Antichrist Message Board - Source Excerpt 07

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Summary

This source excerpt preserves a bounded section of Antichrist.net/wp-content/plugins/antichrist-message-board/antichrist-message-board.php so readers can inspect the evidence without opening the full source file.

**Source path:** Antichrist.net/wp-content/plugins/antichrist-message-board/antichrist-message-board.php

ob_start();
	?>
	<form class="acnmb-form-panel" method="post" action="<?php echo esc_url( admin_url( 'admin-post.php' ) ); ?>">
		<h2><?php echo esc_html( acnmb_t( 'acnmb.topic.reply_heading', 'Reply to this topic' ) ); ?></h2>
		<input type="hidden" name="action" value="acnmb_create_reply" />
		<input type="hidden" name="topic_id" value="<?php echo absint( $post->ID ); ?>" />
		<input type="hidden" name="redirect_to" value="<?php echo esc_url( get_permalink( $post ) ); ?>" />
		<?php wp_nonce_field( 'acnmb_create_reply_' . $post->ID, 'acnmb_nonce' ); ?>
		<label for="acnmb-reply-content"><?php echo esc_html( acnmb_t( 'acnmb.topic.reply_label', 'Reply' ) ); ?></label>
		<textarea id="acnmb-reply-content" name="reply_content" rows="7" required></textarea>
		<button type="submit"><?php echo esc_html( acnmb_t( 'acnmb.topic.publish_reply', 'Publish reply' ) ); ?></button>
	</form>
	<?php
	return ob_get_clean();
}

/**
 * Handle topic form submission.
 */
function acnmb_handle_create_topic() {
	if ( ! is_user_logged_in() || ! isset( $_POST['acnmb_nonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['acnmb_nonce'] ) ), 'acnmb_create_topic' ) ) {
		wp_safe_redirect( add_query_arg( 'acnmb_status', 'login_required', acnmb_submission_redirect() ) );
		exit;
	}

	$result = acnmb_insert_topic(
		array(
			'title'    => isset( $_POST['topic_title'] ) ? wp_unslash( $_POST['topic_title'] ) : '',
			'content'  => isset( $_POST['topic_content'] ) ? wp_unslash( $_POST['topic_content'] ) : '',
			'category' => isset( $_POST['topic_category'] ) ? absint( $_POST['topic_category'] ) : 0,
		),
		get_current_user_id()
	);

	if ( is_wp_error( $result ) ) {
		wp_safe_redirect( add_query_arg( 'acnmb_status', $result->get_error_code(), acnmb_submission_redirect() ) );
		exit;
	}

	wp_safe_redirect( get_permalink( $result ) );
	exit;
}

/**
 * Handle reply form submission.
 */
function acnmb_handle_create_reply() {
	$topic_id = isset( $_POST['topic_id'] ) ? absint( $_POST['topic_id'] ) : 0;
	if ( ! is_user_logged_in() || ! $topic_id || ! isset( $_POST['acnmb_nonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['acnmb_nonce'] ) ), 'acnmb_create_reply_' . $topic_id ) ) {
		wp_safe_redirect( add_query_arg( 'acnmb_status', 'login_required', acnmb_submission_redirect() ) );
		exit;
	}

	$result = acnmb_insert_reply(
		$topic_id,
		isset( $_POST['reply_content'] ) ? wp_unslash( $_POST['reply_content'] ) : '',
		get_current_user_id()
	);

	if ( is_wp_error( $result ) ) {
		wp_safe_redirect( add_query_arg( 'acnmb_status', $result->get_error_code(), acnmb_submission_redirect() ) );
		exit;
	}

	wp_safe_redirect( add_query_arg( 'acnmb_status', 'reply_created', get_permalink( $topic_id ) ) . '#reply-' . absint( $result ) );
	exit;
}

/**
 * Insert a topic programmatically.
 *
 * @param array $data Topic data.
 * @param int   $user_id User ID.
 * @return int|WP_Error
 */
function acnmb_insert_topic( array $data, $user_id ) {
	$user_id = absint( $user_id );
	if ( ! $user_id || ! get_userdata( $user_id ) ) {
		return new WP_Error( 'login_required', acnmb_t( 'acnmb.error.login_required', 'Log in before posting.' ) );
	}

	if ( acnmb_is_rate_limited( 'topic', $user_id ) ) {
		return new WP_Error( 'rate_limited', acnmb_t( 'acnmb.error.rate_limited', 'Please wait a moment before posting again.' ) );
	}

	$locale   = isset( $data['locale'] ) ? acnmb_normalize_locale_tag( $data['locale'] ) : acnmb_current_locale_tag();
	$title    = isset( $data['title'] ) ? sanitize_text_field( $data['title'] ) : '';
	$content  = isset( $data['content'] ) ? wp_kses_post( $data['content'] ) : '';
	$category = isset( $data['category'] ) ? $data['category'] : '';

	if ( strlen( $title ) < 4 ) {
		return new WP_Error( 'title_required', acnmb_t( 'acnmb.error.title_required', 'Add a clearer title.' ) );
	}

	if ( strlen( wp_strip_all_tags( $content ) ) < 8 ) {
		return new WP_Error( 'message_required', acnmb_t( 'acnmb.error.message_required', 'Add a message before posting.' ) );
	}

	$term = acnmb_resolve_category_term( $category, $locale );
	if ( ! $term instanceof WP_Term || is_wp_error( $term ) ) {
		return new WP_Error( 'category_required', acnmb_t( 'acnmb.error.category_required', 'Choose a board category.' ) );
	}

