98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
"""Compliance models — frameworks, controls, and technique mappings.
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Maps compliance frameworks (NIST 800-53, DORA, NIS2, ISO 27001) to
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MITRE ATT&CK techniques, enabling compliance gap analysis.
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"""
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import uuid
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from datetime import datetime
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from sqlalchemy import (
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Column, String, Text, Boolean, DateTime,
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ForeignKey, Index, UniqueConstraint,
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)
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import relationship
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from app.database import Base
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class ComplianceFramework(Base):
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"""A compliance framework (e.g. NIST 800-53, ISO 27001)."""
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__tablename__ = "compliance_frameworks"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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name = Column(String, unique=True, nullable=False)
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version = Column(String, nullable=True)
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description = Column(Text, nullable=True)
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url = Column(String, nullable=True)
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is_active = Column(Boolean, default=True)
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created_at = Column(DateTime, default=datetime.utcnow)
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# Relationships
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controls = relationship(
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"ComplianceControl",
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back_populates="framework",
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cascade="all, delete-orphan",
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)
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class ComplianceControl(Base):
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"""A control within a compliance framework (e.g. AC-2, PR.AC-1)."""
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__tablename__ = "compliance_controls"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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framework_id = Column(
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UUID(as_uuid=True),
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ForeignKey("compliance_frameworks.id", ondelete="CASCADE"),
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nullable=False,
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)
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control_id = Column(String, nullable=False) # e.g. "AC-2"
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title = Column(String, nullable=False)
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description = Column(Text, nullable=True)
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category = Column(String, nullable=True)
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# Relationships
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framework = relationship("ComplianceFramework", back_populates="controls")
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technique_mappings = relationship(
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"ComplianceControlMapping",
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back_populates="compliance_control",
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cascade="all, delete-orphan",
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)
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__table_args__ = (
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Index('ix_compliance_controls_framework', 'framework_id'),
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)
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class ComplianceControlMapping(Base):
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"""Maps a compliance control to a MITRE ATT&CK technique."""
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__tablename__ = "compliance_control_mappings"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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compliance_control_id = Column(
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UUID(as_uuid=True),
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ForeignKey("compliance_controls.id", ondelete="CASCADE"),
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nullable=False,
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)
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technique_id = Column(
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UUID(as_uuid=True),
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ForeignKey("techniques.id", ondelete="CASCADE"),
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nullable=False,
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)
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# Relationships
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compliance_control = relationship(
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"ComplianceControl", back_populates="technique_mappings"
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)
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technique = relationship("Technique")
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__table_args__ = (
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Index('ix_compliance_mappings_control', 'compliance_control_id'),
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Index('ix_compliance_mappings_technique', 'technique_id'),
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UniqueConstraint(
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'compliance_control_id', 'technique_id',
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name='uq_control_technique',
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),
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)
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