*Rewrite to use new IPFS proxy protocol
This commit is contained in:
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18
build.js
18
build.js
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@ -1,12 +1,12 @@
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import esbuild from 'esbuild'
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esbuild.buildSync({
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entryPoints: ['src/index.ts'],
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outfile: 'dist/ipfs.js',
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format: 'cjs',
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bundle: true,
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platform: "node",
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define: {
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__dirname: '"./plugins/leveldown"'
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}
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})
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entryPoints: ["src/index.ts"],
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outfile: "dist/ipfs.js",
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format: "cjs",
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bundle: true,
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platform: "node",
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define: {
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__dirname: '"./plugins/leveldown"',
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}
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});
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29
package.json
29
package.json
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@ -3,19 +3,30 @@
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"type": "module",
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"version": "0.1.0",
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"scripts": {
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"build": "rimraf node_modules/*/node_modules/ipfs-utils node_modules/@achingbrain/nat-port-mapper/node_modules/default-gateway && bash build.sh"
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"build": "node build.js"
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},
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"devDependencies": {
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"@lumeweb/relay-types": "https://github.com/LumeWeb/relay-types.git",
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"esbuild": "^0.15.5",
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"@libp2p/interface-connection-encrypter": "^3.0.6",
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"@libp2p/interface-peer-id": "^2.0.1",
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"@libp2p/multistream-select": "^3.1.2",
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"@lumeweb/relay-types": "git+https://git.lumeweb.com/LumeWeb/relay-types.git",
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"@types/b4a": "^1.6.0",
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"@types/streamx": "^2.9.1",
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"esbuild": "^0.15.18",
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"prettier": "^2.8.4",
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"rimraf": "^3.0.2"
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},
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"dependencies": {
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"@achingbrain/ssdp": "https://github.com/LumeWeb/ssdp.git",
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"default-gateway": "https://github.com/LumeWeb/default-gateway.git",
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"ipfs-core": "^0.15.4",
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"ipfs-http-response": "^3.0.4",
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"ipfs-utils": "https://github.com/LumeWeb/js-ipfs-utils.git",
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"multiformats": "^9.7.1"
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"@chainsafe/libp2p-noise": "^11.0.1",
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"@libp2p/interface-connection": "^3.1.0",
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"@libp2p/peer-id": "^2.0.2",
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"@lumeweb/libhyperproxy": "git+https://git.lumeweb.com/LumeWeb/libhyperproxy.git",
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"@multiformats/multiaddr": "^11.6.1",
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"b4a": "^1.6.2",
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"compact-encoding": "^2.11.0",
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"debug-stream": "^3.0.1",
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"serialize-error": "^11.0.0",
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"stream-to-it": "^0.2.4",
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"streamx": "^2.13.2"
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}
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}
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@ -0,0 +1,5 @@
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{
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"plugins": [
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"ipfs"
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]
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}
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240
src/index.ts
240
src/index.ts
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@ -1,224 +1,40 @@
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import type {
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Plugin,
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PluginAPI,
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RPCRequest,
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RPCResponse,
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} from "@lumeweb/relay-types";
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import { CID } from "multiformats/cid";
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import type { Plugin, PluginAPI } from "@lumeweb/relay-types";
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import { Peer, Proxy, Socket } from "@lumeweb/libhyperproxy";
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// @ts-ignore
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import toStream from "it-to-stream";
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import type { StatResult } from "ipfs-core/dist/src/components/files/stat";
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import * as IPFS from "ipfs-http-client";
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import debugStream from "debug-stream";
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// @ts-ignore
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import toIterable from "stream-to-it";
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// @ts-ignore
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import { fixed32, raw } from "compact-encoding";
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import PeerManager from "./peerManager";
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interface StatFileResponse {
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exists: boolean;
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contentType: string | null;
