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feat (bodyparser): do proper errors

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Scott Gould 2024-08-19 00:05:58 -04:00
parent c7a03b42c6
commit e67b28a57a
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1 changed files with 22 additions and 2 deletions
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24
src/api/middlewares/BodyParser.ts
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@ -20,6 +20,19 @@ import bodyParser, { OptionsJson } from "body-parser";
import { NextFunction, Request, Response } from "express";
import { HTTPError } from "lambert-server";
const errorMessages: { [key: string]: [string, number] } = {
"entity.too.large": ["Request body too large", 413],
"entity.parse.failed": ["Invalid JSON body", 400],
"entity.verify.failed": ["Entity verification failed", 403],
"request.aborted": ["Request aborted", 400],
"request.size.invalid": ["Request size did not match content length", 400],
"stream.encoding.set": ["Stream encoding should not be set", 500],
"stream.not.readable": ["Stream is not readable", 500],
"parameters.too.many": ["Too many parameters", 413],
"charset.unsupported": ["Unsupported charset", 415],
"encoding.unsupported": ["Unsupported content encoding", 415],
};
export function BodyParser(opts?: OptionsJson) {
const jsonParser = bodyParser.json(opts);
@ -29,8 +42,15 @@ export function BodyParser(opts?: OptionsJson) {
jsonParser(req, res, (err) => {
if (err) {
// TODO: different errors for body parser (request size limit, wrong body type, invalid body, ...)
return next(new HTTPError("Invalid Body", 400));
const [message, status] = errorMessages[err.type] || [
"Invalid Body",
400,
];
const errorMessage =
message.includes("charset") || message.includes("encoding")
? `${message} "${err.charset || err.encoding}"`
: message;
return next(new HTTPError(errorMessage, status));
}
next();
});