feat: self-service password reset via email (Phase 4)

- email column on users (migration-safe ALTER TABLE)
- email_reset_tokens table (1h TTL, single-use)
- smtp.py: send via STARTTLS, config from CLI/env vars
- POST /api/auth/request-reset — sends reset link, always 200 (no email leak)
- POST /api/auth/reset-password-token — consumes email token
- GET/POST /api/me/email — users can register/update their email
- reset-password page: email form primary, admin code form as toggle,
  token form shown automatically when ?token= is in URL
- CLI: --smtp-host/port/user/password/from (BINCIO_SMTP_* env vars)
This commit is contained in:
Davide Scaini
2026-06-03 16:03:08 +02:00
parent 5b6146792e
commit 1b4f0318e7
6 changed files with 393 additions and 66 deletions
+20
View File
@@ -98,6 +98,11 @@ def show_secret_cmd(data_dir: str) -> None:
type=click.Path(), help="Path to RS256 PEM private key. Enables OIDC endpoints.")
@click.option("--oidc-issuer", default=None, envvar="BINCIO_OIDC_ISSUER",
help="OIDC issuer URL (e.g. https://bincio.org). Required when --oidc-private-key-file is set.")
@click.option("--smtp-host", default=None, envvar="BINCIO_SMTP_HOST", help="SMTP server hostname.")
@click.option("--smtp-port", default=587, envvar="BINCIO_SMTP_PORT", type=int, show_default=True)
@click.option("--smtp-user", default=None, envvar="BINCIO_SMTP_USER", help="SMTP login username.")
@click.option("--smtp-password", default=None, envvar="BINCIO_SMTP_PASSWORD", help="SMTP password / app password.")
@click.option("--smtp-from", default=None, envvar="BINCIO_SMTP_FROM", help="From address (defaults to --smtp-user).")
def serve_cmd(
data_dir: str,
host: str,
@@ -105,6 +110,11 @@ def serve_cmd(
jwt_secret: str | None,
oidc_private_key_file: str | None,
oidc_issuer: str | None,
smtp_host: str | None,
smtp_port: int,
smtp_user: str | None,
smtp_password: str | None,
smtp_from: str | None,
) -> None:
"""Start the bincio-auth API server."""
import uvicorn
@@ -140,11 +150,21 @@ def serve_cmd(
if not deps.oidc_issuer:
raise click.UsageError("--oidc-issuer is required when --oidc-private-key-file is set")
if smtp_host and smtp_user and smtp_password:
from bincio.auth import smtp as _smtp
_smtp.host = smtp_host
_smtp.port = smtp_port
_smtp.user = smtp_user
_smtp.password = smtp_password
_smtp.sender = smtp_from or smtp_user
console.print("[bold]bincio-auth[/bold]")
console.print(f" Data: [cyan]{dd}[/cyan]")
console.print(f" URL: [cyan]http://{host}:{port}[/cyan]")
if deps.oidc_issuer:
console.print(f" OIDC: [cyan]{deps.oidc_issuer}[/cyan]")
if smtp_host:
console.print(f" SMTP: [cyan]{smtp_user}[/cyan] via [cyan]{smtp_host}:{smtp_port}[/cyan]")
console.print()
uvicorn.run(srv.app, host=host, port=port, log_level="info")
+73 -8
View File
@@ -2,12 +2,13 @@
Schema
------
users — registered accounts (handle, hashed password, access flags)
sessions — active login sessions (opaque token → handle, expiry)
invites — invite codes (who created, who used, grants_activity flag)
reset_codes — password reset tokens (admin-issued, 24 h TTL)
settings — instance-wide key/value config
user_prefs — per-user key/value preferences
users — registered accounts (handle, hashed password, access flags)
sessions — active login sessions (opaque token → handle, expiry)
invites — invite codes (who created, who used, grants_activity flag)
reset_codes — password reset tokens (admin-issued, 24 h TTL)
email_reset_tokens — self-service password reset tokens (emailed, 1 h TTL)
settings — instance-wide key/value config
user_prefs — per-user key/value preferences
All timestamps are Unix integers (UTC).
Passwords are hashed with bcrypt.
