ci: add script to check url expiry dates

tools/domain-expiry-check/main.ts

@@ -0,0 +1,42 @@
+#!/usr/bin/env deno run --allow-net --allow-read
+import whois from 'npm:whois@2.14.0'
+
+const urls = Deno.readTextFileSync('resources/url-allowlist.txt')
+    .split('\n')
+    .filter((content) => content.length > 0)
+
+const expiryWarning = new Date()
+expiryWarning.setDate(expiryWarning.getDate() + 180)
+
+let i = 1
+
+for (const url of urls) {
+    whois.lookup(url, (err: any, data: string) => {
+        if (err) {
+            console.error(`error on ${url}:`, err)
+            return
+        } else {
+            if (data.length === 0) {
+                console.error(`no data on ${url}`)
+                return
+            }
+
+            const d = data.match(/expir(ation|y) date: (.*)/gi)
+            console.log(d)
+            const date = new Date(d ? d[1] : '1970-01-01')
+
+            if (date < expiryWarning) {
+                console.warn(`WARN: ${url} expires on ${date}`)
+            }
+            console.log(
+                'Processed',
+                i++,
+                'of',
+                urls.length,
+                'domains (',
+                url,
+                ')'
+            )
+        }
+    })
+}