(20250220) Bug fix in reminders for work.

This commit is contained in:
2025-02-20 13:07:41 +05:30
parent 1985d8c6a4
commit 2435760ea3
10 changed files with 846 additions and 3 deletions
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"""
AUTHOR:
Khushal P Soonderji
DATE:
Thursday, 19th Dec., 2024
OBJECTIVE:
To handle all SMS related behaviour from one place.
REFERENCES:
N/A
DOWNLOADS:
N/A
"""
# *****************************************************************************************************************
# ***** ****
# *** IMPORT ***
# ***** ****
# *****************************************************************************************************************
# To make sibling directories accessible for imports:
import sys
sys.path.append(".")
sys.path.append("..")
# My async utils:
from utils_v2.date_time import date_time
from utils_v2.security.otp import HashedOTP
from utils_v2.database.async_mongo_v2 import AsyncMongo
from utils_v2.cache.async_redis_cache_v2 import AsyncRedisCache
# Controllers:
from controllers_v2.message.sms.base import SMSController
# Models:
from models.core.auth_token import CoreAuthTokenModel
from models.common.function_response import FunctionCallResponse
from models.common.otp.timed_otp import GenerateTimedOTP, VerifyTimedOTP
from models.message.sms.send import NimbusSMSIndiaMessage, SavvyBulkSMSKenyaMessage
# To work with datatypes:
from typing import List, Any
# For debugging:
from icecream import IceCreamDebugger
# *****************************************************************************************************************
# ***** ****
# *** MACROS / ONE-TIME INIT ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** VARIABLES ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** FUNCTIONS ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** CLASSES ***
# ***** ****
# *****************************************************************************************************************
class TimedOTPController:
# ┏┓┓ ┓┏
# ┃ ┃┏┓┏┏ ┃┃┏┓┏┓┏
# ┗┛┗┗┻┛┛ ┗┛┗┻┛ ┛
KEY_PREFIX = "otp_"
# ┏┓
# ┃ ┏┓┏┓┏╋┏┓┓┏┏╋┏┓┏┓
# ┗┛┗┛┛┗┛┗┛ ┗┻┗┗┗┛┛
def __init__(
self,
debug: bool = True,
debug_prefix: str = "TOTP (C) | ",
debug_only_errors: bool = True
):
"""
This is a simple controller that will allow us to generate and verify timed OTPs.
:param debug: Whether, or not, you would like to print debugging messages:
:param debug_prefix: The prefix to print with the debugging messages.
:param debug_only_errors: Whether you would like to print only error messages or all messages.
:return: None.
"""
# For debugging:
self._printer = IceCreamDebugger(prefix = debug_prefix, includeContext = True)
if not debug: self._printer.disable()
self._debug_only_errors = debug_only_errors
def enable_terminal_print(self):
self._printer.enable()
def disable_terminal_print(self):
self._printer.disable()
def debug_only_errors(self):
self._debug_only_errors = True
def debug_everything(self):
self._debug_only_errors = False
# ┏┓┏┳┓┏┓ ┏┓ •
# ┃┃ ┃ ┃┃ ┃┓┏┓┏┓┏┓┏┓┏┓╋┓┏┓┏┓
# ┗┛ ┻ ┣┛ ┗┛┗ ┛┗┗ ┛ ┗┻┗┗┗┛┛┗
async def generate(
self,
redis_cache: AsyncRedisCache,
inbound_data: GenerateTimedOTP
) -> str | None:
"""
To generate one OTP and store it in cache.
:param redis_cache: The instance of the cache client to use to hold the OTP.
:param inbound_data: The
:return:
"""
# Generate the OTP:
otp_key = self.KEY_PREFIX + redis_cache.make_key(str(inbound_data.id))
otp_client = HashedOTP(secret = HashedOTP.generate_secret())
otp = otp_client.generate_otp(count = 0)
# Store the OTP in Redis:
otp_stored = await redis_cache.set(
key = otp_key,
value = {
"otp": otp,
"att": inbound_data.attempts,
"iat": date_time.get_current_utc_date_time().timestamp(),
"sec": inbound_data.seconds
},
expiry = inbound_data.seconds
)
# Done here:
return otp if otp_stored else None
async def generate_and_send_sms(
self,
mongo_data_conn: AsyncMongo,
redis_cache: AsyncRedisCache,
auth_token: CoreAuthTokenModel,
sms_client: SMSController,
sms_message: NimbusSMSIndiaMessage | SavvyBulkSMSKenyaMessage,
inbound_data: GenerateTimedOTP,
tags: List[str] = None
) -> FunctionCallResponse:
"""
Generate an OTP and send it via SMS.
:param mongo_data_conn: The client to use to connect to the database.
:param redis_cache: The client to use to connect to the cache.
:param auth_token: The credentials
:param sms_client:
:param sms_message:
:param inbound_data:
:param tags:
:return:
"""
# Start by assuming failure:
response = FunctionCallResponse()
# Generate the OTP:
otp = await self.generate(redis_cache, inbound_data)
if not otp:
response.message = "Failed to generate OTP."
return response
# Send the SMS:
sms_response = await sms_client.send_many_sms(
mongo_data_conn = mongo_data_conn,
auth_token = auth_token,
messages = [sms_message],
tags = tags
)
# Analyze the actions:
success = True if sms_response.successCount == 1 else False
response.success = success
response.message = "OTP sent successfully." if success else "OTP could NOT be sent."
# Done here:
return response
# ┏┓┏┳┓┏┓ ┓┏ •┏• •
# ┃┃ ┃ ┃┃ ┃┃┏┓┏┓┓╋┓┏┏┓╋┓┏┓┏┓
# ┗┛ ┻ ┣┛ ┗┛┗ ┛ ┗┛┗┗┗┻┗┗┗┛┛┗
async def verify(
self,
redis_cache: AsyncRedisCache,
inbound_data: VerifyTimedOTP
) -> FunctionCallResponse:
"""
To verify if an OTP is valid, or not.
:param redis_cache:
:param inbound_data:
:return:
"""
# Start by assuming failure:
response = FunctionCallResponse()
# Fetch the OTP from Redis:
otp_key = self.KEY_PREFIX + redis_cache.make_key(str(inbound_data.id))
stored_otp = await redis_cache.get(key = otp_key)
if not stored_otp:
response.message = "No OTP found for this request. It may have expired."
return response
# Delete the record from the cache.:
await redis_cache.delete(key = otp_key)
# Make note of the attempts left.
# We reduce the count by one straightaway:
attempts_left = stored_otp["att"] - 1
# If the stored OTP matches the claimed OTP,
# we note down the acceptance and delete the record from the cache:
if inbound_data.otp == stored_otp["otp"]:
response.success = True
response.message = "OTP verified successfully."
return response
# If the stored OTP and the claimed OTP don't match,
# we reduce the attempt count and store the updated payload in cache:
elif attempts_left > 0:
otp_updated = await redis_cache.set(
key = otp_key,
value = {
"otp": stored_otp["otp"],
"att": attempts_left,
"iat": stored_otp["iat"],
"sec": stored_otp["sec"]
},
expiry = (stored_otp["iat"] + stored_otp["sec"]) - date_time.get_current_utc_date_time().timestamp()
)
if not otp_updated: attempts_left = 0
# Done here:
response.message = f"Invalid OTP. {attempts_left} attempts left."
return response
# *****************************************************************************************************************
# ***** ****
# *** MAIN PROGRAM ***
# ***** ****
# *****************************************************************************************************************
if __name__ == "__main__":
pass