SSP-10 - Simple Login Page

src/features/SSP-10.js

@@ -0,0 +1,116 @@
+
+```python
+#!/usr/bin/env python3
+"""
+Production-ready Simple Login Page using Claude API with tool use.
+Demonstrates a login system with user validation and session management.
+"""
+
+import anthropic
+import json
+import secrets
+import hashlib
+from datetime import datetime, timedelta
+
+
+VALID_USERS = {
+    "admin": hashlib.sha256("admin123".encode()).hexdigest(),
+    "user": hashlib.sha256("password".encode()).hexdigest(),
+    "demo": hashlib.sha256("demo".encode()).hexdigest(),
+}
+
+ACTIVE_SESSIONS = {}
+
+
+def hash_password(password: str) -> str:
+    """Hash a password using SHA-256."""
+    return hashlib.sha256(password.encode()).hexdigest()
+
+
+def validate_user_credentials(username: str, password: str) -> dict:
+    """Validate user credentials against the user database."""
+    if username not in VALID_USERS:
+        return {"success": False, "error": "User not found"}
+
+    password_hash = hash_password(password)
+    if VALID_USERS[username] != password_hash:
+        return {"success": False, "error": "Invalid password"}
+
+    return {"success": True, "message": f"User {username} authenticated successfully"}
+
+
+def create_session(username: str) -> dict:
+    """Create a new user session."""
+    session_id = secrets.token_urlsafe(32)
+    session_token = secrets.token_urlsafe(32)
+
+    expiry = datetime.now() + timedelta(hours=24)
+
+    ACTIVE_SESSIONS[session_id] = {
+        "username": username,
+        "token": session_token,
+        "created": datetime.now().isoformat(),
+        "expiry": expiry.isoformat(),
+        "ip": "127.0.0.1",
+        "user_agent": "Login System",
+    }
+
+    return {
+        "session_id": session_id,
+        "token": session_token,
+        "expires_at": expiry.isoformat(),
+        "message": f"Session created for user {username}",
+    }
+
+
+def verify_session(session_id: str, token: str) -> dict:
+    """Verify if a session is valid."""
+    if session_id not in ACTIVE_SESSIONS:
+        return {"valid": False, "error": "Session not found"}
+
+    session = ACTIVE_SESSIONS[session_id]
+
+    if session["token"] != token:
+        return {"valid": False, "error": "Invalid token"}
+
+    if datetime.fromisoformat(session["expiry"]) < datetime.now():
+        del ACTIVE_SESSIONS[session_id]
+        return {"valid": False, "error": "Session expired"}
+
+    return {
+        "valid": True,
+        "username": session["username"],
+        "created_at": session["created"],
+        "expires_at": session["expiry"],
+    }
+
+
+def logout_session(session_id: str) -> dict:
+    """Logout and invalidate a session."""
+    if session_id in ACTIVE_SESSIONS:
+        username = ACTIVE_SESSIONS[session_id]["username"]
+        del ACTIVE_SESSIONS[session_id]
+        return {"success": True, "message": f"User {username} logged out successfully"}
+
+    return {"success": False, "error": "Session not found"}
+
+
+def process_tool_call(tool_name: str, tool_input: dict) -> str:
+    """Process tool calls from Claude."""
+    if tool_name == "validate_credentials":
+        result = validate_user_credentials(
+            tool_input.get("username", ""),
+            tool_input.get("password", "")
+        )
+        return json.dumps(result)
+
+    elif tool_name == "create_session":
+        result = create_session(tool_input.get("username", ""))
+        return json.dumps(result)
+
+    elif tool_name == "verify_session":
+        result = verify_session(
+            tool_input.get("session_id", ""),
+            tool_input.get("token", "")
+        )
+        return json.dumps(