feat: add net PAC format

src/App/Controller/PacController.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace OpenCCK\App\Controller;
+
+use OpenCCK\Domain\Factory\SiteFactory;
+use OpenCCK\Domain\Helper\IP4Helper;
+
+class PacController extends AbstractIPListController {
+    /**
+     * @return string
+     */
+    public function getBody(): string {
+        $this->setHeaders(['content-type' => 'text/javascript']);
+
+        $sites = SiteFactory::normalizeArray($this->request->getQueryParameters()['site'] ?? []);
+        $data = $this->request->getQueryParameter('data') ?? '';
+        $template = $this->request->getQueryParameter('template') ?? 'PROXY 127.0.0.1:2080; DIRECT';
+        if (!in_array($data, ['domains', 'cidr4'])) {
+            return "# Error: The 'data' GET parameter is must be 'domains' or 'cidr4'";
+        }
+
+        $items = [];
+        if (count($sites)) {
+            foreach ($sites as $site) {
+                $items = array_merge($items, $this->getSites()[$site]->$data);
+            }
+        } else {
+            foreach ($this->getSites() as $siteEntity) {
+                $items = array_merge($items, $siteEntity->$data);
+            }
+        }
+
+        $response = ['const items = ['];
+        $response[] = implode(
+            ",\n",
+            $data == 'cidr4'
+                ? array_map(function (string $item) {
+                    $parts = explode('/', $item);
+                    $mask = IP4Helper::formatShortIpMask($parts[1] ?? '');
+                    return '["' . $parts[0] . '","' . $mask . '"]';
+                }, SiteFactory::normalizeArray($items, true))
+                : array_map(fn(string $item) => '"' . $item . '"', SiteFactory::normalizeArray($items))
+        );
+        $response[] = '];';
+
+        if ($data == 'cidr4') {
+            $response = array_merge($response, [
+                'function FindProxyForURL(url, host) {',
+                '    for (cidr of items) {',
+                '        if (isInNet(host, cidr[0], cidr[1])) {',
+                '            return "' . $template . '";',
+                '        }',
+                '    }',
+                '',
+                '    return "DIRECT";',
+                '}',
+            ]);
+        } else {
+            $response = array_merge($response, [
+                'function FindProxyForURL(url, host) {',
+                '    for (domain of items) {',
+                '        if (host === domain || shExpMatch(host, "*." + domain)) {',
+                '            return "' . $template . '";',
+                '        }',
+                '    }',
+                '',
+                '    return "DIRECT";',
+                '}',
+            ]);
+        }
+
+        return implode("\n", $response);
+    }
+}