<?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', 10); register_hook('plugin_settings', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings'); register_hook('plugin_settings_post', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings_post'); } function nsfw_uninstall() { unregister_hook('prepare_body', 'addon/nsfw/nsfw.php', 'nsfw_prepare_body'); unregister_hook('plugin_settings', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings'); unregister_hook('plugin_settings_post', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings_post'); } // 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 // check against the rest of the body. function nsfw_extract_photos($body) { $new_body = ''; $img_start = strpos($body,'src="data:'); $img_end = (($img_start !== false) ? strpos(substr($body,$img_start),'>') : false); $cnt = 0; while($img_end !== false) { $img_end += $img_start; $new_body = $new_body . substr($body,0,$img_start); $cnt ++; $body = substr($body,0,$img_end); $img_start = strpos($body,'src="data:'); $img_end = (($img_start !== false) ? strpos(substr($body,$img_start),'>') : false); } if(! $cnt) return $body; return $new_body; } function nsfw_addon_settings(&$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" '); $words = get_pconfig(local_user(),'nsfw','words'); if(! $words) $words = 'nsfw,'; $s .= '<div class="settings-block">'; $s .= '<h3>' . t('Not Safe For Work (General Purpose Content Filter) settings') . '</h3>'; $s .= '<div id="nsfw-wrapper">'; $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>'; $s .= '<input id="nsfw-words" type="text" name="nsfw-words" value="' . $words .'" />'; $s .= '</div><div class="clear"></div>'; $s .= '<div class="settings-submit-wrapper" ><input type="submit" id="nsfw-submit" name="nsfw-submit" class="settings-submit" value="' . t('Submit') . '" /></div>'; $s .= '<div class="nsfw-desc">' . t('Use /expression/ to provide regular expressions') . '</div></div>'; return; } function nsfw_addon_settings_post(&$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', $disable); info( t('NSFW Settings saved.') . EOL); } } function nsfw_prepare_body(&$a,&$b) { $words = null; if(get_pconfig(local_user(),'nsfw','disable')) return; if(local_user()) { $words = get_pconfig(local_user(),'nsfw','words'); } if($words) { $arr = explode(',',$words); } else { $arr = array('nsfw'); } $found = false; if(count($arr)) { $body = $b['item']['title'] . "\n" . nsfw_extract_photos($b['html']); foreach($arr as $word) { $word = trim($word); if(! strlen($word)) { continue; } if(strpos($word,'/') === 0) { if(preg_match($word,$body)) { $found = true; break; } } else { if(stristr($body,$word)) { $found = true; break; } if(is_array($b['item']['tags']) && count($b['item']['tags'])) { foreach($b['item']['tags'] as $t) { if(stristr($t, '>' . $word . '<' )) { $found = true; break; } } } } } } if($found) { $rnd = random_string(8); $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>'; } }