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| Dir : /home/trave494/bilosproperties.com/travel/wp-content/plugins/heartbeat-control/Imagify_Partner.php |
<?php
/**
* Tool allowing 3rd party WordPress plugins to handle partnership with Imagify.
*
* @package wp-media/wp-imagify-partner
*/
namespace Heartbeat_Control;
defined( 'ABSPATH' ) || die( 'Cheatin\' uh?' );
/**
* Class allowing to download, install, and activate Imagify plugin.
*
* @author Grégory Viguier
*/
class Imagify_Partner {
/**
* Class version.
*
* @var string
*/
const VERSION = '1.0';
/**
* Name of the option that stores the partner identifier.
*
* @var string
*/
const OPTION_NAME = 'imagifyp_id';
/**
* Name of the transient that stores the error messages.
*
* @var string
*/
const ERROR_TRANSIENT_NAME = 'imagifyp_error';
/**
* Name of the URL argument used on success.
*
* @var string
*/
const SUCCESS_ARG = 'imp-success';
/**
* Name of the URL argument used to display an error notice.
*
* @var string
*/
const ERROR_ARG = 'imp-error';
/**
* ID of the nonce used to install Imagify.
*
* @var string
*/
const NONCE_NAME = 'install_imagify_from_partner';
/**
* Message used as fallback in get_message().
*
* @var string
*/
const FALLBACK_MESSAGE = 'Unknown message';
/**
* Partner identifier.
*
* @var string
* @access protected
*/
protected $partner;
/** ----------------------------------------------------------------------------------------- */
/** INSTANCE, INIT ========================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Class constructor: sanitize and set the partner identifier.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @param string $partner Partner identifier.
*/
public function __construct( $partner ) {
$this->partner = self::sanitize_partner( $partner );
}
/**
* Class init.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*/
public function init() {
if ( ! $this->get_partner() ) {
return;
}
if ( ! is_admin() ) {
return;
}
if ( ! self::has_imagify_api_key() ) {
add_action( 'wp_ajax_' . $this->get_post_action(), array( $this, 'post_callback' ) );
add_action( 'admin_post_' . $this->get_post_action(), array( $this, 'post_callback' ) );
}
if ( self::is_success() || self::is_error() ) {
add_action( 'all_admin_notices', array( __CLASS__, 'error_notice' ) );
add_filter( 'removable_query_args', array( __CLASS__, 'add_query_args' ) );
}
}
/** ----------------------------------------------------------------------------------------- */
/** MAIN PUBLIC TOOLS ======================================================================= */
/** ----------------------------------------------------------------------------------------- */
/**
* Tell if Imagify's API key is set.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return bool
*/
public static function has_imagify_api_key() {
static $has;
if ( isset( $has ) ) {
return $has;
}
if ( function_exists( 'get_imagify_option' ) ) {
// Imagify is already installed and activated.
$has = (bool) get_imagify_option( 'api_key' );
return $has;
}
if ( defined( 'IMAGIFY_API_KEY' ) && IMAGIFY_API_KEY ) {
// It's defined in wp-config.php.
$has = true;
return $has;
}
if ( ! is_multisite() ) {
// Monosite: grab the value from the options table.
$options = get_option( 'imagify_settings' );
$has = ! empty( $options['api_key'] );
return $has;
}
$options = get_site_option( 'imagify_settings' );
if ( ! empty( $options['api_key'] ) ) {
// Multisite: Imagify was activated in the network.
$has = true;
return $has;
}
// Multisite: Imagify was activated for this site.
$options = get_option( 'imagify_settings' );
$has = ! empty( $options['api_key'] );
return $has;
}
/**
* Tell if Imagify is activated.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return bool
*/
public static function is_imagify_activated() {
return defined( 'IMAGIFY_VERSION' );
}
/**
* Tell if Imagify is installed.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return bool
*/
public static function is_imagify_installed() {
if ( self::is_imagify_activated() ) {
return true;
}
return file_exists( self::get_imagify_path() );
}
/**
* Tell if Imagify has been successfully installed.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return bool
*/
public static function is_success() {
return ! empty( $_GET[ self::SUCCESS_ARG ] ); // WPCS: CSRF ok.
}
/**
* Tell if Imagify install failed.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return bool
*/
public static function is_error() {
return ! empty( $_GET[ self::ERROR_ARG ] ); // WPCS: CSRF ok.
}
/**
* Get the URL to install and activate Imagify.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return string The URL.
