"context"
	"crypto/md5"
	"encoding/base64"
	"net/http"

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/logger"
)

type ssec struct{}

var (
	// SSEC represents AWS SSE-C. It provides functionality to handle
	// SSE-C requests.
	SSEC = ssec{}

	_ Type = SSEC
)

// String returns the SSE domain as string. For SSE-C the
// domain is "SSE-C".

In a typical modern infrastructure deployment, application, database, key-store, etc. already live in containers and are managed by orchestration platforms. MinIO brings robust, scalable, AWS S3 compatible object storage to the lot.

type GetObjectContext struct {
	OutputRoute string `json:"outputRoute"`
	OutputToken string `json:"outputToken"`
	InputS3URL  string `json:"inputS3Url"`
}

// Event represents lambda function event, this is undocumented in AWS S3. This
// structure bases itself on this structure but there is no binding.
//
//	{
//	  "xAmzRequestId": "a2871150-1df5-4dc9-ad9f-3da283ca1bf3",
//	  "getObjectContext": {
//	    "outputRoute": "...",

	iso8601TimeFormatLong = "2006-01-02T15:04:05.000000Z" // Reply date format with nanosecond precision.
)

// ISO8601Format converts time 't' into ISO8601 time format expected in AWS S3 spec.
//
// This function is needed to avoid a Go's float64 precision bug, where Go avoids
// padding the extra '0' before the timezone.
func ISO8601Format(t time.Time) string {
	value := t.Format(iso8601TimeFormat)

	h.Del(xhttp.AmzServerSideEncryptionCustomerKey)
	h.Del(xhttp.AmzServerSideEncryptionCopyCustomerKey)
	h.Del(xhttp.AmzMetaUnencryptedContentLength)
	h.Del(xhttp.AmzMetaUnencryptedContentMD5)
}

// SSECopy represents AWS SSE-C for copy requests. It provides
// functionality to handle SSE-C copy requests.
var SSECopy = ssecCopy{}

type ssecCopy struct{}

// IsRequested returns true if the HTTP headers contains

type Source struct {
	Host      string `json:"host"`
	Port      string `json:"port"`
	UserAgent string `json:"userAgent"`
}

// Event represents event notification information defined in
// http://docs.aws.amazon.com/AmazonS3/latest/dev/notification-content-structure.html.
type Event struct {
	EventVersion      string            `json:"eventVersion"`
	EventSource       string            `json:"eventSource"`

- The in-tree AWS EBS plugin `kubernetes.io/aws-ebs` is now deprecated and will be removed in 1.21. Users that self-deploy Kubernetes on AWS should enable CSIMigration + CSIMigrationAWS features and install the AWS EBS CSI Driver (https://github.com/kubernetes-sigs/aws-ebs-csi-driver) to avoid disruption to existing Pod and PVC objects at that time. Users should start using the AWS EBS CSI CSI Driver directly for any new volumes. ([#85237](https...

	AmzFwdHeaderSSEC                  = "x-amz-fwd-header-x-amz-server-side-encryption-customer-algorithm"
	AmzFwdHeaderSSEKMSID              = "x-amz-fwd-header-x-amz-server-side-encryption-aws-kms-key-id"
	AmzFwdHeaderSSECMD5               = "x-amz-fwd-header-x-amz-server-side-encryption-customer-key-MD5"
	AmzFwdHeaderStorageClass          = "x-amz-fwd-header-x-amz-storage-class"

			t[j+2] = "0123456789ABCDEF"[c&15]
			j += 3
		default:
			t[j] = s[i]
			j++
		}
	}
	return string(t)
}

// s3EncodeName encodes string in response when encodingType is specified in AWS S3 requests.
func s3EncodeName(name, encodingType string) string {
	if strings.ToLower(encodingType) == "url" {
		return s3URLEncode(name)
	}
	return name
}

}

// STSErrorCode type of error status.
type STSErrorCode int

//go:generate stringer -type=STSErrorCode -trimprefix=Err $GOFILE

// Error codes, non exhaustive list - http://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRoleWithSAML.html
const (
	ErrSTSNone STSErrorCode = iota
	ErrSTSAccessDenied
	ErrSTSMissingParameter
	ErrSTSInvalidParameterValue
	ErrSTSWebIdentityExpiredToken