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<?php
/**
 * REST API: WP_REST_Plugins_Controller class
 *
 * @package WordPress
 * @subpackage REST_API
 * @since 5.5.0
 */

/**
 * Core class to access plugins via the REST API.
 *
 * @since 5.5.0
 *
 * @see WP_REST_Controller
 */
class WP_REST_Plugins_Controller extends WP_REST_Controller {

	const PATTERN = '[^.\/]+(?:\/[^.\/]+)?';

	/**
	 * Plugins controller constructor.
	 *
	 * @since 5.5.0
	 */
	public function __construct() {
		$this->namespace = 'wp/v2';
		$this->rest_base = 'plugins';
	}

	/**
	 * Registers the routes for the plugins controller.
	 *
	 * @since 5.5.0
	 */
	public function register_routes() {
		register_rest_route(
			$this->namespace,
			'/' . $this->rest_base,
			array(
				array(
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => array( $this, 'get_items' ),
					'permission_callback' => array( $this, 'get_items_permissions_check' ),
					'args'                => $this->get_collection_params(),
				),
				array(
					'methods'             => WP_REST_Server::CREATABLE,
					'callback'            => array( $this, 'create_item' ),
					'permission_callback' => array( $this, 'create_item_permissions_check' ),
					'args'                => array(
						'slug'   => array(
							'type'        => 'string',
							'required'    => true,
							'description' => __( 'WordPress.org plugin directory slug.' ),
							'pattern'     => '[\w\-]+',
						),
						'status' => array(
							'description' => __( 'The plugin activation status.' ),
							'type'        => 'string',
							'enum'        => is_multisite() ? array( 'inactive', 'active', 'network-active' ) : array( 'inactive', 'active' ),
							'default'     => 'inactive',
						),
					),
				),
				'schema' => array( $this, 'get_public_item_schema' ),
			)
		);

		register_rest_route(
			$this->namespace,
			'/' . $this->rest_base . '/(?P<plugin>' . self::PATTERN . ')',
			array(
				array(
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => array( $this, 'get_item' ),
					'permission_callback' => array( $this, 'get_item_permissions_check' ),
				),
				array(
					'methods'             => WP_REST_Server::EDITABLE,
					'callback'            => array( $this, 'update_item' ),
					'permission_callback' => array( $this, 'update_item_permissions_check' ),
					'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
				),
				array(
					'methods'             => WP_REST_Server::DELETABLE,
					'callback'            => array( $this, 'delete_item' ),
					'permission_callback' => array( $this, 'delete_item_permissions_check' ),
				),
				'args'   => array(
					'context' => $this->get_context_param( array( 'default' => 'view' ) ),
					'plugin'  => array(
						'type'              => 'string',
						'pattern'           => self::PATTERN,
						'validate_callback' => array( $this, 'validate_plugin_param' ),
						'sanitize_callback' => array( $this, 'sanitize_plugin_param' ),
					),
				),
				'schema' => array( $this, 'get_public_item_schema' ),
			)
		);
	}

	/**
	 * Checks if a given request has access to get plugins.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
	 */
	public function get_items_permissions_check( $request ) {
		if ( ! current_user_can( 'activate_plugins' ) ) {
			return new WP_Error(
				'rest_cannot_view_plugins',
				__( 'Sorry, you are not allowed to manage plugins for this site.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		return true;
	}

	/**
	 * Retrieves a collection of plugins.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function get_items( $request ) {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';

		$plugins = array();

		foreach ( get_plugins() as $file => $data ) {
			if ( is_wp_error( $this->check_read_permission( $file ) ) ) {
				continue;
			}

			$data['_file'] = $file;

			if ( ! $this->does_plugin_match_request( $request, $data ) ) {
				continue;
			}

			$plugins[] = $this->prepare_response_for_collection( $this->prepare_item_for_response( $data, $request ) );
		}

		return new WP_REST_Response( $plugins );
	}

	/**
	 * Checks if a given request has access to get a specific plugin.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise.
	 */
	public function get_item_permissions_check( $request ) {
		if ( ! current_user_can( 'activate_plugins' ) ) {
			return new WP_Error(
				'rest_cannot_view_plugin',
				__( 'Sorry, you are not allowed to manage plugins for this site.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		$can_read = $this->check_read_permission( $request['plugin'] );

		if ( is_wp_error( $can_read ) ) {
			return $can_read;
		}

		return true;
	}

	/**
	 * Retrieves one plugin from the site.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function get_item( $request ) {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';

		$data = $this->get_plugin_data( $request['plugin'] );

		if ( is_wp_error( $data ) ) {
			return $data;
		}

		return $this->prepare_item_for_response( $data, $request );
	}

	/**
	 * Checks if the given plugin can be viewed by the current user.
	 *
	 * On multisite, this hides non-active network only plugins if the user does not have permission
	 * to manage network plugins.
	 *
	 * @since 5.5.0
	 *
	 * @param string $plugin The plugin file to check.
	 * @return true|WP_Error True if can read, a WP_Error instance otherwise.
	 */
	protected function check_read_permission( $plugin ) {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';

		if ( ! $this->is_plugin_installed( $plugin ) ) {
			return new WP_Error( 'rest_plugin_not_found', __( 'Plugin not found.' ), array( 'status' => 404 ) );
		}

		if ( ! is_multisite() ) {
			return true;
		}

		if ( ! is_network_only_plugin( $plugin ) || is_plugin_active( $plugin ) || current_user_can( 'manage_network_plugins' ) ) {
			return true;
		}

		return new WP_Error(
			'rest_cannot_view_plugin',
			__( 'Sorry, you are not allowed to manage this plugin.' ),
			array( 'status' => rest_authorization_required_code() )
		);
	}

