friendica-addons/nsfw/nsfw.php

171 lines
5.5 KiB
PHP
Raw Normal View History

2011-10-05 11:20:17 +02:00
<?php
/**
* Name: NSFW
* Description: Collapse posts with inappropriate content
* Version: 1.0
* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
2018-01-15 14:15:33 +01:00
*
2011-10-05 11:20:17 +02:00
*/
use Friendica\Core\Addon;
2018-01-22 20:03:11 +01:00
use Friendica\Core\L10n;
use Friendica\Core\PConfig;
2018-01-22 20:03:11 +01:00
function nsfw_install()
{
Addon::registerHook('prepare_body', 'addon/nsfw/nsfw.php', 'nsfw_prepare_body', 10);
Addon::registerHook('addon_settings', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings');
Addon::registerHook('addon_settings_post', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings_post');
2011-10-05 11:20:17 +02:00
}
2018-01-22 20:03:11 +01:00
function nsfw_uninstall()
{
Addon::unregisterHook('prepare_body', 'addon/nsfw/nsfw.php', 'nsfw_prepare_body');
Addon::unregisterHook('addon_settings', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings');
Addon::unregisterHook('addon_settings_post', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings_post');
2011-10-14 05:53:24 +02:00
}
2018-01-15 14:15:33 +01:00
// This function isn't perfect and isn't trying to preserve the html structure - it's just a
// quick and dirty filter to pull out embedded photo blobs because 'nsfw' seems to come up
// inside them quite often. We don't need anything fancy, just pull out the data blob so we can
2018-01-15 14:15:33 +01:00
// check against the rest of the body.
2018-01-22 20:03:11 +01:00
function nsfw_extract_photos($body)
{
$new_body = '';
2018-01-15 14:15:33 +01:00
2018-03-15 09:44:00 +01:00
$img_start = strpos($body,'src="data:');
$img_end = (($img_start !== false) ? strpos(substr($body,$img_start),'>') : false);
$cnt = 0;
while($img_end !== false) {
$img_end += $img_start;
2018-03-15 09:44:00 +01:00
$new_body = $new_body . substr($body,0,$img_start);
2018-01-15 14:15:33 +01:00
$cnt ++;
2018-03-15 09:44:00 +01:00
$body = substr($body,0,$img_end);
2018-03-15 09:44:00 +01:00
$img_start = strpos($body,'src="data:');
$img_end = (($img_start !== false) ? strpos(substr($body,$img_start),'>') : false);
}
2018-03-15 09:44:00 +01:00
if(! $cnt)
return $body;
2018-03-15 09:44:00 +01:00
return $new_body;
}
2011-10-14 05:53:24 +02:00
2018-03-15 09:44:00 +01:00
function nsfw_addon_settings(&$a,&$s) {
if(! local_user())
2011-10-14 05:53:24 +02:00
return;
2018-03-15 09:44:00 +01:00
/* Add our stylesheet to the page so we can make our settings look nice */
2011-10-14 05:53:24 +02:00
2018-03-15 09:44:00 +01:00
$a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/nsfw/nsfw.css' . '" media="all" />' . "\r\n";
2011-10-14 05:53:24 +02:00
2018-03-15 09:44:00 +01:00
$enable_checked = (intval(PConfig::get(local_user(),'nsfw','disable')) ? '' : ' checked="checked" ');
$words = PConfig::get(local_user(),'nsfw','words');
if(! $words)
2011-10-14 05:53:24 +02:00
$words = 'nsfw,';
2018-03-15 09:44:00 +01:00
$s .= '<span id="settings_nsfw_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_nsfw_expanded\'); openClose(\'settings_nsfw_inflated\');">';
2018-03-15 09:47:51 +01:00
$s .= '<h3>' . L10n::t('Content Filter (NSFW tag and more)') . '</h3>';
2018-03-15 09:44:00 +01:00
$s .= '</span>';
$s .= '<div id="settings_nsfw_expanded" class="settings-block" style="display: none;">';
$s .= '<span class="fakelink" onclick="openClose(\'settings_nsfw_expanded\'); openClose(\'settings_nsfw_inflated\');">';
2018-03-15 09:47:51 +01:00
$s .= '<h3>' . L10n::t('Content Filter (NSFW tag and more)') . '</h3>';
