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| Dir : //home/trave494/eastfin/wp-content/plugins/better-search-replace/includes/class-bsr-ajax.php |
<?php
/**
* AJAX-specific functionality for the plugin.
*
* @link https://bettersearchreplace.com
* @since 1.2
*
* @package Better_Search_Replace
* @subpackage Better_Search_Replace/includes
*/
// Prevent direct access.
if ( ! defined( 'BSR_PATH' ) ) exit;
class BSR_AJAX {
/**
* Initiate our custom ajax handlers.
* @access public
*/
public function init() {
add_action( 'init', array( $this, 'define_ajax' ), 1 );
add_action( 'init', array( $this, 'do_bsr_ajax' ), 2 );
$this->add_ajax_actions();
}
/**
* Gets our custom endpoint.
* @access public
* @return string
*/
public static function get_endpoint() {
return esc_url_raw( get_admin_url() . 'tools.php?page=better-search-replace&bsr-ajax=' );
}
/**
* Set BSR AJAX constant and headers.
* @access public
*/
public function define_ajax() {
if ( isset( $_GET['bsr-ajax'] ) && ! empty( $_GET['bsr-ajax'] ) ) {
// Define the WordPress "DOING_AJAX" constant.
if ( ! defined( 'DOING_AJAX' ) ) {
define( 'DOING_AJAX', true );
}
// Prevent notices from breaking AJAX functionality.
if ( ! WP_DEBUG || ( WP_DEBUG && ! WP_DEBUG_DISPLAY ) ) {
@ini_set( 'display_errors', 0 );
}
// Send the headers.
send_origin_headers();
@header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
@header( 'X-Robots-Tag: noindex' );
send_nosniff_header();
nocache_headers();
}
}
/**
* Check if we're doing AJAX and fire the related action.
* @access public
*/
public function do_bsr_ajax() {
global $wp_query;
if ( isset( $_GET['bsr-ajax'] ) && ! empty( $_GET['bsr-ajax'] ) ) {
$wp_query->set( 'bsr-ajax', sanitize_text_field( $_GET['bsr-ajax'] ) );
}
if ( $action = $wp_query->get( 'bsr-ajax' ) ) {
do_action( 'bsr_ajax_' . sanitize_text_field( $action ) );
die();
}
}
/**
* Adds any AJAX-related actions.
* @access public
*/
public function add_ajax_actions() {
$actions = array(
'process_search_replace',
);
foreach ( $actions as $action ) {
add_action( 'bsr_ajax_' . $action, array( $this, $action ) );
}
}
/**
* Processes the search/replace form submitted by the user.
* @access public
*/
public function process_search_replace() {
// Bail if not authorized.
if ( ! check_admin_referer( 'bsr_ajax_nonce', 'bsr_ajax_nonce' ) ) {
return;
}
$args = array();
if ( isset( $_POST['bsr_data'] ) ) {
parse_str( $_POST['bsr_data'], $args );
}
// Initialize the DB class.
$db = new BSR_DB();
$step = isset( $_POST['bsr_step' ] ) ? absint( $_POST['bsr_step'] ) : 0;
$page = isset( $_POST['bsr_page'] ) ? absint( $_POST['bsr_page'] ) : 0;
// Build the arguements for this run.
$args = array(
'select_tables' => isset( $args['select_tables'] ) ? $args['select_tables'] : array(),
'case_insensitive' => isset( $args['case_insensitive'] ) ? $args['case_insensitive'] : 'off',
'replace_guids' => isset( $args['replace_guids'] ) ? $args['replace_guids'] : 'off',
'dry_run' => isset( $args['dry_run'] ) ? $args['dry_run'] : 'off',
'search_for' => isset( $args['search_for'] ) ? stripslashes( $args['search_for'] ) : '',
'replace_with' => isset( $args['replace_with'] ) ? stripslashes( $args['replace_with'] ) : '',
'completed_pages' => isset( $args['completed_pages'] ) ? absint( $args['completed_pages'] ) : 0,
);
$args['total_pages'] = isset( $args['total_pages'] ) ? absint( $args['total_pages'] ) : $db->get_total_pages( $args['select_tables'] );
// Any operations that should only be performed at the beginning.
if ( $step === 0 && $page === 0 ) {
// Clear the results of the last run.
delete_transient( 'bsr_results' );
}
// Start processing data.
if ( isset( $args['select_tables'][$step] ) ) {
$result = $db->srdb( $args['select_tables'][$step], $page, $args );
$this->append_report( $args['select_tables'][$step], $result['table_report'], $args );
if ( false === $result['table_complete'] ) {
$page++;
} else {
$step++;
$page = 0;
}
// Check if isset() again as the step may have changed since last check.
if ( isset( $args['select_tables'][$step] ) ) {
$message = sprintf(
__( 'Processing table %d of %d: %s', 'better-search-replace' ),
$step + 1,
count( $args['select_tables'] ),
esc_html( $args['select_tables'][$step] )
);
}
$args['completed_pages']++;
$percentage = $args['completed_pages'] / $args['total_pages'] * 100 . '%';
} else {
$db->maybe_update_site_url();
$step = 'done';
$percentage = '100%';
}
// Store results in an array.
$result = array(
'step' => $step,
'page' => $page,
'percentage' => $percentage,
'url' => get_admin_url() . 'tools.php?page=better-search-replace&tab=bsr_search_replace&result=true',
'bsr_data' => build_query( $args )
);
if ( isset( $message ) ) {
$result['message'] = $message;
}
// Send output as JSON for processing via AJAX.
echo json_encode( $result );
exit;
}
/**
* Helper function for assembling the BSR Results.
* @access public
* @param string $table The name of the table to append to.
* @param array $report The report for that table.
* @param array $args An array of arguements used for this run.
* @return boolean
*/
public function append_report( $table, $report, $args ) {
// Bail if not authorized.
if ( ! check_admin_referer( 'bsr_ajax_nonce', 'bsr_ajax_nonce' ) ) {
return;
}
// Retrieve the existing transient.
$results = get_transient( 'bsr_results' ) ? get_transient( 'bsr_results') : array();
// Grab any values from the run args.
$results['search_for'] = isset( $args['search_for'] ) ? $args['search_for'] : '';
$results['replace_with'] = isset( $args['replace_with'] ) ? $args['replace_with'] : '';
$results['dry_run'] = isset( $args['dry_run'] ) ? $args['dry_run'] : 'off';
$results['case_insensitive'] = isset( $args['case_insensitive'] ) ? $args['case_insensitive'] : 'off';
$results['replace_guids'] = isset( $args['replace_guids'] ) ? $args['replace_guids'] : 'off';
// Sum the values of the new and existing reports.
$results['change'] = isset( $results['change'] ) ? $results['change'] + $report['change'] : $report['change'];
$results['updates'] = isset( $results['updates'] ) ? $results['updates'] + $report['updates'] : $report['updates'];
// Append the table report, or create a new one if necessary.
if ( isset( $results['table_reports'] ) && isset( $results['table_reports'][$table] ) ) {
$results['table_reports'][$table]['change'] = $results['table_reports'][$table]['change'] + $report['change'];
$results['table_reports'][$table]['updates'] = $results['table_reports'][$table]['updates'] + $report['updates'];
$results['table_reports'][$table]['end'] = $report['end'];
} else {
$results['table_reports'][$table] = $report;
}
// Count the number of tables.
$results['tables'] = count( $results['table_reports'] );
// Update the transient.
if ( ! set_transient( 'bsr_results', $results, DAY_IN_SECONDS ) ) {
return false;
}
return true;
}
}
$bsr_ajax = new BSR_AJAX;
$bsr_ajax->init();