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class-process.php
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<?php /** * Process and validate form entries. * * @since 1.0.0 */ class WPForms_Process { /** * Store errors. * * @since 1.0.0 * * @var array */ public $errors; /** * Store spam errors. * * @since 1.8.3 * * @var array */ public $spam_errors; /** * Spam reason. * * @since 1.8.3 * * @var string */ public $spam_reason; /** * Confirmation message. * * @var string */ public $confirmation_message; /** * Current confirmation. * * @since 1.6.9 * * @var array */ private $confirmation; /** * Store formatted fields. * * @since 1.0.0 * * @var array */ public $fields; /** * Store the ID of a successful entry. * * @since 1.2.3 * * @var int */ public $entry_id = 0; /** * Form data and settings. * * @since 1.4.5 * * @var array */ public $form_data; /** * If a valid return has was processed. * * @since 1.4.5 * * @var bool */ public $valid_hash = false; /** * Primary class constructor. * * @since 1.0.0 */ public function __construct() { $this->hooks(); } /** * Register hooks. * * @since 1.8.3 */ private function hooks() { add_action( 'wp', [ $this, 'listen' ] ); add_action( 'wp_ajax_wpforms_submit', [ $this, 'ajax_submit' ] ); add_action( 'wp_ajax_nopriv_wpforms_submit', [ $this, 'ajax_submit' ] ); } /** * Listen to see if this is a return callback or a posted form entry. * * @since 1.0.0 */ public function listen() { // Catch the post_max_size overflow. if ( $this->post_max_size_overflow() ) { return; } // phpcs:disable WordPress.Security.NonceVerification if ( ! empty( $_GET['wpforms_return'] ) ) { // Additional redirect trigger for addons. $this->entry_confirmation_redirect( '', sanitize_text_field( wp_unslash( $_GET['wpforms_return'] ) ) ); } $form_id = ! empty( $_POST['wpforms']['id'] ) ? absint( $_POST['wpforms']['id'] ) : 0; if ( ! $form_id ) { return; } // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized $this->process( wp_unslash( $_POST['wpforms'] ) ); // phpcs:enable WordPress.Security.NonceVerification /** * Runs right after the processing form entry. * * @since 1.9.0 * * @param array $fields Entry fields data. * @param array $entry_id Entry ID. * @param array $form_data Form data. */ do_action( 'wpforms_process_after', $this->fields, $this->entry_id, $this->form_data ); if ( ! wpforms_is_amp() ) { return; } // Send 400 Bad Request when there are errors. if ( empty( $this->errors[ $form_id ] ) ) { $this->entry_confirmation_redirect( $this->form_data ); wp_send_json( [ 'message' => $this->get_confirmation_message( $this->form_data, $this->fields, $this->entry_id ), ], 200 ); return; } $message_parts = [ $this->errors[ $form_id ]['header'] ]; if ( ! empty( $this->errors[ $form_id ]['recaptcha'] ) ) { $message_parts[] = $this->errors[ $form_id ]['recaptcha']; } if ( ! empty( $this->errors[ $form_id ]['footer'] ) ) { $message_parts[] = $this->errors[ $form_id ]['footer']; } wp_send_json( [ 'message' => implode( '<br>', $message_parts ), ], 400 ); } /** * Process the form entry. * * @since 1.0.0 * @since 1.6.4 Added hCaptcha support. * * @param array $entry Form submission raw data ($_POST). */ public function process( $entry ) { $this->errors = []; $this->fields = []; /* @var int $form_id Annotate the type explicitly. */ $form_id = absint( $entry['id'] ); $form = wpforms()->get( 'form' )->get( $form_id ); // Validate form is real and active (published). if ( ! $form || $form->post_status !== 'publish' ) { $this->errors[ $form_id ]['header'] = esc_html__( 'Invalid form.', 'wpforms-lite' ); return; } /** * Filter form data obtained during form process. * * @since 1.5.3 * * @param array $form_data Form data. * @param array $entry Form entry. */ $this->form_data = (array) apply_filters( 'wpforms_process_before_form_data', wpforms_decode( $form->post_content ), $entry ); $store_spam_entries = ! empty( $this->form_data['settings']['store_spam_entries'] ); /** * Check the modern Anti-Spam (v3) protection. * * Run as early as possible to remove the honeypot field from the entry to prevent unnecessary field processing. * Bail early if the form is marked as spam and storing spam entries is disabled. * * Important! We should check first on modern Anti-Spam because it is skipped in case $store_spam_entries === true. */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort /** @noinspection NotOptimalIfConditionsInspection */ if ( ! $this->modern_anti_spam_check( $entry ) && ! $store_spam_entries ) { return; } if ( ! isset( $this->form_data['fields'], $this->form_data['id'] ) ) { $error_id = uniqid( '', true ); // Logs missing form data. wpforms_log( /* translators: %s - error unique ID. */ sprintf( esc_html__( 'Missing form data on form submission process %s', 'wpforms-lite' ), $error_id ), esc_html__( 'Form data is not an array in `\WPForms_Process::process()`. It might be caused by incorrect data returned by `wpforms_process_before_form_data` filter. Verify whether you have a custom code using this filter and debug value it is returning.', 'wpforms-lite' ), [ 'type' => [ 'error', 'entry' ], 'form_id' => $form_id, ] ); $error_messages[] = esc_html__( 'Your form has not been submitted because data is missing from the entry.', 'wpforms-lite' ); if ( wpforms_setting( 'logs-enable' ) && wpforms_current_user_can( wpforms_get_capability_manage_options() ) ) { $error_messages[] = sprintf( wp_kses( /* translators: %s - URL to the WForms Logs admin page. */ __( 'Check the WPForms » Tools » <a href="%s">Logs</a> for more details.', 'wpforms-lite' ), [ 'a' => [ 'href' => [] ] ] ), esc_url( add_query_arg( [ 'page' => 'wpforms-tool', 'view' => 'logs', ], admin_url( 'admin.php' ) ) ) ); /* translators: %s - error unique ID. */ $error_messages[] = sprintf( esc_html__( 'Error ID: %s.', 'wpforms-lite' ), $error_id ); } $errors[ $form_id ]['header'] = implode( '<br>', $error_messages ); $this->errors = $errors; return; } /** * Filter form entry before processing. * Data is not validated or cleaned yet so use with caution. * * @since 1.4.0 * * @param array $entry Form submission raw data ($_POST). * @param array $form_data Form data. */ $entry = apply_filters( 'wpforms_process_before_filter', $entry, $this->form_data ); /** * Pre-process hook. * * @since 1.4.0 * * @param array $entry Form submission raw data ($_POST). * @param array $form_data Form data. */ do_action( 'wpforms_process_before', $entry, $this->form_data ); /** * Pre-process hook by form ID. * * @since 1.4.0 * * @param