AI API Gateway Token Management Guide

🔑

Token Generation

Secure token generation using cryptographically strong random values with configurable expiration and scopes.

✓

Validation

Fast token validation with caching, signature verification, and expiration checking.

🔄

Refresh Strategy

Automatic token refresh with sliding expiration and secure refresh token rotation.

Token Implementation

token_manager.py

# JWT Token Management
import jwt
from datetime import datetime, timedelta

class TokenManager:
    def __init__(self, secret_key, algorithm="HS256"):
        self.secret = secret_key
        self.algorithm = algorithm
    
    def generate_token(self, user_id, scopes, ttl=3600):
        payload = {
            "sub": user_id,
            "scopes": scopes,
            "iat": datetime.utcnow(),
            "exp": datetime.utcnow() + timedelta(seconds=ttl)
        }
        return jwt.encode(payload, self.secret, algorithm=self.algorithm)
    
    def validate_token(self, token):
        try:
            return jwt.decode(token, self.secret, algorithms=[self.algorithm])
        except jwt.ExpiredSignatureError:
            return None