Initial commit

2023-09-28 16:21:06 +08:00
parent 498772eb04
commit ba7be004c0
640 changed files with 87745 additions and 0 deletions
@@ -0,0 +1,90 @@
+<?php
+/**
+ * 域名DNS查询
+ */
+
+namespace plugin\web\dns;
+
+use app\Plugin;
+use Exception;
+
+class App extends Plugin
+{
+
+    const DOH_API = [
+        'alidns' => [
+            'url' => 'https://dns.alidns.com/resolve',
+            'isproxy' => false,
+        ],
+        'dnspod' => [
+            'url' => 'https://doh.pub/resolve',
+            'isproxy' => false,
+        ],
+        '360' => [
+            'url' => 'https://doh.360.cn/resolve',
+            'isproxy' => false,
+        ],
+        'google' => [
+            'url' => 'https://dns.google/resolve',
+            'isproxy' => true,
+        ],
+    ];
+
+    const DNS_TYPE = [
+        1 => 'A',
+        5 => 'CNAME',
+        16 => 'TXT',
+        28 => 'AAAA',
+        2 => 'NS',
+        6 => 'SOA',
+    ];
+
+    public function index()
+    {
+        return $this->view();
+    }
+
+    public function query(){
+        $name = input('post.name', null, 'trim');
+        $type = input('post.type/d');
+        $doh = input('?post.doh') ? input('post.doh', null, 'trim') : 'alidns';
+        if(!$name || !$type) return msg('error','no name');
+
+        try{
+            $result = $this->doh_resolve($doh, $type, $name);
+            $list = [];
+            foreach($result as $row){
+                $row['typename'] = isset(self::DNS_TYPE[$row['type']]) ? self::DNS_TYPE[$row['type']] : $row['type'];
+                $list[] = $row;
+            }
+        }catch(Exception $e){
+            return msg('error', $e->getMessage());
+        }
+
+
+        return msg('ok','success',$list);
+    }
+
+
+    private function doh_resolve($doh, $type, $name){
+        if(!array_key_exists($doh, self::DOH_API)) throw new Exception('不存在该DNS服务器');
+        $url = self::DOH_API[$doh]['url'].'?name='.urlencode($name).'&type='.$type;
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $url);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        $data = curl_exec($ch);
+        curl_close($ch);
+        $arr = json_decode($data, true);
+        if(!$arr){
+            throw new Exception('DOH接口查询失败');
+        }else{
+            if(isset($arr['Answer'])){
+                return $arr['Answer'];
+            }else{
+                return [];
+            }
+        }
+    }
+}