<?php

/**

 * Update Core administration panel.

 *

 * @package WordPress

 * @subpackage Administration

 */

/** WordPress Administration Bootstrap */

require_once( dirname( __FILE__ ) . '/admin.php' );

wp_enqueue_style( 'plugin-install' );

wp_enqueue_script( 'plugin-install' );

wp_enqueue_script( 'updates' );

add_thickbox();

if ( is_multisite() && ! is_network_admin() ) {

	wp_redirect( network_admin_url( 'update-core.php' ) );

	exit();

}

if ( ! current_user_can( 'update_core' ) && ! current_user_can( 'update_themes' ) && ! current_user_can( 'update_plugins' ) && ! current_user_can( 'update_languages' ) ) {

	wp_die( __( 'Sorry, you are not allowed to update this site.' ) );

}

/**

 * @global string $wp_local_package

 * @global wpdb   $wpdb

 *

 * @staticvar bool $first_pass

 *

 * @param object $update

 */

function list_core_update( $update ) {

	global $wp_local_package, $wpdb;

	static $first_pass = true;

	$wp_version = get_bloginfo( 'version' );

	if ( 'en_US' == $update->locale && 'en_US' == get_locale() ) {

		$version_string = $update->current;

	} elseif ( 'en_US' == $update->locale && $update->packages->partial && $wp_version == $update->partial_version && ( $updates = get_core_updates() ) && 1 == count( $updates ) ) {

		// If the only available update is a partial builds, it doesn't need a language-specific version string.

		$version_string = $update->current;

	} else {

		$version_string = sprintf( '%s&ndash;<strong>%s</strong>', $update->current, $update->locale );

	}

	$current = false;

	if ( ! isset( $update->response ) || 'latest' == $update->response ) {

		$current = true;

	}

	$submit        = __( 'Update Now' );

	$form_action   = 'update-core.php?action=do-core-upgrade';

	$php_version   = phpversion();

	$mysql_version = $wpdb->db_version();

	$show_buttons  = true;

	if ( 'development' == $update->response ) {

		$message = __( 'You are using a development version of WordPress. You can update to the latest nightly build automatically:' );

	} else {

		if ( $current ) {

			$message     = sprintf( __( 'If you need to re-install version %s, you can do so here:' ), $version_string );

			$submit      = __( 'Re-install Now' );

			$form_action = 'update-core.php?action=do-core-reinstall';

		} else {

			$php_compat = version_compare( $php_version, $update->php_version, '>=' );

			if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) {

				$mysql_compat = true;

			} else {

				$mysql_compat = version_compare( $mysql_version, $update->mysql_version, '>=' );

			}

			$version_url = sprintf(

				/* translators: %s: WordPress version */

				esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),

				sanitize_title( $update->current )

			);

			/* translators: %s: Update PHP page URL */

			$php_update_message = '</p><p>' . sprintf( __( '<a href="%s">Learn more about updating PHP</a>.' ), esc_url( wp_get_update_php_url() ) );

			$annotation = wp_get_update_php_annotation();

			if ( $annotation ) {

				$php_update_message .= '</p><p><em>' . $annotation . '</em>';

			}

			if ( ! $mysql_compat && ! $php_compat ) {

				/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Minimum required MySQL version number, 5: Current PHP version number, 6: Current MySQL version number */

				$message = sprintf( __( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher and MySQL version %4$s or higher. You are running PHP version %5$s and MySQL version %6$s.' ), $version_url, $update->current, $update->php_version, $update->mysql_version, $php_version, $mysql_version ) . $php_update_message;

			} elseif ( ! $php_compat ) {

				/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Current PHP version number */

				$message = sprintf( __( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher. You are running version %4$s.' ), $version_url, $update->current, $update->php_version, $php_version ) . $php_update_message;

			} elseif ( ! $mysql_compat ) {

				/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required MySQL version number, 4: Current MySQL version number */

				$message = sprintf( __( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires MySQL version %3$s or higher. You are running version %4$s.' ), $version_url, $update->current, $update->mysql_version, $mysql_version );

			} else {

				/* translators: 1: URL to WordPress release notes, 2: WordPress version number including locale if necessary */

				$message = sprintf( __( 'You can update to <a href="%1$s">WordPress %2$s</a> automatically:' ), $version_url, $version_string );

