173 lines
4.2 KiB
PHP
173 lines
4.2 KiB
PHP
<?php
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namespace Gravity_Forms\Gravity_Forms_RECAPTCHA;
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use GF_Field;
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use GFCommon;
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use GFAPI;
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/**
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* Class GF_Field_RECAPTCHA
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*
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* @since 1.0
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*
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* @package Gravity_Forms\Gravity_Forms_RECAPTCHA
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*/
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class GF_Field_RECAPTCHA extends GF_Field {
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/**
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* Recaptcha field type.
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*
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* @since 1.0
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* @var string
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*/
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public $type = 'recaptcha';
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/**
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* Prevent the field being saved to the entry.
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*
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* @since 1.1
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* @var bool
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*/
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public $displayOnly = true;
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/**
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* Decoded field data.
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*
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* @since 1.0
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* @var object
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*/
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private $data;
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/**
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* Return empty array to prevent the field from showing up in the form editor.
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*
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* @since 1.0
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* @return array
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*/
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public function get_form_editor_button() {
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return array();
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}
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/**
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* The field markup.
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*
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* @since 1.0
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* @since 2.2.0 Updated not to output the input when a checkbox key is used.
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*
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* @param array $form The form array.
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* @param string $value The field value.
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* @param array|null $entry The entry array.
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*
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* @return string
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*/
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public function get_field_input( $form, $value = '', $entry = null ) {
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if ( gf_recaptcha()->get_connection_type() === 'enterprise' ) {
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if ( ! gf_recaptcha()->enterprise_keys_configured() ) {
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gf_recaptcha()->log_error( __METHOD__ . '(): Enterprise project and/or key not saved in the reCAPTCHA Settings.' );
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return '';
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}
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$key_type = gf_recaptcha()->get_plugin_settings_instance()->get_recaptcha_key( 'site_key_type_v3_enterprise' );
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$is_score_key = empty( $key_type ) || $key_type === 'SCORE';
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if ( ! $is_score_key ) {
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gf_recaptcha()->log_debug( __METHOD__ . '(): reCAPTCHA v3 Enterprise is not configured to use a score type key.' );
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return '';
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}
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$site_key_attr = '';
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} else {
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$plugin_settings = gf_recaptcha()->get_plugin_settings_instance();
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$site_key_attr = sprintf( "data-sitekey='%s'", esc_attr( $plugin_settings->get_recaptcha_key( 'site_key_v3' ) ) );
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}
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$this->formId = absint( rgar( $form, 'id' ) );
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$name = $this->get_input_name();
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$tabindex = GFCommon::$tab_index > 0 ? GFCommon::$tab_index ++ : 0;
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return "<div class='gf_invisible ginput_recaptchav3' {$site_key_attr} data-tabindex='{$tabindex}'>"
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. '<input id="' . esc_attr( $name ) . '" class="gfield_recaptcha_response" type="hidden" name="' . esc_attr( $name ) . '" value=""/>'
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. '</div>';
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}
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/**
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* Modify the validation result if the Recaptcha response has been altered.
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*
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* This is a callback to the gform_validation filter to allow us to validate the values in the hidden field.
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*
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* @since 1.0
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*
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* @see GF_RECAPTCHA::init()
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*
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* @param array $validation_data The validation data.
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*
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* @return array
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*/
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public function validation_check( $validation_data ) {
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$this->formId = absint( rgars( $validation_data, 'form/id' ) );
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if ( $this->is_valid_field_data() ) {
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// Set is_spam value.
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$validation_data['is_spam'] = gf_recaptcha()->is_spam_submission( rgar( $validation_data, 'form' ) );
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return $validation_data;
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}
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// Set is_valid to false and return the validation data.
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return $this->invalidate( $validation_data );
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}
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/**
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* Validates that the data in the hidden input is a valid Recaptcha entry.
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*
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* @since 1.0
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*
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* @return bool
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*/
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private function is_valid_field_data() {
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$data = rgpost( $this->get_input_name() );
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if ( empty( $data ) ) {
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gf_recaptcha()->log_debug( __METHOD__ . "(): Input {$this->get_input_name()} empty." );
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return false;
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}
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return gf_recaptcha()->get_token_verifier()->verify_submission( $data );
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}
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/**
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* Set is_valid to false on the validation data.
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*
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* @since 1.0
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*
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* @param array $validation_data The validation data.
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*
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* @return mixed
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*/
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private function invalidate( $validation_data ) {
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$validation_data['is_valid'] = false;
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return $validation_data;
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}
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/**
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* Returns the value of the input name attribute.
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*
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* @since 1.1
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* @since 1.2 Added optional form_id parameter.
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*
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* @return string
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*/
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public function get_input_name( $form_id = null ) {
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if ( $form_id ) {
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$this->formId = absint( $form_id );
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}
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return 'input_' . md5( 'recaptchav3' . gf_recaptcha()->get_version() . $this->formId );
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}
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}
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