	/**
	 * Checks if a given request has access to upload plugins.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has access to create items, WP_Error object otherwise.
	 */
	public function create_item_permissions_check( $request ) {
		if ( ! current_user_can( 'install_plugins' ) ) {
			return new WP_Error(
				'rest_cannot_install_plugin',
				__( 'Sorry, you are not allowed to install plugins on this site.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		if ( 'inactive' !== $request['status'] && ! current_user_can( 'activate_plugins' ) ) {
			return new WP_Error(
				'rest_cannot_activate_plugin',
				__( 'Sorry, you are not allowed to activate plugins.' ),
				array(
					'status' => rest_authorization_required_code(),
				)
			);
		}

		return true;
	}

	/**
	 * Uploads a plugin and optionally activates it.
	 *
	 * @since 5.5.0
	 *
	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function create_item( $request ) {
		global $wp_filesystem;

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

		$slug = $request['slug'];

		// Verify filesystem is accessible first.
		$filesystem_available = $this->is_filesystem_available();
		if ( is_wp_error( $filesystem_available ) ) {
			return $filesystem_available;
		}

		$api = plugins_api(
			'plugin_information',
			array(
				'slug'   => $slug,
				'fields' => array(
					'sections'       => false,
					'language_packs' => true,
				),
			)
		);

		if ( is_wp_error( $api ) ) {
			if ( str_contains( $api->get_error_message(), 'Plugin not found.' ) ) {
				$api->add_data( array( 'status' => 404 ) );
			} else {
				$api->add_data( array( 'status' => 500 ) );
			}

			return $api;
		}

		$skin     = new WP_Ajax_Upgrader_Skin();
		$upgrader = new Plugin_Upgrader( $skin );

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

		if ( is_wp_error( $result ) ) {
			$result->add_data( array( 'status' => 500 ) );

			return $result;
		}

		// This should be the same as $result above.
		if ( is_wp_error( $skin->result ) ) {
			$skin->result->add_data( array( 'status' => 500 ) );

			return $skin->result;
		}

		if ( $skin->get_errors()->has_errors() ) {
			$error = $skin->get_errors();
			$error->add_data( array( 'status' => 500 ) );

			return $error;
		}

		if ( is_null( $result ) ) {
			// 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->has_errors()
			) {
				return new WP_Error(
					'unable_to_connect_to_filesystem',
					$wp_filesystem->errors->get_error_message(),
					array( 'status' => 500 )
				);
			}

			return new WP_Error(
				'unable_to_connect_to_filesystem',
				__( 'Unable to connect to the filesystem. Please confirm your credentials.' ),
				array( 'status' => 500 )
			);
		}

		$file = $upgrader->plugin_info();

		if ( ! $file ) {
			return new WP_Error(
				'unable_to_determine_installed_plugin',
				__( 'Unable to determine what plugin was installed.' ),
				array( 'status' => 500 )
			);
		}

		if ( 'inactive' !== $request['status'] ) {
			$can_change_status = $this->plugin_status_permission_check( $file, $request['status'], 'inactive' );

			if ( is_wp_error( $can_change_status ) ) {
				return $can_change_status;
			}

			$changed_status = $this->handle_plugin_status( $file, $request['status'], 'inactive' );

			if ( is_wp_error( $changed_status ) ) {
				return $changed_status;
			}
		}

		// Install translations.
		$installed_locales = array_values( get_available_languages() );
		/** This filter is documented in wp-includes/update.php */
		$installed_locales = apply_filters( 'plugins_update_check_locales', $installed_locales );

		$language_packs = array_map(
			static function ( $item ) {
				return (object) $item;
			},
			$api->language_packs
		);

		$language_packs = array_filter(
			$language_packs,
			static function ( $pack ) use ( $installed_locales ) {
				return in_array( $pack->language, $installed_locales, true );
			}
		);

		if ( $language_packs ) {
			$lp_upgrader = new Language_Pack_Upgrader( $skin );

			// Install all applicable language packs for the plugin.
			$lp_upgrader->bulk_upgrade( $language_packs );
		}

		$path          = WP_PLUGIN_DIR . '/' . $file;
		$data          = get_plugin_data( $path, false, false );
		$data['_file'] = $file;

		$response = $this->prepare_item_for_response( $data, $request );
		$response->set_status( 201 );
		$response->header( 'Location', rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, substr( $file, 0, - 4 ) ) ) );

		return $response;
	}

	/**
	 * Checks if a given request has access to update a specific plugin.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise.
	 */
	public function update_item_permissions_check( $request ) {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';

		if ( ! current_user_can( 'activate_plugins' ) ) {
			return new WP_Error(
				'rest_cannot_manage_plugins',
				__( 'Sorry, you are not allowed to manage plugins for this site.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		$can_read = $this->check_read_permission( $request['plugin'] );

		if ( is_wp_error( $can_read ) ) {
			return $can_read;
		}

		$status = $this->get_plugin_status( $request['plugin'] );

		if ( $request['status'] && $status !== $request['status'] ) {
			$can_change_status = $this->plugin_status_permission_check( $request['plugin'], $request['status'], $status );

			if ( is_wp_error( $can_change_status ) ) {
				return $can_change_status;
			}
		}

		return true;
	}

	/**
	 * Updates one plugin.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function update_item( $request ) {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';