			}

			if ( ! $mysql_compat || ! $php_compat ) {

				$show_buttons = false;

			}

		}

	}

	echo '<p>';

	echo $message;

	echo '</p>';

	echo '<form method="post" action="' . $form_action . '" name="upgrade" class="upgrade">';

	wp_nonce_field( 'upgrade-core' );

	echo '<p>';

	echo '<input name="version" value="' . esc_attr( $update->current ) . '" type="hidden"/>';

	echo '<input name="locale" value="' . esc_attr( $update->locale ) . '" type="hidden"/>';

	if ( $show_buttons ) {

		if ( $first_pass ) {

			submit_button( $submit, $current ? '' : 'primary regular', 'upgrade', false );

			$first_pass = false;

		} else {

			submit_button( $submit, '', 'upgrade', false );

		}

	}

	if ( 'en_US' != $update->locale ) {

		if ( ! isset( $update->dismissed ) || ! $update->dismissed ) {

			submit_button( __( 'Hide this update' ), '', 'dismiss', false );

		} else {

			submit_button( __( 'Bring back this update' ), '', 'undismiss', false );

		}

	}

	echo '</p>';

	if ( 'en_US' != $update->locale && ( ! isset( $wp_local_package ) || $wp_local_package != $update->locale ) ) {

		echo '<p class="hint">' . __( 'This localized version contains both the translation and various other localization fixes. You can skip upgrading if you want to keep your current translation.' ) . '</p>';

	} elseif ( 'en_US' == $update->locale && get_locale() != 'en_US' && ( ! $update->packages->partial && $wp_version == $update->partial_version ) ) {

		// Partial builds don't need language-specific warnings.

		echo '<p class="hint">' . sprintf( __( 'You are about to install WordPress %s <strong>in English (US).</strong> There is a chance this update will break your translation. You may prefer to wait for the localized version to be released.' ), $update->response != 'development' ? $update->current : '' ) . '</p>';

	}

	echo '</form>';

}

/**

 * @since 2.7.0

 */

function dismissed_updates() {

	$dismissed = get_core_updates(

		array(

			'dismissed' => true,

			'available' => false,

		)

	);

	if ( $dismissed ) {

		$show_text = esc_js( __( 'Show hidden updates' ) );

		$hide_text = esc_js( __( 'Hide hidden updates' ) );

		?>

	<script type="text/javascript">

		jQuery(function( $ ) {

			$( 'dismissed-updates' ).show();

			$( '#show-dismissed' ).toggle( function() { $( this ).text( '<?php echo $hide_text; ?>' ).attr( 'aria-expanded', 'true' ); }, function() { $( this ).text( '<?php echo $show_text; ?>' ).attr( 'aria-expanded', 'false' ); } );

			$( '#show-dismissed' ).click( function() { $( '#dismissed-updates' ).toggle( 'fast' ); } );

		});

	</script>

		<?php

		echo '<p class="hide-if-no-js"><button type="button" class="button" id="show-dismissed" aria-expanded="false">' . __( 'Show hidden updates' ) . '</button></p>';

		echo '<ul id="dismissed-updates" class="core-updates dismissed">';

		foreach ( (array) $dismissed as $update ) {

			echo '<li>';

			list_core_update( $update );

			echo '</li>';

		}

		echo '</ul>';

	}

}

/**

 * Display upgrade WordPress for downloading latest or upgrading automatically form.

 *

 * @since 2.7.0

 *

 * @global string $required_php_version

 * @global string $required_mysql_version

 */

function core_upgrade_preamble() {

	global $required_php_version, $required_mysql_version;

	$wp_version = get_bloginfo( 'version' );

	$updates    = get_core_updates();

	if ( ! isset( $updates[0]->response ) || 'latest' == $updates[0]->response ) {

		echo '<h2>';

		_e( 'You have the latest version of WordPress.' );

		if ( wp_http_supports( array( 'ssl' ) ) ) {

			require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

			$upgrader            = new WP_Automatic_Updater;

			$future_minor_update = (object) array(

				'current'       => $wp_version . '.1.next.minor',

				'version'       => $wp_version . '.1.next.minor',

				'php_version'   => $required_php_version,

				'mysql_version' => $required_mysql_version,

			);

