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"""UI for admin stuff"""
import uuid
import random
import string
from functools import partial
from datetime import datetime, timezone, timedelta
from email_validator import validate_email, EmailNotValidError
from flask import (
flash,
session,
request,
url_for,
redirect,
Blueprint,
current_app,
render_template)
from gn3.auth import db
from gn3.auth.db_utils import with_db_connection
from gn3.auth.authentication.oauth2.models.oauth2client import (
save_client,
OAuth2Client)
from gn3.auth.authentication.users import (
User,
user_by_id,
valid_login,
user_by_email,
hash_password)
from .ui import SESSION_KEY, is_admin
admin = Blueprint("admin", __name__)
@admin.before_request
def update_expires():
"""Update session expiration."""
if bool(session.get(SESSION_KEY)):
now = datetime.now(tz=timezone.utc)
if now >= session[SESSION_KEY]["expires"]:
flash("Session has expired. Logging out...", "alert-warning")
session.pop(SESSION_KEY)
return redirect(url_for("oauth2.admin.login"))
# If not expired, extend expiry.
session[SESSION_KEY]["expires"] = now + timedelta(minutes=10)
return None
@admin.route("/dashboard", methods=["GET"])
def dashboard():
"""Admin dashboard."""
return render_template("admin/dashboard.html")
@admin.route("/login", methods=["GET", "POST"])
def login():
"""Log in to GN3 directly without OAuth2 client."""
if request.method == "GET":
return render_template(
"admin/login.html",
next_uri=request.args.get("next", "oauth2.admin.dashboard"))
form = request.form
next_uri = form.get("next_uri", "oauth2.admin.dashboard")
error_message = "Invalid email or password provided."
login_page = redirect(url_for("oauth2.admin.login", next=next_uri))
try:
email = validate_email(form.get("email", "").strip(),
check_deliverability=False)
password = form.get("password")
with db.connection(current_app.config["AUTH_DB"]) as conn:
user = user_by_email(conn, email["email"])
if valid_login(conn, user, password):
session[SESSION_KEY] = {
"user": user._asdict(),
"expires": datetime.now(tz=timezone.utc) + timedelta(minutes=10)
}
return redirect(url_for(next_uri))
flash(error_message, "alert-danger")
return login_page
except EmailNotValidError as _enve:
flash(error_message, "alert-danger")
return login_page
@admin.route("/logout", methods=["GET"])
def logout():
"""Log out the admin."""
if not bool(session.get(SESSION_KEY)):
flash("Not logged in.", "alert-info")
return redirect(url_for("oauth2.admin.login"))
session.pop(SESSION_KEY)
flash("Logged out", "alert-success")
return redirect(url_for("oauth2.admin.login"))
def random_string(length: int = 64) -> str:
"""Generate a random string."""
return "".join(
random.choice(string.ascii_letters + string.digits + string.punctuation)
for _idx in range(0, length))
def __response_types__(grant_types: tuple[str, ...]) -> tuple[str, ...]:
"""Compute response types from grant types."""
resps = {
"password": ("token",),
"authorization_code": ("token", "code"),
"refresh_token": ("token",)
}
return tuple(set(
resp_typ for types_list
in (types for grant, types in resps.items() if grant in grant_types)
for resp_typ in types_list))
@admin.route("/register-client", methods=["GET", "POST"])
@is_admin
def register_client():
"""Register an OAuth2 client."""
def __list_users__(conn):
with db.cursor(conn) as cursor:
cursor.execute("SELECT * FROM users")
return tuple(
User(uuid.UUID(row["user_id"]), row["email"], row["name"])
for row in cursor.fetchall())
if request.method == "GET":
return render_template(
"admin/register-client.html",
scope=current_app.config["OAUTH2_SCOPE"],
users=with_db_connection(__list_users__),
current_user=session[SESSION_KEY]["user"])
form = request.form
raw_client_secret = random_string()
default_redirect_uri = form["redirect_uri"]
grant_types = form.getlist("grants[]")
client = OAuth2Client(
client_id = uuid.uuid4(),
client_secret = hash_password(raw_client_secret),
client_id_issued_at = datetime.now(tz=timezone.utc),
client_secret_expires_at = datetime.fromtimestamp(0),
client_metadata = {
"client_name": "GN2 Dev Server",
"token_endpoint_auth_method": [
"client_secret_post", "client_secret_basic"],
"client_type": "confidential",
"grant_types": ["password", "authorization_code", "refresh_token"],
"default_redirect_uri": default_redirect_uri,
"redirect_uris": [default_redirect_uri] + form.get("other_redirect_uri", "").split(),
"response_type": __response_types__(tuple(grant_types)),
"scope": form.getlist("scope[]")
},
user = with_db_connection(partial(
user_by_id, user_id=uuid.UUID(form["user"])))
)
client = with_db_connection(partial(save_client, the_client=client))
return render_template(
"admin/registered-client.html",
client=client,
client_secret = raw_client_secret)
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