/
grunion-contact-form.php
3239 lines (2767 loc) · 105 KB
/
grunion-contact-form.php
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<?php
/*
Plugin Name: Grunion Contact Form
Description: Add a contact form to any post, page or text widget. Emails will be sent to the post's author by default, or any email address you choose. As seen on WordPress.com.
Plugin URI: http://automattic.com/#
AUthor: Automattic, Inc.
Author URI: http://automattic.com/
Version: 2.4
License: GPLv2 or later
*/
define( 'GRUNION_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
define( 'GRUNION_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
if ( is_admin() ) {
require_once GRUNION_PLUGIN_DIR . 'admin.php';
}
add_action( 'rest_api_init', 'grunion_contact_form_require_endpoint' );
function grunion_contact_form_require_endpoint() {
require_once GRUNION_PLUGIN_DIR . 'class-grunion-contact-form-endpoint.php';
}
/**
* Sets up various actions, filters, post types, post statuses, shortcodes.
*/
class Grunion_Contact_Form_Plugin {
/**
* @var string The Widget ID of the widget currently being processed. Used to build the unique contact-form ID for forms embedded in widgets.
*/
public $current_widget_id;
static $using_contact_form_field = false;
/**
* @var int The last Feedback Post ID Erased as part of the Personal Data Eraser.
* Helps with pagination.
*/
private $pde_last_post_id_erased = 0;
/**
* @var string The email address for which we are deleting/exporting all feedbacks
* as part of a Personal Data Eraser or Personal Data Exporter request.
*/
private $pde_email_address = '';
static function init() {
static $instance = false;
if ( ! $instance ) {
$instance = new Grunion_Contact_Form_Plugin;
// Schedule our daily cleanup
add_action( 'wp_scheduled_delete', array( $instance, 'daily_akismet_meta_cleanup' ) );
}
return $instance;
}
/**
* Runs daily to clean up spam detection metadata after 15 days. Keeps your DB squeaky clean.
*/
public function daily_akismet_meta_cleanup() {
global $wpdb;
$feedback_ids = $wpdb->get_col( "SELECT p.ID FROM {$wpdb->posts} as p INNER JOIN {$wpdb->postmeta} as m on m.post_id = p.ID WHERE p.post_type = 'feedback' AND m.meta_key = '_feedback_akismet_values' AND DATE_SUB(NOW(), INTERVAL 15 DAY) > p.post_date_gmt LIMIT 10000" );
if ( empty( $feedback_ids ) ) {
return;
}
/**
* Fires right before deleting the _feedback_akismet_values post meta on $feedback_ids
*
* @module contact-form
*
* @since 6.1.0
*
* @param array $feedback_ids list of feedback post ID
*/
do_action( 'jetpack_daily_akismet_meta_cleanup_before', $feedback_ids );
foreach ( $feedback_ids as $feedback_id ) {
delete_post_meta( $feedback_id, '_feedback_akismet_values' );
}
/**
* Fires right after deleting the _feedback_akismet_values post meta on $feedback_ids
*
* @module contact-form
*
* @since 6.1.0
*
* @param array $feedback_ids list of feedback post ID
*/
do_action( 'jetpack_daily_akismet_meta_cleanup_after', $feedback_ids );
}
/**
* Strips HTML tags from input. Output is NOT HTML safe.
*
* @param mixed $data_with_tags
* @return mixed
*/
public static function strip_tags( $data_with_tags ) {
if ( is_array( $data_with_tags ) ) {
foreach ( $data_with_tags as $index => $value ) {
$index = sanitize_text_field( strval( $index ) );
$value = wp_kses( strval( $value ), array() );
$value = str_replace( '&', '&', $value ); // undo damage done by wp_kses_normalize_entities()
$data_without_tags[ $index ] = $value;
}
} else {
$data_without_tags = wp_kses( $data_with_tags, array() );
$data_without_tags = str_replace( '&', '&', $data_without_tags ); // undo damage done by wp_kses_normalize_entities()
}
return $data_without_tags;
}
function __construct() {
$this->add_shortcode();
// While generating the output of a text widget with a contact-form shortcode, we need to know its widget ID.
