mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-12-05 03:23:17 +00:00
178 lines
4.2 KiB
PHP
178 lines
4.2 KiB
PHP
<?php
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/**
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* Name: Leistungsschutzrecht
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* Description: Only useful in germany: Remove data from snippets from members of the VG Media
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* Version: 0.1
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* Author: Michael Vogel <https://pirati.ca/profile/heluecht>
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*/
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use Friendica\App;
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\DI;
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function leistungsschutzrecht_install()
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{
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Hook::register('cron', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_cron');
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Hook::register('getsiteinfo', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_getsiteinfo');
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Hook::register('page_info_data', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_getsiteinfo');
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}
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function leistungsschutzrecht_getsiteinfo(array &$siteinfo) {
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if (!isset($siteinfo['url']) || empty($siteinfo['type'])) {
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return;
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}
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// Avoid any third party pictures, to avoid copyright issues
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if (!in_array($siteinfo['type'], ['photo', 'video']) && DI::config()->get('leistungsschutzrecht', 'suppress_photos', false)) {
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unset($siteinfo['image']);
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unset($siteinfo['images']);
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}
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if (!leistungsschutzrecht_is_member_site($siteinfo['url'])) {
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return;
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}
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if (!empty($siteinfo['text'])) {
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$siteinfo['text'] = leistungsschutzrecht_cuttext($siteinfo['text']);
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}
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unset($siteinfo['keywords']);
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}
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function leistungsschutzrecht_cuttext(string $text): string
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{
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$text = str_replace(["\r", "\n"], [' ', ' '], $text);
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do {
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$oldtext = $text;
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$text = str_replace(' ', ' ', $text);
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} while ($oldtext != $text);
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$words = explode(' ', $text);
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$text = '';
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$count = 0;
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$limit = 7;
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foreach ($words as $word) {
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if ($text != '') {
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$text .= ' ';
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}
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$text .= $word;
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if (++$count >= $limit) {
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if (sizeof($words) > $limit) {
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$text .= ' ...';
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}
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break;
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}
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}
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return $text;
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}
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function leistungsschutzrecht_fetchsites()
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{
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// This list works - but question is how current it is
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$url = 'https://leistungsschutzrecht-stoppen.d-64.org/blacklist.txt';
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$sitelist = DI::httpClient()->fetch($url);
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$siteurls = explode(',', $sitelist);
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$whitelist = ['tagesschau.de', 'heute.de', 'wdr.de'];
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$sites = [];
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foreach ($siteurls as $site) {
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if (!in_array($site, $whitelist)) {
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$sites[$site] = $site;
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}
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}
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// I would prefer parsing the list from the original site, but I haven't found a list.
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// The following stays here to possibly reenable it in the future without having to reinvent the wheel completely.
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/*
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$sites = array();
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$url = "http://www.vg-media.de/lizenzen/digitale-verlegerische-angebote/wahrnehmungsberechtigte-digitale-verlegerische-angebote.html";
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$site = Network::fetchUrl($url);
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$doc = new DOMDocument();
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@$doc->loadHTML($site);
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$xpath = new DomXPath($doc);
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$list = $xpath->query("//td/a");
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foreach ($list as $node) {
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$attr = array();
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if ($node->attributes->length)
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foreach ($node->attributes as $attribute)
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$attr[$attribute->name] = $attribute->value;
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if (isset($attr["href"])) {
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$urldata = parse_url($attr["href"]);
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if (isset($urldata["host"]) && !isset($urldata["path"])) {
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$cleanedurlpart = explode("%", $urldata["host"]);
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$hostname = explode(".", $cleanedurlpart[0]);
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$site = $hostname[sizeof($hostname) - 2].".".$hostname[sizeof($hostname) - 1];
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$sites[$site] = $site;
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}
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}
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}
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*/
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if (sizeof($sites)) {
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DI::config()->set('leistungsschutzrecht', 'sites',$sites);
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}
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}
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function leistungsschutzrecht_is_member_site(string $url): bool
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{
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$sites = DI::config()->get('leistungsschutzrecht', 'sites');
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if ($sites == '') {
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return false;
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}
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if (sizeof($sites) == 0) {
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return false;
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}
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$urldata = parse_url($url);
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if (!isset($urldata['host'])) {
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return false;
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}
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$cleanedurlpart = explode('%', $urldata['host']);
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$hostname = explode('.', $cleanedurlpart[0]);
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if (empty($hostname)) {
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return false;
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}
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if (count($hostname) <= 2) {
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return false;
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}
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$site = $hostname[sizeof($hostname) - 2] . '.' . $hostname[sizeof($hostname) - 1];
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return isset($sites[$site]);
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}
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function leistungsschutzrecht_cron($b)
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{
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$last = DI::keyValue()->get('leistungsschutzrecht_last_poll');
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if ($last) {
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$next = $last + 86400;
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if ($next > time()) {
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Logger::notice('poll intervall not reached');
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return;
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}
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}
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leistungsschutzrecht_fetchsites();
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DI::keyValue()->set('leistungsschutzrecht_last_poll', time());
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}
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