27 lines
891 B
TypeScript
27 lines
891 B
TypeScript
import "server-only"
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import { decrypt, encrypt } from "./encryption"
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export function calculateRefId(confirmationNumber: string, lastName: string) {
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const encryptedRefId = encrypt(`${confirmationNumber},${lastName}`)
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return encryptedRefId
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}
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export function parseRefId(refId: string) {
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// Some external systems that link to us do not encode the refId parameter
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// properly, so we reverse the decoding of plus sign into spaces.
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// Slash and equal sign are not decoded into anything, so no action needed.
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// We only need to cater for those three (plus, slash, equals) as RefId is
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// Base64 encoded which only has these three special characters.
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const data = decrypt(refId.replace(/ /g, "+"))
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const parts = data.split(",")
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if (parts.length !== 2) {
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throw new Error("Invalid refId format")
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}
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return {
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confirmationNumber: parts[0],
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lastName: parts[1],
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}
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}
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