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<?php

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/**

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* WPSEO plugin file.

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* @package WPSEO\Admin\Import

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/**

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* Class WPSEO_Import_Settings.

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* Class with functionality to import the Yoast SEO settings.

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class WPSEO_Import_Settings {

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/**

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* Nonce action key.

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* @var string

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public const NONCE_ACTION = 'wpseo-import-settings';

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/**

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* Holds the import status instance.

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* @var WPSEO_Import_Status

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public $status;

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/**

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* Holds the old WPSEO version.

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* @var string

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private $old_wpseo_version;

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/**

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* Class constructor.

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public function __construct() {

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$this->status = new WPSEO_Import_Status( 'import', false );

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}

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/**

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* Imports the data submitted by the user.

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* @return void

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public function import() {

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check_admin_referer( self::NONCE_ACTION );

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if ( ! WPSEO_Capability_Utils::current_user_can( 'wpseo_manage_options' ) ) {

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return;

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}

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if ( ! isset( $_POST['settings_import'] ) || ! is_string( $_POST['settings_import'] ) ) {

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return;

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}

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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: The raw content will be parsed afterwards.

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$content = wp_unslash( $_POST['settings_import'] );

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if ( empty( $content ) ) {

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return;

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}

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$this->parse_options( $content );

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}

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/**

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* Parse the options.

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* @param string $raw_options The content to parse.

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* @return void

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protected function parse_options( $raw_options ) {

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$options = parse_ini_string( $raw_options, true, INI_SCANNER_RAW );

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if ( is_array( $options ) && $options !== [] ) {

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$this->import_options( $options );

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return;

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}

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$this->status->set_msg( __( 'Settings could not be imported:', 'wordpress-seo' ) . ' ' . __( 'No settings found.', 'wordpress-seo' ) );

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}

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/**

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* Parse the option group and import it.

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* @param string $name Name string.

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* @param array $option_group Option group data.

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* @param array $options Options data.

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* @return void

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protected function parse_option_group( $name, $option_group, $options ) {

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// Make sure that the imported options are cleaned/converted on import.

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$option_instance = WPSEO_Options::get_option_instance( $name );

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if ( is_object( $option_instance ) && method_exists( $option_instance, 'import' ) ) {

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$option_instance->import( $option_group, $this->old_wpseo_version, $options );

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}

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}

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/**

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* Imports the options if found.

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* @param array $options The options parsed from the provided settings.

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* @return void

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protected function import_options( $options ) {

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if ( isset( $options['wpseo']['version'] ) && $options['wpseo']['version'] !== '' ) {

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$this->old_wpseo_version = $options['wpseo']['version'];

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}

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foreach ( $options as $name => $option_group ) {

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$this->parse_option_group( $name, $option_group, $options );

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}

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$this->status->set_msg( __( 'Settings successfully imported.', 'wordpress-seo' ) );

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$this->status->set_status( true );

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// Reset the cached option values.

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WPSEO_Options::clear_cache();

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}

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}

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