diff --git a/src/rpc/ipfs.ts b/src/rpc/ipfs.ts index 77a37a0..ff0d32d 100644 --- a/src/rpc/ipfs.ts +++ b/src/rpc/ipfs.ts @@ -2,19 +2,15 @@ import { rpcError, RpcMethodList, validateChain } from "./index.js"; import type { IPFS } from "ipfs-core"; import { dynImport } from "../util.js"; import { CID } from "multiformats/cid"; -import last from "it-last"; // @ts-ignore import toStream from "it-to-stream"; import { addStream } from "../streams.js"; -import { bases } from "multiformats/basics"; import { ERR_HASH_IS_DIRECTORY } from "../error.js"; import type { StatResult } from "ipfs-core/dist/src/components/files/stat"; let client: IPFS | Promise; -let resolver: typeof import("ipfs-http-response").resolver; let utils: typeof import("ipfs-http-response").utils; let detectContentType: typeof import("ipfs-http-response").utils.detectContentType; -let normalizeCidPath: typeof import("ipfs-core/dist/src/utils.js").normalizeCidPath; interface StatFileResponse { exists: boolean; @@ -31,6 +27,24 @@ interface StatFileSubfile { size: number; } +function normalizeCidPath(path: any) { + if (path instanceof Uint8Array) { + return CID.decode(path).toString(); + } + + path = path.toString(); + + if (path.indexOf("/ipfs/") === 0) { + path = path.substring("/ipfs/".length); + } + + if (path.charAt(path.length - 1) === "/") { + path = path.substring(0, path.length - 1); + } + + return path; +} + async function initIpfs() { if (client) { if (client instanceof Promise) { @@ -40,20 +54,18 @@ async function initIpfs() { return; } - const IPFS: typeof import("ipfs-core") = await dynImport("ipfs-core"); + const IPFS: typeof import("ipfs-http-client") = await dynImport( + "ipfs-http-client" + ); const ipfsHttpResponse: typeof import("ipfs-http-response") = await dynImport( "ipfs-http-response" ); - normalizeCidPath = (await dynImport("ipfs-core/src/utils.js")) - .normalizeCidPath; - resolver = ipfsHttpResponse.resolver; utils = ipfsHttpResponse.utils; detectContentType = utils.detectContentType; client = IPFS.create({ - // relay: { hop: { enabled: false } }, - silent: true, + host: "127.0.0.1", }); client = await client; } @@ -72,6 +84,8 @@ function normalizePath( fullPath = `${hash}/${path}`; } + + fullPath = fullPath.replace(/\/{2,}/, "/"); return normalizeCidPath(fullPath); } @@ -153,36 +167,27 @@ async function fileExists( let ipfsPath = normalizePath(hash, path, fullPath); try { const controller = new AbortController(); - setTimeout(() => controller.abort(), 5000); - return client.files.stat(`/ipfs/${ipfsPath}`, { + // setTimeout(() => controller.abort(), 5000); + const ret = await client.files.stat(`/ipfs/${ipfsPath}`, { signal: controller.signal, }); + return ret; } catch (err: any) { return err; } } -async function resolveIpns(hash: string, path: string): Promise { - switch (hash.substring(0, 1)) { - case bases.base36.prefix: { - hash = CID.parse(hash, bases.base36).toString(); - } - } - let fullPath = `${hash}/${path}`.replace(/\/+/, "/"); - +async function resolveIpns( + hash: string, + path: string +): Promise { client = client as IPFS; - const controller = new AbortController(); - setTimeout(() => controller.abort(), 5000); + for await (const result of client.name.resolve(hash)) { + return normalizePath(undefined, undefined, `${result}/${path}`); + } - return ( - (await last( - client.name.resolve(fullPath, { - recursive: true, - signal: controller.signal, - }) - )) || path - ); + return false; } const CHAIN = "ipfs"; @@ -196,12 +201,12 @@ export default { } }), stat_ipns: validateChain(CHAIN, async (args: any) => { - let ipfsPath; - try { - ipfsPath = await resolveIpns(args.hash, args.path); - - return statFile(undefined, undefined, ipfsPath); + let ipfsPath = await resolveIpns(args?.hash, args?.path); + if (!ipfsPath) { + throw new Error("ipns lookup failed"); + } + return statFile(undefined, undefined, ipfsPath as string); } catch (e: any) { return rpcError((e as Error).message); } @@ -220,10 +225,12 @@ export default { } }), fetch_ipns: validateChain(CHAIN, async (args: any) => { - let ipfsPath; try { - ipfsPath = await resolveIpns(args.hash, args.path); - const ret = await fetchFile(undefined, undefined, ipfsPath); + let ipfsPath = await resolveIpns(args?.hash, args?.path); + if (!ipfsPath) { + throw new Error("ipns lookup failed"); + } + const ret = await fetchFile(undefined, undefined, ipfsPath as string); if (ret instanceof Error) { throw ret; }