friendica-addons/nsfw/nsfw.php

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<?php
/**
* Name: NSFW
* Description: Collapse posts with inappropriate content
* Version: 1.0
* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
*
*/
function nsfw_install() {
register_hook('prepare_body', 'addon/nsfw/nsfw.php', 'nsfw_prepare_body');
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register_hook('plugin_settings', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings');
register_hook('plugin_settings_post', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings_post');
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}
function nsfw_uninstall() {
unregister_hook('prepare_body', 'addon/nsfw/nsfw.php', 'nsfw_prepare_body');
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unregister_hook('plugin_settings', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings');
unregister_hook('plugin_settings_post', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings_post');
}
function nsfw_addon_settings(&$a,&$s) {
if(! local_user())
return;
/* Add our stylesheet to the page so we can make our settings look nice */
$a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/nsfw/nsfw.css' . '" media="all" />' . "\r\n";
$enable_checked = (intval(get_pconfig(local_user(),'nsfw','disable')) ? '' : ' checked="checked" ');
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$words = get_pconfig(local_user(),'nsfw','words');
if(! $words)
$words = 'nsfw,';
$s .= '<div class="settings-block">';
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$s .= '<h3>' . t('Not Safe For Work (General Purpose Content Filter) settings') . '</h3>';
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$s .= '<div id="nsfw-wrapper">';
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$s .= '<p>' . t ('This plugin looks in posts for the words/text you specify below, and collapses any content containing those keywords so it is not displayed at inappropriate times, such as sexual innuendo that may be improper in a work setting. It is polite and recommended to tag any content containing nudity with #NSFW. This filter can also match any other word/text you specify, and can thereby be used as a general purpose content filter.') . '</p>';
$s .= '<label id="nsfw-enable-label" for="nsfw-enable">' . t('Enable Content filter') . ' </label>';
$s .= '<input id="nsfw-enable" type="checkbox" name="nsfw-enable" value="1"' . $enable_checked . ' />';
$s .= '<div class="clear"></div>';
$s .= '<label id="nsfw-label" for="nsfw-words">' . t('Comma separated list of keywords to hide') . ' </label>';
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$s .= '<input id="nsfw-words" type="text" name="nsfw-words" value="' . $words .'" />';
$s .= '</div><div class="clear"></div>';
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$s .= '<div class="settings-submit-wrapper" ><input type="submit" id="nsfw-submit" name="nsfw-submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
$s .= '<div class="nsfw-desc">' . t('Use /expression/ to provide regular expressions') . '</div></div>';
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return;
}
function nsfw_addon_settings_post(&$a,&$b) {
if(! local_user())
return;
if($_POST['nsfw-submit']) {
set_pconfig(local_user(),'nsfw','words',trim($_POST['nsfw-words']));
$enable = ((x($_POST,'nsfw-enable')) ? intval($_POST['nsfw-enable']) : 0);
$disable = 1-$enable;
set_pconfig(local_user(),'nsfw','disable', $disable);
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info( t('NSFW Settings saved.') . EOL);
}
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}
function nsfw_prepare_body(&$a,&$b) {
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$words = null;
if(get_pconfig(local_user(),'nsfw','disable'))
return;
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if(local_user()) {
$words = get_pconfig(local_user(),'nsfw','words');
}
if($words) {
$arr = explode(',',$words);
}
else {
$arr = array('nsfw');
}
$found = false;
if(count($arr)) {
foreach($arr as $word) {
$word = trim($word);
if(! strlen($word)) {
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continue;
}
if(strpos($word,'/') === 0) {
if(preg_match($word,$b['html'])) {
$found = true;
break;
}
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}
else {
if(stristr($b['html'],$word)) {
$found = true;
break;
}
if(stristr($b['item']['tag'], ']' . $word . '[' )) {
$found = true;
break;
}
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}
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}
}
if($found) {
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$rnd = random_string(8);
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$b['html'] = '<div id="nsfw-wrap-' . $rnd . '" class="fakelink" onclick=openClose(\'nsfw-' . $rnd . '\'); >' . sprintf( t('%s - Click to open/close'),$word ) . '</div><div id="nsfw-' . $rnd . '" style="display: none; " >' . $b['html'] . '</div>';
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}
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}