add #getVersion (89656de4) · Commits · sc07 / fedi-testkit

package.json

+1 −1

Original line number	Diff line number	Diff line
		{
		"name": "@sc07/fedi-testkit",
		"version": "1.0.2",
		"version": "1.0.3",
		"exports": {
		".": {
		"default": "./dist/index.js",

src/index.ts

+87 −0

Original line number	Diff line number	Diff line
		@@ -13,6 +13,7 @@ export type Software = {

		export class FediTestKit {
		private readonly api: ServiceAPI<any>;
		private _version: string \| null \| undefined;

		private constructor(private readonly software: Software) {
		this.api = new API[software.type](software);
		@@ -26,6 +27,92 @@ export class FediTestKit {
		return instance;
		}

		/**
		* Get version of the software specified by querying the NodeInfo
		*
		* The return value is cached
		*/
		async getVersion() {
		if (typeof this._version !== "undefined") return this._version;

		const getRealNodeInfo = async () => {
		const req = await fetch(
		new URL("/.well-known/nodeinfo", this.software.host)
		);
		if (!req.ok)
		throw new Error("HTTP " + req.status + " - " + req.statusText);

		const data = await req.json();

		if (!("links" in data)) throw new Error("Missing links property");
		if (!Array.isArray(data.links)) throw new Error("links property invalid");

		const findVersion = (ver: string) =>
		(data.links as any[]).find(
		(l: any): l is { href: string } =>
		"rel" in l &&
		l.rel === ver &&
		"href" in l &&
		typeof l.href === "string"
		);

		const nodeinfos = {
		"2.0": findVersion("http://nodeinfo.diaspora.software/ns/schema/2.0")
		?.href,
		"2.1": findVersion("http://nodeinfo.diaspora.software/ns/schema/2.1")
		?.href,
		};

		return nodeinfos["2.1"] \|\| nodeinfos["2.0"] \|\| null;
		};

		const getNodeInfoVersion = async (url: string) => {
		const req = await fetch(url);
		if (!req.ok)
		throw new Error("HTTP " + req.status + " - " + req.statusText);

		const data = await req.json();

		return (
		(typeof data === "object" &&
		"software" in data &&
		typeof data.software === "object" &&
		"version" in data.software &&
		typeof data.software.version === "string" &&
		(data.software.version as string)) \|\|
		null
		);
		};

		let realNodeInfoURL: string \| null;

		try {
		realNodeInfoURL = await getRealNodeInfo();
		} catch (e) {
		this._version = null;
		console.error(e);
		throw new Error("Failed to load real nodeinfo");
		}

		if (!realNodeInfoURL) {
		this._version = null;
		return null;
		}

		let nodeinfoVersion: string \| null;

		try {
		nodeinfoVersion = await getNodeInfoVersion(realNodeInfoURL);
		} catch (e) {
		this._version = null;
		console.error(e);
		throw new Error("Failed to load nodeinfo content");
		}

		this._version = nodeinfoVersion;
		return this._version;
		}

		async setup() {
		await this.api.startCollect();
		}