Merge nucleic/sleek-thistle-egret-fyej into dev

brush-core/src/sys/windows/users.rs

@@ -0,0 +1,86 @@
+#![allow(clippy::missing_const_for_fn)]
+#![allow(clippy::unnecessary_wraps)]
+
+use crate::error;
+use std::path::PathBuf;
+use std::sync::LazyLock;
+
+/// Placeholder UID for non-elevated Windows processes.
+///
+/// Real Unix-style UIDs don't exist on Windows; this value is a
+/// conventional non-root sentinel (matching the typical first
+/// regular-user UID on Linux).
+const NON_ELEVATED_UID: u32 = 1000;
+
+/// Placeholder GID for non-elevated Windows processes (see [`NON_ELEVATED_UID`]).
+const NON_ELEVATED_GID: u32 = 1000;
+
+/// Cached elevation status. The underlying check queries the process token,
+/// which can't change after process start, so it's safe to memoize.
+static IS_ELEVATED: LazyLock<bool> = LazyLock::new(|| {
+    check_elevation::is_elevated().unwrap_or_else(|err| {
+        tracing::warn!("failed to determine process elevation: {err}");
+        false
+    })
+});
+
+pub(crate) fn get_user_home_dir(_username: &str) -> Option<PathBuf> {
+    // std::env::home_dir() doesn't support getting home dir for arbitrary users
+    // For now, we only support getting the current user's home dir
+    None
+}
+
+pub(crate) fn get_current_user_home_dir() -> Option<PathBuf> {
+    std::env::home_dir()
+}
+
+pub(crate) fn get_current_user_default_shell() -> Option<PathBuf> {
+    None
+}
+
+fn is_elevated() -> bool {
+    *IS_ELEVATED
+}
+
+pub(crate) fn is_root() -> bool {
+    is_elevated()
+}
+
+pub(crate) fn get_current_uid() -> Result<u32, error::Error> {
+    Ok(if is_elevated() { 0 } else { NON_ELEVATED_UID })
+}
+
+pub(crate) fn get_current_gid() -> Result<u32, error::Error> {
+    Ok(if is_elevated() { 0 } else { NON_ELEVATED_GID })
+}
+
+pub(crate) fn get_effective_uid() -> Result<u32, error::Error> {
+    Ok(if is_elevated() { 0 } else { NON_ELEVATED_UID })
+}
+
+pub(crate) fn get_effective_gid() -> Result<u32, error::Error> {
+    Ok(if is_elevated() { 0 } else { NON_ELEVATED_GID })
+}
+
+pub(crate) fn get_current_username() -> Result<String, error::Error> {
+    let username = whoami::username().map_err(std::io::Error::from)?;
+    Ok(username)
+}
+
+#[allow(clippy::unnecessary_wraps)]
+pub(crate) fn get_user_group_ids() -> Result<Vec<u32>, error::Error> {
+    // TODO(windows): implement some version of this for Windows
+    Ok(vec![])
+}
+
+#[expect(clippy::unnecessary_wraps)]
+pub(crate) fn get_all_users() -> Result<Vec<String>, error::Error> {
+    // TODO(windows): implement some version of this for Windows
+    Ok(vec![])
+}
+
+#[expect(clippy::unnecessary_wraps)]
+pub(crate) fn get_all_groups() -> Result<Vec<String>, error::Error> {
+    // TODO(windows): implement some version of this for Windows
+    Ok(vec![])
+}