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phab/src/view/form/control/recaptcha/AphrontFormRecaptchaControl.php
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AphrontFormRecaptchaControl.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*
* @phutil-external-symbol function recaptcha_get_html
* @phutil-external-symbol function recaptcha_check_answer
*/
class AphrontFormRecaptchaControl extends AphrontFormControl {
protected function getCustomControlClass() {
return 'aphront-form-control-recaptcha';
}
protected function shouldRender() {
return self::isRecaptchaEnabled();
}
private 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 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();
return recaptcha_get_html(
PhabricatorEnv::getEnvConfig('recaptcha.public-key'),
$error = null,
$use_ssl = false);
}
}
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