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Pr 74 #100

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3976da1
feat: Add tool for updating single and multiple WordPress plugins
Jul 17, 2025
19f7e9a
test: Add unit tests for McpPluginUpdateTools functionality
galatanovidiu Aug 19, 2025
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2 changes: 2 additions & 0 deletions includes/Core/WpMcp.php
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
use Automattic\WordpressMcp\Tools\McpPagesTools;
use Automattic\WordpressMcp\Tools\McpSettingsTools;
use Automattic\WordpressMcp\Tools\McpMediaTools;
use Automattic\WordpressMcp\Tools\McpPluginUpdateTools;
use Automattic\WordpressMcp\Prompts\McpGetSiteInfo as McpGetSiteInfoPrompt;
use Automattic\WordpressMcp\Prompts\McpAnalyzeSales;
use Automattic\WordpressMcp\Resources\McpPluginInfoResource;
Expand Down Expand Up @@ -191,6 +192,7 @@ private function init_default_tools(): void {
new McpMediaTools();
new McpCustomPostTypesTools();
new McpRestApiCrud();
new McpPluginUpdateTools();
}

/**
Expand Down
249 changes: 249 additions & 0 deletions includes/Tools/McpPluginUpdateTools.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,249 @@
<?php //phpcs:ignore
declare(strict_types=1);

namespace Automattic\WordpressMcp\Tools;

use Automattic\WordpressMcp\Core\RegisterMcpTool;

/**
* Class McpPluginUpdateTools
*
* Tool for updating WordPress plugins.
*
* @package Automattic\WordpressMcp\Tools
*/
class McpPluginUpdateTools {

/**
* Constructor.
*
* @return void
*/
public function __construct() {
add_action( 'wordpress_mcp_init', array( $this, 'register_tool' ) );
}

/**
* Register the tool.
*
* @return void
*/
public function register_tool(): void {
new RegisterMcpTool(
array(
'name' => 'update_plugins',
'description' => 'Updates one or more WordPress plugins.',
'inputSchema' => array(
'type' => 'object',
'properties' => array(
'plugin_slugs' => array(
'type' => 'array',
'description' => 'An array of plugin slugs to update.',
'items' => array(
'type' => 'string',
),
'minItems' => 1,
),
),
'required' => array( 'plugin_slugs' ),
),
'type' => 'action',
'callback' => array( $this, 'update_plugins' ),
'permission_callback' => array( $this, 'update_plugins_permission_callback' ),
)
);
}

/**
* Permission callback for the update_plugins tool.
*
* @return bool True if the user has permission, false otherwise.
*/
public function update_plugins_permission_callback(): bool {
return current_user_can( 'update_plugins' );
}

/**
* Update one or more plugins.
*
* @param array $args The arguments containing plugin_slugs.
*
* @return array The result of the update operation for each plugin.
*/
public function update_plugins( array $args ): array {
// Start output buffering to prevent any HTML output
ob_start();

try {
$results = array();

if ( ! isset( $args['plugin_slugs'] ) || empty( $args['plugin_slugs'] ) ) {
ob_end_clean();
return array(
'status' => 'failed',
'message' => 'No plugin slugs provided for update.',
);
}

$plugin_slugs = (array) $args['plugin_slugs'];

// Ensure necessary WordPress files are loaded.
if ( ! function_exists( 'get_plugins' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}

// Load required files for plugin updates
if ( ! class_exists( 'WP_Upgrader' ) ) {
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
}
if ( ! function_exists( 'plugins_api' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
}
if ( ! function_exists( 'request_filesystem_credentials' ) ) {
require_once ABSPATH . 'wp-admin/includes/file.php';
}
if ( ! function_exists( 'wp_tempnam' ) ) {
require_once ABSPATH . 'wp-admin/includes/misc.php';
}
if ( ! class_exists( 'WP_Upgrader_Skin' ) ) {
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader-skin.php';
}

if ( ! class_exists( 'Plugin_Upgrader' ) ) {
ob_end_clean();
return array(
'status' => 'failed',
'message' => 'Plugin_Upgrader class not available.',
);
}

