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const CC = Components.Constructor;
const BinaryInputStream = CC(
"@mozilla.org/binaryinputstream;1",
"nsIBinaryInputStream",
"setInputStream"
);
// Returns a JSON string containing the query string arguments and the
// request body parsed as JSON.
function handleRequest(request, response) {
// Allow cross-origin, so you can XHR to it!
response.setHeader("Access-Control-Allow-Origin", "*", false);
// Avoid confusing cache behaviors
response.setHeader("Cache-Control", "no-cache", false);
response.setHeader("Content-Type", "application/json", false);
// Read request body
const inputStream = new BinaryInputStream(request.bodyInputStream);
let bytes = [];
let available;
while ((available = inputStream.available()) > 0) {
bytes = bytes.concat(inputStream.readByteArray(available));
}
const body = String.fromCharCode.apply(null, bytes);
// Write response body
const data = { queryString: {}, body: body ? JSON.parse(body) : {} };
const params = request.queryString.split("&");
for (const param of params) {
const [key, value] = param.split("=");
data.queryString[key] = value;
}
response.write(JSON.stringify(data));
}