113 lines
3.1 KiB
JavaScript
113 lines
3.1 KiB
JavaScript
const express = require('express');
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const cors = require('./middleware/cors');
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const user = require('./middleware/user');
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const bodyParser = require('body-parser');
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const _ = require('underscore');
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const StatsClient = require('./stats/client');
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const stats = require('./middleware/stats');
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const { mapnik } = require('windshaft');
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const lzmaMiddleware = require('./middleware/lzma');
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const errorMiddleware = require('./middleware/error-middleware');
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const syntaxError = require('./middleware/syntax-error');
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const servedByHostHeader = require('./middleware/served-by-host-header');
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const logger = require('./middleware/logger');
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const ControllersFactory = require('./controllers/factory');
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module.exports = function createServer (serverOptions) {
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validateOptions(serverOptions);
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// Make stats client globally accessible
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global.statsClient = StatsClient.getInstance(serverOptions.statsd);
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serverOptions.grainstore.mapnik_version = mapnikVersion(serverOptions);
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bootstrapFonts(serverOptions);
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const app = bootstrap(serverOptions);
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app.use(logger(serverOptions));
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app.use(bodyParser.json());
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app.use(servedByHostHeader());
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app.use(stats({
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enabled: serverOptions.useProfiler,
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statsClient: global.statsClient
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}));
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app.use(lzmaMiddleware());
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app.use(cors());
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app.use(user());
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const controllers = new ControllersFactory({ serverOptions, environmentOptions: global.environment });
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controllers.regist(app);
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app.use(syntaxError());
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app.use(errorMiddleware());
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return app;
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};
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function validateOptions(opts) {
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if (!_.isString(opts.base_url) || !_.isString(opts.base_url_mapconfig) || !_.isString(opts.base_url_templated)) {
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throw new Error("Must initialise server with: 'base_url'/'base_url_mapconfig'/'base_url_templated' URLs");
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}
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}
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function bootstrapFonts(opts) {
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// Set carto renderer configuration for MMLStore
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opts.grainstore.carto_env = opts.grainstore.carto_env || {};
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var cenv = opts.grainstore.carto_env;
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cenv.validation_data = cenv.validation_data || {};
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if ( ! cenv.validation_data.fonts ) {
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mapnik.register_system_fonts();
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mapnik.register_default_fonts();
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cenv.validation_data.fonts = _.keys(mapnik.fontFiles());
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}
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}
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function bootstrap(opts) {
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var app;
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if (_.isObject(opts.https)) {
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// use https if possible
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app = express.createServer(opts.https);
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} else {
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// fall back to http by default
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app = express();
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}
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app.enable('jsonp callback');
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app.disable('x-powered-by');
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app.disable('etag');
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// Fix: https://github.com/CartoDB/Windshaft-cartodb/issues/705
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// See: http://expressjs.com/en/4x/api.html#app.set
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app.set('json replacer', function (key, value) {
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if (value !== value) {
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return 'NaN';
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}
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if (value === Infinity) {
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return 'Infinity';
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}
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if (value === -Infinity) {
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return '-Infinity';
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}
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return value;
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});
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return app;
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}
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function mapnikVersion(opts) {
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return opts.grainstore.mapnik_version || mapnik.versions.mapnik;
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}
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