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<?php

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/**

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* Check condition and include plugin.php file

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if ( ! function_exists( 'is_plugin_active' ) ) {

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include_once( ABSPATH . 'wp-admin/includes/plugin.php' );

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}

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/**

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* Escape a WP_Error object for passing directly to wp_die().

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* The wp_die() function accepts an WP_Error object as the first parameter, but it

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* does not escape it\'s contents before printing it out to the user. By passing

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* the object through this function before giving it to wp_die(), the potential for

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* XSS should be avoided.

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* Example:

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* wp_die( my_prefix_escape_wp_error( $error ) );

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* @param WP_Error $error The error to escape.

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* @return WP_Error The escaped error.

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function ppw_escape_wp_error( $error ) {

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$code = $error->get_error_code();

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$error_data = $error->error_data;

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if ( isset( $error_data[ $code ]['title'] ) ) {

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$error_data[ $code ]['title'] = wp_kses(

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$error->error_data[ $code ]['title'],

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'escape_wp_error_title'

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);

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$error->error_data = $error_data;

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}

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$all_errors = $error->errors;

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foreach ( $all_errors as $code => $errors ) {

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foreach ( $errors as $key => $message ) {

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$all_errors[ $code ][ $key ] = wp_kses(

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$message,

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'escape_wp_error_message'

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);

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}

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}

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$error->errors = $all_errors;

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return $error;

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}

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/**

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* Check data before update setting

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* @param array $request Request data.

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* @param array $setting_keys Keys need to check.

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* @param bool $is_check_cookie Is check cookie.

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* @return bool

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function ppw_free_is_setting_data_invalid( $request, $setting_keys, $is_check_cookie = true ) {

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if ( ppw_free_is_setting_keys_and_nonce_invalid( $request, PPW_Constants::GENERAL_FORM_NONCE ) ) {

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return true;

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}

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$settings = $request['settings'];

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foreach ( $setting_keys as $key ) {

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if ( ! array_key_exists( $key, $settings ) ) {

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return true;

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}

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}

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if ( ! $is_check_cookie ) {

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return false;

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}

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// Check regular expression.

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return ppw_core_validate_cookie_expiry( $settings[ PPW_Constants::COOKIE_EXPIRED ] );

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}

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/**

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* Check data before update entire site settings

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* @param $request

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* @return bool

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function ppw_free_is_entire_site_settings_data_invalid( $request ) {

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return ppw_free_is_setting_keys_and_nonce_invalid( $request, PPW_Constants::ENTIRE_SITE_FORM_NONCE );

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}

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/**

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* @param $request

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* @param $nonce_key

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* @return bool

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function ppw_free_is_setting_keys_and_nonce_invalid( $request, $nonce_key ) {

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if ( ! array_key_exists( 'settings', $request ) ||

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! array_key_exists( 'security_check', $request ) ) {

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return true;

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}

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if ( ! wp_verify_nonce( $request['security_check'], $nonce_key ) ) {

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return true;

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}

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return false;

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}

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/**

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* Check error before create new password

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* @param $request

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* @param $setting_keys

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* @return bool

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function ppw_free_error_before_create_password( $request, $setting_keys ) {

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if ( ppw_free_is_setting_keys_and_nonce_invalid( $request, PPW_Constants::META_BOX_NONCE ) ) {

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return true;

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}

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$settings = $request["settings"];

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foreach ( $setting_keys as $key ) {

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if ( ! array_key_exists( $key, $settings ) ) {

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return true;

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}

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}

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return false;

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}

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/**

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* Validate password type is global

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* @param $new_global_passwords

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* @param $current_global_passwords

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* @param $current_roles_password

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function ppw_free_validate_password_type_global( $new_global_passwords, $current_global_passwords, $current_roles_password ) {

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if ( count( $new_global_passwords ) < 1 && empty( $current_global_passwords ) ) {

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wp_send_json(

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array(

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'is_error' => true,

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'message' => PPW_Constants::EMPTY_PASSWORD,

