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<?php
class WPCF7_Submission {
private static $instance;
private $contact_form; private $status = 'init'; private $posted_data = array(); private $uploaded_files = array(); private $skip_mail = false; private $response = ''; private $invalid_fields = array(); private $meta = array(); private $consent = array(); private $spam_log = array();
private function __construct() {}
public static function get_instance( WPCF7_ContactForm $contact_form = null, $args = '' ) { $args = wp_parse_args( $args, array( 'skip_mail' => false, ) );
if ( empty( self::$instance ) ) { if ( null == $contact_form ) { return null; }
self::$instance = new self; self::$instance->contact_form = $contact_form; self::$instance->skip_mail = (bool) $args['skip_mail']; self::$instance->setup_posted_data(); self::$instance->submit(); } elseif ( null != $contact_form ) { return null; }
return self::$instance; }
public static function is_restful() { return defined( 'REST_REQUEST' ) && REST_REQUEST; }
public function get_status() { return $this->status; }
public function set_status( $status ) { if ( preg_match( '/^[a-z][0-9a-z_]+$/', $status ) ) { $this->status = $status; return true; }
return false; }
public function is( $status ) { return $this->status == $status; }
public function get_response() { return $this->response; }
public function set_response( $response ) { $this->response = $response; return true; }
public function get_contact_form() { return $this->contact_form; }
public function get_invalid_field( $name ) { if ( isset( $this->invalid_fields[$name] ) ) { return $this->invalid_fields[$name]; } else { return false; } }
public function get_invalid_fields() { return $this->invalid_fields; }
public function get_posted_data( $name = '' ) { if ( ! empty( $name ) ) { if ( isset( $this->posted_data[$name] ) ) { return $this->posted_data[$name]; } else { return null; } }
return $this->posted_data; }
private function setup_posted_data() { $posted_data = (array) $_POST; $posted_data = array_diff_key( $posted_data, array( '_wpnonce' => '' ) ); $posted_data = $this->sanitize_posted_data( $posted_data );
$tags = $this->contact_form->scan_form_tags();
foreach ( (array) $tags as $tag ) { if ( empty( $tag->name ) ) { continue; }
$type = $tag->type; $name = $tag->name; $pipes = $tag->pipes;
$value_orig = $value = '';
if ( isset( $posted_data[$name] ) ) { $value_orig = $value = $posted_data[$name]; }
if ( WPCF7_USE_PIPE and $pipes instanceof WPCF7_Pipes and ! $pipes->zero() ) { if ( is_array( $value_orig ) ) { $value = array();
foreach ( $value_orig as $v ) { $value[] = $pipes->do_pipe( wp_unslash( $v ) ); } } else { $value = $pipes->do_pipe( wp_unslash( $value_orig ) ); } }
$value = apply_filters( "wpcf7_posted_data_{$type}", $value, $value_orig, $tag );
$posted_data[$name] = $value;
if ( $tag->has_option( 'consent_for:storage' ) and empty( $posted_data[$name] ) ) { $this->meta['do_not_store'] = true; } }
$this->posted_data = apply_filters( 'wpcf7_posted_data', $posted_data );
return $this->posted_data; }
private function sanitize_posted_data( $value ) { if ( is_array( $value ) ) { $value = array_map( array( $this, 'sanitize_posted_data' ), $value ); } elseif ( is_string( $value ) ) { $value = wp_check_invalid_utf8( $value ); $value = wp_kses_no_null( $value ); }
return $value; }
private function submit() { if ( ! $this->is( 'init' ) ) { return $this->status; }
$this->meta = array_merge( $this->meta, array( 'remote_ip' => $this->get_remote_ip_addr(), 'user_agent' => isset( $_SERVER['HTTP_USER_AGENT'] ) ? substr( $_SERVER['HTTP_USER_AGENT'], 0, 254 ) : '', 'url' => $this->get_request_url(), 'timestamp' => current_time( 'timestamp' ), 'unit_tag' => isset( $_POST['_wpcf7_unit_tag'] ) ? $_POST['_wpcf7_unit_tag'] : '', 'container_post_id' => isset( $_POST['_wpcf7_container_post'] ) ? (int) $_POST['_wpcf7_container_post'] : 0, 'current_user_id' => get_current_user_id(), ) );
$contact_form = $this->contact_form;
if ( $contact_form->is_true( 'do_not_store' ) ) { $this->meta['do_not_store'] = true; }
if ( ! $this->validate() ) { // Validation error occured $this->set_status( 'validation_failed' ); $this->set_response( $contact_form->message( 'validation_error' ) );
} elseif ( ! $this->accepted() ) { // Not accepted terms $this->set_status( 'acceptance_missing' ); $this->set_response( $contact_form->message( 'accept_terms' ) );
} elseif ( $this->spam() ) { // Spam! $this->set_status( 'spam' ); $this->set_response( $contact_form->message( 'spam' ) );
} elseif ( ! $this->before_send_mail() ) { if ( 'init' == $this->get_status() ) { $this->set_status( 'aborted' ); }
if ( '' === $this->get_response() ) { $this->set_response( $contact_form->filter_message( __( "Sending mail has been aborted.", 'contact-form-7' ) ) ); }
