From 8ca6cc32b2c789a3149861159ad258f2cb9491e3 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 14:39:39 +0200
Subject: Adding upstream version 2.11.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 library/vendor/Zend/Validate/Ip.php | 190 ++++++++++++++++++++++++++++++++++++
 1 file changed, 190 insertions(+)
 create mode 100644 library/vendor/Zend/Validate/Ip.php

(limited to 'library/vendor/Zend/Validate/Ip.php')

diff --git a/library/vendor/Zend/Validate/Ip.php b/library/vendor/Zend/Validate/Ip.php
new file mode 100644
index 0000000..1195ec7
--- /dev/null
+++ b/library/vendor/Zend/Validate/Ip.php
@@ -0,0 +1,190 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Validate_Abstract
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_Ip extends Zend_Validate_Abstract
+{
+    const INVALID        = 'ipInvalid';
+    const NOT_IP_ADDRESS = 'notIpAddress';
+
+    /**
+     * @var array
+     */
+    protected $_messageTemplates = array(
+        self::INVALID        => "Invalid type given. String expected",
+        self::NOT_IP_ADDRESS => "'%value%' does not appear to be a valid IP address",
+    );
+
+    /**
+     * internal options
+     *
+     * @var array
+     */
+    protected $_options = array(
+        'allowipv6' => true,
+        'allowipv4' => true
+    );
+
+    /**
+     * Sets validator options
+     *
+     * @param array $options OPTIONAL Options to set, see the manual for all available options
+     */
+    public function __construct($options = array())
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } else if (!is_array($options)) {
+            $options = func_get_args();
+            $temp['allowipv6'] = array_shift($options);
+            if (!empty($options)) {
+                $temp['allowipv4'] = array_shift($options);
+            }
+
+            $options = $temp;
+        }
+
+        $options += $this->_options;
+        $this->setOptions($options);
+    }
+
+    /**
+     * Returns all set options
+     *
+     * @return array
+     */
+    public function getOptions()
+    {
+        return $this->_options;
+    }
+
+    /**
+     * Sets the options for this validator
+     *
+     * @param array $options
+     * @throws Zend_Validate_Exception
+     * @return Zend_Validate_Ip
+     */
+    public function setOptions($options)
+    {
+        if (array_key_exists('allowipv6', $options)) {
+            $this->_options['allowipv6'] = (boolean) $options['allowipv6'];
+        }
+
+        if (array_key_exists('allowipv4', $options)) {
+            $this->_options['allowipv4'] = (boolean) $options['allowipv4'];
+        }
+
+        if (!$this->_options['allowipv4'] && !$this->_options['allowipv6']) {
+            throw new Zend_Validate_Exception('Nothing to validate. Check your options');
+        }
+
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Validate_Interface
+     *
+     * Returns true if and only if $value is a valid IP address
+     *
+     * @param  mixed $value
+     * @return boolean
+     */
+    public function isValid($value)
+    {
+        if (!is_string($value)) {
+            $this->_error(self::INVALID);
+            return false;
+        }
+
+        $this->_setValue($value);
+        if (($this->_options['allowipv4'] && !$this->_options['allowipv6'] && !$this->_validateIPv4($value)) ||
+            (!$this->_options['allowipv4'] && $this->_options['allowipv6'] && !$this->_validateIPv6($value)) ||
+            ($this->_options['allowipv4'] && $this->_options['allowipv6'] && !$this->_validateIPv4($value) && !$this->_validateIPv6($value))) {
+            $this->_error(self::NOT_IP_ADDRESS);
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Validates an IPv4 address
+     *
+     * @param string $value
+     * @return bool
+     */
+    protected function _validateIPv4($value) {
+        $ip2long = ip2long($value);
+        if($ip2long === false) {
+            return false;
+        }
+
+        return $value == long2ip($ip2long);
+    }
+
+    /**
+     * Validates an IPv6 address
+     *
+     * @param  string $value Value to check against
+     * @return boolean True when $value is a valid ipv6 address
+     *                 False otherwise
+     */
+    protected function _validateIPv6($value) {
+        if (strlen($value) < 3) {
+            return $value == '::';
+        }
+
+        if (strpos($value, '.')) {
+            $lastcolon = strrpos($value, ':');
+            if (!($lastcolon && $this->_validateIPv4(substr($value, $lastcolon + 1)))) {
+                return false;
+            }
+
+            $value = substr($value, 0, $lastcolon) . ':0:0';
+        }
+
+        if (strpos($value, '::') === false) {
+            return preg_match('/\A(?:[a-f0-9]{1,4}:){7}[a-f0-9]{1,4}\z/i', $value);
+        }
+
+        $colonCount = substr_count($value, ':');
+        if ($colonCount < 8) {
+            return preg_match('/\A(?::|(?:[a-f0-9]{1,4}:)+):(?:(?:[a-f0-9]{1,4}:)*[a-f0-9]{1,4})?\z/i', $value);
+        }
+
+        // special case with ending or starting double colon
+        if ($colonCount == 8) {
+            return preg_match('/\A(?:::)?(?:[a-f0-9]{1,4}:){6}[a-f0-9]{1,4}(?:::)?\z/i', $value);
+        }
+
+        return false;
+    }
+}
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