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| from fastapi import HTTPException, UploadFile, File, Form | |
| from typing import Optional | |
| import bcrypt | |
| import os | |
| from ..utils import get_user_cropped_image_from_photo | |
| # Registrering a face | |
| async def register_user(db, email: str, name: str, role: str, file: UploadFile = File(...)): | |
| """ | |
| Processes and stores the image uploaded into vectordb as image embeddings. | |
| :param db: The vector db collection handle to which the image embedding with email id as key will be upserted | |
| :param email: The email id of the user being registered, this is assumed to be unique per user record | |
| :param name: The user name (different from email) for display | |
| :param role: The role associated with the user, it can only be student or teacher | |
| :param file: The facial image of the user being registered, the first recognized face image would be used. | |
| :return: email | |
| """ | |
| unique_filename = f"{email}.jpg" # Use the email as the filename | |
| file_path = f"/home/user/data/tmp/{unique_filename}" # Specify our upload directory | |
| # Ensure the directory exists | |
| os.makedirs(os.path.dirname(file_path), exist_ok=True) | |
| # Then, proceed to open the file | |
| with open(file_path, "wb") as buffer: | |
| contents = await file.read() | |
| buffer.write(contents) | |
| # Process the image to extract the face | |
| cropped_face = get_user_cropped_image_from_photo(file_path) | |
| if cropped_face is not None: | |
| # Here we can store the embeddings along with user details in ChromaDB | |
| # chroma_db.save_embeddings(user_id, embeddings) | |
| db.upsert(images=[cropped_face], ids=[email], metadatas=[{"name":name, "role":role}]) | |
| return {"status": "User registered successfully", "image": cropped_face} | |
| else: | |
| return {"error": "No faces detected"} | |
| #os.remove(file_path) # Optionally remove the file after processing, if not needed | |
| # Admin Authentication | |
| def verify_admin_password(submitted_user: str, submitted_password: str) -> bool: | |
| """ | |
| Verifies the submitted password against the stored hash. | |
| :param submitted_user: The username submitted by the user. | |
| :param submitted_password: The password submitted by the user. | |
| :return: True if the password is correct, False otherwise. | |
| """ | |
| if submitted_user == "admin": | |
| # Retrieve the stored hash from environment variable | |
| stored_password_hash = os.getenv("EC_ADMIN_PWD", "").encode('utf-8') | |
| print(stored_password_hash) | |
| # Directly compare the submitted password with the stored hash | |
| return bcrypt.checkpw(submitted_password.encode('utf-8'), stored_password_hash) | |
| return False | |
| # Additional Admin Functions | |
| # we could include other administrative functionalities here, such as: | |
| # - Listing all registered users. | |
| # - Moderating chat messages or viewing chat history. | |
| # - Managing system settings or configurations. | |