82 lines
2.8 KiB
JavaScript
82 lines
2.8 KiB
JavaScript
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'use strict';
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/* global self */
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var url = require('url');
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var querystring = require('querystring');
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var getCurrentScriptSource = require('./getCurrentScriptSource');
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function createSocketUrl(resourceQuery) {
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var urlParts;
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if (typeof resourceQuery === 'string' && resourceQuery !== '') {
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// If this bundle is inlined, use the resource query to get the correct url.
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urlParts = url.parse(resourceQuery.substr(1));
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} else {
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// Else, get the url from the <script> this file was called with.
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var scriptHost = getCurrentScriptSource(); // eslint-disable-next-line no-useless-escape
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scriptHost = scriptHost.replace(/\/[^\/]+$/, '');
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urlParts = url.parse(scriptHost || '/', false, true);
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}
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if (!urlParts.port || urlParts.port === '0') {
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urlParts.port = self.location.port;
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}
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var _urlParts = urlParts,
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auth = _urlParts.auth,
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path = _urlParts.path;
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var _urlParts2 = urlParts,
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hostname = _urlParts2.hostname,
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protocol = _urlParts2.protocol; // check ipv4 and ipv6 `all hostname`
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// why do we need this check?
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// hostname n/a for file protocol (example, when using electron, ionic)
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// see: https://github.com/webpack/webpack-dev-server/pull/384
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var isAnyHostname = (hostname === '0.0.0.0' || hostname === '::') && self.location.hostname && // eslint-disable-next-line no-bitwise
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!!~self.location.protocol.indexOf('http');
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if (isAnyHostname) {
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hostname = self.location.hostname;
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} // `hostname` can be empty when the script path is relative. In that case, specifying
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// a protocol would result in an invalid URL.
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// When https is used in the app, secure websockets are always necessary
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// because the browser doesn't accept non-secure websockets.
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if (hostname && (self.location.protocol === 'https:' || urlParts.hostname === '0.0.0.0')) {
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protocol = self.location.protocol;
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} // default values of the sock url if they are not provided
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var sockHost = hostname;
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var sockPath = '/sockjs-node';
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var sockPort = urlParts.port; // eslint-disable-next-line no-undefined
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var shouldParsePath = path !== null && path !== undefined && path !== '/';
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if (shouldParsePath) {
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var parsedQuery = querystring.parse(path); // all of these sock url params are optionally passed in through
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// resourceQuery, so we need to fall back to the default if
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// they are not provided
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sockHost = parsedQuery.sockHost || sockHost;
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sockPath = parsedQuery.sockPath || sockPath;
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sockPort = parsedQuery.sockPort || sockPort;
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}
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return url.format({
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protocol: protocol,
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auth: auth,
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hostname: sockHost,
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port: sockPort,
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// If sockPath is provided it'll be passed in via the resourceQuery as a
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// query param so it has to be parsed out of the querystring in order for the
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// client to open the socket to the correct location.
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pathname: sockPath
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});
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}
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module.exports = createSocketUrl;
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