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/*
This file is part of GNU Anastasis
(C) 2021-2022 Anastasis SARL
GNU Anastasis is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Anastasis 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with
GNU Anastasis; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
import { encodeCrock, stringToBytes } from "@gnu-taler/taler-util";
import { h, VNode } from "preact";
import { useState } from "preact/hooks";
import {
FileInput,
FileTypeContent,
} from "../../components/fields/FileInput.js";
import { TextInput } from "../../components/fields/TextInput.js";
import { useAnastasisContext } from "../../context/anastasis.js";
import { AnastasisClientFrame } from "./index.js";
export function SecretEditorScreen(): VNode {
const reducer = useAnastasisContext();
const [secretValue, setSecretValue] = useState("");
const [secretFile, _setSecretFile] = useState<FileTypeContent | undefined>(
undefined,
);
function setSecretFile(v: FileTypeContent | undefined): void {
setSecretValue(""); // reset secret value when uploading a file
_setSecretFile(v);
}
const currentSecretName =
reducer?.currentReducerState &&
"secret_name" in reducer.currentReducerState &&
reducer.currentReducerState.secret_name;
const [secretName, setSecretName] = useState(currentSecretName || "");
if (!reducer) {
return <div>no reducer in context</div>;
}
if (reducer.currentReducerState?.reducer_type !== "backup") {
return <div>invalid state</div>;
}
const secretNext = async (): Promise<void> => {
const secret = secretFile
? {
value: encodeCrock(stringToBytes(secretFile.content)),
filename: secretFile.name,
mime: secretFile.type,
}
: {
value: encodeCrock(stringToBytes(secretValue)),
mime: "text/plain",
};
return reducer.runTransaction(async (tx) => {
await tx.transition("enter_secret_name", {
name: secretName,
});
await tx.transition("enter_secret", {
secret,
expiration: {
t_s: new Date().getTime() + 60 * 60 * 24 * 365 * 5,
},
});
await tx.transition("next", {});
});
};
const errors = !secretName
? "Add a secret name"
: !secretValue && !secretFile
? "Add a secret value or a choose a file to upload"
: undefined;
function goNextIfNoErrors(): void {
if (!errors) secretNext();
}
return (
<AnastasisClientFrame
hideNext={errors}
title="Backup: Provide secret to backup"
onNext={() => secretNext()}
>
<div class="block">
<TextInput
label="Secret name:"
tooltip="This allows you to uniquely identify a secret if you have made multiple back ups. The value entered here will NOT be protected by the authentication checks!"
grabFocus
onConfirm={goNextIfNoErrors}
bind={[secretName, setSecretName]}
/>
<div>
Names should be unique, so that you can easily identify your secret
later.
</div>
</div>
<div class="block">
<TextInput
inputType="multiline"
disabled={!!secretFile}
onConfirm={goNextIfNoErrors}
label="Enter the secret as text:"
bind={[secretValue, setSecretValue]}
/>
</div>
<div class="block">
Or upload a secret file
<FileInput label="Choose file" onChange={setSecretFile} />
{secretFile && (
<div>
Uploading secret file <b>{secretFile.name}</b>{" "}
<a onClick={() => setSecretFile(undefined)}>cancel</a>
</div>
)}
</div>
</AnastasisClientFrame>
);
}
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