From e24d8889fcdf43cc0eae74e2f6be11020fc42458 Mon Sep 17 00:00:00 2001
From: Syed Ali Shahbaz <52925846+alishaz-polymath@users.noreply.github.com>
Date: Tue, 11 Jan 2022 14:24:02 +0530
Subject: [PATCH] Cal 710 turn dataimagejpegbase64 avatar into (#1429)

* --wip

* added next-config custom header path

* added avatar endpoint

* cleanup --wip

* adding gravatar fallback support --wip

* added endpoint rewrite and avatar access

* gravatar support added

* build err fix

* updated HeadSEO with new avatar logic

* --wip

* adds og compat

* added truncated bio

* cleanup

* changed truncate of body from 24 chars to 32 chars

* removed unused, commented code

* removed trailing whitespace

* requested changes

Co-authored-by: Peer Richelsen <peeroke@gmail.com>
---
 components/seo/head-seo.tsx | 35 +++++++++++++++++++++----------
 next.config.js              |  8 +++++++
 pages/[user].tsx            |  5 +++--
 pages/api/user/avatar.ts    | 42 +++++++++++++++++++++++++++++++++++++
 pages/settings/profile.tsx  |  1 -
 5 files changed, 77 insertions(+), 14 deletions(-)
 create mode 100644 pages/api/user/avatar.ts

diff --git a/components/seo/head-seo.tsx b/components/seo/head-seo.tsx
index 41354e47..8dcbfcb3 100644
--- a/components/seo/head-seo.tsx
+++ b/components/seo/head-seo.tsx
@@ -10,8 +10,8 @@ export type HeadSeoProps = {
   description: string;
   siteName?: string;
   name?: string;
-  avatar?: string;
   url?: string;
+  username?: string;
   canonical?: string;
   nextSeoProps?: NextSeoProps;
 };
@@ -39,9 +39,6 @@ const buildSeoMeta = (pageProps: {
       images: [
         {
           url: image,
-          //width: 1077,
-          //height: 565,
-          //alt: "Alt image"
         },
       ],
     },
@@ -66,11 +63,14 @@ const buildSeoMeta = (pageProps: {
   };
 };
 
-const constructImage = (name: string, avatar: string, description: string): string => {
+const constructImage = (name: string, description: string, username: string): string => {
   return (
     encodeURIComponent("Meet **" + name + "** <br>" + description).replace(/'/g, "%27") +
     ".png?md=1&images=https%3A%2F%2Fcal.com%2Flogo-white.svg&images=" +
-    encodeURIComponent(avatar)
+    (process.env.NEXT_PUBLIC_APP_URL || process.env.BASE_URL) +
+    "/" +
+    username +
+    "/avatar.png"
   );
 };
 
@@ -82,18 +82,31 @@ export const HeadSeo: React.FC<HeadSeoProps & { children?: never }> = (props) =>
     title,
     description,
     name = null,
-    avatar = null,
+    username = null,
     siteName,
     canonical = defaultUrl,
     nextSeoProps = {},
   } = props;
 
+  const truncatedDescription = description.length > 32 ? description.substring(0, 31) + "..." : description;
   const pageTitle = title + " | Cal.com";
-  let seoObject = buildSeoMeta({ title: pageTitle, image, description, canonical, siteName });
+  let seoObject = buildSeoMeta({
+    title: pageTitle,
+    image,
+    description: truncatedDescription,
+    canonical,
+    siteName,
+  });
 
-  if (name && avatar) {
-    const pageImage = getSeoImage("ogImage") + constructImage(name, avatar, description);
-    seoObject = buildSeoMeta({ title: pageTitle, description, image: pageImage, canonical, siteName });
+  if (name && username) {
+    const pageImage = getSeoImage("ogImage") + constructImage(name, truncatedDescription, username);
+    seoObject = buildSeoMeta({
+      title: pageTitle,
+      description: truncatedDescription,
+      image: pageImage,
+      canonical,
+      siteName,
+    });
   }
 
   const seoProps: NextSeoProps = merge(nextSeoProps, seoObject);
diff --git a/next.config.js b/next.config.js
index e74df98e..762e55bb 100644
--- a/next.config.js
+++ b/next.config.js
@@ -72,6 +72,14 @@ module.exports = () => plugins.reduce((acc, next) => next(acc), {
 
     return config;
   },
+  async rewrites() {
+    return [
+      {
+        source: "/:user/avatar.png",
+        destination: "/api/user/avatar?username=:user",
+      },
+    ]
+  },
   async redirects() {
     return [
       {
diff --git a/pages/[user].tsx b/pages/[user].tsx
index 8d42c8f5..4dd7f396 100644
--- a/pages/[user].tsx
+++ b/pages/[user].tsx
@@ -29,9 +29,10 @@ export default function User(props: inferSSRProps<typeof getServerSideProps>) {
     <>
       <HeadSeo
         title={nameOrUsername}
-        description={nameOrUsername}
+        description={(user.bio as string) || ""}
         name={nameOrUsername}
-        avatar={user.avatar || undefined}
+        username={(user.username as string) || ""}
+        // avatar={user.avatar || undefined}
       />
       {isReady && (
         <div className="h-screen bg-neutral-50 dark:bg-black">
diff --git a/pages/api/user/avatar.ts b/pages/api/user/avatar.ts
new file mode 100644
index 00000000..550723fc
--- /dev/null
+++ b/pages/api/user/avatar.ts
@@ -0,0 +1,42 @@
+import crypto from "crypto";
+import type { NextApiRequest, NextApiResponse } from "next";
+
+import prisma from "@lib/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 user = await prisma.user.findUnique({
+    where: {
+      username: username,
+    },
+    select: {
+      avatar: true,
+      email: true,
+    },
+  });
+
+  const emailMd5 = crypto
+    .createHash("md5")
+    .update(user?.email as string)
+    .digest("hex");
+  const img = user?.avatar;
+  if (img) {
+    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);
+  } else {
+    res.writeHead(302, {
+      Location: defaultAvatarSrc({ md5: emailMd5 }),
+    });
+    res.end();
+  }
+}
diff --git a/pages/settings/profile.tsx b/pages/settings/profile.tsx
index 767cf01a..54e0f3c4 100644
--- a/pages/settings/profile.tsx
+++ b/pages/settings/profile.tsx
@@ -220,7 +220,6 @@ function SettingsView(props: ComponentProps<typeof Settings> & { localeProp: str
                 />
               </div>
             </div>
-
             <div className="block sm:flex">
               <div className="w-full mb-6 sm:w-1/2 sm:mr-2">
                 <label htmlFor="email" className="block text-sm font-medium text-gray-700">