zhs123
2a64ce8daa
- WordPress classic theme for car tinting/foil shop - 13 homepage template parts - Customizer panel with 13 sections - RFQ inquiry form handler - Bootstrap 5.3 + AOS + Colorbox frontend - 13 SVG placeholder images - Chinese content defaults
88 lines
4.0 KiB
PHP
88 lines
4.0 KiB
PHP
<?php
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/** Secure B2B RFQ handling. @package Fragrance_Trade */
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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function fragrance_trade_post_value( $key ) {
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if ( ! isset( $_POST[ $key ] ) || ! is_scalar( $_POST[ $key ] ) ) {
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return '';
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}
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return (string) wp_unslash( $_POST[ $key ] );
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}
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function fragrance_trade_limit_text( $value, $length ) {
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return function_exists( 'mb_substr' ) ? mb_substr( $value, 0, $length ) : substr( $value, 0, $length );
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}
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function fragrance_trade_form_redirect_url() {
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$fallback = home_url( '/' );
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$referer = wp_get_referer();
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return wp_validate_redirect( $referer ? $referer : $fallback, $fallback );
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}
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function fragrance_trade_redirect_notice( $notice ) {
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$url = remove_query_arg( 'fragrance_notice', fragrance_trade_form_redirect_url() );
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$url = add_query_arg( 'fragrance_notice', sanitize_key( $notice ), $url );
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wp_safe_redirect( $url . '#rfq' );
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exit;
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}
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function fragrance_trade_is_rate_limited( $action ) {
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$address = isset( $_SERVER['REMOTE_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : 'unknown';
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$key = 'fragrance_' . sanitize_key( $action ) . '_' . substr( hash( 'sha256', $address . wp_salt( 'nonce' ) ), 0, 32 );
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if ( get_transient( $key ) ) {
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return true;
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}
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set_transient( $key, 1, MINUTE_IN_SECONDS );
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return false;
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}
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function fragrance_trade_honeypot_filled() {
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return '' !== trim( fragrance_trade_post_value( 'fragrance_website' ) );
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}
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function fragrance_trade_handle_rfq() {
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check_admin_referer( 'fragrance_rfq', 'fragrance_rfq_nonce' );
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if ( fragrance_trade_honeypot_filled() ) {
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fragrance_trade_redirect_notice( 'invalid' );
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}
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if ( fragrance_trade_is_rate_limited( 'rfq' ) ) {
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fragrance_trade_redirect_notice( 'rate_limited' );
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}
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$fields = array(
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'name' => fragrance_trade_limit_text( sanitize_text_field( fragrance_trade_post_value( 'name' ) ), 100 ),
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'email' => fragrance_trade_limit_text( sanitize_email( fragrance_trade_post_value( 'email' ) ), 190 ),
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'company' => fragrance_trade_limit_text( sanitize_text_field( fragrance_trade_post_value( 'company' ) ), 150 ),
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'whatsapp' => fragrance_trade_limit_text( sanitize_text_field( fragrance_trade_post_value( 'whatsapp' ) ), 100 ),
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'product_type' => fragrance_trade_limit_text( sanitize_text_field( fragrance_trade_post_value( 'product_type' ) ), 150 ),
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'message' => fragrance_trade_limit_text( sanitize_textarea_field( fragrance_trade_post_value( 'message' ) ), 2000 ),
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);
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if ( ! $fields['name'] || ! is_email( $fields['email'] ) || ! $fields['product_type'] || ! $fields['message'] ) {
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fragrance_trade_redirect_notice( 'invalid' );
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}
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$labels = array(
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'name' => __( '姓名', 'fragrance-trade' ), 'email' => __( '企业邮箱', 'fragrance-trade' ),
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'company' => __( '公司名称', 'fragrance-trade' ), 'whatsapp' => __( 'WhatsApp 或电话', 'fragrance-trade' ),
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'product_type' => __( '需求产品或服务', 'fragrance-trade' ), 'message' => __( '简要需求描述', 'fragrance-trade' ),
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);
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$body_lines = array();
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foreach ( $labels as $key => $label ) {
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$body_lines[] = $label . ': ' . ( $fields[ $key ] ? $fields[ $key ] : __( '未提供', 'fragrance-trade' ) );
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}
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$site_name = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES );
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$safe_name = str_replace( array( "\r", "\n" ), ' ', $fields['name'] );
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$safe_email = str_replace( array( "\r", "\n" ), '', $fields['email'] );
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$context = $fields['company'] ? $fields['company'] : $fields['product_type'];
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$subject = sprintf( '[%s] %s - %s', $site_name, __( '汽车贴膜项目询价', 'fragrance-trade' ), $context );
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$headers = array( 'Content-Type: text/plain; charset=UTF-8', 'Reply-To: ' . $safe_name . ' <' . $safe_email . '>' );
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$sent = wp_mail( fragrance_trade_inquiry_email(), $subject, implode( "\n\n", $body_lines ), $headers );
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fragrance_trade_redirect_notice( $sent ? 'success' : 'mail_failed' );
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}
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add_action( 'admin_post_fragrance_rfq', 'fragrance_trade_handle_rfq' );
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add_action( 'admin_post_nopriv_fragrance_rfq', 'fragrance_trade_handle_rfq' );
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