diff --git a/api/auth/auth-middleware.js b/api/auth/auth-middleware.js
index c603d37c7..1b8b5e022 100644
--- a/api/auth/auth-middleware.js
+++ b/api/auth/auth-middleware.js
@@ -1,4 +1,7 @@
-const { JWT_SECRET } = require("../secrets"); // use this secret!
+const jwt = require("jsonwebtoken");
+const { JWT_SECRET } = require("./../secrets"); // use this secret!
+const User = require("./../users/users-model");
+const yup = require("yup");
 
 const restricted = (req, res, next) => {
   /*
@@ -16,7 +19,25 @@ const restricted = (req, res, next) => {
 
     Put the decoded token in the req object, to make life easier for middlewares downstream!
   */
-}
+  const token = req.headers.authorization;
+  if (!token) {
+    return next({
+      status: 401,
+      message: "Token required"
+    });
+  }
+  jwt.verify(token, JWT_SECRET, (err, decoded) => {
+    if (err) {
+      return next({
+        status: 401,
+        message: "Token invalid"
+      });
+    }
+    req.decodedJwt = decoded;
+    next();
+  })
+};
+
 
 const only = role_name => (req, res, next) => {
   /*
@@ -29,10 +50,18 @@ const only = role_name => (req, res, next) => {
 
     Pull the decoded token from the req object, to avoid verifying it again!
   */
-}
+  if (req.decodedJwt.role_name !== role_name) {
+    next({
+      status: 403,
+      message: "This is not for you"
+    });
+  } else {
+    next();
+  }
+};
 
 
-const checkUsernameExists = (req, res, next) => {
+const checkUsernameExists = async (req, res, next) => {
   /*
     If the username in req.body does NOT exist in the database
     status 401
@@ -40,10 +69,20 @@ const checkUsernameExists = (req, res, next) => {
       "message": "Invalid credentials"
     }
   */
-}
+  const { username } = req.body;
+  const user = await User.findBy({ username });
+  if (!user) {
+    next({
+      status: 401,
+      message: "Invalid credentials"
+    });
+  } else {
+    next();
+  }
+};
 
 
-const validateRoleName = (req, res, next) => {
+const validateRoleName = async (req, res, next) => {
   /*
     If the role_name in the body is valid, set req.role_name to be the trimmed string and proceed.
 
@@ -62,11 +101,30 @@ const validateRoleName = (req, res, next) => {
       "message": "Role name can not be longer than 32 chars"
     }
   */
-}
+  const roleSchema = yup.object().shape({
+    role_name: yup
+      .string()
+      .trim()
+      .notOneOf(["admin"], "Role name can not be admin")
+      .max(32, "Role name can not be longer than 32 chars")
+      .default(() => { return "student" })
+  })
+  try {
+    const { role_name } = req.body;
+    const validatedRole = await roleSchema.validate({ role_name })
+    req.role_name = validatedRole.role_name;
+    next()
+  } catch (err) {
+    next({
+      status: 422,
+      message: err.errors[0]
+    })
+  }
+};
 
 module.exports = {
   restricted,
   checkUsernameExists,
   validateRoleName,
   only,
-}
+};
diff --git a/api/auth/auth-router.js b/api/auth/auth-router.js
index c723c2da8..c5823f33f 100644
--- a/api/auth/auth-router.js
+++ b/api/auth/auth-router.js
@@ -1,42 +1,85 @@
 const router = require("express").Router();
-const { checkUsernameExists, validateRoleName } = require('./auth-middleware');
-const { JWT_SECRET } = require("../secrets"); // use this secret!
-
-router.post("/register", validateRoleName, (req, res, next) => {
-  /**
-    [POST] /api/auth/register { "username": "anna", "password": "1234", "role_name": "angel" }
-
-    response:
-    status 201
-    {
-      "user"_id: 3,
-      "username": "anna",
-      "role_name": "angel"
-    }
-   */
-});
+const bcrypt = require("bcryptjs");
+const jwt = require("jsonwebtoken");
+const {
+  checkUsernameExists,
+  validateRoleName
+} = require('./auth-middleware');
+const User = require("./../users/users-model");
+const { BCRYPT_ROUNDS } = require("./../../config");
+const buildToken = require("./token-builder");
+
+router.post("/register",
+  validateRoleName,
+  async (req, res, next) => {
+    /**
+      [POST] /api/auth/register { "username": "anna", "password": "1234", "role_name": "angel" }
 
