61 lines
2.0 KiB
TypeScript
61 lines
2.0 KiB
TypeScript
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import { WorkQueueItem, processWorkQueue, barrierQueue, unwrap } from "@snort/shared";
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import { EventSigner } from "../event-publisher";
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import { HexKey, NostrEvent } from "../nostr";
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const Nip7Queue: Array<WorkQueueItem> = [];
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processWorkQueue(Nip7Queue);
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declare global {
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interface Window {
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nostr?: {
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getPublicKey: () => Promise<HexKey>;
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signEvent: <T extends NostrEvent>(event: T) => Promise<T>;
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getRelays?: () => Promise<Record<string, { read: boolean; write: boolean }>>;
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nip04?: {
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encrypt?: (pubkey: HexKey, plaintext: string) => Promise<string>;
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decrypt?: (pubkey: HexKey, ciphertext: string) => Promise<string>;
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};
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};
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}
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}
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export class Nip7Signer implements EventSigner {
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init(): Promise<void> {
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return Promise.resolve();
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}
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async getPubKey(): Promise<string> {
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if (!window.nostr) {
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throw new Error("Cannot use NIP-07 signer, not found!");
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}
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return await window.nostr.getPublicKey();
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}
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async nip4Encrypt(content: string, key: string): Promise<string> {
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if (!window.nostr) {
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throw new Error("Cannot use NIP-07 signer, not found!");
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}
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return await barrierQueue(Nip7Queue, () =>
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unwrap(window.nostr?.nip04?.encrypt).call(window.nostr?.nip04, key, content)
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);
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}
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async nip4Decrypt(content: string, otherKey: string): Promise<string> {
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if (!window.nostr) {
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throw new Error("Cannot use NIP-07 signer, not found!");
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}
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return await barrierQueue(Nip7Queue, () =>
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unwrap(window.nostr?.nip04?.decrypt).call(window.nostr?.nip04, otherKey, content)
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);
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}
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async sign(ev: NostrEvent): Promise<NostrEvent> {
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if (!window.nostr) {
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throw new Error("Cannot use NIP-07 signer, not found!");
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}
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return await barrierQueue(Nip7Queue, () => unwrap(window.nostr).signEvent(ev));
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}
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}
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