array $entry Form submission raw data ($_POST). * @param array $form_data Form data. */ do_action( "wpforms_process_before_{$form_id}", $entry, $this->form_data ); // Validate fields. foreach ( $this->form_data['fields'] as $field_properties ) { $field_id = $field_properties['id']; $field_type = $field_properties['type']; $field_submit = isset( $entry['fields'][ $field_id ] ) ? $entry['fields'][ $field_id ] : ''; /** * Field type validation hook. * * @since 1.4.0 * * @param int $field_id Field ID. * @param mixed $field_submit Submitted field value (raw data). * @param array $form_data Form data. */ do_action( "wpforms_process_validate_{$field_type}", $field_id, $field_submit, $this->form_data ); } // Check if combined upload size exceeds allowed maximum. $this->validate_combined_upload_size( $form ); /** * Filter initial errors. * Don't proceed if there are any errors thus far. We provide a filter * so that other features, such as conditional logic, have the ability * to adjust blocking errors. * * @since 1.4.0 * * @param array $errors List of errors. * @param array $form_data Form data. */ $errors = apply_filters( 'wpforms_process_initial_errors', $this->errors, $this->form_data ); if ( isset( $_POST['__amp_form_verify'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing if ( empty( $errors[ $form_id ] ) ) { wp_send_json( [], 200 ); } else { $verify_errors = []; foreach ( $errors[ $form_id ] as $field_id => $error_fields ) { $field = $this->form_data['fields'][ $field_id ]; $field_properties = wpforms()->get( 'frontend' )->get_field_properties( $field, $this->form_data ); if ( is_string( $error_fields ) ) { if ( $field['type'] === 'checkbox' || $field['type'] === 'radio' || $field['type'] === 'select' ) { $first = current( $field_properties['inputs'] ); $name = $first['attr']['name']; } elseif ( isset( $field_properties['inputs']['primary']['attr']['name'] ) ) { $name = $field_properties['inputs']['primary']['attr']['name']; } $verify_errors[] = [ 'name' => $name, 'message' => $error_fields, ]; } else { foreach ( $error_fields as $error_field => $error_message ) { if ( isset( $field_properties['inputs'][ $error_field ]['attr']['name'] ) ) { $name = $field_properties['inputs'][ $error_field ]['attr']['name']; } $verify_errors[] = [ 'name' => $name, 'message' => $error_message, ]; } } } wp_send_json( [ 'verifyErrors' => $verify_errors, ], 400 ); } return; } if ( ! empty( $errors[ $form_id ] ) ) { if ( empty( $errors[ $form_id ]['header'] ) && empty( $errors[ $form_id ]['footer'] ) ) { $errors[ $form_id ]['header'] = esc_html__( 'Form has not been submitted, please see the errors below.', 'wpforms-lite' ); } $this->errors = $errors; return; } // If a logged-in user fails the nonce check, we want to log the entry, disable the errors and fail silently. // Please note that logs may be disabled and in this case nothing will be logged or reported. if ( is_user_logged_in() && ( empty( $entry['nonce'] ) || ! wp_verify_nonce( $entry['nonce'], "wpforms::form_{$form_id}" ) ) ) { // Logs XSS attempt depending on log levels set. wpforms_log( 'Cross-site scripting attempt ' . uniqid( '', true ), [ true, $entry ], [ 'type' => [ 'security' ], 'form_id' => $this->form_data['id'], ] ); // Fail silently. return; } $honeypot = wpforms()->get( 'honeypot' )->validate( $this->form_data, $this->fields, $entry ); // If we trigger the honey pot, we want to log the entry, disable the errors, and fail silently. if ( $honeypot ) { $this->log_spam_entry( $entry, $honeypot ); // Fail silently. return; } $token = wpforms()->get( 'token' )->validate( $this->form_data, $this->fields, $entry ); // If spam - return early. // For antispam, we want to make sure that we have a value, we are not using AMP, and the value is an error string. if ( $token && ! wpforms_is_amp() && is_string( $token ) ) { $this->errors[ $this->form_data['id'] ]['header'] = $token; $this->log_spam_entry( $entry, $token ); return; } // Pass the form created date into the form data. $this->form_data['created'] = $form->post_date; // Format fields. foreach ( (array) $this->form_data['fields'] as $field_properties ) { $field_id = $field_properties['id']; $field_type = $field_properties['type']; $field_submit = isset( $entry['fields'][ $field_id ] ) ? $entry['fields'][ $field_id ] : ''; /** * Format field by type. * * @since 1.4.0 * * @param string $field_id Field ID. * @param string $field_submit Submitted field value. * @param array $form_data Form data and settings. */ do_action( "wpforms_process_format_{$field_type}", $field_id, $field_submit, $this->form_data ); } /** * Format form data after all fields have been processed. * This hook is for internal purposes and should not be leveraged. * * @since 1.4.0 * * @param array $form_data Form data and settings. */ do_action( 'wpforms_process_format_after', $this->form_data ); /** * Filter fields before processing. * Process hooks/filter - this is where most addons should hook * because at this point we have completed all field validation and * formatted the data. * * @since 1.4.0 * * @param array $fields Form fields. * @param array $entry Form submission raw data ($_POST). * @param array $form_data Form data and settings. */ $this->fields = apply_filters( 'wpforms_process_filter', $this->fields, $entry, $this->form_data ); /** * Process form fields. * * @since 1.4.0 * * @param array $fields Form fields. * @param array $entry Form submission raw data ($_POST). * @param array $form_data Form data and settings. */ do_action( 'wpforms_process', $this->fields, $entry, $this->form_data ); /** * Process form fields by form ID. * * @since 1.4.0 * * @param array $fields Form fields. * @param array $entry Form submission raw data ($_POST). * @param array $form_data Form data and settings. */ do_action( "wpforms_process_{$form_id}", $this->fields, $entry, $this->form_data ); // Detect direct POST requests when the AJAX submission is enabled. $this->direct_post_request_check( $entry ); if ( ! $this->is_bypass_spam_check( $entry ) ) { // Check if the form was submitted too quickly. $this->time_limit_check(); // Check for spam. $this->process_spam_check( $entry ); } // Mark submission as spam if one of the spam checks failed and spam entries are stored. $marked_as_spam = $this->spam_reason && $store_spam_entries; // Store spam reason. if ( $this->spam_reason ) { $this->form_data['spam_reason'] = $this->spam_reason; } // Convert spam errors to form errors if spam entries are not stored. if ( ! $store_spam_entries && ! empty( $this->spam_errors ) ) { $this->errors = $this->spam_errors; } /** * Filter fields after processing. * * @since 1.4.0 * * @param array $fields Form fields. * @param array $entry Form submission raw data ($_POST). * @param array $form_data Form data and settings. */ $this->fields = apply_filters( 'wpforms_process_after_filter', $this->fields, $entry, $this->form_data ); // One last error check - don't proceed if there are any errors. if ( ! empty( $this->errors[ $form_id ] ) ) { if ( empty( $this->errors[ $form_id ]['header'] ) && empty( $this->errors[ $form_id ]['footer'] ) ) { $this->errors[ $form_id ]['header'] = esc_html__( 'Form has not been submitted, please see the errors below.', 'wpforms-lite' ); } return; } // Set raw post data. $this->form_data['post_data_raw'] = [ 'page_url' => isset( $_POST['page_url'] ) ? esc_url_raw( wp_unslash( $_POST['page_url'] ) ) : '', ]; // Success - add entry to database. $this->entry_id = $this->entry_save( $this->fields, $entry, $this->form_data['id'], $this->form_data ); // Add payment to database. $payment_id = $this->payment_save( $entry ); $this->form_data['entry_meta'] = [ 'page_url' => isset( $_POST['page_url'] ) ? esc_url_raw( wp_unslash( $_POST['page_url'] ) ) : '', 'page_title' => isset( $_POST['page_title'] ) ? sanitize_text_field( wp_unslash( $_POST['page_title'] ) ) : '', 'page_id' => isset( $_POST['page_id'] ) ? absint( $_POST['page_id'] ) : '', 'referer' => esc_url_raw( (string) wp_get_referer() ), ]; // Save meta data. $this->save_meta( $this->entry_id, $this->form_data['id'] ); /** * Runs right after adding entry to the database. * * @since 1.7.7 * @since 1.8.2 Added Payment ID param. * * @param array $fields Fields data. * @param array $entry User submitted data. * @param array $form_data Form data. * @param int $entry_id Entry ID. * @param int $payment_id Payment ID. */ do_action( 'wpforms_process_entry_saved', $this->fields, $entry, $this->form_data, $this->entry_id, $payment_id ); // Fire the logic to send notification emails. $this->entry_email( $this->fields, $entry, $this->form_data, $this->entry_id, 'entry' ); // Pass completed and formatted fields in POST. $_POST['wpforms']['complete'] = $this->fields; // Pass entry ID in POST. $_POST['wpforms']['entry_id'] = $this->entry_id; // Logs entry depending on log levels set. if ( wpforms()->is_pro() ) { wpforms_log( $this->entry_id ? "Entry {$this->entry_id}" : 'Entry', $this->fields, [ 'type' => [ 'entry' ], 'parent' => $this->entry_id, 'form_id' => $this->form_data['id'], ] ); } // Does not proceed if a form is marked as spam. if ( ! $marked_as_spam ) { $this->process_complete( $form_id, $this->form_data, $this->fields, $entry, $this->entry_id ); } $this->entry_confirmation_redirect( $this->form_data ); } /** * Run the modern Anti-Spam check. * * @since 1.9.0 * * @param array $entry Form submission raw data ($_POST). * * @return bool True if the modern Anti-Spam check was passed, false otherwise. */ private function modern_anti_spam_check( array &$entry ): bool { // Skip if spam was already detected. if ( $this->spam_reason ) { return false; } /** * Allow bypassing the modern Anti-Spam check. * * @since 1.9.0 * * @param bool $bypass Whether to bypass the modern Anti-Spam check, default false. * @param array $form_data Form data. * @param array $entry Form submission raw data ($_POST). * * @return bool */ if ( (bool) apply_filters( 'wpforms_process_anti_spam_honeypot_bypass', false, $this->form_data, $entry ) ) { return true; } // Skip if the modern Anti-Spam check was passed. if ( wpforms()->get( 'anti_spam' )->validate( $this->form_data, $this->fields, $entry ) ) { return true; } $form_id = $this->form_data['id'] ?? 0; $this->spam_errors[ $form_id ]['header'] = esc_html__( 'Anti-spam Honeypot V2 verification was failed, please try again later.', 'wpforms-lite' ); $this->spam_reason = 'Honeypot V2'; // Log the spam entry depending on log levels set. $this->log_spam_entry( $entry, 'Anti-spam Honeypot V2 verification was failed.' ); return false; } /** * Detect direct POST requests when the AJAX submission is enabled. * For Anti-spam Modern (v3) enabled forms only. * * @since 1.9.0 * * @param array $entry Form submission raw data ($_POST). */ private function direct_post_request_check( array $entry ) { if ( // Skip if spam was already detected. $this->spam_reason || // Skip if the Anti-spam Modern (v3) is not enabled. empty( $this->form_data['settings']['antispam_v3'] ) ) { return; } /** * Allow bypassing the direct POST request check. * * @since 1.9.0 * * @param bool $bypass Whether to bypass the direct POST request check, default is false. * @param array $form_data Form data. * @param array $entry Form entry. */ if ( apply_filters( 'wpforms_process_anti_spam_direct_post_bypass', false, $this->form_data, $entry ) ) { return; } // phpcs:disable WordPress.Security.NonceVerification, WordPress.Security.ValidatedSanitizedInput $is_ajax_form = ! empty( $this->form_data['settings']['ajax_submit'] ); $is_post = ( $_SERVER['REQUEST_METHOD'] ?? 'GET' ) === 'POST'; $is_direct_post = ! wpforms_is_frontend_ajax() && $is_post; // phpcs:enable WordPress.Security.NonceVerification, WordPress.Security.ValidatedSanitizedInput if ( ! ( $is_ajax_form && $is_direct_post ) ) { return; } $form_id = $this->form_data['id'] ?? 0; $this->spam_errors[ $form_id ]['header'] = esc_html__( 'Direct POST requests are not allowed when the AJAX submission is enabled.', 'wpforms-lite' ); $this->spam_reason = esc_html__( 'Direct POST request', 'wpforms-lite' ); // Log the spam entry depending on log levels set. $this->log_spam_entry( $entry, 'Direct POST request form submission' ); } /** * Save entry meta data. * * @since 1.8.7 * * @param int $entry_id Entry ID. * @param int $form_id Form ID. */ protected function save_meta( $entry_id, $form_id ) { if ( ! wpforms()->is_pro() ) { return; } $meta_data = $this->form_data['entry_meta']; $entry_meta = wpforms()->get( 'entry_meta' ); foreach ( $meta_data as $type => $value ) { $entry_meta->add( [ 'entry_id' => $entry_id, 'form_id' => $form_id, 'user_id' => get_current_user_id(), 'type' => $type, 'data' => $value, ], 'entry_meta' ); } } /** * Log spam entry. * * @since 1.8.3 * * @param array $entry Form submission raw data ($_POST). * @param string $message Spam message. */ private function log_spam_entry( $entry, $message ) { // phpcs:ignore WPForms.PHP.HooksMethod.InvalidPlaceForAddingHooks // Log the spam entry message after processing the entry when the entry ID is generated. add_action( 'wpforms_process_after', static function ( $fields, $entry_id, $form_data ) use ( $entry, $message ) { wpforms_log( 'Spam Entry ' . uniqid( '', true ), [ $message, $entry ], [ 'type' => [ 'spam' ], 'form_id' => $form_data['id'] ?? 