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easy-mongodb-auth-handler

A user authentication and verification system using MongoDB.

2.1.0
PyPI
Maintainers
1

easy_mongodb_auth_handler

A user authentication and verification system using MongoDB, supporting email-based verification, password hashing, and reset mechanisms.

Installation

pip install easy-mongodb-auth-handler

Setup

Make sure you have MongoDB installed and running. You also need access to an SMTP mail server for sending verification and reset codes.

Project Structure

easy_mongodb_auth_handler/
β”œβ”€β”€ .github/
β”‚   └── workflows/
β”‚       β”œβ”€β”€ linter.yml
β”‚       β”œβ”€β”€ minlinter.yml
β”‚       └── python-package.yml
|── dist/
|   β”œβ”€β”€ easy_mongodb_auth_handler-2.1.0-py3-none-any.whl
|   └── easy_mongodb_auth_handler-2.1.0.tar.gz
β”œβ”€β”€ src/
β”‚   β”œβ”€β”€ .gitignore
β”‚   └── easy_mongodb_auth_handler/
β”‚       β”œβ”€β”€ .gitignore
β”‚       β”œβ”€β”€ __init__.py
β”‚       β”œβ”€β”€ auth.py
β”‚       β”œβ”€β”€ utils.py
β”‚       β”œβ”€β”€ core_db.py
β”‚       └── package_functions/
β”‚           β”œβ”€β”€ __init__.py
β”‚           β”œβ”€β”€ func.py
β”‚           └── message.py
|── README.md
|── LICENSE
|── requirements.txt
|── minrequirements.txt
|── MANIFEST.in
|── setup.py
|── .gitignore
|── .pylintrc
|── .flake8
└──CONTRIBUTING.md

Features

  • User registration with and without email verification
  • Email format validation
  • Secure password hashing with bcrypt
  • User login/authentication
  • Password reset via email verification
  • MongoDB-based user data persistence
  • Saving custom per user data
  • User blocking functionality
  • Email change with or without verification
  • Multi-factor authentication (MFA) support
  • Rate limiting to prevent abuse
  • Utility functions for user status management and data retrieval
  • Detailed error handling with readable messages or numeric codes
  • Support for custom user data storage in a flexible format

Usage

from easy_mongodb_auth_handler import Auth, Utils, CoreDB

auth = Auth(
    mongo_uri="mongodb://localhost:27017", # MongoDB URI for your database (Must match the other modules' mongo_uri if using other modules)
    db_name="auth", # Database name for user data (Must match the other modules' db_name if using other modules)
    mail_info={
        "server": "smtp.example.com",
        "port": 587,
        "username": "your_email@example.com",
        "password": "your_email_password"
    }, # Optional: Include if using email verification
    mail_subject="Verification Code", # Optional: Custom subject for verification codes
    mail_body="Your verification code is: {verifcode}", # Optional: Custom email body for verification codes. The text "{verifcode}" is replaced with the verification code. Use HTML or plain text in the template. It is recommended to read the template from a file and pass it here.
    blocking=True/False,  # Optional: True to enable user blocking
    rate_limiting=0, # Optional: Set to 0 to disable rate limiting, or a positive integer to enable rate limiting with that cooldown period in seconds between user requests.
    rate_limit_penalty=0,  # Optional: Set to 0 to disable rate limiting penalty, or a positive integer to set the penalty in seconds for rate limiting. If rate limiting is enabled, this is the penalty in seconds added to the cooldown period for violating the cooldown. Requires `rate_limiting` to be set to a positive integer.
    readable_errors=True/False,  # Optional: False to switch to numeric error codes translated in the README.md file
    code_length=6,  # Optional: Length of the numeric verification code (default is 6 characters).
    db_attempts=6,  # Optional: Number of attempts to initially connect to MongoDB (default is 6).
    db_delay=10,  # Optional: Delay in seconds between MongoDB initial connection attempts (default is 10 seconds).
    db_timeout=5000,  # Optional: Timeout in ms for MongoDB connection (default is 5000 ms).
    certs=certifi.where()  # Optional: Path to CA bundle for SSL verification (default is certifi's CA bundle)
)

utils = Utils(
    mongo_uri="mongodb://localhost:27017", # Must match the Auth module's mongo_uri
    db_name="auth", # Must match the Auth module's db_name
    attempts=6,  # Optional: Number of attempts for initial MongoDB connection (default is 6).
    readable_errors=True/False,  # Optional: False to switch to numeric error codes translated in the README.md file
    delay=10,  # Optional: Delay in seconds between MongoDB initial connection attempts (default is 10 seconds).
    timeout=5000,  # Optional: Timeout in ms for MongoDB connection (default is 5000 ms).
    certs=certifi.where()  # Optional: Path to CA bundle for SSL verification (default is certifi's CA bundle)
)

