110 lines
2.5 KiB
JavaScript
110 lines
2.5 KiB
JavaScript
let fs = require("fs");
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let http = require("http");
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let DST_DIR = "/var/log/consult";
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//let DST_DIR = "/tmp";
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let TEMPLATE_FILE_NAME = "%DIR%/consult_%UUID%";
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let URL_CONSULT = "/api/consult";
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let srv = http.createServer((req, res) => {
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if (req.method == "POST") {
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var dat = "";
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req.on("data", (chunk) => {
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dat += chunk;
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});
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req.on("end", () => {
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// /api/consult
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if (isConsultationRequestValid(req, dat)) {
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saveUserContacts(dat);
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returnSuccess(res);
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} else {
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returnError(res);
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}
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});
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} else if (req.method == "OPTIONS") {
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returnNoCORS(res);
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} else {
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returnError(res);
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}
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});
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function isConsultationRequestValid(req, dat) {
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var json = {};
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try {
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json = JSON.parse(dat);
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} catch (e) {
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//console.log("ERR isCRV error:", e);
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}
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if (
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req.url == URL_CONSULT &&
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req.method == "POST" &&
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"name" in json &&
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"phone" in json
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) {
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return true;
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}
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return false;
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}
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function returnError(res) {
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res.writeHead(404, { "Content-Type": "text/html" });
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res.end(`<html>
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<head><title>404 Not Found</title></head>
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<body>
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<center><h1>404 Not Found</h1></center>
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<hr><center>nginx/1.24.0 (Ubuntu)</center>
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</body>
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</html>`);
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}
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function returnNoCORS(res) {
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res.writeHead(
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204,
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{
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"Access-Control-Allow-Headers": "Content-Type",
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"Access-Control-Allow-Origin": "*",
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"Content-Length": "0",
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"Content-Type": "text/plain;charset=UTF-8",
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}
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);
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res.end();
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}
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function returnSuccess(res) {
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res.writeHead(
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200,
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{
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"Access-Control-Allow-Origin": "*",
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"Content-Type": "application/json;charset=UTF-8",
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}
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);
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let dat = { code: 4 };
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res.end(JSON.stringify(dat));
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}
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function saveUserContacts(dat) {
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let fileName = TEMPLATE_FILE_NAME
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.replaceAll("%DIR%", DST_DIR)
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.replaceAll("%UUID%", uuidString());
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fs.writeFile(fileName, dat, (err) => {
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console.log("ИГР saveUC fileN/err:", fileName, err);
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});
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}
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// https://stackoverflow.com/a/2117523
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function uuidString() {
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(
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/[xy]/g,
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function(c)
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{
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var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
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return v.toString(16);
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}
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);
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}
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// Launch.
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srv.listen(8001);
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