installed plugin Easy Digital Downloads version 3.1.0.3

wp-content/plugins/easy-digital-downloads/includes/admin/extensions/abstract-extension.php

@@ -0,0 +1,346 @@
+<?php
+
+namespace EDD\Admin\Extensions;
+
+use \EDD\Admin\Pass_Manager;
+
+abstract class Extension {
+
+	/**
+	 * The product ID. This only needs to be set if the extending class is
+	 * for a single product.
+	 *
+	 * @since 2.11.4
+	 * @var int
+	 */
+	protected $item_id;
+
+	/**
+	 * The settings tab where this item will show.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	protected $settings_tab = '';
+
+	/**
+	 * The required AA pass level.
+	 */
+	const PASS_LEVEL = Pass_Manager::PERSONAL_PASS_ID;
+
+	/**
+	 * The Extension Manager
+	 *
+	 * @var \EDD\Admin\Extensions\Extension_Manager
+	 */
+	protected $manager;
+
+	/**
+	 * The settings section for this item.
+	 *
+	 * @since 2.11.5
+	 * @var string
+	 */
+	protected $settings_section = 'general';
+
+	public function __construct() {
+		$this->manager = new \EDD\Admin\Extensions\Extension_Manager( static::PASS_LEVEL );
+	}
+
+	/**
+	 * Whether the extension is activated.
+	 *
+	 * @since 2.11.4
+	 * @return bool
+	 */
+	abstract protected function is_activated();
+
+	/**
+	 * Output the settings field (installation helper).
+	 *
+	 * @return void
+	 */
+	public function settings_field() {
+		if ( $this->is_activated() ) {
+			return;
+		}
+		$this->do_single_extension_card();
+	}
+
+	/**
+	 * Outputs a single extension card.
+	 *
+	 * @since 2.11.4
+	 * @param false|int $item_id Optional: the individual extension product ID.
+	 * @return void
+	 */
+	public function do_single_extension_card( $item_id = false ) {
+		if ( empty( $item_id ) && empty( $this->item_id ) ) {
+			return;
+		}
+		$product_data = $this->get_product_data( $item_id );
+		if ( ! $product_data || empty( $product_data->title ) ) {
+			return;
+		}
+		$this->manager->do_extension_card(
+			$product_data,
+			$this->get_button_parameters( $product_data, $item_id ),
+			$this->get_link_parameters( $product_data ),
+			$this->get_configuration( $product_data )
+		);
+	}
+
+	/**
+	 * Gets the product data for a specific extension.
+	 *
+	 * @param false|int $item_id
+	 * @return bool|ProductData|array False if there is no data; product data object if there is, or possibly an array of arrays.
+	 */
+	public function get_product_data( $item_id = false ) {
+		require_once EDD_PLUGIN_DIR . 'includes/admin/extensions/class-extensions-api.php';
+		$api          = new ExtensionsAPI();
+		$body         = $this->get_api_body();
+		$api_item_id  = $item_id ?: $this->item_id;
+		$product_data = $api->get_product_data( $body, $api_item_id );
+		if ( ! $product_data ) {
+			return false;
+		}
+
+		if ( $api_item_id ) {
+			return $product_data;
+		}
+
+		if ( $item_id && ! empty( $product_data[ $item_id ] ) ) {
+			return $product_data[ $item_id ];
+		}
+
+		return $product_data;
+	}
+
+	/**
+	 * Gets the custom configuration for the extension.
+	 *
+	 * @since 2.11.4
+	 * @param ProductData $product_data Optionally allows the product data to be parsed in the configuration.
+	 * @return array
+	 */
+	protected function get_configuration( ProductData $product_data ) {
+		return array();
+	}
+
+	/**
+	 * Formats a custom description array by running wpautop and converting it to a string.
+	 *
+	 * @since 2.11.4
+	 * @param array $description The custom product description.
+	 * @return string
+	 */
+	protected function format_description( array $description ) {
+		return implode( '', array_map( 'wpautop', $description ) );
+	}
+
+	/**
+	 * Whether the current screen is an EDD setings screen.
+	 *
+	 * @since 2.11.4
+	 * @return bool
+	 */
+	protected function is_edd_settings_screen() {
+		return edd_is_admin_page( 'settings', $this->settings_tab );
+	}
+
+	/**
+	 * Whether the current screen is a download new/edit screen.
+	 *
+	 * @since 2.11.4
+	 * @return bool
+	 */
+	protected function is_download_edit_screen() {
+		return edd_is_admin_page( 'download', 'edit' ) || edd_is_admin_page( 'download', 'new' );
+	}
+
+	/**
+	 * Whether the section for an individual product can be registered/shown.
+	 *
+	 * @since 2.11.4
+	 * @return bool
+	 */
+	protected function can_show_product_section() {
+		if ( ! $this->is_edd_settings_screen() ) {
+			return false;
+		}
+		if ( $this->is_activated() ) {
+			return false;
+		}
+		if ( ! $this->get_product_data() ) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Gets the array for the body of the API request.
+	 * Classes may need to override this (for example, to query a specific tag).
+	 * Note that the first array key/value pair are used to create the option name.
+	 *
+	 * @return array
+	 */
+	protected function get_api_body() {
+		return array();
+	}
+
+	/**
+	 * Gets the type for the button data-type attribute.
+	 * This is intended to sync with the Products API request.
+	 * Default is product.
+	 *
+	 * Really a shim for array_key_first.
+	 *
+	 * @param array $array
+	 * @return string
+	 */
+	private function get_type( array $array ) {
+		$type = 'product';
+		if ( empty( $array ) ) {
+			return $type;
+		}
+		if ( function_exists( 'array_key_first' ) ) {
+			return array_key_first( $array );
+		}
+		foreach ( $array as $key => $unused ) {
+			return $key;
+		}
+
+		return $type;
+	}
+
+	/**
+	 * Gets the button parameters.
+	 * Classes should not need to replace this method.
+	 *
+	 * @param ProductData $product_data The extension data returned from the Products API.
+	 * @param int|false                         $item_id      Optional: the item ID.
+	 * @return array
+	 */
+	protected function get_button_parameters( ProductData $product_data, $item_id = false ) {
+		if ( empty( $item_id ) ) {
+			$item_id = $this->item_id;
+		}
+		$body   = $this->get_api_body();
+		$type   = $this->get_type( $body );
+		$id     = ! empty( $body[ $type ] ) ? $body[ $type ] : $this->item_id;
+		$button = array(
+			'type'    => $type,
+			'id'      => $id,
+			'product' => $item_id,
+		);
+		// If the extension is not installed, the button will prompt to install and activate it.
+		if ( ! $this->manager->is_plugin_installed( $product_data->basename ) ) {
+			if ( $this->manager->pass_can_download() ) {
+				$button = array(
+					/* translators: The extension name. */
+					'button_text' => sprintf( __( 'Log In to Your Account to Download %s', 'easy-digital-downloads' ), $product_data->title ),
+					'href'        => $this->get_upgrade_url( $product_data, $item_id, true ),
+					'new_tab'     => true,
+					'type'        => $type,
+				);
+			} else {
+				$button = array(
+					/* translators: The extension name. */
+					'button_text' => sprintf( __( 'Upgrade Today to Access %s!', 'easy-digital-downloads' ), $product_data->title ),
+					'href'        => $this->get_upgrade_url( $product_data, $item_id ),
+					'new_tab'     => true,
+					'type'        => $type,
+				);
+			}
+		} elseif ( ! empty( $product_data->basename ) && ! $this->manager->is_plugin_active( $product_data->basename ) ) {
+			// If the extension is installed, but not activated, the button will prompt to activate it.
+			$button['plugin'] = $product_data->basename;
+			$button['action'] = 'activate';
+			/* translators: The extension name. */
+			$button['button_text'] = sprintf( __( 'Activate %s', 'easy-digital-downloads' ), $product_data->title );
+		}
+
+		return $button;
+	}
+
+	/**
+	 * Gets the upgrade URL for the button.
+	 *
+	 * @since 2.11.4
+	 * @param ProductData $product_data The product data object.
+	 * @param int                               $item_id      The item/product ID.
+	 * @param bool                              $has_access   Whether the user already has access to the extension (based on pass level).
+	 * @return string
+	 */
+	private function get_upgrade_url( ProductData $product_data, $item_id, $has_access = false ) {
+		if ( $has_access ) {
+			$url = 'https://easydigitaldownloads.com/your-account/your-downloads/';
+		} else {
+			$url = 'https://easydigitaldownloads.com/lite-upgrade';
+		}
+
+		$utm_parameters = array(
+			'utm_medium'  => $this->settings_section,
+			'utm_content' => $product_data->slug,
+		);
+
+		return edd_link_helper(
+			$url,
+			$utm_parameters
+		);
+	}
+
+	/**
+	 * Gets the array of parameters for the link to configure the extension.
+	 *
+	 * @since 2.11.4
+	 * @param ProductData  $product_data  The product data object.
+	 * @return array
+	 */
+	protected function get_link_parameters( ProductData $product_data ) {
+		$configuration = $this->get_configuration( $product_data );
+		$tab           = ! empty( $configuration['tab'] ) ? $configuration['tab'] : $product_data->tab;
+		$section       = ! empty( $configuration['section'] ) ? $configuration['section'] : $product_data->section;
+		if ( empty( $tab ) && empty( $section ) ) {
+			return array(
+				/* translators: the plural Downloads label. */
+				'button_text' => sprintf( __( 'View %s', 'easy-digital-downloads' ), edd_get_label_plural() ),
+				'href'        => add_query_arg(
+					array(
+						'post_type' => 'download',
+					),
+					admin_url( 'edit.php' )
+				),
+			);
+		}
+
+		return array(
+			/* translators: The extension name. */
+			'button_text' => sprintf( __( 'Configure %s', 'easy-digital-downloads' ), $product_data->title ),
+			'href'        => edd_get_admin_url(
+				array(
+					'page'    => 'edd-settings',
+					'tab'     => urlencode( $tab ),
+					'section' => urlencode( $section ),
+				)
+			),
+		);
+	}
+
+	/**
+	 * Optionally hides the submit button on screens where it's not needed.
+	 *
+	 * @since 2.11.4
+	 * @return void
+	 */
+	public function hide_submit_button() {
+		if ( ! $this->can_show_product_section() ) {
+			return;
+		}
+		?>
+		<style>p.submit{display:none;}</style>
+		<?php
+	}
+}

