## Update the dependencies { #update-the-dependencies }

Update `get_current_user` to receive the same token as before, but this time, using JWT tokens.

Decode the received token, verify it, and return the current user.

If the token is invalid, return an HTTP error right away.

{* ../../docs_src/security/tutorial004_an_py310.py hl[93:110] *}

                    final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
                    form.permissions = stream(entity.getPermissions()).get(stream -> stream.map(s -> permissionHelper.decode(s))
                            .filter(StringUtil::isNotBlank)
                            .distinct()
                            .collect(Collectors.joining("\n")));

                return await original_route_handler(request)
            except RequestValidationError as exc:
                body = await request.body()
                detail = {"errors": exc.errors(), "body": body.decode()}
                raise HTTPException(status_code=422, detail=detail)

        return custom_route_handler


app = FastAPI()
app.router.route_class = ValidationErrorLoggingRoute


@app.post("/")

    model_config = {
        "val_json_bytes": "base64",
        "ser_json_bytes": "base64",
    }


app = FastAPI()


@app.post("/data")
def post_data(body: DataInput):
    content = body.data.decode("utf-8")
    return {"description": body.description, "content": content}


@app.get("/data")
def get_data() -> DataOutput:
    data = "hello".encode("utf-8")
    return DataOutput(description="A plumbus", data=data)

        this.value = value;
    }

    @Override
    public void encode(final NdrBuffer dst) throws NdrException {
        dst.enc_ndr_hyper(value);
    }

    @Override
    public void decode(final NdrBuffer src) throws NdrException {
        value = src.dec_ndr_hyper();
    }

        this.value = value;
    }

    @Override
    public void encode(final NdrBuffer dst) throws NdrException {
        dst.enc_ndr_long(value);
    }

    @Override
    public void decode(final NdrBuffer src) throws NdrException {
        value = src.dec_ndr_long();
    }

// Code generated by github.com/tinylib/msgp DO NOT EDIT.

package cmd

import (
	"time"

	"github.com/tinylib/msgp/msgp"
)

// DecodeMsg implements msgp.Decodable
func (z *localLockMap) DecodeMsg(dc *msgp.Reader) (err error) {
	var zb0004 uint32
	zb0004, err = dc.ReadMapHeader()
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	if (*z) == nil {
		(*z) = make(localLockMap, zb0004)
	} else if len((*z)) > 0 {

     * @param token the authorization data token
     * @param keys the Kerberos keys for decryption
     * @return a list of parsed authorization data
     * @throws PACDecodingException if the data cannot be decoded
     */
    public static List<KerberosAuthData> parse(int authType, byte[] token, Map<Integer, KerberosKey> keys) throws PACDecodingException {

        List<KerberosAuthData> authorizations = new ArrayList<>();

    }

    /**
     * @throws Exception
     */
    public void testDecode() throws Exception {
        assertEquals("Program Files", URLUtil.decode("Program+Files", "UTF-8"));
    }

    /**
     * @throws Exception
     */
    public void testToCanonicalProtocol() throws Exception {
        assertEquals("jar", URLUtil.toCanonicalProtocol("wsjar"));

// Code generated by github.com/tinylib/msgp DO NOT EDIT.

package grid

import (
	"github.com/tinylib/msgp/msgp"
)

// DecodeMsg implements msgp.Decodable
func (z *testRequest) DecodeMsg(dc *msgp.Reader) (err error) {
	var field []byte
	_ = field
	var zb0001 uint32
	zb0001, err = dc.ReadMapHeader()
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	for zb0001 > 0 {
		zb0001--
		field, err = dc.ReadMapKeyPtr()