$all_plugins = get_plugins();

foreach ( $plugin_slugs as $slug ) {
$plugin_path = '';

// Try multiple ways to find the plugin
foreach ( $all_plugins as $path => $data ) {
// Check if path starts with slug
if ( strpos( $path, $slug . '/' ) === 0 ) {
$plugin_path = $path;
break;
}
// Check text domain
if ( isset( $data['TextDomain'] ) && $data['TextDomain'] === $slug ) {
$plugin_path = $path;
break;
}
// Check plugin name (case insensitive)
if ( isset( $data['Name'] ) && stripos( $data['Name'], str_replace( '-', ' ', $slug ) ) !== false ) {
$plugin_path = $path;
break;
}
// Check for common plugin name variations
if ( $slug === 'wp-mail-smtp' && strpos( $path, 'wp-mail-smtp' ) !== false ) {
$plugin_path = $path;
break;
}
}

if ( empty( $plugin_path ) ) {
$results[] = array(
'plugin_slug' => $slug,
'status' => 'not_found',
'message' => 'Plugin not found: ' . $slug . '. Available plugins: ' . implode( ', ', array_keys( $all_plugins ) ),
);
continue;
}

// Force refresh update transients to get latest data
wp_update_plugins();

// Check for updates before attempting to update.
$update_plugins = get_site_transient( 'update_plugins' );
$update_available = false;
$update_info = null;
if ( $update_plugins && isset( $update_plugins->response[ $plugin_path ] ) ) {
$update_available = true;
$update_info = $update_plugins->response[ $plugin_path ];
}

if ( ! $update_available ) {
$results[] = array(
'plugin_slug' => $slug,
'status' => 'no_update_available',
'message' => 'No update available for plugin: ' . $slug,
);
continue;
}

// Get current version before update
$current_version = $all_plugins[ $plugin_path ]['Version'] ?? 'unknown';
$new_version = $update_info->new_version ?? 'unknown';

// Check if plugin is currently active
$was_active = is_plugin_active( $plugin_path );

// Create a silent upgrader skin to prevent UI function calls
$skin = new class() extends \WP_Upgrader_Skin {
public function header() {}
public function footer() {}
public function error( $error ) {}
public function feedback( $feedback, ...$args ) {}
public function before() {}
public function after() {}
public function set_result( $result ) {}
public function request_filesystem_credentials( $error = false, $context = '', $allow_relaxed_file_ownership = false ) {
return true;
}
};

// Attempt to update the plugin using Plugin_Upgrader.
$upgrader = new \Plugin_Upgrader( $skin );
$update_result = $upgrader->upgrade( $plugin_path );

if ( is_wp_error( $update_result ) ) {
$results[] = array(
'plugin_slug' => $slug,
'status' => 'failed',
'message' => $update_result->get_error_message(),
);
} elseif ( $update_result === false ) {
$results[] = array(
'plugin_slug' => $slug,
'status' => 'failed',
'message' => 'Plugin update failed: ' . $slug,
);
} else {
// Reactivate plugin if it was active before update
if ( $was_active ) {
activate_plugin( $plugin_path );
}

$results[] = array(
'plugin_slug' => $slug,
'status' => 'success',
'message' => 'Plugin updated successfully: ' . $slug . ' (from v' . $current_version . ' to v' . $new_version . ')',
'old_version' => $current_version,
'new_version' => $new_version,
'reactivated' => $was_active,
);
}
}

ob_end_clean();
return $results;
} catch ( \Exception $e ) {
ob_end_clean();
return array(
'status' => 'failed',
'message' => 'Plugin update failed with error: ' . $e->getMessage(),
);
} catch ( \Error $e ) {
ob_end_clean();
return array(
'status' => 'failed',
'message' => 'Plugin update failed with fatal error: ' . $e->getMessage(),
);
}
}
}
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