81 lines
2.2 KiB
JavaScript
81 lines
2.2 KiB
JavaScript
const cds = require("@sap/cds");
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const getDurationInMilliseconds = (start) => {
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const NS_PER_SEC = 1e9; // convert to nanoseconds
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const NS_TO_MS = 1e6; // convert to milliseconds
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const diff = process.hrtime(start);
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return (diff[0] * NS_PER_SEC + diff[1]) / NS_TO_MS;
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};
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const getFormattedDateTime = () => {
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let currentDateTime = new Date();
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let formattedDateTime =
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currentDateTime.getFullYear() +
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"-" +
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(currentDateTime.getMonth() + 1) +
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"-" +
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currentDateTime.getDate() +
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" " +
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currentDateTime.getHours() +
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":" +
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currentDateTime.getMinutes() +
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":" +
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currentDateTime.getSeconds();
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return formattedDateTime;
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};
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const corsMiddleware = (req, res, next) => {
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res.header("Access-Control-Allow-Origin", "*");
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res.header(
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"Access-Control-Allow-Methods",
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"GET, PUT, PATCH, POST, DELETE, OPTIONS"
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);
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res.header(
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"Access-Control-Allow-Headers",
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"Origin, X-Requested-With, Content-Type, Accept, Authorization, Accept-Language"
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);
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//intercepts OPTIONS method
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if ("OPTIONS" === req.method) {
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//respond with 200
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res.sendStatus(200);
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} else {
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//move on
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next();
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}
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};
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// handle bootstrapping events...
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cds.on("bootstrap", (app) => {
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if (cds.env.env === "development") {
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app.use(corsMiddleware);
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}
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});
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cds.on("served", async ({ db, messaging, ...servedServices }) => {
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// add logging current user before any request
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for (let i in servedServices) {
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servedServices[i].prepend((srv) => {
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srv.on("*", async (req, next) => {
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const method = req._.req.method;
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const url = req._.req.url;
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const start = process.hrtime();
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if (req.user) {
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console.log("[USER]:", req.user.id, req.user.attr, req.user._roles);
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}
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const result = await next();
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const status = req._.res.statusCode;
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const currentDateTime = getFormattedDateTime();
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const durationInMilliseconds = getDurationInMilliseconds(start);
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const log = `[${currentDateTime}] ${durationInMilliseconds.toLocaleString()} ms ${method}:${url} status: ${status} `;
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console.log(log);
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return result;
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});
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});
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}
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});
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module.exports = cds.server;
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