main.py

from flask import *
import boto3
import os
from dotenv import load_dotenv
from botocore.config import Config

load_dotenv()
url = os.environ.get("URL")
cdn_name = "cdnv2"
uploads_url = url + "uploads/"

dd_key = os.environ.get("DD_KEY")

data = {
  "Version": "14.0.0",
  "Name": "PrimittCDN",
  "DestinationType": "ImageUploader, FileUploader",
  "RequestMethod": "POST",
  "Parameters": {
    "apikey": "[REPLACE WITH API KEY]"
  },
  "RequestURL": url + "upload",
  "Body": "MultipartFormData",
  "FileFormName": "file",
  "URL": "{json:data.url}"
}

s3 = boto3.client(
    service_name="s3",
    endpoint_url='<your own was URL>',
    aws_access_key_id=os.environ.get("AWS_ACCESS_KEY_ID"),
    aws_secret_access_key=os.environ.get("AWS_SECRET_ACCESS_KEY"),
    region_name="auto",  # Must be one of: wnam, enam, weur, eeur, apac, auto
    config=Config(
        s3={
            'request_checksum_calculation': 'WHEN_REQUIRED',
            'response_checksum_validation': 'WHEN_REQUIRED'
        }
    )
)


def gen_filename():
    import uuid
    return str(uuid.uuid4())

app = Flask(__name__)
if not os.path.exists("uploads"):
    os.mkdir("uploads")
if not os.path.exists("files"):
    os.mkdir("files")
@app.route('/')
def index():
    return "Hello World!"
@app.route("/upload", methods=['POST'])
def upload():
    if request.method == 'POST':
        get_dd_key = request.args.get("apikey")
        if not get_dd_key or get_dd_key != dd_key:
            return "Invalid API Key", 403
        f = request.files['file']
        uid = gen_filename() 
        file_name = uid + "." + f.filename.split(".")[-1]
        s3.upload_fileobj(f, "cdnvstore", file_name)
        return {"data": {"url": uploads_url + file_name}} 
    else:
        return "Upload Failed"
@app.route("/config")
def config():
    return Response(
        json.dumps(data),
        mimetype='application/json',
        headers={"Content-disposition":f"attachment; filename={cdn_name}.sxcu"}
    )
@app.route("/uploads/<filename>")
def get_image(filename):
    if not os.path.exists("uploads/" + filename):
        s3.download_file("cdnvstore", filename, "uploads/" + filename)
    return send_file("uploads/" + filename)
if __name__ == '__main__':
    app.run(debug=True, port=5002)