<?php
namespace GuzzleHttp\Handler;
use GuzzleHttp\Exception\ConnectException;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\FulfilledPromise;
use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\Psr7\LazyOpenStream;
use GuzzleHttp\TransferStats;
use GuzzleHttp\TransportSharing;
use GuzzleHttp\Utils;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\UriInterface;
/**
* Creates curl resources from a request
*
* @final
*/
class CurlFactory implements CurlFactoryInterface
{
public const CURL_VERSION_STR = 'curl_version';
/**
* @deprecated
*/
public const LOW_CURL_VERSION_NUMBER = '7.21.2';
/**
* @var resource[]|\CurlHandle[]
*/
private $handles = [];
/**
* @var int Total number of idle handles to keep in cache
*/
private $maxHandles;
/**
* @var resource|\CurlShareHandle|null
*/
private $shareHandle;
/**
* @var string
*/
private $shareMode;
/**
* @param int $maxHandles Maximum number of idle handles.
* @param resource|\CurlShareHandle|null $shareHandle
*/
public function __construct(int $maxHandles, string $shareMode = TransportSharing::NONE, $shareHandle = null)
{
$this->maxHandles = $maxHandles;
$this->shareMode = CurlShareHandleState::normalizeMode($shareMode, 'transport_sharing');
if ($this->shareMode === TransportSharing::NONE && $shareHandle !== null) {
throw new \InvalidArgumentException('A cURL share handle cannot be provided when transport sharing is disabled.');
}
if ($this->shareMode !== TransportSharing::NONE && $shareHandle === null) {
throw new \InvalidArgumentException('A cURL share handle is required when transport sharing is enabled.');
}
if ($shareHandle !== null && !self::isCurlShareHandle($shareHandle)) {
throw new \InvalidArgumentException('A cURL share handle must be an instance of CurlShareHandle or a curl_share resource.');
}
$this->shareHandle = $shareHandle;
}
/**
* @param mixed $value
*/
private static function isCurlShareHandle($value): bool
{
if (\PHP_VERSION_ID < 80000) {
return \is_resource($value) && \get_resource_type($value) === 'curl_share';
}
return $value instanceof \CurlShareHandle;
}
public function create(RequestInterface $request, array $options): EasyHandle
{
$protocolVersion = $request->getProtocolVersion();
if ('' === $protocolVersion) {
\trigger_deprecation('guzzlehttp/guzzle', '7.11', 'Sending a request with an empty protocol version is deprecated; guzzlehttp/guzzle 8.0 will reject empty protocol versions.');
$protocolVersion = '1.1';
$request = \GuzzleHttp\Psr7\Utils::modifyRequest($request, ['version' => $protocolVersion]);
}
if ('2' === $protocolVersion || '2.0' === $protocolVersion) {
if (!self::supportsHttp2()) {
throw new ConnectException('HTTP/2 is supported by the cURL handler, however libcurl is built without HTTP/2 support.', $request);
}
} elseif ('1.0' !== $protocolVersion && '1.1' !== $protocolVersion) {
throw new ConnectException(sprintf('HTTP/%s is not supported by the cURL handler.', $protocolVersion), $request);
}
if (isset($options['curl']['body_as_string'])) {
$options['_body_as_string'] = $options['curl']['body_as_string'];
unset($options['curl']['body_as_string']);
}
self::triggerUnsupportedRequestOptionDeprecations($options);
$this->rejectRequestLevelShareConflict($options);
self::triggerConflictingCurlOptionDeprecations($options);
$easy = new EasyHandle();
$easy->request = $request;
$easy->options = $options;
$conf = $this->getDefaultConf($easy);
$this->applyMethod($easy, $conf);
$this->applyHandlerOptions($easy, $conf);
$this->applyHeaders($easy, $conf);
unset($conf['_headers']);
// Add handler options from the request configuration options
if (isset($options['curl'])) {
$conf = \array_replace($conf, $options['curl']);
}
$conf[\CURLOPT_HEADERFUNCTION] = $this->createHeaderFn($easy);
if ($this->shareHandle !== null) {
if (!\defined('CURLOPT_SHARE')) {
throw new \InvalidArgumentException('The configured cURL share handle requires CURLOPT_SHARE, but it is not available in the installed PHP cURL extension.');
}
$conf[(int) \constant('CURLOPT_SHARE')] = $this->shareHandle;
}
$handle = $this->handles ? \array_pop($this->handles) : \curl_init();
if (false === $handle) {
throw new \RuntimeException('Can not initialize cURL handle.');
}
$easy->handle = $handle;
try {
$this->applyCurlOptions($handle, $conf);
} catch (\Throwable $e) {
if (PHP_VERSION_ID < 80000 && \is_resource($handle)) {
\curl_close($handle);
}
unset($easy->handle);
throw $e;
}
return $easy;
}
/**
* @param resource|\CurlHandle $handle
* @param array<int|string, mixed> $conf
*/
private function applyCurlOptions($handle, array $conf): void
{
foreach ($conf as $option => $value) {