} elseif ( $this->mail() ) { $this->set_status( 'mail_sent' ); $this->set_response( $contact_form->message( 'mail_sent_ok' ) );
do_action( 'wpcf7_mail_sent', $contact_form );
} else { $this->set_status( 'mail_failed' ); $this->set_response( $contact_form->message( 'mail_sent_ng' ) );
do_action( 'wpcf7_mail_failed', $contact_form ); }
$this->remove_uploaded_files();
return $this->status; }
private function get_remote_ip_addr() { $ip_addr = '';
if ( isset( $_SERVER['REMOTE_ADDR'] ) and WP_Http::is_ip_address( $_SERVER['REMOTE_ADDR'] ) ) { $ip_addr = $_SERVER['REMOTE_ADDR']; }
return apply_filters( 'wpcf7_remote_ip_addr', $ip_addr ); }
private function get_request_url() { $home_url = untrailingslashit( home_url() );
if ( self::is_restful() ) { $referer = isset( $_SERVER['HTTP_REFERER'] ) ? trim( $_SERVER['HTTP_REFERER'] ) : '';
if ( $referer and 0 === strpos( $referer, $home_url ) ) { return esc_url_raw( $referer ); } }
$url = preg_replace( '%(?<!:|/)/.*$%', '', $home_url ) . wpcf7_get_request_uri();
return $url; }
private function validate() { if ( $this->invalid_fields ) { return false; }
require_once WPCF7_PLUGIN_DIR . '/includes/validation.php'; $result = new WPCF7_Validation();
$tags = $this->contact_form->scan_form_tags();
foreach ( $tags as $tag ) { $type = $tag->type; $result = apply_filters( "wpcf7_validate_{$type}", $result, $tag ); }
$result = apply_filters( 'wpcf7_validate', $result, $tags );
$this->invalid_fields = $result->get_invalid_fields();
return $result->is_valid(); }
private function accepted() { return apply_filters( 'wpcf7_acceptance', true, $this ); }
public function add_consent( $name, $conditions ) { $this->consent[$name] = $conditions; return true; }
public function collect_consent() { return (array) $this->consent; }
private function spam() { $spam = false;
if ( $this->contact_form->is_true( 'subscribers_only' ) and current_user_can( 'wpcf7_submit', $this->contact_form->id() ) ) { return $spam; }
$user_agent = (string) $this->get_meta( 'user_agent' );
if ( strlen( $user_agent ) < 2 ) { $spam = true;
$this->add_spam_log( array( 'agent' => 'wpcf7', 'reason' => __( "User-Agent string is unnaturally short.", 'contact-form-7' ), ) ); }
if ( ! $this->verify_nonce() ) { $spam = true;
$this->add_spam_log( array( 'agent' => 'wpcf7', 'reason' => __( "Submitted nonce is invalid.", 'contact-form-7' ), ) ); }
if ( $this->is_blacklisted() ) { $spam = true;
$this->add_spam_log( array( 'agent' => 'wpcf7', 'reason' => __( "Blacklisted words are used.", 'contact-form-7' ), ) ); }
return apply_filters( 'wpcf7_spam', $spam ); }
public function add_spam_log( $args = '' ) { $args = wp_parse_args( $args, array( 'agent' => '', 'reason' => '', ) );
$this->spam_log[] = $args; }
public function get_spam_log() { return $this->spam_log; }
private function verify_nonce() { if ( ! $this->contact_form->nonce_is_active() ) { return true; }
return wpcf7_verify_nonce( $_POST['_wpnonce'] ); }
private function is_blacklisted() { $target = wpcf7_array_flatten( $this->posted_data ); $target[] = $this->get_meta( 'remote_ip' ); $target[] = $this->get_meta( 'user_agent' ); $target = implode( "\n", $target );
return (bool) apply_filters( 'wpcf7_submission_is_blacklisted', wpcf7_blacklist_check( $target ), $this ); }
/* Mail */
private function before_send_mail() { $abort = false;
do_action_ref_array( 'wpcf7_before_send_mail', array( $this->contact_form, &$abort, $this, ) );
return ! $abort; }
private function mail() { $contact_form = $this->contact_form;
$skip_mail = apply_filters( 'wpcf7_skip_mail', $this->skip_mail, $contact_form );
if ( $skip_mail ) { return true; }
$result = WPCF7_Mail::send( $contact_form->prop( 'mail' ), 'mail' );
if ( $result ) { $additional_mail = array();
if ( $mail_2 = $contact_form->prop( 'mail_2' ) and $mail_2['active'] ) { $additional_mail['mail_2'] = $mail_2; }
$additional_mail = apply_filters( 'wpcf7_additional_mail', $additional_mail, $contact_form );
foreach ( $additional_mail as $name => $template ) { WPCF7_Mail::send( $template, $name ); }
return true; }
return false; }
public function uploaded_files() { return $this->uploaded_files; }
public function add_uploaded_file( $name, $file_path ) { $this->uploaded_files[$name] = $file_path;
if ( empty( $this->posted_data[$name] ) ) { $this->posted_data[$name] = basename( $file_path ); } }
public function remove_uploaded_files() { foreach ( (array) $this->uploaded_files as $name => $path ) { wpcf7_rmdir_p( $path );
if ( $dir = dirname( $path ) and false !== ( $files = scandir( $dir ) ) and ! array_diff( $files, array( '.', '..' ) ) ) { // remove parent dir if it's empty. rmdir( $dir ); } } }
public function get_meta( $name ) { if ( isset( $this->meta[$name] ) ) { return $this->meta[$name]; } } }
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