lunaisadev-website-old/node_modules/browser-sync/dist/server/utils.js

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2021-07-28 01:40:12 +00:00
"use strict";
var fs = require("fs");
var path = require("path");
var join = require("path").join;
var connect = require("connect");
var Immutable = require("immutable");
var http = require("http");
var https = require("https");
var Map = require("immutable").Map;
var fromJS = require("immutable").fromJS;
var List = require("immutable").List;
var snippet = require("./../snippet").utils;
var _ = require("../lodash.custom");
var serveStatic = require("./serve-static-wrapper").default();
var serveIndex = require("serve-index");
var logger = require("../logger");
var snippetUtils = require("../snippet").utils;
var lrSnippet = require("resp-modifier");
var certPath = join(__dirname, "..", "..", "certs");
function getCa(options) {
var caOption = options.getIn(["https", "ca"]);
// if not provided, use Browsersync self-signed
if (typeof caOption === "undefined") {
return fs.readFileSync(join(certPath, "server.csr"));
}
// if a string was given, read that file from disk
if (typeof caOption === "string") {
return fs.readFileSync(caOption);
}
// if an array was given, read all
if (List.isList(caOption)) {
return caOption.toArray().map(function (x) {
return fs.readFileSync(x);
});
}
}
function getKey(options) {
return fs.readFileSync(options.getIn(["https", "key"]) || join(certPath, "server.key"));
}
function getCert(options) {
return fs.readFileSync(options.getIn(["https", "cert"]) || join(certPath, "server.crt"));
}
function getHttpsServerDefaults(options) {
return fromJS({
key: getKey(options),
cert: getCert(options),
ca: getCa(options),
passphrase: ""
});
}
function getPFXDefaults(options) {
return fromJS({
pfx: fs.readFileSync(options.getIn(["https", "pfx"]))
});
}
var serverUtils = {
/**
* @param options
* @returns {{key, cert}}
*/
getHttpsOptions: function (options) {
var userOption = options.get("https");
if (Map.isMap(userOption)) {
if (userOption.has("pfx")) {
return userOption.mergeDeep(getPFXDefaults(options));
}
return userOption.mergeDeep(getHttpsServerDefaults(options));
}
return getHttpsServerDefaults(options);
},
/**
* Get either http or https server
* or use the httpModule provided in options if present
*/
getServer: function (app, options) {
return {
server: (function () {
var httpModule = serverUtils.getHttpModule(options);
if (options.get("scheme") === "https" ||
options.get("httpModule") === "http2") {
var opts = serverUtils.getHttpsOptions(options);
return httpModule.createServer(opts.toJS(), app);
}
return httpModule.createServer(app);
})(),
app: app
};
},
getHttpModule: function (options) {
/**
* Users may provide a string to be used by nodes
* require lookup.
*/
var httpModule = options.get("httpModule");
if (typeof httpModule === "string") {
/**
* Note, this could throw, but let that happen as
* the error message good enough.
*/
var maybe = require.resolve(httpModule);
return require(maybe);
}
if (options.get("scheme") === "https") {
return https;
}
return http;
},
getMiddlewares: function (bs) {
var clientJs = bs.pluginManager.hook("client:js", {
port: bs.options.get("port"),
options: bs.options
});
var scripts = bs.pluginManager.get("client:script")(bs.options.toJS(), clientJs, "middleware");
var defaultMiddlewares = [
{
id: "Browsersync HTTP Protocol",
route: require("../config").httpProtocol.path,
handle: require("../http-protocol").middleware(bs)
},
{
id: "Browsersync IE8 Support",
route: "",
handle: snippet.isOldIe(bs.options.get("excludedFileTypes").toJS())
},
{
id: "Browsersync Response Modifier",
route: "",
handle: serverUtils.getSnippetMiddleware(bs)
},
{
id: "Browsersync Client - versioned",
route: bs.options.getIn(["scriptPaths", "versioned"]),
handle: scripts
},
{
id: "Browsersync Client",
route: bs.options.getIn(["scriptPaths", "path"]),
handle: scripts
}
];
/**
* Add cors middleware to the front of the stack
* if a user provided a 'cors' flag
*/
if (bs.options.get("cors")) {
defaultMiddlewares.unshift({
id: "Browsersync CORS support",
route: "",
handle: serverUtils.getCorsMiddlewware()
});
}
/**
* Add connect-history-api-fallback if 'single' argument given
*/
if (bs.options.get("single")) {
defaultMiddlewares.unshift({
id: "Browsersync SPA support",
route: "",
handle: require("connect-history-api-fallback")()
});
}
/**
* Add serve static middleware
*/
if (bs.options.get("serveStatic")) {
var ssMiddlewares = serverUtils.getServeStaticMiddlewares(bs.options.get("serveStatic"), bs.options.get("serveStaticOptions", Immutable.Map({})).toJS());
var withErrors = ssMiddlewares.filter(function (x) {
return x.get("errors").size > 0;
});
var withoutErrors = ssMiddlewares.filter(function (x) {
return x.get("errors").size === 0;
});
if (withErrors.size) {
withErrors.forEach(function (item) {
logger.logger.error("{red:Warning!} %s", item.getIn(["errors", 0, "data", "message"]));
});
}
if (withoutErrors.size) {
withoutErrors.forEach(function (item) {
defaultMiddlewares.push.apply(defaultMiddlewares, item.get("items").toJS());
});
}
}
/**
* Add user-provided middlewares
*/
var userMiddlewares = bs.options
.get("middleware")
.map(normaliseMiddleware)
.toArray();
