Settings.php

<?php 
/**
 * Admin Settings Module
 * 
 * Adds the settings page.
 *
 * @author Mike Ems
 * @package WordPressHTTPS
 * 
 */

class WordPressHTTPS_Module_Settings extends Mvied_Plugin_Module {

	/**
	 * Initialize Module
	 *
	 * @param none
	 * @return void
	 */
	public function init() {
		if ( is_admin() ) {
			add_action('wp_ajax_' . $this->getPlugin()->getSlug() . '_settings_save', array(&$this, 'save'));
			add_action('wp_ajax_' . $this->getPlugin()->getSlug() . '_settings_reset', array(&$this, 'reset'));
			add_action('wp_ajax_' . $this->getPlugin()->getSlug() . '_settings_cache_reset', array(&$this, 'cache_reset'));
			add_action('wp_ajax_' . $this->getPlugin()->getSlug() . '_ajax_metabox', array(&$this, 'ajax_metabox'));
			if ( isset($_GET['page']) && strpos($_GET['page'], $this->getPlugin()->getSlug()) !== false ) {
				// Add meta boxes
				add_action('admin_init', array(&$this, 'add_meta_boxes'));

				// Add scripts
				add_action('admin_enqueue_scripts', array(&$this, 'admin_enqueue_scripts'));
			}

			// Add admin menus
			add_action('admin_menu', array(&$this, 'admin_menu'));
		}
	}

	/**
	 * Admin panel menu option
	 * WordPress Hook - admin_menu
	 *
	 * @param none
	 * @return void
	 */
	public function admin_menu() {
		if ( $this->getPlugin()->getSetting('admin_menu') === 'side' ) {
			add_menu_page('HTTPS', 'HTTPS', 'manage_options', $this->getPlugin()->getSlug(), array($this->getPlugin()->getModule('Settings'), 'dispatch'), '', 88);
		} else {
			add_options_page('HTTPS', 'HTTPS', 'manage_options', $this->getPlugin()->getSlug(), array($this->getPlugin()->getModule('Settings'), 'dispatch'));
		}
	}

	/**
	 * Add meta boxes to WordPress HTTPS Settings page.
	 *
	 * @param none
	 * @return void
	 */
	public function add_meta_boxes() {
		add_meta_box(
			$this->getPlugin()->getSlug() . '_settings',
			__( 'General Settings', $this->getPlugin()->getSlug() ),
			array($this->getPlugin()->getModule('Admin'), 'meta_box_render'),
			'toplevel_page_' . $this->getPlugin()->getSlug(),
			'main',
			'high',
			array( 'metabox' => 'settings' )
		);
		add_meta_box(
			$this->getPlugin()->getSlug() . '_updates',
			__( 'Developer Updates', $this->getPlugin()->getSlug() ),
			array($this->getPlugin()->getModule('Admin'), 'meta_box_render'),
			'toplevel_page_' . $this->getPlugin()->getSlug(),
			'side',
			'high',
			array( 'metabox' => 'ajax', 'url' => 'http://wordpresshttps.com/client/updates.php' )
		);
		add_meta_box(
			$this->getPlugin()->getSlug() . '_support',
			__( 'Support', $this->getPlugin()->getSlug() ),
			array($this->getPlugin()->getModule('Admin'), 'meta_box_render'),
			'toplevel_page_' . $this->getPlugin()->getSlug(),
			'side',
			'high',
			array( 'metabox' => 'ajax', 'url' => 'http://wordpresshttps.com/client/support.php' )
		);
		add_meta_box(
			$this->getPlugin()->getSlug() . '_rate',
			__( 'Feedback', $this->getPlugin()->getSlug() ),
			array($this->getPlugin()->getModule('Admin'), 'meta_box_render'),
			'toplevel_page_' . $this->getPlugin()->getSlug(),
			'side',
			'core',
			array( 'metabox' => 'ajax', 'url' => 'http://wordpresshttps.com/client/rate.php' )
		);
		add_meta_box(
			$this->getPlugin()->getSlug() . '_donate',
			__( 'Donate', $this->getPlugin()->getSlug() ),
			array($this->getPlugin()->getModule('Admin'), 'meta_box_render'),
			'toplevel_page_' . $this->getPlugin()->getSlug(),
			'side',
			'core',
			array( 'metabox' => 'ajax', 'url' => 'http://wordpresshttps.com/client/donate.php' )
		);
		add_meta_box(
			$this->getPlugin()->getSlug() . '_donate2',
			__( 'Loading...', $this->getPlugin()->getSlug() ),
			array($this->getPlugin()->getModule('Admin'), 'meta_box_render'),
			'toplevel_page_' . $this->getPlugin()->getSlug(),
			'main',
			'low',
			array( 'metabox' => 'ajax', 'url' => 'http://wordpresshttps.com/client/donate2.php' )
		);
	}