add_action( 'dynamic_sidebar', array( $this, 'track_current_widget' ) );
// Add a "widget" shortcode attribute to all contact-form shortcodes embedded in widgets
add_filter( 'widget_text', array( $this, 'widget_atts' ), 0 );
// If Text Widgets don't get shortcode processed, hack ours into place.
if (
version_compare( get_bloginfo( 'version' ), '4.9-z', '<=' )
&& ! has_filter( 'widget_text', 'do_shortcode' )
) {
add_filter( 'widget_text', array( $this, 'widget_shortcode_hack' ), 5 );
}
// Akismet to the rescue
if ( defined( 'AKISMET_VERSION' ) || function_exists( 'akismet_http_post' ) ) {
add_filter( 'jetpack_contact_form_is_spam', array( $this, 'is_spam_akismet' ), 10, 2 );
add_action( 'contact_form_akismet', array( $this, 'akismet_submit' ), 10, 2 );
}
add_action( 'loop_start', array( 'Grunion_Contact_Form', '_style_on' ) );
add_action( 'wp_ajax_grunion-contact-form', array( $this, 'ajax_request' ) );
add_action( 'wp_ajax_nopriv_grunion-contact-form', array( $this, 'ajax_request' ) );
// GDPR: personal data exporter & eraser.
add_filter( 'wp_privacy_personal_data_exporters', array( $this, 'register_personal_data_exporter' ) );
add_filter( 'wp_privacy_personal_data_erasers', array( $this, 'register_personal_data_eraser' ) );
// Export to CSV feature
if ( is_admin() ) {
add_action( 'admin_init', array( $this, 'download_feedback_as_csv' ) );
add_action( 'admin_footer-edit.php', array( $this, 'export_form' ) );
add_action( 'admin_menu', array( $this, 'admin_menu' ) );
add_action( 'current_screen', array( $this, 'unread_count' ) );
}
// custom post type we'll use to keep copies of the feedback items
register_post_type(
'feedback', array(
'labels' => array(
'name' => __( 'Feedback', 'jetpack' ),
'singular_name' => __( 'Feedback', 'jetpack' ),
'search_items' => __( 'Search Feedback', 'jetpack' ),
'not_found' => __( 'No feedback found', 'jetpack' ),
'not_found_in_trash' => __( 'No feedback found', 'jetpack' ),
),
'menu_icon' => 'dashicons-feedback',
'show_ui' => true,
'show_in_admin_bar' => false,
'public' => false,
'rewrite' => false,
'query_var' => false,
'capability_type' => 'page',
'show_in_rest' => true,
'rest_controller_class' => 'Grunion_Contact_Form_Endpoint',
'capabilities' => array(
'create_posts' => false,
'publish_posts' => 'publish_pages',
'edit_posts' => 'edit_pages',
'edit_others_posts' => 'edit_others_pages',
'delete_posts' => 'delete_pages',
'delete_others_posts' => 'delete_others_pages',
'read_private_posts' => 'read_private_pages',
'edit_post' => 'edit_page',
'delete_post' => 'delete_page',
'read_post' => 'read_page',
),
'map_meta_cap' => true,
)
);
// Add to REST API post type whitelist
add_filter( 'rest_api_allowed_post_types', array( $this, 'allow_feedback_rest_api_type' ) );
// Add "spam" as a post status
register_post_status(
'spam', array(
'label' => 'Spam',
'public' => false,
'exclude_from_search' => true,
'show_in_admin_all_list' => false,
'label_count' => _n_noop( 'Spam <span class="count">(%s)</span>', 'Spam <span class="count">(%s)</span>', 'jetpack' ),
'protected' => true,
'_builtin' => false,
)
);
// POST handler
if (
isset( $_SERVER['REQUEST_METHOD'] ) && 'POST' == strtoupper( $_SERVER['REQUEST_METHOD'] )
&&
isset( $_POST['action'] ) && 'grunion-contact-form' == $_POST['action']
&&
isset( $_POST['contact-form-id'] )
) {
add_action( 'template_redirect', array( $this, 'process_form_submission' ) );
}
/*
Can be dequeued by placing the following in wp-content/themes/yourtheme/functions.php
*
* function remove_grunion_style() {
* wp_deregister_style('grunion.css');
* }
* add_action('wp_print_styles', 'remove_grunion_style');
*/
wp_register_style( 'grunion.css', GRUNION_PLUGIN_URL . 'css/grunion.css', array(), JETPACK__VERSION );
wp_style_add_data( 'grunion.css', 'rtl', 'replace' );
add_action( 'enqueue_block_editor_assets', array( __CLASS__, 'enqueue_block_editor_assets' ) );
if ( function_exists( 'register_block_type' ) ) {
register_block_type( 'jetpack/form', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_form' ),
) );
// These can all use a common render method.
