Squash Odysseus development history

This commit is contained in:
pewdiepie-archdaemon
2026-09-11 06:04:19 +00:00
parent e5c99a5eee
commit 6ee6502010
2050 changed files with 538359 additions and 57745 deletions
+327 -73
View File
@@ -3,6 +3,7 @@ Authentication module — multi-user password hashing, session tokens, config pe
Config stored in data/auth.json. Uses bcrypt directly.
"""
import enum
import json
import os
import secrets
@@ -30,16 +31,44 @@ DEFAULT_PRIVILEGES = {
"can_manage_memory": True,
"max_messages_per_day": 0,
"allowed_models": [],
"allowed_models_restricted": False,
# Explicit "block every model" sentinel. An empty `allowed_models` list is
# ambiguous — it's also what gets sent when the admin clicks "[All]" — so
# we need a dedicated flag to express "this user may use no models at all"
# distinctly from "this user has no restriction".
"block_all_models": False,
}
# Admins get everything
ADMIN_PRIVILEGES = {k: (True if isinstance(v, bool) else (0 if isinstance(v, int) else [])) for k, v in DEFAULT_PRIVILEGES.items()}
ADMIN_PRIVILEGES["allowed_models_restricted"] = False
# Admins must never be blocked from using models — the generic dict
# comprehension above flips every boolean default to True, which would be
# backwards for this sentinel.
ADMIN_PRIVILEGES["block_all_models"] = False
DEFAULT_AUTH_PATH = os.path.join(
Path(__file__).parent.parent, "data", "auth.json"
)
from src.constants import AUTH_FILE, PASSWORD_MIN_LENGTH
from src.owner_identity import RESERVED_AUTH_USERNAMES
DEFAULT_AUTH_PATH = AUTH_FILE
TOKEN_TTL = 60 * 60 * 24 * 7 # 7 days
# Usernames the auth + middleware layer reserves for request sentinels and
# internal storage owners; they must never belong to a real login account.
# "internal-tool" is the most dangerous because `core.middleware.require_admin`
# treats it as the in-process tool loopback. "api" collides with bearer-token
# attribution. "demo"/"system" are synthetic owners already special-cased by
# scheduler/assistant/research paths. The Default/Local owner is a storage
# bucket for explicit auth-disabled no-login mode, not a login username.
RESERVED_USERNAMES = frozenset(RESERVED_AUTH_USERNAMES)
def normalize_known_username(users: Dict[str, Any], username: str | None) -> Optional[str]:
"""Return a normalized username only when it exists in the auth user map."""
key = str(username or "").strip().lower()
if not key or key not in users:
return None
return key
def _hash_password(password: str) -> str:
return bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
@@ -49,6 +78,15 @@ def _verify_password(password: str, hashed: str) -> bool:
return bcrypt.checkpw(password.encode("utf-8"), hashed.encode("utf-8"))
class SetAdminResult(enum.Enum):
"""Outcome of AuthManager.set_admin, so callers can map each case to a
precise response instead of guessing from a bare bool."""
OK = "ok"
USER_NOT_FOUND = "user_not_found"
NOT_AUTHORIZED = "not_authorized" # requester is not an admin
LAST_ADMIN = "last_admin" # would remove the last remaining admin
class AuthManager:
"""Manages multi-user password + session-token auth system."""
@@ -60,16 +98,33 @@ class AuthManager:
