* add an about controller (see: elkarte/Elkarte#400 #400)

* move contact and credits subactions
* contacting the admin should be allowed by anyone; not just guests. Afterall, all I have to do then is to just logout.

Author: joshuaadickerson

sources/controllers/About.controller.php

@@ -0,0 +1,165 @@
+<?php
+
+/**
+ * Handle credits, license, privacy policy, cookie policy, registration agreement / TOS, contact
+ * staff (optional), sitemap (mod?), etc.
+ *
+ * @name      ElkArte Forum
+ * @copyright ElkArte Forum contributors
+ * @license   BSD http://opensource.org/licenses/BSD-3-Clause
+ *
+ * This software is a derived product, based on:
+ *
+ * Simple Machines Forum (SMF)
+ * copyright:	2011 Simple Machines (http://www.simplemachines.org)
+ * license:		BSD, See included LICENSE.TXT for terms and conditions.
+ *
+ * @version 1.1 dev
+ *
+ */
+
+if (!defined('ELK'))
+    die('No access...');
+
+/**
+ * About Controller
+ */
+class About_Controller extends Action_Controller
+{
+    /**
+     * Default action of this class.
+     * Accessed with ?action=about
+     */
+    public function action_index()
+    {
+        // Add an subaction array to act accordingly
+        $subActions = array(
+            'credits' => array($this, 'action_credits'),
+            'contact' => array($this, 'action_contact'),
+            'coppa' => array($this, 'action_coppa'),
+        );
+
+        // Setup the action handler
+        $action = new Action();
+        $subAction = $action->initialize($subActions, 'credits');
+
+        // Call the action
+        $action->dispatch($subAction);
+    }
+
+    /**
+     * Shows the contact form for the user to fill out
+     *
+     * - Functionality needs to be enabled in the ACP for this to be used
+     */
+    public function action_contact()
+    {
+        global $context, $txt, $user_info, $modSettings;
+
+        // Disabled, you cannot enter.
+        if (empty($modSettings['enable_contactform']) || $modSettings['enable_contactform'] === 'disabled')
+            redirectexit();
+
+        loadLanguage('Login');
+        loadTemplate('Register');
+
+        // Submitted the contact form?
+        if (isset($this->_req->post->send))
+        {
+            checkSession('post');
+            validateToken('contact');
+
+            // Can't send a lot of these in a row, no sir!
+            spamProtection('contact');
+
+            // No errors, yet.
+            $context['errors'] = array();
+            loadLanguage('Errors');
+
+            // Could they get the right send topic verification code?
+            require_once(SUBSDIR . '/VerificationControls.class.php');
+            require_once(SUBSDIR . '/Members.subs.php');
+
+            // Form validation
+            $validator = new Data_Validator();
+            $validator->sanitation_rules(array(
+                'emailaddress' => 'trim',
+                'contactmessage' => 'trim'
+            ));
+            $validator->validation_rules(array(
+                'emailaddress' => 'required|valid_email',
+                'contactmessage' => 'required'
+            ));
+            $validator->text_replacements(array(
+                'emailaddress' => $txt['error_email'],
+                'contactmessage' => $txt['error_message']
+            ));
+
+            // Any form errors
+            if (!$validator->validate($this->_req->post))
+                $context['errors'] = $validator->validation_errors();
+
+            // Get the clean data
+            $this->_req->post = new ArrayObject($validator->validation_data(), ArrayObject::ARRAY_AS_PROPS);
+
+            // Trigger the verify contact event for captcha checks
+            $this->_events->trigger('verify_contact', array());
+
+            // No errors, then send the PM to the admins
+            if (empty($context['errors']))
+            {
+                $admins = admins();
+                if (!empty($admins))
+                {
+                    require_once(SUBSDIR . '/PersonalMessage.subs.php');
+                    sendpm(array('to' => array_keys($admins), 'bcc' => array()), $txt['contact_subject'], $this->_req->post->contactmessage, false, array('id' => 0, 'name' => $this->_req->post->emailaddress, 'username' => $this->_req->post->emailaddress));
+                }
+
+                // Send the PM
+                redirectexit('action=about;sa=contact;done');
+            }
+            else
+            {
+                $context['emailaddress'] = $this->_req->post->emailaddress;
+                $context['contactmessage'] = $this->_req->post->contactmessage;
+            }
+        }
+
+        // Show the contact done form or the form itself
+        if (isset($this->_req->query->done))
+            $context['sub_template'] = 'contact_form_done';
+        else
+        {
+            $context['sub_template'] = 'contact_form';
+            $context['page_title'] = $txt['admin_contact_form'];
+
+            // Setup any contract form events, like validation
+            $this->_events->trigger('setup_contact', array());
+        }
+
+        createToken('contact');
+    }
+
+    /**
+     * It prepares credit and copyright information for the credits page or the admin page.
+     *
+     * - Accessed by ?action=about;sa=credits
+     *
+     * @uses About language file
+     * @uses template_credits() sub template in About.template.php,
+     */
+    public function action_credits()
+    {
+        global $context, $txt;
+
+        require_once(SUBSDIR . '/About.subs.php');
+        loadLanguage('About');
+
+        $context += prepareCreditsData();
+
+        loadTemplate('About');
+        $context['sub_template'] = 'credits';
+        $context['robot_no_index'] = true;
+        $context['page_title'] = $txt['credits'];
+    }
+}