Dnrweqffuwjtx Cloud Front Net -

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

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())

def __init__(self, key_pair_id: str, private_key_path: str): self.key_pair_id = key_pair_id with open(private_key_path, "rb") as key_file: self.private_key = serialization.load_pem_private_key( key_file.read(), password=None, backend=default_backend() ) dnrweqffuwjtx cloud front net

Could you clarify which of these you want, or restate your request?

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. """ # Build policy JSON (supports wildcard paths automatically

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

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

# Use canned policy (simpler) if no IP restriction and no wildcard if not ip_range and not url.endswith("*"): canned_policy = f'{{"Statement":[{{"Resource":"{resource}","Condition":{{"DateLessThan":{{"AWS:EpochTime":{epoch_expire}}}}}}]}}' signature = self._sign(canned_policy)