webserv/src/core/processors/before/file.processor.js

a quick, flexible, fully typed development server

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports", "busboy", "../../log", "../../util/BufferedResponse"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    const busboy_1 = __importDefault(require("busboy"));
    const log_1 = require("../../log");
    const BufferedResponse_1 = __importDefault(require("../../util/BufferedResponse"));
    function setupBuffer(request) {
        const busboy = new busboy_1.default({
            headers: request.headers
        });
        const buffer = new BufferedResponse_1.default();
        busboy.on('file', (fieldName, file, filename, encoding, mimeType) => {
            log_1.log.info(`Uploaded file: ${filename}, encoding ${encoding}, mimetype: ${mimeType}`);
            buffer.add({
                fieldName,
                file,
                filename,
                encoding,
                mimeType
            });
        });
        busboy.on('finish', function () {
            buffer.close();
        });
        request.pipe(busboy);
        return buffer;
    }
    exports.fileProcessor = (request) => {
        let buffer;
        if (request.method.toUpperCase() === 'POST') {
            Object.defineProperty(request, 'files', {
                get() {
                    if (!buffer) {
                        buffer = setupBuffer(request);
                    }
                    return buffer[Symbol.asyncIterator].bind(buffer);
                },
                configurable: true
            });
        }
    };
    function hasIncomingFiles(request) {
        return !!(request && Object.prototype.hasOwnProperty.call(request, 'files'));
    }
    exports.hasIncomingFiles = hasIncomingFiles;
});
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