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383 lines
14 KiB
Python
383 lines
14 KiB
Python
# -*- coding:utf-8 -*-
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import base64
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import logging
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import secrets
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from datetime import datetime
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from typing import Optional
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from flask import session
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from sqlalchemy import func
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from events.tenant_event import tenant_was_created
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from services.errors.account import AccountLoginError, CurrentPasswordIncorrectError, LinkAccountIntegrateError, \
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TenantNotFound, AccountNotLinkTenantError, InvalidActionError, CannotOperateSelfError, MemberNotInTenantError, \
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RoleAlreadyAssignedError, NoPermissionError, AccountRegisterError, AccountAlreadyInTenantError
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from libs.helper import get_remote_ip
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from libs.password import compare_password, hash_password
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from libs.rsa import generate_key_pair
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from models.account import *
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class AccountService:
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@staticmethod
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def load_user(account_id: int) -> Account:
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# todo: used by flask_login
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pass
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@staticmethod
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def authenticate(email: str, password: str) -> Account:
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"""authenticate account with email and password"""
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account = Account.query.filter_by(email=email).first()
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if not account:
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raise AccountLoginError('Invalid email or password.')
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if account.status == AccountStatus.BANNED.value or account.status == AccountStatus.CLOSED.value:
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raise AccountLoginError('Account is banned or closed.')
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if account.status == AccountStatus.PENDING.value:
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account.status = AccountStatus.ACTIVE.value
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account.initialized_at = datetime.utcnow()
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db.session.commit()
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if account.password is None or not compare_password(password, account.password, account.password_salt):
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raise AccountLoginError('Invalid email or password.')
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return account
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@staticmethod
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def update_account_password(account, password, new_password):
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"""update account password"""
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# todo: split validation and update
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if account.password and not compare_password(password, account.password, account.password_salt):
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raise CurrentPasswordIncorrectError("Current password is incorrect.")
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password_hashed = hash_password(new_password, account.password_salt)
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base64_password_hashed = base64.b64encode(password_hashed).decode()
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account.password = base64_password_hashed
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db.session.commit()
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return account
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@staticmethod
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def create_account(email: str, name: str, password: str = None,
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interface_language: str = 'en-US', interface_theme: str = 'light',
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timezone: str = 'America/New_York', ) -> Account:
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"""create account"""
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account = Account()
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account.email = email
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account.name = name
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if password:
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# generate password salt
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salt = secrets.token_bytes(16)
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base64_salt = base64.b64encode(salt).decode()
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# encrypt password with salt
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password_hashed = hash_password(password, salt)
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base64_password_hashed = base64.b64encode(password_hashed).decode()
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account.password = base64_password_hashed
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account.password_salt = base64_salt
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account.interface_language = interface_language
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account.interface_theme = interface_theme
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if interface_language == 'zh-Hans':
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account.timezone = 'Asia/Shanghai'
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else:
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account.timezone = timezone
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db.session.add(account)
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db.session.commit()
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return account
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@staticmethod
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def link_account_integrate(provider: str, open_id: str, account: Account) -> None:
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"""Link account integrate"""
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try:
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# Query whether there is an existing binding record for the same provider
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account_integrate: Optional[AccountIntegrate] = AccountIntegrate.query.filter_by(account_id=account.id,
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provider=provider).first()
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if account_integrate:
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# If it exists, update the record
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account_integrate.open_id = open_id
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account_integrate.encrypted_token = "" # todo
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account_integrate.updated_at = datetime.utcnow()
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else:
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# If it does not exist, create a new record
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account_integrate = AccountIntegrate(account_id=account.id, provider=provider, open_id=open_id,
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encrypted_token="")
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db.session.add(account_integrate)
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db.session.commit()
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logging.info(f'Account {account.id} linked {provider} account {open_id}.')
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except Exception as e:
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logging.exception(f'Failed to link {provider} account {open_id} to Account {account.id}')
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raise LinkAccountIntegrateError('Failed to link account.') from e
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@staticmethod
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def close_account(account: Account) -> None:
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"""todo: Close account"""
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account.status = AccountStatus.CLOSED.value
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db.session.commit()
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@staticmethod
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def update_account(account, **kwargs):
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"""Update account fields"""
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for field, value in kwargs.items():
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if hasattr(account, field):
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setattr(account, field, value)
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else:
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raise AttributeError(f"Invalid field: {field}")
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db.session.commit()
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return account
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@staticmethod
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def update_last_login(account: Account, request) -> None:
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"""Update last login time and ip"""
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account.last_login_at = datetime.utcnow()
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account.last_login_ip = get_remote_ip(request)
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db.session.add(account)
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db.session.commit()
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logging.info(f'Account {account.id} logged in successfully.')
