/nsfw/nsfw.php
PHP | 159 lines | 105 code | 42 blank | 12 comment | 17 complexity | ba1f90fea608d94b7a03f6d26e65f5e7 MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-3.0, GPL-2.0
- <?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)) {
- $body = nsfw_extract_photos($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)) {
- $found = true;
- break;
- }
- if(stristr($b['item']['tag'], ']' . $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>';
- }
- }