			$should_auto_update  = $upgrader->should_update( 'core', $future_minor_update, ABSPATH );

			if ( $should_auto_update ) {

				echo ' ' . __( 'Future security updates will be applied automatically.' );

			}

		}

		echo '</h2>';

	} else {

		echo '<div class="notice notice-warning"><p>';

		_e( '<strong>Important:</strong> Before updating, please <a href="https://codex.wordpress.org/WordPress_Backups">back up your database and files</a>. For help with updates, visit the <a href="https://codex.wordpress.org/Updating_WordPress">Updating WordPress</a> Codex page.' );

		echo '</p></div>';

		echo '<h2 class="response">';

		_e( 'An updated version of WordPress is available.' );

		echo '</h2>';

	}

	if ( isset( $updates[0] ) && $updates[0]->response == 'development' ) {

		require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

		$upgrader = new WP_Automatic_Updater;

		if ( wp_http_supports( 'ssl' ) && $upgrader->should_update( 'core', $updates[0], ABSPATH ) ) {

			echo '<div class="updated inline"><p>';

			echo '<strong>' . __( 'BETA TESTERS:' ) . '</strong> ' . __( 'This site is set up to install updates of future beta versions automatically.' );

			echo '</p></div>';

		}

	}

	echo '<ul class="core-updates">';

	foreach ( (array) $updates as $update ) {

		echo '<li>';

		list_core_update( $update );

		echo '</li>';

	}

	echo '</ul>';

	// Don't show the maintenance mode notice when we are only showing a single re-install option.

	if ( $updates && ( count( $updates ) > 1 || $updates[0]->response != 'latest' ) ) {

		echo '<p>' . __( 'While your site is being updated, it will be in maintenance mode. As soon as your updates are complete, your site will return to normal.' ) . '</p>';

	} elseif ( ! $updates ) {

		list( $normalized_version ) = explode( '-', $wp_version );

		echo '<p>' . sprintf( __( '<a href="%1$s">Learn more about WordPress %2$s</a>.' ), esc_url( self_admin_url( 'about.php' ) ), $normalized_version ) . '</p>';

	}

	dismissed_updates();

}

function list_plugin_updates() {

	$wp_version     = get_bloginfo( 'version' );

	$cur_wp_version = preg_replace( '/-.*$/', '', $wp_version );

	require_once( ABSPATH . 'wp-admin/includes/plugin-install.php' );

	$plugins = get_plugin_updates();

	if ( empty( $plugins ) ) {

		echo '<h2>' . __( 'Plugins' ) . '</h2>';

		echo '<p>' . __( 'Your plugins are all up to date.' ) . '</p>';

		return;

	}

	$form_action = 'update-core.php?action=do-plugin-upgrade';

	$core_updates = get_core_updates();

	if ( ! isset( $core_updates[0]->response ) || 'latest' == $core_updates[0]->response || 'development' == $core_updates[0]->response || version_compare( $core_updates[0]->current, $cur_wp_version, '=' ) ) {

		$core_update_version = false;

	} else {

		$core_update_version = $core_updates[0]->current;

	}

	?>

<h2><?php _e( 'Plugins' ); ?></h2>

<p><?php _e( 'The following plugins have new versions available. Check the ones you want to update and then click &#8220;Update Plugins&#8221;.' ); ?></p>

<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-plugins" class="upgrade">

	<?php wp_nonce_field( 'upgrade-core' ); ?>

<p><input id="upgrade-plugins" class="button" type="submit" value="<?php esc_attr_e( 'Update Plugins' ); ?>" name="upgrade" /></p>

<table class="widefat updates-table" id="update-plugins-table">

	<thead>

	<tr>

		<td class="manage-column check-column"><input type="checkbox" id="plugins-select-all" /></td>

		<td class="manage-column"><label for="plugins-select-all"><?php _e( 'Select All' ); ?></label></td>

	</tr>

	</thead>

	<tbody class="plugins">

	<?php

	foreach ( (array) $plugins as $plugin_file => $plugin_data ) {

		$plugin_data = (object) _get_plugin_data_markup_translate( $plugin_file, (array) $plugin_data, false, true );

		$icon            = '<span class="dashicons dashicons-admin-plugins"></span>';