0, 'parent' => $entry_id, ] ); }, 10, 3 ); } /** * Check if the form was submitted too quickly. * * @since 1.8.3 */ private function time_limit_check() { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh /** * Allow bypassing the time limit check. * * @since 1.8.3 * * @param bool $bypass Whether to bypass the time limit check, default false. * @param array $form_data Form data. * * @return bool */ if ( apply_filters( 'wpforms_process_time_limit_check_bypass', false, $this->form_data ) ) { return; } $settings = $this->form_data['settings']; $time_limit = ! empty( $settings['anti_spam']['time_limit'] ) ? $settings['anti_spam']['time_limit'] : []; $enabled = ! empty( $time_limit['enable'] ); $duration = ! empty( $time_limit['duration'] ) ? absint( $time_limit['duration'] ) : 0; if ( ! $enabled || $duration <= 0 ) { return; } // Convert seconds to milliseconds. $duration *= 1000; //phpcs:disable WordPress.Security.NonceVerification.Missing $start = ! empty( $_POST['start_timestamp'] ) ? absint( $_POST['start_timestamp'] ) : 0; $end = ! empty( $_POST['end_timestamp'] ) ? absint( $_POST['end_timestamp'] ) : 0; //phpcs:enable WordPress.Security.NonceVerification.Missing // Filter out empty fields. $fields = array_filter( $this->fields, function( $field ) { return ! empty( $field['value'] ); } ); // Skip time limit check if the form was submitted with prefilled values. if ( $start === 0 && ! empty( $fields ) ) { return; } // If the form was submitted too quickly, add an error. if ( ( $end - $start ) < $duration || $start === 0 ) { $this->errors[ $this->form_data['id'] ]['header'] = esc_html__( 'Please wait a little longer before submitting. We’re running a quick security check.', 'wpforms-lite' ); } } /** * Process complete. * * @since 1.8.3 * * @param int $form_id Form ID. * @param array $form_data Form data and settings. * @param array $fields Fields data. * @param array $entry Form submission raw data ($_POST). * @param int $entry_id Entry ID. */ public function process_complete( $form_id, $form_data, $fields, $entry, $entry_id ) { /** * Runs right after the form has been successfully submitted. * * @since 1.0.0 * @since 1.8.3 Added $entry parameter. * * @param array $fields Fields data. * @param array $entry Form submission raw data ($_POST). * @param array $form_data Form data. * @param int $entry_id Entry ID. */ do_action( 'wpforms_process_complete', $fields, $entry, $form_data, $entry_id ); /** * Runs right after the form has been successfully submitted by form ID. * * @since 1.0.0 * @since 1.8.3 Added $entry parameter. * * @param array $fields Fields data. * @param array $entry Form submission raw data ($_POST). * @param array $form_data Form data. * @param int $entry_id Entry ID. */ do_action( "wpforms_process_complete_{$form_id}", $fields, $entry, $form_data, $entry_id ); } /** * Check for spam. * * @since 1.8.3 * * @param array $entry Form submission raw data ($_POST). */ public function process_spam_check( $entry ) { // CAPTCHA check. $this->process_captcha( $entry ); if ( $this->spam_reason ) { return; } $akismet = wpforms()->get( 'akismet' )->validate( $this->form_data, $entry ); // If Akismet marks the entry as spam, we want to log the entry and fail silently. if ( $akismet ) { $this->spam_errors[ $this->form_data['id'] ]['header'] = $akismet; // Log the spam entry depending on log levels set. $this->log_spam_entry( $entry, $akismet ); $this->spam_reason = esc_html__( 'Akismet', 'wpforms-lite' ); } } /** * Is bypass spam check. * * @since 1.8.3 * * @param array $entry Form submission raw data ($_POST). * * @return bool */ protected function is_bypass_spam_check( $entry ) { /** * Filter to bypass CAPTCHA check. * * @since 1.6.6 * * @param bool $bypass_captcha Whether to bypass CAPTCHA check. * @param array $entry Form submission raw data ($_POST). * @param array $form_data Form data. */ return apply_filters( 'wpforms_process_bypass_captcha', false, $entry, $this->form_data ); } /** * Process captcha. * * @since 1.8.0 * @since 1.8.3 Removed $captcha_settings parameter. * * @param array $entry Form submission raw data ($_POST). * * @return void */ private function process_captcha( $entry ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh,Generic.Metrics.CyclomaticComplexity.MaxExceeded // Skip if spam was already detected. if ( $this->spam_reason ) { return; } $captcha_settings = wpforms_get_captcha_settings(); if ( ! $this->allow_process_captcha( $entry, $captcha_settings ) ) { return; } $provider = $captcha_settings['provider']; $current_captcha = $this->get_captcha( $provider ); if ( empty( $current_captcha ) ) { return; } $verify_url_raw = $current_captcha['verify_url_raw']; $captcha_provider = $current_captcha['provider']; $post_key = $current_captcha['post_key']; /* translators: %s - The CAPTCHA provider name. */ $error = wpforms_setting( "{$provider}-fail-msg", sprintf( esc_html__( '%s verification failed, please try again later.', 'wpforms-lite' ), $captcha_provider ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.NonceVerification.Missing $token = ! empty( $_POST[ $post_key ] ) ? $_POST[ $post_key ] : false; $is_recaptcha_v3 = $provider === 'recaptcha' && $captcha_settings['recaptcha_type'] === 'v3'; if ( $is_recaptcha_v3 ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.NonceVerification.Missing $token = ! empty( $_POST['wpforms']['recaptcha'] ) ? $_POST['wpforms']['recaptcha'] : false; } $verify_query_arg = [ 'secret' => $captcha_settings['secret_key'], 'response' => $token, 'remoteip' => wpforms_get_ip(), ]; if ( ! $token ) { $this->errors[ $this->form_data['id'] ]['recaptcha'] = $error; return; } /* * hCaptcha uses user IP to better detect bots and their attacks on a form. * Majority of our users have GDPR disabled. * So we remove this data from the request only when it's not needed, depending on wpforms_is_collecting_ip_allowed($this->form_data) check. */ if ( ! wpforms_is_collecting_ip_allowed( $this->form_data ) ) { unset( $verify_query_arg['remoteip'] ); } /** * Change query arguments for remote call to the captcha API. * * @since 1.8.0 * * @param array $verify_query_arg The query arguments for verify URL. * @param array $form_data Form data and