2018-03-15 09:44:00 +01:00
$s .= '</span>';
$s .= '<div id="nsfw-wrapper">';
$s .= '<p>' . L10n::t('This addon searches for specified words/text in posts and collapses them. It can be used to filter content tagged with for instance #NSFW that may be deemed inappropriate at certain times or places, such as being at work. It is also useful for hiding irrelevant or annoying content from direct view.') . '</p>';
$s .= '<label id="nsfw-enable-label" for="nsfw-enable">' . L10n::t('Enable Content filter') . ' </label>';
$s .= '<input id="nsfw-enable" type="checkbox" name="nsfw-enable" value="1"' . $enable_checked . ' />';
$s .= '<div class="clear"></div>';
2018-03-15 09:44:00 +01:00
$s .= '<label id="nsfw-label" for="nsfw-words">' . L10n::t('Comma separated list of keywords to hide') . ' </label>';
$s .= '<textarea id="nsfw-words" type="text" name="nsfw-words">' . $words .'</textarea>';
$s .= '</div><div class="clear"></div>';
2011-10-14 05:53:24 +02:00
2018-03-15 09:44:00 +01:00
$s .= '<div class="settings-submit-wrapper" ><input type="submit" id="nsfw-submit" name="nsfw-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
2018-01-22 20:03:11 +01:00
$s .= '<div class="nsfw-desc">' . L10n::t('Use /expression/ to provide regular expressions') . '</div></div>';
2018-03-15 09:44:00 +01:00
2011-10-14 05:53:24 +02:00
return;
2018-03-15 09:44:00 +01:00
2011-10-14 05:53:24 +02:00
}
2018-03-15 09:44:00 +01:00
function nsfw_addon_settings_post(&$a,&$b) {
if(! local_user())
2011-10-14 05:53:24 +02:00
return;
2018-03-15 09:44:00 +01:00
if($_POST['nsfw-submit']) {
PConfig::set(local_user(),'nsfw','words',trim($_POST['nsfw-words']));
$enable = ((x($_POST,'nsfw-enable')) ? intval($_POST['nsfw-enable']) : 0);
$disable = 1-$enable;
2018-03-15 09:44:00 +01:00
PConfig::set(local_user(),'nsfw','disable', $disable);
2018-01-22 20:03:11 +01:00
info(L10n::t('NSFW Settings saved.') . EOL);
2011-10-14 05:53:24 +02:00
}
2011-10-05 11:20:17 +02:00
}
2018-03-15 09:44:00 +01:00
function nsfw_prepare_body(&$a,&$b) {
2011-10-14 05:53:24 +02:00
$words = null;
2018-03-15 09:44:00 +01:00
if(PConfig::get(local_user(),'nsfw','disable'))
return;
2018-03-15 09:44:00 +01:00
if(local_user()) {
$words = PConfig::get(local_user(),'nsfw','words');
}
if($words) {
$arr = explode(',',$words);
2011-10-14 05:53:24 +02:00
}
2018-03-15 09:44:00 +01:00
else {
2018-01-15 14:15:33 +01:00
$arr = ['nsfw'];
2011-10-14 05:53:24 +02:00
}
$found = false;
2018-03-15 09:44:00 +01:00
if(count($arr)) {
2013-06-26 12:49:07 +02:00
$body = $b['item']['title'] . "\n" . nsfw_extract_photos($b['html']);
2018-03-15 09:44:00 +01:00
foreach($arr as $word) {
$word = trim($word);
2018-03-15 09:44:00 +01:00
if(! strlen($word)) {
2011-10-14 05:53:24 +02:00
continue;
}
2018-03-15 09:44:00 +01:00
if(strpos($word,'/') === 0) {
if(preg_match($word,$body)) {
$found = true;
break;
}
2018-03-15 09:44:00 +01:00
}
else {
if(stristr($body,$word)) {
$found = true;
break;
}
2018-03-15 09:44:00 +01:00
if(is_array($b['item']['tags']) && count($b['item']['tags'])) {
foreach($b['item']['tags'] as $t) {
if(stristr($t, '>' . $word . '<' )) {
2013-07-09 02:41:48 +02:00
$found = true;
break;
}
}
}
2018-01-15 14:15:33 +01:00
}
}
2011-10-14 05:53:24 +02:00
}
2018-01-22 20:03:11 +01:00
if ($found) {
2011-10-05 11:20:17 +02:00
$rnd = random_string(8);
$b['html'] = '<div id="nsfw-wrap-' . $rnd . '" class="fakelink" onclick=openClose(\'nsfw-' . $rnd . '\'); >' . L10n::t('%s - Click to open/close', $word) . '</div><div id="nsfw-' . $rnd . '" style="display: none; " >' . $b['html'] . '</div>';
2011-10-05 11:20:17 +02:00
}
2011-10-14 05:53:24 +02:00
}