Create identity_management.py

src/auth/identity_management.py

@@ -0,0 +1,53 @@
+import json
+from typing import Dict, Any, Optional
+
+class IdentityManager:
+    def __init__(self):
+        self.user_identities = {}  # Store user identities
+        self.identity_audit_log = []  # Log for auditing identity changes
+
+    def register_identity(self, user_id: str, identity_data: Dict[str, Any]) -> None:
+        """Register a new user identity."""
+        if user_id in self.user_identities:
+            raise ValueError("Identity already exists.")
+
+        self.user_identities[user_id] = identity_data
+        self.log_event("Identity registered", {"user_id": user_id, "data": identity_data})
+
+    def verify_identity(self, user_id: str) -> bool:
+        """Verify if the user identity exists."""
+        exists = user_id in self.user_identities
+        self.log_event("Identity verification attempted", {"user_id": user_id, "exists": exists})
+        return exists
+
+    def revoke_identity(self, user_id: str) -> None:
+        """Revoke a user's identity."""
+        if user_id not in self.user_identities:
+            raise ValueError("Identity does not exist.")
+
+        del self.user_identities[user_id]
+        self.log_event("Identity revoked", {"user_id": user_id})
+
+    def log_event(self, event: str, data: Any) -> None:
+        """Log significant events for auditing."""
+        log_entry = {
+            "event": event,
+            "data": data,
+            "timestamp": self.get_current_timestamp()
+        }
+        self.identity_audit_log.append(log_entry)
+
+    @staticmethod
+    def get_current_timestamp() -> str:
+        """Get the current timestamp."""
+        from datetime import datetime
+        return datetime.utcnow().isoformat()
+
+    def get_audit_log(self) -> list:
+        """Retrieve the audit log."""
+        return self.identity_audit_log
+
+    def integrate_with_smart_contract(self, user_id: str, contract_data: Dict[str, Any]) -> None:
+        """Integrate identity management with smart contracts."""
+        # Logic to interact with smart contracts for identity verification
+        self.log_event("Smart contract integration", {"user_id": user_id, "contract_data": contract_data})