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error: any;
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directory: boolean;
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files: StatFileSubfile[];
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timeout: boolean;
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size: number;
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}
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const PROTOCOL = "lumeweb.proxy.ipfs";
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interface StatFileSubfile {
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name: string;
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size: number;
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}
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let client: IPFS.IPFSHTTPClient;
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import { utils } from "ipfs-http-response";
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const { detectContentType } = utils;
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function normalizeCidPath(path: any) {
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if (path instanceof Uint8Array) {
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return CID.decode(path).toString();
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}
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path = path.toString();
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if (path.indexOf("/ipfs/") === 0) {
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path = path.substring("/ipfs/".length);
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}
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if (path.charAt(path.length - 1) === "/") {
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path = path.substring(0, path.length - 1);
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}
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return path;
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}
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function normalizePath(
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hash?: string,
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path?: string,
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fullPath?: string
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): string {
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if (!fullPath) {
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if (!path) {
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path = "/";
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}
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fullPath = `${hash}/${path}`;
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}
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fullPath = fullPath.replace(/\/{2,}/, "/");
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return normalizeCidPath(fullPath);
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}
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async function fetchFile(
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hash?: string,
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path?: string,
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fullPath?: string
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): Promise<Error | AsyncIterable<Uint8Array>> {
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let data = await fileExists(hash, path, fullPath);
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if (data instanceof Error) {
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return data;
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}
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if (data?.type === "directory") {
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return new Error("ERR_HASH_IS_DIRECTORY");
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}
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return client.cat(data.cid);
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}
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async function statFile(hash?: string, path?: string, fullPath?: string) {
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let stats: StatFileResponse = {
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exists: false,
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contentType: null,
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error: null,
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directory: false,
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files: [],
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timeout: false,
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size: 0,
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};
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let exists = await fileExists(hash, path, fullPath);
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fullPath = normalizePath(hash, path, fullPath);
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if (exists instanceof Error) {
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stats.error = exists.toString();
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if (exists.message.includes("aborted")) {
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stats.timeout = true;
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}
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return stats;
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}
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stats.exists = true;
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if (exists?.type === "directory") {
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stats.directory = true;
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for await (const item of client.ls(exists.cid)) {
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stats.files.push({
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name: item.name,
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size: item.size,
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} as StatFileSubfile);
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}
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return stats;
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}
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const { size } = await client.files.stat(`/ipfs/${exists.cid}`);
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stats.size = size;
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const { contentType } = await detectContentType(
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fullPath,
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client.cat(exists.cid)
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);
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stats.contentType = contentType ?? null;
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return stats;
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}
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async function fileExists(
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hash?: string,
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path?: string,
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fullPath?: string
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): Promise<Error | StatResult> {
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let ipfsPath = normalizePath(hash, path, fullPath);
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try {
