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Switch to using @farcaster/frame-node for webhook parsing & validation

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This commit is contained in:
Christian Mladenov
2024-12-12 11:23:51 -08:00
committed by lucas-neynar
parent 8acf07b03e
commit 8edbb2514a
5 changed files with 53 additions and 135 deletions
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63
src/app/api/webhook/route.ts
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@@ -1,6 +1,9 @@
import { eventPayloadSchema } from "@farcaster/frame-sdk";
import {
ParseWebhookEvent,
parseWebhookEvent,
verifyAppKeyWithNeynar,
} from "@farcaster/frame-node";
import { NextRequest } from "next/server";
import { verifyJsonFarcasterSignature } from "~/lib/jfs";
import {
deleteUserNotificationDetails,
setUserNotificationDetails,
@@ -12,38 +15,40 @@ export async function POST(request: NextRequest) {
let data;
try {
const verifySignatureResult = await verifyJsonFarcasterSignature(
requestJson
);
if (verifySignatureResult.success === false) {
return Response.json(
{ success: false, error: verifySignatureResult.error },
{ status: 401 }
);
}
data = await parseWebhookEvent(requestJson, verifyAppKeyWithNeynar);
} catch (e: unknown) {
const error = e as ParseWebhookEvent.ErrorType;
data = verifySignatureResult;
} catch {
return Response.json({ success: false }, { status: 500 });
switch (error.name) {
case "VerifyJsonFarcasterSignature.InvalidDataError":
case "VerifyJsonFarcasterSignature.InvalidEventDataError":
// The request data is invalid
return Response.json(
{ success: false, error: error.message },
{ status: 400 }
);
case "VerifyJsonFarcasterSignature.InvalidAppKeyError":
// The app key is invalid
return Response.json(
{ success: false, error: error.message },
{ status: 401 }
);
case "VerifyJsonFarcasterSignature.VerifyAppKeyError":
// Internal error verifying the app key (caller may want to try again)
return Response.json(
{ success: false, error: error.message },
{ status: 500 }
);
}
}
const fid = data.fid;
const payloadData = JSON.parse(
Buffer.from(data.payload, "base64url").toString("utf-8")
);
const payload = eventPayloadSchema.safeParse(payloadData);
const event = data.event;
if (payload.success === false) {
return Response.json(
{ success: false, errors: payload.error.errors },
{ status: 400 }
);
}
switch (payload.data.event) {
switch (event.event) {
case "frame_added":
if (payload.data.notificationDetails) {
await setUserNotificationDetails(fid, payload.data.notificationDetails);
if (event.notificationDetails) {
await setUserNotificationDetails(fid, event.notificationDetails);
await sendFrameNotification({
fid,
title: "Welcome to Frames v2",
@@ -59,7 +64,7 @@ export async function POST(request: NextRequest) {
break;
case "notifications_enabled":
await setUserNotificationDetails(fid, payload.data.notificationDetails);
await setUserNotificationDetails(fid, event.notificationDetails);
await sendFrameNotification({
fid,
title: "Ding ding ding",