settings. */ $verify_query_arg = apply_filters( 'wpforms_process_captcha_verify_query_arg', $verify_query_arg, $this->form_data ); /** * Filter the CAPTCHA verify URL. * * @since 1.6.4 * @since 1.8.0 Added $form_data argument. * * @param string $verify_url The full CAPTCHA verify URL. * @param string $verify_url_raw The CAPTCHA verify URL without query. * @param array $verify_query_arg The query arguments for verify URL. * @param array $form_data Form data and settings. */ $verify_url = apply_filters( 'wpforms_process_captcha_verify_url', $verify_url_raw, $verify_url_raw, $verify_query_arg, $this->form_data ); $response = wp_remote_post( $verify_url, [ 'body' => $verify_query_arg ] ); $response_body = json_decode( wp_remote_retrieve_body( $response ), false ); if ( empty( $response_body->success ) || ( $is_recaptcha_v3 && $response_body->score <= wpforms_setting( 'recaptcha-v3-threshold', '0.4' ) ) ) { if ( $is_recaptcha_v3 && isset( $response_body->score ) ) { $error .= ' (' . esc_html( $response_body->score ) . ')'; } $this->spam_errors[ $this->form_data['id'] ]['recaptcha'] = $error; $this->log_spam_entry( $entry, $error ); $this->spam_reason = $captcha_provider; } } /** * Check if CAPTCHA processing is allowed. * * @since 1.8.3 * * @param array $entry Form entry data. * @param array $captcha_settings CAPTCHA settings. * * @return bool */ private function allow_process_captcha( $entry, $captcha_settings ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh // Skip captcha processing if AMP form. if ( isset( $_POST['__amp_form_verify'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing return false; } // Skip captcha processing if provider is not set. if ( empty( $captcha_settings['provider'] ) ) { return false; } $provider = $captcha_settings['provider']; // Skip captcha processing if provider is set to none. if ( $provider === 'none' ) { return false; } // Skip captcha processing if site key or secret key is empty. if ( empty( $captcha_settings['site_key'] ) || empty( $captcha_settings['secret_key'] ) ) { return false; } $form_data_settings = isset( $this->form_data['settings'] ) ? $this->form_data['settings'] : []; $is_recaptcha = isset( $form_data_settings['recaptcha'] ) && (int) $form_data_settings['recaptcha'] === 1; // Skip captcha processing if reCAPTCHA is disabled for this form. if ( ! $is_recaptcha ) { return false; } $recaptcha_type = $captcha_settings['recaptcha_type']; $is_recaptcha_v3 = $provider === 'recaptcha' && $recaptcha_type === 'v3'; // Skip captcha processing on AMP if not using reCAPTCHA v3. AMP requires Google reCAPTCHA v3. if ( ! $is_recaptcha_v3 && wpforms_is_amp() ) { return false; } return true; } /** * Get all available CAPTCHA providers. * * @since 1.8.3 * * @return array */ private function get_captcha_providers() { /** * Filter the CAPTCHA providers. * * @since 1.8.3 * * @param array $providers The CAPTCHA providers. */ return apply_filters( 'wpforms_process_captcha_providers', [ 'hcaptcha' => [ 'verify_url_raw' => 'https://hcaptcha.com/siteverify', 'provider' => 'hCaptcha', 'post_key' => 'h-captcha-response', ], 'recaptcha' => [ 'verify_url_raw' => 'https://www.google.com/recaptcha/api/siteverify', 'provider' => 'Google reCAPTCHA', 'post_key' => 'g-recaptcha-response', ], 'turnstile' => [ 'verify_url_raw' => 'https://challenges.cloudflare.com/turnstile/v0/siteverify', 'provider' => 'Cloudflare Turnstile', 'post_key' => 'cf-turnstile-response', // The key is specified by the API. ], ] ); } /** * Get CAPTCHA provider data. * * @since 1.8.3 * * @param string $provider CAPTCHA provider. * * @return array */ private function get_captcha( $provider ) { $captcha_providers = $this->get_captcha_providers(); if ( ! isset( $captcha_providers[ $provider ] ) ) { return []; } return $captcha_providers[ $provider ]; } /** * Check if combined upload size exceeds allowed maximum. * * @since 1.6.0 * * @param \WP_Post $form Form post object. */ public function validate_combined_upload_size( $form ) { $form_id = (int) $form->ID; $upload_fields = wpforms_get_form_fields( $form, [ 'file-upload' ] ); if ( ! empty( $upload_fields ) && ! empty( $_FILES ) ) { // Get $_FILES keys generated by WPForms only. $files_keys = preg_filter( '/^/', 'wpforms_' . $form_id . '_', array_keys( $upload_fields ) ); // Filter uploads without errors. Individual errors are handled by WPForms_Field_File_Upload class. $files = wp_list_filter( wp_array_slice_assoc( $_FILES, $files_keys ), [ 'error' => 0 ] ); $files_size = array_sum( wp_list_pluck( $files, 'size' ) ); $files_size_max = wpforms_max_upload( true ); if ( $files_size > $files_size_max ) { // Add new header error preserving previous ones. $this->errors[ $form_id ]['header'] = ! empty( $this->errors[ $form_id ]['header'] ) ? $this->errors[ $form_id ]['header'] . '<br>' : ''; $this->errors[ $form_id ]['header'] .= esc_html__( 'Uploaded files combined size exceeds allowed maximum.', 'wpforms-lite' ); } } } /** * Validate the form return hash. * * @since 1.0.0 * * @param string $hash Base64-encoded hash of form and entry IDs. * * @return array|false False for invalid or form id. */ public function validate_return_hash( $hash = '' ) { $query_args = base64_decode( $hash ); parse_str( $query_args, $output ); // Verify hash matches. if ( wp_hash( $output['form_id'] . ',' . $output['entry_id'] ) !== $output['hash'] ) { return false; } // Get lead and verify it is attached to the form we received with it. $entry = wpforms()->get( 'entry' )->get( $output['entry_id'], [ 'cap' => false ] ); if ( empty( $entry->form_id ) ) { return false; } if ( $output['form_id'] !== $entry->form_id ) { return false; } return [ 'form_id' => absint( $output['form_id'] ), 'entry_id' => absint( $output['form_id'] ), 'fields' => $entry !