mirror of
https://github.com/jcreek/LivingDexTracker.git
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Josh Creek
16 lines
416 B
TypeScript
16 lines
416 B
TypeScript
const LOOPBACK_HOSTS = new Set(['127.0.0.1', 'localhost', '[::1]']);
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export function isLoopbackUrl(value: string): boolean {
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try {
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return LOOPBACK_HOSTS.has(new URL(value).hostname);
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} catch {
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return false;
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}
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}
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export function requireLoopbackUrl(value: string, label: string): string {
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if (!isLoopbackUrl(value))
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throw new Error(`Refusing to send credentials to non-loopback ${label}`);
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return value;
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}
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