697 lines
28 KiB
Python
697 lines
28 KiB
Python
"""
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Interface to the Gateway system.
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Manages users and mandates for authentication.
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"""
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from datetime import datetime
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import os
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import logging
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from typing import Dict, Any, List, Optional, Union
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import importlib
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import json
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from passlib.context import CryptContext
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from modules.connectors.connectorDbJson import DatabaseConnector
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from modules.shared.configuration import APP_CONFIG
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from modules.interfaces.gatewayAccess import GatewayAccess
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from modules.interfaces.gatewayModel import User, Mandate, UserInDB, UserConnection
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logger = logging.getLogger(__name__)
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# Singleton factory for GatewayInterface instances per context
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_gatewayInterfaces = {}
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# Root interface instance
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_rootGatewayInterface = None
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# Password-Hashing
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pwdContext = CryptContext(schemes=["argon2"], deprecated="auto")
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class GatewayInterface:
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"""
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Interface to the Gateway system.
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Manages users and mandates.
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"""
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def __init__(self, currentUser: Dict[str, Any] = None):
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"""Initializes the Gateway Interface."""
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# Initialize variables
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self.currentUser = currentUser
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self.userId = currentUser.get("id") if currentUser else None
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self.access = None # Will be set when user context is provided
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# Initialize database
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self._initializeDatabase()
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# Initialize standard records if needed
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self._initRecords()
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# Set user context if provided
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if currentUser:
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self.setUserContext(currentUser)
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def setUserContext(self, currentUser: Dict[str, Any]):
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"""Sets the user context for the interface."""
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if not currentUser:
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logger.info("Initializing interface without user context")
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return
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self.currentUser = currentUser
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self.userId = currentUser.get("id")
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if not self.userId:
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raise ValueError("Invalid user context: id is required")
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# Add language settings
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self.userLanguage = currentUser.get("language", "en") # Default user language
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# Initialize access control with user context
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self.access = GatewayAccess(self.currentUser, self.db)
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logger.debug(f"User context set: userId={self.userId}")
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def _initializeDatabase(self):
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"""Initializes the database connection."""
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try:
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# Get configuration values with defaults
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dbHost = APP_CONFIG.get("DB_GATEWAY_HOST", "data")
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dbDatabase = APP_CONFIG.get("DB_GATEWAY_DATABASE", "gateway")
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dbUser = APP_CONFIG.get("DB_GATEWAY_USER")
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dbPassword = APP_CONFIG.get("DB_GATEWAY_PASSWORD_SECRET")
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# Ensure the database directory exists
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os.makedirs(dbHost, exist_ok=True)
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self.db = DatabaseConnector(
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dbHost=dbHost,
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dbDatabase=dbDatabase,
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dbUser=dbUser,
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dbPassword=dbPassword
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)
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logger.info("Database initialized successfully")
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except Exception as e:
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logger.error(f"Failed to initialize database: {str(e)}")
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raise
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def _initRecords(self):
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self._initRootMandate()
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self._initAdminUser()
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def _initRootMandate(self):
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"""Creates the Root mandate if it doesn't exist."""
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existingMandateId = self.getInitialId("mandates")
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mandates = self.db.getRecordset("mandates")
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if existingMandateId is None or not mandates:
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logger.info("Creating Root mandate")
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rootMandate = {
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"name": "Root",
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"language": "en"
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}
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createdMandate = self.db.recordCreate("mandates", rootMandate)
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logger.info(f"Root mandate created with ID {createdMandate['id']}")
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# Register the initial ID
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self.db._registerInitialId("mandates", createdMandate['id'])
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# Update mandate context
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self.currentUser["mandateId"] = createdMandate['id']
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def _initAdminUser(self):
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"""Creates the Admin user if it doesn't exist."""
