<?php

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/**

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* ProfilePress (wp-user-avatar) integration

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*

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* Malicious user detection techniques available:

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*

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* 1. Zero Spam honeypot field

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* 2. Checks blocked email domains

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* 3. Uses the David Walsh technique

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*

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* @package ZeroSpam

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*/

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namespace ZeroSpam\Modules\WPUserAvatar;

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// Security Note: Blocks direct access to the plugin PHP files.

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defined( 'ABSPATH' ) || die();

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/**

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* Module class

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*/

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class WPUserAvatar {

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/**

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* Constructor

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*/

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public function __construct() {

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add_action( 'init', array( $this, 'init' ) );

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}

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/**

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* Fires after WordPress has finished loading but before any headers are sent.

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*/

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public function init() {

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add_filter( 'zerospam_setting_sections', array( $this, 'sections' ) );

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add_filter( 'zerospam_settings', array( $this, 'settings' ), 10, 1 );

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add_filter( 'zerospam_types', array( $this, 'types' ), 10, 1 );

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if (

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'enabled' === \ZeroSpam\Core\Settings::get_settings( 'verify_wp_user_avatar_registrations' ) &&

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\ZeroSpam\Core\Access::process()

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) {

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// Can't currently support the David Walsh method due to how the plugin has been built, see https://wordpress.org/support/topic/zero-spam-support/#post-16762404

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// add_filter( 'ppress_registration_form', array( $this, 'add_scripts' ), 10, 1 );

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add_filter( 'ppress_form_field_structure', array( $this, 'add_honeypot_field' ), 10, 2 );

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add_filter( 'ppress_registration_validation', array( $this, 'process_registration_form' ), 10, 3 );

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}

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}

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/**

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* Add to the detection types array

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*

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* @param array $types Array of available detection types.

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*/

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public function types( $types ) {

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$types['wp_user_avatar'] = array(

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'label' => __( 'ProfilePress', 'zero-spam' ),

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'color' => '#326EE0',

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);

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return $types;

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}

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/**

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* Load the scripts

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*/

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/*

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public function add_scripts( $structure ) {

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// Only add scripts to the appropriate pages.

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if ( 'enabled' === \ZeroSpam\Core\Settings::get_settings( 'davidwalsh' ) ) {

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wp_enqueue_script( 'zerospam-davidwalsh' );

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wp_add_inline_script( 'zerospam-davidwalsh-wp-user-avatar', 'jQuery(".pp-registration-form-wrapper form").ZeroSpamDavidWalsh();' );

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}

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return $structure;

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}*/

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/**

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* Preprocess registrations

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*/

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public function process_registration_form( $reg_errors, $form_id, $user_data ) {

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$post = \ZeroSpam\Core\Utilities::sanitize_array( $_POST );

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// Get the error message.

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$error_message = \ZeroSpam\Core\Utilities::detection_message( 'wp_user_avatar_spam_message' );

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// Create the details array for logging & sharing data.

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$details = array(

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'reg_username' => ! empty( $post['reg_username'] ) ? $post['reg_username'] : false,

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'reg_email' => ! empty( $post['reg_email'] ) ? $post['reg_email'] : false,

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'reg_first_name' => ! empty( $post['reg_first_name'] ) ? $post['reg_first_name'] : false,

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'reg_last_name' => ! empty( $post['reg_last_name'] ) ? $post['reg_last_name'] : false,

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'signup_referrer_page' => ! empty( $post['signup_referrer_page'] ) ? $post['signup_referrer_page'] : false,

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'signup_form_id' => ! empty( $post['signup_form_id'] ) ? $post['signup_form_id'] : false,

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'pp_current_url' => ! empty( $post['pp_current_url'] ) ? $post['pp_current_url'] : false,

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'type' => 'wp_user_avatar',

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);

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// Begin validation checks.

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$validation_errors = array();

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// Check Zero Spam's honeypot field.

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$honeypot_field_name = \ZeroSpam\Core\Utilities::get_honeypot();

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// @codingStandardsIgnoreLine

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if ( isset( $post[ $honeypot_field_name ] ) && ! empty( $post[ $honeypot_field_name ] ) ) {

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// Failed the honeypot check.

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$details['failed'] = 'honeypot';

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$validation_errors[] = 'honeypot';

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}

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// Check email.

