mirror of https://github.com/BOINC/boinc.git
54 lines
1.7 KiB
PHP
54 lines
1.7 KiB
PHP
<?php
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// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2015 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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// recaptcha utilities
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function boinc_recaptcha_get_head_extra() {
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global $recaptcha_public_key;
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if ($recaptcha_public_key) {
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return '<script src="https://www.google.com/recaptcha/api.js" async defer></script>
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';
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}
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return "";
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}
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function boinc_recaptcha_get_html($publickey) {
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if ($publickey) {
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return '<div class="g-recaptcha" data-sitekey="' . $publickey . '"></div>';
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} else {
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return '';
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}
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}
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// returns true if the captcha was correct
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// see https://developers.google.com/recaptcha/docs/verify
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//
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function boinc_recaptcha_isValidated($privatekey) {
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$url = sprintf('%s?secret=%s&response=%s&remoteip=%s',
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"https://www.google.com/recaptcha/api/siteverify",
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$privatekey,
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htmlspecialchars($_POST['g-recaptcha-response']),
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filter_input(INPUT_SERVER, 'REMOTE_ADDR', FILTER_SANITIZE_URL)
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);
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$response_json = file_get_contents($url);
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$response = json_decode($response_json);
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return (!empty($response->success));
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}
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?>
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