30 lines
958 B
TypeScript
30 lines
958 B
TypeScript
import crypto from "crypto";
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import env from "@server/env";
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/**
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* Helper class for working with subscription settings
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*/
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export default class SubscriptionHelper {
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/**
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* Get the unsubscribe URL for a user and document. This url allows the user
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* to unsubscribe from a specific document without being signed in, for one-click
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* links in emails.
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*
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* @param userId The user ID to unsubscribe
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* @param documentId The document ID to unsubscribe from
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* @returns The unsubscribe URL
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*/
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public static unsubscribeUrl(userId: string, documentId: string) {
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return `${env.URL}/api/subscriptions.delete?token=${this.unsubscribeToken(
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userId,
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documentId
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)}&userId=${userId}&documentId=${documentId}`;
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}
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public static unsubscribeToken(userId: string, documentId: string) {
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const hash = crypto.createHash("sha256");
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hash.update(`${userId}-${env.SECRET_KEY}-${documentId}`);
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return hash.digest("hex");
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}
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}
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