coredb = CoreDB(
    mongo_uri="mongodb://localhost:27017", # Must match the Auth module's mongo_uri
    db_name="auth", # Must match the Auth module's db_name
    attempts=6,  # Optional: Number of attempts for initial MongoDB connection (default is 6).
    readable_errors=True/False,  # Optional: False to switch to numeric error codes translated in the README.md file
    delay=10,  # Optional: Delay in seconds between MongoDB initial connection attempts (default is 10 seconds).
    timeout=5000,  # Optional: Timeout in ms for MongoDB connection (default is 5000 ms).
    certs=certifi.where()  # Optional: Path to CA bundle for SSL verification (default is certifi's CA bundle)
)

This code initializes the modules. The Auth module is used for most functions. The Utils module is used for utility functions that are designed for user management, data retrieval, and status checks that are not intended to directly process user input. The CoreDB module is used for direct database interactions, such as manually resetting or deleting the db and collections. The mail arguments are not required but needed to use verification code functionality. Each module can be initialized separately if you only need specific functionalities of one or two module(s). Make sure to use the same mongo uri and db name for all modules. The blocking argument is optional and defaults to True. If set to True, it enables user blocking functionality. The rate_limiting argument is optional and defaults to 0, which disables rate limiting. If configured with x number of seconds, it will refuse more than two requests per email address in that time period (timer reset upon successful or unsuccessful request). rate_limit_penalty can be used to add a stackable cooldown penalty to the timer per user. The mail subject and body arguments can be customized using your own templates. Be sure to include the {verifcode} placeholder in the body, as it will be replaced with the actual verification code sent to the user. Both HTML and plain text formats are supported for the email body. It is recommended to read the email body from a file and pass it to the mail_body argument. Both blocking and rate limiting are optional and only affect functions in the Auth module. The data can be easily accessed externally by connecting to the same mongodb instance, navigating to the database passed to the db_name argument, and then accessing the users, blocked, and limit collections. All methods return True or False (unless the method is meant to return data) with additional detailed outcome reports (as in the following format) EXCEPT for the CoreDB methods, which have no returns or returns of data.: { "success": True/False, "message": "specific message or error code" }

Function Reference - auth.example_func(args)

All functions return a dictionary: {"success": True/False, "message": "specific message"}.

User Registration & Verification

  • auth.register_user(email, password, custom_data=None, cust_length=None, ignore_rate_limit=False)

    • Registers a user and sends a verification code via email.
    • Parameters:
      • email (str): User's email address.
      • password (str): User's password.
      • custom_data (any, optional): Additional user info to store. If None, defaults to an empty dictionary.
      • cust_length (int, optional): Length of the verification code. If None, defaults to the module's code_length setting.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.
  • auth.register_user_no_verif(email, password, custom_data=None, ignore_rate_limit=False)

    • Registers a user without email verification.
    • Parameters:
      • email (str): User's email address.
      • password (str): User's password.
      • custom_data (any, optional): Additional user info to store. If None, defaults to an empty dictionary.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.
  • auth.register_user_no_pass(email, custom_data=None, cust_length=None, ignore_rate_limit=False)

    • Registers a user without a password and sends a verification code via email.
    • Parameters:
      • email (str): User's email address.
      • custom_data (any, optional): Additional user info to store. If None, defaults to an empty dictionary.
      • cust_length (int, optional): Length of the verification code. If None, defaults to the module's code_length setting.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.
  • auth.verify_user(email, code, ignore_rate_limit=False)

    • Verifies a user by checking the provided verification code.
    • Parameters:
      • email (str): User's email address.
      • code (str): Verification code sent to the user.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.

Authentication

  • auth.authenticate_user(email, password, mfa=False, cust_length=None, ignore_rate_limit=False)

    • Authenticates a user. Requires the user to be verified.
    • Parameters:
      • email (str): User's email address.
      • password (str): User's password.
      • mfa (bool, optional): If set to True, it will send the user a numeric code to their email for multi-factor authentication. Defaults to False.
      • cust_length (int, optional): Length of the verification code for MFA. If None, defaults to the module's code_length setting.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.
  • auth.verify_mfa_code(email, code, ignore_rate_limit=False)

    • Verifies the multi-factor authentication code sent to the user's email. Can be used in conjunction with register_user_no_pass(), verify_user(), and generate_code() for passwordless sign-in.
    • Parameters:
      • email (str): User's email address.
      • code (str): Numeric code sent to the user's email.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.

