89 lines
3.2 KiB
PHP
89 lines
3.2 KiB
PHP
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<?php
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/**
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* This is a PHP library that handles calling reCAPTCHA.
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*
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* BSD 3-Clause License
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* @copyright (c) 2019, Google Inc.
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* @link https://www.google.com/recaptcha
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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namespace ReCaptcha\RequestMethod;
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use ReCaptcha\ReCaptcha;
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use ReCaptcha\RequestMethod;
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use ReCaptcha\RequestParameters;
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/**
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* Sends POST requests to the reCAPTCHA service.
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*/
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class Post implements RequestMethod
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{
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/**
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* URL for reCAPTCHA siteverify API
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* @var string
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*/
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private $siteVerifyUrl;
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/**
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* Only needed if you want to override the defaults
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*
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* @param string $siteVerifyUrl URL for reCAPTCHA siteverify API
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*/
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public function __construct($siteVerifyUrl = null)
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{
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$this->siteVerifyUrl = (is_null($siteVerifyUrl)) ? ReCaptcha::SITE_VERIFY_URL : $siteVerifyUrl;
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}
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/**
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* Submit the POST request with the specified parameters.
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*
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* @param RequestParameters $params Request parameters
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* @return string Body of the reCAPTCHA response
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*/
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public function submit(RequestParameters $params)
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{
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$options = array(
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'http' => array(
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'header' => "Content-type: application/x-www-form-urlencoded\r\n",
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'method' => 'POST',
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'content' => $params->toQueryString(),
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// Force the peer to validate (not needed in 5.6.0+, but still works)
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'verify_peer' => true,
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),
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);
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$context = stream_context_create($options);
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$response = file_get_contents($this->siteVerifyUrl, false, $context);
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if ($response !== false) {
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return $response;
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}
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return '{"success": false, "error-codes": ["'.ReCaptcha::E_CONNECTION_FAILED.'"]}';
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}
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}
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