== null && isset( $entry->fields ) ? $entry->fields : [], ]; } /** * Check if the confirmation data are valid. * * @since 1.6.4 * * @param array $data The confirmation data. * * @return bool */ protected function is_valid_confirmation( $data ) { if ( empty( $data['type'] ) ) { return false; } // Confirmation type: redirect, page or message. $type = $data['type']; return isset( $data[ $type ] ) && ! wpforms_is_empty_string( $data[ $type ] ); } /** * Redirect user to a page or URL specified in the form confirmation settings. * * @since 1.0.0 * * @param array $form_data Form data and settings. * @param string $hash Base64-encoded hash of form and entry IDs. */ public function entry_confirmation_redirect( $form_data = [], $hash = '' ) { // Maybe process return hash. if ( ! empty( $hash ) ) { $hash_data = $this->validate_return_hash( $hash ); if ( ! $hash_data || ! is_array( $hash_data ) ) { return; } $this->valid_hash = true; $this->entry_id = absint( $hash_data['entry_id'] ); $this->fields = json_decode( $hash_data['fields'], true ); $this->form_data = wpforms()->get( 'form' )->get( absint( $hash_data['form_id'] ), [ 'content_only' => true, ] ); } else { $this->form_data = $form_data; } // Backward compatibility. if ( empty( $this->form_data['settings']['confirmations'] ) ) { $this->form_data['settings']['confirmations'][1]['type'] = ! empty( $this->form_data['settings']['confirmation_type'] ) ? $this->form_data['settings']['confirmation_type'] : 'message'; $this->form_data['settings']['confirmations'][1]['message'] = ! empty( $this->form_data['settings']['confirmation_message'] ) ? $this->form_data['settings']['confirmation_message'] : esc_html__( 'Thanks for contacting us! We will be in touch with you shortly.', 'wpforms-lite' ); $this->form_data['settings']['confirmations'][1]['message_scroll'] = ! empty( $this->form_data['settings']['confirmation_message_scroll'] ) ? $this->form_data['settings']['confirmation_message_scroll'] : 1; $this->form_data['settings']['confirmations'][1]['page'] = ! empty( $this->form_data['settings']['confirmation_page'] ) ? $this->form_data['settings']['confirmation_page'] : ''; $this->form_data['settings']['confirmations'][1]['redirect'] = ! empty( $this->form_data['settings']['confirmation_redirect'] ) ? $this->form_data['settings']['confirmation_redirect'] : ''; } if ( empty( $this->form_data['settings']['confirmations'] ) || ! is_array( $this->form_data['settings']['confirmations'] ) ) { return; } $confirmations = $this->form_data['settings']['confirmations']; // Reverse sort confirmations by id to process newer ones first. krsort( $confirmations ); $default_confirmation_key = min( array_keys( $confirmations ) ); foreach ( $confirmations as $confirmation_id => $confirmation ) { // Last confirmation should execute in any case. if ( $default_confirmation_key === $confirmation_id ) { break; } if ( ! $this->is_valid_confirmation( $confirmation ) ) { continue; } // phpcs:disable WPForms.PHP.ValidateHooks.InvalidHookName /** * Process confirmation filter. * * @since 1.4.8 * * @param bool $process Whether to process the logic or not. * @param array $fields List of submitted fields. * @param array $form_data Form data and settings. * @param int $id Confirmation ID. */ $process_confirmation = apply_filters( 'wpforms_entry_confirmation_process', true, $this->fields, $this->form_data, $confirmation_id ); // phpcs:enable WPForms.PHP.ValidateHooks.InvalidHookName if ( $process_confirmation ) { break; } } $url = ''; // Redirect if needed, to either a page or URL, after form processing. if ( ! empty( $confirmations[ $confirmation_id ]['type'] ) && 'message' !== $confirmations[ $confirmation_id ]['type'] ) { if ( $confirmations[ $confirmation_id ]['type'] === 'redirect' ) { $rawurlencode_callback = static function ( $value ) { return $value === null ? null : rawurlencode( $value ); }; add_filter( 'wpforms_smarttags_process_field_id_value', $rawurlencode_callback ); $url = wpforms_process_smart_tags( $confirmations[ $confirmation_id ]['redirect'], $this->form_data, $this->fields, $this->entry_id, 'confirmation_redirect' ); remove_filter( 'wpforms_smarttags_process_field_id_value', $rawurlencode_callback ); } if ( 'page' === $confirmations[ $confirmation_id ]['type'] ) { $url = get_permalink( (int) $confirmations[ $confirmation_id ]['page'] ); } } if ( ! empty( $url ) ) { $url = apply_filters( 'wpforms_process_redirect_url', $url, $this->form_data['id'], $this->fields, $this->form_data, $this->entry_id ); if ( wpforms_is_amp() ) { /** This filter is documented in wp-includes/pluggable.php */ $url = apply_filters( 'wp_redirect', $url, 302 ); $url = wp_sanitize_redirect( $url ); header( sprintf( 'AMP-Redirect-To: %s', $url ) ); header( 'Access-Control-Expose-Headers: AMP-Redirect-To', false ); wp_send_json( [ 'message' => __( 'Redirecting…', 'wpforms-lite' ), 'redirecting' => true, ], 200 ); } else { wp_redirect( esc_url_raw( $url ) ); // phpcs:ignore } do_action( 'wpforms_process_redirect', $this->form_data['id'] ); do_action( "wpforms_process_redirect_{$this->form_data['id']}", $this->form_data['id'] ); exit; } // Pass a message to a frontend if no redirection happened. if ( ! empty( $confirmations[ $confirmation_id ]['type'] ) && 'message' === $confirmations[ $confirmation_id ]['type'] ) { $this->confirmation = $confirmations[ $confirmation_id ]; $this->confirmation_message = $confirmations[ $confirmation_id ]['message']; if ( ! empty( $confirmations[ $confirmation_id ]['message_scroll'] ) ) { wpforms()->get( 'frontend' )->confirmation_message_scroll = true; } } } /** * Get confirmation message. * * @since 1.5.3 * * @param array $form_data Form data and settings. * @param array $fields Sanitized field data. * @param int $entry_id Entry id. * * @return string Confirmation message. */ public function get_confirmation_message( $form_data, $fields, $entry_id ) { if ( empty( $this->confirmation_message ) ) { return ''; } $confirmation_message = wpforms_process_smart_tags( $this->confirmation_message, $form_data, $fields, $entry_id, 'confirmation' ); $confirmation_message = apply_filters( 'wpforms_frontend_confirmation_message', wpautop( $confirmation_message ), $form_data, $fields, $entry_id ); return $confirmation_message; } /** * Get current confirmation. * * @since 1.6.9 * * @return array */ public function get_current_confirmation() { return ! empty( $this->confirmation ) ? $this->confirmation : []; } /** * Catch the post_max_size overflow. * * @since 1.5.2 * * @return bool */ public function post_max_size_overflow() { // phpcs:disable WordPress.Security.NonceVerification if ( empty( $_SERVER['CONTENT_LENGTH'] ) || empty( $_GET['wpforms_form_id'] ) ) { return false; } $form_id = (int) $_GET['wpforms_form_id']; $total_size = (int) $_SERVER['CONTENT_LENGTH']; $post_max_size = wpforms_size_to_bytes( ini_get( 'post_max_size' ) ); if ( ! ( $total_size > $post_max_size && empty( $_POST ) && $form_id > 0 ) ) { return false; } // phpcs:enable WordPress.Security.NonceVerification $error_msg = esc_html__( 'Form has not been submitted, please see the errors below.', 'wpforms-lite' ); $error_msg .= '<br>' . sprintf( /* translators: %1$.3f - total size of the selected files in megabytes, %2$.3f - allowed file upload limit in megabytes.