160 lines
4.9 KiB
PHP
Executable file
160 lines
4.9 KiB
PHP
Executable file
<?php
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/**
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* Name: NSFW
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* Description: Collapse posts with inappropriate content
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* Version: 1.0
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* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
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*
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*/
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function nsfw_install() {
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register_hook('prepare_body', 'addon/nsfw/nsfw.php', 'nsfw_prepare_body', 10);
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register_hook('plugin_settings', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings');
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register_hook('plugin_settings_post', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings_post');
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}
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function nsfw_uninstall() {
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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');
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unregister_hook('plugin_settings_post', 'addon/nsfw/nsfw.php', 'nsfw_addon_settings_post');
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}
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// This function isn't perfect and isn't trying to preserve the html structure - it's just a
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// quick and dirty filter to pull out embedded photo blobs because 'nsfw' seems to come up
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// inside them quite often. We don't need anything fancy, just pull out the data blob so we can
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// check against the rest of the body.
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function nsfw_extract_photos($body) {
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$new_body = '';
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$img_start = strpos($body,'src="data:');
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$img_end = (($img_start !== false) ? strpos(substr($body,$img_start),'>') : false);
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$cnt = 0;
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while($img_end !== false) {
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$img_end += $img_start;
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$new_body = $new_body . substr($body,0,$img_start);
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$cnt ++;
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$body = substr($body,0,$img_end);
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$img_start = strpos($body,'src="data:');
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$img_end = (($img_start !== false) ? strpos(substr($body,$img_start),'>') : false);
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}
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if(! $cnt)
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return $body;
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return $new_body;
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}
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function nsfw_addon_settings(&$a,&$s) {
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if(! local_user())
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return;
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/* Add our stylesheet to the page so we can make our settings look nice */
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$a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/nsfw/nsfw.css' . '" media="all" />' . "\r\n";
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$enable_checked = (intval(get_pconfig(local_user(),'nsfw','disable')) ? '' : ' checked="checked" ');
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$words = get_pconfig(local_user(),'nsfw','words');
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if(! $words)
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$words = 'nsfw,';
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$s .= '<div class="settings-block">';
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$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>';
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$s .= '<label id="nsfw-enable-label" for="nsfw-enable">' . t('Enable Content filter') . ' </label>';
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$s .= '<input id="nsfw-enable" type="checkbox" name="nsfw-enable" value="1"' . $enable_checked . ' />';
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$s .= '<div class="clear"></div>';
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$s .= '<label id="nsfw-label" for="nsfw-words">' . t('Comma separated list of keywords to hide') . ' </label>';
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$s .= '<input id="nsfw-words" type="text" name="nsfw-words" value="' . $words .'" />';
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$s .= '</div><div class="clear"></div>';
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$s .= '<div class="settings-submit-wrapper" ><input type="submit" id="nsfw-submit" name="nsfw-submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
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$s .= '<div class="nsfw-desc">' . t('Use /expression/ to provide regular expressions') . '</div></div>';
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return;
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}
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function nsfw_addon_settings_post(&$a,&$b) {
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if(! local_user())
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return;
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if($_POST['nsfw-submit']) {
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set_pconfig(local_user(),'nsfw','words',trim($_POST['nsfw-words']));
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$enable = ((x($_POST,'nsfw-enable')) ? intval($_POST['nsfw-enable']) : 0);
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$disable = 1-$enable;
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set_pconfig(local_user(),'nsfw','disable', $disable);
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info( t('NSFW Settings saved.') . EOL);
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}
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}
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function nsfw_prepare_body(&$a,&$b) {
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$words = null;
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if(get_pconfig(local_user(),'nsfw','disable'))
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return;
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if(local_user()) {
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$words = get_pconfig(local_user(),'nsfw','words');
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}
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if($words) {
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$arr = explode(',',$words);
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}
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else {
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$arr = array('nsfw');
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}
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$found = false;
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if(count($arr)) {
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$body = $b['item']['title'] . "\n" . nsfw_extract_photos($b['html']);
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foreach($arr as $word) {
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$word = trim($word);
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if(! strlen($word)) {
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continue;
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}
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if(strpos($word,'/') === 0) {
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if(preg_match($word,$body)) {
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$found = true;
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break;
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}
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}
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else {
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if(stristr($body,$word)) {
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$found = true;
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break;
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}
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if(stristr($b['item']['tags'], '>' . $word . '<' )) {
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$found = true;
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break;
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}
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}
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}
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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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}
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