Add stat API

.env.example

@@ -1,4 +1,5 @@
 HTTP_PORT=80
 HTTPS_PORT=443
-BLACKLIST_HOSTS=
-BLACKLIST_REDIRECT=
+STAT_PORT=8081
+BLACKLIST_HOSTS="bad.example,evil.example"
+BLACKLIST_REDIRECT="https://forwarddomain.net/blacklisted"

CHANGES.md

@@ -1,5 +1,9 @@
 # CHANGES
 
+## v2.3 (2022-08-16)
+
++ Add stat API `s.forwarddomain.net`, separate node script.
+
 ## v2.2 (2022-06-16)
 
 + Moving all parameters to `.env` file

README.md

@@ -79,7 +79,11 @@ We only keep caches of DNS records and SSL certs. This also means we can see how
 
 Star our repo and spread the word, please :)
 
-Additionally, you can also help us [cover hosting costs](https://ko-fi.com/willnode).
+Additionally, you can also help us [cover hosting costs](https://github.com/sponsors/willnode).
+
+## Credits
+
+Things in `package.json`. I also borrow code from [zbo14/certnode](https://github.com/zbo14/certnode).
 
 ## Usual Disclaimer
 

package-lock.json

@@ -5,6 +5,7 @@
   "requires": true,
   "packages": {
     "": {
+      "name": "forward-domain",
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
@@ -1208,9 +1209,9 @@
       "dev": true
     },
     "node_modules/moment": {
-      "version": "2.29.3",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.3.tgz",
-      "integrity": "sha512-c6YRvhEo//6T2Jz/vVtYzqBzwvPT95JBQ+smCytzf7c50oMZRsR/a4w88aD34I+/QVSfnoAnSBFPJHItlOMJVw==",
+      "version": "2.29.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==",
       "dev": true,
       "engines": {
         "node": "*"
@@ -3041,9 +3042,9 @@
       "dev": true
     },
     "moment": {
-      "version": "2.29.3",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.3.tgz",
-      "integrity": "sha512-c6YRvhEo//6T2Jz/vVtYzqBzwvPT95JBQ+smCytzf7c50oMZRsR/a4w88aD34I+/QVSfnoAnSBFPJHItlOMJVw==",
+      "version": "2.29.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==",
       "dev": true
     },
     "moment-timezone": {

package.json

@@ -1,7 +1,7 @@
 {
   "name": "forward-domain",
   "version": "1.0.0",
-  "description": "",
+  "description": "Public service to forward domain for free",
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
@@ -10,8 +10,8 @@
     "count": "find .certs -type d | grep '.\\.'  | wc -l"
   },
   "keywords": [],
-  "author": "",
-  "license": "ISC",
+  "author": "Wildan Mubarok",
+  "license": "MIT",
   "dependencies": {
     "await-lock": "^2.1.0",
     "axios": "^0.21.1",

stat.js

@@ -0,0 +1,58 @@
+// separate stat endpoint
+
+require('dotenv').config()
+const { execSync } = require('child_process');
+const http = require('http');
+
+const updateStat = function () {
+    // run npm stat
+    var buffer = execSync('npm run count');
+    var lines = buffer.toString('utf-8').trimEnd().split('\n');
+    var stat = {
+        domains: parseInt(lines[lines.length - 1]),
+        iat: Date.now(),
+        exp: Date.now() + 1000 * 60 * 60 * 24,
+    }
+    return stat;
+}
+
+let cacheStat = updateStat();
+
+const listener = async function ( /** @type {import('http').IncomingMessage} */ req, /** @type {import('http').ServerResponse} */ res) {
+    try {
+        switch (req.url) {
+            case '/':
+                if (cacheStat.exp < Date.now()) {
+                    cacheStat = updateStat();
+                }
+                res.writeHead(200, { 'Content-Type': 'application/json' });
+                res.end(JSON.stringify(cacheStat));
+                break;
+            default:
+                res.writeHead(404, {
+                    'content-type': 'application/json'
+                });
+                res.write(JSON.stringify({
+                    error: 'Unknown url'
+                }));
+                break;
+        }
+        return;
+    } catch (error) {
+        res.writeHead(400);
+        res.write(error.message || 'Unknown error');
+    } finally {
+        res.end();
+    }
+}
+
+const server = http.createServer(listener);
+
+if (require.main === module) {
+    const port = parseInt(process.env.STAT_PORT || "3000");
+    server.listen(port, function () {
+        console.log(`server start at port ${port}`);
+    });
+} else {
+    module.exports = server
+}