*/
public function get_post_install_url() {
if ( ! $this->get_partner() || ! self::current_user_can() ) {
return '';
}
$install_url = admin_url( 'admin-post.php' );
$args = array(
'action' => $this->get_post_action(),
'_wpnonce' => wp_create_nonce( self::NONCE_NAME ),
// To make sure we have a referrer.
'_wp_http_referer' => rawurlencode( self::get_current_url() ),
);
return add_query_arg( $args, $install_url );
}
/**
* Get the partner identifier.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return string Partner identifier.
*/
public function get_partner() {
return $this->partner;
}
/** ----------------------------------------------------------------------------------------- */
/** HOOKS =================================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Post callback to install and activate Imagify.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*/
public function post_callback() {
if ( ! check_ajax_referer( self::NONCE_NAME, '_wpnonce', false ) ) {
$this->error_die();
}
if ( ! self::current_user_can() ) {
$this->error_die( 'cant_install' );
}
/**
* Store the partner ID before doing anything.
* If something goes wrong during the plugin installation, the partner ID will still be saved.
*/
self::store_partner( $this->get_partner() );
// Install Imagify.
$result = $this->install_imagify();
if ( is_wp_error( $result ) ) {
// Install failed.
if ( self::doing_ajax() ) {
$this->send_json_error( $result );
}
// Redirect to the plugins search page.
$this->error_redirect( $result );
}
// Activate Imagify.
$result = $this->activate_imagify();
if ( is_wp_error( $result ) ) {
// Activation failed.
if ( self::doing_ajax() ) {
$this->send_json_error( $result );
}
// Redirect to the plugins search page.
$this->error_redirect( $result );
}
if ( self::doing_ajax() ) {
$this->send_json_success();
}
// Redirect to the partner's page.
$this->success_redirect();
}
/**
* Maybe print an error notice on the plugins install page.
* We add the query argument we use to display an error message.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*/
public static function error_notice() {
if ( ! self::is_error() ) {
// No URL argument.
return;
}
$screen = get_current_screen();
if ( ! $screen || 'plugin-install' !== $screen->id ) {
// Not the good page.
return;
}
$partner = self::get_stored_partner();
if ( ! $partner ) {
// No partner stored in the database.
return;
}
$errors = get_transient( self::ERROR_TRANSIENT_NAME );
if ( ! $errors ) {
// No error messages.
return;
}
if ( ! is_wp_error( $errors ) ) {
// Invalid value.
delete_transient( self::ERROR_TRANSIENT_NAME );
return;
}
$errors = $errors->get_error_messages();
if ( $errors ) {
foreach ( $errors as $i => $error ) {
if ( self::FALLBACK_MESSAGE === $error ) {
unset( $errors[ $i ] );
}
}
}
if ( ! $errors ) {
// Add a generic message.
$instance = new self( $partner );
$errors[] = $instance->get_message( 'process_failed' );
}
echo '<div class="error notice is-dismissible"><p>' . implode( '<br/>', $errors ) . '</p></div>';
}
/**
* Filter the list of query variables to remove from admin area URLs.
* We add the query arguments we use on success or error.
*
* @since 1.0
* @access public
* @see wp_removable_query_args()
* @author Grégory Viguier
*
* @param array $removable_query_args An array of query variables to remove from a URL.
* @return array
*/
public static function add_query_args( $removable_query_args ) {
$removable_query_args[] = self::SUCCESS_ARG;
$removable_query_args[] = self::ERROR_ARG;
return $removable_query_args;
}
/** ----------------------------------------------------------------------------------------- */
/** INFOS, INSTALL, ACTIVATE ================================================================ */
/** ----------------------------------------------------------------------------------------- */
/**
* Get Imagify infos from the repository.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*
* @return object The plugin infos on success. A WP_Error object on failure.
*/
protected function get_imagify_infos() {
static $infos;
if ( isset( $infos ) ) {
return $infos;
}
require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
// Get Plugin Infos.
$infos = plugins_api( 'plugin_information', array(
'slug' => 'imagify',
'fields' => array(
'short_description' => false,
'sections' => false,
'rating' => false,
'ratings' => false,
'downloaded' => false,
'last_updated' => false,
'added' => false,
'tags' => false,
'homepage' => false,
'donate_link' => false,
),
) );
return $infos;
}
/**
* Get the URL to download Imagify.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*
* @return string The URL. An empty string on error.
