%PDF- %PDF-
Direktori : /var/www/projetos/fungraca.org.br/wp-content/plugins/wpforms-lite/src/Frontend/ |
Current File : /var/www/projetos/fungraca.org.br/wp-content/plugins/wpforms-lite/src/Frontend/Captcha.php |
<?php namespace WPForms\Frontend; /** * Captcha class. * * @since 1.8.1 */ class Captcha { /** * Initialize class. * * @since 1.8.1 */ public function init() { $this->hooks(); } /** * Register hooks. * * @since 1.8.1 */ private function hooks() { // Filters. add_filter( 'script_loader_tag', [ $this, 'set_defer_attribute' ], 10, 3 ); // Actions. add_action( 'wpforms_frontend_output', [ $this, 'recaptcha' ], 20, 5 ); add_action( 'wp_enqueue_scripts', [ $this, 'recaptcha_noconflict' ], 9999 ); add_action( 'wp_footer', [ $this, 'recaptcha_noconflict' ], 19 ); add_action( 'wpforms_wp_footer', [ $this, 'assets_recaptcha' ] ); } /** * CAPTCHA output if configured. * * @since 1.8.1 * * @param array $form_data Form data and settings. * @param null $deprecated Deprecated in v1.3.7, previously was $form object. * @param bool $title Whether to display form title. * @param bool $description Whether to display form description. * @param array $errors List of all errors filled in WPForms_Process::process(). * * @noinspection HtmlUnknownAttribute * @noinspection PhpUnusedParameterInspection */ public function recaptcha( $form_data, $deprecated, $title, $description, $errors ) { // Check that CAPTCHA is configured in the settings. $captcha_settings = $this->get_form_captcha_settings( $form_data ); if ( ! $captcha_settings ) { return; } /** * Filters captcha sitekey. * * @since 1.7.1 * * @param array $sitekey Sitekey. * @param array $form_data Form data and settings. */ $data = apply_filters( // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName 'wpforms_frontend_recaptcha', [ 'sitekey' => $captcha_settings['site_key'] ], $form_data ); if ( $captcha_settings['provider'] === 'recaptcha' && $captcha_settings['recaptcha_type'] === 'invisible' ) { $data['size'] = 'invisible'; } if ( $captcha_settings['provider'] === 'turnstile' ) { /** * Filter Turnstile action value. * * @since 1.8.1 * * @param string $action Action value. Can only contain up to 32 alphanumeric characters including _ and -. * @param array $form_data Form data and settings. */ $data['action'] = apply_filters( // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName 'wpforms_frontend_recaptcha_turnstile_action', sprintf( 'FormID-%d', $form_data['id'] ), $form_data ); } $frontend_obj = wpforms()->get( 'frontend' ); printf( '<div class="wpforms-recaptcha-container wpforms-is-%s" %s>', sanitize_html_class( $captcha_settings['provider'] ), $frontend_obj->pages ? 'style="display:none;"' : '' ); echo '<div ' . wpforms_html_attributes( '', [ 'g-recaptcha' ], $data ) . '></div>'; if ( ! ( $captcha_settings['provider'] === 'recaptcha' && $captcha_settings['recaptcha_type'] === 'invisible' ) ) { echo sprintf( '<input type="text" name="g-recaptcha-hidden" class="wpforms-recaptcha-hidden" style="position:absolute!important;clip:rect(0,0,0,0)!important;height:1px!important;width:1px!important;border:0!important;overflow:hidden!important;padding:0!important;margin:0!important;" data-rule-%1$s="1">', esc_attr( $captcha_settings['provider'] ) ); } if ( ! empty( $errors['recaptcha'] ) ) { $frontend_obj->form_error( 'recaptcha', $errors['recaptcha'] ); } echo '</div>'; } /** * Get captcha settings for form output. * Return null if captcha is disabled. * * @since 1.8.1 * * @param array $form_data Form data and settings. * * @return array|null * @noinspection NullPointerExceptionInspection */ private function get_form_captcha_settings( $form_data ) { $captcha_settings = wpforms_get_captcha_settings(); if ( empty( $captcha_settings['provider'] ) || $captcha_settings['provider'] === 'none' || empty( $captcha_settings['site_key'] ) || empty( $captcha_settings['secret_key'] ) ) { return null; } // Check that the CAPTCHA is configured for the specific form. if ( ! isset( $form_data['settings']['recaptcha'] ) || $form_data['settings']['recaptcha'] !