38 lines
910 B
TypeScript
38 lines
910 B
TypeScript
const ENCRYPTION_KEY_NAME = 'encryption_key';
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function isBrowser(): boolean {
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return typeof window !== 'undefined';
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}
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export function storeKey(key: string, persistent: boolean): void {
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if (!isBrowser()) return;
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if (persistent) {
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localStorage.setItem(ENCRYPTION_KEY_NAME, key);
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} else {
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sessionStorage.setItem(ENCRYPTION_KEY_NAME, key);
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}
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}
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export function getStoredKey(): string | null {
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if (!isBrowser()) return null;
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return (
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sessionStorage.getItem(ENCRYPTION_KEY_NAME) ||
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localStorage.getItem(ENCRYPTION_KEY_NAME)
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);
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}
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export function clearKey(): void {
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if (!isBrowser()) return;
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sessionStorage.removeItem(ENCRYPTION_KEY_NAME);
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localStorage.removeItem(ENCRYPTION_KEY_NAME);
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}
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export function isKeyPersistent(): boolean {
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if (!isBrowser()) return false;
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return localStorage.getItem(ENCRYPTION_KEY_NAME) !== null;
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}
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