import secrets

# Generate a cryptographically secure API key
api_key = secrets.token_urlsafe(32)
print(f"API Key: {api_key}")

import os
import requests

api_key = os.environ.get("HIPPOCAMPAI_API_KEY")

headers = {
    "X-API-Key": api_key,
    "Content-Type": "application/json"
}

response = requests.post(
    "http://localhost:8000/api/memories",
    headers=headers,
    json={"text": "memory", "user_id": "alice"}
)

import jwt
from datetime import datetime, timedelta

def generate_token(user_id: str, secret: str) -> str:
    payload = {
        "user_id": user_id,
        "exp": datetime.utcnow() + timedelta(hours=24),
        "iat": datetime.utcnow()
    }
    return jwt.encode(payload, secret, algorithm="HS256")

token = generate_token("alice", jwt_secret)

headers = {
    "Authorization": f"Bearer {token}",
    "Content-Type": "application/json"
}

response = requests.post(
    "http://localhost:8000/api/memories",
    headers=headers,
    json={"text": "memory", "user_id": "alice"}
)

from authlib.integrations.requests_client import OAuth2Session

session = OAuth2Session(
    client_id="your-client-id",
    client_secret="your-client-secret",
    token_endpoint="https://your-domain.auth0.com/oauth/token"
)

token = session.fetch_token()

headers = {
    "Authorization": f"Bearer {token['access_token']}",
    "Content-Type": "application/json"
}

# Define user roles
class Role:
    ADMIN = "admin"
    USER = "user"
    READONLY = "readonly"

# In your JWT payload
payload = {
    "user_id": "alice",
    "role": Role.USER,
    "permissions": ["read", "write"],
    "exp": datetime.utcnow() + timedelta(hours=24)
}

# Register agent with permissions
client.register_agent(
    agent_id="agent_001",
    name="Customer Support Bot",
    metadata={
        "permissions": ["read", "write"],
        "access_scope": "customer_data",
        "max_memory_limit": 10000
    }
)

# Check permissions before operations
if client.check_agent_permission(agent_id, "write"):
    client.remember(text, user_id, agent_id=agent_id)

import boto3
import json

def get_secret(secret_name):
    client = boto3.client('secretsmanager', region_name='us-west-2')
    response = client.get_secret_value(SecretId=secret_name)
    return json.loads(response['SecretString'])

# Load secrets
secrets = get_secret('hippocampai/prod/credentials')
os.environ['OPENAI_API_KEY'] = secrets['openai_api_key']
os.environ['JWT_SECRET'] = secrets['jwt_secret']

import hvac

client = hvac.Client(url='http://vault:8200')
client.token = os.environ['VAULT_TOKEN']

# Read secrets
secret = client.secrets.kv.v2.read_secret_version(
    path='hippocampai/config'
)

os.environ['OPENAI_API_KEY'] = secret['data']['data']['openai_api_key']

# Custom implementation with Redis (you must add this yourself)
from redis import Redis
from datetime import datetime, timedelta

def check_rate_limit(user_id: str, redis_client: Redis) -> bool:
    key = f"rate_limit:{user_id}:{datetime.now().strftime('%Y%m%d%H%M')}"
    current = redis_client.incr(key)

    if current == 1:
        redis_client.expire(key, 60)  # Expire after 1 minute

    return current <= 60  # 60 requests per minute

# Connect with TLS
import redis

redis_client = redis.Redis(
    host='localhost',
    port=6380,
    password='your-strong-redis-password',
    ssl=True,
    ssl_cert_reqs='required',
    ssl_ca_certs='/path/to/ca.crt'
)

# Hash user IDs instead of using plain emails
import hashlib

def hash_user_id(email: str) -> str:
    return hashlib.sha256(email.encode()).hexdigest()[:16]

user_id = hash_user_id("alice@example.com")  # "7b8f9a3c2d1e4f5a"
memory = client.remember("sensitive info", user_id=user_id)

import re

def redact_pii(text: str) -> str:
    # Redact credit cards
    text = re.sub(r'\b\d{4}[\s-]?\d{4}[\s-]?\d{4}[\s-]?\d{4}\b', '[REDACTED_CC]', text)

    # Redact SSNs
    text = re.sub(r'\b\d{3}-\d{2}-\d{4}\b', '[REDACTED_SSN]', text)

    # Redact emails
    text = re.sub(r'\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b', '[REDACTED_EMAIL]', text)

    return text

text = redact_pii("My card is 1234-5678-9012-3456")
memory = client.remember(text, user_id="alice")

from pydantic import BaseModel, validator, constr

class MemoryRequest(BaseModel):
    text: constr(min_length=1, max_length=10000)
    user_id: constr(min_length=1, max_length=100)
    importance: float

    @validator('importance')
    def validate_importance(cls, v):
        if not 0 <= v <= 10:
            raise ValueError('Importance must be between 0 and 10')
        return v