register_block_type( 'jetpack/field-text', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field' ),
) );
register_block_type( 'jetpack/field-name', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field' ),
) );
register_block_type( 'jetpack/field-email', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field' ),
) );
register_block_type( 'jetpack/field-url', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field' ),
) );
register_block_type( 'jetpack/field-date', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field' ),
) );
register_block_type( 'jetpack/field-telephone', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field' ),
) );
// Special per-field-type render methods.
register_block_type( 'jetpack/field-textarea', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field_textarea' ),
) );
register_block_type( 'jetpack/field-checkbox', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field_checkbox' ),
) );
register_block_type( 'jetpack/field-checkbox-multiple', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field_checkbox_multiple' ),
) );
register_block_type( 'jetpack/field-radio', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field_radio' ),
) );
register_block_type( 'jetpack/field-select', array(
'render_callback' => array( __CLASS__, 'gutenblock_render_field_select' ),
) );
}
}
public static function enqueue_block_editor_assets() {
wp_enqueue_script( 'jetpack-cf-gutenblock', plugins_url( 'js/gutenblock.js', __FILE__ ), array(
'wp-blocks',
'wp-i18n',
'wp-element',
), filemtime( dirname( __FILE__ ) . '/js/gutenblock.js' ) );
wp_enqueue_style( 'jetpack-cf-gutenblock', plugins_url( 'css/gutenblock.css', __FILE__ ), array(
'wp-blocks',
), filemtime( dirname( __FILE__ ) . '/css/gutenblock.css' ) );
}
public static function gutenblock_render_form( $atts, $content ) {
return Grunion_Contact_Form::parse( $atts, $content );
}
public static function gutenblock_render_field( $atts, $content ) {
return Grunion_Contact_Form::parse_contact_field( $atts, $content );
}
public static function gutenblock_render_field_textarea( $atts, $content ) {
$atts['type'] = 'textarea';
return Grunion_Contact_Form::parse_contact_field( $atts, $content );
}
public static function gutenblock_render_field_checkbox( $atts, $content ) {
$atts['type'] = 'checkbox';
return Grunion_Contact_Form::parse_contact_field( $atts, $content );
}
public static function gutenblock_render_field_checkbox_multiple( $atts, $content ) {
$atts['type'] = 'checkbox-multiple';
return Grunion_Contact_Form::parse_contact_field( $atts, $content );
}
public static function gutenblock_render_field_radio( $atts, $content ) {
$atts['type'] = 'radio';
return Grunion_Contact_Form::parse_contact_field( $atts, $content );
}
public static function gutenblock_render_field_select( $atts, $content ) {
$atts['type'] = 'select';
return Grunion_Contact_Form::parse_contact_field( $atts, $content );
}
/**
* Add the 'Export' menu item as a submenu of Feedback.
*/
public function admin_menu() {
add_submenu_page(
'edit.php?post_type=feedback',
__( 'Export feedback as CSV', 'jetpack' ),
__( 'Export CSV', 'jetpack' ),
'export',
'feedback-export',
array( $this, 'export_form' )
);
}
/**
* Add to REST API post type whitelist
*/
function allow_feedback_rest_api_type( $post_types ) {
$post_types[] = 'feedback';
return $post_types;
}
/**
* Display the count of new feedback entries received. It's reset when user visits the Feedback screen.
*
* @since 4.1.0
*
* @param object $screen Information about the current screen.
