mirror of https://github.com/jkjoy/sunpeiwen.git
81 lines
2.2 KiB
JavaScript
81 lines
2.2 KiB
JavaScript
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'use strict';
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const connect = require('connect');
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const http = require('http');
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const chalk = require('chalk');
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const Promise = require('bluebird');
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const open = require('open');
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const net = require('net');
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const url = require('url');
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module.exports = function(args) {
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const app = connect();
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const { config } = this;
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const ip = args.i || args.ip || config.server.ip || undefined;
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const port = parseInt(args.p || args.port || config.server.port || process.env.port, 10) || 4000;
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const { root } = config;
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return checkPort(ip, port).then(() => this.extend.filter.exec('server_middleware', app, {context: this})).then(() => {
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if (args.s || args.static) {
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return this.load();
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}
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return this.watch();
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}).then(() => startServer(http.createServer(app), port, ip)).then(server => {
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const addr = server.address();
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const addrString = formatAddress(ip || addr.address, addr.port, root);
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this.log.info('Hexo is running at %s . Press Ctrl+C to stop.', chalk.underline(addrString));
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this.emit('server');
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if (args.o || args.open) {
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open(addrString);
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}
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return server;
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}).catch(err => {
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switch (err.code) {
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case 'EADDRINUSE':
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this.log.fatal(`Port ${port} has been used. Try other port instead.`);
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break;
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case 'EACCES':
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this.log.fatal(`Permission denied. You can't use port ${port}.`);
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break;
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}
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this.unwatch();
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throw err;
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});
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};
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function startServer(server, port, ip) {
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return new Promise((resolve, reject) => {
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server.listen(port, ip, resolve);
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server.on('error', reject);
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}).then(() => server);
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}
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function checkPort(ip, port) {
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if (port > 65535 || port < 1) {
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return Promise.reject(new RangeError(`Port number ${port} is invalid. Try a number between 1 and 65535.`));
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}
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const server = net.createServer();
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return new Promise((resolve, reject) => {
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server.once('error', reject);
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server.once('listening', resolve);
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server.listen(port, ip);
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}).then(() => { server.close(); });
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}
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function formatAddress(ip, port, root) {
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let hostname = ip;
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if (ip === '0.0.0.0' || ip === '::') {
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hostname = 'localhost';
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}
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return url.format({protocol: 'http', hostname: hostname, port: port, path: root});
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}
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