Current File : //proc/19851/cwd/wp-content/plugins/event-tickets/common/src/Tribe/PUE/Update_Prevention.php
<?php
namespace Tribe\PUE;
use WP_Error;
use Tribe__Dependency as Dependency;
/**
* Class Update_Prevention engine for a plugin with invalid/empty keys with
* unmet dependencies on Core or Event Tickets.
*
* @package Tribe\PUE;
*/
class Update_Prevention {
/**
* Fetches the dependencies based on a regular expression search of the Plugin_Register.php
* file that we use to prevent problems with mismatched version on our plugins.
*
* @since 4.9.12
*
* @param string $content Contents of the file in question.
*
* @return array Named array with [ class_name => version ] or empty if it didn't find it.
*/
public function get_dependencies( $content ) {
$regex = "/'(?<plugin>[^']*)'(?:[^']*)'(?<version>[^']*)',/";
if ( ! preg_match_all( $regex, $content, $matches ) ) {
return [];
}
$dependencies = array_combine( $matches['plugin'], $matches['version'] );
return $dependencies;
}
/**
* Checks for the list of constants associate with plugin to make sure we are dealing
* with a plugin owned by The Events Calendar.
*
* @since 4.9.12
*
* @param string $plugin Plugin file partial path, folder and main php file.
*
* @return bool
*/
public function is_tribe_plugin( $plugin ) {
$path_constants_list = [
// The Events Calendar
'TRIBE_EVENTS_FILE',
// Events Pro
'EVENTS_CALENDAR_PRO_FILE',
// Filter bar
'TRIBE_EVENTS_FILTERBAR_FILE',
// Eventbrite Tickets
'EVENTBRITE_PLUGIN_FILE',
];
foreach ( $path_constants_list as $constant_name ) {
if ( ! defined( $constant_name ) ) {
continue;
}
if ( false === strpos( constant( $constant_name ), $plugin ) ) {
continue;
}
return true;
}
return false;
}
/**
* Filters the source file location for the upgrade package for the PUE Update_Prevention engine.
*
* @since 4.9.12
*
* @param string $source File source location.
* @param string $remote_source Remote file source location.
* @param WP_Upgrader $upgrader WP_Upgrader instance.
* @param array $extra Extra arguments passed to hooked filters.
*/
public function filter_upgrader_source_selection( $source, $remote_source, $upgrader, $extras ) {
if ( ! isset( $extras['plugin'] ) ) {
return $source;
}
$plugin = $extras['plugin'];
// Bail if we are not dealing with a plugin we own.
if ( ! $this->is_tribe_plugin( $plugin ) ) {
return $source;
}
$register_path = $source . '/src/Tribe/Plugin_Register.php';
// Bail when the Plugin Register file doesn't exist.
if ( ! file_exists( $register_path ) ) {
return $source;
}
$register_contents = file_get_contents( $register_path );
$dependencies = $this->get_dependencies( $register_contents );
$incompatible_plugins = [];
foreach ( $dependencies as $class_name => $required_version ) {
// Skip inactive plugin checks.
if ( ! class_exists( $class_name ) ) {
continue;
}
$constant_name = $class_name . '::VERSION';
// Skip if we can't find the version constant.
if ( ! defined( $constant_name ) ) {
continue;
}
$current_version = constant( $constant_name );
// Skip when the version is equal or higher than the required.
if ( version_compare( $current_version, $required_version, '>=' ) ) {
continue;
}
$pue = tribe( Dependency::class )->get_pue_from_class( $class_name );
$has_pue_notice = $pue ? tribe( 'pue.notices' )->has_notice( $pue->pue_install_key ) : false;
// Only throw warning for customers with notices of invalid/expired licenses.
if ( ! $has_pue_notice ) {
continue;
}
// Flag that we should prevent the Update
$incompatible_plugins[ $class_name ] = $required_version;
}
// Bail when there are no incompatible plugins.
if ( empty( $incompatible_plugins ) ) {
return $source;
}
/**
* Filter the if we should prevent the update.
*
* @since 4.9.12
*
* @param bool $should_revent Flag false to skip the prevention.
* @param array $incompatible_plugins Which plugins were incompatible with new version of the plugin.
* @param string $source File source location.
* @param string $remote_source Remote file source location.
* @param WP_Upgrader $upgrader WP_Upgrader instance.
* @param array $extra Extra arguments passed to hooked filters.
*/
$should_prevent_update = apply_filters(
'tribe_pue_should_prevent_update_without_license',
true,
$incompatible_plugins,
$source,
$remote_source,
$upgrader,
$extras
);
// Bail if the filter above returns anything but true.
if ( true !== $should_prevent_update ) {
return $source;
}
$full_plugin_path = $remote_source . '/' . $plugin;
$plugin_data = get_plugin_data( $full_plugin_path );
$plugins_classes = array_keys( $incompatible_plugins );
$plugins_list_html = tribe( 'pue.notices' )->get_formatted_plugin_names_from_classes( $plugins_classes );
$link_read_more = '<a href="http://evnt.is/1aev" target="_blank">' . esc_html__( 'Read more', 'tribe-common' ) . '.</a>';
$message = sprintf(
esc_html__( 'Your update failed due to an incompatibility between the version (%1$s) of the %2$s you tried to update to and the version of %3$s that you are using. %4$s', 'tribe-common' ),
esc_html( $plugin_data['Version'] ),
esc_html( $plugin_data['Name'] ),
$plugins_list_html,
$link_read_more
);
$error = new WP_Error(
'tribe-updater-failed-prevention',
$message,
[]
);
return $error;
}
}
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