*/ esc_html__( 'The total size of the selected files %1$.3f MB exceeds the allowed limit %2$.3f MB.', 'wpforms-lite' ), esc_html( $total_size / 1048576 ), esc_html( $post_max_size / 1048576 ) ); $this->errors[ $form_id ]['header'] = $error_msg; return true; } /** * Send entry email notifications. * * @since 1.0.0 * * @param array $fields List of fields. * @param array $entry Submitted form entry. * @param array $form_data Form data and settings. * @param int $entry_id Saved entry id. * @param string $context In which context this email is sent. */ public function entry_email( $fields, $entry, $form_data, $entry_id, $context = '' ) { // Check that the form was configured for email notifications. if ( empty( $form_data['settings']['notification_enable'] ) ) { return; } /** * Allow entry email notifications to be disabled. * * @since 1.0.0 * * @param bool $enabled Whether to send the email. * @param array $fields List of fields. * @param array $entry Form submission raw data. * @param array $form_data Form data and settings. */ if ( ! apply_filters( 'wpforms_entry_email', true, $fields, $entry, $form_data ) ) { // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName return; } // Make sure we have and entry id. if ( empty( $this->entry_id ) ) { $this->entry_id = (int) $entry_id; } /** * Filter entry email notifications data. * * @since 1.0.0 * * @param array $fields List of fields. * @param array $entry Form submission raw data. * @param array $form_data Form data and settings. */ $fields = apply_filters( 'wpforms_entry_email_data', $fields, $entry, $form_data ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName // Backwards compatibility for notifications before v1.4.3. if ( empty( $form_data['settings']['notifications'] ) && ! empty( $form_data['settings']['notification_email'] ) ) { $notifications[1] = [ 'email' => $form_data['settings']['notification_email'], 'subject' => $form_data['settings']['notification_subject'], 'sender_name' => $form_data['settings']['notification_fromname'], 'sender_address' => $form_data['settings']['notification_fromaddress'], 'replyto' => $form_data['settings']['notification_replyto'], 'message' => '{all_fields}', ]; } else { $notifications = $form_data['settings']['notifications']; } foreach ( $notifications as $notification_id => $notification ) : if ( empty( $notification['email'] ) ) { continue; } /** * Allow entry email notifications to be disabled for a specific notification. * * @since 1.0.0 * * @param bool $enabled Whether to send the email. * @param array $fields List of fields. * @param array $form_data Form data and settings. * @param int $notification_id Notification ID. * @param string $context In which context this email is sent. */ $process_email = apply_filters( 'wpforms_entry_email_process', true, $fields, $form_data, $notification_id, $context ); if ( ! $process_email ) { continue; } $email = []; $is_carboncopy_enabled = wpforms_setting( 'email-carbon-copy', false ); // Setup email properties. $email['subject'] = ! empty( $notification['subject'] ) ? $notification['subject'] : sprintf( /* translators: %s - form name. */ esc_html__( 'New %s Entry', 'wpforms-lite' ), $form_data['settings']['form_title'] ); $email['address'] = explode( ',', wpforms_process_smart_tags( $notification['email'], $form_data, $fields, $this->entry_id, 'notification-send-to-email' ) ); $email['address'] = array_filter( array_map( 'sanitize_email', $email['address'] ) ); $email['sender_address'] = ! empty( $notification['sender_address'] ) ? $notification['sender_address'] : get_option( 'admin_email' ); $email['sender_name'] = ! empty( $notification['sender_name'] ) ? $notification['sender_name'] : get_bloginfo( 'name' ); $email['replyto'] = ! empty( $notification['replyto'] ) ? $notification['replyto'] : false; $email['message'] = ! empty( $notification['message'] ) ? $notification['message'] : '{all_fields}'; $email['template'] = ! empty( $notification['template'] ) ? $notification['template'] : ''; if ( $is_carboncopy_enabled && ! empty( $notification['carboncopy'] ) ) { $email['carboncopy'] = explode( ',', wpforms_process_smart_tags( $notification['carboncopy'], $form_data, $fields, $this->entry_id, 'notification-carboncopy' ) ); $email['carboncopy'] = array_filter( array_map( 'sanitize_email', $email['carboncopy'] ) ); } /** * Filter entry email notifications attributes. * * @since 1.0.0 * * @param array $email Email attributes. * @param array $fields List of fields. * @param array $entry Form submission raw data. * @param array $form_data Form data and settings. * @param int $notification_id Notification ID. */ $email = apply_filters( 'wpforms_entry_email_atts', $email, $fields, $entry, $form_data, $notification_id ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName // Create new email. $emails = ( new WPForms\Emails\Notifications() )->init( $email['template'] ); $emails->__set( 'form_data', $form_data ); $emails->__set( 'fields', $fields ); $emails->__set( 'notification_id', $notification_id ); $emails->__set( 'entry_id', $this->entry_id ); $emails->__set( 'from_name', $email['sender_name'] ); $emails->__set( 'from_address', $email['sender_address'] ); $emails->__set( 'reply_to', $email['replyto'] ); // Reset headers to support multiple notifications. They will be set on send. $emails->__set( 'headers', null ); // Maybe include CC. if ( $is_carboncopy_enabled && ! empty( $email['carboncopy'] ) ) { $emails->__set( 'cc', $email['carboncopy'] ); } /** * Filter entry email notifications before sending. * * @since 1.0.0 * * @param object $emails WPForms_WP_Emails instance. */ $emails = apply_filters( 'wpforms_entry_email_before_send', $emails ); // Go. foreach ( $email['address'] as $address ) { $emails->send( trim( $address ), $email['subject'], $email['message'] ); } endforeach; } /** * Save entry to database. * * @since 1.0.0 * * @param array $fields List of form fields. * @param array $entry User submitted data. * @param int $form_id Form ID. * @param array $form_data Prepared form settings. * * @return int */ public function entry_save( $fields, $entry, $form_id, $form_data = [] ) { $fields = $this->remove_raw_data_before_save( $fields ); /** * Fires on entry save. * * @since 1.0.0 * * @param array $fields List of form fields. * @param array $entry Form submission raw data. * @param int $form_id Form ID. * @param array $form_data Prepared form settings. */ do_action( 