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Merged
mendhak merged 1 commit into from
Mar 22, 2025
Merged

basic handling of gzip content-encoding on requests as per https://gi… #79

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10 changes: 8 additions & 2 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ const express = require('express')
const concat = require('concat-stream');
const { promisify } = require('util');
const promBundle = require("express-prom-bundle");
const zlib = require("zlib");

const {
PROMETHEUS_ENABLED = false,
Expand Down Expand Up @@ -40,11 +41,16 @@ if(process.env.DISABLE_REQUEST_LOGS !== 'true'){

app.use(function(req, res, next){
req.pipe(concat(function(data){
req.body = data.toString('utf8');

if (req.get("Content-Encoding") === "gzip") {
req.body = zlib.gunzipSync(data).toString('utf8');
}
else {
req.body = data.toString('utf8');
}
next();
}));
});

//Handle all paths
app.all('*', (req, res) => {

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12 changes: 12 additions & 0 deletions tests.sh
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Expand Up @@ -155,6 +155,18 @@ else
exit 1
fi


message " Make JSON request with gzip Content-Encoding, and test that json is in the output. "
REQUEST=$(echo -n '{"a":"b"}' | gzip | curl -s -X POST -H "Content-Encoding: gzip" -H "Content-Type: application/json" --data-binary @- http://localhost:8080/)
if [ $(echo $REQUEST | jq -r '.json.a') == 'b' ]
then
passed "JSON test passed."
else
failed "JSON test failed."
echo $REQUEST | jq
exit 1
fi

REQUEST=$(curl -s -X POST -H "Content-Type: application/json" -d 'not-json' http://localhost:8080)
if [ $(echo $REQUEST | jq -r '.json') == 'null' ]; then
passed "JSON with Invalid Body test passed."
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