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| Current Path : /home/thenclexdoctor.com/.trash/vendor/aws/aws-sdk-php/src/Signature/ |
| Current File : /home/thenclexdoctor.com/.trash/vendor/aws/aws-sdk-php/src/Signature/S3SignatureV4.php |
<?php
namespace Aws\Signature;
use Aws\Credentials\CredentialsInterface;
use AWS\CRT\Auth\SignatureType;
use AWS\CRT\Auth\SigningAlgorithm;
use AWS\CRT\Auth\SigningConfigAWS;
use Psr\Http\Message\RequestInterface;
/**
* Amazon S3 signature version 4 support.
*/
class S3SignatureV4 extends SignatureV4
{
/**
* S3-specific signing logic
*
* {@inheritdoc}
*/
use SignatureTrait;
public function signRequest(
RequestInterface $request,
CredentialsInterface $credentials,
$signingService = null
) {
// Always add a x-amz-content-sha-256 for data integrity
if (!$request->hasHeader('x-amz-content-sha256')) {
$request = $request->withHeader(
'x-amz-content-sha256',
$this->getPayload($request)
);
}
$useCrt =
strpos($request->getUri()->getHost(), "accesspoint.s3-global")
!== false;
if (!$useCrt) {
if (strpos($request->getUri()->getHost(), "s3-object-lambda")) {
return parent::signRequest($request, $credentials, "s3-object-lambda");
}
return parent::signRequest($request, $credentials);
}
$signingService = $signingService ?: 's3';
return $this->signWithV4a($credentials, $request, $signingService);
}
/**
* @param CredentialsInterface $credentials
* @param RequestInterface $request
* @param $signingService
* @param SigningConfigAWS|null $signingConfig
* @return RequestInterface
*
* Instantiates a separate sigv4a signing config. All services except S3
* use double encoding. All services except S3 require path normalization.
*/
protected function signWithV4a(
CredentialsInterface $credentials,
RequestInterface $request,
$signingService,
SigningConfigAWS $signingConfig = null
){
$this->verifyCRTLoaded();
$credentials_provider = $this->createCRTStaticCredentialsProvider($credentials);
$signingConfig = new SigningConfigAWS([
'algorithm' => SigningAlgorithm::SIGv4_ASYMMETRIC,
'signature_type' => SignatureType::HTTP_REQUEST_HEADERS,
'credentials_provider' => $credentials_provider,
'signed_body_value' => $this->getPayload($request),
'region' => "*",
'should_normalize_uri_path' => false,
'use_double_uri_encode' => false,
'service' => $signingService,
'date' => time(),
]);
return parent::signWithV4a($credentials, $request, $signingService, $signingConfig);
}
/**
* Always add a x-amz-content-sha-256 for data integrity.
*
* {@inheritdoc}
*/
public function presign(
RequestInterface $request,
CredentialsInterface $credentials,
$expires,
array $options = []
) {
if (!$request->hasHeader('x-amz-content-sha256')) {
$request = $request->withHeader(
'X-Amz-Content-Sha256',
$this->getPresignedPayload($request)
);
}
if (strpos($request->getUri()->getHost(), "accesspoint.s3-global")) {
$request = $request->withHeader("x-amz-region-set", "*");
}
return parent::presign($request, $credentials, $expires, $options);
}
/**
* Override used to allow pre-signed URLs to be created for an
* in-determinate request payload.
*/
protected function getPresignedPayload(RequestInterface $request)
{
return SignatureV4::UNSIGNED_PAYLOAD;
}
/**
* Amazon S3 does not double-encode the path component in the canonical request
*/
protected function createCanonicalizedPath($path)
{
// Only remove one slash in case of keys that have a preceding slash
if (substr($path, 0, 1) === '/') {
$path = substr($path, 1);
}
return '/' . $path;
}
}
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