@webfaas/webfaas-plugin-packageregistry-npm/lib/PackageRegistry.js

WebFaaS Framework - Plugin - Package Registry - NPM

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const webfaas_core_1 = require("@webfaas/webfaas-core");
const webfaas_core_2 = require("@webfaas/webfaas-core");
const webfaas_core_3 = require("@webfaas/webfaas-core");
const PackageRegistryConfig_1 = require("./PackageRegistryConfig");
class PackageRegistry {
    constructor(config, log) {
        this.config = config || new PackageRegistryConfig_1.PackageRegistryConfig();
        this.log = log || new webfaas_core_1.Log();
        this.clientHTTP = new webfaas_core_3.ClientHTTP(this.config.httpConfig, this.log);
    }
    buildHeaders() {
        var headers = {};
        headers["user-agent"] = "webfaas";
        if (this.config.token) {
            headers["authorization"] = "Bearer " + this.config.token;
        }
        return headers;
    }
    /**
     * return eTag
     * @param value
     */
    parseETag(value) {
        if (value) {
            return value.toString();
        }
        else {
            return "";
        }
    }
    /**
     * return type name
     */
    getTypeName() {
        return "npm";
    }
    /**
     * return config
     */
    getConfig() {
        return this.config;
    }
    /**
     * return manifest in IPackageRegistryResponse
     * @param name manifest name
     * @param etag manifest etag
     */
    getManifest(name, etag) {
        return new Promise(async (resolve, reject) => {
            try {
                var headers = this.buildHeaders();
                var manifestResponseObj = {};
                //optimized npm package metadata response payload (https://github.com/npm/registry/blob/master/docs/responses/package-metadata.md)
                headers["accept"] = "application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8, */*";
                if (etag) {
                    headers["If-None-Match"] = etag;
                }
                var url = this.config.url + "/" + name;
                var respHTTP = await this.clientHTTP.request(url, "GET", undefined, headers);
                if (respHTTP.statusCode === 200) {
                    var header_etag = this.parseETag(respHTTP.headers["etag"]);
                    manifestResponseObj.packageStore = webfaas_core_2.PackageStoreUtil.buildPackageStoreFromListBuffer(name, "", header_etag, [respHTTP.data], ["package.json"]);
                    resolve(manifestResponseObj);
                }
                else if (respHTTP.statusCode === 304) { //NOT MODIFIED
                    manifestResponseObj.packageStore = null;
                    manifestResponseObj.etag = etag || "";
                    resolve(manifestResponseObj);
                }
                else if (respHTTP.statusCode === 404) { //NOT FOUND
                    manifestResponseObj.packageStore = null;
                    manifestResponseObj.etag = "";
                    resolve(manifestResponseObj);
                }
                else {
                    reject(respHTTP.statusCode);
                }
            }
            catch (errTry) {
                reject(errTry);
            }
        });
    }
    /**
     * return package in IPackageRegistryResponse
     * @param name package name
     * @param version package version
     * @param etag package etag
     */
    getPackage(name, version, etag) {
        return new Promise(async (resolve, reject) => {
            try {
                var headers = this.buildHeaders();
                var packageResponseObj = {};
                //optimized npm package metadata response payload (https://github.com/npm/registry/blob/master/docs/responses/package-metadata.md)
                headers["accept"] = "application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8, */*";
                if (etag) {
                    headers["If-None-Match"] = etag;
                }
                let moduleNameData = webfaas_core_3.ModuleNameUtil.parse(name, "");
                var url = this.config.url + "/" + moduleNameData.moduleName + "/-/" + moduleNameData.moduleNameWhitOutScopeName + "-" + version + ".tgz";
                var respHTTP = await this.clientHTTP.request(url, "GET", undefined, headers);
                if (respHTTP.statusCode === 200) {
                    var header_etag = this.parseETag(respHTTP.headers["etag"]);
                    packageResponseObj.packageStore = webfaas_core_2.PackageStoreUtil.buildPackageStoreFromTarGzBuffer(name, version, header_etag, respHTTP.data);
                    resolve(packageResponseObj);
                }
                else if (respHTTP.statusCode === 304) { //NOT MODIFIED
                    packageResponseObj.packageStore = null;
                    packageResponseObj.etag = etag || "";
                    resolve(packageResponseObj);
                }
                else if (respHTTP.statusCode === 404) { //NOT FOUND
                    packageResponseObj.packageStore = null;
                    packageResponseObj.etag = "";
                    resolve(packageResponseObj);
                }
                else {
                    reject(respHTTP.statusCode);
                }
            }
            catch (errTry) {
                reject(errTry);
            }
        });
    }
    start() {
        return new Promise((resolve, reject) => {
            resolve();
        });
    }
    stop() {
        return new Promise((resolve, reject) => {
            this.clientHTTP.destroy();
            resolve();
        });
    }
}
exports.PackageRegistry = PackageRegistry;
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