%PDF-
%PDF-
Mini Shell
Mini Shell
<?php if ( ! defined( 'ABSPATH' ) ) exit;
class NF_AJAX_Controllers_Submission extends NF_Abstracts_Controller
{
protected $_form_data = array();
protected $_form_cache = array();
protected $_preview_data = array();
protected $_form_id = '';
public function __construct()
{
if( isset( $_POST[ 'nf_resume' ] ) && isset( $_COOKIE[ 'nf_wp_session' ] ) ){
add_action( 'ninja_forms_loaded', array( $this, 'resume' ) );
return;
}
if( isset( $_POST['formData'] ) ) {
$this->_form_data = json_decode( $_POST['formData'], TRUE );
// php5.2 fallback
if( ! $this->_form_data ) $this->_form_data = json_decode( stripslashes( $_POST['formData'] ), TRUE );
}
add_action( 'wp_ajax_nf_ajax_submit', array( $this, 'submit' ) );
add_action( 'wp_ajax_nopriv_nf_ajax_submit', array( $this, 'submit' ) );
add_action( 'wp_ajax_nf_ajax_resume', array( $this, 'resume' ) );
add_action( 'wp_ajax_nopriv_nf_ajax_resume', array( $this, 'resume' ) );
}
public function submit()
{
$nonce_name = 'ninja_forms_display_nonce';
/**
* We've got to get the 'nonce_ts' to append to the nonce name to get
* the unique nonce we created
* */
if( isset( $_REQUEST[ 'nonce_ts' ] ) && 0 < strlen( $_REQUEST[ 'nonce_ts' ] ) ) {
$nonce_name = $nonce_name . "_" . $_REQUEST[ 'nonce_ts' ];
}
check_ajax_referer( $nonce_name, 'security' );
register_shutdown_function( array( $this, 'shutdown' ) );
$this->form_data_check();
$this->_form_id = $this->_form_data['id'];
// If we don't have a numeric form ID...
if ( ! is_numeric( $this->_form_id ) ) {
// Kick the request out without processing.
$this->_errors[] = __( 'Form does not exist.', 'ninja-forms' );
$this->_respond();
}
if( $this->is_preview() ) {
$this->_form_cache = get_user_option( 'nf_form_preview_' . $this->_form_id );
if( ! $this->_form_cache ){
$this->_errors[ 'preview' ] = __( 'Preview does not exist.', 'ninja-forms' );
$this->_respond();
}
} else {
$this->_form_cache = WPN_Helper::get_nf_cache( $this->_form_id );
}
// TODO: Update Conditional Logic to preserve field ID => [ Settings, ID ] structure.
$this->_form_data = apply_filters( 'ninja_forms_submit_data', $this->_form_data );
$this->process();
}
public function resume()
{
$this->_form_data = Ninja_Forms()->session()->get( 'nf_processing_form_data' );
$this->_form_cache = Ninja_Forms()->session()->get( 'nf_processing_form_cache' );
$this->_data = Ninja_Forms()->session()->get( 'nf_processing_data' );
$this->_data[ 'resume' ] = $_POST[ 'nf_resume' ];
$this->_form_id = $this->_data[ 'form_id' ];
unset( $this->_data[ 'halt' ] );
unset( $this->_data[ 'actions' ][ 'redirect' ] );
$this->process();
}
protected function process()
{
// Init Field Merge Tags.
$field_merge_tags = Ninja_Forms()->merge_tags[ 'fields' ];
$field_merge_tags->set_form_id( $this->_form_id );
// Init Calc Merge Tags.
$calcs_merge_tags = Ninja_Forms()->merge_tags[ 'calcs' ];
$form_settings = $this->_form_cache[ 'settings' ];
if( ! $form_settings ){
$form = Ninja_Forms()->form( $this->_form_id )->get();
$form_settings = $form->get_settings();
}
$this->_data[ 'form_id' ] = $this->_form_data[ 'form_id' ] = $this->_form_id;
$this->_data[ 'settings' ] = $form_settings;
$this->_data[ 'settings' ][ 'is_preview' ] = $this->is_preview();
$this->_data[ 'extra' ] = $this->_form_data[ 'extra' ];
/*
|--------------------------------------------------------------------------
| Fields
|--------------------------------------------------------------------------
*/
if( $this->is_preview() ){
$form_fields = $this->_form_cache[ 'fields' ];
} else {
$form_fields = Ninja_Forms()->form($this->_form_id)->get_fields();
}
/**
* The Field Processing Loop.
*
* There can only be one!
* For performance reasons, this should be the only time that the fields array is traversed.
* Anything needing to loop through fields should integrate here.