@@ -97,16 +98,26 @@ CREATE TABLE IF NOT EXISTS oauth2_codes (
used_at INTEGER
);
CREATE TABLE IF NOT EXISTS email_reset_tokens (
token TEXT PRIMARY KEY,
handle TEXT NOT NULL REFERENCES users(handle) ON DELETE CASCADE,
created_at INTEGER NOT NULL,
expires_at INTEGER NOT NULL,
used_at INTEGER
);
CREATE INDEX IF NOT EXISTS sessions_handle ON sessions(handle);
CREATE INDEX IF NOT EXISTS invites_created_by ON invites(created_by);
CREATE INDEX IF NOT EXISTS reset_codes_handle ON reset_codes(handle);
CREATE INDEX IF NOT EXISTS oauth2_codes_client ON oauth2_codes(client_id);
CREATE INDEX IF NOT EXISTS user_prefs_handle ON user_prefs(handle);
CREATE INDEX IF NOT EXISTS email_reset_tokens_handle ON email_reset_tokens(handle);
"""
_SESSION_DAYS = 30
_INVITE_LENGTH = 8
_RESET_CODE_TTL_S = 24 * 3600 # 24 hours
_RESET_CODE_TTL_S = 24 * 3600 # 24 hours
_EMAIL_RESET_TTL_S = 3600 # 1 hour
# ── Data classes ──────────────────────────────────────────────────────────────
@@ -145,10 +156,11 @@ def open_db(data_dir: Path) -> sqlite3.Connection:
db.execute("PRAGMA journal_mode=WAL")
db.execute("PRAGMA foreign_keys=ON")
db.executescript(_SCHEMA)
# Migration: add suspended column to pre-existing databases
cols = {r[1] for r in db.execute("PRAGMA table_info(users)")}
if "suspended" not in cols:
db.execute("ALTER TABLE users ADD COLUMN suspended INTEGER NOT NULL DEFAULT 0")
if "email" not in cols:
db.execute("ALTER TABLE users ADD COLUMN email TEXT DEFAULT NULL")
db.commit()
return db
@@ -514,6 +526,59 @@ def use_reset_code(db: sqlite3.Connection, code: str, handle: str) -> bool:
return True
# ── User email ───────────────────────────────────────────────────────────────
def get_user_by_email(db: sqlite3.Connection, email: str) -> User | None:
row = db.execute(
"SELECT * FROM users WHERE lower(email) = lower(?)", (email,)
).fetchone()
if not row:
return None
return User(
handle=row["handle"],
display_name=row["display_name"],
is_admin=bool(row["is_admin"]),
wiki_access=bool(row["wiki_access"]),
activity_access=bool(row["activity_access"]),
suspended=bool(row["suspended"]),
created_at=row["created_at"],
)
def set_user_email(db: sqlite3.Connection, handle: str, email: str | None) -> None:
db.execute("UPDATE users SET email = ? WHERE handle = ?", (email, handle))
db.commit()
def get_user_email(db: sqlite3.Connection, handle: str) -> str | None:
row = db.execute("SELECT email FROM users WHERE handle = ?", (handle,)).fetchone()
return row["email"] if row else None
# ── Email reset tokens ────────────────────────────────────────────────────────
def create_email_reset_token(db: sqlite3.Connection, handle: str) -> str:
now = int(time.time())
db.execute("DELETE FROM email_reset_tokens WHERE handle = ? AND used_at IS NULL", (handle,))
token = secrets.token_urlsafe(32)
db.execute(
"INSERT INTO email_reset_tokens (token, handle, created_at, expires_at) VALUES (?, ?, ?, ?)",
(token, handle, now, now + _EMAIL_RESET_TTL_S),
)
db.commit()
return token
def get_email_reset_token(db: sqlite3.Connection, token: str) -> dict | None:
row = db.execute("SELECT * FROM email_reset_tokens WHERE token = ?", (token,)).fetchone()
return dict(row) if row else None
def use_email_reset_token(db: sqlite3.Connection, token: str) -> None:
db.execute("UPDATE email_reset_tokens SET used_at = ? WHERE token = ?", (int(time.time()), token))
db.commit()
# ── OAuth2 clients ────────────────────────────────────────────────────────────
import json as _json
+13
View File
@@ -41,5 +41,18 @@ class CreateInviteRequest(BaseModel):
grants_activity: bool = Field(default=False)
class RequestResetRequest(BaseModel):
email: str
class ResetPasswordTokenRequest(BaseModel):
token: str
password: str = Field(..., min_length=8, description="New password (min 8 chars)")
class SetEmailRequest(BaseModel):
email: str
class GenericResponse(BaseModel):
ok: bool = True
+67
View File
@@ -2,19 +2,28 @@
from __future__ import annotations
import time
from fastapi import APIRouter, Cookie, HTTPException, Request
from fastapi.responses import JSONResponse
from bincio.auth import deps
from bincio.auth import smtp as _smtp
from bincio.auth.db import (
authenticate,
change_password,
count_activity_users,
count_wiki_users,
create_email_reset_token,
create_user,
get_email_reset_token,
get_invite,
get_setting,
get_user,
get_user_by_email,
get_user_email,
set_user_email,
use_email_reset_token,
use_invite,
use_reset_code,
)
@@ -24,7 +33,10 @@ from bincio.auth.models import (
LoginResponse,
RegisterRequest,
RegisterResponse,
RequestResetRequest,
ResetPasswordRequest,
ResetPasswordTokenRequest,
SetEmailRequest,
)
router = APIRouter()
@@ -111,6 +123,61 @@ async def reset_password(body: ResetPasswordRequest) -> JSONResponse:
return JSONResponse({"ok": True})
# ── Self-service password reset (email) ──────────────────────────────────────
@router.post("/api/auth/request-reset", response_model=GenericResponse)
async def request_reset(body: RequestResetRequest, request: Request) -> JSONResponse:
ip = request.client.host if request.client else "unknown"
deps._check_rate_limit(ip, deps._login_attempts, deps._LOGIN_RATE_LIMIT,
"Too many attempts. Try again later.")
