/**

* Singleton.

*

* @return Shiny_Updates

*/

static function init() {

static $instance;

if ( empty( $instance ) ) {

$instance = new Shiny_Updates();

}

return $instance;

}

/**

* Constructor.

*/

function __construct() {

add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );

// Add the update HTML for plugin updates progress.

add_action( 'pre_current_active_plugins', array( $this, 'wp_update_notification_template' ) );

// Search plugins.

add_action( 'wp_ajax_search-plugins', 'wp_ajax_search_plugins' );

// Plugin deletions.

add_action( 'wp_ajax_delete-plugin', 'wp_ajax_delete_plugin' );

// Plugin activations.

add_action( 'wp_ajax_activate-plugin', array( $this, 'wp_ajax_activate_plugin' ) );

// Plugin row actions.

add_filter( 'plugin_action_links', array( $this, 'plugin_action_links' ), 10, 4 );

// Themes.

add_filter( 'wp_prepare_themes_for_js', array( $this, 'theme_data' ) );

// Update Themes.

add_action( 'admin_footer-themes.php', array( $this, 'admin_footer' ) );

add_action( 'wp_ajax_install-theme', 'wp_ajax_install_theme' );

// Install Themes.

add_action( 'admin_footer-theme-install.php', array( $this, 'admin_footer' ) );

add_action( 'wp_ajax_update-theme', 'wp_ajax_update_theme' );

// Delete Themes.

add_action( 'wp_ajax_delete-theme', 'wp_ajax_delete_theme' );

// Auto Updates.

add_action( 'admin_init', array( $this, 'load_auto_updates_settings' ) );

if ( get_option( 'wp_auto_update_core' ) ) {

add_filter( 'allow_major_auto_core_updates', '__return_true' );

}

if ( get_option( 'wp_auto_update_plugins' ) ) {

add_filter( 'auto_update_plugin', '__return_true' );

}

if ( get_option( 'wp_auto_update_themes' ) ) {

add_filter( 'auto_update_theme', '__return_true' );

}

}

/**

* Add the HTML template for progress updates.

*/

function wp_update_notification_template() {

?>

<div id="wp-progress-placeholder"></div>

<script id="tmpl-wp-progress-template" type="text/html">

<div class="notice wp-progress-update is-dismissible <# if ( data.noticeClass ) { #> {{ data.noticeClass }} <# } #>">

<p>

<# if ( data.message ) { #>

{{ data.message }}

<# } #>

</p>

</div>

</script>

<?php

}

/**

* Enqueue scripts.

*

* @param string $hook Current admin page.

*/

function enqueue_scripts( $hook ) {

if ( ! in_array( $hook, array( 'plugins.php', 'plugin-install.php', 'themes.php', 'theme-install.php' ) ) ) {

return;

}

wp_enqueue_style( 'shiny-updates', plugin_dir_url( __FILE__ ) . 'css/shiny-updates.css' );

wp_enqueue_script( 'shiny-updates', plugin_dir_url( __FILE__ ) . 'js/shiny-updates.js', array( 'updates' ), null, true );

wp_localize_script( 'shiny-updates', 'shinyUpdates', array(

'installNow' => __( 'Install Now' ),

'installing' => __( 'Installing...' ),

'installed' => __( 'Installed!' ),

'installFailedShort' => __( 'Install Failed!' ),

/* translators: Error string for a failed installation. */

'installFailed' => __( 'Installation failed: %s' ),

/* translators: Plugin/Theme name and version */

'installingLabel' => __( 'Installing %s...' ), // no ellipsis

/* translators: Plugin/Theme name and version */

'installedLabel' => __( '%s installed!' ),

/* translators: Plugin/Theme name and version */

'installFailedLabel' => __( '%s installation failed' ),

'installingMsg' => __( 'Installing... please wait.' ),

'installedMsg' => __( 'Installation completed successfully.' ),

'aysDelete' => __( 'Are you sure you want to delete this plugin?' ),

'deletinggMsg' => __( 'Deleting... please wait.' ),

'deletedMsg' => __( 'Plugin successfully deleted.' ),

'updatedPluginsMsg' => __( 'Plugin updates complete.' ),

/* translators: 1. Plugins update successes. 2. Plugin update failures. */

'updatedPluginsSuccessMsg' => __( 'Successes: %d.' ),

/* translators: 1. Plugins update successes. 2. Plugin update failures. */

'updatedPluginsFailureMsg' => __( 'Failures: %d.' ),

/* translators: 1. Total plugins to update. */

'updatePluginsQueuedMsg' => __( '%d plugin updates queued.' ),

'updateQueued' => __( 'Update queued.' ),

) );