*/
function unread_count( $screen ) {
if ( isset( $screen->post_type ) && 'feedback' == $screen->post_type ) {
update_option( 'feedback_unread_count', 0 );
} else {
global $menu;
if ( isset( $menu ) && is_array( $menu ) && ! empty( $menu ) ) {
foreach ( $menu as $index => $menu_item ) {
if ( 'edit.php?post_type=feedback' == $menu_item[2] ) {
$unread = get_option( 'feedback_unread_count', 0 );
if ( $unread > 0 ) {
$unread_count = current_user_can( 'publish_pages' ) ? " <span class='feedback-unread count-{$unread} awaiting-mod'><span class='feedback-unread-count'>" . number_format_i18n( $unread ) . '</span></span>' : '';
$menu[ $index ][0] .= $unread_count;
}
break;
}
}
}
}
}
/**
* Handles all contact-form POST submissions
*
* Conditionally attached to `template_redirect`
*/
function process_form_submission() {
// Add a filter to replace tokens in the subject field with sanitized field values
add_filter( 'contact_form_subject', array( $this, 'replace_tokens_with_input' ), 10, 2 );
$id = stripslashes( $_POST['contact-form-id'] );
$hash = isset( $_POST['contact-form-hash'] ) ? $_POST['contact-form-hash'] : null;
$hash = preg_replace( '/[^\da-f]/i', '', $hash );
if ( is_user_logged_in() ) {
check_admin_referer( "contact-form_{$id}" );
}
$is_widget = 0 === strpos( $id, 'widget-' );
$form = false;
if ( $is_widget ) {
// It's a form embedded in a text widget
$this->current_widget_id = substr( $id, 7 ); // remove "widget-"
$widget_type = implode( '-', array_slice( explode( '-', $this->current_widget_id ), 0, -1 ) ); // Remove trailing -#
// Is the widget active?
$sidebar = is_active_widget( false, $this->current_widget_id, $widget_type );
// This is lame - no core API for getting a widget by ID
$widget = isset( $GLOBALS['wp_registered_widgets'][ $this->current_widget_id ] ) ? $GLOBALS['wp_registered_widgets'][ $this->current_widget_id ] : false;
if ( $sidebar && $widget && isset( $widget['callback'] ) ) {
// prevent PHP notices by populating widget args
$widget_args = array(
'before_widget' => '',
'after_widget' => '',
'before_title' => '',
'after_title' => '',
);
// This is lamer - no API for outputting a given widget by ID
ob_start();
// Process the widget to populate Grunion_Contact_Form::$last
call_user_func( $widget['callback'], $widget_args, $widget['params'][0] );
ob_end_clean();
}
} else {
// It's a form embedded in a post
$post = get_post( $id );
// Process the content to populate Grunion_Contact_Form::$last
/** This filter is already documented in core. wp-includes/post-template.php */
apply_filters( 'the_content', $post->post_content );
}
$form = isset( Grunion_Contact_Form::$forms[ $hash ] ) ? Grunion_Contact_Form::$forms[ $hash ] : null;
// No form may mean user is using do_shortcode, grab the form using the stored post meta
if ( ! $form ) {
// Get shortcode from post meta
$shortcode = get_post_meta( $_POST['contact-form-id'], "_g_feedback_shortcode_{$hash}", true );
// Format it
if ( $shortcode != '' ) {
// Get attributes from post meta.