		$data = $this->get_plugin_data( $request['plugin'] );

		if ( is_wp_error( $data ) ) {
			return $data;
		}

		$status = $this->get_plugin_status( $request['plugin'] );

		if ( $request['status'] && $status !== $request['status'] ) {
			$handled = $this->handle_plugin_status( $request['plugin'], $request['status'], $status );

			if ( is_wp_error( $handled ) ) {
				return $handled;
			}
		}

		$this->update_additional_fields_for_object( $data, $request );

		$request['context'] = 'edit';

		return $this->prepare_item_for_response( $data, $request );
	}

	/**
	 * Checks if a given request has access to delete a specific plugin.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has access to delete the item, WP_Error object otherwise.
	 */
	public function delete_item_permissions_check( $request ) {
		if ( ! current_user_can( 'activate_plugins' ) ) {
			return new WP_Error(
				'rest_cannot_manage_plugins',
				__( 'Sorry, you are not allowed to manage plugins for this site.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		if ( ! current_user_can( 'delete_plugins' ) ) {
			return new WP_Error(
				'rest_cannot_manage_plugins',
				__( 'Sorry, you are not allowed to delete plugins for this site.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		$can_read = $this->check_read_permission( $request['plugin'] );

		if ( is_wp_error( $can_read ) ) {
			return $can_read;
		}

		return true;
	}

	/**
	 * Deletes one plugin from the site.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function delete_item( $request ) {
		require_once ABSPATH . 'wp-admin/includes/file.php';
		require_once ABSPATH . 'wp-admin/includes/plugin.php';

		$data = $this->get_plugin_data( $request['plugin'] );

		if ( is_wp_error( $data ) ) {
			return $data;
		}

		if ( is_plugin_active( $request['plugin'] ) ) {
			return new WP_Error(
				'rest_cannot_delete_active_plugin',
				__( 'Cannot delete an active plugin. Please deactivate it first.' ),
				array( 'status' => 400 )
			);
		}

		$filesystem_available = $this->is_filesystem_available();
		if ( is_wp_error( $filesystem_available ) ) {
			return $filesystem_available;
		}

		$prepared = $this->prepare_item_for_response( $data, $request );
		$deleted  = delete_plugins( array( $request['plugin'] ) );

		if ( is_wp_error( $deleted ) ) {
			$deleted->add_data( array( 'status' => 500 ) );

			return $deleted;
		}

		return new WP_REST_Response(
			array(
				'deleted'  => true,
				'previous' => $prepared->get_data(),
			)
		);
	}

	/**
	 * Prepares the plugin for the REST response.
	 *
	 * @since 5.5.0
	 *
	 * @param array           $item    Unmarked up and untranslated plugin data from {@see get_plugin_data()}.
	 * @param WP_REST_Request $request Request object.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function prepare_item_for_response( $item, $request ) {
		$fields = $this->get_fields_for_response( $request );

		$item   = _get_plugin_data_markup_translate( $item['_file'], $item, false );
		$marked = _get_plugin_data_markup_translate( $item['_file'], $item, true );

		$data = array(
			'plugin'       => substr( $item['_file'], 0, - 4 ),
			'status'       => $this->get_plugin_status( $item['_file'] ),
			'name'         => $item['Name'],
			'plugin_uri'   => $item['PluginURI'],
			'author'       => $item['Author'],
			'author_uri'   => $item['AuthorURI'],
			'description'  => array(
				'raw'      => $item['Description'],
				'rendered' => $marked['Description'],
			),
			'version'      => $item['Version'],
			'network_only' => $item['Network'],
			'requires_wp'  => $item['RequiresWP'],
			'requires_php' => $item['RequiresPHP'],
			'textdomain'   => $item['TextDomain'],
		);

		$data = $this->add_additional_fields_to_object( $data, $request );

		$response = new WP_REST_Response( $data );

		if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
			$response->add_links( $this->prepare_links( $item ) );
		}

		/**
		 * Filters plugin data for a REST API response.
		 *
		 * @since 5.5.0
		 *
		 * @param WP_REST_Response $response The response object.
		 * @param array            $item     The plugin item from {@see get_plugin_data()}.
		 * @param WP_REST_Request  $request  The request object.
		 */
		return apply_filters( 'rest_prepare_plugin', $response, $item, $request );
	}

	/**
	 * Prepares links for the request.
	 *
	 * @since 5.5.0
	 *
	 * @param array $item The plugin item.
	 * @return array[]
	 */
	protected function prepare_links( $item ) {
		return array(
			'self' => array(
				'href' => rest_url(
					sprintf(
						'%s/%s/%s',
						$this->namespace,
						$this->rest_base,
						substr( $item['_file'], 0, - 4 )
					)
				),
			),
		);
	}