if (!\is_int($option)) {
throw new \InvalidArgumentException(\sprintf(
'Invalid cURL option %s.',
self::formatCurlOption($option)
));
}
try {
$success = curl_setopt($handle, $option, $value);
} catch (\Throwable $e) {
throw new \InvalidArgumentException(
\sprintf(
'Unable to set cURL option %s: %s',
self::formatCurlOption($option),
$e->getMessage()
),
0,
$e
);
}
if (!$success) {
throw new \InvalidArgumentException(\sprintf(
'Unable to set cURL option %s.',
self::formatCurlOption($option)
));
}
}
}
private function rejectRequestLevelShareConflict(array $options): void
{
if ($this->shareHandle === null) {
return;
}
if (
!\defined('CURLOPT_SHARE')
|| !isset($options['curl'])
|| !\is_array($options['curl'])
|| !\array_key_exists((int) \constant('CURLOPT_SHARE'), $options['curl'])
) {
return;
}
throw new \InvalidArgumentException('The request-level CURLOPT_SHARE cURL option cannot be combined with configured transport sharing.');
}
/**
* @param int|string $option
*/
private static function formatCurlOption($option): string
{
if (!\is_int($option)) {
return \sprintf('"%s"', $option);
}
static $names = null;
if (null === $names) {
$names = [];
foreach (\get_defined_constants(true)['curl'] ?? [] as $name => $value) {
if (\is_int($value) && \strpos($name, 'CURLOPT_') === 0 && !isset($names[$value])) {
$names[$value] = $name;
}
}
}
if (isset($names[$option])) {
return \sprintf('%s (%d)', $names[$option], $option);
}
return (string) $option;
}
private static function triggerConflictingCurlOptionDeprecations(array $options): void
{
if (!isset($options['curl']) || !\is_array($options['curl']) || $options['curl'] === []) {
return;
}
$conflictingOptions = self::conflictingCurlOptions();
foreach ($options['curl'] as $option => $_) {
if (!\array_key_exists($option, $conflictingOptions)) {
continue;
}
$name = self::formatCurlOption($option);
$replacement = $conflictingOptions[$option];
if ($replacement !== null) {
\trigger_deprecation(
'guzzlehttp/guzzle',
'7.11',
\sprintf(
'Passing %s in the "curl" request option is deprecated; guzzlehttp/guzzle 8.0 will reject this option because it conflicts with Guzzle-managed request handling. Use %s instead.',
$name,
$replacement
)
);
continue;
}
\trigger_deprecation(
'guzzlehttp/guzzle',
'7.11',
\sprintf(
'Passing %s in the "curl" request option is deprecated; guzzlehttp/guzzle 8.0 will reject this option because it conflicts with Guzzle-managed cURL internals.',
$name
)
);
}
}
private static function triggerUnsupportedRequestOptionDeprecations(array $options): void
{
if (
\array_key_exists('transport_sharing', $options)
&& CurlShareHandleState::normalizeMode($options['transport_sharing'], 'transport_sharing') !== TransportSharing::NONE
) {
\trigger_deprecation('guzzlehttp/guzzle', '7.11', 'Passing the "transport_sharing" request option to a cURL handler is deprecated; guzzlehttp/guzzle 8.0 will reject this option because transport sharing must be configured when creating the Client, CurlHandler, or CurlMultiHandler.');
}
if (\array_key_exists('stream_context', $options)) {
\trigger_deprecation('guzzlehttp/guzzle', '7.11', 'Passing the "stream_context" request option to a cURL handler is deprecated; guzzlehttp/guzzle 8.0 will reject this option because cURL handlers ignore PHP stream context options.');
}
}
/**
* @return array<int, string|null>
*/
private static function conflictingCurlOptions(): array
{
static $options = null;
if ($options !== null) {
return $options;
}
$options = [];
self::addConflictingCurlOption($options, 'CURLOPT_SHARE', 'the "transport_sharing" client option or cURL handler option');
self::addConflictingCurlOption($options, 'CURLOPT_URL', 'the request URI');
self::addConflictingCurlOption($options, 'CURLOPT_PORT', 'the request URI');
self::addConflictingCurlOption($options, 'CURLOPT_CUSTOMREQUEST', 'the request method');
self::addConflictingCurlOption($options, 'CURLOPT_HTTPGET', 'the request method');
self::addConflictingCurlOption($options, 'CURLOPT_POST', 'the request method and body');
self::addConflictingCurlOption($options, 'CURLOPT_PUT', 'the request method and body');
self::addConflictingCurlOption($options, 'CURLOPT_NOBODY', 'the request method');
self::addConflictingCurlOption($options, 'CURLOPT_UPLOAD', 'the request body');
self::addConflictingCurlOption($options, 'CURLOPT_POSTFIELDS', 'the request body');
self::addConflictingCurlOption($options, 'CURLOPT_READFUNCTION', 'the request body');
self::addConflictingCurlOption($options, 'CURLOPT_READDATA', 'the request body');
self::addConflictingCurlOption($options, 'CURLOPT_INFILE', 'the request body');
