42 lines
906 B
TypeScript
42 lines
906 B
TypeScript
import { getActivePortals } from "#portal.js";
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import { ErrTuple } from "#types.js";
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import { decodeCid, getVerifiableStream } from "@lumeweb/libportal";
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const NO_PORTALS_ERROR = [null, "no active portals"] as ErrTuple;
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export async function downloadObject(cid: string): Promise<ErrTuple> {
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const activePortals = getActivePortals();
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if (!activePortals.length) {
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return NO_PORTALS_ERROR;
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}
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for (const portal of activePortals) {
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if (!(await portal.isLoggedIn())) {
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try {
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await portal.register();
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} catch {
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continue;
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}
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await portal.login();
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}
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let stream, proof;
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try {
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stream = await portal.downloadFile(cid);
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proof = await portal.downloadProof(cid);
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} catch {
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continue;
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}
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return [
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await getVerifiableStream(decodeCid(cid).hash, proof, stream),
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null,
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];
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}
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return NO_PORTALS_ERROR;
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}
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