'wpforms_process_entry_save', $fields, $entry, $form_id, $form_data ); return $this->entry_id; } /** * Remove raw data from fields before saving. * This is needed to prevent raw password data from being saved to the database. * * @since 1.8.6 * * @param array $fields List of form fields. * * @return array */ private function remove_raw_data_before_save( array $fields ): array { foreach ( $fields as $key => $field ) { if ( ! empty( $field['type'] ) && $field['type'] === 'password' ) { unset( $fields[ $key ]['value_raw'] ); } } return $fields; } /** * Save payment to the database. * * @since 1.8.2 * * @param array $entry User submitted data. * * @return int Payment ID. */ private function payment_save( $entry ) { if ( ! wpforms_has_payment( 'entry', $this->fields ) ) { return 0; } $entry['entry_id'] = $this->entry_id; $form_submission = wpforms()->get( 'submission' )->register( $this->fields, $entry, $this->form_data['id'], $this->form_data ); // Prepare the payment data. $payment_data = $form_submission->prepare_payment_data(); // Bail early in case payment field exists, // but no payment data was provided (e.g. old payment addon is used). if ( empty( $payment_data['gateway'] ) ) { return 0; } // Create payment. $payment_id = wpforms()->get( 'payment' )->add( $payment_data ); if ( ! $payment_id ) { return 0; } // Insert payment meta. wpforms()->get( 'payment_meta' )->bulk_add( $payment_id, $form_submission->prepare_payment_meta() ); /** * Fire after payment was saved to database. * * @since 1.8.2 * * @param int $payment_id Payment id. * @param array $fields Form fields. * @param array $form_data Form data. */ do_action( 'wpforms_process_payment_saved', $payment_id, $this->fields, $this->form_data ); return $payment_id; } /** * Process AJAX form submit. * * @since 1.5.3 */ public function ajax_submit() { // phpcs:disable WordPress.Security.NonceVerification.Missing $form_id = isset( $_POST['wpforms']['id'] ) ? absint( $_POST['wpforms']['id'] ) : 0; if ( empty( $form_id ) ) { wp_send_json_error(); } if ( isset( $_POST['wpforms']['post_id'] ) ) { // We don't have a global $post when processing ajax requests. // Therefore, it's needed to set a global $post manually for compatibility with functions used in smart tag processing. global $post; // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited $post = WP_Post::get_instance( absint( $_POST['wpforms']['post_id'] ) ); } // phpcs:enable WordPress.Security.NonceVerification.Missing add_filter( 'wp_redirect', [ $this, 'ajax_process_redirect' ], 999 ); do_action( 'wpforms_ajax_submit_before_processing', $form_id ); // If redirect happens in listen(), ajax_process_redirect() gets executed because of the filter on `wp_redirect`. // The code, that is below listen(), runs only if no redirect happened. $this->listen(); $form_data = $this->form_data; if ( empty( $form_data ) ) { $form_data = wpforms()->get( 'form' )->get( $form_id, [ 'content_only' => true ] ); $form_data = apply_filters( 'wpforms_frontend_form_data', $form_data ); } if ( ! empty( $this->errors[ $form_id ] ) ) { $this->ajax_process_errors( $form_id, $form_data ); wp_send_json_error(); } ob_start(); wpforms()->get( 'frontend' )->confirmation( $form_data ); $response = apply_filters( 'wpforms_ajax_submit_success_response', [ 'confirmation' => ob_get_clean() ], $form_id, $form_data ); do_action( 'wpforms_ajax_submit_completed', $form_id, $response ); wp_send_json_success( $response ); } /** * Process AJAX errors. * * @since 1.5.3 * @todo This should be re-used/combined for AMP verify-xhr requests. * * @param int $form_id Form ID. * @param array $form_data Form data and settings. */ protected function ajax_process_errors( $form_id, $form_data ) { $errors = isset( $this->errors[ $form_id ] ) ? $this->errors[ $form_id ] : []; $errors = apply_filters( 'wpforms_ajax_submit_errors', $errors, $form_id, $form_data ); if ( empty( $errors ) ) { wp_send_json_error(); } // General errors are errors that cannot be populated with jQuery Validate plugin. $general_errors = array_intersect_key( $errors, array_flip( [ 'header', 'footer', 'recaptcha' ] ) ); foreach ( $general_errors as $key => $error ) { ob_start(); wpforms()->get( 'frontend' )->form_error( $key, $error, $form_data ); $general_errors[ $key ] = ob_get_clean(); } $fields = isset( $form_data['fields'] ) ? $form_data['fields'] : []; // Get registered fields errors only. $field_errors = array_intersect_key( $errors, $fields ); // Transform field ids to field names for jQuery Validate plugin. foreach ( $field_errors as $key => $error ) { $name = $this->ajax_error_field_name( $fields[ $key ], $form_data, $error ); if ( $name ) { $field_errors[ $name ] = $error; } unset( $field_errors[ $key ] ); } $response = []; if ( $general_errors ) { $response['errors']['general'] = $general_errors; } if ( $field_errors ) { $response['errors']['field'] = $field_errors; } $response = apply_filters( 'wpforms_ajax_submit_errors_response', $response, $form_id, $form_data ); do_action( 'wpforms_ajax_submit_completed', $form_id, $response ); wp_send_json_error( $response ); } /** * Get field name for an ajax error message. * * @since 1.6.3 * * @param array $field Field settings. * @param array $form_data Form data and settings. * @param string|string[] $error Error message. * * @return string */ private function ajax_error_field_name( array $field, array $form_data, $error ): string { $props = wpforms()->get( 'frontend' )->get_field_properties( $field, $form_data ); /** * Filter the field name for an ajax error message. * * @since 1.6.3 * * @param string $name Error field name. * @param array $field Field. * @param array $props Field properties. * @param string|string[] $error Error message. */ return (string) apply_filters( 'wpforms_process_ajax_error_field_name', '', $field, $props, $error ); } /** * Process AJAX redirect. * * @since 1.5.3 * * @param string $url Redirect URL. */ public function ajax_process_redirect( $url ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing $form_id = isset( $_POST['wpforms']['id'] ) ? absint( $_POST['wpforms']['id'] ) : 0; if ( empty( $form_id ) ) { wp_send_json_error(); } $response = [ 'form_id' => $form_id, 'redirect_url' => $url, ]; $response = apply_filters( 'wpforms_ajax_submit_redirect', $response, $form_id, $url ); do_action( 'wpforms_ajax_submit_completed', $form_id, $response ); wp_send_json_success( $response ); } }
/home/sudancam/public_html/0d544/../shop/../wp-content/plugins/./wpforms-lite/includes/class-process.php