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existingUserId = self.getInitialId("users")
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users = self.db.getRecordset("users")
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if existingUserId is None or not users:
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logger.info("Creating Admin user")
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adminUser = {
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"mandateId": self.getInitialId("mandates"),
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"username": "admin",
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"email": "admin@example.com",
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"fullName": "Administrator",
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"disabled": False,
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"language": "en",
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"privilege": "sysadmin",
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"authenticationAuthority": "local",
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"hashedPassword": self._getPasswordHash("The 1st Poweron Admin") # Use a secure password in production!
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}
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createdUser = self.db.recordCreate("users", adminUser)
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logger.info(f"Admin user created with ID {createdUser['id']}")
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# Register the initial ID
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self.db._registerInitialId("users", createdUser['id'])
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# Update user context
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self.currentUser = createdUser
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self.userId = createdUser.get("id")
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def _uam(self, table: str, recordset: List[Dict[str, Any]]) -> List[Dict[str, Any]]:
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"""
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Unified user access management function that filters data based on user privileges
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and adds access control attributes.
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Args:
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table: Name of the table
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recordset: Recordset to filter based on access rules
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Returns:
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Filtered recordset with access control attributes
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"""
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return self.access.uam(table, recordset)
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def _canModify(self, table: str, recordId: Optional[str] = None) -> bool:
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"""
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Checks if the current user can modify (create/update/delete) records in a table.
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Args:
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table: Name of the table
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recordId: Optional record ID for specific record check
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Returns:
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Boolean indicating permission
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"""
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return self.access.canModify(table, recordId)
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def getInitialId(self, table: str) -> Optional[str]:
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"""Returns the initial ID for a table."""
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return self.db.getInitialId(table)
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def _getPasswordHash(self, password: str) -> str:
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"""Creates a hash for a password."""
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return pwdContext.hash(password)
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def _verifyPassword(self, plainPassword: str, hashedPassword: str) -> bool:
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"""Checks if the password matches the hash."""
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return pwdContext.verify(plainPassword, hashedPassword)
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# Mandate methods
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def getAllMandates(self) -> List[Mandate]:
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"""Returns mandates based on user access level."""
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allMandates = self.db.getRecordset("mandates")
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filteredMandates = self._uam("mandates", allMandates)
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return [Mandate(**mandate) for mandate in filteredMandates]
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def getMandate(self, mandateId: str) -> Optional[Mandate]:
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"""Returns a mandate by ID if user has access."""
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mandates = self.db.getRecordset("mandates", recordFilter={"id": mandateId})
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if not mandates:
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return None
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filteredMandates = self._uam("mandates", mandates)
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if not filteredMandates:
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return None
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return Mandate(**filteredMandates[0])
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def createMandate(self, name: str, language: str = "en") -> Mandate:
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"""Creates a new mandate if user has permission."""
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if not self._canModify("mandates"):
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raise PermissionError("No permission to create mandates")
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# Create and validate mandate data using Pydantic model
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mandateData = Mandate(
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name=name,
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language=language
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)
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# Convert to dict for database storage
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created = self.db.recordCreate("mandates", mandateData.model_dump())
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return Mandate(**created)
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def updateMandate(self, mandateId: str, mandateData: Dict[str, Any]) -> Mandate:
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"""Updates a mandate if user has access."""
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# Check if the mandate exists and user has access
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mandate = self.getMandate(mandateId)
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if not mandate:
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raise ValueError(f"Mandate with ID {mandateId} not found")
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if not self._canModify("mandates", mandateId):
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raise PermissionError(f"No permission to update mandate {mandateId}")
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# Validate update data using Pydantic model
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try:
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# Create a new Mandate instance with existing data plus updates
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updatedMandate = Mandate(**{**mandate.model_dump(), **mandateData})
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except Exception as e:
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raise ValueError(f"Invalid mandate data: {str(e)}")
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# Update the mandate
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updated = self.db.recordModify("mandates", mandateId, updatedMandate.model_dump())
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return Mandate(**updated)
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def deleteMandate(self, mandateId: str) -> bool:
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"""
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Deletes a mandate and all associated users and data if user has permission.
