Merge pull request #13 from mrikirill/feature-ipv6-support

ipv6 support

Author: mrikirill

cloudflare.php

@@ -27,9 +27,9 @@ function __construct($argv)
 
         $this->apiKey = (string) $argv[2]; // CF Global API Key
         $hostname = (string) $argv[3]; // example: example.com.uk---sundomain.example1.com---example2.com
-        $this->ip = (string) $argv[4];
+        $this->ip = (string) $this->getIpAddressIpify();
 
-        $this->validateIpV4($this->ip);
+        $this->validateIp($this->ip);
 
         $arHost = explode('---', $hostname);
         if (empty($arHost)) {
@@ -61,9 +61,9 @@ function makeUpdateDNS()
             $this->badParam('empty host list');
         }
 
-        foreach ($this->hostList as $arHost) {
+        foreach ($this->hostList as $arHost) {            
             $post = [
-                'type' => 'A',
+                'type' => $this->getZoneTypeByIp($this->ip),
                 'name' => $arHost['fullname'],
                 'content' => $this->ip,
                 'ttl' => 1,
@@ -85,13 +85,30 @@ function badParam($msg = '')
         exit();
     }
 
-    function validateIpV4($ip)
+    function validateIp($ip)
     {
-        if (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
-            $this->badParam('invalid ip-address, only ipv4');
+        if (!filter_var($ip, FILTER_VALIDATE_IP)) {
+            $this->badParam('invalid ip-address');
         }
         return true;
     }
+    /*
+    * get ip from ipify.org
+    */
+    function getIpAddressIpify() {
+        return file_get_contents('https://api64.ipify.org');
+    }
+
+    /*
+    * IPv4 = zone A, IPv6 = zone AAAA
+    * @link https://www.cloudflare.com/en-au/learning/dns/dns-records/dns-a-record/
+    */
+    function getZoneTypeByIp($ip) {
+        if(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
+            return 'AAAA';
+        }
+        return 'A';        
+    }
 
     /**
      * Set ZoneID for each hosts