Biblioteca cliente para integracao com BFK AuthSystem
Project description
BFK AuthSystem - Cliente Python
Biblioteca Python para integracao de aplicacoes desktop com o BFK AuthSystem.
Instalacao
# Instalacao basica
pip install bfk-authsystem
# Com UI (dialogs PyQt5)
pip install bfk-authsystem[ui]
# Com hardware info avancado
pip install bfk-authsystem[hardware]
# Instalacao completa
pip install bfk-authsystem[full]
Uso Basico
from bfk_authsystem import LicenseValidator
# Criar validador
validator = LicenseValidator(
server_url='https://api.example.com/api/v1',
app_code='MYAPP'
)
# Verificar licenca
result = validator.verify(username='user', password='pass')
if result.valid:
print('Licenca valida!')
print(f'Dias ate reautenticacao: {result.days_until_reauth}')
else:
print(f'Licenca invalida: {result.message}')
Primeira Execucao (Ativacao de Licenca)
Na primeira execucao, o parametro license_key e obrigatorio para associar a maquina a licenca:
from bfk_authsystem import LicenseValidator
validator = LicenseValidator(
server_url='https://api.example.com/api/v1',
app_code='MYAPP'
)
# Primeira execucao - license_key obrigatorio
result = validator.verify(
username='user',
password='pass',
license_key='XXXX-XXXX-XXXX-XXXX' # Chave fornecida ao usuario
)
if result.valid:
print('Licenca ativada com sucesso!')
elif result.error_code == 'LICENSE_KEY_REQUIRED':
print('Chave de licenca necessaria para ativar')
Apos a primeira ativacao, license_key nao e mais necessario:
# Execucoes subsequentes - license_key opcional
result = validator.verify(username='user', password='pass')
Uso com UI (PyQt5)
from bfk_authsystem import LicenseValidator
from bfk_authsystem.ui import show_login_dialog, PYQT_AVAILABLE
if not PYQT_AVAILABLE:
print("PyQt5 nao instalado")
exit(1)
validator = LicenseValidator(
server_url='https://api.example.com/api/v1',
app_code='MYAPP'
)
# Obter app config para personalizacao
config = validator.get_app_config()
# Mostrar dialog de login
credentials = show_login_dialog(app_config=config)
if credentials:
username, password = credentials
result = validator.verify(username=username, password=password)
if result.valid:
print('Login bem-sucedido!')
Classes Principais
LicenseValidator
Classe principal para validacao de licencas.
validator = LicenseValidator(
server_url='https://api.example.com/api/v1',
app_code='MYAPP',
timeout=30.0, # Timeout em segundos
max_offline_days=7, # Dias maximos em modo offline
verify_ssl=True, # Verificar certificado SSL
cache_enabled=True # Habilitar cache local
)
# Propriedades
validator.machine_id # ID unico da maquina
validator.hostname # Nome do computador
validator.is_online # Conexao com servidor
validator.current_user # Usuario atual (apos login)
validator.app_config # Configuracao da aplicacao
# Metodos principais
result = validator.verify(
username=username,
password=password,
license_key=license_key # Obrigatorio na primeira execucao
)
tokens = validator.authenticate(username, password) # Autenticar
validator.logout() # Logout
validator.refresh_session() # Renovar sessao
ValidationResult
Resultado da verificacao de licenca.