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"""
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# Check if the mandate exists and user has access
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mandate = self.getMandate(mandateId)
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if not mandate:
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return False
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if not self._canModify("mandates", mandateId):
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raise PermissionError(f"No permission to delete mandate {mandateId}")
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# Check if it's the initial mandate
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initialMandateId = self.getInitialId("mandates")
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if initialMandateId is not None and mandateId == initialMandateId:
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logger.warning(f"Attempt to delete the Root mandate was prevented")
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return False
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# Find all users of the mandate
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users = self.getUsersByMandate(mandateId)
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# Delete all users of the mandate and their associated data
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for user in users:
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self.deleteUser(user["id"])
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# Delete the mandate
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success = self.db.recordDelete("mandates", mandateId)
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if success:
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logger.info(f"Mandate with ID {mandateId} was successfully deleted")
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else:
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logger.error(f"Error deleting mandate with ID {mandateId}")
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return success
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# User methods
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def getAllUsers(self) -> List[User]:
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"""Returns users based on user access level."""
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allUsers = self.db.getRecordset("users")
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filteredUsers = self._uam("users", allUsers)
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# Remove password hashes
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for user in filteredUsers:
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if "hashedPassword" in user:
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del user["hashedPassword"]
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return [User(**user) for user in filteredUsers]
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def getUsersByMandate(self, mandateId: str) -> List[User]:
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"""Returns users for a specific mandate if user has access."""
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# Get users for this mandate
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users = self.db.getRecordset("users", recordFilter={"mandateId": mandateId})
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filteredUsers = self._uam("users", users)
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# Remove password hashes
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for user in filteredUsers:
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if "hashedPassword" in user:
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del user["hashedPassword"]
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return [User(**user) for user in filteredUsers]
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def getUserByUsername(self, username: str) -> Optional[User]:
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"""Returns a user by username."""
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try:
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# Get users table
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users = self.db.getRecordset("users")
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if not users:
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return None
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# Find user by username
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for user in users:
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if user.get("username") == username:
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logger.info(f"Found user with username {username}")
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logger.debug(f"User fields: {list(user.keys())}")
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return User(**user)
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logger.info(f"No user found with username {username}")
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return None
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except Exception as e:
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logger.error(f"Error getting user by username: {str(e)}")
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return None
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def getUser(self, userId: str) -> Optional[User]:
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"""Returns a user by ID if user has access."""
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users = self.db.getRecordset("users", recordFilter={"id": userId})
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if not users:
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return None
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filteredUsers = self._uam("users", users)
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if not filteredUsers:
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return None
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user = filteredUsers[0]
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# Remove password hash
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if "hashedPassword" in user:
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userCopy = user.copy()
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del userCopy["hashedPassword"]
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return User(**userCopy)
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return User(**user)
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def addUserConnection(self, userId: str, authority: str, externalId: str, externalUsername: str, externalEmail: Optional[str] = None) -> UserConnection:
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"""Add a new connection to an external service for a user"""
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try:
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# Get user
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user = self.getUser(userId)
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if not user:
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raise ValueError(f"User {userId} not found")
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# Check if connection already exists
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for conn in user.connections:
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if conn.authority == authority and conn.externalId == externalId:
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raise ValueError(f"Connection to {authority} already exists for user {userId}")
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# Create new connection
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connection = UserConnection(
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authority=authority,
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externalId=externalId,
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externalUsername=externalUsername,
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externalEmail=externalEmail
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)
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# Add connection to user
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user.connections.append(connection)
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# Update user record
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self.db.recordModify("users", userId, {"connections": [c.model_dump() for c in user.connections]})
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return connection
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except Exception as e:
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logger.error(f"Error adding user connection: {str(e)}")
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raise ValueError(f"Failed to add user connection: {str(e)}")
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def removeUserConnection(self, userId: str, connectionId: str) -> None:
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"""Remove a connection to an external service for a user"""
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try:
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# Get user
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user = self.getUser(userId)
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if not user:
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raise ValueError(f"User {userId} not found")
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# Find and remove connection
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user.connections = [c for c in user.connections if c.id != connectionId]
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# Update user record
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self.db.recordModify("users", userId, {"connections": [c.model_dump() for c in user.connections]})
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except Exception as e:
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logger.error(f"Error removing user connection: {str(e)}")
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raise ValueError(f"Failed to remove user connection: {str(e)}")
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def authenticateUser(self, username: str, password: str = None, authority: str = "local", external_token: str = None) -> Optional[User]:
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"""Authenticates a user by username and password or external authority."""