self::addConflictingCurlOption($options, 'CURLOPT_INFILESIZE', 'the request body');
self::addConflictingCurlOption($options, 'CURLOPT_INFILESIZE_LARGE', 'the request body');
self::addConflictingCurlOption($options, 'CURLOPT_HTTPHEADER', 'the request headers');
self::addConflictingCurlOption($options, 'CURLOPT_USERAGENT', 'the request headers');
self::addConflictingCurlOption($options, 'CURLOPT_REFERER', 'the request headers');
self::addConflictingCurlOption($options, 'CURLOPT_HEADERFUNCTION', 'the "on_headers" request option');
self::addConflictingCurlOption($options, 'CURLOPT_WRITEFUNCTION', 'the "sink" request option');
self::addConflictingCurlOption($options, 'CURLOPT_FILE', 'the "sink" request option');
self::addConflictingCurlOption($options, 'CURLOPT_RETURNTRANSFER', null);
self::addConflictingCurlOption($options, 'CURLOPT_HEADER', null);
self::addConflictingCurlOption($options, 'CURLOPT_TIMEOUT', 'the "timeout" request option');
self::addConflictingCurlOption($options, 'CURLOPT_TIMEOUT_MS', 'the "timeout" request option');
self::addConflictingCurlOption($options, 'CURLOPT_CONNECTTIMEOUT', 'the "connect_timeout" request option');
self::addConflictingCurlOption($options, 'CURLOPT_CONNECTTIMEOUT_MS', 'the "connect_timeout" request option');
self::addConflictingCurlOption($options, 'CURLOPT_NOSIGNAL', 'the "timeout" or "connect_timeout" request option');
self::addConflictingCurlOption($options, 'CURLOPT_NOPROGRESS', 'the "progress" request option');
self::addConflictingCurlOption($options, 'CURLOPT_PROGRESSFUNCTION', 'the "progress" request option');
self::addConflictingCurlOption($options, 'CURLOPT_XFERINFOFUNCTION', 'the "progress" request option');
self::addConflictingCurlOption($options, 'CURLOPT_VERBOSE', 'the "debug" request option');
self::addConflictingCurlOption($options, 'CURLOPT_STDERR', 'the "debug" request option');
self::addConflictingCurlOption($options, 'CURLOPT_PROXY', 'the "proxy" request option');
self::addConflictingCurlOption($options, 'CURLOPT_NOPROXY', 'the "proxy" request option');
self::addConflictingCurlOption($options, 'CURLOPT_FOLLOWLOCATION', 'the "allow_redirects" request option');
self::addConflictingCurlOption($options, 'CURLOPT_MAXREDIRS', 'the "allow_redirects" request option');
self::addConflictingCurlOption($options, 'CURLOPT_POSTREDIR', 'the "allow_redirects" request option');
self::addConflictingCurlOption($options, 'CURLOPT_REDIR_PROTOCOLS', 'the "allow_redirects" request option');
self::addConflictingCurlOption($options, 'CURLOPT_REDIR_PROTOCOLS_STR', 'the "allow_redirects" request option');
self::addConflictingCurlOption($options, 'CURLOPT_PROTOCOLS', 'the "protocols" request option');
self::addConflictingCurlOption($options, 'CURLOPT_PROTOCOLS_STR', 'the "protocols" request option');
self::addConflictingCurlOption($options, 'CURLOPT_HTTP09_ALLOWED', null);
self::addConflictingCurlOption($options, 'CURLOPT_HTTP_VERSION', 'the request protocol version');
self::addConflictingCurlOption($options, 'CURLOPT_IPRESOLVE', 'the "force_ip_resolve" request option');
self::addConflictingCurlOption($options, 'CURLOPT_SSL_VERIFYPEER', 'the "verify" request option');
self::addConflictingCurlOption($options, 'CURLOPT_SSL_VERIFYHOST', 'the "verify" request option');
self::addConflictingCurlOption($options, 'CURLOPT_CAINFO', 'the "verify" request option');
self::addConflictingCurlOption($options, 'CURLOPT_CAPATH', 'the "verify" request option');
self::addConflictingCurlOption($options, 'CURLOPT_SSLVERSION', 'the "crypto_method" request option');
self::addConflictingCurlOption($options, 'CURLOPT_SSLCERT', 'the "cert" request option');
self::addConflictingCurlOption($options, 'CURLOPT_SSLCERTPASSWD', 'the "cert" request option');
self::addConflictingCurlOption($options, 'CURLOPT_SSLCERTTYPE', 'the "cert_type" request option');
self::addConflictingCurlOption($options, 'CURLOPT_SSLKEY', 'the "ssl_key" request option');
self::addConflictingCurlOption($options, 'CURLOPT_SSLKEYPASSWD', 'the "ssl_key" request option');
self::addConflictingCurlOption($options, 'CURLOPT_KEYPASSWD', 'the "ssl_key" request option');
self::addConflictingCurlOption($options, 'CURLOPT_SSLKEYTYPE', 'the "ssl_key_type" request option');
self::addConflictingCurlOption($options, 'CURLOPT_COOKIE', 'the "Cookie" request header or Guzzle cookie middleware');
self::addConflictingCurlOption($options, 'CURLOPT_COOKIEFILE', 'Guzzle cookie middleware');
self::addConflictingCurlOption($options, 'CURLOPT_COOKIEJAR', 'Guzzle cookie middleware');
self::addConflictingCurlOption($options, 'CURLOPT_COOKIELIST', 'Guzzle cookie middleware');
