0ee4845818
Enable WAL/busy_timeout, retry writes, reject duplicate running jobs with HTTP 409, use bcrypt directly instead of broken passlib 1.7.4 + bcrypt 4.x, and improve UI errors.
385 lines
12 KiB
Python
385 lines
12 KiB
Python
"""Authentication and JWT for Ligbox Ops Desk."""
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from __future__ import annotations
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import os
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import secrets
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import sqlite3
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import time
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from dataclasses import dataclass
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from datetime import datetime, timedelta, timezone
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from pathlib import Path
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from typing import Any
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from fastapi import Depends, Header, HTTPException, Request
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from jose import JWTError, jwt
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import bcrypt
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from app.totp_util import verify_code as verify_totp_code
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DB_PATH = Path(os.getenv("SQLITE_PATH", "/data/ops.db"))
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JWT_SECRET = os.getenv("JWT_SECRET", "ligbox-ops-change-me-in-production")
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JWT_ALGORITHM = "HS256"
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JWT_EXPIRE_HOURS = int(os.getenv("JWT_EXPIRE_HOURS", "8"))
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DESK_AUTH_ENABLED = os.getenv("DESK_AUTH_ENABLED", "true").lower() in ("1", "true", "yes")
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DESK_BOOTSTRAP_PASSWORD = os.getenv("DESK_BOOTSTRAP_PASSWORD", "805353")
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AUTH_LOGIN_RATE_LIMIT = int(os.getenv("AUTH_LOGIN_RATE_LIMIT", "5"))
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OPS_INTERNAL_TOKEN = os.getenv("OPS_INTERNAL_TOKEN", "")
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_login_attempts: dict[str, list[float]] = {}
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_mfa_pending: dict[str, tuple[str, float]] = {}
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MFA_TOKEN_TTL_SEC = 300
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SEED_USERS = (
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("root", "super_admin", "Roger"),
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("admin", "ops_lead", "Chefe Ops"),
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("mini", "technician", "Suporte"),
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("noc", "noc", "NOC"),
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)
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@dataclass
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class DeskUser:
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username: str
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role: str
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display_name: str | None = None
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active: bool = True
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@property
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def is_authenticated(self) -> bool:
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return bool(self.username)
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def db() -> sqlite3.Connection:
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DB_PATH.parent.mkdir(parents=True, exist_ok=True)
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conn = sqlite3.connect(DB_PATH, timeout=30.0)
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conn.row_factory = sqlite3.Row
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conn.execute("PRAGMA journal_mode=WAL")
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conn.execute("PRAGMA busy_timeout=30000")
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return conn
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def hash_password(password: str) -> str:
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return bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
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def verify_password(plain: str, hashed: str) -> bool:
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if not plain or not hashed:
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return False
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try:
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return bcrypt.checkpw(plain.encode("utf-8"), hashed.encode("utf-8"))
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except (ValueError, TypeError):
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return False
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def init_auth_schema(conn: sqlite3.Connection) -> None:
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from app import backup_codes, mfa_recovery_store, registration_store
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conn.execute(
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"""
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CREATE TABLE IF NOT EXISTS desk_users (
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id INTEGER PRIMARY KEY,
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username TEXT NOT NULL UNIQUE,
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password_hash TEXT NOT NULL,
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role TEXT NOT NULL,
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display_name TEXT,
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active INTEGER NOT NULL DEFAULT 1,
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last_login_at TEXT,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL
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)
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"""
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)
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registration_store.init_registration_schema(conn)
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backup_codes.init_backup_schema(conn)
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mfa_recovery_store.init_recovery_schema(conn)
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cols = {row[1] for row in conn.execute("PRAGMA table_info(tickets)").fetchall()}
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if "assigned_to" not in cols:
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conn.execute("ALTER TABLE tickets ADD COLUMN assigned_to TEXT")
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if "assigned_at" not in cols:
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conn.execute("ALTER TABLE tickets ADD COLUMN assigned_at TEXT")
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count = conn.execute("SELECT COUNT(*) c FROM desk_users").fetchone()["c"]
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if count == 0:
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now = datetime.now(timezone.utc).isoformat()
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for username, role, display_name in SEED_USERS:
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conn.execute(
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"""
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INSERT INTO desk_users
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(username, password_hash, role, display_name, active, created_at, updated_at)
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VALUES (?, ?, ?, ?, 1, ?, ?)