		$preferred_icons = array( 'svg', '2x', '1x', 'default' );

		foreach ( $preferred_icons as $preferred_icon ) {

			if ( ! empty( $plugin_data->update->icons[ $preferred_icon ] ) ) {

				$icon = '<img src="' . esc_url( $plugin_data->update->icons[ $preferred_icon ] ) . '" alt="" />';

				break;

			}

		}

		// Get plugin compat for running version of WordPress.

		if ( isset( $plugin_data->update->tested ) && version_compare( $plugin_data->update->tested, $cur_wp_version, '>=' ) ) {

			$compat = '<br />' . sprintf( __( 'Compatibility with WordPress %1$s: 100%% (according to its author)' ), $cur_wp_version );

		} else {

			$compat = '<br />' . sprintf( __( 'Compatibility with WordPress %1$s: Unknown' ), $cur_wp_version );

		}

		// Get plugin compat for updated version of WordPress.

		if ( $core_update_version ) {

			if ( isset( $plugin_data->update->tested ) && version_compare( $plugin_data->update->tested, $core_update_version, '>=' ) ) {

				$compat .= '<br />' . sprintf( __( 'Compatibility with WordPress %1$s: 100%% (according to its author)' ), $core_update_version );

			} else {

				$compat .= '<br />' . sprintf( __( 'Compatibility with WordPress %1$s: Unknown' ), $core_update_version );

			}

		}

		$requires_php   = isset( $plugin_data->update->requires_php ) ? $plugin_data->update->requires_php : null;

		$compatible_php = is_php_version_compatible( $requires_php );

		if ( ! $compatible_php && current_user_can( 'update_php' ) ) {

			$compat .= '<br>' . __( 'This update doesn&#8217;t work with your version of PHP.' ) . '&nbsp;';

			/* translators: %s: Update PHP page URL */

			$compat .= sprintf(

				__( '<a href="%s">Learn more about updating PHP</a>.' ),

				esc_url( wp_get_update_php_url() )

			);

			$annotation = wp_get_update_php_annotation();

			if ( $annotation ) {

				$compat .= '</p><p><em>' . $annotation . '</em>';

			}

		}

		// Get the upgrade notice for the new plugin version.

		if ( isset( $plugin_data->update->upgrade_notice ) ) {

			$upgrade_notice = '<br />' . strip_tags( $plugin_data->update->upgrade_notice );

		} else {

			$upgrade_notice = '';

		}

		$details_url = self_admin_url( 'plugin-install.php?tab=plugin-information&plugin=' . $plugin_data->update->slug . '&section=changelog&TB_iframe=true&width=640&height=662' );

		$details     = sprintf(

			'<a href="%1$s" class="thickbox open-plugin-details-modal" aria-label="%2$s">%3$s</a>',

			esc_url( $details_url ),

			/* translators: 1: plugin name, 2: version number */

			esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_data->Name, $plugin_data->update->new_version ) ),

			/* translators: %s: plugin version */

			sprintf( __( 'View version %s details.' ), $plugin_data->update->new_version )

		);

		$checkbox_id = 'checkbox_' . md5( $plugin_data->Name );

		?>

	<tr>

		<td class="check-column">

		<?php if ( $compatible_php ) : ?>

			<input type="checkbox" name="checked[]" id="<?php echo $checkbox_id; ?>" value="<?php echo esc_attr( $plugin_file ); ?>" />

			<label for="<?php echo $checkbox_id; ?>" class="screen-reader-text">

			<?php

				/* translators: %s: plugin name */

				printf(

					__( 'Select %s' ),

					$plugin_data->Name

				);

			?>

			</label>

		<?php endif; ?>

		</td>

		<td class="plugin-title"><p>

			<?php echo $icon; ?>

			<strong><?php echo $plugin_data->Name; ?></strong>

			<?php

			/* translators: 1: plugin version, 2: new version */

			printf(

				__( 'You have version %1$s installed. Update to %2$s.' ),

				$plugin_data->Version,

				$plugin_data->update->new_version

			);

			echo ' ' . $details . $compat . $upgrade_notice;

			?>

		</p></td>

	</tr>

		<?php

	}

	?>

	</tbody>

	<tfoot>

	<tr>