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|
<script lang="ts">
import { onMount } from "svelte";
import { browser } from "$app/environment";
import { t } from "$lib/translations";
import PasswordInput from "$comp/PasswordInput.svelte";
import { Relay } from "nostr-tools/relay";
import { bytesToHex, hexToBytes } from "@noble/hashes/utils";
import {
nip04,
nip19,
getEventHash,
generateSecretKey,
getPublicKey,
} from "nostr-tools";
import { getConversationKey, decrypt } from "nostr-tools/nip44";
import { copy, focus, fail, post } from "$lib/utils";
import { eventToSign, signer } from "$lib/store";
import { nostrConnectRelay } from "$lib/nostr";
import Success from "$comp/Success.svelte";
let { id } = $props();
let extensionAvailable = $derived(browser && window.nostr);
let cancel = () => {
eventToSign.set();
showNsec = false;
connectUrl = undefined;
$signer = "cancel";
};
let signerAvailable = $derived(
browser &&
navigator.userAgent.includes("Android") &&
navigator.clipboard &&
navigator.clipboard.readText,
);
let hadSigner = $state(!!$signer);
let connectUrl = $state();
let nostrConnect = async () => {
let connectionSecret = crypto.randomUUID();
let sk = generateSecretKey();
let pubkey = getPublicKey(sk);
connectUrl = `nostrconnect://${pubkey}?relay=${encodeURIComponent(nostrConnectRelay)}&perms=sign_event%3A1&name=Coinos&secret=${connectionSecret}`;
let relay = await Relay.connect(nostrConnectRelay);
relay.subscribe([{ kinds: [24133], "#p": [pubkey] }], {
async onevent(event) {
let pk = event.pubkey;
try {
let result;
try {
({ result } = JSON.parse(
await nip04.decrypt(sk, pk, event.content),
));
} catch (e) {
let ck = await getConversationKey(sk, pk);
({ result } = JSON.parse(await decrypt(event.content, ck)));
}
if (result === connectionSecret || result === "ack") {
$signer = {
method: "connect",
params: {
sk: bytesToHex(sk),
pk,
pubkey,
},
ready: true,
};
}
} catch (e) {
console.log("failed to parse nostr connect event", e);
}
},
});
};
let nsec = $state();
let showNsec = $state();
let toggleNsec = () => {
$signer = {
method: "nsec",
};
};
let nsecSign = async () => {
let sk;
if (nsec.startsWith("nsec")) sk = nip19.decode(nsec).data as Uint8Array;
else sk = hexToBytes(nsec);
$signer = {
method: "nsec",
params: { sk: bytesToHex(sk), pk: getPublicKey(sk) },
ready: true,
};
};
let extensionSign = async () => {
$signer = { method: "extension", ready: true };
};
let signerSign = async () => {
document.addEventListener("focus", signerSigned, true);
};
const signerSigned = async () => {
await new Promise((r) => setTimeout(r, 100));
let sig = await navigator.clipboard.readText();
$signer.params.sig = sig;
$signer.ready = true;
$signer = $signer;
};
let signUrl = $derived(
`nostrsigner:${encodeURIComponent(JSON.stringify($eventToSign))}?compressionType=none&returnType=signature&type=sign_event&appName=Coinos`,
);
</script>
{#if $eventToSign && !$signer?.ready}
<div
class="fixed inset-0 bg-base-100 bg-opacity-90 overflow-y-auto h-full w-full z-50"
>
<div
class="relative mx-auto mt-10 p-5 border w-96 shadow-lg rounded-md bg-base-100 space-y-5"
>
<h1 class="text-center text-2xl font-semibold">Nostr sign</h1>
{#if $eventToSign.sig && !hadSigner}
<Success />
{:else}
{#if connectUrl}
<div class="space-y-2">
<a href={connectUrl} class="block space-y-2">
<img
src={`/qr/${encodeURIComponent(connectUrl)}/raw`}
class="z-10 border-4 border-white"
alt="QR"
/>
<div class="break-all">
{connectUrl}
</div>
</a>
<a href={connectUrl} class="btn">
<iconify-icon
noobserver
icon="ph:arrow-square-out-bold"
width="32"
></iconify-icon>
{$t("payments.openLink")}</a
>
<button class="btn" onclick={() => copy(connectUrl)}>
<iconify-icon noobserver icon="ph:copy-bold" width="32"
></iconify-icon>
{$t("payments.copy")}</button
>
</div>
{:else}
{#if $signer?.method === "nsec"}
<input bind:value={nsec} placeholder="nsec..." />
<button type="button" class="btn btn-accent" onclick={nsecSign}>
<iconify-icon icon="ph:paper-plane-right-bold" width="32"
></iconify-icon>
<div class="my-auto">Submit</div>
</button>
{/if}
{#if !$signer}
{#if extensionAvailable}
<button type="button" class="btn" onclick={extensionSign}>
<iconify-icon
icon="lucide-lab:bee"
width="32"
class="text-yellow-400"
></iconify-icon>
<div class="my-auto">Browser extension</div>
</button>
{/if}
<button type="button" class="btn" onclick={nostrConnect}>
<img src="/images/nostr.png" class="w-8" alt="Nostr" />
<div class="my-auto">Nostr connect</div>
</button>
<button type="button" class="btn" onclick={toggleNsec}>
<iconify-icon icon="ph:key-bold" width="32"></iconify-icon>
<div class="my-auto">Secret key</div>
</button>
{/if}
{/if}
<button type="button" class="btn" onclick={cancel}>
<iconify-icon icon="ph:x-bold" width="32"></iconify-icon>
<div class="my-auto">Cancel</div>
</button>
{/if}
</div>
</div>
{/if}
|