result.valid # bool: Licenca valida
result.message # str: Mensagem
result.requires_action # RequiredAction: Acao necessaria
result.days_offline # int: Dias em modo offline
result.days_until_reauth # int: Dias ate proxima reautenticacao
result.app_config # AppConfig: Configuracao da aplicacao
result.license_info # LicenseInfo: Informacoes da licenca
result.is_offline # bool: Verificacao offline
result.schedule_info # dict: Restricoes de horario (v1.1.0+)
RequiredAction
Acoes que podem ser necessarias:
from bfk_authsystem import RequiredAction
RequiredAction.NONE # Nenhuma acao
RequiredAction.CHANGE_PASSWORD # Usuario deve trocar senha
RequiredAction.SETUP_MFA # Usuario deve configurar MFA
RequiredAction.VERIFY_MFA # Usuario deve verificar MFA
RequiredAction.REAUTH # Usuario deve reautenticar
Modo Offline
A biblioteca suporta modo offline com cache local criptografado:
validator = LicenseValidator(
server_url='https://api.example.com/api/v1',
app_code='MYAPP',
max_offline_days=7,
cache_enabled=True
)
# Verificacao funciona mesmo offline (se houver cache valido)
result = validator.verify(username='user', password='pass')
if result.is_offline:
print(f'Modo offline ({result.days_offline} dias)')
print(f'Dias restantes: {result.days_until_reauth}')
MFA (Autenticacao de Dois Fatores)
# Setup MFA
mfa_info = validator.setup_mfa()
print(f'Secret: {mfa_info.secret}')
print(f'QR Code Base64: {mfa_info.qr_code}')
# Habilitar MFA com token
recovery_codes = validator.enable_mfa(token='123456')
print(f'Recovery codes: {recovery_codes}')
# Verificar MFA
success = validator.verify_mfa(token='123456')
# Desabilitar MFA
success = validator.disable_mfa(token='123456')
Gerenciamento de Sessoes
# Listar sessoes ativas
sessions = validator.get_active_sessions()
for s in sessions:
print(f'{s.device_info} - {s.ip_address}')
if s.is_current:
print(' (sessao atual)')
# Revogar sessao
validator.revoke_session(session_id=123)
# Revogar todas as outras sessoes
count = validator.revoke_all_sessions()
print(f'{count} sessoes revogadas')
Tratamento de Erros
from bfk_authsystem import (
AuthSystemError,
AuthenticationError,
MFARequiredError,
LicenseError,
LicenseExpiredError,
NetworkError,
CircuitBreakerOpenError
)
try:
result = validator.verify(username='user', password='pass')
except AuthenticationError as e:
print(f'Credenciais invalidas: {e}')
except MFARequiredError as e:
print('MFA necessario')
# Mostrar dialog de MFA
except LicenseExpiredError as e:
print('Licenca expirada')
except NetworkError as e:
print(f'Erro de conexao: {e}')
except CircuitBreakerOpenError as e:
print('Servidor temporariamente indisponivel')
except AuthSystemError as e:
print(f'Erro: {e}')
Dialogs UI (PyQt5)
from bfk_authsystem.ui import (
PYQT_AVAILABLE,
show_login_dialog,
show_mfa_verify_dialog,
show_change_password_dialog,
show_status_dialog
)
if PYQT_AVAILABLE:
# Login
credentials = show_login_dialog(app_config=config)
# MFA
token = show_mfa_verify_dialog(app_config=config)
# Troca de senha
passwords = show_change_password_dialog(app_config=config)
# Status da licenca
show_status_dialog(
app_config=config,
user_info=user,
license_info=license,
sessions=sessions
)
Restricoes de Horario (v1.1.0+)
Licencas podem ter restricoes de horario configuradas pelo administrador.
Quando uma licenca tem restricoes, o campo schedule_info contem as informacoes:
result = validator.verify(username='user', password='pass')
if result.valid and result.schedule_info:
info = result.schedule_info
if info.get('has_restrictions'):
print(f"Fuso horario: {info.get('timezone')}")
print(f"Dias com restricao: {info.get('restricted_days')}")
# Horarios permitidos por dia
for dia, horarios in info.get('schedule', {}).items():
print(f" {dia}: {horarios}")
Estrutura de schedule_info:
{
"has_restrictions": True, # Se tem restricoes
"timezone": "America/Sao_Paulo", # Fuso horario
"restricted_days": [ # Dias com restricao
"Segunda-feira",
"Terca-feira"
],
"total_restricted_days": 2, # Total de dias
"schedule": { # Horarios permitidos
"Segunda-feira": "08:00-12:00, 14:00-18:00",
"Terca-feira": "08:00-12:00"
}
}
Notas:
- Dias sem restricao = uso liberado 24h
- Cada dia pode ter ate 2 intervalos de horario
- Se
has_restrictionsforFalse, a licenca nao tem restricoes
Resiliencia
A biblioteca inclui mecanismos de resiliencia:
- Retry com backoff exponencial: Tentativas automaticas em caso de falha
- Circuit Breaker: Protecao contra falhas em cascata
- Cache offline: Funcionamento sem conexao
Requisitos
- Python >= 3.8
- requests >= 2.31.0
- cryptography >= 41.0.0
- PyQt5 >= 5.15.0 (opcional, para UI)
Licenca
MIT License
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