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400

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);

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wp_die();

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}

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$global_validate = ppw_free_check_duplicate_global_password( $new_global_passwords, $current_roles_password );

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if ( $global_validate ) {

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wp_send_json(

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array(

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'is_error' => true,

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'message' => PPW_Constants::DUPLICATE_PASSWORD,

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400

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);

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wp_die();

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}

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}

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/**

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* Check case duplicate password type is global

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* @param $new_global_passwords

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* @param $current_roles_password

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* @return bool

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function ppw_free_check_duplicate_global_password( $new_global_passwords, $current_roles_password ) {

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if ( empty( $current_roles_password ) ) {

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return false;

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}

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$password_duplicate = array_intersect( $new_global_passwords, array_values( $current_roles_password ) );

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return ! empty( $password_duplicate );

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}

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/**

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* Validate password type is role

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* @param $role_selected

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* @param $new_role_password

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* @param $current_global_passwords

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* @param $current_roles_password

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function ppw_free_validate_password_type_role( $role_selected, $new_role_password, $current_global_passwords, $current_roles_password ) {

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if ( '' === $new_role_password && ( ! isset( $current_roles_password[ $role_selected ] ) || '' === $current_roles_password[ $role_selected ] ) ) {

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wp_send_json(

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array(

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'is_error' => true,

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'message' => PPW_Constants::EMPTY_PASSWORD,

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400

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);

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wp_die();

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}

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$role_validate = ppw_free_check_duplicate_role_password( $new_role_password, $current_global_passwords );

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if ( $role_validate ) {

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wp_send_json(

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array(

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'is_error' => true,

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'message' => PPW_Constants::DUPLICATE_PASSWORD,

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400

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);

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wp_die();

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}

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}

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/**

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* Check case duplicate password type is role

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* @param $new_role_password

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* @param $current_global_passwords

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* @return bool

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function ppw_free_check_duplicate_role_password( $new_role_password, $current_global_passwords ) {

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if ( empty( $current_global_passwords ) ) {

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return false;

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}

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$new_role_password = wp_unslash( $new_role_password );

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return in_array( $new_role_password, $current_global_passwords );

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}

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/**

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* Get all page and post

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* @return array

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function ppw_free_get_all_page_post() {

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return array_merge( get_pages(), get_posts( array( 'post_status' => 'publish', 'numberposts' => - 1 ) ) );

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}

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/**

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* Helper to fix serialized data

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* TODO: write UT for this important function

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* @param $raw_data

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* @param $is_un_slashed

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* @return array

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function ppw_free_fix_serialize_data( $raw_data, $is_un_slashed = true ) {

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if ( ! $raw_data ) {

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return array();

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}

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if ( ! is_string( $raw_data ) ) {

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if ( is_array( $raw_data ) ) {

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return $raw_data;

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}

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return array();

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}

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$serialize_raw_data = @unserialize( $raw_data );

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if ( false === $serialize_raw_data ) {

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return $raw_data;

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}

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return $is_un_slashed ? wp_unslash( $serialize_raw_data ) : $serialize_raw_data;

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}

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/**

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* @param $cookie

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* @param $expiration

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* @return bool

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function ppw_free_bypass_cache_with_cookie_for_pro_version( $cookie, $expiration ) {

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if ( defined( 'COOKIEHASH' ) ) {

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$cookie_hash = preg_quote( constant( 'COOKIEHASH' ) );

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}

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setcookie( PPW_Constants::WP_POST_PASS . $cookie_hash, $cookie, $expiration, COOKIEPATH, COOKIE_DOMAIN );

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return true;

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}

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/**

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* Check custom login form is showing to avoid conflict with the_password_form default of WordPress.

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* - Check post type is default type ( post or page )

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* - Do not show login form product type because we handled it in PPW Pro version. ( woocommerce_before_single_product

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* hook )

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* - If Pro version is active then we check protection type in setting to show login form

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* @param string $post_type Post Type of Post.