if ( in_array( $hook, array( 'themes.php', 'theme-install.php' ) ) ) {

wp_enqueue_script( 'shiny-theme-updates', plugin_dir_url( __FILE__ ) . 'js/shiny-theme-updates.js', array( 'theme', 'updates' ), null, true );

}

if ( 'theme-install.php' == $hook ) {

add_action( 'in_admin_header', array( $this, 'theme_install_templates' ) );

}

if ( 'plugins.php' === $hook ) {

wp_localize_script( 'shiny-updates', 'pluginData', get_plugins() );

}

}

/**

* Filter the action links displayed for each plugin in the Plugins list table.

*

* @param array $actions An array of plugin action links.

* @param string $plugin_file Path to the plugin file relative to the plugins directory.

* @param array $plugin_data An array of plugin data.

* @param string $context The plugin context.

* @return array

*/

function plugin_action_links( $actions, $plugin_file, $plugin_data, $context ) {

// Adjust the delete action, adding data attributes.

if ( ! empty( $actions['delete'] ) ) {

$slug = empty( $plugin_data['slug'] ) ? dirname( $plugin_file ) : $plugin_data['slug'];

$actions['delete'] = '<a data-plugin="' . $plugin_file . '" data-slug="' . $slug . '" href="' . wp_nonce_url( 'plugins.php?action=delete-selected&amp;checked[]=' . $plugin_file . '&amp;plugin_status=' . $context . '&amp;paged=' . $GLOBALS['page'] . '&amp;s=' . $GLOBALS['s'], 'bulk-plugins' ) . '" class="delete" aria-label="' . esc_attr( sprintf( __( 'Delete %s' ), $plugin_data['Name'] ) ) . '">' . __( 'Delete' ) . '</a>';

}

// Adjust the activate action, adding data attributes.

if ( ! empty( $actions['activate'] ) ) {

$slug = empty( $plugin_data['slug'] ) ? dirname( $plugin_file ) : $plugin_data['slug'];

/* translators: %s: plugin name */

$actions['activate'] = '<a data-plugin="' . $plugin_file . '" data-slug="' . $slug . '" href="' . wp_nonce_url( 'plugins.php?action=activate&amp;plugin=' . $plugin_file . '&amp;plugin_status=' . $context . '&amp;paged=' . $GLOBALS['page'] . '&amp;s=' . $GLOBALS['s'], 'activate-plugin_' . $plugin_file ) . '" class="edit" aria-label="' . esc_attr( sprintf( __( 'Activate %s' ), $plugin_data['Name'] ) ) . '">' . __( 'Activate' ) . '</a>';

}

return $actions;

}

/**

* Adds a class and a data attribute to the "update now"-link.

*

* @param array $themes Theme data.

* @return array

*/

function theme_data( $themes ) {

$update = get_site_transient( 'update_themes' );

foreach ( $themes as $stylesheet => $theme ) {

if ( isset( $theme['hasUpdate'] ) && $theme['hasUpdate'] && current_user_can( 'update_themes' ) && ! empty( $update->response[ $stylesheet ] ) ) {

$themes[ $stylesheet ]['update'] = sprintf( '<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a> or <a id="update-theme" data-slug="%5$s" href="%6$s">update now</a>.' ) . '</strong></p>', $theme['name'], esc_url( add_query_arg( array( 'TB_iframe' => 'true', 'width' => 1024, 'height' => 800 ), $update->response[ $stylesheet ]['url'] ) ), esc_attr( $theme['name'] ), $update->response[ $stylesheet ]['new_version'], $stylesheet, wp_nonce_url( admin_url( 'update.php?action=upgrade-theme&amp;theme=' . urlencode( $stylesheet ) ), 'upgrade-theme_' . $stylesheet ) );

}

}

return $themes;

}

/**

* Prints filesystem credential modal if needed.