MFA Code Management

  • auth.generate_code(email, cust_length=None, ignore_rate_limit=False)
    • Generates and emails a code to the user. Call before password and email resets or when signing in without password.
    • Parameters:
      • email (str): User's email address.
      • cust_length (int, optional): Length of the verification code. If None, defaults to the module's code_length setting.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.

Password Management

  • auth.reset_password_no_verif(email, old_password, new_password, ignore_rate_limit=False)

    • Resets the user's password after verifying the old password. No email code required.
    • Parameters:
      • email (str): User's email address.
      • old_password (str): User's current password.
      • new_password (str): New password to set.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.
  • auth.verify_reset_code_and_reset_password(email, reset_code, new_password, ignore_rate_limit=False)

    • Verifies a password reset code and resets the user's password.
    • Parameters:
      • email (str): User's email address.
      • reset_code (str): Code sent to the user's email.
      • new_password (str): New password to set.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.

Email Management

  • auth.change_email_no_verif(email, new_email, password, ignore_rate_limit=False)

    • Changes the user's email address without requiring email verification.
    • Parameters:
      • email (str): User's current email address.
      • new_email (str): New email address to set.
      • password (str): User's password.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.
  • auth.verify_reset_code_and_change_email(email, reset_code, new_email, password=None, ignore_rate_limit=False)

    • Changes the user's email address after verifying a reset code sent to their email. Optionally uses password verification if the user has a saved password.
    • Parameters:
      • email (str): User's current email address.
      • reset_code (str): Reset code sent to the user's email.
      • new_email (str): New email address to set.
      • password (str, optional): User's password for additional verification.
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.

User Deletion & Blocking

When a user is blocked, they cannot log in or perform any actions that require authentication.

  • auth.delete_user(email, password, del_from_blocking=True, ignore_rate_limit=False)

    • Deletes a user from the database if credentials match. If del_from_blocking is True, also removes from the blocking database.
    • Parameters:
      • email (str): User's email address.
      • password (str): User's password.
      • del_from_blocking (bool, optional): Also remove from blocking database (default: True).
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.
  • auth.delete_user_with_verif(email, password, code, del_from_blocking=True, ignore_rate_limit=False)

    • Deletes a user from the database if credentials and code match. If del_from_blocking is True, also removes from the blocking database.
    • Parameters:
      • email (str): User's email address.
      • password (str): User's password.
      • code (str): Verification code sent to the user's email.
      • del_from_blocking (bool, optional): Also remove from blocking database (default: True).
      • ignore_rate_limit (bool, optional): If set to True, it will skip the rate limit checking and updating for this request. Defaults to False.
  • utils.block_user(email)

    • Blocks a user by setting their status to "blocked".
    • Parameters:
      • email (str): User's email address.
  • utils.unblock_user(email)

    • Unblocks a user.
    • Parameters:
      • email (str): User's email address.

User Status Checks

  • utils.is_blocked(email)

    • Checks if a user is blocked (returns status in success portion of dict).
    • Parameters:
      • email (str): User's email address.
  • utils.is_verified(email)

    • Checks if a user is verified (returns status in success portion of dict).
    • Parameters:
      • email (str): User's email address.

Rate Limiting

  • utils.time_since_request(email)

    • Returns the time in seconds since the last request for a user or -1 if error/not found. Only returns int.
    • Parameters:
      • email (str): User's email address.
  • auth.is_rate_limited(email)

    • Checks if a user is currently rate-limited (returns status in success portion of dict).
    • Parameters:
      • email (str): User's email address.
  • auth.update_rate_limit(email)

    • Updates the rate limit for a user by setting the time of the last request to current time unless user is under cooldown penalty. Does not return rate limit state - only success of operation.
    • Parameters:
      • email (str): User's email address.
  • auth.check_and_update_rate_limit(email)

    • Checks if a user is rate-limited (returns status in success portion of dict like most other functions) and updates the last request time to now unless the user is under cooldown penalty.
    • Parameters:
      • email (str): User's email address.