$parameters = '';
$attributes = get_post_meta( $_POST['contact-form-id'], "_g_feedback_shortcode_atts_{$hash}", true );
if ( ! empty( $attributes ) && is_array( $attributes ) ) {
foreach ( array_filter( $attributes ) as $param => $value ) {
$parameters .= " $param=\"$value\"";
}
}
$shortcode = '[contact-form' . $parameters . ']' . $shortcode . '[/contact-form]';
do_shortcode( $shortcode );
// Recreate form
$form = Grunion_Contact_Form::$last;
}
if ( ! $form ) {
return false;
}
}
if ( is_wp_error( $form->errors ) && $form->errors->get_error_codes() ) {
return $form->errors;
}
// Process the form
return $form->process_submission();
}
function ajax_request() {
$submission_result = self::process_form_submission();
if ( ! $submission_result ) {
header( 'HTTP/1.1 500 Server Error', 500, true );
echo '<div class="form-error"><ul class="form-errors"><li class="form-error-message">';
esc_html_e( 'An error occurred. Please try again later.', 'jetpack' );
echo '</li></ul></div>';
} elseif ( is_wp_error( $submission_result ) ) {
header( 'HTTP/1.1 400 Bad Request', 403, true );
echo '<div class="form-error"><ul class="form-errors"><li class="form-error-message">';
echo esc_html( $submission_result->get_error_message() );
echo '</li></ul></div>';
} else {
echo '<h3>' . esc_html__( 'Message Sent', 'jetpack' ) . '</h3>' . $submission_result;
}
die;
}
/**
* Ensure the post author is always zero for contact-form feedbacks
* Attached to `wp_insert_post_data`
*
* @see Grunion_Contact_Form::process_submission()
*
* @param array $data the data to insert
* @param array $postarr the data sent to wp_insert_post()
* @return array The filtered $data to insert
*/
function insert_feedback_filter( $data, $postarr ) {
if ( $data['post_type'] == 'feedback' && $postarr['post_type'] == 'feedback' ) {
$data['post_author'] = 0;
}
return $data;
}
/*
* Adds our contact-form shortcode
* The "child" contact-field shortcode is enabled as needed by the contact-form shortcode handler
*/
function add_shortcode() {
add_shortcode( 'contact-form', array( 'Grunion_Contact_Form', 'parse' ) );
add_shortcode( 'contact-field', array( 'Grunion_Contact_Form', 'parse_contact_field' ) );
}
static function tokenize_label( $label ) {
return '{' . trim( preg_replace( '#^\d+_#', '', $label ) ) . '}';
}
static function sanitize_value( $value ) {
return preg_replace( '=((<CR>|<LF>|0x0A/%0A|0x0D/%0D|\\n|\\r)\S).*=i', null, $value );
}
/**
* Replaces tokens like {city} or {City} (case insensitive) with the value
* of an input field of that name
*
* @param string $subject
* @param array $field_values Array with field label => field value associations
*
* @return string The filtered $subject with the tokens replaced
*/
function replace_tokens_with_input( $subject, $field_values ) {
// Wrap labels into tokens (inside {})
$wrapped_labels = array_map( array( 'Grunion_Contact_Form_Plugin', 'tokenize_label' ), array_keys( $field_values ) );
// Sanitize all values
$sanitized_values = array_map( array( 'Grunion_Contact_Form_Plugin', 'sanitize_value' ), array_values( $field_values ) );
foreach ( $sanitized_values as $k => $sanitized_value ) {
if ( is_array( $sanitized_value ) ) {
$sanitized_values[ $k ] = implode( ', ', $sanitized_value );
}
}
// Search for all valid tokens (based on existing fields) and replace with the field's value
$subject = str_ireplace( $wrapped_labels, $sanitized_values, $subject );
return $subject;
}
/**
* Tracks the widget currently being processed.
* Attached to `dynamic_sidebar`
*
* @see $current_widget_id
*
* @param array $widget The widget data
*/
function track_current_widget( $widget ) {
$this->current_widget_id = $widget['id'];
}
/**
* Adds a "widget" attribute to every contact-form embedded in a text widget.
* Used to tell the difference between post-embedded contact-forms and widget-embedded contact-forms
* Attached to `widget_text`
*
* @param string $text The widget text
* @return string The filtered widget text
*/
function widget_atts( $text ) {
Grunion_Contact_Form::style( true );
return preg_replace( '/\[contact-form([^a-zA-Z_-])/', '[contact-form widget="' . $this->current_widget_id . '"\\1', $text );
}
/**
* For sites where text widgets are not processed for shortcodes, we add this hack to process just our shortcode
* Attached to `widget_text`
*
* @param string $text The widget text
* @return string The contact-form filtered widget text
*/
function widget_shortcode_hack( $text ) {
if ( ! preg_match( '/\[contact-form([^a-zA-Z_-])/', $text ) ) {
return $text;
}
$old = $GLOBALS['shortcode_tags'];
remove_all_shortcodes();
Grunion_Contact_Form_Plugin::$using_contact_form_field = true;
$this->add_shortcode();
$text = do_shortcode( $text );
Grunion_Contact_Form_Plugin::$using_contact_form_field = false;
$GLOBALS['shortcode_tags'] = $old;
return $text;
}
/**
* Populate an array with all values necessary to submit a NEW contact-form feedback to Akismet.
