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<?php namespace Code_Snippets; /** * The main plugin class * * @package Code_Snippets */ class Plugin { /** * Current plugin version number * * @var string */ public $version; /** * Filesystem path to the main plugin file * * @var string */ public $file; /** * Database class * * @var DB */ public $db; /** * Administration area class * * @var Admin */ public $admin; /** * Front-end functionality class * * @var Frontend */ public $frontend; /** * Class for managing active snippets * * @var Active_Snippets */ public $active_snippets; /** * Class for providing REST API endpoints for snippet data. * * @var REST_API */ protected $rest_api; /** * Handles licensing and plugin updates. * * @var Licensing */ public $licensing; /** * * Class constructor * * @param string $version Current plugin version. * @param string $file Path to main plugin file. */ public function __construct( $version, $file ) { $this->version = $version; $this->file = $file; wp_cache_add_global_groups( CACHE_GROUP ); add_filter( 'code_snippets/execute_snippets', array( $this, 'disable_snippet_execution' ), 5 ); if ( isset( $_REQUEST['snippets-safe-mode'] ) ) { add_filter( 'home_url', array( $this, 'add_safe_mode_query_var' ) ); add_filter( 'admin_url', array( $this, 'add_safe_mode_query_var' ) ); } } /** * Initialise classes and include files */ public function load_plugin() { $includes_path = __DIR__; /* Database operation functions */ $this->db = new DB(); /* Snippet operation functions */ require_once $includes_path . '/snippet-ops.php'; /* CodeMirror editor functions */ require_once $includes_path . '/editor.php'; /* General Administration functions */ if ( is_admin() ) { $this->admin = new Admin(); } /* Settings component */ require_once $includes_path . '/settings/settings-fields.php'; require_once $includes_path . '/settings/editor-preview.php'; require_once $includes_path . '/settings/settings.php'; $this->rest_api = new REST_API(); $this->active_snippets = new Active_Snippets(); $this->frontend = new Frontend(); if ( class_exists( 'WP_CLI_Command' ) ) { Command::register(); } $upgrade = new Upgrade( $this->version, $this->db ); add_action( 'plugins_loaded', array( $upgrade, 'run' ), 0 ); $this->licensing = new Licensing(); } /** * Disable snippet execution if the necessary query var is set * * @param bool $execute_snippets Current filter value. * * @return bool New filter value. */ public function disable_snippet_execution( $execute_snippets ) { return ! empty( $_REQUEST['snippets-safe-mode'] ) && $this->current_user_can() ? false : $execute_snippets; } /** * Determine whether the menu is full or compact * * @return bool */ public function is_compact_menu() { return ! is_network_admin() && apply_filters( 'code_snippets_compact_menu', false ); } /** * Fetch the admin menu slug for a snippets menu. * * @param string $menu Name of menu to retrieve the slug for. * * @return string The menu's slug. */ public function get_menu_slug( $menu = '' ) { $add = array( 'single', 'add', 'add-new', 'add-snippet', 'new-snippet', 'add-new-snippet' ); $edit = array( 'edit', 'edit-snippet' ); $import = array( 'import', 'import-snippets', 'import-code-snippets' ); $settings = array( 'settings', 'snippets-settings' ); if ( in_array( $menu, $edit, true ) ) { return 'edit-snippet'; } elseif ( in_array( $menu, $add, true ) ) { return 'add-snippet'; } elseif ( in_array( $menu, $import, true ) ) { return 'import-code-snippets'; } elseif ( in_array( $menu, $settings, true ) ) { return 'snippets-settings'; } else { return 'snippets'; } } /** * Fetch the URL to a snippets admin menu. * * @param string $menu Name of menu to retrieve the URL to. * @param string $context URL scheme to use. * * @return string The menu's URL. */ public function get_menu_url( $menu = '', $context = 'self' ) { $slug = $this->get_menu_slug( $menu ); if ( $this->is_compact_menu() && 'network' !