wp-content/plugins/easy-digital-downloads/includes/admin/extensions/class-extension-manager.php

@@ -0,0 +1,483 @@
+<?php
+
+namespace EDD\Admin\Extensions;
+
+use \EDD\Admin\Pass_Manager;
+
+class Extension_Manager {
+
+	/**
+	 * All of the installed plugins on the site.
+	 *
+	 * @since 2.11.4
+	 * @var array
+	 */
+	public $all_plugins;
+
+	/**
+	 * The minimum pass ID required to install the extension.
+	 *
+	 * @since 2.11.4
+	 * @var int
+	 */
+	private $required_pass_id;
+
+	/**
+	 * Pass Manager class
+	 *
+	 * @var Pass_Manager
+	 */
+	protected $pass_manager;
+
+	public function __construct( $required_pass_id = null ) {
+		if ( $required_pass_id ) {
+			$this->required_pass_id = $required_pass_id;
+		}
+		$this->pass_manager = new Pass_Manager();
+
+		add_action( 'wp_ajax_edd_activate_extension', array( $this, 'activate' ) );
+		add_action( 'wp_ajax_edd_install_extension', array( $this, 'install' ) );
+		add_action( 'admin_enqueue_scripts', array( $this, 'register_assets' ) );
+	}
+
+	/**
+	 * Registers the extension manager script and style.
+	 *
+	 * @since 2.11.4
+	 * @return void
+	 */
+	public function register_assets() {
+		if ( wp_script_is( 'edd-extension-manager', 'registered' ) ) {
+			return;
+		}
+		$minify = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		wp_register_style( 'edd-extension-manager', EDD_PLUGIN_URL . "assets/css/edd-admin-extension-manager.min.css", array(), EDD_VERSION );
+		wp_register_script( 'edd-extension-manager', EDD_PLUGIN_URL . "assets/js/edd-admin-extension-manager.js", array( 'jquery' ), EDD_VERSION, true );
+		wp_localize_script(
+			'edd-extension-manager',
+			'EDDExtensionManager',
+			array(
+				'activating'               => __( 'Activating', 'easy-digital-downloads' ),
+				'installing'               => __( 'Installing', 'easy-digital-downloads' ),
+				'plugin_install_failed'    => __( 'Could not install the plugin. Please download and install it manually via Plugins > Add New.', 'easy-digital-downloads' ),
+				'extension_install_failed' => sprintf(
+					/* translators: 1. opening anchor tag, do not translate; 2. closing anchor tag, do not translate */
+					__( 'Could not install the extension. Please %1$sdownload it from your account%2$s and install it manually.', 'easy-digital-downloads' ),
+					'<a href="https://easydigitaldownloads.com/your-account/" target="_blank" rel="noopener noreferrer">',
+					'</a>'
+				),
+				'extension_manager_nonce'  => wp_create_nonce( 'edd_extensionmanager' ),
+			)
+		);
+	}
+
+	/**
+	 * Enqueues the extension manager script/style.
+	 *
+	 * @since 2.11.4
+	 * @return void
+	 */
+	public function enqueue() {
+		wp_enqueue_style( 'edd-extension-manager' );
+		wp_enqueue_script( 'edd-extension-manager' );
+	}
+
+	/**
+	 * Outputs a standard extension card.
+	 *
+	 * @since 2.11.4
+	 * @param ProductData $product             The product data object.
+	 * @param array        $inactive_parameters The array of information to build the button for an inactive/not installed plugin.
+	 * @param array        $active_parameters   The array of information needed to build the link to configure an active plugin.
+	 * @param array        $configuration       The optional array of data to override the product data retrieved from the API.
+	 * @return void
+	 */
+	public function do_extension_card( ProductData $product, $inactive_parameters, $active_parameters, $configuration = array() ) {
+		$this->enqueue();
+		if ( ! empty( $configuration ) ) {
+			$product = $product->mergeConfig( $configuration );
+		}
+		?>
+		<div class="<?php echo esc_attr( implode( ' ', array_map( 'sanitize_html_class', $this->get_card_classes( $product ) ) ) ); ?>">
+			<h3 class="edd-extension-manager__title"><?php echo esc_html( $product->title ); ?></h3>
+			<div class="edd-extension-manager__body">
+				<?php if ( ! empty( $product->image ) ) : ?>
+					<div class="edd-extension-manager__image">
+						<img alt="" src="<?php echo esc_url( $product->image ); ?>" />
+					</div>
+				<?php endif; ?>
+				<?php if ( ! empty( $product->description ) ) : ?>
+					<div class="edd-extension-manager__description"><?php echo wp_kses_post( wpautop( $product->description ) ); ?></div>
+				<?php endif; ?>
+				<?php if ( ! empty( $product->features ) && is_array( $product->features ) ) : ?>
+					<div class="edd-extension-manager__features">
+						<ul>
+						<?php foreach ( $product->features as $feature ) : ?>
+							<li><span class="dashicons dashicons-yes"></span><?php echo esc_html( $feature ); ?></li>
+						<?php endforeach; ?>
+						</ul>
+					</div>
+				<?php endif; ?>
+				<div class="edd-extension-manager__group">
+					<?php
+					if ( ! empty( $product->basename ) && ! $this->is_plugin_active( $product->basename ) ) {
+						?>
+						<div class="edd-extension-manager__step">
+							<?php $this->button( $inactive_parameters ); ?>
+						</div>
+						<?php
+					}
+					?>
+					<div class="edd-extension-manager__step">
+						<?php $this->link( $active_parameters ); ?>
+					</div>
+				</div>
+			</div>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Gets the CSS classes for the single extension card.
+	 *
+	 * @since 2.11.4
+	 * @param ProductData $product The product data object.
+	 * @return array The array of CSS classes.
+	 */
+	private function get_card_classes( $product ) {
+		$base_class   = 'edd-extension-manager__card';
+		$card_classes = array(
+			$base_class,
+		);
+		$variation    = 'stacked';
+		if ( ! empty( $product->style ) ) {
+			$variation = $product->style;
+		}
+		if ( 'detailed-2col' === $variation && ( empty( $product->features ) || ! is_array( $product->features ) ) ) {
+			$variation = 'detailed';
+		}
+		$card_classes[] = "{$base_class}--{$variation}";
+
+		return $card_classes;
+	}
+
+	/**
+	 * Outputs the button to activate/install a plugin/extension.
+	 * If a link is passed in the args, create a button style link instead (@uses $this->link()).
+	 *
+	 * @since 2.11.4
+	 * @param array $args The array of parameters for the button.
+	 * @return void
+	 */
+	public function button( $args ) {
+		if ( ! empty( $args['href'] ) ) {
+			$this->link( $args );
+			return;
+		}
+		$defaults = array(
+			'button_class' => 'button-primary',
+			'plugin'       => '',
+			'action'       => '',
+			'button_text'  => '',
+			'type'         => 'plugin',
+			'id'           => '',
+			'product'      => '',
+			'pass'         => $this->required_pass_id,
+		);
+		$args     = wp_parse_args( $args, $defaults );
+		if ( empty( $args['button_text'] ) ) {
+			return;
+		}
+		?>
+		<button
+			class="button <?php echo esc_attr( $args['button_class'] ); ?> edd-extension-manager__action"
+			<?php
+			foreach ( $args as $key => $attribute ) {
+				if ( empty( $attribute ) || in_array( $key, array( 'button_class', 'button_text' ), true ) ) {
+					continue;
+				}
+				printf(
+					' data-%s="%s"',
+					esc_attr( $key ),
+					esc_attr( $attribute )
+				);
+			}
+			?>
+		>
+			<?php echo esc_html( $args['button_text'] ); ?>
+		</button>
+		<?php
+	}
+
+	/**
+	 * Outputs the link, if it should be a link.
+	 *
+	 * @param array $args
+	 * @return void
+	 */
+	public function link( $args ) {
+		$defaults = array(
+			'button_class' => 'button-primary',
+			'button_text'  => '',
+		);
+		$args     = wp_parse_args( $args, $defaults );
+		if ( empty( $args['button_text'] ) ) {
+			return;
+		}
+		?>
+		<a
+			class="button <?php echo esc_attr( $args['button_class'] ); ?>"
+			href="<?php echo esc_url( $args['href'] ); ?>"
+			<?php echo ! empty( $args['new_tab'] ) ? ' target="_blank" rel="noopener noreferrer"' : ''; ?>
+		>
+			<?php echo esc_html( $args['button_text'] ); ?>
+		</a>
+		<?php
+	}
+
+	/**
+	 * Installs and maybe activates a plugin or extension.
+	 *
+	 * @since 2.11.4
+	 */
+	public function install() {
+
+		// Run a security check.
