133 lines
3.7 KiB
TypeScript
133 lines
3.7 KiB
TypeScript
import {SdkProvider} from "~/data/sdk-provider.js";
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import {S5Client} from "@lumeweb/s5-js";
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import {PROTOCOL_S5} from "@lumeweb/portal-sdk";
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import {Multihash} from "@lumeweb/libs5/lib/multihash.js";
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import {AxiosProgressEvent} from "axios";
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import {CID, CID_TYPES, METADATA_TYPES, metadataMagicByte, Unpacker} from "@lumeweb/libs5";
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async function getIsManifest(s5: S5Client, hash: string): Promise<boolean | number> {
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let type: number | null;
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try {
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const abort = new AbortController();
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const resp = s5.downloadData(hash, {
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onDownloadProgress: (progressEvent: AxiosProgressEvent) => {
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if (progressEvent.loaded >= 10) {
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abort.abort();
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}
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},
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httpConfig: {
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signal: abort.signal,
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},
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});
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const data = await resp;
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const unpacker = Unpacker.fromPacked(Buffer.from(data));
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try {
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const magic = unpacker.unpackInt();
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if (magic !== metadataMagicByte) {
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return false;
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}
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type = unpacker.unpackInt();
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if (!type || !Object.values(METADATA_TYPES).includes(type)) {
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return false;
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}
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} catch (e) {
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return false;
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}
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} catch (e) {
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return false;
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}
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switch (type) {
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case METADATA_TYPES.DIRECTORY:
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return CID_TYPES.DIRECTORY;
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case METADATA_TYPES.WEBAPP:
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return CID_TYPES.METADATA_WEBAPP;
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case METADATA_TYPES.MEDIA:
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return CID_TYPES.METADATA_MEDIA;
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case METADATA_TYPES.USER_IDENTITY:
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return CID_TYPES.USER_IDENTITY;
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}
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return 0;
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}
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export interface FileItem {
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cid: string;
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type: string;
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mimeType: string;
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pinned: string;
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}
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export const fileProvider: SdkProvider = {
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sdk: undefined,
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async getList() {
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const items: FileItem[] = [];
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try {
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const s5 = fileProvider.sdk?.protocols().get<S5Client>(PROTOCOL_S5)!.getSdk()!;
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const pinList = await s5.accountPins();
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for (const pin of pinList!.pins) {
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const manifest = await getIsManifest(s5, pin.hash) as number;
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if (manifest) {
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const mHash = Multihash.fromBase64Url(pin.hash);
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items.push({
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cid: new CID(manifest, mHash, pin.size).toString(),
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type: "manifest",
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mimeType: "application/octet-stream",
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pinned: pin.pinned_at,
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});
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} else {
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items.push({
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cid: new CID(CID_TYPES.RAW, Multihash.fromBase64Url(pin.hash), pin.size).toString(),
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type: "raw",
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mimeType: pin.mime_type,
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pinned: pin.pinned_at,
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});
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}
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}
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} catch (e) {
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return Promise.reject(e);
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}
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return {
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data: items,
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total: items.length,
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};
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},
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getOne() {
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console.log("Not implemented");
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return Promise.resolve({
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data: {
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id: 1
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},
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});
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},
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update() {
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console.log("Not implemented");
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return Promise.resolve({
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data: {},
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});
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},
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create() {
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console.log("Not implemented");
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return Promise.resolve({
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data: {},
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});
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},
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deleteOne() {
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console.log("Not implemented");
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return Promise.resolve({
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data: {},
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});
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},
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getApiUrl() {
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return "";
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},
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} satisfies SdkProvider;
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