# Guards mutations of self._sessions and the on-disk sessions.json.
# Validate/create/revoke run concurrently from the FastAPI threadpool.
self._sessions_lock = threading.RLock()
# Guards all mutations of self._config and the on-disk auth.json so
# concurrent create/delete/rename/privilege operations don't interleave
# and corrupt the user database.
self._config_lock = threading.Lock()
# Guards the first-run setup check-and-write so concurrent requests
# cannot both observe is_configured==False and both create admin accounts.
self._setup_lock = threading.Lock()
self._load()
self._load_sessions()
self._migrate_single_user()
self._drop_reserved_loaded_users()
self._migrate_legacy_admin_role()
def _load(self):
try:
if os.path.exists(self.auth_path):
with open(self.auth_path, "r") as f:
with open(self.auth_path, "r", encoding="utf-8") as f:
self._config = json.load(f)
# Normalize all stored usernames to lowercase so they match
# the .strip().lower() applied at login/verify time. Fixes
# "Invalid credentials" when auth.json was written with
# mixed-case keys (e.g. via manual edit or a future migration).
if "users" in self._config:
self._config["users"] = {
k.strip().lower(): v
for k, v in self._config["users"].items()
}
logger.info("Auth config loaded")
else:
self._config = {}
@@ -82,7 +137,7 @@ class AuthManager:
"""Load persisted session tokens from disk, pruning expired ones."""
try:
if os.path.exists(self._sessions_path):
with open(self._sessions_path, "r") as f:
with open(self._sessions_path, "r", encoding="utf-8") as f:
data = json.load(f)
now = time.time()
self._sessions = {k: v for k, v in data.items() if v.get("expiry", 0) > now}
@@ -106,20 +161,52 @@ class AuthManager:
def _migrate_single_user(self):
"""Migrate old single-user format to multi-user format."""
if "password_hash" in self._config and "users" not in self._config:
old_user = self._config.get("username", "admin")
old_user = str(self._config.get("username", "admin") or "admin").strip().lower()
if old_user in RESERVED_USERNAMES:
logger.warning(
"Migrating legacy single-user reserved username '%s' to 'admin'",
old_user,
)
old_user = "admin"
old_hash = self._config["password_hash"]
self._config = {
"users": {
old_user: {
"password_hash": old_hash,
"created": time.time(),
"is_admin": True,
with self._config_lock:
self._config = {
"users": {
old_user: {
"password_hash": old_hash,
"created": time.time(),
"is_admin": True,
}
}
}
}
self._save()
self._save()
logger.info(f"Migrated single-user auth to multi-user (admin: {old_user})")
def _drop_reserved_loaded_users(self):
"""Fail closed for legacy/manual auth rows that collide with sentinels."""
users = self._config.get("users")
if not isinstance(users, dict):
return
normalized = {}
removed = []
for username, data in users.items():
key = str(username or "").strip().lower()
if not key:
continue
if key in RESERVED_USERNAMES:
removed.append(key)
continue
normalized[key] = data
if removed or normalized != users:
with self._config_lock:
self._config["users"] = normalized
self._save()
if removed:
logger.warning(
"Removed reserved username(s) from auth config: %s",
", ".join(sorted(set(removed))),
)
def _migrate_legacy_admin_role(self):
"""Normalize setup.py's old role='admin' marker to is_admin=True."""
changed = False
@@ -144,37 +231,54 @@ class AuthManager:
@signup_enabled.setter
def signup_enabled(self, value: bool):
self._config["signup_enabled"] = value
self._save()
with self._config_lock:
self._config["signup_enabled"] = value
self._save()
@property
def is_configured(self) -> bool:
return len(self.users) > 0
def policy(self) -> dict:
"""Return public auth policy constants for the frontend."""
return {
"password_min_length": PASSWORD_MIN_LENGTH,
"reserved_usernames": sorted(RESERVED_USERNAMES),
"signup_enabled": self.signup_enabled,
"session_days": TOKEN_TTL // 86400,
}
# ------------------------------------------------------------------
# Account management
# ------------------------------------------------------------------
def setup(self, username: str, password: str) -> bool:
"""First-run admin setup. Only works if no users exist."""
if self.is_configured:
return False
return self.create_user(username, password, is_admin=True)
with self._setup_lock:
if self.is_configured:
return False
return self.create_user(username, password, is_admin=True)
def create_user(self, username: str, password: str, is_admin: bool = False) -> bool:
"""Create a new user account."""
