Content type for POST endpoint in request header is not being observed correctly

[himynamesdave]

# example_scripts/add_objects.py
from taxii2client.v21 import Server
import json
import requests
from requests.auth import HTTPBasicAuth

# Create a Server instance with correct URL and credentials
server = Server('http://127.0.0.1:8000/api/taxii2/', user='read_write_user', password='testing123')

# Dictionary to hold collections
collections_dict = {}

# Iterate over API roots and collections
for api_root in server.api_roots:
    try:
        for collection in api_root.collections:
            collections_dict[collection.id] = collection
    except Exception as e:
        print(f"Error processing API root {api_root.url}: {e}")
        continue

# Get the specific collection by ID
collection_id = 'blog'
collection = collections_dict.get(collection_id)

if collection:
    try:
        # JSON object to be added to the collection
        objects_to_add = {
            "objects": [
                {
                    "type": "attack-pattern",
                    "spec_version": "2.1",
                    "id": "attack-pattern--6b948b5a-3c09-5365-b48a-da95c3964cb5",
                    "created_by_ref": "identity--d2916708-57b9-5636-8689-62f049e9f727",
                    "created": "2020-01-01T11:21:07.478851Z",
                    "modified": "2020-01-01T11:21:07.478851Z",
                    "name": "Spear Phishing",
                    "description": "Used for tutorial content",
                    "object_marking_refs": ["marking-definition--34098fce-860f-48ae-8e50-ebd3cc5e41da"]
                },
                {
                    "type": "attack-pattern",
                    "spec_version": "2.1",
                    "id": "attack-pattern--6b948b5a-3c09-5365-b48a-da95c3964cb5",
                    "created_by_ref": "identity--d2916708-57b9-5636-8689-62f049e9f727",
                    "created": "2020-01-02T11:21:07.478851Z",
                    "modified": "2020-01-02T11:21:07.478851Z",
                    "name": "Spear Phishing Updated ONCE",
                    "description": "Used for tutorial content",
                    "object_marking_refs": ["marking-definition--34098fce-860f-48ae-8e50-ebd3cc5e41da"]
                },
                {
                    "type": "attack-pattern",
                    "spec_version": "2.1",
                    "id": "attack-pattern--6b948b5a-3c09-5365-b48a-da95c3964cb5",
                    "created_by_ref": "identity--d2916708-57b9-5636-8689-62f049e9f727",
                    "created": "2020-01-03T11:21:07.478851Z",
                    "modified": "2020-01-03T11:21:07.478851Z",
                    "name": "Spear Phishing Updated TWICE",
                    "description": "Used for tutorial content",
                    "object_marking_refs": ["marking-definition--34098fce-860f-48ae-8e50-ebd3cc5e41da"]
                }
            ]
        }

        # Prepare the headers
        headers = {
            'Content-Type': 'application/taxii+json;version=2.1',
            'Accept': 'application/taxii+json;version=2.1'
        }

        # Print the request URL and headers
        request_url = collection.url + 'objects/'
        print(f"Request URL: {request_url}")
        print("Request Headers:", json.dumps(headers, indent=4))

        # Make the request using requests library
        response = requests.post(
            request_url,
            headers=headers,
            auth=HTTPBasicAuth('read_write_user', 'testing123'),
            json=objects_to_add
        )

        # Print the response in JSON format
        print(json.dumps(response.json(), indent=4))
    except Exception as e:
        print(f"Error adding objects to the collection: {e}")
else:
    print(f"Collection with ID {collection_id} not found.")

(cti-taxii-client_env) dgreenwood@Davids-MBP-2 cti-taxii-client % python3 example_scripts/add_objects.py
Request URL: http://127.0.0.1:8000/api/taxii2/demo_database/collections/blog/objects/
Request Headers: {
    "Content-Type": "application/taxii+json;version=2.1",
    "Accept": "application/taxii+json;version=2.1"
}
{
    "title": "Unsupported media type \"{media_type}\" in request.",
    "http_status": 415,
    "details": {
        "content": {
            "message": "Unsupported media type \"application/taxii+json;version=2.1\" in request.",
            "code": "unsupported_media_type"
        }
    }
}