* Note that this includes the current user_ip etc, so this should only be called when accepting a new item via $_POST
*
* @param array $form Contact form feedback array
* @return array feedback array with additional data ready for submission to Akismet
*/
function prepare_for_akismet( $form ) {
$form['comment_type'] = 'contact_form';
$form['user_ip'] = $_SERVER['REMOTE_ADDR'];
$form['user_agent'] = $_SERVER['HTTP_USER_AGENT'];
$form['referrer'] = $_SERVER['HTTP_REFERER'];
$form['blog'] = get_option( 'home' );
foreach ( $_SERVER as $key => $value ) {
if ( ! is_string( $value ) ) {
continue;
}
if ( in_array( $key, array( 'HTTP_COOKIE', 'HTTP_COOKIE2', 'HTTP_USER_AGENT', 'HTTP_REFERER' ) ) ) {
// We don't care about cookies, and the UA and Referrer were caught above.
continue;
} elseif ( in_array( $key, array( 'REMOTE_ADDR', 'REQUEST_URI', 'DOCUMENT_URI' ) ) ) {
// All three of these are relevant indicators and should be passed along.
$form[ $key ] = $value;
} elseif ( wp_startswith( $key, 'HTTP_' ) ) {
// Any other HTTP header indicators.
// `wp_startswith()` is a wpcom helper function and is included in Jetpack via `functions.compat.php`
$form[ $key ] = $value;
}
}
return $form;
}
/**
* Submit contact-form data to Akismet to check for spam.
* If you're accepting a new item via $_POST, run it Grunion_Contact_Form_Plugin::prepare_for_akismet() first
* Attached to `jetpack_contact_form_is_spam`
*
* @param bool $is_spam
* @param array $form
* @return bool|WP_Error TRUE => spam, FALSE => not spam, WP_Error => stop processing entirely
*/
function is_spam_akismet( $is_spam, $form = array() ) {
global $akismet_api_host, $akismet_api_port;
// The signature of this function changed from accepting just $form.
// If something only sends an array, assume it's still using the old
// signature and work around it.
if ( empty( $form ) && is_array( $is_spam ) ) {
$form = $is_spam;
$is_spam = false;
}
// If a previous filter has alrady marked this as spam, trust that and move on.
if ( $is_spam ) {
return $is_spam;
}
if ( ! function_exists( 'akismet_http_post' ) && ! defined( 'AKISMET_VERSION' ) ) {
return false;
}
$query_string = http_build_query( $form );
if ( method_exists( 'Akismet', 'http_post' ) ) {
$response = Akismet::http_post( $query_string, 'comment-check' );
} else {
$response = akismet_http_post( $query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port );
}
$result = false;
if ( isset( $response[0]['x-akismet-pro-tip'] ) && 'discard' === trim( $response[0]['x-akismet-pro-tip'] ) && get_option( 'akismet_strictness' ) === '1' ) {
$result = new WP_Error( 'feedback-discarded', __( 'Feedback discarded.', 'jetpack' ) );
} elseif ( isset( $response[1] ) && 'true' == trim( $response[1] ) ) { // 'true' is spam
$result = true;
}
/**
* Filter the results returned by Akismet for each submitted contact form.
*
* @module contact-form
*
* @since 1.3.1
*
* @param WP_Error|bool $result Is the submitted feedback spam.
* @param array|bool $form Submitted feedback.
*/
return apply_filters( 'contact_form_is_spam_akismet', $result, $form );
}
/**
* Submit a feedback as either spam or ham
*
* @param string $as Either 'spam' or 'ham'.