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class TenantService:
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@staticmethod
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def create_tenant(name: str) -> Tenant:
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"""Create tenant"""
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tenant = Tenant(name=name)
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db.session.add(tenant)
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db.session.commit()
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tenant.encrypt_public_key = generate_key_pair(tenant.id)
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db.session.commit()
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return tenant
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@staticmethod
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def create_tenant_member(tenant: Tenant, account: Account, role: str = 'normal') -> TenantAccountJoin:
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"""Create tenant member"""
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if role == TenantAccountJoinRole.OWNER.value:
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if TenantService.has_roles(tenant, [TenantAccountJoinRole.OWNER]):
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logging.error(f'Tenant {tenant.id} has already an owner.')
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raise Exception('Tenant already has an owner.')
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ta = TenantAccountJoin(
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tenant_id=tenant.id,
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account_id=account.id,
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role=role
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)
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db.session.add(ta)
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db.session.commit()
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return ta
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@staticmethod
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def get_join_tenants(account: Account) -> List[Tenant]:
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"""Get account join tenants"""
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return db.session.query(Tenant).join(
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TenantAccountJoin, Tenant.id == TenantAccountJoin.tenant_id
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).filter(TenantAccountJoin.account_id == account.id).all()
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@staticmethod
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def get_current_tenant_by_account(account: Account):
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"""Get tenant by account and add the role"""
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tenant = account.current_tenant
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if not tenant:
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raise TenantNotFound("Tenant not found.")
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ta = TenantAccountJoin.query.filter_by(tenant_id=tenant.id, account_id=account.id).first()
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if ta:
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tenant.role = ta.role
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else:
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raise TenantNotFound("Tenant not found for the account.")
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return tenant
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@staticmethod
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def switch_tenant(account: Account, tenant_id: int = None) -> None:
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"""Switch the current workspace for the account"""
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if not tenant_id:
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tenant_account_join = TenantAccountJoin.query.filter_by(account_id=account.id).first()
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else:
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tenant_account_join = TenantAccountJoin.query.filter_by(account_id=account.id, tenant_id=tenant_id).first()
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# Check if the tenant exists and the account is a member of the tenant
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if not tenant_account_join:
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raise AccountNotLinkTenantError("Tenant not found or account is not a member of the tenant.")
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# Set the current tenant for the account
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account.current_tenant_id = tenant_account_join.tenant_id
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session['workspace_id'] = account.current_tenant.id
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@staticmethod
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def get_tenant_members(tenant: Tenant) -> List[Account]:
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"""Get tenant members"""
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query = (
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db.session.query(Account, TenantAccountJoin.role)
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.select_from(Account)
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.join(
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TenantAccountJoin, Account.id == TenantAccountJoin.account_id
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)
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.filter(TenantAccountJoin.tenant_id == tenant.id)
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)
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# Initialize an empty list to store the updated accounts
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updated_accounts = []
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for account, role in query:
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account.role = role
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updated_accounts.append(account)
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return updated_accounts
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@staticmethod
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def has_roles(tenant: Tenant, roles: List[TenantAccountJoinRole]) -> bool:
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"""Check if user has any of the given roles for a tenant"""
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if not all(isinstance(role, TenantAccountJoinRole) for role in roles):
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raise ValueError('all roles must be TenantAccountJoinRole')
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return db.session.query(TenantAccountJoin).filter(
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TenantAccountJoin.tenant_id == tenant.id,
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TenantAccountJoin.role.in_([role.value for role in roles])
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).first() is not None
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@staticmethod
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def get_user_role(account: Account, tenant: Tenant) -> Optional[TenantAccountJoinRole]:
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"""Get the role of the current account for a given tenant"""
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join = db.session.query(TenantAccountJoin).filter(
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TenantAccountJoin.tenant_id == tenant.id,
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TenantAccountJoin.account_id == account.id
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).first()
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return join.role if join else None
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@staticmethod
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def get_tenant_count() -> int:
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"""Get tenant count"""
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return db.session.query(func.count(Tenant.id)).scalar()
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@staticmethod
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def check_member_permission(tenant: Tenant, operator: Account, member: Account, action: str) -> None:
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"""Check member permission"""
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perms = {
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'add': ['owner', 'admin'],
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'remove': ['owner'],
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'update': ['owner']
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}
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if action not in ['add', 'remove', 'update']:
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raise InvalidActionError("Invalid action.")