+      response:
+      status 201
+      {
+        "user"_id: 3,
+        "username": "anna",
+        "role_name": "angel"
+      }
+     */
+    try {
+      let user = req.body;
+      const hash = bcrypt.hashSync(user.password, BCRYPT_ROUNDS);
+      user.role_name = req.role_name;
+      user.password = hash;
 
-router.post("/login", checkUsernameExists, (req, res, next) => {
-  /**
-    [POST] /api/auth/login { "username": "sue", "password": "1234" }
+      const newUser = await User.add(user);
 
-    response:
-    status 200
-    {
-      "message": "sue is back!",
-      "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.ETC.ETC"
+      res.status(201).json(newUser);
+    } catch (err) {
+      next(err);
     }
+  }
+);
+
+
+router.post("/login",
+  checkUsernameExists,
+  async (req, res, next) => {
+    /**
+      [POST] /api/auth/login { "username": "sue", "password": "1234" }
+
+      response:
+      status 200
+      {
+        "message": "sue is back!",
+        "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.ETC.ETC"
+      }
 
-    The token must expire in one day, and must provide the following information
-    in its payload:
+      The token must expire in one day, and must provide the following information
+      in its payload:
 
-    {
-      "subject"  : 1       // the user_id of the authenticated user
-      "username" : "bob"   // the username of the authenticated user
-      "role_name": "admin" // the role of the authenticated user
+      {
+        "subject"  : 1       // the user_id of the authenticated user
+        "username" : "bob"   // the username of the authenticated user
+        "role_name": "admin" // the role of the authenticated user
+      }
+     */
+    try {
+      const credentials = req.body;
+      const user = await User.findBy({ username: credentials.username });
+      if (user[0] && bcrypt.compareSync(credentials.password, user[0].password)) {
+        const token = buildToken(user[0])
+        res.status(200).json({
+          message: `${credentials.username} is back!`,
+          token: token
+        });
+      } else {
+        next({
+          status: 401,
+          message: "Invalid credentials"
+        });
+      }
+    } catch (err) {
+      next(err);
     }
-   */
-});
+  }
+);
 
 module.exports = router;
diff --git a/api/auth/token-builder.js b/api/auth/token-builder.js
new file mode 100644
index 000000000..9fa7c4002
--- /dev/null
+++ b/api/auth/token-builder.js
@@ -0,0 +1,17 @@
+const jwt = require("jsonwebtoken")
+const { JWT_SECRET } = require("./../secrets")
+
+const buildToken = (user) => {
+  const payload = {
+    subject: user.user_id,
+    username: user.username,
+    role_name: user.role_name,
+  }
+  const options = {
+    expiresIn: "1d",
+  }
+  const signedToken = jwt.sign(payload, JWT_SECRET, options)
+  return signedToken;
+}
+
+module.exports = buildToken;
\ No newline at end of file
diff --git a/api/secrets/index.js b/api/secrets/index.js
index 1a125b81e..e6f0c6736 100644
--- a/api/secrets/index.js
+++ b/api/secrets/index.js
@@ -7,5 +7,5 @@
   developers cloning this repo won't be able to run the project as is.
  */
 module.exports = {
-
-}
+  JWT_SECRET: process.env.JWT_SECRET || "shh"
+};
diff --git a/api/users/users-model.js b/api/users/users-model.js
index 7a2064834..ed14c72eb 100644
--- a/api/users/users-model.js
+++ b/api/users/users-model.js
@@ -1,6 +1,6 @@
 const db = require('../../data/db-config.js');
 
-function find() {
+const find = async () => {
   /**
     You will need to join two tables.
     Resolves to an ARRAY with all users.
@@ -18,9 +18,16 @@ function find() {
       }
     ]
    */
+  const users = await db("users as u")
+    .leftJoin("roles as r",
+      "u.role_id", "r.role_id")
+    .select("u.user_id",
+      "u.username",
+      "r.role_name");
+  return users;
 }
 
