Requests_Transport_cURL::setup_handle()
最后更新于:2021-11-26 04:06:54
Requests_Transport_cURL::setup_handle( string$url, array$headers, string|array$data, array$options)Setup the cURL handle for the given data
参数
- $url
-
(string) (Required) URL to request
- $headers
-
(array) (Required) Associative array of request headers
- $data
-
(string|array) (Required) Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
- $options
-
(array) (Required) Request options, see Requests::response() for documentation
源文件
文件: gc-includes/Requests/Transport/cURL.php
protected function setup_handle($url, $headers, $data, $options) {
$options['hooks']->dispatch('curl.before_request', array(&$this->handle));
// Force closing the connection for old versions of cURL (<7.22).
if (!isset($headers['Connection'])) {
$headers['Connection'] = 'close';
}
/**
* Add "Expect" header.
*
* By default, cURL adds a "Expect: 100-Continue" to most requests. This header can
* add as much as a second to the time it takes for cURL to perform a request. To
* prevent this, we need to set an empty "Expect" header. To match the behaviour of
* Guzzle, we'll add the empty header to requests that are smaller than 1 MB and use
* HTTP/1.1.
*
* https://curl.se/mail/lib-2017-07/0013.html
*/
if (!isset($headers['Expect']) && $options['protocol_version'] === 1.1) {
$headers['Expect'] = $this->get_expect_header($data);
}
$headers = Requests::flatten($headers);
if (!empty($data)) {
$data_format = $options['data_format'];
if ($data_format === 'query') {
$url = self::format_get($url, $data);
$data = '';
}
elseif (!is_string($data)) {
$data = http_build_query($data, null, '&');
}
}
switch ($options['type']) {
case Requests::POST:
curl_setopt($this->handle, CURLOPT_POST, true);
curl_setopt($this->handle, CURLOPT_POSTFIELDS, $data);
break;
case Requests::HEAD:
curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
curl_setopt($this->handle, CURLOPT_NOBODY, true);
break;
case Requests::TRACE:
curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
break;
case Requests::PATCH:
case Requests::PUT:
case Requests::DELETE:
case Requests::OPTIONS:
default:
curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
if (!empty($data)) {
curl_setopt($this->handle, CURLOPT_POSTFIELDS, $data);
}
}
// cURL requires a minimum timeout of 1 second when using the system
// DNS resolver, as it uses `alarm()`, which is second resolution only.
// There's no way to detect which DNS resolver is being used from our
// end, so we need to round up regardless of the supplied timeout.
//
// https://github.com/curl/curl/blob/4f45240bc84a9aa648c8f7243be7b79e9f9323a5/lib/hostip.c#L606-L609
$timeout = max($options['timeout'], 1);
if (is_int($timeout) || $this->version < self::CURL_7_16_2) {
curl_setopt($this->handle, CURLOPT_TIMEOUT, ceil($timeout));
}
else {
// phpcs:ignore PHPCompatibility.Constants.NewConstants.curlopt_timeout_msFound
curl_setopt($this->handle, CURLOPT_TIMEOUT_MS, round($timeout * 1000));
}
if (is_int($options['connect_timeout']) || $this->version < self::CURL_7_16_2) {
curl_setopt($this->handle, CURLOPT_CONNECTTIMEOUT, ceil($options['connect_timeout']));
}
else {
// phpcs:ignore PHPCompatibility.Constants.NewConstants.curlopt_connecttimeout_msFound
curl_setopt($this->handle, CURLOPT_CONNECTTIMEOUT_MS, round($options['connect_timeout'] * 1000));
}
curl_setopt($this->handle, CURLOPT_URL, $url);
curl_setopt($this->handle, CURLOPT_REFERER, $url);
curl_setopt($this->handle, CURLOPT_USERAGENT, $options['useragent']);
if (!empty($headers)) {
curl_setopt($this->handle, CURLOPT_HTTPHEADER, $headers);
}
if ($options['protocol_version'] === 1.1) {
curl_setopt($this->handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
}
else {
curl_setopt($this->handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
}
if ($options['blocking'] === true) {
curl_setopt($this->handle, CURLOPT_HEADERFUNCTION, array($this, 'stream_headers'));
curl_setopt($this->handle, CURLOPT_WRITEFUNCTION, array($this, 'stream_body'));
curl_setopt($this->handle, CURLOPT_BUFFERSIZE, Requests::BUFFER_SIZE);
}
}