      push_pattern(&mut patterns, "C:\\path\\to\\dir", Pattern::new)
+        .expect("failed to push pattern");
+      push_pattern(&mut patterns, "C:\\path\\to\\dir\\**", Pattern::new)
+        .expect("failed to push pattern");
+
+      assert_pattern!(patterns, "C:\\path\\to\\dir");
+      assert_pattern!(patterns, "C:\\path\\to\\dir\\**");
+      assert_pattern!(patterns, "\\\\?\\C:\\path\\to\\dir");
+      assert_pattern!(patterns, "\\\\?\\C:\\path\\to\\dir\\**");
+    }
+  }
 }