== '1' ) { return null; } $is_recaptcha_v3 = $captcha_settings['provider'] === 'recaptcha' && $captcha_settings['recaptcha_type'] === 'v3'; if ( wpforms()->get( 'amp' )->output_captcha( $is_recaptcha_v3, $captcha_settings, $form_data ) ) { return null; } if ( $is_recaptcha_v3 ) { echo '<input type="hidden" name="wpforms[recaptcha]" value="">'; return null; } return $captcha_settings; } /** * Google reCAPTCHA no-conflict mode. * * When enabled in the WPForms settings, forcefully remove all other * reCAPTCHA enqueues to prevent conflicts. Filter can be used to target * specific pages, etc. * * @since 1.4.5 * @since 1.6.4 Added hCaptcha support. */ public function recaptcha_noconflict() { $captcha_settings = wpforms_get_captcha_settings(); if ( empty( $captcha_settings['provider'] ) || $captcha_settings['provider'] === 'none' || empty( wpforms_setting( 'recaptcha-noconflict' ) ) || /** * Filters recaptcha no conflict flag. * * @since 1.6.4 * * @param bool $recaptcha_no_conflict No conflict flag. */ ! apply_filters( 'wpforms_frontend_recaptcha_noconflict', true ) // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName ) { return; } $scripts = wp_scripts(); $urls = [ 'google.com/recaptcha', 'gstatic.com/recaptcha', 'hcaptcha.com/1' ]; foreach ( $scripts->queue as $handle ) { // Skip the WPForms javascript-assets. if ( ! isset( $scripts->registered[ $handle ] ) || false !== strpos( $scripts->registered[ $handle ]->handle, 'wpforms' ) ) { return; } foreach ( $urls as $url ) { if ( false !== strpos( $scripts->registered[ $handle ]->src, $url ) ) { wp_dequeue_script( $handle ); wp_deregister_script( $handle ); break; } } } } /** * Load the assets needed for the CAPTCHA. * * @since 1.6.2 * @since 1.6.4 Added hCaptcha support. * * @param array $forms Forms being displayed. */ public function assets_recaptcha( $forms ) { $captcha_settings = $this->get_assets_captcha_settings( $forms ); if ( ! $captcha_settings ) { return; } $is_recaptcha_v3 = $captcha_settings['provider'] === 'recaptcha' && $captcha_settings['recaptcha_type'] === 'v3'; $recaptcha_url = $is_recaptcha_v3 ? 'https://www.google.com/recaptcha/api.js?render=' . $captcha_settings['site_key'] : /** * For backward compatibility reason we have to filter only the v2 reCAPTCHA. * * @since 1.4.0 * * @param string $url The reCaptcha v2 URL. */ apply_filters( 'wpforms_frontend_recaptcha_url', 'https://www.google.com/recaptcha/api.js?onload=wpformsRecaptchaLoad&render=explicit' ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName $captcha_api_array = [ 'hcaptcha' => 'https://hcaptcha.com/1/api.js?onload=wpformsRecaptchaLoad&render=explicit', 'recaptcha' => $recaptcha_url, 'turnstile' => 'https://challenges.cloudflare.com/turnstile/v0/api.js?onload=wpformsRecaptchaLoad&render=explicit', ]; /** * Filter the CAPTCHA API URL. * * @since 1.6.4 * * @param string $captcha_api The CAPTCHA API URL. */ $captcha_api = apply_filters( 'wpforms_frontend_captcha_api', $captcha_api_array[ $captcha_settings['provider'] ] ); wp_enqueue_script( 'wpforms-recaptcha', $captcha_api, $is_recaptcha_v3 ? [] : [ 'jquery' ], null, true ); /** * Filter the string