*/
$validate_fields = apply_filters( 'ninja_forms_validate_fields', true, $this->_data );
foreach( $form_fields as $key => $field ){
if( is_object( $field ) ) {
$field = array(
'id' => $field->get_id(),
'settings' => $field->get_settings()
);
}
/** Get the field ID */
/*
* TODO: Refactor data structures to match.
* Preview: Field IDs are stored as the associated array key.
* Publish: Field IDs are stored as an array key=>value pair.
*/
if( $this->is_preview() ){
$field[ 'id' ] = $key;
}
// Duplicate field ID as single variable for more readable array access.
$field_id = $field[ 'id' ];
// Check that the field ID exists in the submitted for data and has a submitted value.
if( isset( $this->_form_data[ 'fields' ][ $field_id ] ) && isset( $this->_form_data[ 'fields' ][ $field_id ][ 'value' ] ) ){
$field[ 'value' ] = $this->_form_data[ 'fields' ][ $field_id ][ 'value' ];
} else {
$field[ 'value' ] = '';
}
// Duplicate field value to settings and top level array item for backwards compatible access (ie Save Action).
$field[ 'settings' ][ 'value' ] = $field[ 'value' ];
// Duplicate field value to form cache for passing to the action filter.
$this->_form_cache[ 'fields' ][ $key ][ 'settings' ][ 'value' ] = $this->_form_data[ 'fields' ][ $field_id ][ 'value' ];
// Duplicate the Field ID for access as a setting.
$field[ 'settings' ][ 'id' ] = $field[ 'id' ];
// Combine with submitted data.
$field = array_merge( $field, $this->_form_data[ 'fields' ][ $field_id ] );
// Flatten the field array.
$field = array_merge( $field, $field[ 'settings' ] );
/** Validate the Field */
if( $validate_fields && ! isset( $this->_data[ 'resume' ] ) ){
$this->validate_field( $field );
}
/** Process the Field */
if( ! isset( $this->_data[ 'resume' ] ) ) {
$this->process_field($field);
}
$field = array_merge( $field, $this->_form_data[ 'fields' ][ $field_id ] );
// Check for field errors after processing.
if ( isset( $this->_form_data['errors']['fields'][ $field_id ] ) ) {
$this->_errors['fields'][ $field_id ] = $this->_form_data['errors']['fields'][ $field_id ];
$this->_respond();
}
/** Populate Field Merge Tag */
$field_merge_tags->add_field( $field );
$this->_data[ 'fields' ][ $field_id ] = $field;
$this->_data[ 'fields_by_key' ][ $field[ 'key' ] ] = $field;
}
/*
|--------------------------------------------------------------------------
| Check for unique field settings.
|--------------------------------------------------------------------------
*/
if ( isset ( $this->_data[ 'settings' ][ 'unique_field' ] ) && ! empty( $this->_data[ 'settings' ][ 'unique_field' ] ) ) {
/*
* Get our unique field
*/
$unique_field_key = $this->_data[ 'settings' ][ 'unique_field' ];
$unique_field_error = $this->_data[ 'settings' ][ 'unique_field_error' ];
$unique_field_id = $this->_data[ 'fields_by_key' ][ $unique_field_key ][ 'id' ];
$unique_field_value = $this->_data[ 'fields_by_key' ][ $unique_field_key ][ 'value' ];
if ( is_array( $unique_field_value ) ) {
$unique_field_value = serialize( $unique_field_value );
}
/*
* Check our db for the value submitted.
*/
global $wpdb;
$sql = $wpdb->prepare( "SELECT COUNT(m.meta_id) FROM `" . $wpdb->prefix . "postmeta` AS m LEFT JOIN `" . $wpdb->prefix . "posts` AS p ON p.id = m.post_id WHERE m.meta_key = '_field_%d' AND m.meta_value = '%s' AND p.post_status = 'publish'", $unique_field_id, $unique_field_value );
$result = $wpdb->get_results( $sql, 'ARRAY_N' );
if ( intval( $result[ 0 ][ 0 ] ) > 0 ) {
$this->_errors['fields'][ $unique_field_id ] = array( 'slug' => 'unique_field', 'message' => $unique_field_error );
$this->_respond();
}
}
/*
|--------------------------------------------------------------------------
| Calculations
|--------------------------------------------------------------------------
*/
if( isset( $this->_form_cache[ 'settings' ][ 'calculations' ] ) ) {
/**
* The Calculation Processing Loop
*/
foreach( $this->_form_cache[ 'settings' ][ 'calculations' ] as $calc ){
$eq = apply_filters( 'ninja_forms_calc_setting', $calc[ 'eq' ] );
// Scrub unmerged tags (ie deleted/non-existent fields/calcs, etc).
$eq = preg_replace( '/{([a-zA-Z0-9]|:|_|-)*}/', 0, $eq);
/**
* PHP doesn't evaluate empty strings to numbers. So check
* for any string for the decimal place
**/
$dec = ( isset( $calc[ 'dec' ] ) && '' != $calc[ 'dec' ] ) ?