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""",
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(username, hash_password(DESK_BOOTSTRAP_PASSWORD), role, display_name, now, now),
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)
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def create_access_token(user: DeskUser) -> tuple[str, int]:
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expires = timedelta(hours=JWT_EXPIRE_HOURS)
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expire_at = datetime.now(timezone.utc) + expires
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payload = {
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"sub": user.username,
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"role": user.role,
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"exp": expire_at,
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"iat": datetime.now(timezone.utc),
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}
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token = jwt.encode(payload, JWT_SECRET, algorithm=JWT_ALGORITHM)
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return token, int(expires.total_seconds())
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def decode_token(token: str) -> DeskUser:
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try:
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payload = jwt.decode(token, JWT_SECRET, algorithms=[JWT_ALGORITHM])
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except JWTError as exc:
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raise HTTPException(401, "invalid or expired token") from exc
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username = payload.get("sub")
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role = payload.get("role")
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if not username or role not in {"super_admin", "ops_lead", "technician", "noc"}:
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raise HTTPException(401, "invalid token claims")
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with db() as conn:
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row = conn.execute(
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"SELECT username, role, display_name, active FROM desk_users WHERE username = ?",
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(username,),
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).fetchone()
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if not row or not row["active"]:
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raise HTTPException(401, "user inactive or not found")
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return DeskUser(
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username=row["username"],
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role=row["role"],
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display_name=row["display_name"],
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active=bool(row["active"]),
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)
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def _normalize_login(username: str) -> str:
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u = username.strip()
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if u.lower() == "root":
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return "root"
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if "@" in u:
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return u.lower()
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return u.lower()
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def _user_row(login: str) -> sqlite3.Row | None:
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with db() as conn:
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return conn.execute(
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"""
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SELECT username, password_hash, role, display_name, active, totp_secret, totp_enabled
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FROM desk_users WHERE username = ? OR email = ?
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""",
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(login, login),
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).fetchone()
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def check_credentials(username: str, password: str) -> tuple[DeskUser | None, sqlite3.Row | None]:
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login = _normalize_login(username)
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row = _user_row(login)
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if not row or not row["active"]:
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return None, None
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if not verify_password(password, row["password_hash"]):
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return None, None
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user = DeskUser(
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username=row["username"],
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role=row["role"],
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display_name=row["display_name"],
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active=True,
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)
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return user, row
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def touch_last_login(username: str) -> None:
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now = datetime.now(timezone.utc).isoformat()
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with db() as conn:
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conn.execute(
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"UPDATE desk_users SET last_login_at = ?, updated_at = ? WHERE username = ?",
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(now, now, username),
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)
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conn.commit()
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def authenticate_user(username: str, password: str) -> DeskUser | None:
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user, _row = check_credentials(username, password)
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if not user:
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return None
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touch_last_login(user.username)
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return user
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def user_requires_totp(row: sqlite3.Row | None) -> bool:
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if not row:
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return False
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return bool(row["totp_enabled"] and row["totp_secret"])
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def create_mfa_token(username: str) -> str:
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token = secrets.token_urlsafe(32)
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_mfa_pending[token] = (username, time.time() + MFA_TOKEN_TTL_SEC)
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return token
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def peek_mfa_token(token: str) -> str | None:
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entry = _mfa_pending.get(token)
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if not entry:
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return None
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username, expires = entry
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if time.time() > expires:
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_mfa_pending.pop(token, None)
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return None
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return username
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def consume_mfa_token(token: str) -> str | None:
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entry = _mfa_pending.pop(token, None)
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if not entry:
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return None
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username, expires = entry
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if time.time() > expires:
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return None
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return username
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def verify_user_totp(username: str, code: str) -> bool:
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row = _user_row(username)
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if not row or not row["totp_secret"]:
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return False
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return verify_totp_code(row["totp_secret"], code)
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def check_login_rate_limit(client_ip: str) -> None:
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now = time.time()
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window = 60.0
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attempts = _login_attempts.setdefault(client_ip, [])
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attempts[:] = [t for t in attempts if now - t < window]
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if len(attempts) >= AUTH_LOGIN_RATE_LIMIT:
