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Update prompt example to use caching of verification keys #131

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Update prompt example to use caching of verification keys #131

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8 changes: 7 additions & 1 deletion examples/prompt/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,9 @@ import {
// Define the port to listen on
const PORT = 3000;

// Cache for verification keys to improve performance
let verificationKeysCache = { id: "", keys: [] };

// Define the handler function
async function handler(request, response) {
console.log(`Received [${request.method}] to [${request.url}]`);
Expand All @@ -36,15 +39,18 @@ async function handler(request, response) {
const keyID = String(request.headers["github-public-key-identifier"]);

try {
const { isValidRequest, payload } = await verifyAndParseRequest(
const { isValidRequest, payload, cache } = await verifyAndParseRequest(
body,
signature,
keyID,
{
token: tokenForUser,
cache: verificationKeysCache,
},
);

verificationKeysCache = cache;

if (!isValidRequest) {
console.error("Request verification failed");
response.writeHead(401, { "Content-Type": "text/plain" });
Expand Down