var beforeMiddlewares = userMiddlewares.filter(function (x) {
return x.override;
});
var afterMiddlewares = userMiddlewares
.filter(function (x) {
return !x.override;
})
.concat(bs.options.get("mode") !== "proxy" &&
userMiddlewares.length === 0 && {
id: "Browsersync 404/index support",
route: "",
handle: serveIndex(bs.options.get("cwd"), {
icons: true,
view: "details"
})
});
var mwStack = []
.concat(beforeMiddlewares, defaultMiddlewares, afterMiddlewares)
.filter(Boolean);
return mwStack;
function normaliseMiddleware(item) {
/**
* Object given in options, which
* ended up being a Map
*/
if (Map.isMap(item)) {
return item.toJS();
}
/**
* Single function
*/
if (typeof item === "function") {
return {
route: "",
handle: item
};
}
/**
* Plain obj
*/
if (item.route !== undefined && item.handle) {
return item;
}
}
},
getBaseApp: function (bs) {
var app = connect();
var middlewares = serverUtils.getMiddlewares(bs);
/**
* Add all internal middlewares
*/
middlewares.forEach(function (item) {
app.stack.push(item);
});
return app;
},
getSnippetMiddleware: function (bs) {
var rules = [];
var blacklist = List([])
.concat(bs.options.getIn(["snippetOptions", "ignorePaths"]))
.concat(bs.options.getIn(["snippetOptions", "blacklist"]))
.filter(Boolean);
var whitelist = List([]).concat(bs.options.getIn(["snippetOptions", "whitelist"]));
// Snippet
rules.push(snippetUtils.getRegex(bs.options.get("snippet"), bs.options.get("snippetOptions")));
// User
bs.options.get("rewriteRules").forEach(function (rule) {
if (Map.isMap(rule)) {
rules.push(rule.toJS());
}
if (_.isPlainObject(rule)) {
rules.push(rule);
}
});
// Proxy
if (bs.options.get("proxy")) {
var proxyRule = require("./proxy-utils").rewriteLinks(bs.options.getIn(["proxy", "url"]).toJS());
rules.push(proxyRule);
}
var lr = lrSnippet.create({
rules: rules,
blacklist: blacklist.toArray(),
whitelist: whitelist.toArray()
});
return lr.middleware;
},
getCorsMiddlewware: function () {
return function (req, res, next) {
// Website you wish to allow to connect
res.setHeader("Access-Control-Allow-Origin", "*");
// Request methods you wish to allow
res.setHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS, PUT, PATCH, DELETE");
// Request headers you wish to allow
res.setHeader("Access-Control-Allow-Headers", "X-Requested-With,content-type");
// Set to true if you need the website to include cookies in the requests sent
// to the API (e.g. in case you use sessions)
res.setHeader("Access-Control-Allow-Credentials", true);
next();
};
},
/**
* @param ssOption
* @param serveStaticOptions
* @returns {*}
*/
getServeStaticMiddlewares: function (ssOption, serveStaticOptions) {
return ssOption.map(function (dir, i) {
/**
* When a user gives a plain string only, eg:
* serveStatic: ['./temp']
* ->
* This means a middleware will be created with
* route: ''
* handle: serveStatic('./temp', options)
*/
if (_.isString(dir)) {
return getFromString(dir);
}
/**
* If a user gave an object eg:
* serveStatic: [{route: "", dir: ["test", "./tmp"]}]
* ->
* This means we need to create a middle for each route + dir combo
*/
if (Immutable.Map.isMap(dir)) {
return getFromMap(dir, i);
}
/**
* At this point, an item in the serveStatic array was not a string
* or an object so we return an error that can be logged
*/
return fromJS({
items: [],
errors: [
{
type: "Invalid Type",
data: {
message: "Only strings and Objects (with route+dir) are supported for the ServeStatic option"
}
}
]
});
});
/**
* @param {string} x
* @returns {string}
*/
function getRoute(x) {
if (x === "")
return "";
return x[0] === "/" ? x : "/" + x;
}
/**
* @param dir
* @returns {Map}
*/
function getFromString(dir) {
return fromJS({
items: [
{
route: "",
handle: serveStatic(dir, serveStaticOptions)
}
],
errors: []
});
}
/**
* @param dir
* @returns {Map}
*/
function getFromMap(dir) {
var ssOptions = (function () {
if (dir.get("options")) {
return dir.get("options").toJS();
}
return {};
})();
var route = Immutable.List([])
.concat(dir.get("route"))
.filter(_.isString);
var _dir = Immutable.List([])
.concat(dir.get("dir"))
.filter(_.isString);
if (_dir.size === 0) {
return fromJS({
items: [],
errors: [
{
type: "Invalid Object",
data: {
message: "Serve Static requires a 'dir' property when using an Object"
}
}
]
});
}
var ssItems = (function () {
/**
* iterate over every 'route' item
* @type {Immutable.List<any>|Immutable.List<*>|Immutable.List<any>|*}
*/
var routeItems = (function () {
/**
* If no 'route' was given, assume we want to match all
* paths
*/
if (route.size === 0) {
return _dir.map(function (dirString) {
return Map({
route: "",
dir: dirString
});
});
}
return route.reduce(function (acc, routeString) {
/**
* For each 'route' item, also iterate through 'dirs'
* @type {Immutable.Iterable<K, M>}
*/
var perDir = _dir.map(function (dirString) {
return Map({
route: getRoute(routeString),
dir: dirString
});
});
return acc.concat(perDir);
}, List([]));
})();
/**
* Now create a serverStatic Middleware for each item
*/
return routeItems.map(function (routeItem) {
return routeItem.merge({
handle: serveStatic(routeItem.get("dir"), ssOptions)
});
});
})();
return fromJS({
items: ssItems,
errors: []
});
}
}
};
module.exports = serverUtils;
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