download_file_for_user4.py

def download_file_for_user(file_name, file_url, headers):
    try:
        if ".sharepoint.com/sites/" in file_url:
            #...
    # If files are shared in a Teams chat, they are stored in the user's OneDrive under "Microsoft Teams Chat Files"
    # This is the method most often used for 1:1 chats or group chats
    try:
        base_path = f"Microsoft Teams Chat Files/{file_name}"
        encoded_path = urllib.parse.quote(base_path, safe="/")
        graph_url = f"https://graph.microsoft.com/v1.0/me/drive/root:/{encoded_path}:/content"
        response = requests.get(graph_url, headers=headers)
        if response.status_code == 200:
            print(f"🟢 Download succeeded from user's OneDrive: {graph_url}")
            return response.content
        else:
            print(f"🚫 OneDrive download failed: {response.status_code} - {response.text}")
    except Exception as e:
        print(f"🚫 OneDrive download error: {str(e)}")