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/*
This file is part of GNU Taler
(C) 2022-2024 Taler Systems S.A.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
import { HttpStatusCode } from "@gnu-taler/taler-util";
import {
Button,
LocalNotificationBanner,
ShowInputErrorLabel,
useLocalNotificationHandler,
useTranslationContext,
} from "@gnu-taler/web-util/browser";
import { VNode, h } from "preact";
import { useEffect, useRef, useState } from "preact/hooks";
import { useBankCoreApiContext } from "@gnu-taler/web-util/browser";
import { useSessionState } from "../hooks/session.js";
import { RouteDefinition } from "@gnu-taler/web-util/browser";
import { undefinedIfEmpty } from "../utils.js";
import { doAutoFocus } from "./PaytoWireTransferForm.js";
import { USERNAME_REGEX } from "./RegistrationPage.js";
/**
* Collect and submit login data.
*/
export function LoginForm({
currentUser,
fixedUser,
routeRegister,
}: {
fixedUser?: boolean;
currentUser?: string;
routeRegister?: RouteDefinition;
}): VNode {
const session = useSessionState();
const sessionUser =
session.state.status !== "loggedOut" ? session.state.username : undefined;
const [username, setUsername] = useState<string | undefined>(
currentUser ?? sessionUser,
);
const [password, setPassword] = useState<string | undefined>();
const { i18n } = useTranslationContext();
const {
lib: { auth: authenticator },
} = useBankCoreApiContext();
const [notification, withErrorHandler] = useLocalNotificationHandler();
const { config } = useBankCoreApiContext();
const ref = useRef<HTMLInputElement>(null);
useEffect(function focusInput() {
ref.current?.focus();
}, []);
const errors = undefinedIfEmpty({
username: !username
? i18n.str`Missing username`
: !USERNAME_REGEX.test(username)
? i18n.str`Use letters, numbers or any of these characters: - . _ ~`
: undefined,
password: !password ? i18n.str`Missing password` : undefined,
});
async function doLogout() {
session.logOut();
}
const loginHandler =
!username || !password
? undefined
: withErrorHandler(
async () =>
authenticator(username).createAccessTokenBasic(username, password, {
scope: "readwrite",
duration: { d_us: "forever" },
refreshable: true,
}),
(result) => {
session.logIn({ username, token: result.body.access_token });
},
(fail) => {
switch (fail.case) {
case HttpStatusCode.Unauthorized:
return i18n.str`Wrong credentials for "${username}"`;
case HttpStatusCode.NotFound:
return i18n.str`Account not found`;
}
},
);
return (
<div class="flex min-h-full flex-col justify-center ">
<LocalNotificationBanner notification={notification} />
<div class="mt-10 sm:mx-auto sm:w-full sm:max-w-sm">
<form
class="space-y-6"
noValidate
onSubmit={(e) => {
e.preventDefault();
}}
autoCapitalize="none"
autoCorrect="off"
>
<div>
<label
for="username"
class="block text-sm font-medium leading-6 text-gray-900"
>
<i18n.Translate>Username</i18n.Translate>
</label>
<div class="mt-2">
<input
ref={doAutoFocus}
type="text"
name="username"
id="username"
class="block w-full disabled:bg-gray-200 rounded-md border-0 py-1.5 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 focus:ring-2 focus:ring-inset focus:ring-indigo-600 sm:text-sm sm:leading-6"
value={username ?? ""}
disabled={fixedUser}
enterkeyhint="next"
placeholder="identification"
autocomplete="username"
title={i18n.str`Username of the account`}
required
onInput={(e): void => {
setUsername(e.currentTarget.value);
}}
/>
<ShowInputErrorLabel
message={errors?.username}
isDirty={username !== undefined}
/>
</div>
</div>
<div>
<div class="flex items-center justify-between">
<label
for="password"
class="block text-sm font-medium leading-6 text-gray-900"
>
<i18n.Translate>Password</i18n.Translate>
</label>
</div>
<div class="mt-2">
<input
type="password"
name="password"
id="password"
autocomplete="current-password"
class="block w-full rounded-md border-0 py-1.5 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 focus:ring-2 focus:ring-inset focus:ring-indigo-600 sm:text-sm sm:leading-6"
enterkeyhint="send"
value={password ?? ""}
placeholder="Password"
title={i18n.str`Password of the account`}
required
onInput={(e): void => {
setPassword(e.currentTarget.value);
}}
/>
<ShowInputErrorLabel
message={errors?.password}
isDirty={password !== undefined}
/>
</div>
</div>
{session.state.status !== "loggedOut" ? (
<div class="flex justify-between">
<button
type="submit"
name="cancel"
class="rounded-md bg-white-600 px-3 py-1.5 text-sm font-semibold leading-6 text-black shadow-sm hover:bg-gray-100 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-gray-600"
onClick={(e) => {
e.preventDefault();
doLogout();
}}
>
<i18n.Translate>Cancel</i18n.Translate>
</button>
<Button
type="submit"
name="check"
class="rounded-md bg-indigo-600 disabled:bg-gray-300 px-3 py-1.5 text-sm font-semibold leading-6 text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600"
disabled={!!errors}
handler={loginHandler}
>
<i18n.Translate>Check</i18n.Translate>
</Button>
</div>
) : (
<div>
<Button
type="submit"
name="login"
class="flex w-full justify-center rounded-md bg-indigo-600 disabled:bg-gray-300 px-3 py-1.5 text-sm font-semibold leading-6 text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600"
disabled={!!errors}
handler={loginHandler}
>
<i18n.Translate>Log in</i18n.Translate>
</Button>
</div>
)}
</form>
{config.allow_registrations && routeRegister && (
<a
name="register"
href={routeRegister.url({})}
class="flex justify-center border-t mt-4 rounded-md bg-blue-600 px-3 py-1.5 text-sm font-semibold leading-6 text-white shadow-sm hover:bg-blue-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-blue-600"
>
<i18n.Translate>Register</i18n.Translate>
</a>
)}
</div>
</div>
);
}
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