-function findBy(filter) {
+const findBy = async (filter) => {
   /**
     You will need to join two tables.
     Resolves to an ARRAY with all users that match the filter condition.
@@ -34,9 +41,18 @@ function findBy(filter) {
       }
     ]
    */
+  const filteredUsers = await db("users as u")
+    .leftJoin("roles as r",
+      "u.role_id", "r.role_id")
+    .select("u.user_id",
+      "u.username",
+      "u.password",
+      "r.role_name")
+    .where(filter);
+  return filteredUsers;
 }
 
-function findById(user_id) {
+const findById = async (user_id) => {
   /**
     You will need to join two tables.
     Resolves to the user with the given user_id.
@@ -47,6 +63,15 @@ function findById(user_id) {
       "role_name": "instructor"
     }
    */
+  const user = await db("users as u")
+    .leftJoin("roles as r",
+      "u.role_id", "r.role_id")
+    .select("u.user_id",
+      "u.username",
+      "r.role_name")
+    .where({ user_id })
+    .first();
+  return user;
 }
 
 /**
@@ -67,21 +92,21 @@ function findById(user_id) {
     "role_name": "team lead"
   }
  */
-async function add({ username, password, role_name }) { // done for you
-  let created_user_id
+const add = async ({ username, password, role_name }) => { // done for you
+  let created_user_id;
   await db.transaction(async trx => {
-    let role_id_to_use
-    const [role] = await trx('roles').where('role_name', role_name)
+    let role_id_to_use;
+    const [role] = await trx('roles').where('role_name', role_name);
     if (role) {
-      role_id_to_use = role.role_id
+      role_id_to_use = role.role_id;
     } else {
-      const [role_id] = await trx('roles').insert({ role_name: role_name })
-      role_id_to_use = role_id
+      const [role_id] = await trx('roles').insert({ role_name: role_name });
+      role_id_to_use = role_id;
     }
-    const [user_id] = await trx('users').insert({ username, password, role_id: role_id_to_use })
-    created_user_id = user_id
-  })
-  return findById(created_user_id)
+    const [user_id] = await trx('users').insert({ username, password, role_id: role_id_to_use });
+    created_user_id = user_id;
+  });
+  return findById(created_user_id);
 }
 
 module.exports = {
diff --git a/config/index.js b/config/index.js
new file mode 100644
index 000000000..2670fb07a
--- /dev/null
+++ b/config/index.js
@@ -0,0 +1,4 @@
+module.exports = {
+  PORT: process.env.PORT || 9000,
+  BCRYPT_ROUNDS: process.env.BCRYPT_ROUNDS || 8
+};
diff --git a/data/auth.db3 b/data/auth.db3
index 568bc34c7..066d45e53 100644
Binary files a/data/auth.db3 and b/data/auth.db3 differ
diff --git a/index.js b/index.js
index 71f14885b..2cfe428e2 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,6 @@
-const server = require('./api/server.js');
+const { PORT } = require("./config");
 
-const PORT = process.env.PORT || 9000;
+const server = require('./api/server.js');
 