username = username.strip().lower()
if username in self.users:
if not username:
return False
if "users" not in self._config:
self._config["users"] = {}
self._config["users"][username] = {
"password_hash": _hash_password(password),
"created": time.time(),
"is_admin": is_admin,
"privileges": dict(ADMIN_PRIVILEGES if is_admin else DEFAULT_PRIVILEGES),
}
self._save()
if username in RESERVED_USERNAMES:
logger.warning("Refused to create reserved username '%s'", username)
return False
with self._config_lock:
if username in self.users:
return False
if "users" not in self._config:
self._config["users"] = {}
self._config["users"][username] = {
"password_hash": _hash_password(password),
"created": time.time(),
"is_admin": is_admin,
"privileges": dict(ADMIN_PRIVILEGES if is_admin else DEFAULT_PRIVILEGES),
}
self._save()
logger.info(f"Created user '{username}' (admin={is_admin})")
return True
@@ -187,14 +291,31 @@ class AuthManager:
their cookie expired naturally (default ~30 days).
"""
username = username.strip().lower()
if username not in self.users:
return False
if username == requesting_user:
return False
if not self.users.get(requesting_user, {}).get("is_admin"):
return False
del self._config["users"][username]
self._save()
with self._config_lock:
if username not in self.users:
return False
if username == requesting_user:
return False
if not self.users.get(requesting_user, {}).get("is_admin"):
return False
# Revoke API bearer tokens before removing the auth row. The bearer
# path authenticates from ApiToken rows and does not require the
# owner to still exist, so a successful delete must not leave active
# rows behind. If the token store is unavailable, fail closed and
# keep the user/session state intact so the admin can retry.
try:
from core.database import get_db_session, ApiToken
with get_db_session() as db:
removed_tokens = db.query(ApiToken).filter(ApiToken.owner == username).delete()
if removed_tokens:
logger.info(
f"Revoked {removed_tokens} API token(s) owned by deleted user '{username}'"
)
except Exception:
logger.warning(f"Failed to revoke API tokens for deleted user '{username}'")
return False
del self._config["users"][username]
self._save()
# Purge all sessions belonging to this user. validate_token doesn't
# cross-check `self.users`, so without this step a deleted user's
# cookie keeps authenticating.
@@ -210,6 +331,41 @@ class AuthManager:
logger.info(f"Deleted user '{username}' (by {requesting_user}); revoked {revoked} active session(s)")
return True
def rename_user(self, old_username: str, new_username: str, requesting_user: str) -> bool:
"""Rename a user in auth config and active sessions. Admin only."""
old_username = old_username.strip().lower()
new_username = new_username.strip().lower()
requesting_user = (requesting_user or "").strip().lower()
if not old_username or not new_username:
return False
if new_username in RESERVED_USERNAMES:
logger.warning("Refused to rename '%s' into reserved username '%s'", old_username, new_username)
return False
with self._config_lock:
if old_username not in self.users:
return False
if new_username in self.users:
return False
if not self.users.get(requesting_user, {}).get("is_admin"):
return False
self._config.setdefault("users", {})[new_username] = self._config["users"].pop(old_username)
self._save()
renamed_sessions = 0
with self._sessions_lock:
for sess in self._sessions.values():
sess_user = str((sess or {}).get("username") or "").strip().lower()
if sess_user == old_username:
sess["username"] = new_username
renamed_sessions += 1
if renamed_sessions:
self._save_sessions()
logger.info(
"Renamed user '%s' -> '%s' (by %s); updated %d active session(s)",
old_username, new_username, requesting_user, renamed_sessions,
)
return True
def is_admin(self, username: str) -> bool:
return self.users.get(username, {}).get("is_admin", False)
@@ -231,28 +387,93 @@ class AuthManager:
def set_privileges(self, username: str, privileges: Dict[str, Any]) -> bool:
"""Update privileges for a user. Can't modify admin privileges."""
