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fix(windows): normalize namespaced path containment checks

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This commit is contained in:
Shakker
2026-02-26 18:49:26 +00:00
parent dc6e4a5b13
commit f7041fbee3
6 changed files with 45 additions and 13 deletions
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15
src/infra/path-guards.ts
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@@ -3,6 +3,17 @@ import path from "node:path";
const NOT_FOUND_CODES = new Set(["ENOENT", "ENOTDIR"]);
const SYMLINK_OPEN_CODES = new Set(["ELOOP", "EINVAL", "ENOTSUP"]);
function normalizeWindowsPathForComparison(input: string): string {
let normalized = path.win32.normalize(input);
if (normalized.startsWith("\\\\?\\")) {
normalized = normalized.slice(4);
if (normalized.toUpperCase().startsWith("UNC\\")) {
normalized = `\\\\${normalized.slice(4)}`;
}
}
return normalized.replaceAll("/", "\\").toLowerCase();
}
export function isNodeError(value: unknown): value is NodeJS.ErrnoException {
return Boolean(
value && typeof value === "object" && "code" in (value as Record<string, unknown>),
@@ -26,7 +37,9 @@ export function isPathInside(root: string, target: string): boolean {
const resolvedTarget = path.resolve(target);
if (process.platform === "win32") {
const relative = path.win32.relative(resolvedRoot.toLowerCase(), resolvedTarget.toLowerCase());
const rootForCompare = normalizeWindowsPathForComparison(resolvedRoot);
const targetForCompare = normalizeWindowsPathForComparison(resolvedTarget);
const relative = path.win32.relative(rootForCompare, targetForCompare);
return relative === "" || (!relative.startsWith("..") && !path.win32.isAbsolute(relative));
}