20 lines
734 B
TypeScript
20 lines
734 B
TypeScript
import path from "node:path";
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export function isPathWithinBase(base: string, target: string): boolean {
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if (process.platform === "win32") {
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const normalizedBase = path.win32.normalize(path.win32.resolve(base));
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const normalizedTarget = path.win32.normalize(path.win32.resolve(target));
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const rel = path.win32.relative(
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normalizedBase.toLowerCase(),
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normalizedTarget.toLowerCase(),
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);
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return rel === "" || (!rel.startsWith("..") && !path.win32.isAbsolute(rel));
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}
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const normalizedBase = path.resolve(base);
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const normalizedTarget = path.resolve(target);
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const rel = path.relative(normalizedBase, normalizedTarget);
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return rel === "" || (!rel.startsWith("..") && !path.isAbsolute(rel));
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}
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