Dnrweqffuwjtx Cloud Front Net Guide

if ip_range: policy["Statement"][0]["Condition"]["IpAddress"] = { "AWS:SourceIp": ip_range }

# Build policy JSON (supports wildcard paths automatically if URL ends with *) if url.endswith("*"): resource = url else: resource = url dnrweqffuwjtx cloud front net

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. """ """ epoch_expire = int(expire_time

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def _url_safe_base64(self, data: bytes) -> str: return base64.urlsafe_b64encode(data).decode().rstrip("=")

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())

policy = { "Statement": [{ "Resource": resource, "Condition": { "DateLessThan": {"AWS:EpochTime": epoch_expire} } }] }