Source code for plaso.output.json_out

# -*- coding: utf-8 -*-
"""Output module that saves data into a JSON format."""

from __future__ import unicode_literals

import json

from plaso.output import interface
from plaso.output import manager
from plaso.serializer import json_serializer

[docs]class JSONOutputModule(interface.LinearOutputModule): """Output module for the JSON format.""" NAME = 'json' DESCRIPTION = 'Saves the events into a JSON format.' _JSON_SERIALIZER = json_serializer.JSONAttributeContainerSerializer def __init__(self, output_mediator): """Initializes the output module object. Args: output_mediator (OutputMediator): mediates interactions between output modules and other components, such as storage and dfvfs. """ super(JSONOutputModule, self).__init__(output_mediator) self._event_counter = 0
[docs] def WriteEventBody(self, event): """Writes the body of an event object to the output. Args: event (EventObject): event. """ inode = getattr(event, 'inode', None) if inode is None: event.inode = 0 json_dict = self._JSON_SERIALIZER.WriteSerializedDict(event) json_string = json.dumps(json_dict, sort_keys=True) if self._event_counter != 0: self._output_writer.Write(', ') line = '"event_{0:d}": {1:s}\n'.format(self._event_counter, json_string) self._output_writer.Write(line)
self._event_counter += 1
[docs] def WriteFooter(self): """Writes the footer to the output."""
[docs] def WriteHeader(self): """Writes the header to the output.""" self._output_writer.Write('{')
self._event_counter = 0 manager.OutputManager.RegisterOutput(JSONOutputModule)