Spaces:
Sleeping
Sleeping
File size: 10,307 Bytes
9b51d59 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 | from datetime import datetime, timedelta
from typing import Optional
import uuid
import logging
from app.core.nosql_client import db
from app.core.cache_client import get_redis
logger = logging.getLogger("refresh_token_model")
class RefreshTokenModel:
"""Model for managing refresh tokens with rotation support"""
collection = db["refresh_tokens"]
# Token family tracking for rotation
TOKEN_FAMILY_TTL = 30 * 24 * 3600 # 30 days in seconds
@staticmethod
async def create_token_family(customer_id: str, device_info: Optional[str] = None) -> str:
"""Create a new token family for refresh token rotation"""
family_id = str(uuid.uuid4())
try:
redis = await get_redis()
family_key = f"token_family:{family_id}"
family_data = {
"customer_id": customer_id,
"device_info": device_info,
"created_at": datetime.utcnow().isoformat(),
"rotation_count": 0
}
import json
await redis.setex(family_key, RefreshTokenModel.TOKEN_FAMILY_TTL, json.dumps(family_data))
logger.info(f"Created token family {family_id} for user {customer_id}")
return family_id
except Exception as e:
logger.error(f"Error creating token family: {str(e)}", exc_info=True)
raise
@staticmethod
async def get_token_family(family_id: str) -> Optional[dict]:
"""Get token family data"""
try:
redis = await get_redis()
family_key = f"token_family:{family_id}"
data = await redis.get(family_key)
if data:
import json
return json.loads(data)
return None
except Exception as e:
logger.error(f"Error getting token family: {str(e)}", exc_info=True)
return None
@staticmethod
async def increment_rotation_count(family_id: str) -> int:
"""Increment rotation count for a token family"""
try:
redis = await get_redis()
family_key = f"token_family:{family_id}"
family_data = await RefreshTokenModel.get_token_family(family_id)
if not family_data:
return 0
family_data["rotation_count"] = family_data.get("rotation_count", 0) + 1
family_data["last_rotated"] = datetime.utcnow().isoformat()
import json
ttl = await redis.ttl(family_key)
if ttl > 0:
await redis.setex(family_key, ttl, json.dumps(family_data))
logger.info(f"Incremented rotation count for family {family_id} to {family_data['rotation_count']}")
return family_data["rotation_count"]
except Exception as e:
logger.error(f"Error incrementing rotation count: {str(e)}", exc_info=True)
return 0
@staticmethod
async def store_refresh_token(
token_id: str,
customer_id: str,
family_id: str,
expires_at: datetime,
remember_me: bool = False,
device_info: Optional[str] = None,
ip_address: Optional[str] = None
):
"""Store refresh token metadata"""
try:
token_doc = {
"token_id": token_id,
"customer_id": customer_id,
"family_id": family_id,
"expires_at": expires_at,
"remember_me": remember_me,
"device_info": device_info,
"ip_address": ip_address,
"created_at": datetime.utcnow(),
"revoked": False,
"used": False
}
await RefreshTokenModel.collection.insert_one(token_doc)
logger.info(f"Stored refresh token {token_id} for user {customer_id}")
except Exception as e:
logger.error(f"Error storing refresh token: {str(e)}", exc_info=True)
raise
@staticmethod
async def mark_token_as_used(token_id: str) -> bool:
"""Mark a refresh token as used (for rotation)"""
try:
result = await RefreshTokenModel.collection.update_one(
{"token_id": token_id},
{
"$set": {
"used": True,
"used_at": datetime.utcnow()
}
}
)
if result.modified_count > 0:
logger.info(f"Marked token {token_id} as used")
return True
return False
except Exception as e:
logger.error(f"Error marking token as used: {str(e)}", exc_info=True)
return False
@staticmethod
async def is_token_valid(token_id: str) -> bool:
"""Check if a refresh token is valid (not revoked or used)"""
try:
token = await RefreshTokenModel.collection.find_one({"token_id": token_id})
if not token:
logger.warning(f"Token {token_id} not found")
return False
if token.get("revoked"):
logger.warning(f"Token {token_id} is revoked")
return False
if token.get("used"):
logger.warning(f"Token {token_id} already used - possible replay attack")
# Revoke entire token family on reuse attempt
await RefreshTokenModel.revoke_token_family(token.get("family_id"))
return False
if token.get("expires_at") < datetime.utcnow():
logger.warning(f"Token {token_id} is expired")
return False
return True
except Exception as e:
logger.error(f"Error checking token validity: {str(e)}", exc_info=True)
return False
@staticmethod
async def get_token_metadata(token_id: str) -> Optional[dict]:
"""Get refresh token metadata"""
try:
token = await RefreshTokenModel.collection.find_one({"token_id": token_id})
return token
except Exception as e:
logger.error(f"Error getting token metadata: {str(e)}", exc_info=True)
return None
@staticmethod
async def revoke_token(token_id: str) -> bool:
"""Revoke a specific refresh token"""
try:
result = await RefreshTokenModel.collection.update_one(
{"token_id": token_id},
{
"$set": {
"revoked": True,
"revoked_at": datetime.utcnow()
}
}
)
if result.modified_count > 0:
logger.info(f"Revoked token {token_id}")
return True
return False
except Exception as e:
logger.error(f"Error revoking token: {str(e)}", exc_info=True)
return False
@staticmethod
async def revoke_token_family(family_id: str) -> int:
"""Revoke all tokens in a family (security breach detection)"""
try:
result = await RefreshTokenModel.collection.update_many(
{"family_id": family_id, "revoked": False},
{
"$set": {
"revoked": True,
"revoked_at": datetime.utcnow(),
"revoke_reason": "token_reuse_detected"
}
}
)
# Also delete the family from Redis
redis = await get_redis()
await redis.delete(f"token_family:{family_id}")
logger.warning(f"Revoked {result.modified_count} tokens in family {family_id}")
return result.modified_count
except Exception as e:
logger.error(f"Error revoking token family: {str(e)}", exc_info=True)
return 0
@staticmethod
async def revoke_all_user_tokens(customer_id: str) -> int:
"""Revoke all refresh tokens for a user (logout from all devices)"""
try:
result = await RefreshTokenModel.collection.update_many(
{"customer_id": customer_id, "revoked": False},
{
"$set": {
"revoked": True,
"revoked_at": datetime.utcnow(),
"revoke_reason": "user_logout_all"
}
}
)
logger.info(f"Revoked {result.modified_count} tokens for user {customer_id}")
return result.modified_count
except Exception as e:
logger.error(f"Error revoking all user tokens: {str(e)}", exc_info=True)
return 0
@staticmethod
async def get_active_sessions(customer_id: str) -> list:
"""Get all active sessions (valid refresh tokens) for a user"""
try:
tokens = await RefreshTokenModel.collection.find({
"customer_id": customer_id,
"revoked": False,
"expires_at": {"$gt": datetime.utcnow()}
}).to_list(length=100)
return tokens
except Exception as e:
logger.error(f"Error getting active sessions: {str(e)}", exc_info=True)
return []
@staticmethod
async def cleanup_expired_tokens():
"""Cleanup expired tokens (run periodically)"""
try:
result = await RefreshTokenModel.collection.delete_many({
"expires_at": {"$lt": datetime.utcnow()}
})
logger.info(f"Cleaned up {result.deleted_count} expired tokens")
return result.deleted_count
except Exception as e:
logger.error(f"Error cleaning up expired tokens: {str(e)}", exc_info=True)
return 0
|