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* @return bool True|False Is show login form.

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function ppw_is_post_type_selected_in_setting( $post_type ) {

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/**

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* Check default post type

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* Free & Pro version default: post and page type.

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if ( 'post' === $post_type || 'page' === $post_type ) {

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return true;

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}

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$is_handle_old_product_type = apply_filters( PPW_Constants::HOOK_HANDLE_BEFORE_RENDER_WOO_PRODUCT, 'product' === $post_type, $post_type );

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if ( $is_handle_old_product_type || ! class_exists( 'PPW_Pro_Constants' ) ) {

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return false;

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}

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$post_type_selected = ppw_core_get_setting_type_array( PPW_Pro_Constants::WPP_WHITELIST_COLUMN_PROTECTIONS );

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/**

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* Check post type in setting which user selected.

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return in_array( $post_type, $post_type_selected, true );

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}

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/**

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* Get post_id from referer url if Post data is not exist post_id.

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* @return int post_id Post ID, 0 if post id not exist.

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function ppw_get_post_id_from_request() {

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$_server = wp_unslash( $_SERVER );

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$_post = wp_unslash( $_POST ); // phpcs:ignore WordPress.Security.NonceVerification.Missing -- We no need to handle nonce verification for this function.

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if ( isset( $_post['post_id'] ) ) {

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return (int) wp_unslash( $_post['post_id'] );

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}

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/**

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* Make sure http referer on server.

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* Not make exception in url_to_postid.

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if ( ! isset( $_server['HTTP_REFERER'] ) ) {

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return 0;

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}

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// Get post id from referer url.

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return url_to_postid( $_server['HTTP_REFERER'] );

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}

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/**

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* WP introduced is_wp_version_compatible function from version 5.2.0 only.

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* (https://developer.wordpress.org/reference/functions/is_wp_version_compatible/)

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* Need to write the helper by our-self.

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* @param string $required Version to check.

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* @return bool

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function ppw_is_wp_version_compatible( $required ) {

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return empty( $required ) || version_compare( get_bloginfo( 'version' ), $required, '>=' );

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}

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/**

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* Get page title for home, category, tag or post

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* @return string

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function ppw_get_page_title() {

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$site_title = get_bloginfo( 'title' );

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$site_description = get_bloginfo( 'description' );

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$post_title = wp_title( '', false ); // Post title, category tile, tag title.

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$dash_score_site = '' === $site_title || '' === $site_description ? '' : ' – ';

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$dash_score_post = '' === $site_title || '' === $post_title ? '' : ' – ';

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return is_home() || is_front_page()

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? sprintf( '%1$s%2$s%3$s', $site_title, $dash_score_site, $site_description )

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: sprintf( '%1$s%2$s%3$s', $post_title, $dash_score_post, $site_title );

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}

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/**

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* Get post excerpt if post is protected via Settings.

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* @param WP_Post $post Post WordPress Object.

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* @param string $content Content of post.

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* @param bool $is_show_excerpt Is show excerpt.

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* TODO: Need to refactor logic for this function.

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* @return string

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function ppw_handle_protected_content( $post, $content, $is_show_excerpt ) {

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if ( $is_show_excerpt && $post->post_excerpt ) {

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$content = $post->post_excerpt . $content;

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}

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if ( ! is_singular() && ! preg_match( '/name=.+post_id/mi', $content ) ) {

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$content = '<em>[This is password-protected.]</em>';

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return apply_filters( 'the_ppw_password_message', $content );

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}

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return $content;

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}

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/**

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* Helper function to get Pro version.

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function ppw_get_pro_version() {

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if ( ! defined( 'PPW_PRO_VERSION' ) ) {

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return '';

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}

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return PPW_PRO_VERSION;

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}

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/**

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* Bypass function using to

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* - Display feed content when user turn on sitewide protection.

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* @return bool True is bypass sitewide.