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# Clear the users table from cache and reload it
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if "users" in self.db._tablesCache:
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del self.db._tablesCache["users"]
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# Get user by username
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user = self.getUserByUsername(username)
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if not user:
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raise ValueError("User not found")
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# Check if the user is disabled
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if user.disabled:
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raise ValueError("User is disabled")
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# Handle authentication based on authority
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if authority == "local":
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if not password:
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raise ValueError("Password is required for local authentication")
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# Get the full user record with password hash for verification
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userWithPassword = UserInDB(**self.db.getRecordset("users", recordFilter={"id": user.id})[0])
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if not self._verifyPassword(password, userWithPassword.hashedPassword):
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raise ValueError("Invalid password")
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elif authority in ["microsoft", "google"]: # Support for multiple external auth providers
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# Verify that the user has the correct authentication authority
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if user.authenticationAuthority != authority:
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raise ValueError(f"User does not have {authority} authentication enabled")
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# Verify that the user has a valid connection for this authority
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if not any(conn.authority == authority for conn in user.connections):
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raise ValueError(f"User does not have a valid {authority} connection")
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# Verify the external token
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if not external_token:
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raise ValueError(f"External token is required for {authority} authentication")
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# Get the appropriate auth service
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if authority == "microsoft":
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from .msftInterface import getInterface as getMsftInterface
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auth_service = getMsftInterface({"_mandateId": user._mandateId, "id": user.id})
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elif authority == "google":
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from .googleInterface import getInterface as getGoogleInterface
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auth_service = getGoogleInterface({"_mandateId": user._mandateId, "id": user.id})
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else:
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raise ValueError(f"Unsupported authentication authority: {authority}")
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# Verify the token
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if not auth_service.verifyToken(external_token):
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raise ValueError(f"Invalid or expired {authority} token")
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else:
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raise ValueError(f"Unknown authentication authority: {authority}")
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return user
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def createUser(self, username: str, password: str = None, email: str = None, fullName: str = None,
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language: str = "en", disabled: bool = False,
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privilege: str = "user", authenticationAuthority: str = "local",
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externalId: str = None, externalUsername: str = None, externalEmail: str = None) -> User:
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"""Create a new user with optional external connection"""
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try:
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# Validate username
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if not username:
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raise ValueError("Username is required")
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# Check if user already exists with the same authentication authority
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existingUser = self.getUserByUsername(username)
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if existingUser and existingUser.authenticationAuthority == authenticationAuthority:
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raise ValueError(f"Username '{username}' already exists with {authenticationAuthority} authentication")
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# Validate password for local authentication
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if authenticationAuthority == "local":
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if not password:
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raise ValueError("Password is required for local authentication")
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if len(password) < 8:
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raise ValueError("Password must be at least 8 characters long")
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# Create user data using UserInDB model
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userData = UserInDB(
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username=username,
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email=email,
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fullName=fullName,
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language=language,
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mandateId=self.currentUser.get("mandateId"),
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disabled=disabled,
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privilege=privilege,
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authenticationAuthority=authenticationAuthority,
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hashedPassword=self._getPasswordHash(password) if authenticationAuthority == "local" else None,
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connections=[]
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)
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# Create user record
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createdRecord = self.db.recordCreate("users", userData.model_dump(exclude_none=True))
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if not createdRecord or not createdRecord.get("id"):
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raise ValueError("Failed to create user record")
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# Add external connection if provided
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if externalId and externalUsername:
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self.addUserConnection(
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createdRecord["id"],
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authenticationAuthority,
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externalId,
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externalUsername,
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externalEmail
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)
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# Get created user using the returned ID
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createdUser = self.db.getRecordset("users", recordFilter={"id": createdRecord["id"]})
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if not createdUser or len(createdUser) == 0:
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# Try to get user by username as fallback
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createdUser = self.db.getRecordset("users", recordFilter={"username": userData.username})
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if not createdUser or len(createdUser) == 0:
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raise ValueError("Failed to retrieve created user")
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# Clear users table from cache
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if hasattr(self.db, '_tablesCache') and "users" in self.db._tablesCache:
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del self.db._tablesCache["users"]
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return User(**createdUser[0])
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except ValueError as e:
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logger.error(f"Error creating user: {str(e)}")
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raise
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except Exception as e:
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logger.error(f"Unexpected error creating user: {str(e)}")
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raise ValueError(f"Failed to create user: {str(e)}")
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def updateUser(self, userId: str, userData: Dict[str, Any]) -> User:
|
|
"""Updates a user if current user has permission."""
