31 lines
1.2 KiB
Rust
31 lines
1.2 KiB
Rust
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use std::path::{Path, PathBuf};
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/// Validates that a path exists and is a readable directory.
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/// Returns the canonicalized path if validation succeeds.
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pub async fn validate_and_normalize_path(path: &Path) -> Result<PathBuf, String> {
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// Use tokio::fs for async file operations
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let metadata = tokio::fs::metadata(path).await.map_err(|e| {
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if e.kind() == std::io::ErrorKind::NotFound {
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format!("Path '{}' does not exist", path.display())
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} else {
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format!("Cannot access '{}': {}", path.display(), e)
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}
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})?;
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if !metadata.is_dir() {
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return Err(format!("Path '{}' is not a directory", path.display()));
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}
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// Check if we can read the directory
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let _ = tokio::fs::read_dir(path)
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.await
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.map_err(|e| format!("Cannot access directory '{}': {}", path.display(), e))?;
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// canonicalize is sync-only, use spawn_blocking
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let path_owned = path.to_path_buf();
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tokio::task::spawn_blocking(move || path_owned.canonicalize())
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.await
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.map_err(|e| format!("Task failed: {}", e))?
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.map_err(|e| format!("Failed to normalize path '{}': {}", path.display(), e))
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}
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