AphrontFormRecaptchaControl.php
No OneTemporary
Actions

Subscribers

None

File Metadata

	<?php

	/**
	*
	* @phutil-external-symbol function recaptcha_get_html
	* @phutil-external-symbol function recaptcha_check_answer
	*/
	final class AphrontFormRecaptchaControl extends AphrontFormControl {

	protected function getCustomControlClass() {
	return 'aphront-form-control-recaptcha';
	}

	protected function shouldRender() {
	return self::isRecaptchaEnabled();
	}

	public static function isRecaptchaEnabled() {
	return PhabricatorEnv::getEnvConfig('recaptcha.enabled');
	}

	private static function requireLib() {
	$root = phutil_get_library_root('phabricator');
	require_once dirname($root).'/externals/recaptcha/recaptchalib.php';
	}

	public static function hasCaptchaResponse(AphrontRequest $request) {
	return $request->getBool('recaptcha_response_field');
	}

	public static function processCaptcha(AphrontRequest $request) {
	if (!self::isRecaptchaEnabled()) {
	return true;
	}

	self::requireLib();

	$challenge = $request->getStr('recaptcha_challenge_field');
	$response = $request->getStr('recaptcha_response_field');
	$resp = recaptcha_check_answer(
	PhabricatorEnv::getEnvConfig('recaptcha.private-key'),
	$_SERVER['REMOTE_ADDR'],
	$challenge,
	$response);

	return (bool)@$resp->is_valid;
	}

	protected function renderInput() {
	self::requireLib();

	$uri = new PhutilURI(PhabricatorEnv::getEnvConfig('phabricator.base-uri'));
	$protocol = $uri->getProtocol();
	$use_ssl = ($protocol == 'https');

	return phutil_safe_html(recaptcha_get_html(
	PhabricatorEnv::getEnvConfig('recaptcha.public-key'),
	$error = null,
	$use_ssl));
	}

	}