// IsAllowed - checks given policy args is allowed to continue the REST API.
func (o *Opa) IsAllowed(args policy.Args) (bool, error) {
	if o == nil {
		return false, nil
	}

	// OPA input
	body := make(map[string]interface{})
	body["input"] = args

	inputBytes, err := json.Marshal(body)
	if err != nil {
		return false, err
	}

type formatErasureV1 struct {
	formatMetaV1
	Erasure struct {
		Version string `json:"version"` // Version of 'xl' format.
		Disk    string `json:"drive"`   // Disk field carries assigned disk uuid.
		// JBOD field carries the input disk order generated the first
		// time when fresh disks were supplied.
		JBOD []string `json:"jbod"`
	} `json:"xl"` // Erasure field holds xl format.
}

// Represents the V2 backend disk structure version

	Key        string               `yaml:"key" json:"key"`
	Context    string               `yaml:"context" json:"context"`
	kmsContext kms.Context          `msg:"-"`
}

// Validate validates input key rotation encryption options.
func (e BatchJobKeyRotateEncryption) Validate() error {
	if e.Type != sses3 && e.Type != ssekms {
		return errInvalidArgument
	}

// in http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
func signV4TrimAll(input string) string {
	// Compress adjacent spaces (a space is determined by
	// unicode.IsSpace() internally here) to one space and return
	return strings.Join(strings.Fields(input), " ")
}

// checkMetaHeaders will check if the metadata from header/url is the same with the one from signed headers

			// no subscribers nothing to trace.
			return
		}

		tt := madmin.TraceInternal
		if strings.HasPrefix(tc.FuncName, "s3.") {
			tt = madmin.TraceS3
		}

		// Calculate input body size with headers
		reqHeaders := r.Header.Clone()
		reqHeaders.Set("Host", r.Host)
		if len(r.TransferEncoding) == 0 {
			reqHeaders.Set("Content-Length", strconv.Itoa(int(r.ContentLength)))
		} else {

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"errors"
)

// errInvalidArgument means that input argument is invalid.
var errInvalidArgument = errors.New("Invalid arguments specified")

// errMethodNotAllowed means that method is not allowed.
var errMethodNotAllowed = errors.New("Method not allowed")

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package mountinfo

import (
	"path/filepath"
	"sync"

	"golang.org/x/sys/windows"
)

// CheckCrossDevice - check if any input path has multiple sub-mounts.
// this is a dummy function and returns nil for now.
func CheckCrossDevice(paths []string) error {
	return nil
}

// mountPointCache contains results of IsLikelyMountPoint

// error codes for other info that we'd like to use to pass info on.
const (
	ExitUnknownError   = 1 // for compatibility with existing exit code
	ExitIncorrectUsage = 64
	ExitDataError      = 65 // some format error with input data

	// below here are non-zero exit codes that don't indicate an error with istioctl itself
	ExitAnalyzerFoundIssues = 79 // istioctl analyze found issues, for CI/CD
)

func GetExitCode(e error) int {

		// Copy to new array.
		workers = append(workers, *v...)
	}

	if n == len(workers) || n < 1 {
		return
	}

	for len(workers) < n {
		input := make(chan expiryOp, 10000)
		workers = append(workers, input)
		go es.Worker(input)
		es.stats.workers.Add(1)
	}

	for len(workers) > n {
		worker := workers[len(workers)-1]
		workers = workers[:len(workers)-1]
		worker <- expiryOp(nil)

	clnt *http.Client
}

var configLock sync.RWMutex

// Enabled - indicates if cache is enabled or not
func (c *Config) Enabled() bool {
	return c.Enable && c.Endpoint != ""
}

// MatchesSize verifies if input 'size' falls under cacheable threshold
func (c Config) MatchesSize(size int64) bool {
	configLock.RLock()
	defer configLock.RUnlock()

	return c.Enable && c.BlockSize > 0 && size <= c.BlockSize
}