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/*
This file is part of GNU Taler
(C) 2021-2023 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/>
*/
/**
*
* @author Sebastian Javier Marchano (sebasjm)
*/
import {
Amounts,
MerchantTemplateContractDetails,
} from "@gnu-taler/taler-util";
import { useTranslationContext } from "@gnu-taler/web-util/browser";
import { Fragment, h, VNode } from "preact";
import { useState } from "preact/hooks";
import { AsyncButton } from "../../../../components/exception/AsyncButton.js";
import {
FormErrors,
FormProvider,
} from "../../../../components/form/FormProvider.js";
import { Input } from "../../../../components/form/Input.js";
import { InputCurrency } from "../../../../components/form/InputCurrency.js";
import { InputDuration } from "../../../../components/form/InputDuration.js";
import { InputNumber } from "../../../../components/form/InputNumber.js";
import { InputSelector } from "../../../../components/form/InputSelector.js";
import { InputWithAddon } from "../../../../components/form/InputWithAddon.js";
import { useBackendContext } from "../../../../context/backend.js";
import { MerchantBackend, WithId } from "../../../../declaration.js";
import {
isBase32RFC3548Charset,
randomBase32Key,
} from "../../../../utils/crypto.js";
import { undefinedIfEmpty } from "../../../../utils/table.js";
import { QR } from "../../../../components/exception/QR.js";
import { useInstanceContext } from "../../../../context/instance.js";
type Entity = MerchantBackend.Template.TemplatePatchDetails & WithId;
interface Props {
onUpdate: (d: Entity) => Promise<void>;
onBack?: () => void;
template: Entity;
}
const algorithms = [0, 1, 2];
const algorithmsNames = ["off", "30s 8d TOTP-SHA1", "30s 8d eTOTP-SHA1"];
export function UpdatePage({ template, onUpdate, onBack }: Props): VNode {
const { i18n } = useTranslationContext();
const backend = useBackendContext();
const { id: instanceId } = useInstanceContext();
const issuer = new URL(backend.url).hostname;
const [showKey, setShowKey] = useState(false);
const [state, setState] = useState<Partial<Entity>>(template);
const parsedPrice = !state.template_contract?.amount
? undefined
: Amounts.parse(state.template_contract?.amount);
const errors: FormErrors<Entity> = {
template_description: !state.template_description
? i18n.str`should not be empty`
: undefined,
template_contract: !state.template_contract
? undefined
: undefinedIfEmpty({
amount: !state.template_contract?.amount
? undefined
: !parsedPrice
? i18n.str`not valid`
: Amounts.isZero(parsedPrice)
? i18n.str`must be greater than 0`
: undefined,
minimum_age:
state.template_contract.minimum_age < 0
? i18n.str`should be greater that 0`
: undefined,
pay_duration: !state.template_contract.pay_duration
? i18n.str`can't be empty`
: state.template_contract.pay_duration.d_us === "forever"
? undefined
: state.template_contract.pay_duration.d_us < 1000 * 1000 // less than one second
? i18n.str`to short`
: undefined,
} as Partial<MerchantTemplateContractDetails>),
pos_key: !state.pos_key
? !state.pos_algorithm
? undefined
: i18n.str`required`
: !isBase32RFC3548Charset(state.pos_key)
? i18n.str`just letters and numbers from 2 to 7`
: state.pos_key.length !== 32
? i18n.str`size of the key should be 32`
: undefined,
};
const hasErrors = Object.keys(errors).some(
(k) => (errors as any)[k] !== undefined,
);
const submitForm = () => {
if (hasErrors) return Promise.reject();
return onUpdate(state as any);
};
