From ee1a930affa4d84e028a17f4cd2636f25350f9f1 Mon Sep 17 00:00:00 2001
From: dnomd343 <i@343.re>
Date: Mon, 25 Oct 2021 12:12:04 +0800
Subject: [PATCH] fix: ignore invalid data for ipip.net

---
 backend/getInfo.php |  2 +-
 backend/ipip.php    | 11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/backend/getInfo.php b/backend/getInfo.php
index a934c1f..6f107a7 100644
--- a/backend/getInfo.php
+++ b/backend/getInfo.php
@@ -128,4 +128,4 @@ function getVersion() { // 获取自身及数据库版本号
     return $version;
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/backend/ipip.php b/backend/ipip.php
index 0de3bfd..e185e54 100644
--- a/backend/ipip.php
+++ b/backend/ipip.php
@@ -43,7 +43,14 @@ class IPDB {
         if ($node <= 0) {
             return NULL;
         }
-        return explode("\t", $this->getData($node));
+        $data = explode("\t", $this->getData($node));
+        foreach ($data as &$field) {
+            $field = trim($field);
+        }
+        if ($data[1] === '中国' && $data[2] === '中国') {
+            $data[1] = $data[2] = '';
+        }
+        return $data;
     }
 
     private function getNode($ip) { // 获取节点编号
@@ -93,4 +100,4 @@ class IPDB {
     }
 }
 
-?>
\ No newline at end of file
+?>