username = username.strip().lower()
if username not in self.users:
return False
if self.users[username].get("is_admin"):
return False # admins always have full access
# Only allow known privilege keys
current = self.get_privileges(username)
for k, v in privileges.items():
if k in DEFAULT_PRIVILEGES:
current[k] = v
self._config["users"][username]["privileges"] = current
self._save()
with self._config_lock:
if username not in self.users:
return False
if self.users[username].get("is_admin"):
return False # admins always have full access
# Only allow known privilege keys
current = self.get_privileges(username)
for k, v in privileges.items():
if k in DEFAULT_PRIVILEGES:
current[k] = v
self._config["users"][username]["privileges"] = current
self._save()
logger.info(f"Updated privileges for '{username}': {current}")
return True
def set_admin(self, username: str, is_admin: bool,
requesting_user: str) -> SetAdminResult:
"""Promote/demote an existing user to/from admin. Admin only.
Refuses to remove the last remaining admin so the instance can never
be locked out of admin access; self-demotion is allowed as long as
another admin remains. Admin status is re-checked live on every
request, so unlike delete/rename no session or token revocation is
needed — a demoted admin simply fails the next is_admin() gate.
Promotion stashes the user's current privilege map and demotion
restores it, so a temporary admin stint can't silently broaden a
user's non-admin access; users without a stash (created as admin,
or promoted before stashing existed) demote to DEFAULT_PRIVILEGES.
Counting admins and flipping the flag happen in one critical section
so two concurrent demotions can't race the admin count to zero.
"""
username = (username or "").strip().lower()
requesting_user = (requesting_user or "").strip().lower()
is_admin = bool(is_admin)
with self._config_lock:
target = self._config.get("users", {}).get(username)
if target is None:
return SetAdminResult.USER_NOT_FOUND
if not self.users.get(requesting_user, {}).get("is_admin"):
return SetAdminResult.NOT_AUTHORIZED
currently_admin = bool(target.get("is_admin"))
if currently_admin == is_admin:
return SetAdminResult.OK # no-op; leave privileges untouched
if currently_admin and not is_admin:
admin_count = sum(1 for d in self.users.values() if d.get("is_admin"))
if admin_count <= 1:
return SetAdminResult.LAST_ADMIN
# Write order matters for lock-free readers: get_privileges()
# reads without _config_lock and trusts is_admin, so the admin
# flag must be flipped while the stored map is safe to expose —
# before writing admin privileges on promote, after restoring
# the pre-admin map on demote.
if is_admin:
target["is_admin"] = True
# Stash the pre-admin map so a later demotion can restore it.
# While is_admin is set the stored map is inert: get_privileges
# short-circuits to ADMIN_PRIVILEGES and set_privileges refuses
# admins, so only set_admin ever touches the stash.
target["privileges_before_admin"] = dict(
target.get("privileges") or DEFAULT_PRIVILEGES
)
target["privileges"] = dict(ADMIN_PRIVILEGES)
else:
