from typing import Annotated

from fastapi import Depends, FastAPI
from fastapi.security import HTTPBasic, HTTPBasicCredentials

app = FastAPI()

security = HTTPBasic()


@app.get("/users/me")
def read_current_user(credentials: Annotated[HTTPBasicCredentials, Depends(security)]):

from fastapi import Depends, FastAPI, Security
from fastapi.security import APIKeyQuery
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

api_key = APIKeyQuery(name="key")


class User(BaseModel):
    username: str


def get_current_user(oauth_header: str = Security(api_key)):
    user = User(username=oauth_header)
    return user


@app.get("/users/me")

//go:build darwin

package issue24161e1

/*
#cgo CFLAGS: -x objective-c
#cgo LDFLAGS: -framework CoreFoundation -framework Security
#include <TargetConditionals.h>
#include <CoreFoundation/CoreFoundation.h>
#include <Security/Security.h>
#if TARGET_OS_IPHONE == 0 && __MAC_OS_X_VERSION_MAX_ALLOWED < 101200
  typedef CFStringRef SecKeyAlgorithm;

									{
										Key:      "security",
										Operator: metav1.LabelSelectorOpIn,
										Values:   []string{"S2"},
									},
								},
							},
							TopologyKey: v1.LabelHostname,
						}, {
							LabelSelector: &metav1.LabelSelector{
								MatchExpressions: []metav1.LabelSelectorRequirement{
									{
										Key:      "security",
										Operator: metav1.LabelSelectorOpIn,

	"google.golang.org/grpc/status"

	pb "istio.io/api/security/v1alpha1"
	testutil "istio.io/istio/pilot/test/util"
	"istio.io/istio/pkg/config/constants"
	"istio.io/istio/pkg/file"
	"istio.io/istio/pkg/monitoring/monitortest"
	"istio.io/istio/pkg/security"
	"istio.io/istio/pkg/spiffe"
	"istio.io/istio/pkg/test/env"
	"istio.io/istio/pkg/test/util/retry"
	"istio.io/istio/security/pkg/credentialfetcher/plugin"

from fastapi import FastAPI, Security
from fastapi.security import OAuth2AuthorizationCodeBearer
from fastapi.testclient import TestClient

app = FastAPI()

oauth2_scheme = OAuth2AuthorizationCodeBearer(
    authorizationUrl="authorize",
    tokenUrl="token",
    description="OAuth2 Code Bearer",
    auto_error=True,
)


@app.get("/items/")
async def read_items(token: Optional[str] = Security(oauth2_scheme)):

from typing import Optional

from fastapi import FastAPI, Security
from fastapi.security import OAuth2PasswordBearer
from fastapi.testclient import TestClient

app = FastAPI()

oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/token", auto_error=False)


@app.get("/items/")
async def read_items(token: Optional[str] = Security(oauth2_scheme)):
    if token is None:
        return {"msg": "Create an account first"}
    return {"token": token}

import secrets
from typing import Annotated

from fastapi import Depends, FastAPI, HTTPException, status
from fastapi.security import HTTPBasic, HTTPBasicCredentials

app = FastAPI()

security = HTTPBasic()


def get_current_username(
    credentials: Annotated[HTTPBasicCredentials, Depends(security)],
):
    current_username_bytes = credentials.username.encode("utf8")
    correct_username_bytes = b"stanleyjobson"

=== "🐍 3️⃣.6️⃣ & 🔛"

    ```Python hl_lines="7  48  55-56  59-60  69-75"
    {!> ../../../docs_src/security/tutorial004.py!}
    ```

=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"

    ```Python hl_lines="6  47  54-55  58-59  68-74"
    {!> ../../../docs_src/security/tutorial004_py310.py!}
    ```

!!! note

//go:build darwin

package issue24161e0

/*
#cgo CFLAGS: -x objective-c
#cgo LDFLAGS: -framework CoreFoundation -framework Security
#include <TargetConditionals.h>
#include <CoreFoundation/CoreFoundation.h>
#include <Security/Security.h>
#if TARGET_OS_IPHONE == 0 && __MAC_OS_X_VERSION_MAX_ALLOWED < 101200
  typedef CFStringRef SecKeyAlgorithm;