self::addConflictingCurlOption($options, 'CURLOPT_COOKIESESSION', 'Guzzle cookie middleware');
return $options;
}
/**
* @param array<int, string|null> $options
*/
private static function addConflictingCurlOption(array &$options, string $constant, ?string $replacement): void
{
if (!\defined($constant)) {
return;
}
$value = \constant($constant);
if (\is_int($value)) {
$options[$value] = $replacement;
}
}
private static function supportsHttp2(): bool
{
static $supportsHttp2 = null;
if (null === $supportsHttp2) {
$supportsHttp2 = self::supportsTls12()
&& defined('CURL_VERSION_HTTP2')
&& (\CURL_VERSION_HTTP2 & \curl_version()['features']);
}
return $supportsHttp2;
}
private static function supportsTls12(): bool
{
static $supportsTls12 = null;
if (null === $supportsTls12) {
$supportsTls12 = \CURL_SSLVERSION_TLSv1_2 & \curl_version()['features'];
}
return $supportsTls12;
}
private static function supportsTls13(): bool
{
static $supportsTls13 = null;
if (null === $supportsTls13) {
$supportsTls13 = defined('CURL_SSLVERSION_TLSv1_3')
&& (\CURL_SSLVERSION_TLSv1_3 & \curl_version()['features']);
}
return $supportsTls13;
}
public function release(EasyHandle $easy): void
{
$resource = $easy->handle;
unset($easy->handle);
if (\count($this->handles) >= $this->maxHandles) {
if (PHP_VERSION_ID < 80000) {
\curl_close($resource);
}
} else {
// Remove all callback functions as they can hold onto references
// and are not cleaned up by curl_reset. Using curl_setopt_array
// does not work for some reason, so removing each one
// individually.
\curl_setopt($resource, \CURLOPT_HEADERFUNCTION, null);
\curl_setopt($resource, \CURLOPT_READFUNCTION, null);
\curl_setopt($resource, \CURLOPT_WRITEFUNCTION, null);
\curl_setopt($resource, \CURLOPT_PROGRESSFUNCTION, null);
\curl_reset($resource);
$this->handles[] = $resource;
}
}
/**
* Completes a cURL transaction, either returning a response promise or a
* rejected promise.
*
* @param callable(RequestInterface, array): PromiseInterface $handler
* @param CurlFactoryInterface $factory Dictates how the handle is released
*/
public static function finish(callable $handler, EasyHandle $easy, CurlFactoryInterface $factory): PromiseInterface
{
if (isset($easy->options['on_stats'])) {
self::invokeStats($easy);
}
if (!$easy->response || $easy->errno) {
return self::finishError($handler, $easy, $factory);
}
// Return the response if it is present and there is no error.
$factory->release($easy);
// Rewind the body of the response if possible.
$body = $easy->response->getBody();
if ($body->isSeekable()) {
$body->rewind();
}
return new FulfilledPromise($easy->response);
}
private static function invokeStats(EasyHandle $easy): void
{
$curlStats = \curl_getinfo($easy->handle);
$curlStats['appconnect_time'] = \curl_getinfo($easy->handle, \CURLINFO_APPCONNECT_TIME);
$stats = new TransferStats(
$easy->request,
$easy->response,
$curlStats['total_time'],
$easy->errno,
$curlStats
);
($easy->options['on_stats'])($stats);
}
/**
* @param callable(RequestInterface, array): PromiseInterface $handler
*/
private static function finishError(callable $handler, EasyHandle $easy, CurlFactoryInterface $factory): PromiseInterface
{
// Get error information and release the handle to the factory.
$ctx = [
'errno' => $easy->errno,
'error' => \curl_error($easy->handle),
'appconnect_time' => \curl_getinfo($easy->handle, \CURLINFO_APPCONNECT_TIME),
] + \curl_getinfo($easy->handle);
$ctx[self::CURL_VERSION_STR] = self::getCurlVersion();
$factory->release($easy);
// Retry when nothing is present or when curl failed to rewind.
if (empty($easy->options['_err_message']) && (!$easy->errno || $easy->errno == 65)) {
return self::retryFailedRewind($handler, $easy, $ctx);
}
return self::createRejection($easy, $ctx);
}
private static function getCurlVersion(): string
{
static $curlVersion = null;
if (null === $curlVersion) {
$curlVersion = \curl_version()['version'];
}
return $curlVersion;
}
private static function createRejection(EasyHandle $easy, array $ctx): PromiseInterface
{
static $connectionErrors = [
\CURLE_OPERATION_TIMEOUTED => true,
\CURLE_COULDNT_RESOLVE_HOST => true,
\CURLE_COULDNT_CONNECT => true,
\CURLE_SSL_CONNECT_ERROR => true,
\CURLE_GOT_NOTHING => true,
];
if ($easy->createResponseException) {
return P\Create::rejectionFor(
new RequestException(
'An error was encountered while creating the response',
$easy->request,
null,
$easy->createResponseException,
$ctx
)
);
}
// If an exception was encountered during the onHeaders event, then
// return a rejected promise that wraps that exception.
