Add a new share tool, cloudflared

cli/Valet/Cloudflared.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Valet;
+
+use GuzzleHttp\Client;
+
+class Cloudflared
+{
+    public $brew_formula = 'cloudflare/cloudflare/cloudflared';
+
+    public function __construct(public CommandLine $cli, public Brew $brew)
+    {
+    }
+
+    public function currentTunnelUrl(?string $domain = null)
+    {
+        $urls = [];
+        $processes = array_filter(explode("\n", $this->cli->run('pgrep -fl cloudflared')));
+
+        foreach ($processes as $process) {
+            preg_match('/(?<pid>\d+)\s.+(?<=--http-host-header\s)(?<domain>[^\s]+).*/', $process, $matches);
+            if (count($matches) > 2) {
+                $local_domain = $matches['domain'];
+                $lsof = $this->cli->run('lsof -iTCP -P -a -p '.$matches['pid']);
+                preg_match('/TCP\s(?<server>[^\s]+:\d+)\s\(LISTEN\)/', $lsof, $matches);
+                if (array_key_exists('server', $matches)) {
+                    $body = (new Client())->get("http://{$matches['server']}/metrics")->getBody();
+                    preg_match('/userHostname="(?<url>.+)"/', $body->getContents(), $matches);
+                    $urls[$local_domain] = array_key_exists('url', $matches) ? $matches['url'] : false;
+                }
+            }
+        }
+
+        return array_key_exists($domain, $urls) ? $urls[$domain] : false;
+    }
+
+    /**
+     * Return whether cloudflared is installed.
+     */
+    public function installed(): bool
+    {
+        return $this->brew->installed($this->brew_formula);
+    }
+
+    /**
+     * Make sure cloudflared is installed.
+     */
+    public function ensureInstalled(): void
+    {
+        $this->brew->ensureInstalled($this->brew_formula);
+    }
+}