*

* Needs to be added to `themes.php`.

*/

function admin_footer() {

wp_print_request_filesystem_credentials_modal();

}

/**

* Templates here can replace core templates.

*/

function theme_install_templates() {

?>

<script id="tmpl-theme" type="text/template">

<# if ( data.screenshot_url ) { #>

<div class="theme-screenshot">

<img src="{{ data.screenshot_url }}" alt="" />

</div>

<# } else { #>

<div class="theme-screenshot blank"></div>

<# } #>

<span class="more-details"><?php _ex( 'Details &amp; Preview', 'theme' ); ?></span>

<div class="theme-author"><?php printf( __( 'By %s' ), '{{ data.author }}' ); ?></div>

<h3 class="theme-name">{{ data.name }}</h3>

<div class="theme-actions">

<a class="button button-primary theme-install" data-slug="{{ data.id }}" href="{{ data.install_url }}"><?php esc_html_e( 'Install' ); ?></a>

<a class="button button-secondary preview install-theme-preview" href="#"><?php esc_html_e( 'Preview' ); ?></a>

</div>

<# if ( data.installed ) { #>

<div class="theme-installed"><?php _ex( 'Already Installed', 'theme' ); ?></div>

<# } #>

</script>

<script id="tmpl-shiny-theme-preview" type="text/template">

<div class="wp-full-overlay-sidebar">

<div class="wp-full-overlay-header">

<a href="#" class="close-full-overlay"><span class="screen-reader-text"><?php _e( 'Close' ); ?></span></a>

<a href="#" class="previous-theme"><span class="screen-reader-text"><?php _ex( 'Previous', 'Button label for a theme' ); ?></span></a>

<a href="#" class="next-theme"><span class="screen-reader-text"><?php _ex( 'Next', 'Button label for a theme' ); ?></span></a>

<# if ( data.installed ) { #>

<a href="#" class="button button-primary theme-install disabled"><?php _ex( 'Installed', 'theme' ); ?></a>

<# } else { #>

<a href="{{ data.install_url }}" class="button button-primary theme-install" data-slug="{{ data.id }}"><?php _e( 'Install' ); ?></a>

<# } #>

</div>

<div class="wp-full-overlay-sidebar-content">

<div class="install-theme-info">

<h3 class="theme-name">{{ data.name }}</h3>

<span class="theme-by"><?php printf( __( 'By %s' ), '{{ data.author }}' ); ?></span>

<img class="theme-screenshot" src="{{ data.screenshot_url }}" alt="" />

<div class="theme-details">

<# if ( data.rating ) { #>

<div class="theme-rating">

{{{ data.stars }}}

<span class="num-ratings">({{ data.num_ratings }})</span>

</div>

<# } else { #>

<span class="no-rating"><?php _e( 'This theme has not been rated yet.' ); ?></span>

<# } #>

<div class="theme-version"><?php printf( __( 'Version: %s' ), '{{ data.version }}' ); ?></div>

<div class="theme-description">{{{ data.description }}}</div>

</div>

</div>

</div>

<div class="wp-full-overlay-footer">

<button type="button" class="collapse-sidebar button-secondary" aria-expanded="true" aria-label="<?php esc_attr_e( 'Collapse Sidebar' ); ?>">

<span class="collapse-sidebar-arrow"></span>

<span class="collapse-sidebar-label"><?php _e( 'Collapse' ); ?></span>

</button>

</div>

</div>

<div class="wp-full-overlay-main">

<iframe src="{{ data.preview_url }}" title="<?php esc_attr_e( 'Preview' ); ?>" />

</div>

</script>

<?php

}

/**

* Loads auto updates settings for `update-core.php`.

