friendica-addons/nitter/nitter.php

78 lines
3.1 KiB
PHP

<?php
/*
* Name: nitter
* Description: Replaces links to twitter.com to a nitter server in all displays of postings on a node.
* Version: 2.0
* Author: Tobias Diekershoff <tobias@social.diekershoff.de>
*
* Copyright (c) 2020 Tobias Diekershoff
*
* 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.
*/
use Friendica\App;
use Friendica\Core\Hook;
use Friendica\Core\Renderer;
use Friendica\DI;
function nitter_install()
{
Hook::register('prepare_body_final', 'addon/nitter/nitter.php', 'nitter_render');
}
/* Handle the send data from the admin settings
*/
function nitter_addon_admin_post(App $a)
{
$nitterserver = rtrim(trim($_POST['nitterserver']),'/');
DI::config()->set('nitter', 'server', $nitterserver);
}
/* Hook into the admin settings to let the admin choose a
* nitter server to use for the replacement.
*/
function nitter_addon_admin(App $a, &$o)
{
$nitterserver = DI::config()->get('nitter', 'server');
$t = Renderer::getMarkupTemplate('admin.tpl', 'addon/nitter/');
$o = Renderer::replaceMacros($t, [
'$settingdescription' => DI::l10n()->t('Which nitter server shall be used for the replacements in the post bodies? Use the URL with servername and protocol. See %s for a list of available public Nitter servers.', 'https://github.com/zedeus/nitter/wiki/Instances'),
'$nitterserver' => ['nitterserver', DI::l10n()->t('Nitter server'), $nitterserver, 'http://example.com'],
'$submit' => DI::l10n()->t('Save Settings'),
]);
}
/*
* replace "twitter.com" with "nitter.net"
*/
function nitter_render(&$a, &$o)
{
// this needs to be a system setting
$replaced = false;
$nitter = DI::config()->get('nitter', 'server', 'https://nitter.net');
if (strstr($o['html'], 'https://mobile.twitter.com')) {
$o['html'] = str_replace('https://mobile.twitter.com', $nitter, $o['html']);
$replaced = true;
}
if (strstr($o['html'], 'https://twitter.com')) {
$o['html'] = str_replace('https://twitter.com', $nitter, $o['html']);
$replaced = true;
}
if ($replaced) {
$o['html'] .= '<hr><p>' . DI::l10n()->t('In an attempt to protect your privacy, links to Twitter in this posting were replaced by links to the Nitter instance at %s', $nitter) . '</p>';
}
}