@marblejs/middleware-multipart/dist/multipart.parser.js

A multipart/form-data middleware for Marble.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseMultipart = void 0;
const Busboy = require("@fastify/busboy");
const http_1 = require("@marblejs/http");
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const multipart_parser_field_1 = require("./multipart.parser.field");
const multipart_parser_file_1 = require("./multipart.parser.file");
const parseMultipart = (opts) => (req) => {
    const busboy = new Busboy.Busboy({
        headers: req.headers,
        limits: {
            fileSize: opts.maxFileSize,
            files: opts.maxFileCount,
            fields: opts.maxFieldCount,
            fieldSize: opts.maxFieldSize,
        },
    });
    const finish$ = (0, rxjs_1.fromEvent)(busboy, 'finish').pipe((0, operators_1.share)());
    const parseFile$ = (0, multipart_parser_file_1.parseFile)(req)(opts)((0, rxjs_1.fromEvent)(busboy, 'file'), finish$);
    const parseField$ = (0, multipart_parser_field_1.parseField)(req)((0, rxjs_1.fromEvent)(busboy, 'field'), finish$);
    const filesLimit$ = (0, rxjs_1.fromEvent)(busboy, 'filesLimit').pipe((0, operators_1.takeUntil)(finish$), (0, operators_1.mergeMap)(() => (0, rxjs_1.throwError)(() => new http_1.HttpError(`Reached max files count limit [${opts.maxFileCount}]`, http_1.HttpStatus.PRECONDITION_FAILED, undefined, req))), (0, operators_1.defaultIfEmpty)(true));
    const fieldsLimit$ = (0, rxjs_1.fromEvent)(busboy, 'fieldsLimit').pipe((0, operators_1.takeUntil)(finish$), (0, operators_1.mergeMap)(() => (0, rxjs_1.throwError)(() => new http_1.HttpError(`Reached max fields count limit [${opts.maxFieldCount}]`, http_1.HttpStatus.PRECONDITION_FAILED, undefined, req))), (0, operators_1.defaultIfEmpty)(true));
    req.pipe(busboy);
    return (0, rxjs_1.forkJoin)([
        filesLimit$,
        fieldsLimit$,
        parseFile$,
        parseField$,
    ]).pipe((0, operators_1.map)(() => req), (0, operators_1.catchError)((error) => (0, http_1.isHttpError)(error)
        ? (0, rxjs_1.throwError)(() => error)
        : (0, rxjs_1.throwError)(() => new http_1.HttpError(error.message, http_1.HttpStatus.INTERNAL_SERVER_ERROR, undefined, req))));
};
exports.parseMultipart = parseMultipart;