feat: Move to passport for authentication (#1934)

- Added `accountProvisioner`
- Move authentication to use passport strategies
- Make authentication more pluggable
- Change language of services -> providers

closes #1120

server/models/User.js

@@ -8,11 +8,10 @@ import { languages } from "../../shared/i18n";
 import { ValidationError } from "../errors";
 import { sendEmail } from "../mailer";
 import { DataTypes, sequelize, encryptedFields } from "../sequelize";
+import { DEFAULT_AVATAR_HOST } from "../utils/avatars";
 import { publicS3Endpoint, uploadToS3FromUrl } from "../utils/s3";
 import { Star, Team, Collection, NotificationSetting, ApiKey } from ".";
 
-const DEFAULT_AVATAR_HOST = "https://tiley.herokuapp.com";
-
 const User = sequelize.define(
   "user",
   {
@@ -28,7 +27,6 @@ const User = sequelize.define(
     isAdmin: DataTypes.BOOLEAN,
     service: { type: DataTypes.STRING, allowNull: true },
     serviceId: { type: DataTypes.STRING, allowNull: true, unique: true },
-    slackData: DataTypes.JSONB,
     jwtSecret: encryptedFields().vault("jwtSecret"),
     lastActiveAt: DataTypes.DATE,
     lastActiveIp: { type: DataTypes.STRING, allowNull: true },
@@ -210,7 +208,6 @@ const removeIdentifyingInfo = async (model, options) => {
   model.avatarUrl = "";
   model.serviceId = null;
   model.username = null;
-  model.slackData = null;
   model.lastActiveIp = null;
   model.lastSignedInIp = null;