# Restore the stashed pre-admin map. Fall back to defaults for
# users created as admins (their stored map is ADMIN_PRIVILEGES,
# which must not leak past demotion — e.g. can_use_bash) and
# for admins promoted before the stash existed.
target["privileges"] = dict(
target.pop("privileges_before_admin", None)
or DEFAULT_PRIVILEGES
)
target["is_admin"] = False
self._save()
logger.info("Set is_admin=%s for '%s' (by '%s')", is_admin, username, requesting_user)
return SetAdminResult.OK
def change_password(self, username: str, current_password: str, new_password: str) -> bool:
username = username.strip().lower()
if username not in self.users:
return False
if not _verify_password(current_password, self.users[username]["password_hash"]):
return False
self._config["users"][username]["password_hash"] = _hash_password(new_password)
self._save()
with self._config_lock:
self._config["users"][username]["password_hash"] = _hash_password(new_password)
self._save()
return True
# ------------------------------------------------------------------
@@ -270,8 +491,9 @@ class AuthManager:
if username not in self.users:
return None
secret = pyotp.random_base32()
self._config["users"][username]["totp_secret_pending"] = secret
self._save()
with self._config_lock:
self._config["users"][username]["totp_secret_pending"] = secret
self._save()
return secret
def totp_get_provisioning_uri(self, username: str, secret: str) -> str:
@@ -290,13 +512,14 @@ class AuthManager:
if not totp.verify(code, valid_window=1):
return False
# Enable 2FA
self._config["users"][username]["totp_secret"] = secret
self._config["users"][username]["totp_enabled"] = True
self._config["users"][username].pop("totp_secret_pending", None)
# Generate backup codes
backup = [secrets.token_hex(4) for _ in range(8)]
self._config["users"][username]["totp_backup_codes"] = backup
self._save()
with self._config_lock:
self._config["users"][username]["totp_secret"] = secret
self._config["users"][username]["totp_enabled"] = True
self._config["users"][username].pop("totp_secret_pending", None)
# Generate backup codes
backup = [secrets.token_hex(4) for _ in range(8)]
self._config["users"][username]["totp_backup_codes"] = backup
self._save()
logger.info(f"2FA enabled for '{username}'")
return True
@@ -308,13 +531,17 @@ class AuthManager:
return True # 2FA not enabled, always pass
secret = user.get("totp_secret")
if not secret:
return True
# 2FA is enabled but no secret is stored (corrupt/partially-written
# auth.json). Fail closed — returning True here bypassed the second
# factor entirely.
return False
# Check backup codes first
backup = user.get("totp_backup_codes", [])
if code in backup:
backup.remove(code)
self._config["users"][username]["totp_backup_codes"] = backup
self._save()
with self._config_lock:
backup.remove(code)
self._config["users"][username]["totp_backup_codes"] = backup
self._save()
logger.info(f"Backup code used for '{username}' ({len(backup)} remaining)")
return True
totp = pyotp.TOTP(secret)
@@ -325,11 +552,12 @@ class AuthManager:
username = username.strip().lower()
if not self.verify_password(username, password):
return False
self._config["users"][username].pop("totp_secret", None)
self._config["users"][username].pop("totp_secret_pending", None)
self._config["users"][username].pop("totp_backup_codes", None)
self._config["users"][username]["totp_enabled"] = False
self._save()
with self._config_lock:
self._config["users"][username].pop("totp_secret", None)
self._config["users"][username].pop("totp_secret_pending", None)
self._config["users"][username].pop("totp_backup_codes", None)
self._config["users"][username]["totp_enabled"] = False
self._save()
logger.info(f"2FA disabled for '{username}'")
return True
@@ -348,12 +576,22 @@ class AuthManager:
username = username.strip().lower()
if not self.verify_password(username, password):
return None
return self.create_session_trusted(username)
def create_session_trusted(self, username: str) -> Optional[str]:
"""Issue a session token for an already-verified user.
Call only after verify_password (and TOTP if enabled) have passed."""
username = username.strip().lower()
token = secrets.token_hex(32)
with self._sessions_lock:
self._sessions[token] = {
"username": username,
"expiry": time.time() + TOKEN_TTL,
}
with self._config_lock:
if username not in self.users:
logger.warning("Refused to issue session for missing user '%s'", username)
return None
with self._sessions_lock:
self._sessions[token] = {
"username": username,
"expiry": time.time() + TOKEN_TTL,
}
self._save_sessions()
return token
@@ -412,6 +650,22 @@ class AuthManager:
self._sessions.pop(token, None)
self._save_sessions()
def revoke_user_sessions(self, username: str, except_token: Optional[str] = None) -> int:
"""Revoke active browser sessions for a user, optionally preserving one."""
username = username.strip().lower()
revoked = 0
with self._sessions_lock:
to_drop = [
token for token, session in self._sessions.items()
if token != except_token and (session or {}).get("username") == username
]
for token in to_drop:
self._sessions.pop(token, None)
revoked += 1
if revoked:
self._save_sessions()
return revoked
def status(self, token: Optional[str]) -> Dict[str, Any]:
username = self.get_username_for_token(token)
authenticated = username is not None