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const ret = await client.files.stat(`/ipfs/${ipfsPath}`);
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return ret;
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} catch (err: any) {
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return err;
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}
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}
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async function resolveIpns(
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hash: string,
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path: string
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): Promise<string | boolean> {
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for await (const result of client.name.resolve(hash)) {
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return normalizePath(undefined, undefined, `${result}/${path}`);
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}
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return false;
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interface PeerInfoResult {
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publicKey: Uint8Array;
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libp2pPublicKey: Uint8Array;
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}
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const plugin: Plugin = {
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name: "ipfs",
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async plugin(api: PluginAPI): Promise<void> {
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client = await IPFS.create({ host: "127.0.0.1" });
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api.registerMethod("stat_ipfs", {
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cacheable: false,
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async handler(request: RPCRequest): Promise<RPCResponse | null> {
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return await statFile(request.data?.hash, request.data?.path);
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},
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api.swarm.join(api.util.crypto.createHash(PROTOCOL));
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const proxy = new Proxy({
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swarm: api.swarm,
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protocol: PROTOCOL,
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});
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api.registerMethod("stat_ipns", {
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cacheable: false,
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async handler(request: RPCRequest): Promise<RPCResponse | null> {
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let ipfsPath = await resolveIpns(
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request.data?.hash,
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request.data?.path
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);
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if (!ipfsPath) {
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throw new Error("ipns lookup failed");
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}
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return statFile(undefined, undefined, ipfsPath as string);
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},
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});
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api.registerMethod("fetch_ipfs", {
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cacheable: false,
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async handler(
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request: RPCRequest,
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sendStream: (stream: AsyncIterable<Uint8Array>) => void
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): Promise<RPCResponse | null> {
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const ret = await fetchFile(request.data?.hash, request.data?.path);
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if (ret instanceof Error) {
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throw ret;
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}
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sendStream(ret);
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return null;
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},
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});
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api.registerMethod("fetch_ipns", {
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cacheable: false,
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async handler(
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request: RPCRequest,
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sendStream: (stream: AsyncIterable<Uint8Array>) => void
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): Promise<RPCResponse | null> {
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let ipfsPath = await resolveIpns(
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request.data?.hash,
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request.data?.path
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);
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if (!ipfsPath) {
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throw new Error("ipns lookup failed");
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}
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const ret = await fetchFile(undefined, undefined, ipfsPath as string);
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if (ret instanceof Error) {
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throw ret;
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}
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sendStream(ret);
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return null;
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},
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api.protocols.register(PROTOCOL, (peer: any, muxer: any) => {
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proxy.handlePeer({
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peer,
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muxer,
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createDefaultMessage: false,
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onchannel(peer: Peer, channel: any) {
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PeerManager.instance(api).handleNewPeerChannel(peer, channel);
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},
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onclose(peer: Peer) {
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PeerManager.instance(api).handleClosePeer(peer);
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},
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});
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});
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},
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};
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@ -0,0 +1,250 @@
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import { PluginAPI } from "@lumeweb/relay-types";
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import { Peer, Socket } from "@lumeweb/libhyperproxy";
