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/*
This file is part of GNU Taler
(C) 2022 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 { TranslatedString } from "@gnu-taler/taler-util";
import { notify, useTranslationContext } from "@gnu-taler/web-util/browser";
import { Fragment, VNode, h } from "preact";
import { useEffect, useRef, useState } from "preact/hooks";
import { ShowInputErrorLabel } from "../components/ShowInputErrorLabel.js";
import { useBankCoreApiContext } from "../context/config.js";
import { useBackendState } from "../hooks/backend.js";
import { bankUiSettings } from "../settings.js";
import { undefinedIfEmpty, withRuntimeErrorHandling } from "../utils.js";
import { assertUnreachable } from "./HomePage.js";
import { doAutoFocus } from "./PaytoWireTransferForm.js";
/**
* Collect and submit login data.
*/
export function LoginForm({ reason, onRegister }: { reason?: "not-found" | "forbidden", onRegister?: () => void }): VNode {
const backend = useBackendState();
const currentUser = backend.state.status !== "loggedOut" ? backend.state.username : undefined
const [username, setUsername] = useState<string | undefined>(currentUser);
const [password, setPassword] = useState<string | undefined>();
const { i18n } = useTranslationContext();
const { api } = useBankCoreApiContext();
/**
* Register form may be shown in the initialization step.
* If this is an error when usgin the app the registration
* callback is not set
*/
const isSessionExpired = !onRegister
// useEffect(() => {
// if (backend.state.status === "loggedIn") {
// backend.expired()
// }
// },[])
const ref = useRef<HTMLInputElement>(null);
useEffect(function focusInput() {
//FIXME: show invalidate session and allow relogin
if (isSessionExpired) {
localStorage.removeItem("backend-state");
window.location.reload()
}
ref.current?.focus();
}, []);
const [busy, setBusy] = useState<Record<string, undefined>>()
const errors = undefinedIfEmpty({
username: !username
? i18n.str`Missing username`
// : !USERNAME_REGEX.test(username)
// ? i18n.str`Use letters and numbers only, and start with a lowercase letter`
: undefined,
password: !password ? i18n.str`Missing password` : undefined,
}) ?? busy;
async function doLogout() {
backend.logOut()
}
async function doLogin() {
if (!username || !password) return;
setBusy({})
await withRuntimeErrorHandling(i18n, async () => {
const resp = await api.getAuthenticationAPI(username).createAccessToken(password, {
// scope: "readwrite" as "write", //FIX: different than merchant
scope: "readwrite",
duration: {
d_us: "forever" //FIX: should return shortest
// d_us: 60 * 60 * 24 * 7 * 1000 * 1000
},
refreshable: true,
})
if (resp.type === "ok") {
backend.logIn({ username, token: resp.body.access_token });
} else {
switch (resp.case) {
case "wrong-credentials": return notify({
type: "error",
title: i18n.str`Wrong credentials for "${username}"`,
description: resp.detail.hint as TranslatedString,
debug: resp.detail,
})
case "not-found": return notify({
type: "error",
title: i18n.str`Account not found`,
description: resp.detail.hint as TranslatedString,
debug: resp.detail,
})
default: assertUnreachable(resp)
}
}
})
setPassword(undefined);
setBusy(undefined)
}
return (
<div class="flex min-h-full flex-col justify-center">
<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={isSessionExpired}
enterkeyhint="next"
placeholder="identification"
autocomplete="username"
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">Password</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"
required
onInput={(e): void => {
setPassword(e.currentTarget.value);
}}
/>
<ShowInputErrorLabel
message={errors?.password}
isDirty={password !== undefined}
/>
</div>
</div>
{isSessionExpired ? <div class="flex justify-between">
<button type="submit"
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"
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}
onClick={async (e) => {
e.preventDefault()
doLogin()
}}
>
<i18n.Translate>Renew session</i18n.Translate>
</button>
</div> : <div>
<button type="submit"
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}
onClick={(e) => {
e.preventDefault()
doLogin()
}}
>
<i18n.Translate>Log in</i18n.Translate>
</button>
</div>}
</form>
{bankUiSettings.allowRegistrations && onRegister &&
<p class="mt-10 text-center text-sm text-gray-500 border-t">
<button type="submit"
class="flex 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"
onClick={(e) => {
e.preventDefault()
onRegister()
}}
>
<i18n.Translate>Register</i18n.Translate>
</button>
</p>
}
</div>
</div>
);
}
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