* @param array $form the contact-form data
*/
function akismet_submit( $as, $form ) {
global $akismet_api_host, $akismet_api_port;
if ( ! in_array( $as, array( 'ham', 'spam' ) ) ) {
return false;
}
$query_string = '';
if ( is_array( $form ) ) {
$query_string = http_build_query( $form );
}
if ( method_exists( 'Akismet', 'http_post' ) ) {
$response = Akismet::http_post( $query_string, "submit-{$as}" );
} else {
$response = akismet_http_post( $query_string, $akismet_api_host, "/1.1/submit-{$as}", $akismet_api_port );
}
return trim( $response[1] );
}
/**
* Prints the menu
*/
function export_form() {
$current_screen = get_current_screen();
if ( ! in_array( $current_screen->id, array( 'edit-feedback', 'feedback_page_feedback-export' ) ) ) {
return;
}
if ( ! current_user_can( 'export' ) ) {
return;
}
// if there aren't any feedbacks, bail out
if ( ! (int) wp_count_posts( 'feedback' )->publish ) {
return;
}
?>
<div id="feedback-export" style="display:none">
<h2><?php _e( 'Export feedback as CSV', 'jetpack' ); ?></h2>
<div class="clear"></div>
<form action="<?php echo admin_url( 'admin-post.php' ); ?>" method="post" class="form">
<?php wp_nonce_field( 'feedback_export', 'feedback_export_nonce' ); ?>
<input name="action" value="feedback_export" type="hidden">
<label for="post"><?php _e( 'Select feedback to download', 'jetpack' ); ?></label>
<select name="post">
<option value="all"><?php esc_html_e( 'All posts', 'jetpack' ); ?></option>
<?php echo $this->get_feedbacks_as_options(); ?>
</select>
<br><br>
<input type="submit" name="submit" id="submit" class="button button-primary" value="<?php esc_html_e( 'Download', 'jetpack' ); ?>">
</form>
</div>
<?php
// There aren't any usable actions in core to output the "export feedback" form in the correct place,
// so this inline JS moves it from the top of the page to the bottom.
?>
<script type='text/javascript'>
var menu = document.getElementById( 'feedback-export' ),
wrapper = document.getElementsByClassName( 'wrap' )[0];
<?php if ( 'edit-feedback' === $current_screen->id ) : ?>
wrapper.appendChild(menu);
<?php endif; ?>
menu.style.display = 'block';
</script>
<?php
}
/**
* Fetch post content for a post and extract just the comment.
*
* @param int $post_id The post id to fetch the content for.
*
* @return string Trimmed post comment.
*
* @codeCoverageIgnore
*/
public function get_post_content_for_csv_export( $post_id ) {
$post_content = get_post_field( 'post_content', $post_id );
$content = explode( '<!--more-->', $post_content );
return trim( $content[0] );
}
/**
* Get `_feedback_extra_fields` field from post meta data.
*
* @param int $post_id Id of the post to fetch meta data for.
*
* @return mixed
*
* @codeCoverageIgnore - No need to be covered.
*/
public function get_post_meta_for_csv_export( $post_id ) {
return get_post_meta( $post_id, '_feedback_extra_fields', true );
}
/**
* Get parsed feedback post fields.
*
* @param int $post_id Id of the post to fetch parsed contents for.
*
* @return array
*
* @codeCoverageIgnore - No need to be covered.
*/
public function get_parsed_field_contents_of_post( $post_id ) {
return self::parse_fields_from_content( $post_id );
}
/**
* Properly maps fields that are missing from the post meta data
* to names, that are similar to those of the post meta.
*
* @param array $parsed_post_content Parsed post content
*
* @see parse_fields_from_content for how the input data is generated.
*
* @return array Mapped fields.
*/
public function map_parsed_field_contents_of_post_to_field_names( $parsed_post_content ) {
$mapped_fields = array();
$field_mapping = array(
'_feedback_subject' => __( 'Contact Form', 'jetpack' ),
'_feedback_author' => '1_Name',
'_feedback_author_email' => '2_Email',
'_feedback_author_url' => '3_Website',
'_feedback_main_comment' => '4_Comment',
);
foreach ( $field_mapping as $parsed_field_name => $field_name ) {
if (
isset( $parsed_post_content[ $parsed_field_name ] )
&& ! empty( $parsed_post_content[ $parsed_field_name ] )
) {
$mapped_fields[ $field_name ] = $parsed_post_content[ $parsed_field_name ];
}
}
return $mapped_fields;
}
/**
* Registers the personal data exporter.
*
* @since 6.1.1
*
* @param array $exporters An array of personal data exporters.
*
* @return array $exporters An array of personal data exporters.
*/
public function register_personal_data_exporter( $exporters ) {
$exporters['jetpack-feedback'] = array(
'exporter_friendly_name' => __( 'Feedback', 'jetpack' ),
'callback' => array( $this, 'personal_data_exporter' ),
);
return $exporters;
}
/**
* Registers the personal data eraser.