+		check_ajax_referer( 'edd_extensionmanager', 'nonce', true );
+
+		$generic_error = esc_html__( 'There was an error while performing your request.', 'easy-digital-downloads' );
+		$type          = ! empty( $_POST['type'] ) ? sanitize_text_field( $_POST['type'] ) : '';
+		$required_pass = ! empty( $_POST['pass'] ) ? sanitize_text_field( $_POST['pass'] ) : '';
+		$result        = array(
+			'message'      => $generic_error,
+			'is_activated' => false,
+		);
+		if ( ! $type ) {
+			wp_send_json_error( $result );
+		}
+
+		// Check if new installations are allowed.
+		if ( ! $this->can_install( $type, $required_pass ) ) {
+			wp_send_json_error( $result );
+		}
+
+		$result['message'] = 'plugin' === $type
+			? __( 'Could not install the plugin. Please download and install it manually via Plugins > Add New.', 'easy-digital-downloads' )
+			: sprintf(
+				/* translators: 1. opening anchor tag, do not translate; 2. closing anchor tag, do not translate */
+				__( 'Could not install the extension. Please %1$sdownload it from your account%2$s and install it manually.', 'easy-digital-downloads' ),
+				'<a href="https://easydigitaldownloads.com/your-account/" target="_blank" rel="noopener noreferrer">',
+				'</a>'
+			);
+
+		$plugin = ! empty( $_POST['plugin'] ) ? sanitize_text_field( $_POST['plugin'] ) : '';
+		if ( empty( $plugin ) ) {
+			wp_send_json_error( $result );
+		}
+
+		// Set the current screen to avoid undefined notices.
+		set_current_screen( 'download_page_edd-settings' );
+
+		// Prepare variables.
+		$url = esc_url_raw(
+			edd_get_admin_url(
+				array(
+					'page' => 'edd-addons',
+				)
+			)
+		);
+
+		ob_start();
+		$creds = request_filesystem_credentials( $url, '', false, false, null );
+
+		// Hide the filesystem credentials form.
+		ob_end_clean();
+
+		// Check for file system permissions.
+		if ( ! $creds ) {
+			wp_send_json_error( $result );
+		}
+
+		if ( ! WP_Filesystem( $creds ) ) {
+			wp_send_json_error( $result );
+		}
+
+		/*
+		 * We do not need any extra credentials if we have gotten this far, so let's install the plugin.
+		 */
+		require_once EDD_PLUGIN_DIR . 'includes/admin/installers/class-plugin-silent-upgrader.php';
+		require_once EDD_PLUGIN_DIR . 'includes/admin/installers/class-plugin-silent-upgrader-skin.php';
+		require_once EDD_PLUGIN_DIR . 'includes/admin/installers/class-install-skin.php';
+
+		// Do not allow WordPress to search/download translations, as this will break JS output.
+		remove_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
+
+		// Create the plugin upgrader with our custom skin.
+		$installer = new \EDD\Admin\Installers\PluginSilentUpgrader( new \EDD\Admin\Installers\Install_Skin() );
+
+		// Error check.
+		if ( ! method_exists( $installer, 'install' ) || empty( $plugin ) ) {
+			wp_send_json_error( $result );
+		}
+
+		$installer->install( $plugin ); // phpcs:ignore
+
+		// Flush the cache and return the newly installed plugin basename.
+		wp_cache_flush();
+
+		$plugin_basename = $installer->plugin_info();
+
+		// Check for permissions.
+		if ( ! current_user_can( 'activate_plugins' ) ) {
+			$result['message'] = 'plugin' === $type ? esc_html__( 'Plugin installed.', 'easy-digital-downloads' ) : esc_html__( 'Extension installed.', 'easy-digital-downloads' );
+
+			wp_send_json_error( $result );
+		}
+
+		$this->activate( $plugin_basename );
+	}
+
+	/**
+	 * Activates an existing extension.
+	 *
+	 * @since 2.11.4
+	 * @param string $plugin_basename Optional: the plugin basename.
+	 */
+	public function activate( $plugin_basename = '' ) {
+
+		$result = array(
+			'message'      => __( 'There was an error while performing your request.', 'easy-digital-downloads' ),
+			'is_activated' => false,
+		);
+
+		// Check for permissions.
+		if ( ! check_ajax_referer( 'edd_extensionmanager', 'nonce', false ) || ! current_user_can( 'activate_plugins' ) ) {
+			$result['message'] = __( 'Plugin activation is not available for you on this site.', 'easy-digital-downloads' );
+			wp_send_json_error( $result );
+		}
+
+		$already_installed = false;
+		if ( empty( $plugin_basename ) ) {
+			$plugin_basename   = ! empty( $_POST['plugin'] ) ? sanitize_text_field( $_POST['plugin'] ) : '';
+			$already_installed = true;
+		}
+
+		$plugin_basename = sanitize_text_field( wp_unslash( $plugin_basename ) );
+		$type            = ! empty( $_POST['type'] ) ? sanitize_text_field( $_POST['type'] ) : '';
+		if ( 'plugin' !== $type ) {
+			$type = 'extension';
+		}
+		$result = array(
+			/* translators: "extension" or "plugin" as defined by $type */
+			'message'      => sprintf( __( 'Could not activate the %s.', 'easy-digital-downloads' ), esc_html( $type ) ),
+			'is_activated' => false,
+		);
+		if ( empty( $plugin_basename ) || empty( $type ) ) {
+			wp_send_json_error( $result );
+		}
+
+		$result['basename'] = $plugin_basename;
+
+		// Activate the plugin silently.
+		$activated = activate_plugin( $plugin_basename );
+
+		if ( ! is_wp_error( $activated ) ) {
+
+			if ( $already_installed ) {
+				$message = 'plugin' === $type ? esc_html__( 'Plugin activated.', 'easy-digital-downloads' ) : esc_html__( 'Extension activated.', 'easy-digital-downloads' );
+			} else {
+				$message = 'plugin' === $type ? esc_html__( 'Plugin installed & activated.', 'easy-digital-downloads' ) : esc_html__( 'Extension installed & activated.', 'easy-digital-downloads' );
+			}
+			$result['is_activated'] = true;
+			$result['message']      = $message;
+
+			wp_send_json_success( $result );
+		}
+
+		// Fallback error just in case.
+		wp_send_json_error( $result );
+	}
+
+	/**
+	 * Determine if the plugin/extension installations are allowed.
+	 *
+	 * @since 2.11.4
+	 *
+	 * @param string $type Should be `plugin` or `extension`.
+	 *
+	 * @return bool
+	 */
+	public function can_install( $type, $required_pass_id = false ) {
+
+		if ( ! current_user_can( 'install_plugins' ) ) {
+			return false;
+		}
+
+		// Determine whether file modifications are allowed.
+		if ( ! wp_is_file_mod_allowed( 'edd_can_install' ) ) {
+			return false;
+		}
+
+		// All plugin checks are done.
+		if ( 'plugin' === $type ) {
+			return true;
+		}
+
+		return $this->pass_can_download( $required_pass_id );
+	}
+
+	/**
+	 * Checks if a user's pass can download an extension.
+	 *
+	 * @since 2.11.4
+	 * @return bool Returns true if the current site has an active pass and it is greater than or equal to the extension's minimum pass.
+	 */
+	public function pass_can_download( $required_pass_id = false ) {
+		$highest_pass_id = $this->pass_manager->highest_pass_id;
+		if ( ! $required_pass_id ) {
+			$required_pass_id = $this->required_pass_id;
+		}
+
+		return ! empty( $highest_pass_id ) && ! empty( $required_pass_id ) && $this->pass_manager->pass_compare( $highest_pass_id, $required_pass_id, '>=' );
+	}
+
+	/**
+	 * Get all installed plugins.
+	 *
+	 * @since 2.11.4
+	 * @return array
+	 */
+	public function get_plugins() {
+		if ( $this->all_plugins ) {
+			return $this->all_plugins;
+		}
+
+		$this->all_plugins = get_plugins();
+
+		return $this->all_plugins;
+	}
+
+	/**
+	 * Check if a plugin is installed.
+	 *
+	 * @since 2.11.4
+	 * @param  string $plugin The path to the main plugin file, eg 'my-plugin/my-plugin.php'.
+	 * @return boolean
+	 */
+	public function is_plugin_installed( $plugin ) {
+		return array_key_exists( $plugin, $this->get_plugins() );
+	}
+
+	/**
+	 * Whether a given plugin is active or not.
+	 *
+	 * @since 2.11.4
+	 * @param string|ProductData $basename_or_data The path to the main plugin file, eg 'my-plugin/my-plugin.php', or the product data object.
+	 * @return boolean
+	 */
+	public function is_plugin_active( $basename_or_data ) {
+		$basename = ! empty( $basename_or_data->basename ) ? $basename_or_data->basename : $basename_or_data;
+
+		return ! empty( $basename ) && is_plugin_active( $basename );
+	}
+}

