fix: ignore invalid data for ipip.net

3 years ago · ee1a930aff
2 changed files with 10 additions and 3 deletions
--- 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