	$post_id = wp_insert_post(
		wp_slash(
			array(
				'post_type'      => ACNMB_TOPIC_POST_TYPE,
				'post_status'    => 'publish',
				'post_title'     => $title,
				'post_content'   => $content,
				'post_author'    => $user_id,
				'comment_status' => 'open',
			)
		),
		true
	);

	if ( is_wp_error( $post_id ) ) {
		return $post_id;
	}

	wp_set_object_terms( $post_id, array( (int) $term->term_id ), ACNMB_CATEGORY_TAXONOMY );
	update_post_meta( $post_id, '_acnmb_locale', $locale );
	update_post_meta( $post_id, '_acnmb_category_base_slug', acnmb_term_base_slug( $term ) );
	update_post_meta( $post_id, '_acnmb_pinned', 0 );
	update_post_meta( $post_id, '_acnmb_locked', 0 );
	acnmb_set_rate_limit( 'topic', $user_id );

	return (int) $post_id;
}

/**
 * Insert a reply programmatically.
 *
 * @param int    $topic_id Topic ID.
 * @param string $content Reply content.
 * @param int    $user_id User ID.
 * @return int|WP_Error
 */
function acnmb_insert_reply( $topic_id, $content, $user_id ) {
	$user_id  = absint( $user_id );
	$topic_id = absint( $topic_id );
	$topic    = get_post( $topic_id );

	if ( ! $user_id || ! get_userdata( $user_id ) ) {
		return new WP_Error( 'login_required', acnmb_t( 'acnmb.error.login_required', 'Log in before posting.' ) );
	}

	if ( ! $topic instanceof WP_Post || ACNMB_TOPIC_POST_TYPE !== $topic->post_type || 'publish' !== $topic->post_status ) {
		return new WP_Error( 'topic_not_found', acnmb_t( 'acnmb.error.topic_not_found', 'Topic not found.' ) );
	}

	$topic_locale  = acnmb_topic_locale( $topic_id );
	$current_locale = acnmb_current_locale_tag();
	if ( $topic_locale !== $current_locale ) {
		return new WP_Error( 'locale_mismatch', acnmb_t( 'acnmb.error.locale_mismatch', 'This topic belongs to another language board.' ) );
	}

	if ( get_post_meta( $topic_id, '_acnmb_locked', true ) ) {
		return new WP_Error( 'topic_locked', acnmb_t( 'acnmb.error.topic_locked', 'This topic is locked.' ) );
	}

	if ( acnmb_is_rate_limited( 'reply', $user_id ) ) {
		return new WP_Error( 'rate_limited', acnmb_t( 'acnmb.error.rate_limited', 'Please wait a moment before posting again.' ) );
	}

	$content = wp_kses_post( $content );
	if ( strlen( wp_strip_all_tags( $content ) ) < 3 ) {
		return new WP_Error( 'message_required', acnmb_t( 'acnmb.error.reply_required', 'Add a reply before posting.' ) );
	}

	$user = get_userdata( $user_id );
	$id   = wp_insert_comment(
		wp_slash(
			array(
				'comment_post_ID'      => $topic_id,
				'comment_author'       => $user->display_name,
				'comment_author_email' => $user->user_email,
				'comment_content'      => $content,
				'user_id'              => $user_id,
				'comment_type'         => 'acn_board_reply',
				'comment_approved'     => 1,
			)
		)
	);

	if ( ! $id ) {
		return new WP_Error( 'reply_failed', acnmb_t( 'acnmb.error.reply_failed', 'Reply could not be saved.' ) );
	}

	update_comment_meta( $id, '_acnmb_locale', $topic_locale );

	wp_update_post(
		array(
			'ID'                => $topic_id,
			'post_modified'     => current_time( 'mysql' ),
			'post_modified_gmt' => current_time( 'mysql', 1 ),
		)
	);
	acnmb_set_rate_limit( 'reply', $user_id );

	return (int) $id;
}

/**
 * Rate-limit front-end posting.
 *
 * @param string $action Action name.
 * @param int    $user_id User ID.
 * @return bool
 */
function acnmb_is_rate_limited( $action, $user_id ) {
	if ( defined( 'ACNMB_DISABLE_RATE_LIMITS' ) && ACNMB_DISABLE_RATE_LIMITS ) {
		return false;
	}

	return (bool) get_transient( 'acnmb_' . sanitize_key( $action ) . '_' . absint( $user_id ) );
}

/**
 * Set rate limit.
 *
 * @param string $action Action.
 * @param int    $user_id User ID.
 */
function acnmb_set_rate_limit( $action, $user_id ) {
	if ( defined( 'ACNMB_DISABLE_RATE_LIMITS' ) && ACNMB_DISABLE_RATE_LIMITS ) {
		return;
	}

	set_transient( 'acnmb_' . sanitize_key( $action ) . '_' . absint( $user_id ), 1, 30 );
}

/**
 * Return approved board replies.
 *
 * @param int $topic_id Topic ID.
 * @return array
 */
function acnmb_get_replies( $topic_id ) {
	$locale = acnmb_topic_locale( $topic_id );
	$meta_query = array(
		array(
			'key'   => '_acnmb_locale',
			'value' => $locale,
		),
	);

	if ( 'en-US' === $locale ) {
		$meta_query = array(
			'relation' => 'OR',
			array(
				'key'   => '_acnmb_locale',
				'value' => 'en-US',
			),
			array(
				'key'     => '_acnmb_locale',
				'compare' => 'NOT EXISTS',
			),
		);
	}

	return get_comments(
		array(
			'post_id'    => absint( $topic_id ),
			'status'     => 'approve',
			'type'       => 'acn_board_reply',
			'orderby'    => 'comment_date_gmt',
			'order'      => 'ASC',
			'meta_query' => $meta_query,
		)
	);
}