<?php
//when loaded from the support form, wordpress is already loaded,
if (!isset($_GET['support_form'])) {
	# No need for the template engine
	if (!defined('WP_USE_THEMES') ) {
		define( 'WP_USE_THEMES', false );
	}

//we set wp admin to true, so the backend features get loaded.
	if (!defined('CMPLZ_DOING_SYSTEM_STATUS')){
		define( 'CMPLZ_DOING_SYSTEM_STATUS' , true);
	}

#find the base path
	if (!defined('BASE_PATH') ) {
		define( 'BASE_PATH', find_wordpress_base_path() . "/" );
	}

# Load WordPress Core
	if ( !file_exists(BASE_PATH . 'wp-load.php') ) {
		die("WordPress not installed here");
	}
	require_once( BASE_PATH . 'wp-load.php' );
	require_once( ABSPATH . 'wp-includes/class-phpass.php' );
	require_once( ABSPATH . 'wp-admin/includes/image.php' );
	require_once( ABSPATH . 'wp-admin/includes/plugin.php');
}

function cmplz_get_system_status(){
	ob_start();
	echo 'Domain:' . esc_url_raw( site_url() ) . "\n";
	$console_errors = cmplz_get_console_errors();
	if (empty($console_errors)) $console_errors = "none found";
	echo 'Detected console errors: ' . $console_errors . "\n". "\n";

	echo "General\n";
	echo "---------\n";
	echo "Plugin version: " . CMPLZ_VERSION . "\n";
	global $wp_version;
	echo "WordPress version: " . $wp_version . "\n";
	echo "PHP version: " . PHP_VERSION . "\n";
	echo "Server: " . cmplz_get_server() . "\n";
	$multisite = is_multisite() ? 'yes' : 'no';
	echo "Multisite: " . $multisite . "\n";

	$auto_updating_plugins = get_option('auto_update_plugins');
	echo "\n\n"."WordPress settings" . "\n";
	if ( is_array( $auto_updating_plugins ) && ( in_array('complianz-gdpr-premium/complianz-gpdr-premium.php', $auto_updating_plugins )
	                                             || in_array('complianz-gdpr/complianz-gpdr.php', $auto_updating_plugins ) ) ) {
		echo "auto_update_plugins enabled" . "\n";
	} else {
		echo "auto_update_plugins disabled" . "\n";
	}
	echo "---------\n\n";

	if (get_option('cmplz_curl_error')) {
		echo 'CURL error detected: '.get_option('cmplz_curl_error'). "\n";;
	}

	$plugins = wp_get_active_and_valid_plugins();
	echo "Active plugins: " . "\n";
	echo implode( "\n", $plugins ) . "\n";
	if ( is_multisite() ) {
		echo "Network active plugins: " . "\n";
		$network_plugins = wp_get_active_network_plugins();
		echo implode( "\n", $network_plugins ) . "\n";
	}

	$wizard   = get_option( 'cmplz_options' );

	if ( is_array( $wizard ) ) {
		echo "\n\n" . "Settings" . "\n";
		echo "---------\n";
		$t = array_keys( $wizard );
		echo implode_array_recursive( $wizard );
	} else {
		echo "Wizard not completed yet";
	}

	do_action( "cmplz_system_status" );
	return ob_get_clean();
}

//only run this when downloaded directly
if (!isset($_GET['support_form'])) {

	if ( cmplz_user_can_manage() ) {
		$content = cmplz_get_system_status();

		if ( function_exists( 'mb_strlen' ) ) {
			$fsize = mb_strlen( $content, '8bit' );
		} else {
			$fsize = strlen( $content );
		}
		$file_name = 'complianz-system-status.txt';
		header( "Content-type: application/octet-stream" );

		//direct download
		header( "Content-Disposition: attachment; filename=\"" . $file_name . "\"" );

		//open in browser
		header( "Content-length: $fsize" );
		header( "Cache-Control: private", false ); // required for certain browsers
		header( "Pragma: public" ); // required
		header( "Expires: 0" );
		header( "Cache-Control: must-revalidate, post-check=0, pre-check=0" );
		header( "Content-Transfer-Encoding: binary" );

		echo $content;

	} else {
		//should not be here, so redirect to home
		wp_redirect( home_url() );
		exit;
	}
}

/**
 * Get the WP Base path
 * @return false|string|null
 */
function find_wordpress_base_path()
{
	$path = __DIR__;

	do {
		if (file_exists($path . "/wp-config.php")) {
			//check if the wp-load.php file exists here. If not, we assume it's in a subdir.
			if ( file_exists( $path . '/wp-load.php') ) {
				return $path;
			} else {
				//wp not in this directory. Look in each folder to see if it's there.
				if ( file_exists( $path ) && $handle = opendir( $path ) ) {
					while ( false !== ( $file = readdir( $handle ) ) ) {
						if ( $file != "." && $file != ".." ) {
							$file = $path .'/' . $file;
							if ( is_dir( $file ) && file_exists( $file . '/wp-load.php') ) {
								$path = $file;
								break;
							}
						}
					}
					closedir( $handle );
				}
			}

			return $path;
		}
	} while ($path = realpath("$path/.."));

	return false;
}

/**
 * Generate a readable string from an array
 * @param array $array
 *
 * @return string
 */

function implode_array_recursive($array) {
	if (!is_array($array)) return '';
	return implode("\n", array_map(
		function ($v, $k) {
			if (is_array($v)){
				$output = implode_array_recursive($v);
			} else {
				$output = sprintf("%s : %s", $k, $v);
			}
			return $output;
		},
		$array,
		array_keys($array)
	));
}
