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91 lines
3.5 KiB
91 lines
3.5 KiB
# ~*~ coding: utf-8 ~*~
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from django.utils.translation import gettext_lazy as _
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from rest_framework import serializers
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from common.serializers.fields import LabeledChoiceField
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from common.utils import pretty_string, is_uuid, get_logger
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from terminal.const import RiskLevelChoices
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from terminal.models import Command
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logger = get_logger(__name__)
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__all__ = ['SessionCommandSerializer', 'InsecureCommandAlertSerializer']
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class SimpleSessionCommandSerializer(serializers.ModelSerializer):
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""" 简单Session命令序列类, 用来提取公共字段 """
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user = serializers.CharField(label=_("User")) # 限制 64 字符，见 validate_user
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asset = serializers.CharField(max_length=128, label=_("Asset"))
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input = serializers.CharField(label=_("Command"))
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session = serializers.CharField(max_length=36, label=_("Session"))
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risk_level = LabeledChoiceField(
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choices=RiskLevelChoices.choices,
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required=False, label=_("Risk level"),
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)
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org_id = serializers.CharField(
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max_length=36, required=False, default='', allow_null=True, allow_blank=True
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)
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class Meta:
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# 继承 ModelSerializer 解决 swagger risk_level type 为 object 的问题
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model = Command
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fields = ['user', 'asset', 'input', 'session', 'risk_level', 'org_id']
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def validate_user(self, value):
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if len(value) > 64:
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value = value[:32] + value[-32:]
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return value
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class InsecureCommandAlertSerializer(SimpleSessionCommandSerializer):
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cmd_filter_acl = serializers.CharField(
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max_length=36, required=False, label=_("Command Filter ACL")
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)
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cmd_group = serializers.CharField(
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max_length=36, required=True, label=_("Command Group")
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)
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class Meta(SimpleSessionCommandSerializer.Meta):
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fields = SimpleSessionCommandSerializer.Meta.fields + [
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'cmd_filter_acl', 'cmd_group',
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]
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def validate(self, attrs):
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if not is_uuid(attrs['cmd_filter_acl']):
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raise serializers.ValidationError(
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_("Invalid command filter ACL id")
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)
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if not is_uuid(attrs['cmd_group']):
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raise serializers.ValidationError(
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_("Invalid command group id")
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)
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if not is_uuid(attrs['session']):
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raise serializers.ValidationError(
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_("Invalid session id")
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)
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return super().validate(attrs)
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class SessionCommandSerializerMixin(serializers.Serializer):
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"""使用这个类作为基础Command Log Serializer类, 用来序列化"""
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id = serializers.UUIDField(read_only=True)
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# 限制 64 字符，不能直接迁移成 128 字符，命令表数据量会比较大
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account = serializers.CharField(label=_("Account"))
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output = serializers.CharField(allow_blank=True, label=_("Output"))
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timestamp = serializers.IntegerField(label=_('Timestamp'))
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timestamp_display = serializers.DateTimeField(read_only=True, label=_('Datetime'))
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remote_addr = serializers.CharField(read_only=True, label=_('Remote Address'))
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def validate_account(self, value):
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if len(value) > 64:
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value = pretty_string(value, 64)
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return value
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class SessionCommandSerializer(SessionCommandSerializerMixin, SimpleSessionCommandSerializer):
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""" 字段排序序列类 """
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class Meta(SimpleSessionCommandSerializer.Meta):
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fields = SimpleSessionCommandSerializer.Meta.fields + [
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'id', 'account', 'output', 'timestamp', 'timestamp_display', 'remote_addr'
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]
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