	/**
	 * Gets the plugin header data for a plugin.
	 *
	 * @since 5.5.0
	 *
	 * @param string $plugin The plugin file to get data for.
	 * @return array|WP_Error The plugin data, or a WP_Error if the plugin is not installed.
	 */
	protected function get_plugin_data( $plugin ) {
		$plugins = get_plugins();

		if ( ! isset( $plugins[ $plugin ] ) ) {
			return new WP_Error( 'rest_plugin_not_found', __( 'Plugin not found.' ), array( 'status' => 404 ) );
		}

		$data          = $plugins[ $plugin ];
		$data['_file'] = $plugin;

		return $data;
	}

	/**
	 * Get's the activation status for a plugin.
	 *
	 * @since 5.5.0
	 *
	 * @param string $plugin The plugin file to check.
	 * @return string Either 'network-active', 'active' or 'inactive'.
	 */
	protected function get_plugin_status( $plugin ) {
		if ( is_plugin_active_for_network( $plugin ) ) {
			return 'network-active';
		}

		if ( is_plugin_active( $plugin ) ) {
			return 'active';
		}

		return 'inactive';
	}

	/**
	 * Handle updating a plugin's status.
	 *
	 * @since 5.5.0
	 *
	 * @param string $plugin         The plugin file to update.
	 * @param string $new_status     The plugin's new status.
	 * @param string $current_status The plugin's current status.
	 * @return true|WP_Error
	 */
	protected function plugin_status_permission_check( $plugin, $new_status, $current_status ) {
		if ( is_multisite() && ( 'network-active' === $current_status || 'network-active' === $new_status ) && ! current_user_can( 'manage_network_plugins' ) ) {
			return new WP_Error(
				'rest_cannot_manage_network_plugins',
				__( 'Sorry, you are not allowed to manage network plugins.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		if ( ( 'active' === $new_status || 'network-active' === $new_status ) && ! current_user_can( 'activate_plugin', $plugin ) ) {
			return new WP_Error(
				'rest_cannot_activate_plugin',
				__( 'Sorry, you are not allowed to activate this plugin.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		if ( 'inactive' === $new_status && ! current_user_can( 'deactivate_plugin', $plugin ) ) {
			return new WP_Error(
				'rest_cannot_deactivate_plugin',
				__( 'Sorry, you are not allowed to deactivate this plugin.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		return true;
	}

	/**
	 * Handle updating a plugin's status.
	 *
	 * @since 5.5.0
	 *
	 * @param string $plugin         The plugin file to update.
	 * @param string $new_status     The plugin's new status.
	 * @param string $current_status The plugin's current status.
	 * @return true|WP_Error
	 */
	protected function handle_plugin_status( $plugin, $new_status, $current_status ) {
		if ( 'inactive' === $new_status ) {
			deactivate_plugins( $plugin, false, 'network-active' === $current_status );

			return true;
		}

		if ( 'active' === $new_status && 'network-active' === $current_status ) {
			return true;
		}

		$network_activate = 'network-active' === $new_status;

		if ( is_multisite() && ! $network_activate && is_network_only_plugin( $plugin ) ) {
			return new WP_Error(
				'rest_network_only_plugin',
				__( 'Network only plugin must be network activated.' ),
				array( 'status' => 400 )
			);
		}

		$activated = activate_plugin( $plugin, '', $network_activate );

		if ( is_wp_error( $activated ) ) {
			$activated->add_data( array( 'status' => 500 ) );

			return $activated;
		}

		return true;
	}

	/**
	 * Checks that the "plugin" parameter is a valid path.
	 *
	 * @since 5.5.0
	 *
	 * @param string $file The plugin file parameter.
	 * @return bool
	 */
	public function validate_plugin_param( $file ) {
		if ( ! is_string( $file ) || ! preg_match( '/' . self::PATTERN . '/u', $file ) ) {
			return false;
		}

		$validated = validate_file( plugin_basename( $file ) );

		return 0 === $validated;
	}

	/**
	 * Sanitizes the "plugin" parameter to be a proper plugin file with ".php" appended.
	 *
	 * @since 5.5.0
	 *
	 * @param string $file The plugin file parameter.
	 * @return string
	 */
	public function sanitize_plugin_param( $file ) {
		return plugin_basename( sanitize_text_field( $file . '.php' ) );
	}

	/**
	 * Checks if the plugin matches the requested parameters.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_REST_Request $request The request to require the plugin matches against.
	 * @param array           $item    The plugin item.
	 * @return bool
	 */
	protected function does_plugin_match_request( $request, $item ) {
		$search = $request['search'];

		if ( $search ) {
			$matched_search = false;

			foreach ( $item as $field ) {
				if ( is_string( $field ) && str_contains( strip_tags( $field ), $search ) ) {
					$matched_search = true;
					break;
				}
			}

			if ( ! $matched_search ) {
				return false;
			}
		}

		$status = $request['status'];

		if ( $status && ! in_array( $this->get_plugin_status( $item['_file'] ), $status, true ) ) {
			return false;
		}

		return true;
	}

	/**
	 * Checks if the plugin is installed.
	 *
	 * @since 5.5.0
	 *
	 * @param string $plugin The plugin file.
	 * @return bool
	 */
	protected function is_plugin_installed( $plugin ) {
		return file_exists( WP_PLUGIN_DIR . '/' . $plugin );
	}