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raise HTTPException(429, "too many login attempts")
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attempts.append(now)
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def _extract_bearer(authorization: str | None) -> str | None:
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if not authorization:
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return None
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parts = authorization.split(" ", 1)
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if len(parts) != 2 or parts[0].lower() != "bearer":
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return None
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return parts[1].strip() or None
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def get_current_user_optional(
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authorization: str | None = Header(default=None),
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) -> DeskUser | None:
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if not DESK_AUTH_ENABLED:
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return DeskUser(username="system", role="super_admin", display_name="Auth disabled")
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token = _extract_bearer(authorization)
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if not token:
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return None
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return decode_token(token)
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def get_current_user(user: DeskUser | None = Depends(get_current_user_optional)) -> DeskUser:
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if not DESK_AUTH_ENABLED:
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return DeskUser(username="system", role="super_admin", display_name="Auth disabled")
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if user is None:
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raise HTTPException(401, "not authenticated")
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return user
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def require_internal_or_user(
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request: Request,
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x_ops_internal_token: str | None = Header(default=None),
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user: DeskUser | None = Depends(get_current_user_optional),
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) -> DeskUser:
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if OPS_INTERNAL_TOKEN and x_ops_internal_token == OPS_INTERNAL_TOKEN:
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return DeskUser(username="worker", role="super_admin", display_name="Internal")
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if not DESK_AUTH_ENABLED:
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return DeskUser(username="system", role="super_admin", display_name="Auth disabled")
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if user is None:
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raise HTTPException(401, "not authenticated")
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return user
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def require_roles(*roles: str):
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allowed = frozenset(roles)
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def dependency(user: DeskUser = Depends(get_current_user)) -> DeskUser:
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if user.role not in allowed:
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raise HTTPException(403, "insufficient permissions")
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return user
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return dependency
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def mask_value(value: Any) -> Any:
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if value is None:
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return None
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if isinstance(value, str):
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return "***" if value else value
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return "***"
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def mask_company_profile(profile: dict | None) -> dict | None:
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if not profile:
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return profile
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masked = dict(profile)
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for key in ("tax_id", "email_billing", "email_legal", "phone_landline", "phone_mobile", "contact_phone"):
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if key in masked:
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masked[key] = "***"
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if "address" in masked:
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masked["address"] = {}
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return masked
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def mask_ticket(ticket: dict) -> dict:
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out = dict(ticket)
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out["company_profile"] = mask_company_profile(out.get("company_profile"))
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out.pop("billing_state", None)
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payload = out.get("payload")
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if isinstance(payload, dict):
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payload = dict(payload)
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payload.pop("billing_state", None)
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if payload.get("company_profile"):
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payload["company_profile"] = mask_company_profile(payload["company_profile"])
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notes = payload.get("funnel_notes")
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if isinstance(notes, list):
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payload["funnel_notes"] = [
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{
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**note,
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"data": {
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**(note.get("data") or {}),
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"company_profile": mask_company_profile((note.get("data") or {}).get("company_profile")),
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},
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}
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for note in notes
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]
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out["payload"] = payload
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out.pop("email", None)
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return out
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def mask_summary_for_noc(summary: dict) -> dict:
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out = dict(summary)
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out["recent_tickets"] = [mask_ticket(t) for t in out.get("recent_tickets", [])]
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return out
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def user_public_dict(row: sqlite3.Row | dict) -> dict:
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if isinstance(row, sqlite3.Row):
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row = dict(row)
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out = {
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"username": row["username"],
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"role": row["role"],
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"display_name": row.get("display_name"),
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"active": bool(row.get("active", 1)),
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"last_login_at": row.get("last_login_at"),
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"created_at": row.get("created_at"),
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"updated_at": row.get("updated_at"),
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}
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if row.get("email"):
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out["email"] = row["email"]
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if row.get("phone"):
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out["phone"] = row["phone"]
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if "mfa_enabled" in row:
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out["mfa_enabled"] = bool(row.get("mfa_enabled"))
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if "totp_enabled" in row:
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out["totp_enabled"] = bool(row.get("totp_enabled"))
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if "backup_codes_remaining" in row:
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out["backup_codes_remaining"] = int(row.get("backup_codes_remaining") or 0)
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return out
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