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import os
import sqlite3
import secrets
from contextlib import contextmanager
from datetime import datetime, timezone
from typing import Any, Dict, List, Optional
from werkzeug.security import check_password_hash, generate_password_hash
BASE_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
INSTANCE_DIR = os.path.join(BASE_DIR, "instance")
os.makedirs(INSTANCE_DIR, exist_ok=True)
DB_PATH = os.getenv("AISPY_DB_PATH", os.path.join(INSTANCE_DIR, "aispy.db"))
@contextmanager
def get_connection():
conn = sqlite3.connect(DB_PATH)
conn.row_factory = sqlite3.Row
try:
yield conn
conn.commit()
finally:
conn.close()
def _utc_now() -> str:
return datetime.now(timezone.utc).isoformat()
def init_db() -> None:
with get_connection() as conn:
conn.execute(
"""
CREATE TABLE IF NOT EXISTS users (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
email TEXT NOT NULL UNIQUE,
password_hash TEXT NOT NULL,
is_admin INTEGER NOT NULL DEFAULT 0,
created_at TEXT NOT NULL,
last_login_at TEXT
)
"""
)
conn.execute(
"""
CREATE TABLE IF NOT EXISTS analyses (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id INTEGER NOT NULL,
request_id TEXT NOT NULL UNIQUE,
input_type TEXT NOT NULL,
file_name TEXT,
source_url TEXT,
text_claim TEXT,
verdict TEXT,
confidence REAL,
reasoning TEXT,
final_report TEXT,
payload_json TEXT,
status TEXT NOT NULL DEFAULT 'completed',
created_at TEXT NOT NULL,
FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
)
"""
)
conn.execute(
"""
CREATE TABLE IF NOT EXISTS password_resets (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id INTEGER NOT NULL,
token TEXT NOT NULL UNIQUE,
expires_at TEXT NOT NULL,
used_at TEXT,
created_at TEXT NOT NULL,
FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
)
"""
)
user_columns = {row[1] for row in conn.execute("PRAGMA table_info(users)").fetchall()}
if "is_admin" not in user_columns:
conn.execute("ALTER TABLE users ADD COLUMN is_admin INTEGER NOT NULL DEFAULT 0")
def seed_first_admin() -> None:
with get_connection() as conn:
total_users = conn.execute("SELECT COUNT(*) AS c FROM users").fetchone()["c"]
total_admins = conn.execute("SELECT COUNT(*) AS c FROM users WHERE is_admin = 1").fetchone()["c"]
if int(total_users or 0) > 0 and int(total_admins or 0) == 0:
conn.execute("UPDATE users SET is_admin = 1 WHERE id = (SELECT id FROM users ORDER BY id LIMIT 1)")
def row_to_dict(row: Optional[sqlite3.Row]) -> Optional[Dict[str, Any]]:
return dict(row) if row is not None else None
def create_user(name: str, email: str, password: str) -> Dict[str, Any]:
password_hash = generate_password_hash(password)
admin_emails = {e.strip().lower() for e in os.getenv("AISPY_ADMIN_EMAILS", "").split(",") if e.strip()}
with get_connection() as conn:
total_users = conn.execute("SELECT COUNT(*) AS c FROM users").fetchone()["c"]
has_admin = conn.execute("SELECT COUNT(*) AS c FROM users WHERE is_admin = 1").fetchone()["c"]
is_admin = 1 if (email.strip().lower() in admin_emails or int(total_users or 0) == 0 or int(has_admin or 0) == 0) else 0
cur = conn.execute(
"""
INSERT INTO users (name, email, password_hash, is_admin, created_at)
VALUES (?, ?, ?, ?, ?)
""",
(name.strip(), email.strip().lower(), password_hash, is_admin, _utc_now()),
)
row = conn.execute("SELECT * FROM users WHERE id = ?", (cur.lastrowid,)).fetchone()
return row_to_dict(row)
def get_user_by_id(user_id: int) -> Optional[Dict[str, Any]]:
with get_connection() as conn:
row = conn.execute("SELECT * FROM users WHERE id = ?", (user_id,)).fetchone()
return row_to_dict(row)
def get_user_by_email(email: str) -> Optional[Dict[str, Any]]:
with get_connection() as conn:
row = conn.execute("SELECT * FROM users WHERE email = ?", (email.strip().lower(),)).fetchone()
return row_to_dict(row)
def verify_user(email: str, password: str) -> Optional[Dict[str, Any]]:
user = get_user_by_email(email)
if not user:
return None
if not check_password_hash(user["password_hash"], password):
return None
with get_connection() as conn:
conn.execute("UPDATE users SET last_login_at = ? WHERE id = ?", (_utc_now(), user["id"]))
return get_user_by_id(user["id"])
def update_user_profile(user_id: int, *, name: Optional[str] = None, email: Optional[str] = None) -> Optional[Dict[str, Any]]:
fields = []
values: List[Any] = []
if name is not None:
fields.append("name = ?")
values.append(name.strip())
if email is not None:
fields.append("email = ?")
values.append(email.strip().lower())
if not fields:
return get_user_by_id(user_id)
values.append(user_id)
with get_connection() as conn:
conn.execute(f"UPDATE users SET {', '.join(fields)} WHERE id = ?", values)
return get_user_by_id(user_id)
def change_password(user_id: int, new_password: str) -> None:
password_hash = generate_password_hash(new_password)
with get_connection() as conn:
conn.execute("UPDATE users SET password_hash = ? WHERE id = ?", (password_hash, user_id))
def create_password_reset_token(email: str, ttl_minutes: int = 30) -> Optional[Dict[str, Any]]:
user = get_user_by_email(email)
if not user:
return None
token = secrets.token_urlsafe(32)
expires_at = datetime.now(timezone.utc).timestamp() + ttl_minutes * 60
expires_iso = datetime.fromtimestamp(expires_at, tz=timezone.utc).isoformat()
with get_connection() as conn:
conn.execute(
"""
INSERT INTO password_resets (user_id, token, expires_at, created_at)
VALUES (?, ?, ?, ?)