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if operator.id == member.id:
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raise CannotOperateSelfError("Cannot operate self.")
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ta_operator = TenantAccountJoin.query.filter_by(
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tenant_id=tenant.id,
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account_id=operator.id
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).first()
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if not ta_operator or ta_operator.role not in perms[action]:
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raise NoPermissionError(f'No permission to {action} member.')
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@staticmethod
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def remove_member_from_tenant(tenant: Tenant, account: Account, operator: Account) -> None:
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"""Remove member from tenant"""
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# todo: check permission
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if operator.id == account.id and TenantService.check_member_permission(tenant, operator, account, 'remove'):
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raise CannotOperateSelfError("Cannot operate self.")
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ta = TenantAccountJoin.query.filter_by(tenant_id=tenant.id, account_id=account.id).first()
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if not ta:
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raise MemberNotInTenantError("Member not in tenant.")
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db.session.delete(ta)
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db.session.commit()
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@staticmethod
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def update_member_role(tenant: Tenant, member: Account, new_role: str, operator: Account) -> None:
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"""Update member role"""
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TenantService.check_member_permission(tenant, operator, member, 'update')
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target_member_join = TenantAccountJoin.query.filter_by(
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tenant_id=tenant.id,
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account_id=member.id
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).first()
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if target_member_join.role == new_role:
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raise RoleAlreadyAssignedError("The provided role is already assigned to the member.")
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if new_role == 'owner':
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# Find the current owner and change their role to 'admin'
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current_owner_join = TenantAccountJoin.query.filter_by(
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tenant_id=tenant.id,
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role='owner'
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).first()
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current_owner_join.role = 'admin'
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# Update the role of the target member
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target_member_join.role = new_role
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db.session.commit()
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@staticmethod
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def dissolve_tenant(tenant: Tenant, operator: Account) -> None:
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"""Dissolve tenant"""
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if not TenantService.check_member_permission(tenant, operator, operator, 'remove'):
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raise NoPermissionError('No permission to dissolve tenant.')
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db.session.query(TenantAccountJoin).filter_by(tenant_id=tenant.id).delete()
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db.session.delete(tenant)
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db.session.commit()
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class RegisterService:
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@staticmethod
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def register(email, name, password: str = None, open_id: str = None, provider: str = None) -> Account:
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db.session.begin_nested()
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"""Register account"""
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try:
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account = AccountService.create_account(email, name, password)
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account.status = AccountStatus.ACTIVE.value
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account.initialized_at = datetime.utcnow()
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if open_id is not None or provider is not None:
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AccountService.link_account_integrate(provider, open_id, account)
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tenant = TenantService.create_tenant(f"{account.name}'s Workspace")
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TenantService.create_tenant_member(tenant, account, role='owner')
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account.current_tenant = tenant
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db.session.commit()
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except Exception as e:
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db.session.rollback() # todo: do not work
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logging.error(f'Register failed: {e}')
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raise AccountRegisterError(f'Registration failed: {e}') from e
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tenant_was_created.send(tenant)
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return account
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@staticmethod
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def invite_new_member(tenant: Tenant, email: str, role: str = 'normal',
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inviter: Account = None) -> TenantAccountJoin:
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"""Invite new member"""
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account = Account.query.filter_by(email=email).first()
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if not account:
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name = email.split('@')[0]
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account = AccountService.create_account(email, name)
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account.status = AccountStatus.PENDING.value
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db.session.commit()
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else:
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TenantService.check_member_permission(tenant, inviter, account, 'add')
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ta = TenantAccountJoin.query.filter_by(
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tenant_id=tenant.id,
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account_id=account.id
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).first()
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if ta:
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raise AccountAlreadyInTenantError("Account already in tenant.")
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ta = TenantService.create_tenant_member(tenant, account, role)
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return ta
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