}

	// Handle large OPA responses when OPA URL is of
	// form http://localhost:8181/v1/data/httpapi/authz
	type opaResultAllow struct {
		Result struct {
			Allow bool `json:"allow"`
		} `json:"result"`
	}

	// Handle simpler OPA responses when OPA URL is of
	// form http://localhost:8181/v1/data/httpapi/authz/allow
	type opaResult struct {
		Result bool `json:"result"`
	}

	return globalAuthZPlugin
}

func setGlobalAuthNPlugin(authn *idplugin.AuthNPlugin) {
	globalAuthPluginMutex.Lock()
	globalAuthNPlugin = authn
	globalAuthPluginMutex.Unlock()
}

func setGlobalAuthZPlugin(authz *polplugin.AuthZPlugin) {
	globalAuthPluginMutex.Lock()
	globalAuthZPlugin = authz
	globalAuthPluginMutex.Unlock()
}

	}

	// Handle large OPA responses when OPA URL is of
	// form http://localhost:8181/v1/data/httpapi/authz
	type opaResultAllow struct {
		Result struct {
			Allow bool `json:"allow"`
		} `json:"result"`
	}

	// Handle simpler OPA responses when OPA URL is of
	// form http://localhost:8181/v1/data/httpapi/authz/allow
	type opaResult struct {
		Result bool `json:"result"`
	}

		return config.DefaultHelpPostfix(DefaultKVS, key)
	}

	Help = config.HelpKVS{
		config.HelpKV{
			Key:         URL,
			Description: `[DEPRECATED] OPA HTTP(s) endpoint e.g. "http://localhost:8181/v1/data/httpapi/authz/allow"` + defaultHelpPostfix(URL),
			Type:        "url",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         AuthToken,

		return config.DefaultHelpPostfix(DefaultKVS, key)
	}

	Help = config.HelpKVS{
		config.HelpKV{
			Key:         URL,
			Description: `plugin hook endpoint (HTTP(S)) e.g. "http://localhost:8181/v1/data/httpapi/authz/allow"` + defaultHelpPostfix(URL),
			Type:        "url",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         AuthToken,

		Prefix: r.Form.Get("pattern"),
	})
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	// Get the cred and owner for checking authz below.
	cred, owner, s3Err := validateAdminSignature(ctx, r, "")
	if s3Err != ErrNone {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL)
		return
	}

	logger.LogIf(ctx, "admin", err, errKind...)
}

func authNLogIf(ctx context.Context, err error, errKind ...any) {
	logger.LogIf(ctx, "authN", err, errKind...)
}

func authZLogIf(ctx context.Context, err error, errKind ...any) {
	logger.LogIf(ctx, "authZ", err, errKind...)
}

func peersLogIf(ctx context.Context, err error, errKind ...any) {
	if !errors.Is(err, grid.ErrDisconnected) {

		return ErrSTSAccessDenied
	}
}

func checkAssumeRoleAuth(ctx context.Context, r *http.Request) (auth.Credentials, APIErrorCode) {
	if !isRequestSignatureV4(r) {
		return auth.Credentials{}, ErrAccessDenied
	}

	s3Err := isReqAuthenticated(ctx, r, globalSite.Region(), serviceSTS)
	if s3Err != ErrNone {
		return auth.Credentials{}, s3Err
	}

	user, _, s3Err := getReqAccessKeyV4(r, globalSite.Region(), serviceSTS)

		return updatedAt, errServerNotInitialized
	}

	if !auth.IsAccessKeyValid(accessKey) {
		return updatedAt, auth.ErrInvalidAccessKeyLength
	}

	if auth.ContainsReservedChars(accessKey) {
		return updatedAt, auth.ErrContainsReservedChars
	}

	if !auth.IsSecretKeyValid(ureq.SecretKey) {
		return updatedAt, auth.ErrInvalidSecretKeyLength
	}

	case accountName == globalActiveCred.AccessKey || newGlobalAuthZPluginFn() != nil:
		// For owner account and when plugin authZ is configured always set
		// effective policy as `consoleAdmin`.
		//
		// In the latter case, we let the UI render everything, but individual
		// actions would fail if not permitted by the external authZ service.
		for _, policy := range policy.DefaultPolicies {
			if policy.Name == "consoleAdmin" {