6 * Description: Collapse posts with inappropriate content
8 * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
12 use Friendica\Core\PConfig;
14 function nsfw_install() {
15 register_hook('prepare_body', 'addon/nsfw/nsfw.php', 'nsfw_prepare_body', 10);
16 register_hook('plugin_settings', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings');
17 register_hook('plugin_settings_post', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings_post');
22 function nsfw_uninstall() {
23 unregister_hook('prepare_body', 'addon/nsfw/nsfw.php', 'nsfw_prepare_body');
24 unregister_hook('plugin_settings', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings');
25 unregister_hook('plugin_settings_post', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings_post');
29 // This function isn't perfect and isn't trying to preserve the html structure - it's just a
30 // quick and dirty filter to pull out embedded photo blobs because 'nsfw' seems to come up
31 // inside them quite often. We don't need anything fancy, just pull out the data blob so we can
32 // check against the rest of the body.
34 function nsfw_extract_photos($body) {
38 $img_start = strpos($body,'src="data:');
39 $img_end = (($img_start !== false) ? strpos(substr($body,$img_start),'>') : false);
43 while($img_end !== false) {
44 $img_end += $img_start;
45 $new_body = $new_body . substr($body,0,$img_start);
48 $body = substr($body,0,$img_end);
50 $img_start = strpos($body,'src="data:');
51 $img_end = (($img_start !== false) ? strpos(substr($body,$img_start),'>') : false);
64 function nsfw_addon_settings(&$a,&$s) {
70 /* Add our stylesheet to the page so we can make our settings look nice */
72 $a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/nsfw/nsfw.css' . '" media="all" />' . "\r\n";
74 $enable_checked = (intval(PConfig::get(local_user(),'nsfw','disable')) ? '' : ' checked="checked" ');
75 $words = PConfig::get(local_user(),'nsfw','words');
79 $s .= '<span id="settings_nsfw_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_nsfw_expanded\'); openClose(\'settings_nsfw_inflated\');">';
80 $s .= '<h3>' . t('Not Safe For Work (General Purpose Content Filter)') . '</h3>';
82 $s .= '<div id="settings_nsfw_expanded" class="settings-block" style="display: none;">';
83 $s .= '<span class="fakelink" onclick="openClose(\'settings_nsfw_expanded\'); openClose(\'settings_nsfw_inflated\');">';
84 $s .= '<h3>' . t('Not Safe For Work (General Purpose Content Filter)') . '</h3>';
87 $s .= '<div id="nsfw-wrapper">';
88 $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>';
89 $s .= '<label id="nsfw-enable-label" for="nsfw-enable">' . t('Enable Content filter') . ' </label>';
90 $s .= '<input id="nsfw-enable" type="checkbox" name="nsfw-enable" value="1"' . $enable_checked . ' />';
91 $s .= '<div class="clear"></div>';
92 $s .= '<label id="nsfw-label" for="nsfw-words">' . t('Comma separated list of keywords to hide') . ' </label>';
93 $s .= '<textarea id="nsfw-words" type="text" name="nsfw-words">' . $words .'</textarea>';
94 $s .= '</div><div class="clear"></div>';
96 $s .= '<div class="settings-submit-wrapper" ><input type="submit" id="nsfw-submit" name="nsfw-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div>';
97 $s .= '<div class="nsfw-desc">' . t('Use /expression/ to provide regular expressions') . '</div></div>';
103 function nsfw_addon_settings_post(&$a,&$b) {
108 if($_POST['nsfw-submit']) {
109 PConfig::set(local_user(),'nsfw','words',trim($_POST['nsfw-words']));
110 $enable = ((x($_POST,'nsfw-enable')) ? intval($_POST['nsfw-enable']) : 0);
111 $disable = 1-$enable;
112 PConfig::set(local_user(),'nsfw','disable', $disable);
113 info( t('NSFW Settings saved.') . EOL);
117 function nsfw_prepare_body(&$a,&$b) {
121 if(PConfig::get(local_user(),'nsfw','disable'))
125 $words = PConfig::get(local_user(),'nsfw','words');
128 $arr = explode(',',$words);
131 $arr = array('nsfw');
137 $body = $b['item']['title'] . "\n" . nsfw_extract_photos($b['html']);
139 foreach($arr as $word) {
141 if(! strlen($word)) {
144 if(strpos($word,'/') === 0) {
145 if(preg_match($word,$body)) {
151 if(stristr($body,$word)) {
155 if(is_array($b['item']['tags']) && count($b['item']['tags'])) {
156 foreach($b['item']['tags'] as $t) {
157 if(stristr($t, '>' . $word . '<' )) {
167 $rnd = random_string(8);
168 $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>';