wp-content/plugins/easy-digital-downloads/includes/admin/extensions/class-extension-product-data.php

@@ -0,0 +1,111 @@
+<?php
+
+namespace EDD\Admin\Extensions;
+
+class ProductData {
+
+	/**
+	 * The product name.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	public $title;
+
+	/**
+	 * The product slug.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	public $slug = '';
+
+	/**
+	 * The URL for the product featured image.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	public $image;
+
+	/**
+	 * The product description.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	public $description;
+
+	/**
+	 * The extension basename.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	public $basename;
+
+	/**
+	 * The settings tab where the extension settings will show.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	public $tab;
+
+	/**
+	 * The settings section for the extension.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	public $section;
+
+	/**
+	 * The product features.
+	 *
+	 * @since 2.11.4
+	 * @var array
+	 */
+	public $features = array();
+
+	/**
+	 * Take array and return object.
+	 *
+	 * @since 2.11.4
+	 * @param array $array
+	 * @return ProductData
+	 * @throws \InvalidArgumentException
+	 */
+	public function fromArray( $array ) {
+		$expected_keys  = array( 'title', 'slug', 'description', 'basename' );
+		$array_to_check = array_intersect_key( $array, array_flip( $expected_keys ) );
+
+		if ( empty( $array_to_check ) ) {
+			throw new \InvalidArgumentException(
+				'Invalid ProductData object, must have the exact following keys: ' . implode( ', ', $expected_keys )
+			);
+		}
+
+		$product_data = new self();
+		foreach ( $array as $key => $value ) {
+			$product_data->$key = $value;
+		}
+
+		return $product_data;
+	}
+
+	/**
+	 * Merge an array of data into an object.
+	 *
+	 * @since 2.11.4
+	 * @param  array       $configuration The custom configuration data.
+	 * @return ProductData
+	 */
+	public function mergeConfig( array $configuration ) {
+		foreach ( $configuration as $key => $value ) {
+			$this->{$key} = $value;
+		}
+
+		return $this;
+	}
+}

wp-content/plugins/easy-digital-downloads/includes/admin/extensions/class-extensions-api.php

