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Editing: cache.php
<?php use \WP_CLI\Utils; /** * Class BH_WP_CLI_Cache * * This class is instantiated in /inc/cli-init.php */ class BH_WP_CLI_Cache extends BH_WP_CLI_Command { /** * @var string - Organization Raw Content URL Base. */ protected static $org_url = 'https://raw.githubusercontent.com/bluehost'; /** * @var array - Types of caching available. */ protected static $cache_types = array( 'page', 'browser', 'object', ); /** * @var array - Actions taken with all caching types. */ protected static $cache_actions = array( 'add', 'remove', 'status', ); /** * @var string - GitHub Repo + Brand Slug. */ protected static $page_repo_branch = 'endurance-page-cache/production'; /** * @var string - Page Cache Filename. */ protected static $page_filename = 'endurance-page-cache.php'; /** * @var string - GitHub Repo + Brand Slug. */ protected static $browser_repo_branch = 'endurance-browser-cache/production'; /** * @var string - Browser Cache Filename. */ protected static $browser_filename = 'endurance-browser-cache.php'; /** * @var string - /wp-content/mu path on server. */ protected static $mu_plugin_dir = WP_CONTENT_DIR . '/mu-plugins'; /** * @var string|null - user-provided provided action. */ protected $current_action; /** * @var string|null - user-provided caching type. */ protected $current_type; /** * @var string|null - determined filename based on caching type. */ protected $current_filename; /** * @var string|null - current path for mu plugin file. */ protected $current_plugin_path; /** * @var string|null - current url for remote copy of plugin file. */ protected $current_remote; /** * Manage Full-Page Caching, Browser Caching and Object Caching. */ public function __invoke( $args, $assoc_args ) { if ( ! isset( $args[0] ) || ! isset( $args[1] ) ) { $this->error( 'Arguments didn\'t have first two params set' ); WP_CLI::halt( 400 ); } $this->current_type = $args[0]; $this->current_action = $args[1]; if ( ! in_array( $this->current_type, static::$cache_types ) ) { $this->error( 'Cache type bad.' ); WP_CLI::halt( 400 ); } if ( ! in_array( $this->current_action, static::$cache_actions ) ) { $this->error( 'Cache action bad.' ); WP_CLI::halt( 400 ); } switch ( $this->current_action ) { case 'add': $this->add(); break; case 'remove'; $this->remove(); break; } } /** * wp {alias} cache {$this->current_type} add */ private function add() { switch ( $this->current_type ) { case 'page': $this->current_plugin_path = trailingslashit( static::$mu_plugin_dir ) . static::$page_filename; $this->current_remote = $this->build_url( static::$org_url, static::$page_repo_branch, static::$page_filename ); $this->current_filename = static::$page_filename; $this->handle_remote_mu_plugin_load(); break; case 'browser': $this->current_plugin_path = trailingslashit( static::$mu_plugin_dir ) . static::$browser_filename; $this->current_remote = $this->build_url( static::$org_url, static::$browser_repo_branch, static::$browser_filename ); $this->current_filename = static::$browser_filename; $this->handle_remote_mu_plugin_load(); break; case 'object': $this->colorize_log( 'Object caching isn\'t available right now.' ); break; } } /** * wp {alias} cache {$this->current_type} remove */ private function remove() { switch ( $this->current_type ) { case 'page': $this->current_plugin_path = Utils\trailingslashit( static::$mu_plugin_dir ) . static::$page_filename; $this->remove_mu_plugin(); break; case 'browser': $this->current_plugin_path = Utils\trailingslashit( static::$mu_plugin_dir ) . static::$browser_filename; $this->remove_mu_plugin(); break; case 'object': $this->colorize_log( 'Object caching isn\'t available right now.' ); break; } } private function handle_remote_mu_plugin_load() { $this->assure_mu_plugin_dir(); if ( file_exists( $this->current_plugin_path ) ) { $this->confirm( ucfirst( $this->current_type ) . ' caching plugin already exists. Replace with fresh copy?', 'underline' ); } $this->get_plugin_from_githubraw( $this->current_remote, $this->current_filename ); } /** * Use WordPress HTTP Library to Retrieve Single-File Drop-In Plugin from GitHub Repository * * @param $url * @param $filename * @param string $dir * * @throws \WP_CLI\ExitException */ private function get_plugin_from_githubraw( $url, $filename, $dir = '' ) { $this->colorize_log( 'Downloading ' . ucfirst( $this->current_type ) . ' Cache from GitHub...' ); $dir = ! empty( $dir ) ? Utils\trailingslashit( $dir ) : Utils\trailingslashit( static::$mu_plugin_dir ); $response = Utils\http_request( 'GET', $url ); if ( is_object( $response ) && isset( $response->status_code ) && isset( $response->body ) && 200 === $response->status_code ) { $this->colorize_log( 'Adding timestamp to file...' ); $file_contents = $response->body . '/**' . PHP_EOL . '* FILE CREATED VIA WP-CLI' . PHP_EOL . '* ' . current_time( 'mysql' ) . PHP_EOL . '*/' . PHP_EOL; file_put_contents( $dir . $filename, $file_contents ); if ( file_exists( $dir . $filename ) ) { save_mod_rewrite_rules(); $this->success( ucfirst( $this->current_type ) . ' Cache placed in /mu-plugins/' . $filename . '. It\'s active!' ); } else { $this->error( 'Couldn\'t write ' . $this->current_type . ' cache file to ' . $dir ); } } else { $this->error( 'Couldn\'t download ' . $this->current_type . ' cache from ' . $url ); } } /** * Check for and create /wp-content/mu-plugins directory prior to writing to it. */ private function assure_mu_plugin_dir() { if ( is_dir( static::$mu_plugin_dir ) ) { $this->colorize_log( 'Found ' . static::$mu_plugin_dir, '', 'G' ); return; } else { $tried_making_dir = true; $this->colorize_log( 'Creating ' . static::$mu_plugin_dir . '...' ); mkdir( static::$mu_plugin_dir ); } if ( $tried_making_dir && is_dir( static::$mu_plugin_dir ) ) { $this->success( 'Created ' . static::$mu_plugin_dir ); } else { $this->error( 'Failed to create ' . static::$mu_plugin_dir . '. Update write permissions and try again.' ); } } /** * Remove $this->current_plugin_path from directory, report failure or if it wasn't there. */ private function remove_mu_plugin() { if ( file_exists( $this->current_plugin_path ) ) { if ( unlink( $this->current_plugin_path ) ) { save_mod_rewrite_rules(); $this->success( ucfirst( $this->current_type ) . ' caching disabled.' ); } else { $this->error( 'Failed to remove ' . ucfirst( $this->current_type ) . ' cache file from ' . static::$mu_plugin_dir ); } } else { $this->warning( ucfirst( $this->current_type ) . ' caching plugin file does not exist.' ); } } /** * Simple URL construction method from class constants * * @param string $root * @param string $repo_branch * @param string $filename * * @return string */ private function build_url( $root, $repo_branch, $filename ) { return Utils\trailingslashit( $root ) . Utils\trailingslashit( $repo_branch ) . $filename; } }
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