if ($easy->onHeadersException) {
return P\Create::rejectionFor(
new RequestException(
'An error was encountered during the on_headers event',
$easy->request,
$easy->response,
$easy->onHeadersException,
$ctx
)
);
}
$uri = $easy->request->getUri();
$sanitizedError = self::sanitizeCurlError($ctx['error'] ?? '', $uri);
$message = \sprintf(
'cURL error %s: %s (%s)',
$ctx['errno'],
$sanitizedError,
'see https://curl.haxx.se/libcurl/c/libcurl-errors.html'
);
if ('' !== $sanitizedError) {
$redactedUriString = \GuzzleHttp\Psr7\Utils::redactUserInfo($uri)->__toString();
if ($redactedUriString !== '' && false === \strpos($sanitizedError, $redactedUriString)) {
$message .= \sprintf(' for %s', $redactedUriString);
}
}
// Create a connection exception if it was a specific error code.
$error = isset($connectionErrors[$easy->errno])
? new ConnectException($message, $easy->request, null, $ctx)
: new RequestException($message, $easy->request, $easy->response, null, $ctx);
return P\Create::rejectionFor($error);
}
private static function sanitizeCurlError(string $error, UriInterface $uri): string
{
if ('' === $error) {
return $error;
}
$baseUri = $uri->withQuery('')->withFragment('');
$baseUriString = $baseUri->__toString();
if ('' === $baseUriString) {
return $error;
}
$redactedUriString = \GuzzleHttp\Psr7\Utils::redactUserInfo($baseUri)->__toString();
return str_replace($baseUriString, $redactedUriString, $error);
}
/**
* @return array<int|string, mixed>
*/
private function getDefaultConf(EasyHandle $easy): array
{
$conf = [
'_headers' => $easy->request->getHeaders(),
\CURLOPT_CUSTOMREQUEST => $easy->request->getMethod(),
\CURLOPT_URL => (string) $easy->request->getUri()->withFragment(''),
\CURLOPT_RETURNTRANSFER => false,
\CURLOPT_HEADER => false,
\CURLOPT_CONNECTTIMEOUT => 300,
];
$protocols = Utils::normalizeProtocols($easy->options['protocols'] ?? ['http', 'https']);
$scheme = $easy->request->getUri()->getScheme();
if (!\in_array($scheme, $protocols, true)) {
throw new RequestException(\sprintf('The scheme "%s" is not allowed by the protocols request option.', $scheme), $easy->request);
}
if (\defined('CURLOPT_PROTOCOLS')) {
$conf[\CURLOPT_PROTOCOLS] = self::curlProtocolMask($protocols);
}
$version = $easy->request->getProtocolVersion();
if ('2' === $version || '2.0' === $version) {
$conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_2_0;
} elseif ('1.1' === $version) {
$conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_1_1;
} else {
$conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_1_0;
}
return $conf;
}
/**
* @param string[] $protocols
*/
private static function curlProtocolMask(array $protocols): int
{
$mask = 0;
if (\in_array('http', $protocols, true)) {
$mask |= \CURLPROTO_HTTP;
}
if (\in_array('https', $protocols, true)) {
$mask |= \CURLPROTO_HTTPS;
}
return $mask;
}
/**
* @param mixed $type
*/
private static function normalizeTlsFileType(string $option, $type): string
{
if (!\is_string($type) || $type === '') {
throw new \InvalidArgumentException(\sprintf('%s must be a non-empty string', $option));
}
return \strtoupper($type);
}
private static function shouldValidateSslKeyFile(?string $type): bool
{
return $type !== 'ENG' && $type !== 'PROV';
}
private function applyMethod(EasyHandle $easy, array &$conf): void
{
$body = $easy->request->getBody();
$size = $body->getSize();
if ($size === null || $size > 0) {
$this->applyBody($easy->request, $easy->options, $conf);
return;
}
$method = $easy->request->getMethod();
if ($method === 'PUT' || $method === 'POST') {
// See https://datatracker.ietf.org/doc/html/rfc7230#section-3.3.2
if (!$easy->request->hasHeader('Content-Length')) {
$conf[\CURLOPT_HTTPHEADER][] = 'Content-Length: 0';
}
} elseif ($method === 'HEAD') {
$conf[\CURLOPT_NOBODY] = true;
unset(
$conf[\CURLOPT_WRITEFUNCTION],
$conf[\CURLOPT_READFUNCTION],
$conf[\CURLOPT_FILE],
$conf[\CURLOPT_INFILE]
);
}
}
private function applyBody(RequestInterface $request, array $options, array &$conf): void
{
$size = $request->hasHeader('Content-Length')
? (int) $request->getHeaderLine('Content-Length')
: null;
// Send the body as a string if the size is less than 1MB OR if the
// [curl][body_as_string] request value is set.