    @validator('text')
    def sanitize_text(cls, v):
        # Remove potentially dangerous characters
        return v.strip()

# ❌ Bad - user input directly in filter
user_input = request.get("filter")  # Could be malicious
filter_dict = eval(user_input)  # NEVER DO THIS

# ✅ Good - validate and construct safely
allowed_fields = {"type", "tags", "importance"}
filter_key = request.get("filter_key")

if filter_key in allowed_fields:
    filter_dict = {filter_key: request.get("filter_value")}

import bleach

def sanitize_for_display(text: str) -> str:
    # Allow only safe tags
    allowed_tags = ['p', 'br', 'strong', 'em']
    return bleach.clean(text, tags=allowed_tags, strip=True)

# Before sending to frontend
safe_text = sanitize_for_display(memory.text)

# In FastAPI app (api/async_app.py)
from fastapi.middleware.cors import CORSMiddleware

app.add_middleware(
    CORSMiddleware,
    allow_origins=[
        "https://yourdomain.com",
        "https://app.yourdomain.com"
    ],  # Don't use "*" in production
    allow_credentials=True,
    allow_methods=["GET", "POST", "PUT", "DELETE"],
    allow_headers=["*"],
)

from fastapi import FastAPI
from starlette.middleware.base import BaseHTTPMiddleware

class SecurityHeadersMiddleware(BaseHTTPMiddleware):
    async def dispatch(self, request, call_next):
        response = await call_next(request)
        response.headers["X-Content-Type-Options"] = "nosniff"
        response.headers["X-Frame-Options"] = "DENY"
        response.headers["X-XSS-Protection"] = "1; mode=block"
        response.headers["Strict-Transport-Security"] = "max-age=31536000; includeSubDomains"
        response.headers["Content-Security-Policy"] = "default-src 'self'"
        return response

app.add_middleware(SecurityHeadersMiddleware)

# ✅ Always filter by user_id
results = client.recall(query="test", user_id=authenticated_user_id)

# ❌ Never allow user to specify different user_id
# user_id = request.get("user_id")  # Attacker could access others' data

def verify_agent_access(agent_id: str, user_id: str, operation: str) -> bool:
    agent = client.get_agent(agent_id)

    # Check if agent is allowed to access user's data
    if user_id not in agent.metadata.get("allowed_users", []):
        return False

    # Check if agent has permission for operation
    if operation not in agent.metadata.get("permissions", []):
        return False

    return True

def get_collection_name(tenant_id: str, collection_type: str) -> str:
    return f"tenant_{tenant_id}_{collection_type}"

# Create tenant-specific client
tenant_client = MemoryClient(
    config=Config(
        collection_facts=get_collection_name(tenant_id, "facts"),
        collection_prefs=get_collection_name(tenant_id, "prefs")
    )
)

import logging
from datetime import datetime

# You must set this up yourself
audit_logger = logging.getLogger("audit")
audit_logger.setLevel(logging.INFO)
handler = logging.FileHandler("/var/log/hippocampai/audit.log")
audit_logger.addHandler(handler)

def audit_log(user_id: str, operation: str, resource: str, result: str):
    audit_logger.info({
        "timestamp": datetime.utcnow().isoformat(),
        "user_id": user_id,
        "operation": operation,
        "resource": resource,
        "result": result
    })

# Example usage
audit_log("alice", "DELETE_MEMORY", "mem_123", "SUCCESS")

def delete_user_data(user_id: str):
    # Delete all memories
    memories = client.get_memories(user_id=user_id, limit=10000)
    client.delete_memories([m.id for m in memories])

    # Delete sessions
    sessions = client.get_user_sessions(user_id=user_id)
    for session in sessions:
        client.delete_session(session.session_id)

    # Delete from audit logs (if required)
    # Remove personal data from logs

    audit_log("system", "GDPR_DELETE_USER", user_id, "SUCCESS")

def export_user_data(user_id: str) -> dict:
    return {
        "user_id": user_id,
        "memories": [m.to_dict() for m in client.get_memories(user_id=user_id, limit=10000)],
        "sessions": [s.to_dict() for s in client.get_user_sessions(user_id=user_id)],
        "export_date": datetime.utcnow().isoformat()
    }

# Immediately revoke compromised credentials
client.revoke_api_key(compromised_key)

# Block suspicious IPs
# Add to firewall
sudo ufw deny from 192.168.1.100

# Review audit trail
trail = client.get_audit_trail(
    user_id=suspected_user,
    limit=1000
)

# Analyze access patterns
for entry in trail:
    print(f"{entry.timestamp}: {entry.operation} on {entry.resource}")

# Restore from backup if data compromised
client.import_graph_from_json("backup_20241101.json")

# Reset user passwords
# Rotate all API keys