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from datetime import datetime, UTC
from typing import Dict
from dataclasses import dataclass
from bozo4 import s3v4_sign_request, s3v4_datetime_string
@dataclass
class Request:
url: str
headers: Dict[str, str]
@dataclass
class Bucket:
endpoint: str
region: str
bucket: str
access_key: str
secret_key: str
def get(self, key: str) -> Request:
now = datetime.now(UTC)
headers = {
"Host": self.endpoint,
"X-Amz-Date": s3v4_datetime_string(now),
"X-Amz-Content-SHA256": "UNSIGNED-PAYLOAD",
}
auth = s3v4_sign_request(
endpoint=self.endpoint,
region=self.region,
access_key=self.access_key,
secret_key=self.secret_key,
request_method="GET",
date=now,
payload_hash="UNSIGNED-PAYLOAD",
uri=f"/{self.bucket}/{key}",
parameters={},
headers=headers,
service="s3",
)
headers["Authorization"] = auth
return Request(f"https://{self.endpoint}/{self.bucket}/{key}", headers)
def put(
self, key: str, content_length: int, content_type: str, payload_hash: str
) -> Request:
now = datetime.now(UTC)
headers = {
"Host": self.endpoint,
"X-Amz-Date": s3v4_datetime_string(now),
"X-Amz-Content-SHA256": payload_hash,
"Content-Length": str(content_length),
"Content-Type": content_type,
}
auth = s3v4_sign_request(
endpoint=self.endpoint,
region=self.region,
access_key=self.access_key,
secret_key=self.secret_key,
request_method="PUT",
date=now,
payload_hash=payload_hash,
uri=f"/{self.bucket}/{key}",
parameters={},
headers=headers,
service="s3",
)
headers["Authorization"] = auth
return Request(f"https://{self.endpoint}/{self.bucket}/{key}", headers)
def delete(self, key: str) -> Request:
now = datetime.now(UTC)
headers = {
"Host": self.endpoint,
"X-Amz-Date": s3v4_datetime_string(now),
"X-Amz-Content-SHA256": "UNSIGNED-PAYLOAD",
}
auth = s3v4_sign_request(
endpoint=self.endpoint,
region=self.region,
access_key=self.access_key,
secret_key=self.secret_key,
request_method="DELETE",
date=now,
payload_hash="UNSIGNED-PAYLOAD",
uri=f"/{self.bucket}/{key}",
parameters={},
headers=headers,
service="s3",
)
headers["Authorization"] = auth
return Request(f"https://{self.endpoint}/{self.bucket}/{key}", headers)
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