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Adding a header check #143

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Merged
SaschaSchwarze0 merged 1 commit into from
Nov 22, 2024
Merged

Adding a header check #143

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14 changes: 12 additions & 2 deletions hello/server.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,18 @@ const http = require("http");

http
.createServer(function (request, response) {

//
// If the app has been configured to check the CIS secret,
// make sure that the request header value 'x-cis-secret' matches the configured secret.
// If it doesn't match, assume that the request bypassed the CIS firewall and reject it.
if(process.env.CIS_SECRET && request.headers['x-cis-secret'] !== process.env.CIS_SECRET){
response.writeHead(403);
return response.end();
}

//
// debug endpoint, which prints all incoming headers and environment variables
// Debug endpoint, which prints all incoming headers and environment variables
if (request.url == "/debug") {
const respData = {
headers: request.headers,
Expand All @@ -17,7 +27,7 @@ http
}

//
// default http endpoint, which prints a simple hello world
// Default http endpoint, which prints a simple hello world
target = process.env.TARGET ? process.env.TARGET : "World";
msg = process.env.MSG ? process.env.MSG : "Hello " + target + "\n";
response.writeHead(200, { "Content-Type": "text/plain" });
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