cal.pub0.org/apps/web/pages/api/user/avatar.ts

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import crypto from "crypto";
import type { NextApiRequest, NextApiResponse } from "next";
import { CAL_URL, WEBAPP_URL } from "@calcom/lib/constants";
import { getPlaceholderAvatar } from "@calcom/lib/getPlaceholderAvatar";
import prisma from "@calcom/prisma";
import { defaultAvatarSrc } from "@lib/profile";
export default async function handler(req: NextApiRequest, res: NextApiResponse) {
// const username = req.url?.substring(1, req.url.lastIndexOf("/"));
const username = req.query.username as string;
const teamname = req.query.teamname as string;
let identity;
let linksToThisRoute = false;
if (username) {
const user = await prisma.user.findUnique({
where: {
username: username,
},
select: {
avatar: true,
email: true,
},
});
identity = {
name: username,
email: user?.email,
avatar: user?.avatar,
};
linksToThisRoute =
identity.avatar === `${CAL_URL}/${username}/avatar.png` ||
identity.avatar === `${WEBAPP_URL}/${username}/avatar.png`;
} else if (teamname) {
const team = await prisma.team.findUnique({
where: {
slug: teamname,
},
select: {
logo: true,
},
});
identity = {
name: teamname,
shouldDefaultBeNameBased: true,
avatar: team?.logo,
};
linksToThisRoute =
identity.avatar === `${CAL_URL}/team/${teamname}/avatar.png` ||
identity.avatar === `${WEBAPP_URL}/team/${teamname}/avatar.png`;
}
const emailMd5 = crypto
.createHash("md5")
.update((identity?.email as string) || "guest@example.com")
.digest("hex");
const img = identity?.avatar;
// If image isn't set or links to this route itself, use default avatar
if (!img || linksToThisRoute) {
let defaultSrc = defaultAvatarSrc({ md5: emailMd5 });
if (identity?.shouldDefaultBeNameBased) {
defaultSrc = getPlaceholderAvatar(null, identity.name);
}
res.writeHead(302, {
Location: defaultSrc,
});
res.end();
} else if (!img.includes("data:image")) {
res.writeHead(302, {
Location: img,
});
res.end();
} else {
const decoded = img
.toString()
.replace("data:image/png;base64,", "")
.replace("data:image/jpeg;base64,", "");
const imageResp = Buffer.from(decoded, "base64");
res.writeHead(200, {
"Content-Type": "image/png",
"Content-Length": imageResp.length,
});
res.end(imageResp);
}
}