1<?php
  2/**
  3 * Press This Display and Handler.
  4 *
  5 * @package WordPress
  6 * @subpackage Press_This
  7 */
  8
  9define( 'IFRAME_REQUEST', true );
 10
 11/** WordPress Administration Bootstrap */
 12require_once __DIR__ . '/admin.php';
 13
 14function wp_load_press_this() {
 15	$plugin_slug = 'press-this';
 16	$plugin_file = 'press-this/press-this-plugin.php';
 17
 18	if ( ! current_user_can( 'edit_posts' ) || ! current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
 19		wp_die(
 20			__( 'Sorry, you are not allowed to create posts as this user.' ),
 21			__( 'You need a higher level of permission.' ),
 22			403
 23		);
 24	} elseif ( is_plugin_active( $plugin_file ) ) {
 25		include WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php';
 26		$wp_press_this = new WP_Press_This_Plugin();
 27		$wp_press_this->html();
 28	} elseif ( current_user_can( 'activate_plugins' ) ) {
 29		if ( file_exists( WP_PLUGIN_DIR . '/' . $plugin_file ) ) {
 30			$url    = wp_nonce_url(
 31				add_query_arg(
 32					array(
 33						'action' => 'activate',
 34						'plugin' => $plugin_file,
 35						'from'   => 'press-this',
 36					),
 37					admin_url( 'plugins.php' )
 38				),
 39				'activate-plugin_' . $plugin_file
 40			);
 41			$action = sprintf(
 42				'<a href="%1$s" aria-label="%2$s">%2$s</a>',
 43				esc_url( $url ),
 44				__( 'Activate Press This' )
 45			);
 46		} else {
 47			if ( is_main_site() ) {
 48				$url    = wp_nonce_url(
 49					add_query_arg(
 50						array(
 51							'action' => 'install-plugin',
 52							'plugin' => $plugin_slug,
 53							'from'   => 'press-this',
 54						),
 55						self_admin_url( 'update.php' )
 56					),
 57					'install-plugin_' . $plugin_slug
 58				);
 59				$action = sprintf(
 60					'<a href="%1$s" class="install-now" data-slug="%2$s" data-name="%2$s" aria-label="%3$s">%3$s</a>',
 61					esc_url( $url ),
 62					esc_attr( $plugin_slug ),
 63					_x( 'Install Now', 'plugin' )
 64				);
 65			} else {
 66				$action = sprintf(
 67					/* translators: %s: URL to Press This bookmarklet on the main site. */
 68					__( 'Press This is not installed. Please install Press This from <a href="%s">the main site</a>.' ),
 69					get_admin_url( get_current_network_id(), 'press-this.php' )
 70				);
 71			}
 72		}
 73		wp_die(
 74			__( 'The Press This plugin is required.' ) . '<br />' . $action,
 75			__( 'Installation Required' ),
 76			200
 77		);
 78	} else {
 79		wp_die(
 80			__( 'Press This is not available. Please contact your site administrator.' ),
 81			__( 'Installation Required' ),
 82			200
 83		);
 84	}
 85}
 86
 87wp_load_press_this();
 88