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JustAPI

Advanced Middleware

Adding ASGI Middleware

Section titled “Adding ASGI Middleware”

JustAPI supports any ASGI middleware:

from justapi import JustAPIApp
from starlette.middleware.httpsredirect import HTTPSRedirectMiddleware
from starlette.middleware.trustedhost import TrustedHostMiddleware


app = JustAPIApp()


app.add_middleware(HTTPSRedirectMiddleware)

Trusted Host Middleware

Section titled “Trusted Host Middleware”

Guard against HTTP host header attacks:

app.add_middleware(
    TrustedHostMiddleware,
    allowed_hosts=["example.com", "*.example.com"],
)

GZip Compression

Section titled “GZip Compression”
from starlette.middleware.gzip import GZipMiddleware


app.add_middleware(GZipMiddleware, minimum_size=500, compresslevel=9)

Custom ASGI Middleware

Section titled “Custom ASGI Middleware”

Write your own middleware class:

import time
from starlette.middleware.base import BaseHTTPMiddleware


class TimingMiddleware(BaseHTTPMiddleware):
    async def dispatch(self, request, call_next):
        start = time.time()
        response = await call_next(request)
        duration = time.time() - start
        response.headers["X-Process-Time"] = str(round(duration, 4))
        return response


app.add_middleware(TimingMiddleware)

See Also

Section titled “See Also”