if (($size !== null && $size < 1000000) || !empty($options['_body_as_string'])) {
$conf[\CURLOPT_POSTFIELDS] = (string) $request->getBody();
// Don't duplicate the Content-Length header
$this->removeHeader('Content-Length', $conf);
$this->removeHeader('Transfer-Encoding', $conf);
} else {
$conf[\CURLOPT_UPLOAD] = true;
if ($size !== null) {
$conf[\CURLOPT_INFILESIZE] = $size;
$this->removeHeader('Content-Length', $conf);
}
$body = $request->getBody();
if ($body->isSeekable()) {
$body->rewind();
}
$conf[\CURLOPT_READFUNCTION] = static function ($ch, $fd, $length) use ($body) {
return $body->read($length);
};
}
// If the Expect header is not present, prevent curl from adding it
if (!$request->hasHeader('Expect')) {
$conf[\CURLOPT_HTTPHEADER][] = 'Expect:';
}
// cURL sometimes adds a content-type by default. Prevent this.
if (!$request->hasHeader('Content-Type')) {
$conf[\CURLOPT_HTTPHEADER][] = 'Content-Type:';
}
}
private function applyHeaders(EasyHandle $easy, array &$conf): void
{
foreach ($conf['_headers'] as $name => $values) {
foreach ($values as $value) {
$value = (string) $value;
if ($value === '') {
// cURL requires a special format for empty headers.
// See https://github.com/guzzle/guzzle/issues/1882 for more details.
$conf[\CURLOPT_HTTPHEADER][] = "$name;";
} else {
$conf[\CURLOPT_HTTPHEADER][] = "$name: $value";
}
}
}
// Remove the Accept header if one was not set
if (!$easy->request->hasHeader('Accept')) {
$conf[\CURLOPT_HTTPHEADER][] = 'Accept:';
}
}
/**
* Remove a header from the options array.
*
* @param string $name Case-insensitive header to remove
* @param array $options Array of options to modify
*/
private function removeHeader(string $name, array &$options): void
{
foreach (\array_keys($options['_headers']) as $key) {
if (!\strcasecmp((string) $key, $name)) {
unset($options['_headers'][$key]);
return;
}
}
}
private function applyHandlerOptions(EasyHandle $easy, array &$conf): void
{
$options = $easy->options;
if (isset($options['verify'])) {
if ($options['verify'] === false) {
unset($conf[\CURLOPT_CAINFO]);
$conf[\CURLOPT_SSL_VERIFYHOST] = 0;
$conf[\CURLOPT_SSL_VERIFYPEER] = false;
} else {
$conf[\CURLOPT_SSL_VERIFYHOST] = 2;
$conf[\CURLOPT_SSL_VERIFYPEER] = true;
if (\is_string($options['verify'])) {
// Throw an error if the file/folder/link path is not valid or doesn't exist.
if (!\file_exists($options['verify'])) {
throw new \InvalidArgumentException("SSL CA bundle not found: {$options['verify']}");
}
// If it's a directory or a link to a directory use CURLOPT_CAPATH.
// If not, it's probably a file, or a link to a file, so use CURLOPT_CAINFO.
if (
\is_dir($options['verify'])
|| (
\is_link($options['verify']) === true
&& ($verifyLink = \readlink($options['verify'])) !== false
&& \is_dir($verifyLink)
)
) {
$conf[\CURLOPT_CAPATH] = $options['verify'];
} else {
$conf[\CURLOPT_CAINFO] = $options['verify'];
}
}
}
}
if (!isset($options['curl'][\CURLOPT_ENCODING]) && !empty($options['decode_content'])) {
$accept = $easy->request->getHeaderLine('Accept-Encoding');
if ($accept) {
$conf[\CURLOPT_ENCODING] = $accept;
} else {
// The empty string enables all available decoders and implicitly
// sets a matching 'Accept-Encoding' header.
$conf[\CURLOPT_ENCODING] = '';
// But as the user did not specify any encoding preference,
// let's leave it up to server by preventing curl from sending
// the header, which will be interpreted as 'Accept-Encoding: *'.
// https://www.rfc-editor.org/rfc/rfc9110#field.accept-encoding
$conf[\CURLOPT_HTTPHEADER][] = 'Accept-Encoding:';
}
}
if (!isset($options['sink'])) {
// Use a default temp stream if no sink was set.
$options['sink'] = \GuzzleHttp\Psr7\Utils::tryFopen('php://temp', 'w+');
}
$sink = $options['sink'];
if (!\is_string($sink)) {
$sink = \GuzzleHttp\Psr7\Utils::streamFor($sink);
} elseif (!\is_dir(\dirname($sink))) {
// Ensure that the directory exists before failing in curl.