*
* @since 6.1.1
*
* @param array $erasers An array of personal data erasers.
*
* @return array $erasers An array of personal data erasers.
*/
public function register_personal_data_eraser( $erasers ) {
$erasers['jetpack-feedback'] = array(
'eraser_friendly_name' => __( 'Feedback', 'jetpack' ),
'callback' => array( $this, 'personal_data_eraser' ),
);
return $erasers;
}
/**
* Exports personal data.
*
* @since 6.1.1
*
* @param string $email Email address.
* @param int $page Page to export.
*
* @return array $return Associative array with keys expected by core.
*/
public function personal_data_exporter( $email, $page = 1 ) {
return $this->_internal_personal_data_exporter( $email, $page );
}
/**
* Internal method for exporting personal data.
*
* Allows us to have a different signature than core expects
* while protecting against future core API changes.
*
* @internal
* @since 6.5
*
* @param string $email Email address.
* @param int $page Page to export.
* @param int $per_page Number of feedbacks to process per page. Internal use only (testing)
*
* @return array Associative array with keys expected by core.
*/
public function _internal_personal_data_exporter( $email, $page = 1, $per_page = 250 ) {
$export_data = array();
$post_ids = $this->personal_data_post_ids_by_email( $email, $per_page, $page );
foreach ( $post_ids as $post_id ) {
$post_fields = $this->get_parsed_field_contents_of_post( $post_id );
if ( ! is_array( $post_fields ) || empty( $post_fields['_feedback_subject'] ) ) {
continue; // Corrupt data.
}
$post_fields['_feedback_main_comment'] = $this->get_post_content_for_csv_export( $post_id );
$post_fields = $this->map_parsed_field_contents_of_post_to_field_names( $post_fields );
if ( ! is_array( $post_fields ) || empty( $post_fields ) ) {
continue; // No fields to export.
}
$post_meta = $this->get_post_meta_for_csv_export( $post_id );
$post_meta = is_array( $post_meta ) ? $post_meta : array();
$post_export_data = array();
$post_data = array_merge( $post_fields, $post_meta );
ksort( $post_data );
foreach ( $post_data as $post_data_key => $post_data_value ) {
$post_export_data[] = array(
'name' => preg_replace( '/^[0-9]+_/', '', $post_data_key ),
'value' => $post_data_value,
);
}
$export_data[] = array(
'group_id' => 'feedback',
'group_label' => __( 'Feedback', 'jetpack' ),
'item_id' => 'feedback-' . $post_id,
'data' => $post_export_data,
);
}
return array(
'data' => $export_data,
'done' => count( $post_ids ) < $per_page,
);
}
/**
* Erases personal data.
*
* @since 6.1.1
*
* @param string $email Email address.
* @param int $page Page to erase.
*
* @return array Associative array with keys expected by core.
*/
public function personal_data_eraser( $email, $page = 1 ) {
return $this->_internal_personal_data_eraser( $email, $page );
}
/**
* Internal method for erasing personal data.
*
* Allows us to have a different signature than core expects
* while protecting against future core API changes.
*
* @internal
* @since 6.5
*
* @param string $email Email address.
* @param int $page Page to erase.
* @param int $per_page Number of feedbacks to process per page. Internal use only (testing)
*
* @return array Associative array with keys expected by core.
*/
public function _internal_personal_data_eraser( $email, $page = 1, $per_page = 250 ) {
$removed = false;
$retained = false;
$messages = array();
$option_name = sprintf( '_jetpack_pde_feedback_%s', md5( $email ) );
$last_post_id = 1 === $page ? 0 : get_option( $option_name, 0 );
$post_ids = $this->personal_data_post_ids_by_email( $email, $per_page, $page, $last_post_id );
foreach ( $post_ids as $post_id ) {
/**
* Filters whether to erase a particular Feedback post.
*
* @since 6.3.0
*
* @param bool|string $prevention_message Whether to apply erase the Feedback post (bool).
* Custom prevention message (string). Default true.
* @param int $post_id Feedback post ID.
*/
$prevention_message = apply_filters( 'grunion_contact_form_delete_feedback_post', true, $post_id );