# -*- coding: utf-8 -*-
# Copyright 2015 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Job to execute sshd_config analysis task."""

from __future__ import unicode_literals

from turbinia.workers import artifact
from turbinia.workers import sshd
from turbinia.evidence import Directory
from turbinia.evidence import GoogleCloudDisk
from turbinia.evidence import GoogleCloudDiskRawEmbedded
from turbinia.evidence import ExportedFileArtifact
from turbinia.evidence import RawDisk
from turbinia.evidence import ReportText
from turbinia.jobs import interface
from turbinia.jobs import manager


class SSHDExtractionJob(interface.TurbiniaJob):
  """Filter input based on regular expression patterns."""

  # The types of evidence that this Job will process
  evidence_input = [
      Directory, RawDisk, GoogleCloudDisk, GoogleCloudDiskRawEmbedded
  ]

  evidence_output = [ExportedFileArtifact]

  NAME = 'SSHDExtractionJob'

  def create_tasks(self, evidence):
    """Create task.

    Args:
      evidence: List of evidence objects to process

    Returns:
        A list of tasks to schedule.
    """
    tasks = [
        artifact.FileArtifactExtractionTask('SshdConfigFile') for _ in evidence
    ]
    return tasks


class SSHDAnalysisJob(interface.TurbiniaJob):
  """Filter input based on regular expression patterns."""

  evidence_input = [ExportedFileArtifact]
  evidence_output = [ReportText]

  NAME = 'SSHDAnalysisJob'

  def create_tasks(self, evidence):
    """Create task.

    Args:
      evidence: List of evidence objects to process

    Returns:
        A list of tasks to schedule.
    """
    tasks = []
    for evidence_item in evidence:
      if evidence_item.artifact_name == 'SshdConfigFile':
        tasks.append(sshd.SSHDAnalysisTask())
    return tasks


manager.JobsManager.RegisterJobs([SSHDAnalysisJob, SSHDExtractionJob])
