Official Addons for the Friendica Communications Platform. (please note that this is a clone of the repository at github, issues are handled there)
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<?php
/**
* Name: Leistungsschutzrecht
* Description: Only useful in germany: Remove data from snippets from members of the VG Media
* Version: 0.1
* Author: Michael Vogel <https://pirati.ca/profile/heluecht>
*/
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\DI;
function leistungsschutzrecht_install() {
Hook::register('cron', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_cron');
Hook::register('getsiteinfo', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_getsiteinfo');
Hook::register('page_info_data', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_getsiteinfo');
}
function leistungsschutzrecht_getsiteinfo($a, &$siteinfo) {
if (!isset($siteinfo["url"]) || empty($siteinfo['type'])) {
return;
}
// Avoid any third party pictures, to avoid copyright issues
if (!in_array($siteinfo['type'], ['photo', 'video']) && DI::config()->get('leistungsschutzrecht', 'suppress_photos', false)) {
unset($siteinfo["image"]);
unset($siteinfo["images"]);
}
if (!leistungsschutzrecht_is_member_site($siteinfo["url"])) {
return;
}
if (!empty($siteinfo["text"])) {
$siteinfo["text"] = leistungsschutzrecht_cuttext($siteinfo["text"]);
}
unset($siteinfo["keywords"]);
}
function leistungsschutzrecht_cuttext($text) {
$text = str_replace(["\r", "\n"], [" ", " "], $text);
do {
$oldtext = $text;
$text = str_replace(" ", " ", $text);
} while ($oldtext != $text);
$words = explode(" ", $text);
$text = "";
$count = 0;
$limit = 7;
foreach ($words as $word) {
if ($text != "")
$text .= " ";
$text .= $word;
if (++$count >= $limit) {
if (sizeof($words) > $limit)
$text .= " ...";
break;
}
}
return $text;
}
function leistungsschutzrecht_fetchsites()
{
// This list works - but question is how current it is
$url = "http://leistungsschutzrecht-stoppen.d-64.org/blacklist.txt";
$sitelist = DI::httpRequest()->fetch($url);
$siteurls = explode(',', $sitelist);
$whitelist = ['tagesschau.de', 'heute.de', 'wdr.de'];
$sites = [];
foreach ($siteurls as $site) {
if (!in_array($site, $whitelist)) {
$sites[$site] = $site;
}
}
// I would prefer parsing the list from the original site, but I haven't found a list.
// The following stays here to possibly reenable it in the future without having to reinvent the wheel completely.
/*
$sites = array();
$url = "http://www.vg-media.de/lizenzen/digitale-verlegerische-angebote/wahrnehmungsberechtigte-digitale-verlegerische-angebote.html";
$site = Network::fetchUrl($url);
$doc = new DOMDocument();
@$doc->loadHTML($site);
$xpath = new DomXPath($doc);
$list = $xpath->query("//td/a");
foreach ($list as $node) {
$attr = array();
if ($node->attributes->length)
foreach ($node->attributes as $attribute)
$attr[$attribute->name] = $attribute->value;
if (isset($attr["href"])) {
$urldata = parse_url($attr["href"]);
if (isset($urldata["host"]) && !isset($urldata["path"])) {
$cleanedurlpart = explode("%", $urldata["host"]);
$hostname = explode(".", $cleanedurlpart[0]);
$site = $hostname[sizeof($hostname) - 2].".".$hostname[sizeof($hostname) - 1];
$sites[$site] = $site;
}
}
}
*/
if (sizeof($sites)) {
DI::config()->set('leistungsschutzrecht','sites',$sites);
}
}
function leistungsschutzrecht_is_member_site($url) {
$sites = DI::config()->get('leistungsschutzrecht','sites');
if ($sites == "")
return(false);
if (sizeof($sites) == 0)
return(false);
$urldata = parse_url($url);
if (!isset($urldata["host"]))
return(false);
$cleanedurlpart = explode("%", $urldata["host"]);
$hostname = explode(".", $cleanedurlpart[0]);
if (empty($hostname)) {
return false;
}
if (count($hostname) <= 2) {
return false;
}
$site = $hostname[sizeof($hostname) - 2].".".$hostname[sizeof($hostname) - 1];
return (isset($sites[$site]));
}
function leistungsschutzrecht_cron($a,$b) {
$last = DI::config()->get('leistungsschutzrecht','last_poll');
if($last) {
$next = $last + 86400;
if($next > time()) {
Logger::log('poll intervall not reached');
return;
}
}
leistungsschutzrecht_fetchsites();
DI::config()->set('leistungsschutzrecht','last_poll', time());
}
?>