File "report.cls.php"

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<?php
/**
 * The report class
 *
 *
 * @since      1.1.0
 * @package    LiteSpeed
 * @subpackage LiteSpeed/src
 * @author     LiteSpeed Technologies <info@litespeedtech.com>
 */
namespace LiteSpeed;

defined( 'WPINC' ) || exit;

class Report extends Base {
	const TYPE_SEND_REPORT = 'send_report';

	/**
	 * Handle all request actions from main cls
	 *
	 * @since  1.6.5
	 * @access public
	 */
	public function handler() {
		$type = Router::verify_type();

		switch ( $type ) {
			case self::TYPE_SEND_REPORT:
				$this->post_env();
				break;

			default:
				break;
		}

		Admin::redirect();
	}

	/**
	 * post env report number to ls center server
	 *
	 * @since  1.6.5
	 * @access public
	 */
	public function post_env()
	{
		$report_con = $this->generate_environment_report();

		// Generate link
		$link = ! empty( $_POST[ 'link' ] ) ? esc_url( $_POST[ 'link' ] ) : '';

		$notes = ! empty( $_POST[ 'notes' ] ) ? esc_html( $_POST[ 'notes' ] ) : '';

		$data = array(
			'env' => $report_con,
			'link' => $link,
			'notes' => $notes,
		);

		$json = Cloud::post( Cloud::API_REPORT, $data );
		if ( ! is_array( $json ) ) {
			return;
		}

		$num = ! empty( $json[ 'num' ] ) ? $json[ 'num' ] : '--';
		$summary = array(
			'num'	=> $num,
			'dateline'	=> time(),
		);

		self::save_summary( $summary );

		return $num;
	}

	/**
	 * Gathers the environment details and creates the report.
	 * Will write to the environment report file.
	 *
	 * @since 1.0.12
	 * @access public
	 */
	public function generate_environment_report( $options = null ) {
		global $wp_version, $_SERVER;
		$frontend_htaccess = Htaccess::get_frontend_htaccess();
		$backend_htaccess = Htaccess::get_backend_htaccess();
		$paths = array($frontend_htaccess);
		if ( $frontend_htaccess != $backend_htaccess ) {
			$paths[] = $backend_htaccess;
		}

		if ( is_multisite() ) {
			$active_plugins = get_site_option('active_sitewide_plugins');
			if ( ! empty($active_plugins) ) {
				$active_plugins = array_keys($active_plugins);
			}
		}
		else {
			$active_plugins = get_option('active_plugins');
		}

		if ( function_exists('wp_get_theme') ) {
			$theme_obj = wp_get_theme();
			$active_theme = $theme_obj->get('Name');
		}
		else {
			$active_theme = get_current_theme();
		}

		$extras = array(
			'wordpress version' => $wp_version,
			'siteurl' => get_option( 'siteurl' ),
			'home' => get_option( 'home' ),
			'home_url' => home_url(),
			'locale' => get_locale(),
			'active theme' => $active_theme,
		);

		$extras[ 'active plugins' ] = $active_plugins;
		$extras[ 'cloud' ] = Cloud::get_summary();

		if ( is_null($options) ) {
			$options = $this->get_options( true );

			if ( is_multisite() ) {
				$options2 = $this->get_options();
				foreach ( $options2 as $k => $v ) {
					if ( $options[ $k ] !== $v ) {
						$options[ '[Overwritten] ' . $k ] = $v;
					}
				}
			}
		}

		if ( ! is_null($options) && is_multisite() ) {
			$blogs = Activation::get_network_ids();
			if ( ! empty($blogs) ) {
				$i = 0;
				foreach ( $blogs as $blog_id ) {
					if ( ++$i > 3 ) { // Only log 3 subsites
						break;
					}
					$opts = $this->cls( 'Conf' )->load_options( $blog_id, true );
					if ( isset($opts[ self::O_CACHE ]) ) {
						$options['blog ' . $blog_id . ' radio select'] = $opts[ self::O_CACHE ];
					}
				}
			}
		}

		// Security: Remove cf key in report
		$secure_fields = array(
			self::O_CDN_CLOUDFLARE_KEY,
			self::O_OBJECT_PSWD,
		);
		foreach ( $secure_fields as $v ) {
			if ( ! empty( $options[ $v ] ) ) {
				$options[ $v ] = str_repeat( '*', strlen( $options[ $v ] ) );
			}
		}

		$report = $this->build_environment_report($_SERVER, $options, $extras, $paths);
		return $report;
	}

	/**
	 * Builds the environment report buffer with the given parameters
	 *
	 * @access private
	 */
	private function build_environment_report($server, $options, $extras = array(), $htaccess_paths = array())
	{
		$server_keys = array(
			'DOCUMENT_ROOT'=>'',
			'SERVER_SOFTWARE'=>'',
			'X-LSCACHE'=>'',
			'HTTP_X_LSCACHE'=>''
		);
		$server_vars = array_intersect_key($server, $server_keys);
		$server_vars[] = "LSWCP_TAG_PREFIX = " . LSWCP_TAG_PREFIX;

		$server_vars = array_merge( $server_vars, $this->cls( 'Base' )->server_vars() );

		$buf = $this->_format_report_section('Server Variables', $server_vars);

		$buf .= $this->_format_report_section('Wordpress Specific Extras', $extras);

		$buf .= $this->_format_report_section('LSCache Plugin Options', $options);

		if ( empty($htaccess_paths) ) {
			return $buf;
		}

		foreach ( $htaccess_paths as $path ) {
			if ( ! file_exists($path) || ! is_readable($path) ) {
				$buf .= $path . " does not exist or is not readable.\n";
				continue;
			}

			$content = file_get_contents($path);
			if ( $content === false ) {
				$buf .= $path . " returned false for file_get_contents.\n";
				continue;
			}
			$buf .= $path . " contents:\n" . $content . "\n\n";
		}
		return $buf;
	}

	/**
	 * Creates a part of the environment report based on a section header and an array for the section parameters.
	 *
	 * @since 1.0.12
	 * @access private
	 */
	private function _format_report_section( $section_header, $section )
	{
		$tab = '    '; // four spaces

		if ( empty( $section ) ) {
			return 'No matching ' . $section_header . "\n\n";
		}
		$buf = $section_header;

		foreach ( $section as $k => $v ) {
			$buf .= "\n" . $tab;

			if ( ! is_numeric( $k ) ) {
				$buf .= $k . ' = ';
			}

			if ( ! is_string( $v ) ) {
				$v = var_export( $v, true );
			}

			$buf .= $v;
		}
		return $buf . "\n\n";
	}

}