// limitations under the License.

// The auth package provides support for checking the authentication and authorization policy applied
// in the mesh. It aims to increase the debuggability and observability of auth policies.
// Note: this is still under active development and is not ready for real use.
package authz

import (
	"fmt"
	"io"

	envoy_admin "github.com/envoyproxy/go-control-plane/envoy/admin/v3"

	if hdr.Typeflag == TypeGNUSparse {
		spd, err = tr.readOldGNUSparseMap(hdr, rawHdr)
	} else {
		spd, err = tr.readGNUSparsePAXHeaders(hdr)
	}

	// If sp is non-nil, then this is a sparse file.
	// Note that it is possible for len(sp) == 0.
	if err == nil && spd != nil {
		if isHeaderOnlyType(hdr.Typeflag) || !validateSparseEntries(spd, hdr.Size) {
			return ErrHeader
		}
		sph := invertSparseEntries(spd, hdr.Size)

	m, fds := readRequest(t, ztunClient)
	// we got am essage from ztun, so it should have observed us being connected
	mt.Assert(ztunnelConnected.Name(), nil, monitortest.Exactly(1))

	// we should get the fd to dev null. note that we can't assert the fd number
	// as the kernel may have given us a different number that refers to the same file.
	assert.Equal(t, len(fds), 1)
	// in theory we should close the fd, but it's just a test..

	s.pods.AddEventHandler(controllers.FromEventHandler(func(o controllers.Event) {
		s.queue.Add(o)
	}))

	// Namespaces could be anything though, so we watch all of those
	//
	// NOTE that we are requeueing namespaces here explicitly to work around
	// test flakes with the fake kube client in `pkg/kube/client.go` -
	// because we are using `List()` in the handler, without this requeue,

	if err != nil {
		t.Fatal("Failed to initialize a single node Erasure backend for admin handler tests.", err)
	}
	defer adminTestBed.TearDown()

	// Initialize admin peers to make admin RPC calls. Note: In a
	// single node setup, this degenerates to a simple function
	// call under the hood.
	globalMinioAddr = "127.0.0.1:9000"

	var wg sync.WaitGroup

	// Setting up a go routine to simulate ServerRouter's

	c.lock.RLock()
	defer c.lock.RUnlock()

	return c.client.CreateKey(ctx, keyID)
}

// DeleteKey deletes a key at the KMS with the given key ID.
// Please note that is a dangerous operation.
// Once a key has been deleted all data that has been encrypted with it cannot be decrypted
// anymore, and therefore, is lost.
func (c *kesClient) DeleteKey(ctx context.Context, keyID string) error {

	// when looking up a version by fi.VersionID
	InclFreeVersions bool
	// SkipFreeVersion skips adding a free version when a tiered version is
	// being 'replaced'
	// Note: Used only when a tiered object is being expired.
	SkipFreeVersion bool

	MetadataChg           bool                  // is true if it is a metadata update operation.

		for i, dobj := range deletedObjs {
			oi := ObjectInfo{
				Bucket:    bucket,
				Name:      dobj.ObjectName,
				VersionID: dobj.VersionID,
			}
			traceFn := globalLifecycleSys.trace(oi)
			// Note: NewerNoncurrentVersions action is performed only scanner today
			tags := newLifecycleAuditEvent(lcEventSrc_Scanner, lcEvent).Tags()

			// Send audit for the lifecycle delete operation
			auditLogLifecycle(
				ctx,

		return
	}

	if pools, ok := objAPI.(*erasureServerPools); ok {
		pools.StopRebalance()
	}
}

// LoadRebalanceMeta notifies all peers to load rebalance.bin from object layer.
// Note: Only peers participating in rebalance operation, namely the first node
// in each pool will load rebalance.bin.
func (sys *NotificationSys) LoadRebalanceMeta(ctx context.Context, startRebalance bool) {

	// same relative directory on the target device.
	importPath, isStd, modPath, modDir, err := pkgPath()
	if err != nil {
		return 0, err
	}
	var deviceCwd string
	if isStd {
		// Note that we use path.Join here instead of filepath.Join:
		// The device paths should be slash-separated even if the go_android_exec
		// wrapper itself is compiled for Windows.
		deviceCwd = path.Join(deviceGoroot, "src", importPath)