$calc[ 'dec' ] : 2;
$calcs_merge_tags->set_merge_tags( $calc[ 'name' ], $eq, $dec, $this->_form_data['settings']['decimal_point'], $this->_form_data['settings']['thousands_sep'] );
$this->_data[ 'extra' ][ 'calculations' ][ $calc[ 'name' ] ] = array(
'raw' => $calc[ 'eq' ],
'parsed' => $eq,
'value' => $calcs_merge_tags->get_formatted_calc_value( $calc[ 'name' ], $dec, $this->_form_data['settings']['decimal_point'], $this->_form_data['settings']['thousands_sep'] ),
);
}
}
/*
|--------------------------------------------------------------------------
| Actions
|--------------------------------------------------------------------------
*/
/*
* TODO: This section has become convoluted, but will be refactored along with the submission controller.
*/
if( isset( $this->_data[ 'resume' ] ) && $this->_data[ 'resume' ] ){
// On Resume Submission, the action data is loaded form the session.
// This section intentionally left blank.
} elseif( ! $this->is_preview() ) {
// Published forms rely on the Database for the "truth" about Actions.
$actions = Ninja_Forms()->form($this->_form_id)->get_actions();
$this->_form_cache[ 'actions' ] = array();
foreach( $actions as $action ){
$action_id = $action->get_id();
$this->_form_cache[ 'actions' ][ $action_id ] = array(
'id' => $action_id,
'settings' => $action->get_settings()
);
}
} else {
// Previews uses user option for stored data.
$preview_data = get_user_option( 'nf_form_preview_' . $this->_form_id );
$this->_form_cache[ 'actions' ] = $preview_data[ 'actions' ];
}
/* END form cache bypass. */
// Sort Actions by Timing Order, then by Priority Order.
usort( $this->_form_cache[ 'actions' ], array( $this, 'sort_form_actions' ) );
/*
* Filter Actions so that they can be pragmatically disabled by add-ons.
*
* ninja_forms_submission_actions
* ninja_forms_submission_actions_preview
*/
$this->_form_cache[ 'actions' ] = apply_filters( 'ninja_forms_submission_actions', $this->_form_cache[ 'actions' ], $this->_form_cache, $this->_form_data );
if( $this->is_preview() ) {
$this->_form_cache['actions'] = apply_filters('ninja_forms_submission_actions_preview', $this->_form_cache['actions'], $this->_form_cache);
}
// Initialize the process actions log.
if( ! isset( $this->_data[ 'processed_actions' ] ) ) $this->_data[ 'processed_actions' ] = array();
/*
* Merging extra data that may have been added by fields during processing so that the values aren't lost when we enter the action loop.
*/
$this->_data[ 'extra' ] = array_merge( $this->_data[ 'extra' ], $this->_form_data[ 'extra' ] );
/**
* The Action Processing Loop
*/
foreach( $this->_form_cache[ 'actions' ] as $key => $action ){
/** Get the action ID */
/*
* TODO: Refactor data structures to match.
* Preview: Action IDs are stored as the associated array key.
* Publish: Action IDs are stored as an array key=>value pair.
*/
if( $this->is_preview() ){
$action[ 'id' ] = $key;
}
// Duplicate the Action ID for access as a setting.
$action[ 'settings' ][ 'id' ] = $action[ 'id' ];
// Duplicate action ID as single variable for more readable array access.
$action_id = $action[ 'id' ];
// If an action has already run (ie resume submission), do not re-process.
