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outline/server/utils/avatars.js

35 lines
861 B
JavaScript

// @flow
import crypto from "crypto";
import fetch from "isomorphic-fetch";
export const DEFAULT_AVATAR_HOST = "https://tiley.herokuapp.com";
export async function generateAvatarUrl({
id,
domain,
name = "Unknown",
}: {
id: string,
domain?: string,
name?: string,
}) {
// attempt to get logo from Clearbit API. If one doesn't exist then
// fall back to using tiley to generate a placeholder logo
const hash = crypto.createHash("sha256");
hash.update(id);
const hashedId = hash.digest("hex");
let cbResponse, cbUrl;
if (domain) {
cbUrl = `https://logo.clearbit.com/${domain}`;
try {
cbResponse = await fetch(cbUrl);
} catch (err) {
// okay
}
}
const tileyUrl = `${DEFAULT_AVATAR_HOST}/avatar/${hashedId}/${name[0]}.png`;
return cbUrl && cbResponse && cbResponse.status === 200 ? cbUrl : tileyUrl;
}