== $context ) { $base_slug = $this->get_menu_slug(); $url = 'tools.php?page=' . $base_slug; if ( $slug !== $base_slug ) { $url .= '&sub=' . $slug; } } else { $url = 'admin.php?page=' . $slug; } if ( 'network' === $context || 'snippets-settings' === $slug ) { return network_admin_url( $url ); } elseif ( 'admin' === $context ) { return admin_url( $url ); } else { return self_admin_url( $url ); } } /** * Fetch the admin menu slug for a snippets menu * * @param int $snippet_id Snippet ID. * @param string $context URL scheme to use. * * @return string The URL to the edit snippet page for that snippet. */ public function get_snippet_edit_url( $snippet_id, $context = 'self' ) { return add_query_arg( 'id', absint( $snippet_id ), $this->get_menu_url( 'edit', $context ) ); } /** * Determine whether the current user can perform actions on snippets. * * @return boolean Whether the current user has the required capability * @since 2.8.6 */ public function current_user_can() { return current_user_can( $this->get_cap() ); } /** * Retrieve the name of the capability required to manage sub-site snippets * * @return string */ public function get_cap_name() { return apply_filters( 'code_snippets_cap', 'manage_options' ); } /** * Retrieve the name of the capability required to manage network snippets * * @return string */ public function get_network_cap_name() { return apply_filters( 'code_snippets_network_cap', 'manage_network_options' ); } /** * Get the required capability to perform a certain action on snippets. * Does not check if the user has this capability or not. * * If multisite, checks if *Enable Administration Menus: Snippets* is active * under the *Settings > Network Settings* network admin menu * * @return string The capability required to manage snippets * @since 2.0 */ public function get_cap() { if ( is_multisite() ) { $menu_perms = get_site_option( 'menu_items', array() ); /* If multisite is enabled and the snippet menu is not activated, restrict snippet operations to super admins only */ if ( empty( $menu_perms['snippets'] ) ) { return $this->get_network_cap_name(); } } return $this->get_cap_name(); } /** * Inject the safe mode query var into URLs * * @param string $url Original URL. * * @return string Modified URL. */ public function add_safe_mode_query_var( $url ) { if ( isset( $_REQUEST['snippets-safe-mode'] ) ) { return add_query_arg( 'snippets-safe-mode', (bool) $_REQUEST['snippets-safe-mode'], $url ); } return $url; } /** * Retrieve a list of available snippet types and their labels. * * @return array */ public static function get_types() { return apply_filters( 'code_snippets_types', array( 'php' => __( 'Functions', 'code-snippets' ), 'html' => __( 'Content', 'code-snippets' ), 'css' => __( 'Styles', 'code-snippets' ), 'js' => __( 'Scripts', 'code-snippets' ), ) ); } /** * Determine whether a snippet type is Pro-only. * * @param string $type Snippet type name. * * @return bool */ public static function is_pro_type( $type ) { return 'css' === $type || 'js' === $type; } /** * Retrieve the description for a particular snippet type. * * @param string $type Snippet type name. * * @return string */ public function get_type_description( $type ) { $descriptions = array( 'php' => __( 'Function snippets are run on your site as if there were in a plugin or theme functions.php file.', 'code-snippets' ), 'html' => __( 'Content snippets are bits of reusable PHP and HTML content that can be inserted into posts and pages.', 'code-snippets' ), 'css' => __( 'Style snippets are written in CSS and loaded in the admin area or on the site front-end, just like the theme style.css.', 'code-snippets' ), 'js' => __( 'Script snippets are loaded on the site front-end in a JavaScript file, either in the head or body sections.', 'code-snippets' ), ); $descriptions = apply_filters( 'code_snippets/plugins/type_descriptions', $descriptions ); return isset( $descriptions[ $type ] ) ? $descriptions[ $type ] : ''; } }
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