[TASK] Use TYPO3 IpAnonymizationUtility

Related TYPO3-Solr#3262
dkd-kaehm · Oct 4, 2022 · 09741ef · 09741ef
1 parent b9871ef
commit 09741ef
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Showing 2 changed files with 3 additions and 60 deletions.
diff --git a/Classes/Domain/Search/Statistics/StatisticsWriterProcessor.php b/Classes/Domain/Search/Statistics/StatisticsWriterProcessor.php
@@ -21,11 +21,10 @@
 use ApacheSolrForTypo3\Solr\Domain\Site\SiteRepository;
 use ApacheSolrForTypo3\Solr\HtmlContentExtractor;
 use ApacheSolrForTypo3\Solr\Util;
-use function inet_pton;
-use function pack;
 use TYPO3\CMS\Core\Context\Context;
 use TYPO3\CMS\Core\Context\Exception\AspectNotFoundException;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Core\Utility\IpAnonymizationUtility;
 use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
 
 /**
@@ -99,7 +98,7 @@ public function process(SearchResultSet $resultSet): SearchResultSet
             'time_processing' => $response->debug->timing->process->time ?? 0,
             'feuser_id' => isset($TSFE->fe_user->user) ? (int)$TSFE->fe_user->user['uid'] ?? 0 : 0,
             'cookie' => $TSFE->fe_user->id ?? '',
-            'ip' => $this->applyIpMask($this->getUserIp(), $ipMaskLength),
+            'ip' => IpAnonymizationUtility::anonymizeIp($this->getUserIp(), $ipMaskLength),
             'page' => $page,
             'keywords' => $keywords,
             'filters' => serialize($filters),
@@ -146,62 +145,6 @@ protected function sanitizeString(string $string): string
         return trim($string);
     }
 
-    /**
-     * Internal function to mask portions of the visitor IP address
-     *
-     * @param string $ip IP address in network address format
-     * @param int $maskLength Number of octets to reset
-     * @return string
-     */
-    protected function applyIpMask(string $ip, int $maskLength): string
-    {
-        if (empty($ip) || $maskLength === 0) {
-            return $ip;
-        }
-
-        // IPv4 or mapped IPv4 in IPv6
-        if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
-            return $this->applyIpV4Mask($ip, $maskLength);
-        }
-
-        return $this->applyIpV6Mask($ip, $maskLength);
-    }
-
-    /**
-     * Apply a mask filter on the ip v4 address.
-     *
-     * @param string $ip
-     * @param int $maskLength
-     * @return string
-     */
-    protected function applyIpV4Mask(string $ip, int $maskLength): string
-    {
-        $i = strlen($ip);
-        if ($maskLength > $i) {
-            $maskLength = $i;
-        }
-
-        while ($maskLength-- > 0) {
-            $ip[--$i] = chr(0);
-        }
-        return $ip;
-    }
-
-    /**
-     * Apply a mask filter on the ip v6 address.
-     *
-     * @param string $ip
-     * @param int $maskLength
-     * @return string
-     */
-    protected function applyIpV6Mask(string $ip, int $maskLength): string
-    {
-        $masks = ['ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff', 'ffff:ffff:ffff:ffff::', 'ffff:ffff:ffff:0000::', 'ffff:ff00:0000:0000::'];
-        $packedAddress = inet_pton($masks[$maskLength]);
-        $binaryString = pack('a16', $packedAddress);
-        return (string)($ip & $binaryString);
-    }
-
     /**
      * @return TypoScriptFrontendController
      */

diff --git a/Documentation/Configuration/Reference/TxSolrStatistics.rst b/Documentation/Configuration/Reference/TxSolrStatistics.rst
@@ -29,7 +29,7 @@ statistics.anonymizeIP
 :Since: 2.0
 :Default: 0
 
-Defines the number of octets of the IP address to anonymize in the statistics log records.
+Allowed values are 0 (masking disabled), 1 (mask host), 2 (mask host and subnet).
 
 statistics.addDebugData
 -----------------------