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<?php
namespace WPMailSMTP;
use WPMailSMTP\Tasks\Meta;
use WPMailSMTP\Reports\Emails\Summary as SummaryReportEmail;
use WPMailSMTP\Tasks\Reports\SummaryEmailTask as SummaryReportEmailTask;
/**
* Class Migration helps migrate plugin options, DB tables and more.
*
* @since 1.0.0 Migrate all plugin options saved from separate WP options into one.
* @since 2.1.0 Major overhaul of this class to use DB migrations (or any other migrations per version).
* @since 3.0.0 Extends MigrationAbstract.
*/
class Migration extends MigrationAbstract {
/**
* Version of the latest migration.
*
* @since 2.1.0
*/
const VERSION = 4;
/**
* Option key where we save the current migration version.
*
* @since 2.1.0
*/
const OPTION_NAME = 'wp_mail_smtp_migration_version';
/**
* Current migration version, received from static::OPTION_NAME WP option.
*
* @since 2.1.0
*
* @var int
*/
protected $cur_ver;
/**
* All old values for pre 1.0 version of a plugin.
*
* @since 1.0.0
*
* @var array
*/
protected $old_keys = array(
'pepipost_ssl',
'pepipost_port',
'pepipost_pass',
'pepipost_user',
'smtp_pass',
'smtp_user',
'smtp_auth',
'smtp_ssl',
'smtp_port',
'smtp_host',
'mail_set_return_path',
'mailer',
'mail_from_name',
'mail_from',
'wp_mail_smtp_am_notifications_hidden',
);
/**
* Old values, taken from $old_keys options.
*
* @since 1.0.0
*
* @var array
*/
protected $old_values = array();
/**
* Converted array of data from previous option values.
*
* @since 1.0.0
*
* @var array
*/
protected $new_values = array();
/**
* Initialize migration.
*
* @since 3.0.0
*/
public function init() {
$this->maybe_migrate();
}
/**
* Static on purpose, to get current migration version without __construct() and validation.
*
* @since 2.1.0
*
* @return int
*/
public static function get_cur_version() {
return (int) get_option( static::OPTION_NAME, 0 );
}
/**
* Run the migration if needed.
*
* @since 2.1.0
*/
protected function maybe_migrate() {
if ( version_compare( $this->cur_ver, static::VERSION, '<' ) ) {
$this->run( static::VERSION );
}
}
/**
* Actual migration launcher.
*
* @since 2.1.0
*
* @param int $version The version of migration to run.
*/
protected function run( $version ) {
$function_version = (int) $version;
if ( method_exists( $this, 'migrate_to_' . $function_version ) ) {
$this->{'migrate_to_' . $function_version}();
} else {
if ( WP::in_wp_admin() ) {
$message = sprintf( /* translators: %1$s - WP Mail SMTP, %2$s - error message. */
esc_html__( 'There was an error while upgrading the database. Please contact %1$s support with this information: %2$s.', 'wp-mail-smtp' ),
'<strong>WP Mail SMTP</strong>',
'<code>migration from v' . static::get_cur_version() . ' to v' . static::VERSION . ' failed. Plugin version: v' . WPMS_PLUGIN_VER . '</code>'
);
WP::add_admin_notice( $message, WP::ADMIN_NOTICE_ERROR );
}
}
}
/**
* Update migration version in options table.
*
* @since 2.1.0
*
* @param int $version Migration version.
*/
protected function update_db_ver( $version = 0 ) {
if ( empty( $version ) ) {
$version = static::VERSION;
}
// Autoload it, because this value is checked all the time
// and no need to request it separately from all autoloaded options.
update_option( static::OPTION_NAME, $version, true );
}
/**
* Prevent running the same migration twice.
* Run migration only when required.
*
* @since 2.1.0
*
* @param string $version The version of migration to check for potential execution.
*/
protected function maybe_required_older_migrations( $version ) {
if ( version_compare( $this->cur_ver, $version, '<' ) ) {
$this->run( $version );
}
}
/**
* Migration from 0.x to 1.0.0.
* Move separate plugin WP options to one main plugin WP option setting.
*
* @since 2.1.0
*/
private function migrate_to_1() {
if ( $this->is_migrated() ) {
return;
}
$this->old_values = $this->get_old_values();
$this->new_values = $this->get_converted_options();
Options::init()->set( $this->new_values, true );
$this->update_db_ver( 1 );
}
/**
* Migration from 1.x to 2.1.0.
* Create Tasks\Meta table, if it does not exist.
*
* @since 2.1.0
*/
private function migrate_to_2() {
$this->maybe_required_older_migrations( 1 );
$meta = new Meta();
// Create the table if it doesn't exist.
if ( $meta && ! $meta->table_exists() ) {
$meta->create_table();
}
$this->update_db_ver( 2 );
}
/**
* Migration to 2.6.0.
* Cancel all recurring ActionScheduler tasks, so they will be newly created and no longer
* cause PHP fatal error on PHP 8 (because of the named parameter 'tasks_meta_id').
*
* @since 2.6.0
*/
private function migrate_to_3() {
$this->maybe_required_older_migrations( 2 );
$tasks = [];
$ut = new UsageTracking\UsageTracking();
if ( $ut->is_enabled() ) {
$tasks[] = '\WPMailSMTP\UsageTracking\SendUsageTask';
}
$recurring_tasks = apply_filters( 'wp_mail_smtp_migration_cancel_recurring_tasks', $tasks );
foreach ( $recurring_tasks as $task ) {
( new $task() )->cancel();
}
$this->update_db_ver( 3 );
}
/**
* Migration to 3.0.0.
* Disable summary report email for Lite users and Multisite installations after update.
* For new installations we have default values in Options::get_defaults.