*/
protected function get_download_url() {
$infos = $this->get_imagify_infos();
return ! empty( $infos->download_link ) ? $infos->download_link : '';
}
/**
* Install Imagify.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*
* @return object|null A WP_Object on failure, null on success.
*/
protected function install_imagify() {
if ( self::is_imagify_installed() ) {
// Imagify is already installed.
return null;
}
$infos = $this->get_imagify_infos();
if ( is_wp_error( $infos ) ) {
return $infos;
}
ob_start();
@set_time_limit( 0 );
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
$upgrader = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
$result = $upgrader->install( $this->get_download_url() );
ob_end_clean();
if ( is_wp_error( $result ) ) {
return $result;
}
clearstatcache();
if ( ! self::is_imagify_installed() ) {
return new WP_Error( 'process_failed', $this->get_message( 'process_failed' ) );
}
return null;
}
/**
* Activate Imagify.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*
* @return object|null A WP_Object on failure, null on success.
*/
protected function activate_imagify() {
return activate_plugin( self::get_imagify_path(), false, is_multisite() );
}
/**
* Get a message used by the class.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*
* @param string $message_id A message ID.
* @return string A message.
*/
protected function get_message( $message_id ) {
$messages = array(
'success' => __( 'Plugin installed successfully.' ),
'cant_install' => __( 'Sorry, you are not allowed to install plugins on this site.' ),
'not_allowed' => __( 'Sorry, you are not allowed to do that.' ),
'process_failed' => __( 'Plugin install failed.' ),
'go_back' => __( 'Go back' ),
);
/**
* Filter messages used everywhere in the class.
* Default messages are already translated by WordPress.
*
* @since 1.0
* @author Grégory Viguier
*
* @param array $messages Messages.
*/
$messages = apply_filters( 'imagify_partner_messages_' . $this->get_partner(), $messages );
return ! empty( $messages[ $message_id ] ) ? $messages[ $message_id ] : self::FALLBACK_MESSAGE;
}
/** ----------------------------------------------------------------------------------------- */
/** HANDLE SUCCESS ========================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Send a JSON response back to an Ajax request, indicating success.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*/
protected function send_json_success() {
delete_transient( self::ERROR_TRANSIENT_NAME );
wp_send_json_success( $this->get_message( 'success' ) );
}
/**
* Redirect the user after Imagify is successfully installed and activated.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*/
protected function success_redirect() {
delete_transient( self::ERROR_TRANSIENT_NAME );
wp_safe_redirect( esc_url_raw( $this->get_success_redirection_url() ) );
die();
}
/**
* Get the URL to redirect the user to after Imagify is successfully installed and activated: the referrer (partner's page URL).
* A "success" argument is added.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return string
*/
public function get_success_redirection_url() {
$success_url = add_query_arg( array(
self::SUCCESS_ARG => 1,
self::ERROR_ARG => false,
), wp_get_referer() );
/**
* Filter the URL to redirect the user to after Imagify is successfully installed and activated.
* Default is the partner's page URL.
*
* @since 1.0
* @author Grégory Viguier
*
* @param string $success_url The URL.
*/
return apply_filters( 'imagify_partner_success_url_' . $this->get_partner(), $success_url );
}
/** ----------------------------------------------------------------------------------------- */
/** HANDLE ERROR ============================================================================ */
/** ----------------------------------------------------------------------------------------- */
/**
* Die on error.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*
* @param string $message_id An error message ID.
*/
protected function error_die( $message_id = 'not_allowed' ) {
$message = $this->get_message( $message_id );
if ( self::doing_ajax() ) {
$message = new WP_Error( $message_id, $message );
$this->send_json_error( $message );
}
if ( wp_get_referer() ) {
$message .= '</p><p>';
$message .= sprintf( '<a href="%s">%s</a>',
esc_url( remove_query_arg( 'updated', wp_get_referer() ) ),
$this->get_message( 'go_back' )
);
}
wp_die( $message, '', 403 );
}
/**
* Send a JSON response back to an Ajax request, indicating failure.
* This is a backward compatible version of wp_send_json_error(): WP_Error object handling was introduced in WP 4.1.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*
* @param mixed $data Data to encode as JSON, then print and die.
*/
protected function send_json_error( $data ) {
if ( is_wp_error( $data ) ) {
$result = array();
foreach ( $data->errors as $code => $messages ) {
foreach ( $messages as $message ) {
$result[] = array(
'code' => $code,
'message' => $message,
);
}
}
} else {
$result = $data;
}
wp_send_json_error( $result );
}
/**
* Store an error message in a transient then redirect the user.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*
* @param object $error A WP_Error object.