	/**
	 * Determine if the endpoints are available.
	 *
	 * Only the 'Direct' filesystem transport, and SSH/FTP when credentials are stored are supported at present.
	 *
	 * @since 5.5.0
	 *
	 * @return true|WP_Error True if filesystem is available, WP_Error otherwise.
	 */
	protected function is_filesystem_available() {
		$filesystem_method = get_filesystem_method();

		if ( 'direct' === $filesystem_method ) {
			return true;
		}

		ob_start();
		$filesystem_credentials_are_stored = request_filesystem_credentials( self_admin_url() );
		ob_end_clean();

		if ( $filesystem_credentials_are_stored ) {
			return true;
		}

		return new WP_Error( 'fs_unavailable', __( 'The filesystem is currently unavailable for managing plugins.' ), array( 'status' => 500 ) );
	}

	/**
	 * Retrieves the plugin's schema, conforming to JSON Schema.
	 *
	 * @since 5.5.0
	 *
	 * @return array Item schema data.
	 */
	public function get_item_schema() {
		if ( $this->schema ) {
			return $this->add_additional_fields_schema( $this->schema );
		}

		$this->schema = array(
			'$schema'    => 'http://json-schema.org/draft-04/schema#',
			'title'      => 'plugin',
			'type'       => 'object',
			'properties' => array(
				'plugin'       => array(
					'description' => __( 'The plugin file.' ),
					'type'        => 'string',
					'pattern'     => self::PATTERN,
					'readonly'    => true,
					'context'     => array( 'view', 'edit', 'embed' ),
				),
				'status'       => array(
					'description' => __( 'The plugin activation status.' ),
					'type'        => 'string',
					'enum'        => is_multisite() ? array( 'inactive', 'active', 'network-active' ) : array( 'inactive', 'active' ),
					'context'     => array( 'view', 'edit', 'embed' ),
				),
				'name'         => array(
					'description' => __( 'The plugin name.' ),
					'type'        => 'string',
					'readonly'    => true,
					'context'     => array( 'view', 'edit', 'embed' ),
				),
				'plugin_uri'   => array(
					'description' => __( 'The plugin\'s website address.' ),
					'type'        => 'string',
					'format'      => 'uri',
					'readonly'    => true,
					'context'     => array( 'view', 'edit' ),
				),
				'author'       => array(
					'description' => __( 'The plugin author.' ),
					'type'        => 'object',
					'readonly'    => true,
					'context'     => array( 'view', 'edit' ),
				),
				'author_uri'   => array(
					'description' => __( 'Plugin author\'s website address.' ),
					'type'        => 'string',
					'format'      => 'uri',
					'readonly'    => true,
					'context'     => array( 'view', 'edit' ),
				),
				'description'  => array(
					'description' => __( 'The plugin description.' ),
					'type'        => 'object',
					'readonly'    => true,
					'context'     => array( 'view', 'edit' ),
					'properties'  => array(
						'raw'      => array(
							'description' => __( 'The raw plugin description.' ),
							'type'        => 'string',
						),
						'rendered' => array(
							'description' => __( 'The plugin description formatted for display.' ),
							'type'        => 'string',
						),
					),
				),
				'version'      => array(
					'description' => __( 'The plugin version number.' ),
					'type'        => 'string',
					'readonly'    => true,
					'context'     => array( 'view', 'edit' ),
				),
				'network_only' => array(
					'description' => __( 'Whether the plugin can only be activated network-wide.' ),
					'type'        => 'boolean',
					'readonly'    => true,
					'context'     => array( 'view', 'edit', 'embed' ),
				),
				'requires_wp'  => array(
					'description' => __( 'Minimum required version of WordPress.' ),
					'type'        => 'string',
					'readonly'    => true,
					'context'     => array( 'view', 'edit', 'embed' ),
				),
				'requires_php' => array(
					'description' => __( 'Minimum required version of PHP.' ),
					'type'        => 'string',
					'readonly'    => true,
					'context'     => array( 'view', 'edit', 'embed' ),
				),
				'textdomain'   => array(
					'description' => __( 'The plugin\'s text domain.' ),
					'type'        => 'string',
					'readonly'    => true,
					'context'     => array( 'view', 'edit' ),
				),
			),
		);

		return $this->add_additional_fields_schema( $this->schema );
	}

	/**
	 * Retrieves the query params for the collections.
	 *
	 * @since 5.5.0
	 *
	 * @return array Query parameters for the collection.
	 */
	public function get_collection_params() {
		$query_params = parent::get_collection_params();

		$query_params['context']['default'] = 'view';

		$query_params['status'] = array(
			'description' => __( 'Limits results to plugins with the given status.' ),
			'type'        => 'array',
			'items'       => array(
				'type' => 'string',
				'enum' => is_multisite() ? array( 'inactive', 'active', 'network-active' ) : array( 'inactive', 'active' ),
			),
		);

		unset( $query_params['page'], $query_params['per_page'] );

		return $query_params;
	}
}

SPERA Medicare – Affy Pharma Pvt Ltd

SPEROXIME

POWDER FOR ORAL SUSPENSION
30ML (HDPE BOTTLE)

Composition

Cefpodoxime 50mg/5ml

Indications & Uses

UTIs, LRTs

SPEROXIME-CV

POWDER FOR ORAL SUSPENSION
30ML (GLASS BOTTLE)