containing the CAPTCHA javascript to be added. * * @since 1.6.4 * * @param string $captcha_inline The CAPTCHA javascript. */ $captcha_inline = apply_filters( 'wpforms_frontend_captcha_inline_script', $this->get_captcha_inline_script( $captcha_settings ) ); wp_add_inline_script( 'wpforms-recaptcha', $captcha_inline ); } /** * Get captcha settings for assets output. * Return null if captcha is disabled. * * @since 1.8.1 * * @param array $forms Forms being displayed. * * @return array|null * @noinspection NullPointerExceptionInspection */ private function get_assets_captcha_settings( $forms ) { /** * Filters disable captcha switch. * * @since 1.6.2 * * @param bool $is_captcha_disabled Whether captcha is disabled. */ if ( apply_filters( 'wpforms_frontend_recaptcha_disable', false ) ) { // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName return null; } // Load CAPTCHA support if form supports it. $captcha_settings = wpforms_get_captcha_settings(); if ( empty( $captcha_settings['provider'] ) || $captcha_settings['provider'] === 'none' || empty( $captcha_settings['site_key'] ) || empty( $captcha_settings['secret_key'] ) ) { return null; } // Whether at least 1 form on a page has CAPTCHA enabled. $captcha = false; foreach ( $forms as $form ) { if ( ! empty( $form['settings']['recaptcha'] ) ) { $captcha = true; break; } } // Return early. if ( ! $captcha && ! wpforms()->get( 'frontend' )->assets_global() ) { return null; } return $captcha_settings; } /** * Retrieve the string containing the CAPTCHA inline javascript. * * @since 1.6.4 * * @param array $captcha_settings The CAPTCHA settings. * * @return string * @noinspection JSUnusedLocalSymbols * @noinspection UnnecessaryLocalVariableJS * @noinspection JSUnresolvedVariable * @noinspection JSDeprecatedSymbols * @noinspection JSUnresolvedFunction */ protected function get_captcha_inline_script( $captcha_settings ) { // IE11 polyfills for native `matches()` and `closest()` methods. $polyfills = /** @lang JavaScript */ 'if (!Element.prototype.matches) { Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector; } if (!Element.prototype.closest) { Element.prototype.closest = function (s) { var el = this; do { if (Element.prototype.matches.call(el, s)) { return el; } el = el.parentElement || el.parentNode; } while (el !== null && el.nodeType === 1); return null; }; } '; // Native equivalent for jQuery's `trigger()` method. $dispatch = /** @lang JavaScript */ 'var wpformsDispatchEvent = function (el, ev, custom) { var e = document.createEvent(custom ? "CustomEvent" : "HTMLEvents"); custom ? e.initCustomEvent(ev, true, true, false) : e.initEvent(ev, true, true); el.dispatchEvent(e); }; '; // Update container class after changing Turnstile type. $turnstile_update_class = /** @lang JavaScript */ 'var turnstileUpdateContainer = function (el) { let form = el.closest( "form" ), iframeHeight = el.getElementsByTagName("iframe")[0].style.height; parseInt(iframeHeight) === 0 ? form.querySelector(".wpforms-is-turnstile").classList.add( "wpforms-is-turnstile-invisible" ) : form.querySelector(".wpforms-is-turnstile").classList.remove( "wpforms-is-turnstile-invisible" ); }; '; // Captcha callback, used by hCaptcha and checkbox reCaptcha v2. $callback = /** @lang JavaScript */ 'var wpformsRecaptchaCallback = function (el) { var hdn = el.parentNode.querySelector(".wpforms-recaptcha-hidden"); var err = el.parentNode.querySelector("#g-recaptcha-hidden-error"); hdn.value = "1"; wpformsDispatchEvent(hdn, "change", false); hdn.classList.remove("wpforms-error"); err && hdn.parentNode.removeChild(err); }; '; if ( $captcha_settings['provider'] === 'hcaptcha' ) { $data = $dispatch; $data .