159 lines
4.2 KiB
PHP
159 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\Core\Config;
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function leistungsschutzrecht_install() {
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register_hook('cron', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_cron');
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register_hook('getsiteinfo', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_getsiteinfo');
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register_hook('page_info_data', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_getsiteinfo');
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}
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function leistungsschutzrecht_uninstall() {
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unregister_hook('cron', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_cron');
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unregister_hook('getsiteinfo', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_getsiteinfo');
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unregister_hook('page_info_data', 'addon/leistungsschutzrecht/leistungsschutzrecht.php', 'leistungsschutzrecht_getsiteinfo');
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}
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function leistungsschutzrecht_getsiteinfo($a, &$siteinfo) {
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if (!isset($siteinfo["url"]))
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return;
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if (!leistungsschutzrecht_is_member_site($siteinfo["url"]))
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return;
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//$siteinfo["title"] = $siteinfo["url"];
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$siteinfo["text"] = leistungsschutzrecht_cuttext($siteinfo["text"]);
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unset($siteinfo["image"]);
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unset($siteinfo["images"]);
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unset($siteinfo["keywords"]);
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}
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function leistungsschutzrecht_cuttext($text) {
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$text = str_replace(array("\r", "\n"), array(" ", " "), $text);
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do {
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$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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$text .= " ";
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$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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break;
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}
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}
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return $text;
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}
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function leistungsschutzrecht_fetchsites() {
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require_once("include/network.php");
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// This list works - but question is how current it is
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$url = "http://leistungsschutzrecht-stoppen.d-64.org/blacklist.txt";
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$sitelist = fetch_url($url);
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$siteurls = explode(',', $sitelist);
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$whitelist = array('tagesschau.de', 'heute.de', 'wdr.de');
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$sites = array();
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foreach ($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 = fetch_url($url);
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$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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Config::set('leistungsschutzrecht','sites',$sites);
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}
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}
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function leistungsschutzrecht_is_member_site($url) {
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$sites = Config::get('leistungsschutzrecht','sites');
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if ($sites == "")
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return(false);
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if (sizeof($sites) == 0)
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return(false);
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$urldata = parse_url($url);
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if (!isset($urldata["host"]))
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return(false);
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$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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return (isset($sites[$site]));
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}
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function leistungsschutzrecht_cron($a,$b) {
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$last = Config::get('leistungsschutzrecht','last_poll');
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if($last) {
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$next = $last + 86400;
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if($next > time()) {
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logger('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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Config::set('leistungsschutzrecht','last_poll', time());
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}
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?>
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