Adding SensitiveContent Plugin for nsfw filtering

plugins/SensitiveContent/actions/sensitivecontentsettings.php

@@ -0,0 +1,51 @@
+<?php
+
+if (!defined('GNUSOCIAL')) { exit(1); }
+
+class SensitiveContentSettingsAction extends SettingsAction
+{
+	function title()
+	{
+		return _m('Sensitive content settings');
+	}
+
+	function getInstructions()
+	{
+		return _m('Set preferences for display of "sensitive" content');
+	}
+
+	function showContent()
+	{
+
+		$user = $this->scoped->getUser();
+
+		$this->elementStart('form', array('method' => 'post',
+			'id' => 'sensitivecontent',
+			'class' => 'form_settings',
+			'action' => common_local_url('sensitivecontentsettings')));
+
+		$this->elementStart('fieldset');
+		$this->hidden('token', common_session_token());
+		$this->elementStart('ul', 'form_data');
+
+		$this->elementStart('li');
+			$this->checkbox('hidesensitive', _('Hide attachments in posts hashtagged #NSFW'),
+				($this->arg('hidesensitive')) ?
+				$this->boolean('hidesensitive') : $this->scoped->getPref('MoonMan','hide_sensitive',0));
+		$this->elementEnd('li');
+
+
+		$this->elementEnd('ul');
+		$this->submit('save', _m('BUTTON','Save'));
+
+		$this->elementEnd('fieldset');
+		$this->elementEnd('form');
+	}
+
+	function doPost()
+	{
+		$hidesensitive = $this->booleanintstring('hidesensitive');
+		$this->scoped->setPref('MoonMan','hide_sensitive', $hidesensitive);
+		return _('Settings saved.');
+	}
+}