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Diffstat (limited to 'packages/demobank-ui/src/pages/RegistrationPage.tsx')
| -rw-r--r-- | packages/demobank-ui/src/pages/RegistrationPage.tsx | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/packages/demobank-ui/src/pages/RegistrationPage.tsx b/packages/demobank-ui/src/pages/RegistrationPage.tsx new file mode 100644 index 000000000..c97cb56f3 --- /dev/null +++ b/packages/demobank-ui/src/pages/RegistrationPage.tsx @@ -0,0 +1,262 @@ +/* + 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 { Logger } from "@gnu-taler/taler-util"; +import { Fragment, h, VNode } from "preact"; +import { route } from "preact-router"; +import { StateUpdater, useState } from "preact/hooks"; +import { useBackendContext } from "../context/backend.js"; +import { PageStateType, usePageContext } from "../context/pageState.js"; +import { + InternationalizationAPI, + useTranslationContext, +} from "@gnu-taler/web-util/lib/index.browser"; +import { BackendStateHandler } from "../hooks/backend.js"; +import { bankUiSettings } from "../settings.js"; +import { getBankBackendBaseUrl, undefinedIfEmpty } from "../utils.js"; +import { BankFrame } from "./BankFrame.js"; +import { ShowInputErrorLabel } from "./ShowInputErrorLabel.js"; + +const logger = new Logger("RegistrationPage"); + +export function RegistrationPage(): VNode { + const { i18n } = useTranslationContext(); + if (!bankUiSettings.allowRegistrations) { + return ( + <BankFrame> + <p>{i18n.str`Currently, the bank is not accepting new registrations!`}</p> + </BankFrame> + ); + } + return ( + <BankFrame> + <RegistrationForm /> + </BankFrame> + ); +} + +const usernameRegex = /^[a-z][a-zA-Z0-9]+$/; + +/** + * Collect and submit registration data. + */ +function RegistrationForm(): VNode { + const backend = useBackendContext(); + const { pageState, pageStateSetter } = usePageContext(); + const [username, setUsername] = useState<string | undefined>(); + const [password, setPassword] = useState<string | undefined>(); + const [repeatPassword, setRepeatPassword] = useState<string | undefined>(); + + const { i18n } = useTranslationContext(); + + const errors = undefinedIfEmpty({ + username: !username + ? i18n.str`Missing username` + : !usernameRegex.test(username) + ? i18n.str`Use only letter and numbers starting with a lower case letter` + : undefined, + password: !password + ? i18n.str`Missing password` + : !usernameRegex.test(password) + ? i18n.str`Use only letter and numbers starting with a lower case letter` + : undefined, + repeatPassword: !repeatPassword + ? i18n.str`Missing password` + : repeatPassword !== password + ? i18n.str`Password don't match` + : undefined, + }); + + return ( + <Fragment> + <h1 class="nav">{i18n.str`Welcome to ${bankUiSettings.bankName}!`}</h1> + <article> + <div class="register-div"> + <form action="javascript:void(0);" class="register-form" noValidate> + <div class="pure-form"> + <h2>{i18n.str`Please register!`}</h2> + <p class="unameFieldLabel registerFieldLabel formFieldLabel"> + <label for="register-un">{i18n.str`Username:`}</label> + </p> + <input + id="register-un" + name="register-un" + type="text" + placeholder="Username" + value={username ?? ""} + onInput={(e): void => { + setUsername(e.currentTarget.value); + }} + /> + <ShowInputErrorLabel + message={errors?.username} + isDirty={username !== undefined} + /> + <p class="unameFieldLabel registerFieldLabel formFieldLabel"> + <label for="register-pw">{i18n.str`Password:`}</label> + </p> + <input + type="password" + name="register-pw" + id="register-pw" + placeholder="Password" + value={password ?? ""} + required + onInput={(e): void => { + setPassword(e.currentTarget.value); + }} + /> + <ShowInputErrorLabel + message={errors?.password} + isDirty={password !== undefined} + /> + <p class="unameFieldLabel registerFieldLabel formFieldLabel"> + <label for="register-repeat">{i18n.str`Repeat Password:`}</label> + </p> + <input + type="password" + style={{ marginBottom: 8 }} + name="register-repeat" + id="register-repeat" + placeholder="Same password" + value={repeatPassword ?? ""} + required + onInput={(e): void => { + setRepeatPassword(e.currentTarget.value); + }} + /> + <ShowInputErrorLabel + message={errors?.repeatPassword} + isDirty={repeatPassword !== undefined} + /> + <br /> + <button + class="pure-button pure-button-primary btn-register" + disabled={!!errors} + onClick={() => { + if (!username || !password) return; + registrationCall( + { username, password }, + backend, // will store BE URL, if OK. + pageStateSetter, + i18n, + ); + + setUsername(undefined); + setPassword(undefined); + setRepeatPassword(undefined); + }} + > + {i18n.str`Register`} + </button> + {/* FIXME: should use a different color */} + <button + class="pure-button pure-button-secondary btn-cancel" + onClick={() => { + setUsername(undefined); + setPassword(undefined); + setRepeatPassword(undefined); + route("/account"); + }} + > + {i18n.str`Cancel`} + </button> + </div> + </form> + </div> + </article> + </Fragment> + ); +} + +/** + * This function requests /register. + * + * This function is responsible to change two states: + * the backend's (to store the login credentials) and + * the page's (to indicate a successful login or a problem). + */ +async function registrationCall( + req: { username: string; password: string }, + /** + * FIXME: figure out if the two following + * functions can be retrieved somewhat from + * the state. + */ + backend: BackendStateHandler, + pageStateSetter: StateUpdater<PageStateType>, + i18n: InternationalizationAPI, +): Promise<void> { + const url = getBankBackendBaseUrl(); + + const headers = new Headers(); + headers.append("Content-Type", "application/json"); + const registerEndpoint = new URL("access-api/testing/register", url); + let res: Response; + try { + res = await fetch(registerEndpoint.href, { + method: "POST", + body: JSON.stringify({ + username: req.username, + password: req.password, + }), + headers, + }); + } catch (error) { + logger.error( + `Could not POST new registration to the bank (${registerEndpoint.href})`, + error, + ); + pageStateSetter((prevState) => ({ + ...prevState, + + error: { + title: i18n.str`Registration failed, please report`, + debug: JSON.stringify(error), + }, + })); + return; + } + if (!res.ok) { + const response = await res.json(); + if (res.status === 409) { + pageStateSetter((prevState) => ({ + ...prevState, + + error: { + title: i18n.str`That username is already taken`, + debug: JSON.stringify(response), + }, + })); + } else { + pageStateSetter((prevState) => ({ + ...prevState, + + error: { + title: i18n.str`New registration gave response error`, + debug: JSON.stringify(response), + }, + })); + } + } else { + // registration was ok + backend.save({ + url, + username: req.username, + password: req.password, + }); + route("/account"); + } +} |