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Insert "Anonymize IP" functionality

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This commit is contained in:
Garvin Hicking 2018-04-03 10:29:42 +02:00
parent 885c22ac7d
commit 3b99cca6c4
3 changed files with 98 additions and 4 deletions
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5
serendipity_event_dsgvo_gdpr/lang_en.inc.php
View file

@ -118,4 +118,7 @@ Certain plugins can use the session cookie to store additional temporary data.</
<p>Additionally, the following plugins are currently enabled and this is their automatically generated manifest:</p>
');
');
@define('PLUGIN_EVENT_DSGVO_GDPR_ANONYMIZE', 'Anonymize IPs?');
@define('PLUGIN_EVENT_DSGVO_GDPR_ANONYMIZE_DESC', 'If enabled, the last parts of the IP address (ipv4 and ipv6) will be replaced with "0". This means, all places where serendipity saves or utilizes the IP address of the visitor (also for anti-spam methods) the recorded IP will not be the actual IP of the user. In case of abuse, you will not be able to tell the actual IP used for a comment, for example.');

95
serendipity_event_dsgvo_gdpr/serendipity_event_dsgvo_gdpr.php
View file

@ -38,12 +38,13 @@ class serendipity_event_dsgvo_gdpr extends serendipity_event
'entry_display' => true,
'genpage' => true,
'frontend_footer' => true,
'frontend_configure' => true,
'css' => true
)
);
$propbag->add('configuration', array('commentform_checkbox', 'commentform_text', 'gdpr_url', 'gdpr_info', 'gdpr_content', 'show_in_footer', 'show_in_footer_text', 'cookie_consent', 'cookie_consent_text', 'cookie_consent_path'));
$propbag->add('configuration', array('commentform_checkbox', 'commentform_text', 'gdpr_url', 'gdpr_info', 'gdpr_content', 'show_in_footer', 'show_in_footer_text', 'cookie_consent', 'cookie_consent_text', 'cookie_consent_path', 'anonymizeIp'));
$propbag->add('config_groups', array(
PLUGIN_EVENT_DSGVO_GDPR_MENU => array('gdpr_url', 'gdpr_info', 'gdpr_content'),
PLUGIN_EVENT_DSGVO_GDPR_COOKIE_MENU => array('cookie_consent', 'cookie_consent_text', 'cookie_consent_path')
@ -87,6 +88,13 @@ class serendipity_event_dsgvo_gdpr extends serendipity_event
$propbag->add('default', 'true');
break;
case 'anonymizeIp':
$propbag->add('type','boolean');
$propbag->add('name', PLUGIN_EVENT_DSGVO_GDPR_ANONYMIZE);
$propbag->add('description', PLUGIN_EVENT_DSGVO_GDPR_ANONYMIZE_DESC);
$propbag->add('default', 'true');
break;
case 'show_in_footer':
$propbag->add('type','boolean');
$propbag->add('name', PLUGIN_EVENT_DSGVO_GDPR_SHOW_IN_FOOTER);
@ -259,6 +267,13 @@ class serendipity_event_dsgvo_gdpr extends serendipity_event
if (isset($hooks[$event])) {
switch($event) {
case 'frontend_configure':
if (serendipity_db_bool($this->get_config('anonymizeIp'))) {
$_SERVER['REMOTE_ADDR'] = IpAnonymizer::anonymizeIp($_SERVER['REMOTE_ADDR']);
}
return true;
break;
case 'frontend_saveComment':
if (serendipity_db_bool($this->get_config('commentform_checkbox'))) {
if ($addData['type'] == 'NORMAL') {
@ -354,4 +369,82 @@ class serendipity_event_dsgvo_gdpr extends serendipity_event
}
}
/*
https://github.com/geertw/php-ip-anonymizer/blob/master/LICENSE
MIT License
Copyright (c) 2016 Geert Wirken
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
class IpAnonymizer {
/**
* @var string IPv4 netmask used to anonymize IPv4 address.
*/
public $ipv4NetMask = "255.255.255.0";
/**
* @var string IPv6 netmask used to anonymize IPv6 address.
*/
public $ipv6NetMask = "ffff:ffff:ffff:ffff:0000:0000:0000:0000";
/**
* Anonymize an IPv4 or IPv6 address.
*
* @param $address string IP address that must be anonymized
* @return string The anonymized IP address. Returns an empty string when the IP address is invalid.
*/
public static function anonymizeIp($address) {
$anonymizer = new IpAnonymizer();
return $anonymizer->anonymize($address);
}
/**
* Anonymize an IPv4 or IPv6 address.
*
* @param $address string IP address that must be anonymized
* @return string The anonymized IP address. Returns an empty string when the IP address is invalid.
*/
public function anonymize($address) {
$packedAddress = inet_pton($address);
if (strlen($packedAddress) == 4) {
return $this->anonymizeIPv4($address);
} elseif (strlen($packedAddress) == 16) {
return $this->anonymizeIPv6($address);
} else {
return "";
}
}
/**
* Anonymize an IPv4 address
* @param $address string IPv4 address
* @return string Anonymized address
*/
public function anonymizeIPv4($address) {
return inet_ntop(inet_pton($address) & inet_pton($this->ipv4NetMask));
}
/**
* Anonymize an IPv6 address
* @param $address string IPv6 address
* @return string Anonymized address
*/
public function anonymizeIPv6($address) {
return inet_ntop(inet_pton($address) & inet_pton($this->ipv6NetMask));
}
}
/* vim: set sts=4 ts=4 expandtab : */

2
serendipity_event_dsgvo_gdpr/todo.txt
View file

@ -6,8 +6,6 @@ serendipity_request (oder so)
_session
remote_addr
* Config option to anonymize IPs (simply write $_SERVER['REMOTE_ADDR'] to something else)
* Patch s9y core: Emit warning when the plugin is not installed. Allow user to remove that warning if he doesnt want the plugin.
* Patch s9y core: Create config option that prevents session_start() on the frontend [if possible]