/
Model.py
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Model.py
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__author__ = 'jb'
from Tools.tools import hashdigest, exiftool
import logging
from config import ConfigBorg
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Column, Integer, String, ForeignKey, create_engine, DateTime, Boolean
from sqlalchemy.orm import relationship, backref, sessionmaker, scoped_session
import os
import json
from json import JSONEncoder
from datetime import datetime
Base = declarative_base()
config = ConfigBorg()
class Db():
# If needed distribute a Thread Lock with the db...
#__shared_state = {}
def __init__(self, db=config.db_path):
logging.debug("INIT DB")
#self.__dict__ = self.__shared_state
#if self.engine is None:
self._initDb(db)
# engine = None
# session = None
# meta = None
def _initDb(self, db):
#self.engine = create_engine(db, echo=False, connect_args={'timeout': 15})
self.engine = create_engine(db, echo=False)
session_factory = sessionmaker(bind=self.engine)
print "SESSIONFACTORY"
self.session = scoped_session(session_factory)
Base.metadata.create_all(self.engine)
self.meta = Base.metadata
def _truncate(self):
for tbl in reversed(self.meta.sorted_tables):
self.engine.execute(tbl.delete())
def close(self):
self.session.close()
logging.debug("DB session closed...")
class File(Base):
__tablename__ = 'files'
id = Column(Integer, primary_key=True, autoincrement=True)
sha256 = Column(String, unique=True, nullable=False)
md5 = Column(String)
sha1 = Column(String)
type = Column(String)
mimetype = Column(String)
size = Column(String)
config = ConfigBorg()
@property
def path(self):
path = os.path.join(self.config.flask['upload_dir'], self.sha256)
return path
@property
def last_submission(self):
Session.expire_all()
s = Session.query(Submission).filter(File.id == self.id).order_by(-Submission.id).first()
return s
@property
def wip(self):
if self.last_submission.done is not True:
return True
return False
@property
def progress(self):
d = {
'results': self.last_submission.results,
'totals': self.last_submission.working_modules
}
if d['results'] == d['totals']:
d['done'] = True
else:
d['done'] = False
json = JSONEncoder().encode(d)
return json
def __str__(self):
return "{:<6} {:<20} {:<10} {:<10} {} {} {}".format(
self.id,
self.sha256,
self.sha1,
self.md5,
self.type,
self.mimetype,
self.size,
)
class Submission(Base):
__tablename__ = 'submissions'
id = Column(Integer, primary_key=True, autoincrement=True)
date = Column(DateTime, default=datetime.utcnow())
name = Column(String)
working_modules = Column(Integer, default=0)
results = Column(Integer, default=0)
extension = Column(String)
file_id = Column(Integer, ForeignKey('files.id'))
file = relationship("File", backref='submissions')
exif_tools = exiftool()
@property
def done(self):
return self.working_modules == self.results
def __init__(self, path, name):
self.config = ConfigBorg()
self.path = path
self.name = name
#self.db = db
logging.debug(path)
self.new_file = True
self._populate() # Hash and type and create File object
logging.debug("%s"%self)
Session().add(self)
Session().commit()
def _populate(self):
"""
Compute data related to the file : type, hash, version,....
"""
#Hash
h = hashdigest(self.path)
sha256 = h['sha256'].lower()
#Type
et = self.exif_tools
metadata = et.get_metadata(self.path)
#self.name = metadata['File:FileName']
#Extension
if '.' in self.name:
self.extension = self.name.split('.')[-1].lower()
else:
self.extension = ""
file = Session().query(File).filter_by(sha256=sha256).all()
if len(file) != 0:
self.new_file = False
self.file = file[0]
else:
try:
type = metadata['File:FileType'].lower()
except KeyError:
type = "unknown"
try:
mimetype = metadata['File:MIMEType'].lower()
except KeyError:
mimetype = "unknown"
self.file = File(
md5=h['md5'].lower(),
sha1=h['sha1'].lower(),
sha256=h['sha256'].lower(),
type=type,
mimetype=mimetype,
size=metadata['File:FileSize'],
)
Session().add(self.file)
Session().commit()
def __str__(self):
if self.file is None:
return ""
return "{:<20} {:<6} {:<10} {:<10} {} {} {} {}".format(
self.name,
self.extension,
self.file.type,
self.file.mimetype,
self.file.size,
self.file.md5,
self.file.sha1,
self.file.sha256,
)
class Report(Base):
__tablename__ = 'reports'
id = Column(Integer, primary_key=True)
module = Column(String)
short = Column(String)
full = Column(String)
threat_level = Column(Integer, default=50)
submission_id = Column(Integer, ForeignKey('submissions.id'))
submission = relationship("Submission", backref='reports')
@property
def full_dict(self):
return json.loads(self.full)
def __str__(self):
return "{:<20} {:<6} {:<10} {:<10}".format(
self.module,
self.short,
self.submission,
self.submission.file,
)
#db = Db()
#session = db.session
class ReportSection(Base):
__tablename__ = 'sections'
id = Column(Integer, primary_key=True)
type = Column(String)
value = Column(String)
report_id = Column(Integer, ForeignKey('reports.id'))
report = relationship("Report", backref='sections')
@property
def value_dict(self):
return json.loads(self.value)
Session = Db().session
if __name__ == '__main__':
logging.basicConfig(level=logging.DEBUG)
f = Submission("c:\\windows\\system32\\calc.exe")