*/

public function load_auto_updates_settings() {

include_once plugin_dir_path( __FILE__ ) . 'auto-updates.php';

}

check_ajax_referer( 'updates' );

if ( empty( $_POST['slug'] ) ) {

wp_send_json_error( array( 'errorCode' => 'no_theme_specified' ) );

}

$status = array(

'install' => 'theme',

'slug' => sanitize_key( $_POST['slug'] ),

);

if ( ! current_user_can( 'install_themes' ) ) {

$status['error'] = __( 'You do not have sufficient permissions to install themes on this site.' );

wp_send_json_error( $status );

}

include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );

include_once( ABSPATH . 'wp-admin/includes/theme.php' );

$api = themes_api( 'theme_information', array(

'slug' => $status['slug'],

'fields' => array( 'sections' => false ),

) );

if ( is_wp_error( $api ) ) {

$status['error'] = $api->get_error_message();

wp_send_json_error( $status );

}

$upgrader = new Theme_Upgrader( new Automatic_Upgrader_Skin() );

$result = $upgrader->install( $api->download_link );

if ( is_wp_error( $result ) ) {

$status['error'] = $result->get_error_message();

wp_send_json_error( $status );

} else if ( is_null( $result ) ) {

global $wp_filesystem;

$status['errorCode'] = 'unable_to_connect_to_filesystem';

$status['error'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );

// Pass through the error from WP_Filesystem if one was raised.

if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {

$status['error'] = $wp_filesystem->errors->get_error_message();

}

wp_send_json_error( $status );

}

// Never switch to theme (unlike plugin activation).

// See WP_Theme_Install_List_Table::_get_theme_status() if we wanted to check on post-install status.

wp_send_json_success( $status );

check_ajax_referer( 'updates' );

if ( empty( $_POST['slug'] ) ) {

wp_send_json_error( array( 'errorCode' => 'no_theme_specified' ) );

}

$stylesheet = sanitize_key( $_POST['slug'] );

$status = array(

'update' => 'theme',

'slug' => $stylesheet,

'newVersion' => '',

);

if ( ! current_user_can( 'update_themes' ) ) {

$status['error'] = __( 'You do not have sufficient permissions to update themes on this site.' );

wp_send_json_error( $status );

}

include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );

$current = get_site_transient( 'update_themes' );

if ( empty( $current ) ) {

wp_update_themes();

}

$upgrader = new Theme_Upgrader( new Automatic_Upgrader_Skin() );

$result = $upgrader->bulk_upgrade( array( $stylesheet ) );

if ( is_array( $result ) && ! empty( $result[ $stylesheet ] ) ) {

// Theme is already at the latest version.

if ( true === $result[ $stylesheet ] ) {

$status['error'] = $upgrader->strings['up_to_date'];

wp_send_json_error( $status );

}

$theme = wp_get_theme( $stylesheet );

if ( $theme->get( 'Version' ) ) {

$status['newVersion'] = sprintf( __( 'Version: %s' ), $theme->get( 'Version' ) );

}

wp_send_json_success( $status );

} else if ( is_wp_error( $result ) ) {

$status['error'] = $result->get_error_message();

wp_send_json_error( $status );

} else if ( is_bool( $result ) && ! $result ) {

global $wp_filesystem;

$status['errorCode'] = 'unable_to_connect_to_filesystem';

$status['error'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );

// Pass through the error from WP_Filesystem if one was raised.

if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {

$status['error'] = $wp_filesystem->errors->get_error_message();

}

wp_send_json_error( $status );

}

// An unhandled error occurred.

$status['error'] = __( 'Update failed.' );

wp_send_json_error( $status );

check_ajax_referer( 'updates' );

if ( empty( $_POST['slug'] ) ) {

wp_send_json_error( array( 'errorCode' => 'no_theme_specified' ) );

}

$stylesheet = sanitize_key( $_POST['slug'] );

$status = array(

'update' => 'theme',

'slug' => $stylesheet,

);

if ( ! current_user_can( 'delete_themes' ) ) {

$status['error'] = __( 'You do not have sufficient permissions to delete themes on this site.' );

wp_send_json_error( $status );

}

if ( wp_get_theme( $stylesheet )->exists() ) {

$status['error'] = __( 'The requested theme does not exist.' );

wp_send_json_error( $status );

}

include_once( ABSPATH . 'wp-admin/includes/theme.php' );