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function ppw_free_has_bypass_sitewide_protection() {

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$has_bypass = defined( 'PPWP_SITEWIDE_FEED_DISPLAY' ) && PPWP_SITEWIDE_FEED_DISPLAY && is_feed();

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return apply_filters( 'ppwp_sitewide_has_bypass', $has_bypass );

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}

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/**

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* Bypass function using to

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* - Display feed content when post/page is protected by single protection.

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* @return bool True is bypass post_password_required.

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function ppw_free_has_bypass_single_protection() {

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$has_bypass = defined( 'PPWP_SINGLE_FEED_DISPLAY' ) && PPWP_SINGLE_FEED_DISPLAY && is_feed();

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return apply_filters( 'ppwp_single_has_bypass', $has_bypass );

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}

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/**

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* Has support PPWP shortcode for page builder.

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* @return bool

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function ppw_free_has_support_shortcode_page_builder() {

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// Have user turn on option.

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$enabled = ppw_core_get_setting_type_bool_by_option_name( PPW_Constants::USE_SHORTCODE_PAGE_BUILDER, PPW_Constants::SHORTCODE_OPTIONS );

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return apply_filters( 'ppwp_shortcode_enable_page_builder', $enabled );

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}

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/**

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* Checks the plaintext password against the encrypted Password.

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* @param string $password Plaintext user's password

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* @param string $hash Hash of the user's password to check against.

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* @return bool False, if the $password does not match the hashed password

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* @link https://developer.wordpress.org/reference/functions/wp_check_password/

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function ppw_free_check_password( $password, $hash ) {

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/* global $wp_hasher;

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// If the stored hash is longer than an MD5,

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// presume the new style phpass portable hash.

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if ( empty( $wp_hasher ) ) {

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require_once ABSPATH . WPINC . '/class-phpass.php';

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// By default, use the portable hash from phpass.

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$wp_hasher = new PasswordHash( 8, true );

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}

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return $wp_hasher->CheckPassword( $password, $hash );*/

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return wp_check_password( $password, $hash );

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}

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/**

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* Retrieve the shortcode matches for searching.

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* @param $content

[472] Fix | Delete

[473] Fix | Delete

* @return array The regular expression contains 6 different sub matches to help with parsing.

[474] Fix | Delete

* 1 - An extra [ to allow for escaping shortcodes with double [[]]

[475] Fix | Delete

* 2 – The shortcode name

[476] Fix | Delete

* 3 – The shortcode argument list

[477] Fix | Delete

* 4 – The self closing /

[478] Fix | Delete

* 5 – The content of a shortcode when it wraps some content.

[479] Fix | Delete

* 6 – An extra ] to allow for escaping shortcodes with double [[]]

[480] Fix | Delete

[481] Fix | Delete

function ppw_free_search_shortcode_content( $content ) {

[482] Fix | Delete

preg_match_all( '/' . get_shortcode_regex( array( 'ppwp' ) ) . '/', $content, $matches, PREG_SET_ORDER );

[483] Fix | Delete

[484] Fix | Delete

return $matches;

[485] Fix | Delete

}

[486] Fix | Delete

[487] Fix | Delete

function ppw_free_valid_pcp_password( $shortcode, $password ) {

[488] Fix | Delete

$default_args = array(

[489] Fix | Delete

'is_valid_password' => false,

[490] Fix | Delete

'atts' => array(),

[491] Fix | Delete

);

[492] Fix | Delete

// Check ppwp shortcode exist.

[493] Fix | Delete

if ( PPW_Constants::PPW_HOOK_SHORT_CODE_NAME !== $shortcode[2] || ! isset( $shortcode[3] ) ) {

[494] Fix | Delete

return $default_args;

[495] Fix | Delete

}

[496] Fix | Delete

// Parse shortcode string to array.

[497] Fix | Delete

$parsed_atts = shortcode_parse_atts( trim( $shortcode[3] ) );

[498] Fix | Delete

[499] Fix | Delete