if( in_array( $action[ 'id' ], $this->_data[ 'processed_actions' ] ) ) continue;
$action[ 'settings' ] = apply_filters( 'ninja_forms_run_action_settings', $action[ 'settings' ], $this->_form_id, $action[ 'id' ], $this->_form_data['settings'] );
if( $this->is_preview() ){
$action[ 'settings' ] = apply_filters( 'ninja_forms_run_action_settings_preview', $action[ 'settings' ], $this->_form_id, $action[ 'id' ], $this->_form_data['settings'] );
}
if( ! $action[ 'settings' ][ 'active' ] ) continue;
if( ! apply_filters( 'ninja_forms_run_action_type_' . $action[ 'settings' ][ 'type' ], TRUE ) ) continue;
$type = $action[ 'settings' ][ 'type' ];
if( ! is_string( $type ) ) continue;
/*
* test if Ninja_Forms()->actions[ $type ] is not empty
*/
if(isset(Ninja_Forms()->actions[ $type ]))
{
$action_class = Ninja_Forms()->actions[ $type ];
if( ! method_exists( $action_class, 'process' ) ) continue;
if( $data = $action_class->process($action[ 'settings' ], $this->_form_id, $this->_data ) )
{
$this->_data = apply_filters( 'ninja_forms_post_run_action_type_' . $action[ 'settings' ][ 'type' ], $data );
}
}
// $this->_data[ 'actions' ][ $type ][] = $action;
$this->maybe_halt( $action[ 'id' ] );
}
do_action( 'ninja_forms_after_submission', $this->_data );
$this->_respond();
}
protected function validate_field( $field_settings )
{
$field_settings = apply_filters( 'ninja_forms_pre_validate_field_settings', $field_settings );
if( ! is_string( $field_settings['type'] ) ) return;
$field_class = Ninja_Forms()->fields[ $field_settings['type'] ];
if( ! method_exists( $field_class, 'validate' ) ) return;
if( $errors = $field_class->validate( $field_settings, $this->_form_data ) ){
$field_id = $field_settings[ 'id' ];
$this->_errors[ 'fields' ][ $field_id ] = $errors;
$this->_respond();
}
}
protected function process_field( $field_settings )
{
if( ! is_string( $field_settings['type'] ) ) return;
$field_class = Ninja_Forms()->fields[ $field_settings['type'] ];
if( ! method_exists( $field_class, 'process' ) ) return;
if( $data = $field_class->process( $field_settings, $this->_form_data ) ){
$this->_form_data = $data;
}
}
protected function maybe_halt( $action_id )
{
if( isset( $this->_data[ 'errors' ] ) && $this->_data[ 'errors' ] ){
$this->_respond();
}
if( isset( $this->_data[ 'halt' ] ) && $this->_data[ 'halt' ] ){
Ninja_Forms()->session()->set( 'nf_processing_data', $this->_data );
Ninja_Forms()->session()->set( 'nf_processing_form_data', $this->_form_data );
Ninja_Forms()->session()->set( 'nf_processing_form_cache', $this->_form_cache );
$this->_respond();
}
array_push( $this->_data[ 'processed_actions' ], $action_id );
}
protected function sort_form_actions( $a, $b )
{
if( is_object( $a ) ) {
if( ! isset( Ninja_Forms()->actions[ $a->get_setting( 'type' ) ] ) ) return -1;
$a = Ninja_Forms()->actions[ $a->get_setting( 'type' ) ];
} else {
if( ! isset( Ninja_Forms()->actions[ $a[ 'settings' ][ 'type' ] ] ) ) return -1;
$a = Ninja_Forms()->actions[ $a[ 'settings' ][ 'type' ] ];
}
if( is_object( $b ) ) {
if( ! isset( Ninja_Forms()->actions[ $b->get_setting( 'type' ) ] ) ) return 1;
$b = Ninja_Forms()->actions[ $b->get_setting( 'type' ) ];
} else {
if( ! isset( Ninja_Forms()->actions[ $b[ 'settings' ][ 'type' ] ] ) ) return 1;
$b = Ninja_Forms()->actions[ $b[ 'settings' ][ 'type' ] ];
}
if ( $a->get_timing() == $b->get_timing() ) {
if ( $a->get_priority() == $b->get_priority() ) {
return 0;
}
return ( $a->get_priority() < $b->get_priority() ) ? -1 : 1;
}
return ( $a->get_timing() < $b->get_timing() ) ? -1 : 1;
}
public function shutdown()
{
$error = error_get_last();
if( $error !== NULL && in_array( $error[ 'type' ], array( E_ERROR, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR ) ) ) {
$this->_errors[ 'form' ][ 'last' ] = __( 'The server encountered an error during processing.', 'ninja-forms' );
if( current_user_can( 'manage_options' ) && isset( $error[ 'message' ] ) ){
$this->_errors[ 'form' ][ 'last_admin' ] = '<pre>' . $error[ 'message' ] . '</pre>';
}
$this->_errors[ 'last' ] = $error;
Ninja_Forms()->logger()->emergency( $error[ 'message' ] );
$this->_respond();
}
}
protected function form_data_check()
{
if( $this->_form_data ) return;
if( function_exists( 'json_last_error' ) // Function not supported in php5.2
&& function_exists( 'json_last_error_msg' )// Function not supported in php5.4
&& json_last_error() ){
$this->_errors[] = json_last_error_msg();
} else {
$this->_errors[] = __( 'An unexpected error occurred.', 'ninja-forms' );
}
$this->_respond();
}
protected function is_preview()
{
if( ! isset( $this->_form_data[ 'settings' ][ 'is_preview' ] ) ) return false;
return $this->_form_data[ 'settings' ][ 'is_preview' ];
}
/*
* Overwrite method for parent class.
*/
protected function _respond( $data = array() )
{
// Set a content type of JSON for the purpose of previnting XSS attacks.
header( 'Content-Type: application/json' );
// Call the parent method.
parent::_respond();
}
}
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