chore: Migrate authentication to new tables (#1929)

This work provides a foundation for a more pluggable authentication system such as the one outlined in #1317.

closes #1317

server/utils/avatars.js

@@ -0,0 +1,32 @@
+// @flow
+import crypto from "crypto";
+import fetch from "isomorphic-fetch";
+
+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/${domain}`;
+    try {
+      cbResponse = await fetch(cbUrl);
+    } catch (err) {
+      // okay
+    }
+  }
+
+  const tileyUrl = `https://tiley.herokuapp.com/avatar/${hashedId}/${name[0]}.png`;
+  return cbUrl && cbResponse && cbResponse.status === 200 ? cbUrl : tileyUrl;
+}

server/utils/avatars.test.js

@@ -0,0 +1,41 @@
+// @flow
+import { generateAvatarUrl } from "./avatars";
+
+it("should return clearbit url if available", async () => {
+  const url = await generateAvatarUrl({
+    id: "google",
+    domain: "google.com",
+    name: "Google",
+  });
+  expect(url).toBe("https://logo.clearbit.com/google.com");
+});
+
+it("should return tiley url if clearbit unavailable", async () => {
+  const url = await generateAvatarUrl({
+    id: "invalid",
+    domain: "example.invalid",
+    name: "Invalid",
+  });
+  expect(url).toBe(
+    "https://tiley.herokuapp.com/avatar/f1234d75178d892a133a410355a5a990cf75d2f33eba25d575943d4df632f3a4/I.png"
+  );
+});
+
+it("should return tiley url if domain not provided", async () => {
+  const url = await generateAvatarUrl({
+    id: "google",
+    name: "Google",
+  });
+  expect(url).toBe(
+    "https://tiley.herokuapp.com/avatar/bbdefa2950f49882f295b1285d4fa9dec45fc4144bfb07ee6acc68762d12c2e3/G.png"
+  );
+});
+
+it("should return tiley url if name not provided", async () => {
+  const url = await generateAvatarUrl({
+    id: "google",
+  });
+  expect(url).toBe(
+    "https://tiley.herokuapp.com/avatar/bbdefa2950f49882f295b1285d4fa9dec45fc4144bfb07ee6acc68762d12c2e3/U.png"
+  );
+});

server/utils/startup.js

@@ -0,0 +1,21 @@
+// @flow
+import { Team, AuthenticationProvider } from "../models";
+
+export async function checkMigrations() {
+  if (process.env.DEPLOYMENT === "hosted") {
+    return;
+  }
+
+  const teams = await Team.count();
+  const providers = await AuthenticationProvider.count();
+
+  if (teams && !providers) {
+    console.error(`
+This version of Outline cannot start until a data migration is complete.
+Backup your database, run the database migrations and the following script:
+
+$ node ./build/server/scripts/20210226232041-migrate-authentication.js
+`);
+    process.exit(1);
+  }
+}