@@ -0,0 +1,222 @@
+<?php
+
+namespace EDD\Admin\Extensions;
+
+class ExtensionsAPI {
+
+	/**
+	 * Gets the product data from the EDD Products API.
+	 *
+	 * @since 2.11.4
+	 * @param array $body    The body for the API request.
+	 * @param int   $item_id The product ID, if querying a single product.
+	 * @return false|array|ProductData
+	 */
+	public function get_product_data( $body = array(), $item_id = false ) {
+		if ( empty( $body ) ) {
+			if ( empty( $item_id ) ) {
+				return false;
+			}
+			$body = $this->get_api_body( $item_id );
+		}
+		$key = $this->array_key_first( $body );
+		// The option name is created from the first key/value pair of the API "body".
+		$option_name = sanitize_key( "edd_extension_{$key}_{$body[ $key ]}_data" );
+		$option      = get_option( $option_name );
+		$is_stale    = $this->option_has_expired( $option );
+
+		// The ProductData class.
+		$product_data = new ProductData();
+
+		// If the data is "fresh" and what we want exists, return it.
+		if ( $option && ! $is_stale ) {
+			if ( $item_id && ! empty( $option[ $item_id ] ) ) {
+				return $product_data->fromArray( $option[ $item_id ] );
+			} elseif ( ! empty( $option['timeout'] ) ) {
+				unset( $option['timeout'] );
+
+				return $option;
+			}
+		}
+
+		// Get all of the product data.
+		$all_product_data = $this->get_all_product_data();
+
+		// If no product data was retrieved, let the option sit for an hour.
+		if ( empty( $all_product_data ) ) {
+			$data = array(
+				'timeout' => strtotime( '+1 hour', time() ),
+			);
+			if ( $option && $is_stale ) {
+				$data = array_merge( $option, $data );
+			}
+			update_option(
+				$option_name,
+				$data,
+				false
+			);
+
+			if ( $item_id && ! empty( $option[ $item_id ] ) ) {
+				return $product_data->fromArray( $option[ $item_id ] );
+			}
+			unset( $option['timeout'] );
+
+			return $option;
+		}
+
+		$value = array(
+			'timeout' => strtotime( '+1 week', time() ),
+		);
+		if ( $item_id && ! empty( $all_product_data->$item_id ) ) {
+			$item              = $all_product_data->$item_id;
+			$value[ $item_id ] = $this->get_item_data( $item );
+		} elseif ( in_array( $key, array( 'category', 'tag' ), true ) ) {
+			$term_id = $body[ $key ];
+			foreach ( $all_product_data as $item_id => $item ) {
+				if ( 'category' === $key && ( empty( $item->categories ) || ! in_array( $term_id, $item->categories, true ) ) ) {
+					continue;
+				} elseif ( 'tag' === $key && ( empty( $item->tags ) || ! in_array( $term_id, $item->tags, true ) ) ) {
+					continue;
+				}
+				$value[ $item_id ] = $this->get_item_data( $item );
+			}
+		}
+
+		update_option( $option_name, $value, false );
+		unset( $value['timeout'] );
+
+		return $item_id && ! empty( $value[ $item_id ] ) ? $product_data->fromArray( $value[ $item_id ] ) : $value;
+	}
+
+	/**
+	 * Gets all of the product data, either from an option or an API request.
+	 * If the option exists and has data, it will be an object.
+	 *
+	 * @since 2.11.4
+	 * @return object|false
+	 */
+	private function get_all_product_data() {
+		// Possibly all product data is in an option. If it is, return it.
+		$all_product_data = get_option( 'edd_all_extension_data' );
+		if ( $all_product_data && ! $this->option_has_expired( $all_product_data ) ) {
+			return ! empty( $all_product_data['products'] ) ? $all_product_data['products'] : false;
+		}
+
+		// Otherwise, query the API.
+		$url     = add_query_arg(
+			array(
+				'edd_action' => 'extension_data',
+			),
+			$this->get_products_url()
+		);
+		$request = wp_remote_get(
+			esc_url_raw( $url ),
+			array(
+				'timeout'   => 15,
+				'sslverify' => true,
+			)
+		);
+
+		// If there was an API error, set option and return false.
+		if ( is_wp_error( $request ) || ( 200 !== wp_remote_retrieve_response_code( $request ) ) ) {
+			update_option(
+				'edd_all_extension_data',
+				array(
+					'timeout' => strtotime( '+1 hour', time() ),
+				),
+				false
+			);
+
+			return false;
+		}
+
+		// Fresh data has been retrieved, so update the option with a four hour timeout.
+		$all_product_data = json_decode( wp_remote_retrieve_body( $request ) );
+		$data             = array(
+			'timeout'  => strtotime( '+4 hours', time() ),
+			'products' => $all_product_data,
+		);
+
+		update_option( 'edd_all_extension_data', $data, false );
+
+		return $all_product_data;
+	}
+
+	/**
+	 * Gets the product data as needed for the extension manager.
+	 *
+	 * @since 2.11.4
+	 * @param object $item
+	 * @return array
+	 */
+	private function get_item_data( $item ) {
+		return array(
+			'title'       => ! empty( $item->title ) ? $item->title : '',
+			'slug'        => ! empty( $item->slug ) ? $item->slug : '',
+			'image'       => ! empty( $item->image ) ? $item->image : '',
+			'description' => ! empty( $item->excerpt ) ? $item->excerpt : '',
+			'basename'    => ! empty( $item->custom_meta->basename ) ? $item->custom_meta->basename : '',
+			'tab'         => ! empty( $item->custom_meta->settings_tab ) ? $item->custom_meta->settings_tab : '',
+			'section'     => ! empty( $item->custom_meta->settings_section ) ? $item->custom_meta->settings_section : '',
+		);
+	}
+
+	/**
+	 * Gets the base url for the products remote request.
+	 *
+	 * @since 2.11.4
+	 * @return string
+	 */
+	private function get_products_url() {
+		if ( defined( 'EDD_PRODUCTS_URL' ) ) {
+			return EDD_PRODUCTS_URL;
+		}
+
+		return 'https://easydigitaldownloads.com/';
+	}
+
+	/**
+	 * Gets the default array for the body of the API request.
+	 * A class may override this by setting an array to query a tag or category.
+	 * Note that the first array key/value pair are used to create the option name.
+	 *
+	 * @since 2.11.4
+	 * @param int $item_id The product ID.
+	 * @return array
+	 */
+	private function get_api_body( $item_id ) {
+		return array(
+			'product' => $item_id,
+		);
+	}
+
+	/**
+	 * Gets the first key of an array.
+	 * (Shims array_key_first for PHP < 7.3)
+	 *
+	 * @since 2.11.4
+	 * @param array $array
+	 * @return string|null
+	 */
+	private function array_key_first( array $array ) {
+		if ( function_exists( 'array_key_first' ) ) {
+			return array_key_first( $array );
+		}
+		foreach ( $array as $key => $unused ) {
+			return $key;
+		}
+
+		return null;
+	}
+
+	/**
+	 * Checks whether a given option has "expired".
+	 *
+	 * @since 2.11.4
+	 * @param array|false $option
+	 * @return bool
+	 */
+	private function option_has_expired( $option ) {
+		return empty( $option['timeout'] ) || time() > $option['timeout'];
+	}
+}

wp-content/plugins/easy-digital-downloads/includes/admin/extensions/product-education/class-email-marketing.php

