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<?php

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/**

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* REST API endpoints for the replacement module.

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namespace StringLocator\Extension\SearchReplace\REST;

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use StringLocator\Base\REST;

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use StringLocator\Extension\SearchReplace\Replace\File;

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use StringLocator\Extension\SearchReplace\Replace\SQL;

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/**

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* Replace class.

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class Replace extends REST {

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protected $rest_base = 'replace';

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/**

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* Class constructor.

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public function __construct() {

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parent::__construct();

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}

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/**

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* Register custom REST API endpoints.

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* @return void

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public function register_rest_route() {

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register_rest_route(

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$this->namespace,

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$this->rest_base,

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array(

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'methods' => 'POST',

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'callback' => array( $this, 'replace' ),

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'permission_callback' => array( $this, 'permission_callback' ),

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)

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);

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}

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/**

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* REST API handler for the replacement endpoint.

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* @param \WP_REST_Request $request A dynamic request object depending on the data type being replaced.

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* @return \WP_Error|\WP_REST_Response

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public function replace( \WP_REST_Request $request ) {

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$replace_nonce = $request->get_param( 'replace_nonce' );

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if ( ! $replace_nonce || ! wp_verify_nonce( $replace_nonce, 'string-locator-replace' ) ) {

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return new \WP_Error( 'invalid_nonce', __( 'Invalid nonce.', 'string-locator' ), array( 'status' => 400 ) );

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}

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// Ensure the regex flag is a boolean value.

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$is_regex = $request->get_param( 'search_regex' );

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if ( ! is_bool( $is_regex ) ) {

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if ( 'false' === $is_regex ) {

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$is_regex = false;

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} else {

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$is_regex = true;

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}

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}

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$check_loopback = $request->get_param( 'replace_loopback' );

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if ( ! is_bool( $check_loopback ) ) {

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if ( 'false' === $check_loopback ) {

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$check_loopback = false;

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} else {

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$check_loopback = true;

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}

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}

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switch ( $request->get_param( 'type' ) ) {

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case 'sql':

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$handler = new SQL(

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$request->get_param( 'primaryColumn' ),

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$request->get_param( 'primaryKey' ),

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$request->get_param( 'primaryType' ),

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$request->get_param( 'tableName' ),

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$request->get_param( 'columnName' ),

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$request->get_param( 'search_string' ),

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$request->get_param( 'replace_string' ),

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$is_regex

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);

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break;

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case 'file':

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default:

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$handler = new File(

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$request->get_param( 'filename' ),

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$request->get_param( 'linenum' ),

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$request->get_param( 'search_string' ),

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$request->get_param( 'replace_string' ),

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$is_regex

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);

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}

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if ( ! $handler->validate() ) {

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return new \WP_Error( 'invalid_request', __( 'Invalid request', 'string-locator' ), array( 'status' => 400 ) );

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}

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$replace = $handler->replace();

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if ( is_wp_error( $replace ) ) {

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return $replace;

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}

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// Basic check to ensure the site is not broken after the modifications.

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if ( $check_loopback ) {

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$urls = array(

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get_site_url( null, '/' ),

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get_admin_url( null, '/' ),

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);

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foreach ( $urls as $url ) {

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$loopback = wp_remote_head( $url );

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if ( is_wp_error( $loopback ) ) {

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$handler->restore();

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return new \WP_Error(

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'loopback_failed',

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sprintf(

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// translators: 1: The URL being requested.

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__( 'The address `%s` could not be loaded after the edits were made, and the changes were therefore reverted.', 'string-locator' ),

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esc_html( $url )

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array(

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'status' => 400,

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)

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);

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}

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$response_code = wp_remote_retrieve_response_code( $loopback );

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if ( (int) substr( $response_code, 0, 1 ) > 3 ) {

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$handler->restore();

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return new \WP_Error(

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'loopback_failed',

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sprintf(

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// translators: 1: The URL being requested. 2: The HTTP status code returned.

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__( 'The address `%1$s` returned an error code (%2$s), and the changes were therefore reverted.', 'string-locator' ),

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esc_html( $url ),

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esc_html( $response_code )

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array(

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'status' => 400,

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)

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);

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}

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}

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}

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* A `true` response means no errors occurred, but also no replacements/updated were made.

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if ( true !== $replace ) {

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$string_preview = sprintf(

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'%s<div class="row-actions"><span class="edit"><a href="%s">%s</a></span></div>',

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$replace,

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$handler->get_edit_url(),

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esc_html__( 'Edit', 'string-locator' )

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);

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} else {

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$string_preview = true;

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}

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return new \WP_REST_Response(

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array(

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'success' => true,

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'data' => array(

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'replace_string' => $string_preview,

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200

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);

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}

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}

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new Replace();

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