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import enum
from datetime import datetime
from sqlalchemy import (Boolean, Column, DateTime, Integer, Unicode,
UniqueConstraint, create_engine)
from sqlalchemy.exc import IntegrityError
from sqlalchemy.ext.declarative import declarative_base
from db.db import SqlDB, get_conn_str
Base = declarative_base()
engine = create_engine(get_conn_str())
class Scanner(Base):
__tablename__ = 'scanners'
__table_args__ = (
None,
UniqueConstraint('id'),
UniqueConstraint('uuid'),
)
id = Column(Integer, autoincrement=True, primary_key=True)
uuid = Column(Unicode(37), nullable=False)
enabled = Column(Boolean, nullable=False)
first_seen = Column(DateTime, default=datetime.utcnow, nullable=False)
last_seen = Column(DateTime, default=datetime.utcnow,
onupdate=datetime.utcnow, nullable=False)
comment = Column(Unicode(255), nullable=True)
scanners = Column(Unicode(2048), nullable=False)
targets = Column(Unicode(255), nullable=True)
def as_dict(self):
"""Return JSON serializable dict."""
d = {}
for col in self.__table__.columns:
value = getattr(self, col.name)
if issubclass(value.__class__, enum.Enum):
value = value.value
elif issubclass(value.__class__, Base):
continue
elif issubclass(value.__class__, datetime):
value = str(value)
d[col.name] = value
return d
@classmethod
def comment(cls, uuid, comment):
with SqlDB.sql_session() as session:
scanner: Scanner = session.query(Scanner).filter(Scanner.uuid == uuid).one_or_none()
if scanner:
scanner.comment = comment
else:
return None
return None
@classmethod
def enable(cls, uuid):
with SqlDB.sql_session() as session:
scanner: Scanner = session.query(Scanner).filter(Scanner.uuid == uuid).one_or_none()
if scanner:
scanner.enabled = True
else:
return None
return None
@classmethod
def disable(cls, uuid):
with SqlDB.sql_session() as session:
scanner: Scanner = session.query(Scanner).filter(Scanner.uuid == uuid).one_or_none()
if scanner:
scanner.enabled = False
else:
return None
return None
@classmethod
def get(cls, scanner_id=None, uuid=None):
if scanner_id is None and uuid is None:
raise ValueError('Either scanner_id or uuid must be present.')
with SqlDB.sql_session() as session:
if scanner_id:
scanner: Scanner = session.query(Scanner).filter(Scanner.id == scanner_id).one_or_none()
elif uuid:
scanner: Scanner = session.query(Scanner).filter(Scanner.uuid == uuid).one_or_none()
else:
return None
if scanner is None:
return None
return scanner.as_dict()
return None
@classmethod
def add(cls, uuid):
try:
with SqlDB.sql_session() as session:
scanner = Scanner()
scanner.uuid = uuid
scanner.enabled = False
scanner.scanners = "None"
session.add(scanner)
session.flush()
return scanner.id
except IntegrityError:
return None
@classmethod
def is_enabled(cls, uuid):
with SqlDB.sql_session() as session:
scanner: Scanner = session.query(Scanner).filter(Scanner.uuid == uuid).one_or_none()
if scanner is None:
return None
enabled = scanner.enabled
return enabled
Base.metadata.create_all(engine)
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