@@ -0,0 +1,132 @@
+<?php
+/**
+ * Email Marketing
+ *
+ * Manages automatic installation/activation for email marketing extensions.
+ *
+ * @package     EDD
+ * @subpackage  EmailMarketing
+ * @copyright   Copyright (c) 2021, Easy Digital Downloads
+ * @license     https://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       2.11.4
+ */
+namespace EDD\Admin\Settings;
+
+use \EDD\Admin\Extensions\Extension;
+
+class EmailMarketing extends Extension {
+
+	/**
+	 * The EDD settings tab where this extension should show.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	protected $settings_tab = 'marketing';
+
+	/**
+	 * The settings section for this item.
+	 *
+	 * @since 2.11.5
+	 * @var string
+	 */
+	protected $settings_section = 'email_marketing';
+
+	public function __construct() {
+		add_filter( 'edd_settings_sections_marketing', array( $this, 'add_section' ) );
+		add_action( 'edd_settings_tab_top_marketing_email_marketing', array( $this, 'field' ) );
+
+		parent::__construct();
+	}
+
+	/**
+	 * Adds an email marketing section to the Marketing tab.
+	 *
+	 * @since 2.11.4
+	 * @param array $sections
+	 * @return array
+	 */
+	public function add_section( $sections ) {
+		if ( ! $this->is_edd_settings_screen() ) {
+			return $sections;
+		}
+		$product_data = $this->get_product_data();
+		if ( ! $product_data || ! is_array( $product_data ) ) {
+			return $sections;
+		}
+		$sections[ $this->settings_section ] = __( 'Email Marketing', 'easy-digital-downloads' );
+
+		return $sections;
+	}
+
+	/**
+	 * Gets the customized configuration for the extension card.
+	 *
+	 * @since 2.11.4
+	 * @param \EDD\Admin\Extensions\ProductData $product_data The product data object.
+	 * @return array
+	 */
+	protected function get_configuration( \EDD\Admin\Extensions\ProductData $product_data ) {
+		$configuration = array();
+		if ( ! empty( $product_data->title ) ) {
+			/* translators: the product name */
+			$configuration['title'] = sprintf( __( 'Get %s Today!', 'easy-digital-downloads' ), $product_data->title );
+		}
+
+		return $configuration;
+	}
+
+	/**
+	 * Adds the email marketing extensions as cards.
+	 *
+	 * @since 2.11.4
+	 * @return void
+	 */
+	public function field() {
+		$this->hide_submit_button();
+		if ( $this->is_activated() ) {
+			printf( '<p>%s</p>', esc_html__( 'Looks like you have an email marketing extension installed, but we support more providers!', 'easy-digital-downloads' ) );
+		}
+		?>
+		<div class="edd-extension-manager__card-group">
+			<?php
+			foreach ( $this->get_product_data() as $item_id => $extension ) {
+				$this->do_single_extension_card( $item_id );
+			}
+			?>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Overrides the body array sent to the Products API.
+	 *
+	 * @since 2.11.4
+	 * @return array
+	 */
+	protected function get_api_body() {
+		return array(
+			'tag' => 1578,
+		);
+	}
+
+	/**
+	 * Whether any email marketing extension is active.
+	 *
+	 * @since 2.11.4
+	 *
+	 * @return bool True if any email marketing extension is active.
+	 */
+	protected function is_activated() {
+		foreach ( $this->get_product_data() as $extension ) {
+			// The data is stored in the database as an array--at this point it has not been converted to an object.
+			if ( ! empty( $extension['basename'] ) && $this->manager->is_plugin_active( $extension['basename'] ) ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+}
+
+new EmailMarketing();

wp-content/plugins/easy-digital-downloads/includes/admin/extensions/product-education/class-invoices.php

@@ -0,0 +1,124 @@
+<?php
+/**
+ * Invoices
+ *
+ * Manages automatic installation/activation for Invoices.
+ *
+ * @package     EDD
+ * @subpackage  Invoices
+ * @copyright   Copyright (c) 2021, Easy Digital Downloads
+ * @license     https://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       2.11.4
+ */
+namespace EDD\Admin\Settings;
+
+use \EDD\Admin\Extensions\Extension;
+
+class Invoices extends Extension {
+
+	/**
+	 * The product ID on EDD.
+	 *
+	 * @var integer
+	 */
+	protected $item_id = 375153;
+
+	/**
+	 * The EDD settings tab where this extension should show.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	protected $settings_tab = 'gateways';
+
+	/**
+	 * The settings section for this item.
+	 *
+	 * @since 2.11.5
+	 * @var string
+	 */
+	protected $settings_section = 'invoices';
+
+	/**
+	 * The pass level required to access this extension.
+	 */
+	const PASS_LEVEL = \EDD\Admin\Pass_Manager::EXTENDED_PASS_ID;
+
+	public function __construct() {
+		add_filter( 'edd_settings_sections_gateways', array( $this, 'add_section' ) );
+		add_action( 'edd_settings_tab_top_gateways_invoices', array( $this, 'settings_field' ) );
+		add_action( 'edd_settings_tab_top_gateways_invoices', array( $this, 'hide_submit_button' ) );
+
+		parent::__construct();
+	}
+
+	/**
+	 * Gets the custom configuration for Invoices.
+	 *
+	 * @since 2.11.4
+	 * @param \EDD\Admin\Extensions\ProductData $product_data The product data object.
+	 * @return array
+	 */
+	protected function get_configuration( \EDD\Admin\Extensions\ProductData $product_data ) {
+		return array(
+			'style'       => 'detailed-2col',
+			'title'       => 'Attractive Invoices For Your Customers',
+			'description' => $this->get_custom_description(),
+			'features'    => array(
+				'Generate Attractive Invoices',
+				'Build Customer Confidence',
+				'PDF Download Support',
+				'Include in Purchase Emails',
+				'Customizable Templates',
+			),
+		);
+	}
+
+	/**
+	 * Gets a custom description for the Invoices extension card.
+	 *
+	 * @since 2.11.4
+	 * @return string
+	 */
+	private function get_custom_description() {
+		$description = array(
+			'Impress customers and build customer loyalty with attractive invoices. Making it easy to locate, save, and print purchase history builds trust with customers.',
+			'Provide a professional experience with customizable templates and one-click PDF downloads. ',
+		);
+
+		return $this->format_description( $description );
+	}
+
+	/**
+	 * Adds the Invoices Payments section to the settings.
+	 *
+	 * @param array $sections
+	 * @return array
+	 */
+	public function add_section( $sections ) {
+		if ( ! $this->can_show_product_section() ) {
+			return $sections;
+		}
+
+		$sections[ $this->settings_section ] = __( 'Invoices', 'easy-digital-downloads' );
+
+		return $sections;
+	}
+
+	/**
+	 * Whether EDD Invoices active or not.
+	 *
+	 * @since 2.11.4
+	 *
+	 * @return bool True if Invoices is active.
+	 */
+	protected function is_activated() {
+		if ( $this->manager->is_plugin_active( $this->get_product_data() ) ) {
+			return true;
+		}
+
+		return class_exists( 'EDDInvoices' );
+	}
+}
+
+new Invoices();

wp-content/plugins/easy-digital-downloads/includes/admin/extensions/product-education/class-recurring.php