email = body.email.strip().lower()
db = deps._get_db()
user = get_user_by_email(db, email)
if user and not user.suspended and _smtp.configured():
token = create_email_reset_token(db, user.handle)
issuer = deps.oidc_issuer.rstrip("/") if deps.oidc_issuer else ""
reset_url = f"{issuer}/reset-password/?token={token}"
try:
_smtp.send_reset_email(email, user.handle, reset_url)
except Exception:
pass # never reveal SMTP errors to the caller
# Always return 200 so the response doesn't leak whether an email is registered
return JSONResponse({"ok": True})
@router.post("/api/auth/reset-password-token", response_model=GenericResponse)
async def reset_password_via_token(body: ResetPasswordTokenRequest) -> JSONResponse:
if len(body.password) < 8:
raise HTTPException(400, "Password must be at least 8 characters")
db = deps._get_db()
rec = get_email_reset_token(db, body.token)
if not rec or rec["used_at"] is not None or rec["expires_at"] < int(time.time()):
raise HTTPException(400, "Invalid or expired reset link")
use_email_reset_token(db, body.token)
change_password(db, rec["handle"], body.password)
return JSONResponse({"ok": True})
@router.post("/api/me/email", response_model=GenericResponse)
async def set_email(
body: SetEmailRequest,
bincio_session: str | None = Cookie(default=None),
) -> JSONResponse:
user = deps._require_user(bincio_session)
email = body.email.strip().lower() or None
set_user_email(deps._get_db(), user.handle, email)
return JSONResponse({"ok": True})
@router.get("/api/me/email")
async def get_email(bincio_session: str | None = Cookie(default=None)) -> JSONResponse:
user = deps._require_user(bincio_session)
email = get_user_email(deps._get_db(), user.handle)
return JSONResponse({"email": email})
# ── Registration ──────────────────────────────────────────────────────────────
@router.post("/api/register", response_model=RegisterResponse)
+48
View File
@@ -0,0 +1,48 @@
"""SMTP email sending for bincio-auth.
Config is set by the CLI before uvicorn starts (same pattern as deps.py).
"""
from __future__ import annotations
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
# ── Config (set by CLI) ───────────────────────────────────────────────────────
host: str = ""
port: int = 587
user: str = ""
password: str = ""
sender: str = "" # "From" address; defaults to user
def configured() -> bool:
return bool(host and user and password)
def send_reset_email(to_email: str, handle: str, reset_url: str) -> None:
if not configured():
raise RuntimeError("SMTP not configured")
from_addr = sender or user
msg = MIMEMultipart("alternative")
msg["Subject"] = "Reset your Bincio password"
msg["From"] = f"Bincio <{from_addr}>"
msg["To"] = to_email
body = (
f"Hi @{handle},\n\n"
f"Someone requested a password reset for your Bincio account.\n"
f"Click the link below to set a new password — it expires in 1 hour:\n\n"
f" {reset_url}\n\n"
f"If you didn't request this, you can ignore this email.\n\n"
f"— Bincio"
)
msg.attach(MIMEText(body, "plain"))
with smtplib.SMTP(host, port, timeout=10) as s:
s.starttls()
s.login(user, password)
s.send_message(msg)