$result = delete_theme( $stylesheet );

if ( is_wp_error( $result ) ) {

$status['error'] = $result->get_error_message();

wp_send_json_error( $status );

} else if ( is_null( $result ) ) {

global $wp_filesystem;

$status['errorCode'] = 'unable_to_connect_to_filesystem';

$status['error'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );

// Pass through the error from WP_Filesystem if one was raised.

if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {

$status['error'] = $wp_filesystem->errors->get_error_message();

}

wp_send_json_error( $status );

}

wp_send_json_success( $status );

check_ajax_referer( 'updates' );

if ( empty( $_POST['slug'] ) || empty( $_POST['plugin'] ) ) {

wp_send_json_error( array( 'errorCode' => 'no_plugin_specified' ) );

}

$plugin = filter_var( wp_unslash( $_POST['plugin'] ), FILTER_SANITIZE_STRING );

$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );

$status = array(

'delete' => 'plugin',

'id' => sanitize_title( $plugin_data['Name'] ),

'slug' => sanitize_key( $_POST['slug'] ),

'plugin' => $plugin,

);

if ( ! current_user_can( 'delete_plugins' ) ) {

$status['error'] = __( 'You do not have sufficient permissions to delete plugins for this site.' );

wp_send_json_error( $status );

}

if ( ! is_plugin_inactive( $plugin ) ) {

$status['error'] = __( 'You cannot delete a plugin while it is active on the main site.' );

wp_send_json_error( $status );

}

$delete_result = delete_plugins( array( $plugin ) );

if ( is_wp_error( $delete_result ) ) {

$status['error'] = $delete_result->get_error_message();

wp_send_json_error( $status );

} else if ( is_null( $delete_result ) ) {

global $wp_filesystem;

$status['errorCode'] = 'unable_to_connect_to_filesystem';

$status['error'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );

// Pass through the error from WP_Filesystem if one was raised.

if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {

$status['error'] = $wp_filesystem->errors->get_error_message();

}

wp_send_json_error( $status );

} elseif ( false === $delete_result ) {

$status['error'] = __( 'Plugin could not be deleted.' );

wp_send_json_error( $status );

}

wp_send_json_success( $status );

check_ajax_referer( 'updates' );

if ( empty( $_POST['slug'] ) ) {

wp_send_json_error( array( 'errorCode' => 'no_plugin_specified' ) );

}

$status = array(

'install' => 'plugin',

'slug' => sanitize_key( $_POST['slug'] ),

);

if ( ! current_user_can( 'install_plugins' ) ) {

$status['error'] = __( 'You do not have sufficient permissions to install plugins on this site.' );

wp_send_json_error( $status );

}

include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );

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

$api = plugins_api( 'plugin_information', array(

'slug' => sanitize_key( $_POST['slug'] ),

'fields' => array(

'sections' => false,

),

) );

if ( is_wp_error( $api ) ) {

$status['error'] = $api->get_error_message();

wp_send_json_error( $status );

}

$upgrader = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );

$result = $upgrader->install( $api->download_link );

if ( is_wp_error( $result ) ) {

$status['error'] = $result->get_error_message();

wp_send_json_error( $status );

} else if ( is_null( $result ) ) {

global $wp_filesystem;

$status['errorCode'] = 'unable_to_connect_to_filesystem';

$status['error'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );

// Pass through the error from WP_Filesystem if one was raised.

if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {

$status['error'] = $wp_filesystem->errors->get_error_message();

}

wp_send_json_error( $status );

}

wp_send_json_success( $status );

check_ajax_referer( 'updates' );

global $wp_list_table, $hook_suffix;

$hook_suffix = 'plugins.php';

$status = array();

$wp_list_table = _get_list_table( 'WP_Plugins_List_Table' );

if ( ! $wp_list_table->ajax_user_can() ) {

$status['error'] = __( 'You do not have sufficient permissions to manage plugins on this site.' );

wp_send_json_error( $status );

}

$wp_list_table->prepare_items();

ob_start();

$wp_list_table->display_rows_or_placeholder();

$status['items'] = ob_get_clean();

wp_send_json_success( $status );