@@ -0,0 +1,124 @@
+<?php
+/**
+ * Recurring Payments
+ *
+ * Manages automatic activation for Recurring Payments.
+ *
+ * @package     EDD
+ * @subpackage  Recurring
+ * @copyright   Copyright (c) 2021, Easy Digital Downloads
+ * @license     https://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       2.11.4
+ */
+namespace EDD\Admin\Settings;
+
+use \EDD\Admin\Extensions\Extension;
+
+class Recurring extends Extension {
+
+	/**
+	 * The product ID on EDD.
+	 *
+	 * @var integer
+	 */
+	protected $item_id = 28530;
+
+	/**
+	 * The EDD settings tab where this extension should show.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	protected $settings_tab = 'gateways';
+
+	/**
+	 * The pass level required to access this extension.
+	 */
+	const PASS_LEVEL = \EDD\Admin\Pass_Manager::EXTENDED_PASS_ID;
+
+	/**
+	 * The settings section for this item.
+	 *
+	 * @since 2.11.5
+	 * @var string
+	 */
+	protected $settings_section = 'recurring';
+
+	public function __construct() {
+		add_filter( 'edd_settings_sections_gateways', array( $this, 'add_section' ) );
+		add_action( 'edd_settings_tab_top_gateways_recurring', array( $this, 'settings_field' ) );
+		add_action( 'edd_settings_tab_top_gateways_recurring', array( $this, 'hide_submit_button' ) );
+
+		parent::__construct();
+	}
+
+	/**
+	 * Gets the custom configuration for Recurring.
+	 *
+	 * @since 2.11.4
+	 * @param \EDD\Admin\Extensions\ProductData $product_data The product data object.
+	 * @return array
+	 */
+	protected function get_configuration( \EDD\Admin\Extensions\ProductData $product_data ) {
+		return array(
+			'style'       => 'detailed-2col',
+			'title'       => 'Increase Revenue By Selling Subscriptions!',
+			'description' => $this->get_custom_description(),
+			'features'    => array(
+				'Flexible Recurring Payments',
+				'Custom Reminder Emails',
+				'Free Trial Support',
+				'Signup Fees',
+				'Recurring Revenue Reports',
+			),
+		);
+	}
+
+	/**
+	 * Gets a custom description for the Recurring extension card.
+	 *
+	 * @since 2.11.4
+	 * @return string
+	 */
+	private function get_custom_description() {
+		$description = array(
+			'Grow stable income by selling subscriptions and make renewals hassle free for your customers.',
+			'When your customers are automatically billed, you reduce the risk of missed payments and retain more customers.',
+		);
+
+		return $this->format_description( $description );
+	}
+
+	/**
+	 * Adds the Recurring Payments section to the settings.
+	 *
+	 * @param array $sections
+	 * @return array
+	 */
+	public function add_section( $sections ) {
+		if ( ! $this->can_show_product_section() ) {
+			return $sections;
+		}
+
+		$sections[ $this->settings_section ] = __( 'Recurring Payments', 'easy-digital-downloads' );
+
+		return $sections;
+	}
+
+	/**
+	 * Whether EDD Recurring active or not.
+	 *
+	 * @since 2.11.4
+	 *
+	 * @return bool True if Recurring is active.
+	 */
+	protected function is_activated() {
+		if ( $this->manager->is_plugin_active( $this->get_product_data() ) ) {
+			return true;
+		}
+
+		return class_exists( 'EDD_Recurring' );
+	}
+}
+
+new Recurring();

wp-content/plugins/easy-digital-downloads/includes/admin/extensions/product-education/class-reviews.php

@@ -0,0 +1,152 @@
+<?php
+/**
+ * Reviews
+ *
+ * Manages automatic activation for Reviews.
+ *
+ * @package     EDD
+ * @subpackage  Reviews
+ * @copyright   Copyright (c) 2021, Easy Digital Downloads
+ * @license     https://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       2.11.4
+ */
+namespace EDD\Admin\Settings;
+
+use \EDD\Admin\Extensions\Extension;
+
+class Reviews extends Extension {
+
+	/**
+	 * The product ID on EDD.
+	 *
+	 * @var integer
+	 */
+	protected $item_id = 37976;
+
+	/**
+	 * The EDD settings tab where this extension should show.
+	 *
+	 * @since 2.11.4
+	 * @var string
+	 */
+	protected $settings_tab = 'marketing';
+
+	/**
+	 * The settings section for this item.
+	 *
+	 * @since 2.11.5
+	 * @var string
+	 */
+	protected $settings_section = 'reviews';
+
+	/**
+	 * The pass level required to access this extension.
+	 */
+	const PASS_LEVEL = \EDD\Admin\Pass_Manager::EXTENDED_PASS_ID;
+
+	public function __construct() {
+		add_filter( 'edd_settings_sections_marketing', array( $this, 'add_section' ) );
+		add_action( 'edd_settings_tab_top_marketing_reviews', array( $this, 'settings_field' ) );
+		add_action( 'edd_settings_tab_top_marketing_reviews', array( $this, 'hide_submit_button' ) );
+		add_action( 'add_meta_boxes', array( $this, 'maybe_do_metabox' ) );
+
+		parent::__construct();
+	}
+
+	/**
+	 * Gets the custom configuration for Reviews.
+	 *
+	 * @since 2.11.4
+	 * @param \EDD\Admin\Extensions\ProductData $product_data The product data object.
+	 * @return array
+	 */
+	protected function get_configuration( \EDD\Admin\Extensions\ProductData $product_data ) {
+		$configuration          = array(
+			'title' => 'Build Trust With Real Customer Reviews',
+		);
+		$settings_configuration = array(
+			'style'       => 'detailed-2col',
+			'description' => $this->get_custom_description(),
+			'features'    => array(
+				'Request Reviews',
+				'Incentivize Reviewers',
+				'Full Schema.org Support',
+				'Embed Reviews Via Blocks',
+				'Limit Reviews to Customers',
+				'Vendor Reviews (with Frontend Submissions)',
+			),
+		);
+		return $this->is_edd_settings_screen() ? array_merge( $configuration, $settings_configuration ) : $configuration;
+	}
+
+	/**
+	 * Gets a custom description for the Reviews extension card.
+	 *
+	 * @since 2.11.4
+	 * @return string
+	 */
+	private function get_custom_description() {
+		$description = array(
+			'Increase sales on your site with social proof. 70% of online shoppers don\'t purchase before reading reviews.',
+			'Easily collect, manage, and beautifully display reviews all from your WordPress dashboard.',
+		);
+
+		return $this->format_description( $description );
+	}
+
+	/**
+	 * Adds the Reviews section to the settings.
+	 *
+	 * @param array $sections
+	 * @return array
+	 */
+	public function add_section( $sections ) {
+		if ( ! $this->can_show_product_section() ) {
+			return $sections;
+		}
+
+		$sections[ $this->settings_section ] = __( 'Reviews', 'easy-digital-downloads' );
+
+		return $sections;
+	}
+
+	/**
+	 * If Reviews is not active, registers a metabox on individual download edit screen.
+	 *
+	 * @since 2.11.4
+	 * @return void
+	 */
+	public function maybe_do_metabox() {
+		if ( ! $this->is_download_edit_screen() ) {
+			return;
+		}
+		if ( $this->is_activated() ) {
+			return;
+		}
+		add_meta_box(
+			'edd-reviews-status',
+			__( 'Product Reviews', 'easy-digital-downloads' ),
+			array( $this, 'settings_field' ),
+			'download',
+			'side',
+			'low'
+		);
+	}
+
+	/**
+	 * Whether EDD Reviews active or not.
+	 *
+	 * @since 2.11.4
+	 *
+	 * @return bool True if Reviews is active.
+	 */
+	protected function is_activated() {
+		if ( $this->manager->is_plugin_active( $this->get_product_data() ) ) {
+			return true;
+		}
+
+		return function_exists( 'edd_reviews' );
+	}
+}
+
+new Reviews();

wp-content/plugins/easy-digital-downloads/includes/admin/extensions/product-education/class-wpsmtp.php