Composition

Cefpodoxime 50mg + Potassium Clavulanate 31.25mg/ 5ml

Indications & Uses

Upper & lower respiratory infections, Uncomplicated skin infections, Urinary Tract Infections

SPERACLAV

POWDER FOR ORAL SUSPENSION
30ML (GLASS +HDPE BOTTLE)

Composition

Amoxycillin 200mg + Potassium clavulanate 28.50 mg/ 5ml

Indications & Uses

Community Acquired Pneumonia, Acute Exacerbations of Chronic Bronchitis, Upper Respiratory Tract Infections, Urinary Tract Infections

SPERIXIME-CV

POWDER FOR ORAL SUSPENSION

30ML (GLASS BOTTLE)

Composition

Cefixime 50mg + Potassium clavulanate 31.25mg/5ml

Indications & Uses

Urinary Tract Inefctions, AECB, Otitis Media, Typhoid

SPERIXIME

POWDER FOR ORAL SUSPENSION
30ML (HDPE BOTTLE)

Composition

Cefixime 50mg/5ml

Indications & Uses

Urinary Tract Inefctions, Gastroenteritis

SPAZIT

ORAL SUSPENSION
15 ml

Composition

Azithromycin 200mg/5ml

Indications & Uses

Community Acquired Pneumonia, Acute Exacerbations of Chronic Bronchitis,

SPENOMOL-DS

ORAL SUSPENSION
60 ml

Composition

Paracetamol 250mg/5ml

Indications & Uses

Fever, Pain

SPENOMOLM

ORAL SUSPENSION
60 ml

Composition

Paracetamol 125mg + Mefenamic Acid 50mg/5ml

Indications & Uses

Pain, Fever

SPEROF

ORAL SUSPENSION
30 ml

Composition

Ofloxacin 50mg/5ml

Indications & Uses

Acute exacerbations of chronic Bronchitis, Diarrhoea

SPENOMOL-CP

SYRUP
60 ml

Composition

Paracetamol 125mg + PPH 5mg + Cetirizine HCI 2mg/5ml

Indications & Uses

Fever, common cold & Flu

PROBILIN

ORAL SUSPENSION
200ml

Composition

Cyproheptadine HCI 2mg + Tricholine citrate 0.275mg/5ml

Indications & Uses

Stimulate Apetite, Induces Weight Gain, Cure Allergies

SPERAZOLE-DSR

CAPSULES ( HARD GELATIN)
10X10 (Alu-Alu)

Composition

Pantoprazole 40mg (EC) + Domperidone 30mg (SR)

Indications & Uses

GERD, Dyspepsia, Acid Peptic Disorders, Gastritis

SPERAB-DSR

CAPSULES ( HARD GELATIN)
11X10 (Alu-Alu)

Composition

Rabeprazole 20mg (EC) + Domperidone SR

Indications & Uses

GERD, Dyspepsia, Acid Peptic Disorders, Gastritis

SPERAZOLE 40

INJECTION

40ml

Composition

Pantoprazole Sodium 40mg + NaCL

Indications & Uses

Acid-peptic disorders in hospitalized patients, Zollinger – Ellison Syndrome, Treatment of GERD Associated with Erasive Esophagitis, GL Bleed

COOLRICH

SUSPENSION
170ml

Composition

Activated Dimethicone 25mg + Magnesium Hydroxide 200mg+ Aluminium Hydroxide Gel 200mg/10ml

Indications & Uses

Heartburn, Acid Indigestion

SPERAZYME

SYRUP
200ml

Composition

Alpha Amylase (1:2000) 50mg, Pepsin(1:3000) 10mg/5ml

Indications & Uses

Dyspepsia, Flatulence, Anorexia, Pancreatic Insufficiency

SPUR-ON

CAPSULES (HARD GELATIN)
10X3X10

Composition

Vitamin C 75mg + Vitamin B12 5mcg + Carbonyl Iron 100mg + Folic Acid 1.5mg + Zinc Sulphate 61.8mg

Indications & Uses

Hyphocromic Anemia in Pregnancy, Chronic and / or Acute Blood Loss, Post-gynaesurgery, Iron Deficiency Anemia

SP-D3 60K

CAPSULES (SOFT GELATIN)
10X1X4

Composition

Cholecalciferol 60000 UI

Indications & Uses

Osteoporosis, Osteoarthritis, Musculoskeletal Pain, Type- 2 Diabetes, Menstrual Irregularities, Pre-eclampsia, IUGR

ERABONA

ORAL SUSPENSION
200ml

Composition

Calcium Carbonate 625mg, Vitamin D3 125 IU/5ml

Indications & Uses

Osteomalacia, Osteoporosis, Fractures, Premenstrual Syndrome

IRO-SPUR

SYRUP (IRON TONIC)
300 ml

Composition

Iron (III) Hydroxide Polymaltose 50mg, Folic Acid 0.5mg/15ml

Indications & Uses

Pregnancy and lactation, Iron Deficiency Anaemia, Anaemia due to Excessive Haemorrhage, Anaemia Associated with Infections and Malignant Disease