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import net from "net";
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// @ts-ignore
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import { fixed32, json, raw, uint } from "compact-encoding";
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import b4a from "b4a";
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import {
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CloseSocketRequest,
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ErrorSocketRequest,
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PeerEntity,
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PeerInfoResult,
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SocketRequest,
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WriteSocketRequest,
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} from "./types";
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import { TCPSocket } from "./socket";
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import { serializeError } from "serialize-error";
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const socketEncoding = {
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preencode(state: any, m: SocketRequest) {
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uint.preencode(state, m.id);
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uint.preencode(state, m.remoteId);
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},
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encode(state: any, m: SocketRequest) {
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uint.encode(state, m.id);
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uint.encode(state, m.remoteId);
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},
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decode(state: any, m: any): SocketRequest {
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return {
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remoteId: uint.decode(state, m),
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id: uint.decode(state, m),
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};
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},
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};
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const writeSocketEncoding = {
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preencode(state: any, m: WriteSocketRequest) {
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socketEncoding.preencode(state, m);
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raw.preencode(state, m.data);
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},
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encode(state: any, m: WriteSocketRequest) {
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socketEncoding.encode(state, m);
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raw.encode(state, m.data);
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},
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decode(state: any, m: any): WriteSocketRequest {
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const socket = socketEncoding.decode(state, m);
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return {
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...socket,
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data: raw.decode(state, m),
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};
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},
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};
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const errorSocketEncoding = {
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preencode(state: any, m: ErrorSocketRequest) {
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socketEncoding.preencode(state, m);
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json.preencode(state, serializeError(m.err));
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},
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encode(state: any, m: ErrorSocketRequest) {
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socketEncoding.encode(state, m);
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json.encode(state, serializeError(m.err));
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},
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};
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function idFactory(start: number, step = 1, limit = 2 ** 32) {
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let id = start;
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return function nextId() {
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const nextId = id;
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id += step;
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if (id >= limit) id = start;
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return nextId;
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};
|
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}
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const nextSocketId = idFactory(1);
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export default class PeerManager {
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private static _instance: PeerManager;
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private _api: PluginAPI;
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private _peers: Map<string, PeerEntity> = new Map<string, PeerEntity>();
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|
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constructor(api: PluginAPI) {
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this._api = api;
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}
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private _sockets = new Map<number, TCPSocket>();
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get sockets(): Map<number, TCPSocket> {
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return this._sockets;
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}
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||||
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private _socketMap = new Map<number, number>();
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get socketMap(): Map<number, number> {
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return this._socketMap;
|
||||
}
|
||||
|
||||
public static instance(api?: PluginAPI): PeerManager {
|
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if (!PeerManager._instance) {
|
||||
if (!api) {
|
||||
throw new Error("api argument required");
|
||||
}
|
||||
PeerManager._instance = new PeerManager(api as PluginAPI);
|
||||
}
|
||||
|
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return PeerManager._instance;
|
||||
}
|
||||
|
||||
handleNewPeerChannel(peer: Peer, channel: any) {
|
||||
this._registerOpenSocketMessage(peer, channel);
|
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this._registerWriteSocketMessage(peer, channel);
|
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this._registerCloseSocketMessage(peer, channel);
|
||||
this._registerTimeoutSocketMessage(peer, channel);
|
||||
this._registerErrorSocketMessage(peer, channel);
|
||||
}
|
||||
|
||||
public get(pubkey: Uint8Array): PeerEntity | undefined {
|
||||
if (this._peers.has(this._toString(pubkey))) {
|
||||
return this._peers.get(this._toString(pubkey)) as PeerEntity;
|
||||
}
|
||||
|
||||
return undefined;
|
||||
}
|
||||
|
||||