*
* @since 3.0.0
*/
protected function migrate_to_4() {
$this->maybe_required_older_migrations( 3 );
$options = Options::init();
$value = $options->get( 'general', SummaryReportEmail::SETTINGS_SLUG );
// If option was not already set, then plugin was updated from lower version.
if (
( $value === '' || $value === null ) &&
( is_multisite() || ! wp_mail_smtp()->is_pro() )
) {
$data = [
'general' => [
SummaryReportEmail::SETTINGS_SLUG => true,
],
];
$options->set( $data, false, false );
// Just to be safe cancel summary report email task.
( new SummaryReportEmailTask() )->cancel();
}
$this->update_db_ver( 4 );
}
/**
* Whether we already migrated or not.
*
* @since 1.0.0
*
* @return bool
*/
protected function is_migrated() {
$is_migrated = false;
$new_values = get_option( Options::META_KEY, array() );
if ( ! empty( $new_values ) ) {
$is_migrated = true;
}
return $is_migrated;
}
/**
* Get all old values from DB.
*
* @since 1.0.0
*
* @return array
*/
protected function get_old_values() {
$old_values = array();
foreach ( $this->old_keys as $old_key ) {
$value = get_option( $old_key, '' );
if ( ! empty( $value ) ) {
$old_values[ $old_key ] = $value;
}
}
return $old_values;
}
/**
* Convert old values from key=>value to a multidimensional array of data.
*
* @since 1.0.0
*/
protected function get_converted_options() {
$converted = array();
foreach ( $this->old_keys as $old_key ) {
$old_value = isset( $this->old_values[ $old_key ] ) ? $this->old_values[ $old_key ] : '';
switch ( $old_key ) {
case 'pepipost_user':
case 'pepipost_pass':
case 'pepipost_port':
case 'pepipost_ssl':
// Do not migrate pepipost options if it's not activated at the moment.
if ( isset( $this->old_values['mailer'] ) && $this->old_values['mailer'] === 'pepipost' ) {
$shortcut = explode( '_', $old_key );
if ( $old_key === 'pepipost_ssl' ) {
$converted[ $shortcut[0] ]['encryption'] = $old_value;
} else {
$converted[ $shortcut[0] ][ $shortcut[1] ] = $old_value;
}
}
break;
case 'smtp_host':
case 'smtp_port':
case 'smtp_ssl':
case 'smtp_auth':
case 'smtp_user':
case 'smtp_pass':
$shortcut = explode( '_', $old_key );
if ( $old_key === 'smtp_ssl' ) {
$converted[ $shortcut[0] ]['encryption'] = $old_value;
} elseif ( $old_key === 'smtp_auth' ) {
$converted[ $shortcut[0] ][ $shortcut[1] ] = ( $old_value === 'true' ? 'yes' : 'no' );
} else {
$converted[ $shortcut[0] ][ $shortcut[1] ] = $old_value;
}
break;
case 'mail_from':
$converted['mail']['from_email'] = $old_value;
break;
case 'mail_from_name':
$converted['mail']['from_name'] = $old_value;
break;
case 'mail_set_return_path':
$converted['mail']['return_path'] = ( $old_value === 'true' );
break;
case 'mailer':
$converted['mail']['mailer'] = ! empty( $old_value ) ? $old_value : 'mail';
break;
case 'wp_mail_smtp_am_notifications_hidden':
$converted['general']['am_notifications_hidden'] = ( isset( $old_value ) && $old_value === 'true' );
break;
}
}
$converted = $this->get_converted_constants_options( $converted );
return $converted;
}
/**
* Some users use constants in wp-config.php to define values.
* We need to prioritize them and reapply data to options.
* Use only those that are actually defined.
*
* @since 1.0.0
*
* @param array $converted
*
* @return array
*/
protected function get_converted_constants_options( $converted ) {
// Are we configured via constants?
if ( ! defined( 'WPMS_ON' ) || ! WPMS_ON ) {
return $converted;
}
/*
* Mail settings.
*/
if ( defined( 'WPMS_MAIL_FROM' ) ) {
$converted['mail']['from_email'] = WPMS_MAIL_FROM;
}
if ( defined( 'WPMS_MAIL_FROM_NAME' ) ) {
$converted['mail']['from_name'] = WPMS_MAIL_FROM_NAME;
}
if ( defined( 'WPMS_MAILER' ) ) {
$converted['mail']['mailer'] = WPMS_MAILER;
}
if ( defined( 'WPMS_SET_RETURN_PATH' ) ) {
$converted['mail']['return_path'] = WPMS_SET_RETURN_PATH;
}
/*
* SMTP settings.
*/
if ( defined( 'WPMS_SMTP_HOST' ) ) {
$converted['smtp']['host'] = WPMS_SMTP_HOST;
}
if ( defined( 'WPMS_SMTP_PORT' ) ) {
$converted['smtp']['port'] = WPMS_SMTP_PORT;
}
if ( defined( 'WPMS_SSL' ) ) {
$converted['smtp']['ssl'] = WPMS_SSL;
}
if ( defined( 'WPMS_SMTP_AUTH' ) ) {
$converted['smtp']['auth'] = WPMS_SMTP_AUTH;
}
if ( defined( 'WPMS_SMTP_USER' ) ) {
$converted['smtp']['user'] = WPMS_SMTP_USER;
}
if ( defined( 'WPMS_SMTP_PASS' ) ) {
$converted['smtp']['pass'] = WPMS_SMTP_PASS;
}
return $converted;
}
/**
* Delete all old values that are stored separately each.
*
* @since 1.0.0
*/
protected function clean_deprecated_data() {
foreach ( $this->old_keys as $old_key ) {
delete_option( $old_key );
}
}
}