CALANTE-Z

CAPSULES (SOFT GELATIN)
5X2X15

Composition

Calcitriol 0.25mcg + Calcium Carbonate 500mg + Zinc Sulphate 7.5mg

Indications & Uses

Osteoporosis, Hypoparathyroidism, Pregnancy & Lactation, Premenstrual Syndrome

SPERA SPAS

TABLETS
20X10

Composition

Mefenamic Acid 250mg + Dicyclomine HCI 10mg

Indications & Uses

Dysmenorrhea, Irritable Bowel Syndrome, Colic and Bladder Spasm, Abdominal Pain

SPERAFEN

TABLETS (BLISTERS)
20X10

Composition

Nimeulide 100mg + Paracetamo; 325mg

Indications & Uses

Arthritis Pain, Soft Tissue Trauma Including Sprains, Musculoskeletal Pain, Pain Following Dental Extraction

PARADOL FORTE

TABLETS

20X10

Composition

Tramadol 37.5mg + Paracetamol 325mg

Indications & Uses

Chronic Back Pain, Osteoarthritis, Postoperative Pain

DIRABEN GEL

GEL
30g

Composition

Diclofenac Diethylamine 1.16% w/w + Oleum Linseed Oil 3 % w/w + Menthol 5% w/w +Methyl Salicylate 10% w/w

Indications & Uses

Sprains & Strains, Lower Back Pain, Joint Pain, Knee Pain

ULTISOFT

CREAM
20g

Composition

Urea 10% +Lactic Acid 10% + Propylene Glycol 10% + Liquid Paraffin 10%

Indications & Uses

Foot Cracks, Keratolytic

PERAZOB

OINTMENT
15g

Composition

Clotrimazole 1% w/w + Beclomethasone Dipropionate 0.025% w/w + Neomycin 0.5% w/w

Indications & Uses

Eczema, Psoriasis, Corticosteroid Responsive Dermatoses

SPARKETO

LOTION
100 ml

Composition

Ketoconazole 2% w/v

Indications & Uses

Pityriasis, Dandruff

SPARKETO-Z

LOTION
100 ml

Composition

Ketoconazole Shampoo 2% w/v + ZPTO 1% w/v

Indications & Uses

Pityriasis, Dandruff

SPARKETO

SOAP
75g

Composition

Ketoconazole 1% w/w

Indications & Uses

Tinea Versicolor, Prophylaxis of Pityriasis Versicolor

SPUKA

TABLETS
20X1X1

Composition

Fluconazole 200mg

Indications & Uses

Vaginal Candidiasis, Brochopulmonary Infections, Candiduria, Tinea Pedis, Corposis, Cruris, Versicolor

VITALAND

SYRUP
200ml

Composition

L-Iysine HCI 25mg + Vitamin B1 2.5mg + Vitamin B2 2.5mg + Vitamin B6 0.75mg + D-panthenol 3mg +Niacinamide 25mg + Mecobalamin 2mcg/10ml

Indications & Uses

Sub-optimal Growth, Poor Weight Gain, Malnutrition, Prolonged Illness

LYCOZIDE PLUS

SYRUP
225ml

Composition

Each 10ml Contains: Lycopene 6% 1000mcg + Vitamin A Palmitate 2500 IU + Vitamin E 10 IU + Ascorbic Acid 50mg + Selenium (as Sodium Selenate) 35mcg + Zinc (As Zinc Gluconate) 3mg + Manganese (as Manganese Gluconate) 2mg + Iodine ( As Potassium Iodine) 100mcg + Copper (As Copper Sulphate0 500mcg + Thiamine HCI 2mg + Riboflavine 3mg + Pyridoxine HCI 1.5mg

Indications & Uses

Tiredness, Stress, Feeling of Weakness, Vitality Deficiency

DENUM

CAPSULES (SOFT GELATIN)
10X1X10

Composition

Antioxidant, Multivitamin & Multiminerals

Indications & Uses

Tiredness, Stress, Feeling of Weakness, Vitality Deficiency

NATOW

CAPSULES (SOFT GELATIN)
10X1X10

Composition

Vitamin E (Natural) 400 IU + Wheat Germ Oil 100mg + Omega 3 Fatty Acids 30mg

Indications & Uses

Ulcerative colitis, Metabolic Syndrome, Rheumatoid Arthritis, Type-2 Diabetes, Cardiovascular Diseases

LYCOZIDE

CAPSULES (SOFT GELATIN)
10X1X10

Composition

Each SG Contains Lycopene 6% 2000 IU + Vitamin A 2500 IU + Vitamin E Acetate 10 IU + Vitamin C 50 mg + Zinc sulphate Monohydrate 27.45mg + Selenium Dioxide 70mcg

Indications & Uses

Idiopathic Male Infertility, Pre-eclampsia, Prostate Cancer, Cardiovascular Diseases, Diabetes Mellitus

DENUM 4G

CAPSULES (SOFT GELATIN)
10X1X10

Composition

Omega 3 Fatty Acid + Ginseng Extract + Ginkgo Bilaba Extract + Grape Seed Extract + Ginseng Extract + Multimineral + Multivitamin + Antioxidants + Trace Elements

Indications & Uses

Tiredness, Stress, Feeling of Weakness, Vitality Deficiency

DENUM G

CAPSULES (SOFT GELATIN)
10X1X11

Composition

Ginseng + Multivitamin + Multimineral

Indications & Uses

Tiredness, Stress, Feeling of Weakness, Vitality Deficiency

SPERIXIME – 200 LB

TABLETS (Alu-Alu)