|
|
# Check if the user exists and current user has access
|
|
user = self.getUser(userId)
|
|
if not user:
|
|
# Try to get the raw user record for admin access check
|
|
users = self.db.getRecordset("users", recordFilter={"id": userId})
|
|
if not users:
|
|
raise ValueError(f"User with ID {userId} not found")
|
|
|
|
# Check if current user is admin/sysadmin
|
|
if not self._canModify("users", userId):
|
|
raise PermissionError(f"No permission to update user {userId}")
|
|
|
|
user = users[0]
|
|
|
|
# Check privilege escalation
|
|
if "privilege" in userData:
|
|
currentPrivilege = self.currentUser.get("privilege")
|
|
targetPrivilege = userData["privilege"]
|
|
|
|
if (targetPrivilege == "sysadmin" and currentPrivilege != "sysadmin") or (
|
|
targetPrivilege == "admin" and currentPrivilege == "user"):
|
|
raise PermissionError(f"Cannot escalate privilege to {targetPrivilege}")
|
|
|
|
# If the password is being changed, hash it
|
|
if "password" in userData:
|
|
userData["hashedPassword"] = self._getPasswordHash(userData["password"])
|
|
del userData["password"]
|
|
|
|
try:
|
|
# Create a new UserInDB instance with existing data plus updates
|
|
updatedUser = UserInDB(**{**user.model_dump(), **userData})
|
|
except Exception as e:
|
|
raise ValueError(f"Invalid user data: {str(e)}")
|
|
|
|
# Update the user
|
|
updated = self.db.recordModify("users", userId, updatedUser.model_dump(exclude_none=True))
|
|
|
|
# Return User model without password hash
|
|
return User(**updated)
|
|
|
|
def disableUser(self, userId: str) -> User:
|
|
"""Disables a user if current user has permission."""
|
|
return self.updateUser(userId, {"disabled": True})
|
|
|
|
def enableUser(self, userId: str) -> User:
|
|
"""Enables a user if current user has permission."""
|
|
return self.updateUser(userId, {"disabled": False})
|
|
|
|
def _deleteUserReferencedData(self, userId: str) -> None:
|
|
"""Deletes all data associated with a user."""
|
|
# Delete user attributes
|
|
try:
|
|
attributes = self.db.getRecordset("attributes", recordFilter={"createdBy": userId})
|
|
for attribute in attributes:
|
|
self.db.recordDelete("attributes", attribute["id"])
|
|
except Exception as e:
|
|
logger.error(f"Error deleting attributes for user {userId}: {e}")
|
|
|
|
logger.info(f"All referenced data for user {userId} has been deleted")
|
|
|
|
def deleteUser(self, userId: str) -> bool:
|
|
"""Deletes a user and all associated data if current user has permission."""