@@ -0,0 +1,232 @@
+<?php
+/**
+ * WP Mail SMTP
+ *
+ * Manages automatic installation/activation for WP Mail SMTP.
+ *
+ * @package     EDD
+ * @subpackage  WP_SMTP
+ * @copyright   Copyright (c) 2021, Easy Digital Downloads
+ * @license     https://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       2.11.4
+ */
+namespace EDD\Admin\Settings;
+
+class WP_SMTP {
+
+	/**
+	 * Array of configuration data for WP Mail SMTP.
+	 *
+	 * @var array
+	 */
+	private $config = array(
+		'lite_plugin'       => 'wp-mail-smtp/wp_mail_smtp.php',
+		'lite_wporg_url'    => 'https://wordpress.org/plugins/wp-mail-smtp/',
+		'lite_download_url' => 'https://downloads.wordpress.org/plugin/wp-mail-smtp.zip',
+		'pro_plugin'        => 'wp-mail-smtp-pro/wp_mail_smtp.php',
+		'smtp_settings'     => 'admin.php?page=wp-mail-smtp',
+		'smtp_wizard'       => 'admin.php?page=wp-mail-smtp-setup-wizard',
+	);
+
+	/**
+	 * The Extension Manager
+	 *
+	 * @var \EDD\Admin\Extensions\Extension_Manager
+	 */
+	private $manager;
+
+	public function __construct() {
+		add_filter( 'edd_settings_emails', array( $this, 'register_setting' ) );
+		add_action( 'edd_wpsmtp', array( $this, 'settings_field' ) );
+
+		$this->manager = new \EDD\Admin\Extensions\Extension_Manager();
+	}
+
+	/**
+	 * Register the setting to show the WP SMTP installer if it isn't active.
+	 *
+	 * @param array $settings
+	 * @return array
+	 */
+	public function register_setting( $settings ) {
+		if ( $this->is_smtp_configured() ) {
+			return $settings;
+		}
+		$settings['main']['wpsmtp'] = array(
+			'id'   => 'wpsmtp',
+			'name' => __( 'Improve Email Deliverability', 'easy-digital-downloads' ),
+			'desc' => '',
+			'type' => 'hook',
+		);
+
+		return $settings;
+	}
+
+	/**
+	 * Output the settings field (installation helper).
+	 *
+	 * @param array $args
+	 * @return void
+	 */
+	public function settings_field( $args ) {
+		$this->manager->enqueue();
+		?>
+		<div class="edd-extension-manager__body">
+			<p class="edd-extension-manager__description">
+				<?php esc_html_e( 'WP Mail SMTP allows you to easily set up WordPress to use a trusted provider to reliably send emails, including sales notifications.', 'easy-digital-downloads' ); ?>
+			</p>
+
+			<div class="edd-extension-manager__group">
+				<div class="edd-extension-manager__step">
+					<?php $this->manager->button( $this->get_button_parameters() ); ?>
+				</div>
+
+				<?php
+				if ( $this->is_smtp_activated() ) {
+					return;
+				}
+				?>
+				<div class="edd-extension-manager__step" style="display:none;">
+					<?php $this->manager->link( $this->get_link_parameters() ); ?>
+				</div>
+			</div>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Gets the button parameters.
+	 *
+	 * @return array
+	 */
+	private function get_button_parameters() {
+		$button = array();
+		// If neither the lite nor pro plugin is installed, the button will prompt to install and activate the lite plugin.
+		if ( ! $this->manager->is_plugin_installed( $this->config['lite_plugin'] ) && ! $this->manager->is_plugin_installed( $this->config['pro_plugin'] ) ) {
+			$button['plugin']      = $this->config['lite_download_url'];
+			$button['action']      = 'install';
+			$button['button_text'] = __( 'Install & Activate WP Mail SMTP', 'easy-digital-downloads' );
+		} elseif ( ! $this->is_smtp_activated() ) {
+			// If one of the SMTP plugins is installed, but not activated, the button will prompt to activate it.
+			$button['plugin']      = $this->config['lite_plugin'];
+			$button['action']      = 'activate';
+			$button['button_text'] = __( 'Activate WP Mail SMTP', 'easy-digital-downloads' );
+		} elseif ( ! $this->is_smtp_configured() ) {
+			// If the plugin is active, but not configured, the button will send them to the setup wizard.
+			$button = $this->get_link_parameters();
+		}
+
+		return $button;
+	}
+
+	/**
+	 * Gets the array of parameters for the link to configure WP Mail SMTP.
+	 *
+	 * @since 2.11.4
+	 * @return array
+	 */
+	private function get_link_parameters() {
+		return $this->is_smtp_configured() ?
+		array(
+			'button_text' => __( 'Configure WP Mail SMTP', 'easy-digital-downloads' ),
+			'href'        => admin_url( $this->config['smtp_settings'] ),
+		) :
+		array(
+			'button_text' => __( 'Run the WP Mail SMTP Setup Wizard', 'easy-digital-downloads' ),
+			'href'        => admin_url( $this->config['smtp_wizard'] ),
+		);
+	}
+
+	/**
+	 * Whether WP Mail SMTP plugin configured or not.
+	 *
+	 * @since 2.11.4
+	 *
+	 * @return bool True if some mailer is selected and configured properly.
+	 */
+	protected function is_smtp_configured() {
+
+		if ( ! $this->is_smtp_activated() || ! class_exists( '\\WPMailSMTP\\Options' ) ) {
+			return false;
+		}
+
+		$phpmailer = $this->get_phpmailer();
+
+		$mailer             = \WPMailSMTP\Options::init()->get( 'mail', 'mailer' );
+		$is_mailer_complete = ! empty( $mailer ) && wp_mail_smtp()->get_providers()->get_mailer( $mailer, $phpmailer )->is_mailer_complete();
+
+		return 'mail' !== $mailer && $is_mailer_complete;
+	}
+
+	/**
+	 * Whether WP Mail SMTP plugin active or not.
+	 *
+	 * @since 2.11.4
+	 *
+	 * @return bool True if SMTP plugin is active.
+	 */
+	protected function is_smtp_activated() {
+		return function_exists( 'wp_mail_smtp' ) && ( is_plugin_active( $this->config['lite_plugin'] ) || is_plugin_active( $this->config['pro_plugin'] ) );
+	}
+
+	/**
+	 * Get $phpmailer instance.
+	 *
+	 * @since 2.11.4
+	 *
+	 * @return \PHPMailer|\PHPMailer\PHPMailer\PHPMailer Instance of PHPMailer.
+	 */
+	protected function get_phpmailer() {
+
+		if ( version_compare( get_bloginfo( 'version' ), '5.5-alpha', '<' ) ) {
+			$phpmailer = $this->get_phpmailer_v5();
+		} else {
+			$phpmailer = $this->get_phpmailer_v6();
+		}
+
+		return $phpmailer;
+	}
+
+	/**
+	 * Get $phpmailer v5 instance.
+	 *
+	 * @since 2.11.4
+	 *
+	 * @return \PHPMailer Instance of PHPMailer.
+	 */
+	private function get_phpmailer_v5() {
+
+		global $phpmailer;
+
+		if ( ! ( $phpmailer instanceof \PHPMailer ) ) {
+			require_once ABSPATH . WPINC . '/class-phpmailer.php';
+			require_once ABSPATH . WPINC . '/class-smtp.php';
+			$phpmailer = new \PHPMailer( true ); // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
+		}
+
+		return $phpmailer;
+	}
+
+	/**
+	 * Get $phpmailer v6 instance.
+	 *
+	 * @since 2.11.4
+	 *
+	 * @return \PHPMailer\PHPMailer\PHPMailer Instance of PHPMailer.
+	 */
+	private function get_phpmailer_v6() {
+
+		global $phpmailer;
+
+		if ( ! ( $phpmailer instanceof \PHPMailer\PHPMailer\PHPMailer ) ) {
+			require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php';
+			require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php';
+			require_once ABSPATH . WPINC . '/PHPMailer/Exception.php';
+			$phpmailer = new \PHPMailer\PHPMailer\PHPMailer( true ); // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
+		}
+
+		return $phpmailer;
+	}
+}
+
+new WP_SMTP();