kopia lustrzana https://github.com/c9/core
99 wiersze
3.5 KiB
JavaScript
99 wiersze
3.5 KiB
JavaScript
/**
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* Base URL utilities for the Ajax.org Cloud IDE
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*
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* Access via require("c9/urls").
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*
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* @copyright 2015, Ajax.org B.V.
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*/
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var plugin = module.exports = main;
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var assert = require("assert");
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plugin.consumes = ["error.logger"];
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plugin.provides = ["urls"];
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var errorLogger = mockErrorLogger;
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function main(options, imports, register) {
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errorLogger = imports["error.logger"];
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register(null, {
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urls: plugin
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});
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}
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/**
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* Get a desired base URL, given some context.
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*
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* @param req The current request object or URL
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* @param {String} [sourceUrlPattern] The source URL pattern, e.g. https://ide.$DOMAIN
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* @param {String} targetBaseUrlPattern The target URL pattern, e.g. https://$DOMAIN
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*/
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plugin.getBaseUrl = function(req, sourceBaseUrlPattern, targetBaseUrlPattern) {
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var sourceHost = req.headers && req.headers.host
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|| req.host
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|| req.url && req.url.replace(/^https?:\/\/([^/]*).*/, "$1")
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|| req;
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if (typeof sourceHost !== "string")
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throw new Error("Not a valid request object: " + req);
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if (!sourceBaseUrlPattern)
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throw new Error("getBaseUrl() requires at least two arguments");
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var sourceHostMatcher = sourceBaseUrlPattern
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.replace(/^https?:\/\//, "")
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.replace(/\/.*/, "")
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.replace(/\./, "\\.")
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.replace("$DOMAIN", "([^/]+)");
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var hostMatch = sourceHost.match(sourceHostMatcher);
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var targetHost;
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if (hostMatch) {
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targetHost = hostMatch[1];
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}
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else {
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errorLogger.log(new Error("Could not construct URL: request host "
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+ sourceHost + " should match " + sourceBaseUrlPattern));
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targetHost = "c9.io";
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}
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if (targetHost.match(/^(ide|vfs)./) && !targetBaseUrlPattern)
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errorLogger.log(new Error("Warning: no targetBaseUrlPattern specified, will stay at " + targetHost), { sourceBaseUrlPattern: sourceBaseUrlPattern });
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if (targetHost.match(/^(ide|vfs)./))
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console.trace("Warning: possibly incorrect baseUrl constructed, with 'ide.' in the hostname: " + targetHost);
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return replaceDomain(targetBaseUrlPattern || sourceBaseUrlPattern, targetHost)
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.replace(/\/$/, "");
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};
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plugin.replaceDomains = function(settings, domains) {
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domains = Array.isArray(domains) ? domains : domains.split(",");
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var primaryDomain = domains[0];
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settings.domains = domains;
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settings.primaryDomain = replaceDomain(settings.primaryDomain || "$DOMAIN", primaryDomain);
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settings.primaryBaseUrl = replaceDomain(settings.primaryBaseUrl || "https://$DOMAIN", primaryDomain);
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for (var s in settings) {
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if (!settings[s])
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continue;
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if (settings[s].baseUrl)
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settings[s].baseUrl = replaceDomain(settings[s].baseUrl, primaryDomain);
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if (settings[s].localBaseUrl)
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settings[s].localBaseUrl = replaceDomain(settings[s].localBaseUrl, primaryDomain);
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if (settings[s].primaryBaseUrl)
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settings[s].primaryBaseUrl = replaceDomain(settings[s].primaryBaseUrl, primaryDomain);
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if (settings[s].baseUrls) {
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assert(settings[s].baseUrls.length === 1);
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settings[s].baseUrls = domains.map(function(d) {
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return replaceDomain(settings[s].baseUrls[0], d);
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});
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}
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}
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};
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function replaceDomain(url, domain) {
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return url.replace("$DOMAIN", domain);
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}
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function mockErrorLogger() {}
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mockErrorLogger.log = function(err) {
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console.error(err.stack);
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};
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plugin.mockErrorLogger = mockErrorLogger;
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