throw new \RuntimeException(\sprintf('Directory %s does not exist for sink value of %s', \dirname($sink), $sink));
} else {
$sink = new LazyOpenStream($sink, 'w+');
}
$easy->sink = $sink;
$conf[\CURLOPT_WRITEFUNCTION] = static function ($ch, $write) use ($sink): int {
return $sink->write($write);
};
$timeoutRequiresNoSignal = false;
if (isset($options['timeout'])) {
$timeoutRequiresNoSignal |= $options['timeout'] < 1;
$conf[\CURLOPT_TIMEOUT_MS] = $options['timeout'] * 1000;
}
// CURL default value is CURL_IPRESOLVE_WHATEVER
if (isset($options['force_ip_resolve'])) {
if ('v4' === $options['force_ip_resolve']) {
$conf[\CURLOPT_IPRESOLVE] = \CURL_IPRESOLVE_V4;
} elseif ('v6' === $options['force_ip_resolve']) {
$conf[\CURLOPT_IPRESOLVE] = \CURL_IPRESOLVE_V6;
}
}
if (isset($options['connect_timeout'])) {
$timeoutRequiresNoSignal |= $options['connect_timeout'] < 1;
$conf[\CURLOPT_CONNECTTIMEOUT_MS] = $options['connect_timeout'] * 1000;
}
if ($timeoutRequiresNoSignal && \strtoupper(\substr(\PHP_OS, 0, 3)) !== 'WIN') {
$conf[\CURLOPT_NOSIGNAL] = true;
}
if (isset($options['proxy'])) {
if (!\is_array($options['proxy'])) {
$conf[\CURLOPT_PROXY] = $options['proxy'];
} else {
$scheme = $easy->request->getUri()->getScheme();
if (isset($options['proxy'][$scheme])) {
if (
isset($options['proxy']['no'])
&& Utils::isUriInNoProxy($easy->request->getUri(), $options['proxy']['no'])
) {
unset($conf[\CURLOPT_PROXY]);
} else {
$conf[\CURLOPT_PROXY] = $options['proxy'][$scheme];
}
}
}
}
if (isset($options['crypto_method'])) {
$protocolVersion = $easy->request->getProtocolVersion();
// If HTTP/2, upgrade TLS 1.0 and 1.1 to 1.2
if ('2' === $protocolVersion || '2.0' === $protocolVersion) {
if (
\STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT === $options['crypto_method']
|| \STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT === $options['crypto_method']
|| \STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT === $options['crypto_method']
) {
$conf[\CURLOPT_SSLVERSION] = \CURL_SSLVERSION_TLSv1_2;
} elseif (defined('STREAM_CRYPTO_METHOD_TLSv1_3_CLIENT') && \STREAM_CRYPTO_METHOD_TLSv1_3_CLIENT === $options['crypto_method']) {
if (!self::supportsTls13()) {
throw new \InvalidArgumentException('Invalid crypto_method request option: TLS 1.3 not supported by your version of cURL');
}
$conf[\CURLOPT_SSLVERSION] = \CURL_SSLVERSION_TLSv1_3;
} else {
throw new \InvalidArgumentException('Invalid crypto_method request option: unknown version provided');
}
} elseif (\STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT === $options['crypto_method']) {
$conf[\CURLOPT_SSLVERSION] = \CURL_SSLVERSION_TLSv1_0;
} elseif (\STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT === $options['crypto_method']) {
$conf[\CURLOPT_SSLVERSION] = \CURL_SSLVERSION_TLSv1_1;
} elseif (\STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT === $options['crypto_method']) {
if (!self::supportsTls12()) {
throw new \InvalidArgumentException('Invalid crypto_method request option: TLS 1.2 not supported by your version of cURL');
}
$conf[\CURLOPT_SSLVERSION] = \CURL_SSLVERSION_TLSv1_2;
} elseif (defined('STREAM_CRYPTO_METHOD_TLSv1_3_CLIENT') && \STREAM_CRYPTO_METHOD_TLSv1_3_CLIENT === $options['crypto_method']) {
if (!self::supportsTls13()) {
throw new \InvalidArgumentException('Invalid crypto_method request option: TLS 1.3 not supported by your version of cURL');
}
$conf[\CURLOPT_SSLVERSION] = \CURL_SSLVERSION_TLSv1_3;
} else {
throw new \InvalidArgumentException('Invalid crypto_method request option: unknown version provided');
}
}
$certType = null;
if (isset($options['cert_type'])) {
$certType = self::normalizeTlsFileType('cert_type', $options['cert_type']);
$conf[\CURLOPT_SSLCERTTYPE] = $certType;
}
if (isset($options['cert'])) {
$cert = $options['cert'];
if (\is_array($cert)) {
if (!isset($cert[0]) || !\is_string($cert[0])) {
throw new \InvalidArgumentException('Invalid cert request option');
}
if (isset($cert[1])) {
if (!\is_string($cert[1])) {
throw new \InvalidArgumentException('Invalid cert request option');
}
$conf[\CURLOPT_SSLCERTPASSWD] = $cert[1];
}
$cert = $cert[0];
}
if (!\is_string($cert)) {
throw new \InvalidArgumentException('Invalid cert request option');
}
if (!\file_exists($cert)) {
throw new \InvalidArgumentException("SSL certificate not found: {$cert}");
}
// OpenSSL (versions 0.9.3 and later) also support "P12" for PKCS#12-encoded files.
