88 lines
2.4 KiB
JavaScript
88 lines
2.4 KiB
JavaScript
const logger = require('./logger.js');
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const commands = require('./commands.js');
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const http = require('http');
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let server;
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let api;
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async function start() {
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const listen = global.config?.server?.listen || '0.0.0.0';
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const port = global.config?.server?.port;
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setupAPI();
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if (server === undefined) {
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server = http.createServer();
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}
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return new Promise((resolve, reject) => {
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server.listen(port, listen)
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.on('listening', function () {
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logger.debug('server listening on ' + config.server.listen + ':' + config.server.port + '...');
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handleRequests();
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resolve();
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});
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});
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}
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function handleRequests() {
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server.on('request', (request, response) => {
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request.timestamp = new Date().getTime();
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respond(request, response, api.get(request.url));
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});
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}
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async function respond(request, response, endpoint) {
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if (response === undefined) {
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return;
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}
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let data = {
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status: 'ok',
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command: endpoint.command,
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args: endpoint.args
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};
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if (endpoint.detached === true) {
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data.detached = true;
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}
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let code = 200;
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if (endpoint === undefined) {
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code = 501;
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data.status = 'error';
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data.msg = 'endpoint not defined';
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} else if (request.method.toLowerCase() !== (endpoint.type.toLowerCase())) {
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code = 405;
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data.status = 'error';
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data.msg = 'endpoint does not support ' + request.method + ' requests';
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} else {
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try {
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const result = await commands.execute(endpoint);
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if (result !== undefined) {
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data.result = result;
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}
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} catch (err) {
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code = 501;
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data.status = 'error';
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data.msg = err.toString();
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}
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}
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data.time = new Date().getTime() - request.timestamp + 'ms';
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const json = JSON.stringify(data);
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response.writeHead(code);
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response.end(json);
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logger.http({ request: request, code: code, data: json });
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}
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function setupAPI() {
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const apiConfig = global.config?.api;
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if (apiConfig === undefined || apiConfig.length === 0) {
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throw new Error('no api endpoints configured - aborting');
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}
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api = new Map();
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config.api.forEach(function (endpoint) {
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let url = endpoint.url;
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let tmp = endpoint;
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delete tmp.url;
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api.set(url, tmp);
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});
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}
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module.exports = {
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start
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} |