	/**
	 * Dispatch request for settings page
	 *
	 * @param none
	 * @return void
	 */
	public function dispatch() {
		if ( !current_user_can('manage_options') ) {
			wp_die( __('You do not have sufficient permissions to access this page.') );
		}

		self::render();
	}

	/**
	 * Dispatch request for ajax metabox
	 *
	 * @param none
	 * @return void
	 */
	public function ajax_metabox() {
		// Disable errors
		error_reporting(0);

		// Set headers
		header("Status: 200");
		header("HTTP/1.1 200 OK");
		header('Content-Type: text/html');
		header('Cache-Control: no-store, no-cache, must-revalidate');
		header('Cache-Control: post-check=0, pre-check=0', FALSE);
		header('Pragma: no-cache');
		header("Vary: Accept-Encoding");

		if ( ! wp_verify_nonce($_POST['_nonce'], $this->getPlugin()->getSlug()) ) {
			exit;
		}

		$content = Mvied_Url::fromString( $_POST['url'] )->getContent();
		if ( $content ) {
			echo $content;
		}
		exit;
	}

	/**
	 * Adds javascript and stylesheets to settings page in the admin panel.
	 * WordPress Hook - enqueue_scripts
	 *
	 * @param none
	 * @return void
	 */
	public function admin_enqueue_scripts() {
		wp_enqueue_style($this->getPlugin()->getSlug() . '-admin-page', $this->getPlugin()->getPluginUrl() . '/css/settings.css', array(), $this->getPlugin()->getVersion());
		wp_enqueue_script('jquery-form');
		wp_enqueue_script('post');
		
		if ( function_exists('add_thickbox') ) {
			add_thickbox();
		}
	}

	/**
	 * Render settings page
	 *
	 * @param none
	 * @return void
	 */
	public function render() {
		$this->getPlugin()->renderView('settings');
	}

	/**
	 * Reset Cache
	 *
	 * @param none
	 * @return void
	 */
	public function cache_reset() {
		if ( !wp_verify_nonce($_POST['_wpnonce'], $this->getPlugin()->getSlug()) ) {
			return false;
		}

		$message = __('Cache reset.','wordpress-https');
		$errors = array();
		$reload = false;

		$this->getPlugin()->setSetting('secure_external_urls', array());
		$this->getPlugin()->setSetting('unsecure_external_urls', array());
		$this->getPlugin()->setSetting('path_cache', array());
		$this->getPlugin()->setSetting('blog_cache', array());

		$this->getPlugin()->renderView('ajax_message', array('message' => $message, 'errors' => $errors, 'reload' => $reload));
	}

	/**
	 * Reset Settings
	 *
	 * @param none
	 * @return void
	 */
	public function reset() {
		if ( !wp_verify_nonce($_POST['_wpnonce'], $this->getPlugin()->getSlug()) ) {
			return false;
		}

		$message = __('Settings reset.','wordpress-https');
		$errors = array();
		$reload = true;

		foreach ($this->getPlugin()->getSettings() as $key => $default) {
			$this->getPlugin()->setSetting($key, $default);
		}
		$this->getPlugin()->install();

		$this->getPlugin()->renderView('ajax_message', array('message' => $message, 'errors' => $errors, 'reload' => $reload));
	}
	