public update(pubkey: Uint8Array, data: Partial<PeerEntity>): void {
|
||||
const peer = this.get(pubkey) ?? ({} as PeerEntity);
|
||||
|
||||
this._peers.set(this._toString(pubkey), {
|
||||
...peer,
|
||||
...data,
|
||||
...{
|
||||
messages: {
|
||||
...peer?.messages,
|
||||
...data?.messages,
|
||||
},
|
||||
},
|
||||
} as PeerEntity);
|
||||
}
|
||||
async handleClosePeer(peer: Peer) {
|
||||
for (const item of this._sockets) {
|
||||
if (item[1].peer.peer === peer) {
|
||||
item[1].end();
|
||||
}
|
||||
}
|
||||
|
||||
const pubkey = this._toString(peer.socket.remotePublicKey);
|
||||
|
||||
if (this._peers.has(pubkey)) {
|
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this._peers.delete(pubkey);
|
||||
}
|
||||
}
|
||||
/*
|
||||
|
||||
private _registerKeyExchangeMessage(peer: Peer, channel: any) {
|
||||
const self = this;
|
||||
const message = channel.addMessage({
|
||||
encoding: {
|
||||
preencode(state: any, m: PeerInfoResult) {
|
||||
fixed32.preencode(state, m.publicKey);
|
||||
raw.preencode(state, m.libp2pPublicKey);
|
||||
},
|
||||
encode(state: any, m: PeerInfoResult) {
|
||||
fixed32.encode(state, m.publicKey);
|
||||
raw.encode(state, m.libp2pPublicKey);
|
||||
},
|
||||
decode(state: any, m: any): Uint8Array {
|
||||
return fixed32.decode(state, m);
|
||||
},
|
||||
},
|
||||
onmessage: async (pubkey: Uint8Array) => {
|
||||
this.get(peer.socket.remotePublicKey)?.messages.keyExchange?.send({
|
||||
publicKey: pubkey,
|
||||
libp2pPublicKey: (await getIpfsPeerId(self._api)).toBytes(),
|
||||
});
|
||||
},
|
||||
});
|
||||
this.update(peer.socket.remotePublicKey, {
|
||||
messages: { keyExchange: message },
|
||||
});
|
||||
}
|
||||
*/
|
||||
|
||||
private _registerOpenSocketMessage(peer: Peer, channel: any) {
|
||||
const self = this;
|
||||
const message = channel.addMessage({
|
||||
encoding: {
|
||||
...socketEncoding,
|
||||
decode: json.decode,
|
||||
},
|
||||
async onmessage(m: any) {
|
||||
// @ts-ignore
|
||||
new TCPSocket(
|
||||
nextSocketId(),
|
||||
m.id,
|
||||
self,
|
||||
self.get(peer.socket.remotePublicKey) as PeerEntity,
|
||||
m
|
||||
).connect();
|
||||
},
|
||||
});
|
||||
this.update(peer.socket.remotePublicKey, {
|
||||
messages: { openSocket: message },
|
||||
});
|
||||
}
|
||||
|
||||
private _registerWriteSocketMessage(peer: Peer, channel: any) {
|
||||
const self = this;
|
||||
const message = channel.addMessage({
|
||||
encoding: writeSocketEncoding,
|
||||
onmessage(m: WriteSocketRequest) {
|
||||
self._sockets.get(m.id)?.push(m.data);
|
||||
},
|
||||
});
|
||||
this.update(peer.socket.remotePublicKey, {
|
||||
messages: { writeSocket: message },
|
||||
});
|
||||
}
|
||||
private _registerCloseSocketMessage(peer: Peer, channel: any) {
|
||||
const self = this;
|
||||
const message = channel.addMessage({
|
||||
encoding: socketEncoding,
|
||||
async onmessage(m: CloseSocketRequest) {
|
||||
self._sockets.get(m.id)?.end();
|
||||
},
|
||||
});
|
||||
this.update(peer.socket.remotePublicKey, {
|
||||
messages: { closeSocket: message },
|
||||
});
|
||||
}
|
||||
private _registerTimeoutSocketMessage(peer: Peer, channel: any) {
|
||||
const message = channel.addMessage({
|
||||
encoding: socketEncoding,
|
||||
});
|
||||
this.update(peer.socket.remotePublicKey, {
|
||||
messages: { timeoutSocket: message },
|
||||
});
|
||||
}
|
||||
private _registerErrorSocketMessage(peer: Peer, channel: any) {
|
||||
const message = channel.addMessage({
|
||||
encoding: errorSocketEncoding,
|
||||
});
|
||||
this.update(peer.socket.remotePublicKey, {
|
||||
messages: { errorSocket: message },
|
||||
});
|
||||
}
|
||||
|
||||
private _toString(pubkey: Uint8Array) {
|
||||
return b4a.from(pubkey).toString("hex");
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,101 @@
|
|||
import {
|
||||
Callback,
|
||||
Duplex,
|
||||
DuplexEvents,
|
||||
EventName,
|
||||
EventListener,
|
||||
} from "streamx";
|
||||
import net, { TcpSocketConnectOpts } from "net";
|
||||
import { PeerEntity, SocketRequest, WriteSocketRequest } from "./types";
|
||||
import PeerManager from "./peerManager";
|
||||
import { Socket } from "net";
|
||||
|
||||
export class TCPSocket extends Duplex {
|
||||
private _options;
|
||||
private _id: number;
|
||||
private _remoteId: number;
|
||||
private _manager: PeerManager;
|
||||
|
||||
private _socket?: Socket;
|
||||
|
||||
constructor(
|
||||
id: number,
|
||||
remoteId: number,
|
||||
manager: PeerManager,
|
||||
peer: PeerEntity,
|
||||
options: TcpSocketConnectOpts
|
||||
) {
|
||||
super();
|
||||
this._remoteId = remoteId;
|
||||
this._manager = manager;
|
||||
this._id = id;
|
||||
this._peer = peer;
|
||||
this._options = options;
|
||||
|
||||
this._manager.sockets.set(this._id, this);
|
||||
this._manager.socketMap.set(this._id, this._remoteId);
|
||||
console.log(options);
|
||||
}
|
||||
|
||||
private _peer;
|
||||
|
||||
get peer() {
|
||||
return this._peer;
|
||||
}
|
||||
|
||||
public _write(data: any, cb: any): void {
|
||||
this._peer.messages.writeSocket?.send({
|
||||
...this._getSocketRequest(),
|
||||
data,
|
||||
} as WriteSocketRequest);
|
||||
cb();
|
||||
}
|
||||
|
||||
public _destroy(cb: Callback) {
|
||||
this._manager.sockets.delete(this._id);
|
||||
this._manager.socketMap.delete(this._id);
|
||||
this._peer.messages.closeSocket?.send(this._getSocketRequest());
|
||||
}
|
||||
|
||||
public connect() {
|
||||
["timeout", "error", "connect", "end", "destroy", "close"].forEach(
|
||||
(event) => {
|
||||
this._socket?.on(event, (...args: any) =>
|
||||
this.emit(event as any, ...args)
|
||||
);
|
||||
}
|
||||
);
|
||||
|
||||
this.on("error", (err: Error) => {
|
||||
this._peer.messages.errorSocket?.send({
|
||||
...this._getSocketRequest(),
|
||||
err,
|
||||
});
|
||||
});
|
||||
|
||||
// @ts-ignore
|
||||
this.on("timeout", () => {
|
||||
this._peer.messages.timeoutSocket?.send(this._getSocketRequest());
|
||||
});
|
||||
// @ts-ignore
|
||||
this.on("connect", () => {
|
||||
this._peer.messages.openSocket?.send(this._getSocketRequest());
|
||||
});
|
||||
|
||||
if (![4001, 4002].includes(this._options.port)) {
|
||||
this.emit("error", new Error(`port ${this._options.port} not allowed`));
|
||||
return;
|
||||
}
|
||||
|
||||
this._socket = net.connect(this._options);
|
||||
this._socket.pipe(this as any);
|
||||
this.pipe(this._socket);
|
||||
}
|
||||
|
||||
private _getSocketRequest(): SocketRequest {
|
||||
return {
|
||||
id: this._id,
|
||||
remoteId: this._remoteId,
|
||||
};
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,36 @@
|
|||
import { Peer } from "@lumeweb/libhyperproxy";
|
||||
|
||||
export interface PeerInfoResult {
|
||||
publicKey: Uint8Array;
|
||||
libp2pPublicKey: Uint8Array;
|
||||
}
|
||||
|
||||
export type Message = {
|
||||
send: (pubkey: Uint8Array | any) => void;
|
||||
};
|
||||
|
||||
export interface PeerEntityMessages {
|
||||
keyExchange: Message;
|
||||
openSocket: Message;
|
||||
writeSocket: Message;
|
||||
closeSocket: Message;
|
||||
timeoutSocket: Message;
|
||||
errorSocket: Message;
|
||||
}
|
||||
|
||||
export interface PeerEntity {
|
||||
messages: PeerEntityMessages | Partial<PeerEntityMessages>;
|
||||
peer: Peer;
|
||||
}
|
||||
export interface SocketRequest {
|
||||
remoteId: number;
|
||||
id: number;
|
||||
}
|
||||
export type CloseSocketRequest = SocketRequest;
|
||||
|
||||
export interface WriteSocketRequest extends SocketRequest {
|
||||
data: Uint8Array;
|
||||
}
|
||||
export interface ErrorSocketRequest extends SocketRequest {
|
||||
err: Error;
|
||||
}
|
||||
Loading…
Reference in New Issue