= $callback; $data .= /** @lang JavaScript */ 'var wpformsRecaptchaLoad = function () { Array.prototype.forEach.call(document.querySelectorAll(".g-recaptcha"), function (el) { var captchaID = hcaptcha.render(el, { callback: function () { wpformsRecaptchaCallback(el); } }); el.setAttribute("data-recaptcha-id", captchaID); }); wpformsDispatchEvent(document, "wpformsRecaptchaLoaded", true); }; '; return $data; } if ( $captcha_settings['provider'] === 'turnstile' ) { $data = $dispatch; $data .= $callback; $data .= $turnstile_update_class; $data .= /** @lang JavaScript */ 'var wpformsRecaptchaLoad = function () { Array.prototype.forEach.call(document.querySelectorAll(".g-recaptcha"), function (el) { let form = el.closest( "form" ), formId = form.dataset.formid, captchaID = turnstile.render(el, { theme: "' . $captcha_settings['theme'] . '", callback: function () { turnstileUpdateContainer(el); wpformsRecaptchaCallback(el); }, "timeout-callback": function() { turnstileUpdateContainer(el); } }); el.setAttribute("data-recaptcha-id", captchaID); }); wpformsDispatchEvent( document, "wpformsRecaptchaLoaded", true ); }; '; return $data; } if ( $captcha_settings['recaptcha_type'] === 'v3' ) { $data = $dispatch; $data .= /** @lang JavaScript */ 'var wpformsRecaptchaV3Execute = function ( callback ) { grecaptcha.execute( "' . $captcha_settings['site_key'] . '", { action: "wpforms" } ).then( function ( token ) { Array.prototype.forEach.call( document.getElementsByName( "wpforms[recaptcha]" ), function ( el ) { el.value = token; } ); if ( typeof callback === "function" ) { return callback(); } } ); } grecaptcha.ready( function () { wpformsDispatchEvent( document, "wpformsRecaptchaLoaded", true ); } ); '; } elseif ( $captcha_settings['recaptcha_type'] === 'invisible' ) { $data = $polyfills; $data .= $dispatch; $data .= /** @lang JavaScript */ 'var wpformsRecaptchaLoad = function () { Array.prototype.forEach.call(document.querySelectorAll(".g-recaptcha"), function (el) { try { var recaptchaID = grecaptcha.render(el, { callback: function () { wpformsRecaptchaCallback(el); } }, true); el.closest("form").querySelector("button[type=submit]").recaptchaID = recaptchaID; } catch (error) {} }); wpformsDispatchEvent(document, "wpformsRecaptchaLoaded", true); }; var wpformsRecaptchaCallback = function (el) { var $form = el.closest("form"); if (typeof wpforms.formSubmit === "function") { wpforms.formSubmit($form); } else { $form.querySelector("button[type=submit]").recaptchaID = false; $form.submit(); } }; '; } else { $data = $dispatch; $data .= $callback; $data .= /** @lang JavaScript */ 'var wpformsRecaptchaLoad = function () { Array.prototype.forEach.call(document.querySelectorAll(".g-recaptcha"), function (el) { try { var recaptchaID = grecaptcha.render(el, { callback: function () { wpformsRecaptchaCallback(el); } }); el.setAttribute("data-recaptcha-id", recaptchaID); } catch (error) {} }); wpformsDispatchEvent(document, "wpformsRecaptchaLoaded", true); }; '; } return $data; } /** * Cloudflare Turnstile captcha requires defer attribute. * * @since 1.8.1 * * @param string $tag HTML for the script tag. * @param string $handle Handle of script. * @param string $src Src of script. * * @return string */ public function set_defer_attribute( $tag, $handle, $src ) { $captcha_settings = wpforms_get_captcha_settings(); if ( $captcha_settings['provider'] !== 'turnstile' ) { return $tag; } if ( $handle !== 'wpforms-recaptcha' ) { return $tag; } return str_replace( ' src', ' defer src', $tag ); } }