	/**
	 * Save Settings
	 *
	 * @param none
	 * @return void
	 */
	public function save() {
		if ( !wp_verify_nonce($_POST['_wpnonce'], $this->getPlugin()->getSlug()) ) {
			return false;
		}

		$message = __('Settings saved.','wordpress-https');
		$errors = array();
		$reload = false;
		$logout = false;
		$ssl_host = clone $this->getPlugin()->getHttpsUrl();

		foreach ($this->getPlugin()->getSettings() as $key => $default) {
			if ( !array_key_exists($key, $_POST) && $default == 0 ) {
				$_POST[$key] = 0;
				$this->getPlugin()->setSetting($key, $_POST[$key]);
			} else if ( array_key_exists($key, $_POST) ) {
				if ( $key == 'ssl_host' ) {
					if ( $_POST[$key] != '' ) {
						$_POST[$key] = strtolower($_POST[$key]);
						// Add Scheme
						if ( strpos($_POST[$key], 'http://') === false && strpos($_POST[$key], 'https://') === false ) {
							$_POST[$key] = 'https://' . $_POST[$key];
						}

						$ssl_host = Mvied_Url::fromString($_POST[$key]);

						// Add Path
						if ( strpos($ssl_host->getPath(), $this->getPlugin()->getHttpUrl()->getPath()) !== true ) {
							$path = '/'. ltrim(str_replace(rtrim($this->getPlugin()->getHttpUrl()->getPath(), '/'), '', $ssl_host->getPath()), '/');
							$ssl_host->setPath(rtrim($path, '/') . $this->getPlugin()->getHttpUrl()->getPath());
						}
						$ssl_host->setPath(rtrim($ssl_host->getPath(), '/') . '/');

						if ( $ssl_host->toString() != $this->getPlugin()->getHttpsUrl()->toString() ) {
							// Ensure that the WordPress installation is accessible at this host
							//if ( $ssl_host->isValid() ) {
								// If secure domain has changed and currently on SSL, logout user
								if ( $this->getPlugin()->isSsl() ) {
									$logout = true;
								}
								$_POST[$key] = $ssl_host->toString();
							/*} else {
								$errors[] = '<strong>SSL Host</strong> - Invalid WordPress installation at ' . $ssl_host;
								$_POST[$key] = get_option($key);
							}*/
						} else {
							$_POST[$key] = $this->getPlugin()->getHttpsUrl()->toString();
						}
					} else {
						$_POST[$key] = get_option($key);
					}
				} else if ( $key == 'ssl_proxy' ) {
					// Reload if we're auto detecting the proxy and we're not in SSL
					if ( $_POST[$key] == 'auto' && ! $this->getPlugin()->isSsl() ) {
						$reload = true;
					}
				} else if ( $key == 'ssl_admin' ) {
					if ( force_ssl_admin() && $this->getPlugin()->getSetting('ssl_host_diff') ) {
						$errors[] = '<strong>SSL Admin</strong> - FORCE_SSL_ADMIN should not be set to true in your wp-config.php while using a non-default SSL Host.';
					// If forcing SSL Admin and currently not SSL, logout user
					} else if ( $_POST[$key] == 1 && !$this->getPlugin()->isSsl() ) {
						$logout = true;
					}
				} else if ( $key == 'ssl_host_subdomain' ) {
					// Checks to see if the SSL Host is a subdomain
					$is_subdomain = $this->getPlugin()->getHttpsUrl()->isSubdomain($this->getPlugin()->getHttpUrl());
					if ( $ssl_host->setScheme('http') != $this->getPlugin()->getHttpUrl() && $is_subdomain ) {
						$_POST[$key] = 1;
					} else {
						$_POST[$key] = 0;
					}
				}

				$this->getPlugin()->setSetting($key, $_POST[$key]);
			}
		}

		if ( $logout ) {
			wp_logout();
		}

		$this->getPlugin()->renderView('ajax_message', array('message' => $message, 'errors' => $errors, 'reload' => $reload, 'logout' => $logout));
	}
	
}