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<?php
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/*
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 * OIDplus 2.0
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 * Copyright 2019 - 2021 Daniel Marschall, ViaThinkSoft
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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$url = 'https://www.viathinksoft.de/';
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if (!function_exists("curl_init")) {
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        echo '<p><font color="red">CURL not installed!</font></p>';
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        die();
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}
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$ch = curl_init();
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if (ini_get('curl.cainfo') == '') {
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        if (file_exists(__DIR__.'/../vendor/cacert.pem')) {
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                curl_setopt($ch, CURLOPT_CAINFO, __DIR__.'/../vendor/cacert.pem');
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                echo '<p>Loaded fallback CURLOPT_CAINFO from OIDplus</p>';
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        }
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        else if (file_exists(__DIR__.'/vendor/cacert.pem')) {
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                curl_setopt($ch, CURLOPT_CAINFO, __DIR__.'/vendor/cacert.pem');
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                echo '<p>Loaded fallback CURLOPT_CAINFO from OIDplus</p>';
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        } else {
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                echo '<p><font color="red">curl.cainfo is missing and fallback certificates (vendor/cacert.pem) not found</font></p>';
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        }
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}
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_USERAGENT, 'ViaThinkSoft-OIDplus/2.0');
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curl_setopt($ch, CURLOPT_HEADER, TRUE);
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curl_setopt($ch, CURLOPT_NOBODY, TRUE); // remove body
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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$head = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($httpCode != 0) {
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        echo '<p><font color="green">CURL to HTTPS works!</font></p>';
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} else {
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        echo '<p><font color="red">CURL to HTTPS does not work!</font></p>';
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}