*/
protected function error_redirect( $error ) {
set_transient( self::ERROR_TRANSIENT_NAME, $error, 30 );
wp_safe_redirect( esc_url_raw( $this->get_error_redirection_url() ) );
die();
}
/**
* Get the URL to redirect the user to after Imagify installation failure: the plugins search page URL, searching for Imagify.
* An "error" argument is added, to display an error notice.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return string
*/
public function get_error_redirection_url() {
$error_url = 'plugin-install.php?s=imagify&tab=search&type=term&' . self::ERROR_ARG . '=1';
$error_url = is_multisite() ? network_admin_url( $error_url ) : admin_url( $error_url );
/**
* Filter the URL to redirect the user to after Imagify installation failure.
* Default is the plugins search page URL.
*
* @since 1.0
* @author Grégory Viguier
*
* @param string $error_url The URL.
*/
return apply_filters( 'imagify_partner_error_url_' . $this->get_partner(), $error_url );
}
/** ----------------------------------------------------------------------------------------- */
/** STORING THE PARTNER ID IN DATABASE ====================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Get the partner identifier stored in the Database.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return string|bool The partner identifier, or false if none is stored.
*/
public static function get_stored_partner() {
$partner = get_option( self::OPTION_NAME );
if ( $partner && is_string( $partner ) ) {
$partner = self::sanitize_partner( $partner );
}
return $partner ? $partner : false;
}
/**
* Delete the partner identifier stored in the Database.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*/
public static function delete_stored_partner() {
if ( false !== get_option( self::OPTION_NAME ) ) {
delete_option( self::OPTION_NAME );
}
}
/**
* Store the partner identifier in Database.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*
* @param string $partner The partner identifier to store.
*/
protected static function store_partner( $partner ) {
if ( false === get_option( self::OPTION_NAME ) ) {
add_option( self::OPTION_NAME, $partner );
} else {
update_option( self::OPTION_NAME, $partner );
}
}
/**
* Sanitize a partner ID.
*
* @since 1.0
* @access protected
* @author Grégory Viguier
*
* @param string $partner Partner identifier.
* @return string
*/
protected static function sanitize_partner( $partner ) {
return preg_replace( '@[^a-z0-9_-]@', '', strtolower( (string) $partner ) );
}
/** ----------------------------------------------------------------------------------------- */
/** VARIOUS TOOLS =========================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Get the action.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return string Partner identifier.
*/
public function get_post_action() {
return 'install_imagify_from_partner_' . $this->get_partner();
}
/**
* Determines whether the current request is a WordPress Ajax request.
* This is a clone of wp_doing_ajax(), intriduced in WP 4.7.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return bool True if it's a WordPress Ajax request, false otherwise.
*/
public static function doing_ajax() {
/**
* Filters whether the current request is a WordPress Ajax request.
*
* @since 1.0
*
* @param bool $wp_doing_ajax Whether the current request is a WordPress Ajax request.
*/
return apply_filters( 'wp_doing_ajax', defined( 'DOING_AJAX' ) && DOING_AJAX );
}
/**
* Get Imagify's file path.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return string The file path.
*/
public static function get_imagify_path() {
if ( defined( 'IMAGIFY_FILE' ) ) {
return IMAGIFY_FILE;
}
return WP_PLUGIN_DIR . '/imagify/imagify.php';
}
/**
* Tell if the current user can install and activate Imagify.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return bool
*/
public static function current_user_can() {
static $can;
if ( ! isset( $can ) ) {
$can = is_multisite() ? 'manage_network_plugins' : 'install_plugins';
$can = current_user_can( $can );
}
return $can;
}
/**
* Get the current URL.
*
* @since 1.0
* @access public
* @author Grégory Viguier
*
* @return string
*/
public static function get_current_url() {
$port = (int) $_SERVER['SERVER_PORT'];
$port = 80 !== $port && 443 !== $port ? ( ':' . $port ) : '';
$url = ! empty( $GLOBALS['HTTP_SERVER_VARS']['REQUEST_URI'] ) ? $GLOBALS['HTTP_SERVER_VARS']['REQUEST_URI'] : ( ! empty( $_SERVER['REQUEST_URI'] ) ? $_SERVER['REQUEST_URI'] : '' );
return 'http' . ( is_ssl() ? 's' : '' ) . '://' . $_SERVER['HTTP_HOST'] . $port . $url;
}
}