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<?php
namespace LINE\LINEBot\HTTPClient;
use LINE\LINEBot\Constant\Meta;
use LINE\LINEBot\Exception\CurlExecutionException;
use LINE\LINEBot\HTTPClient;
use LINE\LINEBot\Response;
class CurlHTTPClient implements HTTPClient
{
private $authHeaders;
private $userAgentHeader;
public function __construct($channelToken)
{
$this->authHeaders = [
"Authorization: Bearer $channelToken",
];
$this->userAgentHeader = [
'User-Agent: LINE-BotSDK-PHP/' . Meta::VERSION,
];
}
public function get($url)
{
return $this->sendRequest('GET', $url, [], []);
}
public function post($url, array $data)
{
return $this->sendRequest('POST', $url, ['Content-Type: application/json; charset=utf-8'], $data);
}
private function sendRequest($method, $url, array $additionalHeader, array $reqBody)
{
$curl = new Curl($url);
$headers = array_merge($this->authHeaders, $this->userAgentHeader, $additionalHeader);
$options = [
CURLOPT_CUSTOMREQUEST => $method,
CURLOPT_HTTPHEADER => $headers,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_BINARYTRANSFER => true,
CURLOPT_HEADER => true,
];
if ($method === 'POST') {
if (empty($reqBody)) {
$options[CURLOPT_HTTPHEADER][] = 'Content-Length: 0';
} else {
$options[CURLOPT_POSTFIELDS] = json_encode($reqBody);
}
}
$curl->setoptArray($options);
$result = $curl->exec();
if ($curl->errno()) {
throw new CurlExecutionException($curl->error());
}
$info = $curl->getinfo();
$httpStatus = $info['http_code'];
$responseHeaderSize = $info['header_size'];
$responseHeaderStr = substr($result, 0, $responseHeaderSize);
$responseHeaders = [];
foreach (explode("\r\n", $responseHeaderStr) as $responseHeader) {
$kv = explode(':', $responseHeader, 2);
if (count($kv) === 2) {
$responseHeaders[$kv[0]] = trim($kv[1]);
}
}
$body = substr($result, $responseHeaderSize);
return new Response($httpStatus, $body, $responseHeaders);
}
}