}

// preSignValues data type represents structured form of AWS Signature V4 query string.
type preSignValues struct {
	signValues
	Date    time.Time
	Expires time.Duration
}

// Parses signature version '4' query string of the following form.
//
//	querystring = X-Amz-Algorithm=algorithm
//	querystring += &X-Amz-Credential= urlencode(accessKey + '/' + credential_scope)
//	querystring += &X-Amz-Date=date

		"define without value",
		"#define A",
		"",
	},
	{
		"macro without arguments",
		"#define A() 1234\n" + "A()\n",
		"1234.\n",
	},
	{
		"macro with just parens as body",
		"#define A () \n" + "A\n",
		"(.).\n",
	},
	{
		"macro with parens but no arguments",
		"#define A (x) \n" + "A\n",
		"(.x.).\n",
	},
	{
		"macro with arguments",
		"#define A(x, y, z) x+z+y\n" + "A(1, 2, 3)\n",
		"1.+.3.+.2.\n",

	"github.com/secure-io/sio-go/sioutil"
	"golang.org/x/crypto/chacha20"
	"golang.org/x/crypto/chacha20poly1305"

	"github.com/minio/kms-go/kes"
	"github.com/minio/minio/internal/hash/sha256"
)

// Parse parses s as single-key KMS. The given string
// is expected to have the following format:
//
//	<key-id>:<base64-key>
//
// The returned KMS implementation uses the parsed

}

var (
	stsEndpoint    string
	configEndpoint string
	clientID       string
	clientSec      string
	clientScopes   string
	port           int
)

// DiscoveryDoc - parses the output from openid-configuration
// for example http://localhost:8080/auth/realms/minio/.well-known/openid-configuration
type DiscoveryDoc struct {
	Issuer                           string   `json:"issuer,omitempty"`

		// Return only true if the SSE header is specified and does not contain the SSE-S3 value
		return strings.ToUpper(h.Get(xhttp.AmzServerSideEncryption)) != xhttp.AmzEncryptionAES
	}
	return false
}

// ParseHTTP parses the SSE-KMS headers and returns the SSE-KMS key ID
// and the KMS context on success.
func (ssekms) ParseHTTP(h http.Header) (string, kms.Context, error) {
	if h == nil {
		return "", nil, ErrInvalidEncryptionMethod
	}

func (conf *Config) ToRulesMap() RulesMap {
	rulesMap := make(RulesMap)

	for _, queue := range conf.QueueList {
		rulesMap.Add(queue.ToRulesMap())
	}

	return rulesMap
}

// ParseConfig - parses data in reader to notification configuration.
func ParseConfig(reader io.Reader, region string, targetList *TargetList) (*Config, error) {
	var config Config

	if err := xml.NewDecoder(reader).Decode(&config); err != nil {

	k, err := crypto.SSECopy.ParseHTTP(h)
	return k[:], err
}

// ParseSSECustomerRequest parses the SSE-C header fields of the provided request.
// It returns the client provided key on success.
func ParseSSECustomerRequest(r *http.Request) (key []byte, err error) {
	return ParseSSECustomerHeader(r.Header)
}

// ParseSSECustomerHeader parses the SSE-C header fields and returns
// the client provided key on success.

	OutputLocation   OutputLocation     `xml:"OutputLocation,omitempty"`
}

// Maximum 2MiB size per restore object request.
const maxRestoreObjectRequestSize = 2 << 20

// parseRestoreRequest parses RestoreObjectRequest from xml
func parseRestoreRequest(reader io.Reader) (*RestoreObjectRequest, error) {
	req := RestoreObjectRequest{}

	xnet "github.com/minio/pkg/v2/net"
	"golang.org/x/exp/maps"
	"golang.org/x/exp/slices"
)

const (
	copyDirective    = "COPY"
	replaceDirective = "REPLACE"
	accessDirective  = "ACCESS"
)

// Parses location constraint from the incoming reader.
func parseLocationConstraint(r *http.Request) (location string, s3Error APIErrorCode) {
	// If the request has no body with content-length set to 0,

}

func (d *PolicyDoc) update(p policy.Policy) {
	now := UTCNow().Round(time.Millisecond)
	d.UpdateDate = now
	if d.CreateDate.IsZero() {
		d.CreateDate = now
	}
	d.Policy = p
}

// parseJSON parses both the old and the new format for storing policy
// definitions.
//
// The on-disk format of policy definitions has changed (around early 12/2021)
// from policy.Policy to PolicyDoc. To avoid a migration, loading supports