Initial commit

plugin/utility/unshorturl/App.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * 短网址还原
+ */
+
+namespace plugin\utility\unshorturl;
+
+use app\Plugin;
+
+class App extends Plugin
+{
+
+    public function index()
+    {
+        return $this->view();
+    }
+
+    public function query(){
+        $url = input('post.url', null, 'trim');
+        if(!$url) return msg('error','no url');
+        if(!filter_var($url,FILTER_VALIDATE_URL)){
+            return msg('error','输入的URL不符合规范');
+        }
+
+        $captcha_result = verify_captcha4();
+        if($captcha_result !== true){
+            return msg('error', '验证失败，请重新验证');
+        }
+
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $url);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+        $httpheader[] = "Accept: */*";
+        $httpheader[] = "Accept-Language: zh-CN,zh;q=0.8";
+        $httpheader[] = "Connection: close";
+        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36');
+        curl_setopt($ch, CURLOPT_HEADER, true);
+        curl_setopt($ch, CURLOPT_NOBODY, true);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
+        curl_setopt($ch, CURLOPT_TIMEOUT, 5);
+        $data = curl_exec($ch);
+        $errno = curl_errno($ch);
+		if ($errno) {
+			$msg = '短网址还原失败:' . curl_error($ch);
+			return msg('error',$msg);
+		}
+        $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+		curl_close($ch);
+
+        if($httpcode >= 300 && $httpcode < 400){
+            preg_match("/location:(.*?)\r\n/i", $data, $match);
+            if(isset($match[1])){
+                $longurl = trim($match[1]);
+                return msg('ok','success',$longurl);
+            }
+        }
+        return msg('error','短网址还原失败('.$httpcode.')');
+    }
+
+}