20X10

Composition

Cefixime 200mg + Lactic Acid Bacilus 2.5 billion spores

Indications & Uses

Otitis Media, Pharyngitis & Tonsillitis, Uncomplicated Urinary Tract Infections, Acute Exacerbations of Chronic Bronchitis, Enteric Fever

SPERIXIME-CV 325

TABLETS (Alu-Alu)
10X1X6

Composition

Cefixime 200mg + Potassium Clavulanate 125mg

Indications & Uses

Respiratory Tract Infections, Urinary Tract Infections, Skin & Skin Structure Infections

SPERACLAV-625

TABLETS (Alu-Alu)
10X1X6

Composition

Amoxycillin 500mg + Potassium Clavulanate 125mg

Indications & Uses

Respiratory Tract Infections, Community Acquired Pneumonia, Gynaecological Infections, Acute Exacerbations of Chronic Bronchitis, Skin and Soft Tissue Infections

SPEROF-O

TABLETS (Blister)
20X10

Composition

Ofloxacin 200mg + Ornidazole 500mg

Indications & Uses

Surgical ions, Diarrheas of Mixed Etiology, Gynaecological Infections, Orofacial and Dental Infections

VEXACIN

TABLETS
10X10

Composition

Levofloxacin 500mg

Indications & Uses

Acute Bacterial Sinusitis, Acute Bacterial Exacerbations of Chronic Bronchitis, Skin & Skin Structure Infections, Chronic Bacterial Prostatitis, Urinary Tract Infections

SPERIXIME-O

TABLETS (Alu-Alu)
10X1X10

Composition

Cefixime 200mg + Ofloxacin 200mg

Indications & Uses

Community Acquired Pneumonia, Multiple Drug Resistant-TB, Typhoid

SPEROXIME-200

TABLETS (Alu-Alu)
10X1X6

Composition

Cefpodoxime Proxetil 200mg

Indications & Uses

Pharyngitis, CAP, Tonsilitis

SPERACLAV-1.2

INJECTIONS
1.2g

Composition

Amoxycillin 1000mg + Potassium Clavulanate 200mg + WFI

Indications & Uses

Community Acquired Pneumonia, Gynaecological Infections, Upper Respiratory Tract Infections, Skin and Soft Tissue Infections, Urinary Tract Infections, Acute Exacerbations of Chronic Bronchitis

SPERBACT-SB 1.5

INJECTIONS
1.5g

Composition

Ceftriaxone 1000mg + Sulbactam 500mg + WFI

Indications & Uses

Gynaecological Infections, Lower Respiratory Tract Infections, Intra-abdominal Infections with Aerobic Organisms, Surgical Prophylaxis

SPERBACT-TZ 1.125

INJECTIONS
1.125gm

Composition

Ceftriaxone 1000mg + Tazobactam 500 mg + WFI

Indications & Uses

Bone & Joint Infections, Intra-abdominal Infections, Bacterial Meningitis, Pre-operative Surgical Prophylaxis

SPERLIV

INJECTIONS
1gm

Composition

Meropenem 1gm + WFI

Indications & Uses

Complicated Intra-abdominal Infection (cIAI), Complicated Skin & Skin Structure Infections (cSSSI), Bacterial Meningitis, Noscocomial Pneumonia

SPIPER-Z 4.5

INJECTIONS
4.5gm

Composition

Piperacillin 4000mg + Tazobactam 500mg + WFI

Indications & Uses

Intra-abdominal Infections, Complicated Urinary Tract Infections, Febrile Neutropenia, Lower Respiratory Tract Infections

SPERBACT-C

INJECTIONS
1.5gm

Composition

Cefaperazone 1000mg + Sulbactam 500mg +WFI

Indications & Uses

Peritonitis, Bacterial Simusitis, Cholecystitis, Meningitis

BROXTAR

SYRUP
100ml

Composition

Ambroxol HCI 15mg + Guaiphensin 50mg + Terbutaline Sulphate 1.5mg + Mentholated Base/5ml

Indications & Uses

Bronchitis, Productive Cough, Emphysema, Bronchial Asthma

BROXTAR-BR

SYRUP

100ml

Composition

Terbutaline Sulphate 1.25mg + Bromhexine HCI 4mg + Guaiphenesin 50mg + Methalated Base/5ml

Indications & Uses

Acute Cough, Abnormal Mucus Secretion, Productive Cough

THROMET

SYRUP
100ml

Composition

Dextromethorphan Hydrobromide 10mg + Phenylpherine 5 mg + Cetrizine 5mg + Mentholated Base/5ml

Indications & Uses

Commom Cold and Flu, Nasal Congestion, Sore Throat

IRIDIE-M

TABLETS (Alu-Alu)
20X10

Composition

Levocetirizine 5mg + Montelukast 10mg

Indications & Uses

Allergic Rhinitis, Nasal Congestion, Asthma

IRIDIE

TABLETS (Alu-Alu)
20X11

Composition

Levocetirizine 5mg

Indications & Uses

Chronic Idiopathic Urticaria (CIU), Seasonal Allergic Rhinitis (SAR), Perennial Allergic Rhinitis (PAR)

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