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if ( ! empty( $post['reg_email'] ) && ! \ZeroSpam\Core\Utilities::is_email( $post['reg_email'] ) ) {

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$validation_errors[] = 'invalid_email';

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}

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// Check blocked email domains.

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if (

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! empty( $post['reg_email'] ) &&

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\ZeroSpam\Core\Utilities::is_email_domain_blocked( $post['reg_email'] )

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) {

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// Email domain has been blocked.

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$validation_errors[] = 'blocked_email_domain';

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}

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// Fire hook for additional validation (ex. David Walsh script).

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$filtered_errors = apply_filters( 'zerospam_preprocess_wp_user_avatar_registration_submission', array(), $post, 'wp_user_avatar_spam_message' );

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if ( ! empty( $filtered_errors ) ) {

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

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$validation_errors[] = str_replace( 'zerospam_', '', $key );

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}

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}

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if ( ! empty( $validation_errors ) ) {

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// Failed validations, log & send details if enabled.

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foreach ( $validation_errors as $key => $fail ) {

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$details['failed'] = $fail;

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// Log the detection if enabled.

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if ( 'enabled' === \ZeroSpam\Core\Settings::get_settings( 'log_blocked_wp_user_avatar_registrations' ) ) {

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\ZeroSpam\Includes\DB::log( 'wp_user_avatar', $details );

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}

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// Share the detection if enabled.

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if ( 'enabled' === \ZeroSpam\Core\Settings::get_settings( 'share_data' ) ) {

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do_action( 'zerospam_share_detection', $details );

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}

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}

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$reg_errors->add( 'zerospam_error', $error_message );

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}

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return $reg_errors;

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}

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/**

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* Add a 'honeypot' field to the registration form

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*/

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public function add_honeypot_field( $registration_structure, $id ) {

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$registration_structure .= \ZeroSpam\Core\Utilities::honeypot_field();

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return $registration_structure;

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}

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/**

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* Admin setting sections

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*

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* @param array $sections Array of admin setting sections.

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*/

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public function sections( $sections ) {

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$sections['wp-user-avatar'] = array(

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'title' => __( 'ProfilePress', 'zero-spam' ),

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'icon' => 'modules/wpuseravatar/icon-profilepress.png',

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'supports' => array( 'honeypot', 'email' ),

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);

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return $sections;

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}

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/**

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* Admin settings

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*

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* @param array $settings Array of available settings.

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*/

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public function settings( $settings ) {

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$options = get_option( 'zero-spam-wp-user-avatar' );

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$settings['verify_wp_user_avatar_registrations'] = array(

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'title' => __( 'Protect Registrations', 'zero-spam' ),

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'desc' => __( 'Protects & monitors registration submissions.', 'zero-spam' ),

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'section' => 'wp-user-avatar',

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'module' => 'wp-user-avatar',

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'type' => 'checkbox',

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'options' => array(

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'enabled' => false,

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),

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'value' => ! empty( $options['verify_wp_user_avatar_registrations'] ) ? $options['verify_wp_user_avatar_registrations'] : false,

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'recommended' => 'enabled',

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);

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$settings['log_blocked_wp_user_avatar_registrations'] = array(

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'title' => __( 'Log Blocked Registrations', 'zero-spam' ),

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'section' => 'wp-user-avatar',

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'module' => 'wp-user-avatar',

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'type' => 'checkbox',

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'desc' => wp_kses(

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__( 'When enabled, stores blocked registration submissions in the database.', 'zero-spam' ),

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array( 'strong' => array() )

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),

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'options' => array(

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'enabled' => false,

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),

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'value' => ! empty( $options['log_blocked_wp_user_avatar_registrations'] ) ? $options['log_blocked_wp_user_avatar_registrations'] : false,

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'recommended' => 'enabled',

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);

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$message = __( 'Your IP has been flagged as spam/malicious.', 'zero-spam' );

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$settings['wp_user_avatar_spam_message'] = array(

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'title' => __( 'Flagged Message', 'zero-spam' ),

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'desc' => __( 'Message displayed when a submission has been flagged.', 'zero-spam' ),

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'section' => 'wp-user-avatar',

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'module' => 'wp-user-avatar',

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'type' => 'text',

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'field_class' => 'large-text',

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'placeholder' => $message,

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'value' => ! empty( $options['wp_user_avatar_spam_message'] ) ? $options['wp_user_avatar_spam_message'] : $message,

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'recommended' => $message,

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);

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return $settings;

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}

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}

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