""",
(user["id"], token, expires_iso, _utc_now()),
)
return {"token": token, "user_id": user["id"], "email": user["email"], "expires_at": expires_iso}
def get_password_reset_token(token: str) -> Optional[Dict[str, Any]]:
with get_connection() as conn:
row = conn.execute("SELECT * FROM password_resets WHERE token = ?", (token,)).fetchone()
return row_to_dict(row)
def use_password_reset_token(token: str) -> Optional[Dict[str, Any]]:
record = get_password_reset_token(token)
if not record or record.get("used_at"):
return None
if record.get("expires_at") and datetime.fromisoformat(record["expires_at"]) < datetime.now(timezone.utc):
return None
with get_connection() as conn:
conn.execute("UPDATE password_resets SET used_at = ? WHERE token = ?", (_utc_now(), token))
return record
def set_user_admin(user_id: int, is_admin: bool) -> Optional[Dict[str, Any]]:
with get_connection() as conn:
conn.execute("UPDATE users SET is_admin = ? WHERE id = ?", (1 if is_admin else 0, user_id))
return get_user_by_id(user_id)
def create_analysis(payload: Dict[str, Any]) -> Dict[str, Any]:
with get_connection() as conn:
cur = conn.execute(
"""
INSERT INTO analyses (
user_id, request_id, input_type, file_name, source_url, text_claim,
verdict, confidence, reasoning, final_report, payload_json, status, created_at
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
""",
(
payload["user_id"],
payload["request_id"],
payload.get("input_type", "text"),
payload.get("file_name"),
payload.get("source_url"),
payload.get("text_claim"),
payload.get("verdict"),
payload.get("confidence"),
payload.get("reasoning"),
payload.get("final_report"),
json.dumps(payload.get("payload_json", {}), ensure_ascii=False),
payload.get("status", "completed"),
_utc_now(),
),
)
return get_analysis_by_id(cur.lastrowid)
def list_user_analyses(user_id: int, limit: int = 20) -> List[Dict[str, Any]]:
with get_connection() as conn:
rows = conn.execute(
"""
SELECT * FROM analyses
WHERE user_id = ?
ORDER BY id DESC
LIMIT ?
""",
(user_id, limit),
).fetchall()
return [row_to_dict(row) for row in rows]
def get_analysis_by_id(analysis_id: int, user_id: Optional[int] = None) -> Optional[Dict[str, Any]]:
with get_connection() as conn:
if user_id is None:
row = conn.execute("SELECT * FROM analyses WHERE id = ?", (analysis_id,)).fetchone()
else:
row = conn.execute(
"SELECT * FROM analyses WHERE id = ? AND user_id = ?",
(analysis_id, user_id),
).fetchone()
if not row:
return None
data = row_to_dict(row)
if data and data.get("payload_json"):
try:
data["payload_json"] = json.loads(data["payload_json"])
except Exception:
pass
return data
def latest_analysis_for_user(user_id: int) -> Optional[Dict[str, Any]]:
items = list_user_analyses(user_id, limit=1)
return items[0] if items else None
def get_dashboard_stats(user_id: int) -> Dict[str, Any]:
with get_connection() as conn:
total = conn.execute("SELECT COUNT(*) AS c FROM analyses WHERE user_id = ?", (user_id,)).fetchone()["c"]
fake = conn.execute(
"""
SELECT COUNT(*) AS c
FROM analyses
WHERE user_id = ? AND LOWER(COALESCE(verdict, '')) LIKE '%fake%'
""",
(user_id,),
).fetchone()["c"]
recent = conn.execute(
"SELECT created_at FROM analyses WHERE user_id = ? ORDER BY id DESC LIMIT 1",
(user_id,),
).fetchone()
return {
"total_analyses": int(total or 0),
"fake_flags": int(fake or 0),
"last_scan_at": recent["created_at"] if recent else None,
}
def list_users(limit: int = 200) -> List[Dict[str, Any]]:
with get_connection() as conn:
rows = conn.execute(
"SELECT * FROM users ORDER BY id DESC LIMIT ?",
(limit,),
).fetchall()
return [row_to_dict(row) for row in rows]
def list_all_analyses(limit: int = 200) -> List[Dict[str, Any]]:
with get_connection() as conn:
rows = conn.execute(
"SELECT * FROM analyses ORDER BY id DESC LIMIT ?",
(limit,),
).fetchall()
return [row_to_dict(row) for row in rows]
def get_admin_stats() -> Dict[str, Any]:
with get_connection() as conn:
users = conn.execute("SELECT COUNT(*) AS c FROM users").fetchone()["c"]
analyses = conn.execute("SELECT COUNT(*) AS c FROM analyses").fetchone()["c"]
admins = conn.execute("SELECT COUNT(*) AS c FROM users WHERE is_admin = 1").fetchone()["c"]
return {"users": int(users or 0), "analyses": int(analyses or 0), "admins": int(admins or 0)}
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