Function verifyAuth

apps/sim/lib/webhooks/providers/linq.ts:72–101

({
    request,
    rawBody,
    requestId,
    providerConfig,
  }: AuthContext)

export const linqHandler: WebhookProviderHandler = {
  async verifyAuth({
    request,
    rawBody,
    requestId,
    providerConfig,
  }: AuthContext): Promise<NextResponse | null> {
    const signingSecret = providerConfig.signingSecret as string | undefined
    if (!signingSecret?.trim()) {
      logger.warn(`[${requestId}] Linq webhook missing signing secret in provider configuration`)
      return new NextResponse('Unauthorized - Linq signing secret is required', { status: 401 })
    }

    const webhookId = request.headers.get('webhook-id')
    const webhookTimestamp = request.headers.get('webhook-timestamp')
    const webhookSignature = request.headers.get('webhook-signature')

    if (!webhookId || !webhookTimestamp || !webhookSignature) {
      logger.warn(`[${requestId}] Linq webhook missing Standard Webhooks signature headers`)
      return new NextResponse('Unauthorized - Missing Linq signature headers', { status: 401 })
    }

    if (
      !verifyLinqSignature(signingSecret, webhookId, webhookTimestamp, webhookSignature, rawBody)
    ) {
      logger.warn(`[${requestId}] Linq webhook signature verification failed`)
      return new NextResponse('Unauthorized - Invalid Linq signature', { status: 401 })
    }

    return null
  },

  matchEvent({ body, providerConfig, requestId }: EventMatchContext): boolean {
    const triggerId = providerConfig.triggerId as string | undefined