cal.pub0.org/apps/web/pages/api/logo.ts

107 lines
3.3 KiB
TypeScript

import fs from "fs";
import mime from "mime-types";
import type { NextApiRequest, NextApiResponse } from "next";
import path from "path";
import { z } from "zod";
import { LOGO, LOGO_ICON } from "@calcom/lib/constants";
import logger from "@calcom/lib/logger";
const log = logger.getChildLogger({ prefix: [`[api/logo]`] });
function removePort(url: string) {
return url.replace(/:\d+$/, "");
}
function extractSubdomainAndDomain(url: string): [string, string] | null {
try {
const parsedUrl = new URL(url);
const hostParts = parsedUrl.href.split(".");
if (hostParts.length > 2) {
const subdomain = hostParts.slice(0, hostParts.length - 2).join(".");
const domain = hostParts.slice(hostParts.length - 2).join(".");
return [subdomain, removePort(domain)];
} else if (hostParts.length === 2) {
const subdomain = "";
const domain = hostParts.join(".");
return [subdomain, removePort(domain)];
} else {
return null;
}
} catch (error) {
return null;
}
}
const logoApiSchema = z.object({
icon: z.coerce.boolean().optional(),
});
function handleDefaultLogo(
req: NextApiRequest,
res: NextApiResponse,
parsedQuery?: z.infer<typeof logoApiSchema>
) {
let fileNameParts = LOGO.split(".");
if (parsedQuery?.icon) {
fileNameParts = LOGO_ICON.split(".");
}
const { [fileNameParts.length - 1]: fileExtension } = fileNameParts;
const STATIC_PATH = path.join(process.cwd(), "public" + LOGO);
const imageBuffer = fs.readFileSync(STATIC_PATH);
const mimeType = mime.lookup(fileExtension);
if (mimeType) res.setHeader("Content-Type", mimeType);
res.setHeader("Cache-Control", "s-maxage=86400");
res.send(imageBuffer);
}
/**
* This API endpoint is used to serve the logo associated with a team if no logo is found we serve our default logo
*/
export default async function handler(req: NextApiRequest, res: NextApiResponse) {
try {
const { query } = req;
const parsedQuery = logoApiSchema.parse(query);
const hostname = req?.headers["host"];
if (!hostname) throw new Error("No hostname");
const domains = extractSubdomainAndDomain(hostname);
if (!domains) throw new Error("No domains");
const [subdomain, domain] = domains;
// Only supported on cal.com and cal.dev
if (!["cal.com", "cal.dev"].includes(domain)) return handleDefaultLogo(req, res, parsedQuery);
// Skip if no subdomain
if (!subdomain) throw new Error("No subdomain");
// Omit system subdomains
if (["console", "app", "www"].includes(subdomain)) return handleDefaultLogo(req, res, parsedQuery);
const { default: prisma } = await import("@calcom/prisma");
const team = await prisma.team.findUnique({
where: {
slug: subdomain,
},
select: {
appLogo: true,
appIconLogo: true,
},
});
const filteredLogo = parsedQuery?.icon ? team?.appIconLogo : team?.appLogo;
if (!filteredLogo) throw new Error("No team appLogo");
const response = await fetch(filteredLogo);
const arrayBuffer = await response.arrayBuffer();
const buffer = Buffer.from(arrayBuffer);
res.setHeader("Content-Type", response.headers.get("content-type") as string);
res.setHeader("Cache-Control", "s-maxage=86400");
res.send(buffer);
} catch (e) {
if (e instanceof Error) log.debug(e.message);
handleDefaultLogo(req, res);
}
}