Custom User Data

Custom user data is a flexible field that can store any type of data. It is stored alongside the normal user data. Store all custom data in a dictionary format for more storage and to use the 2nd and 4th functions in the section below. If the method is meant to return data, it will do so in the following format:

{ "success": True/False, "message": "Custom user data if success OR error code if failure" }

  • utils.get_cust_usr_data(email)

    • Returns all custom user data for the user.
    • Parameters:
      • email (str): User's email address.
  • utils.get_some_cust_usr_data(email, field)

    • Returns a specific dictionary entry from the user's custom data. REQUIRES the custom data to be stored in a dictionary format.
    • Parameters:
      • email (str): User's email address.
      • field (str): Dictionary name to retrieve.
  • utils.replace_usr_data(email, custom_data)

    • Replaces the user's custom data with new data.
    • Parameters:
      • email (str): User's email address.
      • custom_data (any): New custom data to store.
  • utils.update_usr_data(email, field, custom_data)

    • Updates a specific dictionary entry in the user's custom data. REQUIRES the custom data to be stored in a dictionary format.
    • Parameters:
      • email (str): User's email address.
      • field (str): Dictionary name to update.
      • custom_data (any): New value for the field.

Module class methods

  • auth.del(self)

    • Closes the MongoDB connection when the module instance is deleted.
  • utils.del(self)

    • Closes the MongoDB connection when the module instance is deleted.
  • coredb.del(self)

    • Closes the MongoDB connection when the module instance is deleted.

Database Management

The CoreDB module provides functions for managing the MongoDB database and its collections. It allows you to create, delete, and reset collections as needed. These functions have no return values, but they will raise exceptions if the operations fail. The necessary collections and database will be created automatically when any of the modules are initialized, so you do not need to call these functions unless you want to reset, delete, or re-create the collections or database.

IT IS RECOMMENDED TO RUN THESE FUNCTIONS IN A TRY EXCEPT BLOCK TO HANDLE ANY EXCEPTIONS. BE CAREFUL when using these functions, as they WILL delete data permanently.

  • coredb.remove_users_collection()

    • Deletes the users collection from the database.
  • coredb.remove_blocked_collection()

    • Deletes the blocked collection from the database.
  • coredb.remove_limit_collection()

    • Deletes the limit collection from the database.
  • coredb.remove_all_collections()

    • Deletes all collections from the database.
  • coredb.create_users_collection()

    • Creates the users collection in the database.
  • coredb.create_blocked_collection()

    • Creates the blocked collection in the database.
  • coredb.create_limit_collection()

    • Creates the limit collection in the database.
  • coredb.create_all_collections()

    • Creates all collections (users, blocked, limit) in the database.
  • coredb.reset_users_collection()

    • Resets the users collection by deleting the collection and re-creating it.
  • coredb.reset_blocked_collection()

    • Resets the blocked collection by deleting the collection and re-creating it.
  • coredb.reset_limit_collection()

    • Resets the limit collection by deleting the collection and re-creating it.
  • coredb.reset_all_collections()

    • Resets all collections (users, blocked, limit) by deleting and re-creating them.
  • coredb.remove_db()

    • Deletes the entire database.
  • coredb.create_db()

    • Creates the database without any collections.
  • coredb.reset_db()

    • Resets the database by deleting it, re-creating it, and creating all three collections.

Statistic Functions

It is still recommended to run these functions in a try except block to handle any exceptions. These functions dump MongoDB statistics and return the results.

  • coredb.user_count()

    • Returns the number of users in the users collection as int.
  • coredb.db_data_size()

    • Returns the size of the database in bytes as int.
  • coredb.db_storage_size()

    • Returns the storage size of the database in bytes as int.
  • coredb.db_index_size()

    • Returns the size of the indexes in the database in bytes as int.
  • coredb.db_raw_stats()

    • Returns the raw database statistics as a dictionary.

Requirements

  • Python >= 3.8
  • bcrypt >= 4.0.0
  • pymongo >= 4.0.0
  • certifi >= 2025.6.15

Return code translation

These codes are returned by the functions in the package if readable_errors is set to False. Error codes starting with 2xx indicate success, while those starting with 4xx indicate errors. 3xx codes indicate user status checks. 5xx codes indicate authentication errors.

Numeric CodeUser-Friendly Message
200Success
201Verification email sent.
202Authentication successful.
203Password reset successful.
204User deleted.
205Custom user data field updated.
206Custom user data changed.
207User unblocked.
300User verified.
301User is not blocked.
302User is not verified.
400Error
401User exceeded rate limits.
402User already exists.
403User is blocked.
404User not found.
410Failed to delete user.
412Field not found.
417Invalid code.
419Failed to delete user.
420User deleted but not from blocked database.
421Failed to delete user from all databases.
423User is not found in blocked database.
500Invalid old password.
501Invalid password.
502Invalid credentials.
503Invalid email format.

License

GNU Affero General Public License v3

Author

Lukbrew25

...and all future contributors!

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