shellphone.app/app/messages/api/webhook/incoming-message.ts
2021-08-12 21:52:52 +08:00

119 lines
3.2 KiB
TypeScript

import type { BlitzApiRequest, BlitzApiResponse } from "blitz";
import { getConfig } from "blitz";
import twilio from "twilio";
import type { ApiError } from "../../../_types";
import appLogger from "../../../../integrations/logger";
import db from "../../../../db";
import insertIncomingMessageQueue from "../queue/insert-incoming-message";
const logger = appLogger.child({ route: "/api/webhook/incoming-message" });
const { serverRuntimeConfig } = getConfig();
export default async function incomingMessageHandler(req: BlitzApiRequest, res: BlitzApiResponse) {
if (req.method !== "POST") {
const statusCode = 405;
const apiError: ApiError = {
statusCode,
errorMessage: `Method ${req.method} Not Allowed`,
};
logger.error(apiError);
res.setHeader("Allow", ["POST"]);
res.status(statusCode).send(apiError);
return;
}
const twilioSignature = req.headers["X-Twilio-Signature"] || req.headers["x-twilio-signature"];
if (!twilioSignature || Array.isArray(twilioSignature)) {
const statusCode = 400;
const apiError: ApiError = {
statusCode,
errorMessage: "Invalid header X-Twilio-Signature",
};
logger.error(apiError);
res.status(statusCode).send(apiError);
return;
}
const body: Body = req.body;
try {
const phoneNumbers = await db.phoneNumber.findMany({
where: { number: body.To },
include: { organization: true },
});
if (phoneNumbers.length === 0) {
// phone number is not registered by any organization
res.status(500).end();
return;
}
const url = `https://${serverRuntimeConfig.app.baseUrl}/api/webhook/incoming-message`;
const phoneNumber = phoneNumbers.find((phoneNumber) => {
// if multiple organizations have the same number
// find the organization currently using that phone number
// maybe we shouldn't let multiple organizations use the same phone number
const authToken = phoneNumber.organization.twilioAuthToken ?? "";
return twilio.validateRequest(authToken, twilioSignature, url, req.body);
});
if (!phoneNumber) {
const statusCode = 400;
const apiError: ApiError = {
statusCode,
errorMessage: "Invalid webhook",
};
logger.error(apiError);
res.status(statusCode).send(apiError);
return;
}
const messageSid = body.MessageSid;
const organizationId = phoneNumber.organization.id;
const phoneNumberId = phoneNumber.id;
await insertIncomingMessageQueue.enqueue(
{
messageSid,
organizationId,
phoneNumberId,
},
{ id: `insert-${messageSid}-${organizationId}-${phoneNumberId}` },
);
res.setHeader("content-type", "text/html");
res.status(200).send("<Response></Response>");
} catch (error) {
const statusCode = error.statusCode ?? 500;
const apiError: ApiError = {
statusCode,
errorMessage: error.message,
};
logger.error(error);
res.status(statusCode).send(apiError);
}
}
type Body = {
ToCountry: string;
ToState: string;
SmsMessageSid: string;
NumMedia: string;
ToCity: string;
FromZip: string;
SmsSid: string;
FromState: string;
SmsStatus: string;
FromCity: string;
Body: string;
FromCountry: string;
To: string;
ToZip: string;
NumSegments: string;
MessageSid: string;
AccountSid: string;
From: string;
ApiVersion: string;
};