// see https://curl.se/libcurl/c/CURLOPT_SSLCERTTYPE.html
$ext = pathinfo($cert, \PATHINFO_EXTENSION);
if ($certType === null && preg_match('#^(der|p12)$#i', $ext)) {
$conf[\CURLOPT_SSLCERTTYPE] = strtoupper($ext);
}
$conf[\CURLOPT_SSLCERT] = $cert;
}
$sslKeyType = null;
if (isset($options['ssl_key_type'])) {
$sslKeyType = self::normalizeTlsFileType('ssl_key_type', $options['ssl_key_type']);
$conf[\CURLOPT_SSLKEYTYPE] = $sslKeyType;
}
if (isset($options['ssl_key'])) {
if (\is_array($options['ssl_key'])) {
if (!isset($options['ssl_key'][0]) || !\is_string($options['ssl_key'][0])) {
throw new \InvalidArgumentException('Invalid ssl_key request option');
}
if (isset($options['ssl_key'][1])) {
if (!\is_string($options['ssl_key'][1])) {
throw new \InvalidArgumentException('Invalid ssl_key request option');
}
$conf[\CURLOPT_SSLKEYPASSWD] = $options['ssl_key'][1];
}
$sslKey = $options['ssl_key'][0];
}
$sslKey = $sslKey ?? $options['ssl_key'];
if (!\is_string($sslKey)) {
throw new \InvalidArgumentException('Invalid ssl_key request option');
}
if (self::shouldValidateSslKeyFile($sslKeyType) && !\file_exists($sslKey)) {
throw new \InvalidArgumentException("SSL private key not found: {$sslKey}");
}
$conf[\CURLOPT_SSLKEY] = $sslKey;
}
if (isset($options['progress'])) {
$progress = $options['progress'];
if (!\is_callable($progress)) {
throw new \InvalidArgumentException('progress client option must be callable');
}
$conf[\CURLOPT_NOPROGRESS] = false;
$conf[\CURLOPT_PROGRESSFUNCTION] = static function ($resource, int $downloadSize, int $downloaded, int $uploadSize, int $uploaded) use ($progress) {
$progress($downloadSize, $downloaded, $uploadSize, $uploaded);
};
}
if (!empty($options['debug'])) {
$conf[\CURLOPT_STDERR] = Utils::debugResource($options['debug']);
$conf[\CURLOPT_VERBOSE] = true;
}
}
/**
* This function ensures that a response was set on a transaction. If one
* was not set, then the request is retried if possible. This error
* typically means you are sending a payload, curl encountered a
* "Connection died, retrying a fresh connect" error, tried to rewind the
* stream, and then encountered a "necessary data rewind wasn't possible"
* error, causing the request to be sent through curl_multi_info_read()
* without an error status.
*
* @param callable(RequestInterface, array): PromiseInterface $handler
*/
private static function retryFailedRewind(callable $handler, EasyHandle $easy, array $ctx): PromiseInterface
{
try {
// Only rewind if the body has been read from.
$body = $easy->request->getBody();
if ($body->tell() > 0) {
$body->rewind();
}
} catch (\RuntimeException $e) {
$ctx['error'] = 'The connection unexpectedly failed without '
.'providing an error. The request would have been retried, '
.'but attempting to rewind the request body failed. '
.'Exception: '.$e;
return self::createRejection($easy, $ctx);
}
// Retry no more than 3 times before giving up.
if (!isset($easy->options['_curl_retries'])) {
$easy->options['_curl_retries'] = 1;
} elseif ($easy->options['_curl_retries'] == 2) {
$ctx['error'] = 'The cURL request was retried 3 times '
.'and did not succeed. The most likely reason for the failure '
.'is that cURL was unable to rewind the body of the request '
.'and subsequent retries resulted in the same error. Turn on '
.'the debug option to see what went wrong. See '
.'https://bugs.php.net/bug.php?id=47204 for more information.';
return self::createRejection($easy, $ctx);
} else {
++$easy->options['_curl_retries'];
}
return $handler($easy->request, $easy->options);
}
private function createHeaderFn(EasyHandle $easy): callable
{
if (isset($easy->options['on_headers'])) {
$onHeaders = $easy->options['on_headers'];
if (!\is_callable($onHeaders)) {
throw new \InvalidArgumentException('on_headers must be callable');
}
} else {
$onHeaders = null;
}
return static function ($ch, $h) use (
$onHeaders,
$easy,
&$startingResponse
) {
$value = \trim($h);
if ($value === '') {
$startingResponse = true;
try {
$easy->createResponse();
} catch (\Throwable $e) {
$easy->response = null;
$easy->createResponseException = $e;
return -1;
}
if ($onHeaders !== null) {
try {
$onHeaders($easy->response);
} catch (\Throwable $e) {
// Associate the exception with the handle and trigger
// a curl header write error by returning 0.
$easy->onHeadersException = $e;
return -1;
}
}
} elseif ($startingResponse) {
$startingResponse = false;
$easy->headers = [$value];
} else {
$easy->headers[] = $value;
}
return \strlen($h);
};
}
public function __destruct()
{
foreach ($this->handles as $id => $handle) {
if (PHP_VERSION_ID < 80000) {
\curl_close($handle);
}
unset($this->handles[$id]);
}
}
}