|
|
# Check if the user exists
|
|
users = self.db.getRecordset("users", recordFilter={"id": userId})
|
|
if not users:
|
|
return False
|
|
|
|
# Check if current user has permission
|
|
if not self._canModify("users", userId):
|
|
raise PermissionError(f"No permission to delete user {userId}")
|
|
|
|
# Check if it's the initial user
|
|
initialUserId = self.getInitialId("users")
|
|
if initialUserId is not None and userId == initialUserId:
|
|
logger.warning("Attempt to delete the Root Admin was prevented")
|
|
return False
|
|
|
|
# Delete all data associated with the user
|
|
self._deleteUserReferencedData(userId)
|
|
|
|
# Delete the user
|
|
success = self.db.recordDelete("users", userId)
|
|
|
|
if success:
|
|
logger.info(f"User with ID {userId} was successfully deleted")
|
|
else:
|
|
logger.error(f"Error deleting user with ID {userId}")
|
|
|
|
return success
|
|
|
|
def setupLocalAuth(self, userId: str, password: str) -> User:
|
|
"""Set up local authentication for a user who registered with Microsoft"""
|
|
try:
|
|
# Get user
|
|
user = self.getUser(userId)
|
|
if not user:
|
|
raise ValueError(f"User {userId} not found")
|
|
|
|
# Validate password
|
|
if not password:
|
|
raise ValueError("Password is required")
|
|
if len(password) < 8:
|
|
raise ValueError("Password must be at least 8 characters long")
|
|
|
|
# Update user with local password
|
|
userData = {
|
|
"hashedPassword": self._getPasswordHash(password),
|
|
"authenticationAuthority": "local" # Change to local auth
|
|
}
|
|
|
|
return self.updateUser(userId, userData)
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error setting up local authentication: {str(e)}")
|
|
raise ValueError(f"Failed to set up local authentication: {str(e)}")
|
|
|
|
|
|
def getInterface(currentUser: Dict[str, Any]) -> GatewayInterface:
|
|
"""
|
|
Returns a GatewayInterface instance for the current user.
|
|
Handles initialization of database and records.
|
|
"""
|
|
mandateId = currentUser.get("mandateId")
|
|
userId = currentUser.get("id")
|
|
if not mandateId or not userId:
|
|
raise ValueError("Invalid user context: mandateId and id are required")
|
|
|
|
# Create context key
|
|
contextKey = f"{mandateId}_{userId}"
|
|
|
|
# Create new instance if not exists
|
|
if contextKey not in _gatewayInterfaces:
|
|
_gatewayInterfaces[contextKey] = GatewayInterface(currentUser)
|
|
|
|
return _gatewayInterfaces[contextKey]
|
|
|
|
def getRootUser() -> Dict[str, Any]:
|
|
"""
|
|
Returns the root user from the database.
|
|
This is the user with the initial ID in the users table.
|
|
"""
|
|
try:
|
|
readInterface = getInterface()
|
|
# Get the initial user ID
|
|
initialUserId = readInterface.db.getInitialId("users")
|
|
if not initialUserId:
|
|
raise ValueError("No initial user ID found in database")
|
|
|
|
# Get the user record
|
|
users = readInterface.db.getRecordset("users", recordFilter={"id": initialUserId})
|
|
if not users:
|
|
raise ValueError(f"Root user with ID {initialUserId} not found in database")
|
|
|
|
return users[0]
|
|
except Exception as e:
|
|
logger.error(f"Error getting root user: {str(e)}")
|
|
raise ValueError(f"Failed to get root user: {str(e)}")
|
|
|
|
def getRootInterface() -> GatewayInterface:
|
|
"""
|
|
Returns a GatewayInterface instance with root privileges.
|
|
This is used for initial setup and user creation.
|
|
"""
|
|
global _rootGatewayInterface
|
|
|
|
if _rootGatewayInterface is None:
|
|
rootUser = getRootUser()
|
|
_rootGatewayInterface = GatewayInterface(rootUser)
|
|
|
|
return _rootGatewayInterface
|