const qrText = `otpauth://totp/${instanceId}/${state.id}?issuer=${issuer}&algorithm=SHA1&digits=8&period=30&secret=${state.pos_key}`;
return (
<div>
<section class="section">
<section class="hero is-hero-bar">
<div class="hero-body">
<div class="level">
<div class="level-left">
<div class="level-item">
<span class="is-size-4">
{backend.url}/instances/template/{template.id}
</span>
</div>
</div>
</div>
</div>
</section>
<hr />
<section class="section is-main-section">
<div class="columns">
<div class="column is-four-fifths">
<FormProvider
object={state}
valueHandler={setState}
errors={errors}
>
<InputWithAddon<Entity>
name="id"
addonBefore={`templates/`}
readonly
label={i18n.str`Identifier`}
tooltip={i18n.str`Name of the template in URLs.`}
/>
<Input<Entity>
name="template_description"
label={i18n.str`Description`}
help=""
tooltip={i18n.str`Describe what this template stands for`}
/>
<Input
name="template_contract.summary"
inputType="multiline"
label={i18n.str`Fixed summary`}
tooltip={i18n.str`If specified, this template will create order with the same summary`}
/>
<InputCurrency
name="template_contract.amount"
label={i18n.str`Fixed price`}
tooltip={i18n.str`If specified, this template will create order with the same price`}
/>
<InputNumber
name="template_contract.minimum_age"
label={i18n.str`Minimum age`}
help=""
tooltip={i18n.str`Is this contract restricted to some age?`}
/>
<InputDuration
name="template_contract.pay_duration"
label={i18n.str`Payment timeout`}
help=""
tooltip={i18n.str`How much time has the customer to complete the payment once the order was created.`}
/>
<InputSelector<Entity>
name="pos_algorithm"
label={i18n.str`Verification algorithm`}
tooltip={i18n.str`Algorithm to use to verify transaction in offline mode`}
values={algorithms}
toStr={(v) => algorithmsNames[v]}
fromStr={(v) => Number(v)}
/>
{state.pos_algorithm && state.pos_algorithm > 0 ? (
<Fragment>
<InputWithAddon<Entity>
name="pos_key"
label={i18n.str`Point-of-sale key`}
inputType={showKey ? "text" : "password"}
help="Be sure to be very hard to guess or use the random generator"
expand
tooltip={i18n.str`Useful to validate the purchase`}
fromStr={(v) => v.toUpperCase()}
addonAfter={
<span class="icon">
{showKey ? (
<i class="mdi mdi-eye" />
) : (
<i class="mdi mdi-eye-off" />
)}
</span>
}
side={
<span style={{ display: "flex" }}>
<button
data-tooltip={i18n.str`generate random secret key`}
class="button is-info mr-3"
onClick={(e) => {
const pos_key = randomBase32Key();
setState((s) => ({ ...s, pos_key }));
}}
>
<i18n.Translate>random</i18n.Translate>
</button>
<button
data-tooltip={
showKey
? i18n.str`show secret key`
: i18n.str`hide secret key`
}
class="button is-info mr-3"
onClick={(e) => {
setShowKey(!showKey);
}}
>
{showKey ? (
<i18n.Translate>hide</i18n.Translate>
) : (
<i18n.Translate>show</i18n.Translate>
)}
</button>
</span>
}
/>
{showKey && (
<Fragment>
<QR text={qrText} />
<div
style={{
color: "grey",
fontSize: "small",
width: 200,
textAlign: "center",
margin: "auto",
wordBreak: "break-all",
}}
>
{qrText}
</div>
</Fragment>
)}
</Fragment>
) : undefined}
</FormProvider>
<div class="buttons is-right mt-5">
{onBack && (
<button class="button" onClick={onBack}>
<i18n.Translate>Cancel</i18n.Translate>
</button>
)}
<AsyncButton
disabled={hasErrors}
data-tooltip={
hasErrors
? i18n.str`Need to complete marked fields`
: "confirm operation"
}
onClick={submitForm}
>
<i18n.Translate>Confirm</i18n.Translate>
</AsyncButton>
</div>
</div>
</div>
</section>
</section>
</div>
);
}
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