55 lines
1.5 KiB
TypeScript
55 lines
1.5 KiB
TypeScript
import "server-only"
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import crypto from "crypto"
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import { env } from "@/env/server"
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export { decrypt, encrypt }
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const algorithm = "DES-ECB"
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const encryptionKey = env.BOOKING_ENCRYPTION_KEY
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const bufferKey = Buffer.from(encryptionKey, "utf8")
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function encrypt(originalString: string) {
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try {
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const cipher = crypto.createCipheriv(algorithm, bufferKey, null)
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cipher.setAutoPadding(false)
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const bufferString = Buffer.from(originalString, "utf8")
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const paddingSize =
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bufferKey.length - (bufferString.length % bufferKey.length)
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const paddedStr = Buffer.concat([
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bufferString,
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Buffer.alloc(paddingSize, 0),
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])
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const buffers: Buffer[] = []
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buffers.push(cipher.update(paddedStr))
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buffers.push(cipher.final())
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const result = Buffer.concat(buffers).toString("base64").replace(/\+/g, "-")
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return result
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} catch (e) {
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console.log(e)
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return ""
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}
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}
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function decrypt(encryptedString: string) {
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try {
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const decipher = crypto.createDecipheriv(algorithm, bufferKey, null)
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decipher.setAutoPadding(false)
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const buffers: Buffer[] = []
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buffers.push(decipher.update(encryptedString, "base64"))
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buffers.push(decipher.final())
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const result = Buffer.concat(buffers)
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.toString("utf8")
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/*
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* Hexadecimal byte (null byte) replace. These occur when decrypting because
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* we're disabling the auto padding for historical/compatibility reasons.
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*/
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.replace(/(\x00)*/g, "")
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return result
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} catch (e) {
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console.log(e)
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return ""
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}
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}
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