def generate_signed_url( self, url: str, expire_time: datetime.datetime, ip_range: str = None ) -> str: """ Generate a signed CloudFront URL. - url: The full CloudFront object URL (e.g., https://d123.cloudfront.net/video.mp4) - expire_time: UTC datetime when the URL expires. - ip_range: Optional CIDR (e.g., "203.0.113.0/24") to restrict client IP. """ epoch_expire = int(expire_time.timestamp())
If you meant (the CDN service), I can help you build a solid feature for it — for example, a signed URL generator , a cache invalidation tool , or a Lambda@Edge viewer request handler . dnrweqffuwjtx cloud front net
If you actually meant something else with "dnrweqffuwjtx cloud front net" , please explain — I’ll build the exact feature you need. """ epoch_expire = int(expire_time
def _sign(self, policy: str) -> str: signature = self.private_key.sign( policy.encode(), padding.PKCS1v15(), hashes.SHA1() ) return self._url_safe_base64(signature) Feature: Custom expiration, IP restriction, and URL wildcard
def _url_safe_base64(self, data: bytes) -> str: return base64.urlsafe_b64encode(data).decode().rstrip("=")
import datetime import re from cryptography.hazmat.primitives import hashes, serialization from cryptography.hazmat.primitives.asymmetric import padding from cryptography.hazmat.backends import default_backend import base64 class CloudFrontSignedUrlGenerator: """ Generate CloudFront signed URLs using a private key. Feature: Custom expiration, IP restriction, and URL wildcard support. """