 server.listen(PORT, () => {
   console.log(`Listening on port ${PORT}...`);
diff --git a/package-lock.json b/package-lock.json
index 4c7839920..aa2c9e609 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,8 +12,10 @@
         "cors": "^2.8.5",
         "express": "^4.17.1",
         "helmet": "^4.6.0",
+        "jsonwebtoken": "^8.5.1",
         "knex": "^0.95.11",
-        "sqlite3": "^5.0.2"
+        "sqlite3": "^5.0.2",
+        "yup": "^0.32.11"
       },
       "devDependencies": {
         "@types/jest": "^27.0.2",
@@ -576,6 +578,17 @@
         "@babel/core": "^7.0.0-0"
       }
     },
+    "node_modules/@babel/runtime": {
+      "version": "7.16.3",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.16.3.tgz",
+      "integrity": "sha512-WBwekcqacdY2e9AF/Q7WLFUWmdJGJTkbjqTjoMDgXkVZ3ZRUvOPsLb5KdwISoQVsbP+DQzVZW4Zhci0DvpbNTQ==",
+      "dependencies": {
+        "regenerator-runtime": "^0.13.4"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
     "node_modules/@babel/template": {
       "version": "7.15.4",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.15.4.tgz",
@@ -1128,6 +1141,11 @@
         "pretty-format": "^27.0.0"
       }
     },
+    "node_modules/@types/lodash": {
+      "version": "4.14.176",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.176.tgz",
+      "integrity": "sha512-xZmuPTa3rlZoIbtDUyJKZQimJV3bxCmzMIO2c9Pz9afyDro6kr7R79GwcB6mRhuoPmV2p1Vb66WOJH7F886WKQ=="
+    },
     "node_modules/@types/node": {
       "version": "16.6.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-16.6.1.tgz",
@@ -1739,6 +1757,11 @@
         "node-int64": "^0.4.0"
       }
     },
+    "node_modules/buffer-equal-constant-time": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
+    },
     "node_modules/buffer-from": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
@@ -2396,6 +2419,14 @@
         "safer-buffer": "^2.1.0"
       }
     },
+    "node_modules/ecdsa-sig-formatter": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
+      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
+      "dependencies": {
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "node_modules/ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -4623,6 +4654,35 @@
         "node": ">=6"
       }
     },
+    "node_modules/jsonwebtoken": {
+      "version": "8.5.1",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-8.5.1.tgz",
+      "integrity": "sha512-XjwVfRS6jTMsqYs0EsuJ4LGxXV14zQybNd4L2r0UvbVnSF9Af8x7p5MzbJ90Ioz/9TI41/hTCvznF/loiSzn8w==",
+      "dependencies": {
+        "jws": "^3.2.2",
+        "lodash.includes": "^4.3.0",
+        "lodash.isboolean": "^3.0.3",
+        "lodash.isinteger": "^4.0.4",
+        "lodash.isnumber": "^3.0.3",
+        "lodash.isplainobject": "^4.0.6",
+        "lodash.isstring": "^4.0.1",
+        "lodash.once": "^4.0.0",
+        "ms": "^2.1.1",
+        "semver": "^5.6.0"
+      },
+      "engines": {
+        "node": ">=4",
+        "npm": ">=1.4.28"
+      }
+    },
+    "node_modules/jsonwebtoken/node_modules/semver": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+      "bin": {
+        "semver": "bin/semver"
+      }
+    },
     "node_modules/jsprim": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
@@ -4638,6 +4698,25 @@
         "verror": "1.10.0"
       }
     },
+    "node_modules/jwa": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
+      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
+      "dependencies": {
+        "buffer-equal-constant-time": "1.0.1",
+        "ecdsa-sig-formatter": "1.0.11",
+        "safe-buffer": "^5.0.1"
+      }
+    },
+    "node_modules/jws": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
+      "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
+      "dependencies": {
+        "jwa": "^1.4.1",
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "node_modules/jwt-decode": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/jwt-decode/-/jwt-decode-3.1.2.tgz",
@@ -4769,12 +4848,52 @@
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
       "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
+    "node_modules/lodash-es": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.17.21.tgz",
+      "integrity": "sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw=="
+    },
+    "node_modules/lodash.includes": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz",
+      "integrity": "sha1-YLuYqHy5I8aMoeUTJUgzFISfVT8="
+    },
+    "node_modules/lodash.isboolean": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz",
+      "integrity": "sha1-bC4XHbKiV82WgC/UOwGyDV9YcPY="
+    },
+    "node_modules/lodash.isinteger": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz",
+      "integrity": "sha1-YZwK89A/iwTDH1iChAt3sRzWg0M="
+    },
+    "node_modules/lodash.isnumber": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz",
+      "integrity": "sha1-POdoEMWSjQM1IwGsKHMX8RwLH/w="
+    },
+    "node_modules/lodash.isplainobject": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
+      "integrity": "sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs="
+    },
+    "node_modules/lodash.isstring": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz",
+      "integrity": "sha1-1SfftUVuynzJu5XV2ur4i6VKVFE="
+    },
     "node_modules/lodash.merge": {
       "version": "4.6.2",
       "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.2.tgz",
       "integrity": "sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==",
       "dev": true
     },
+    "node_modules/lodash.once": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
+      "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
+    },
     "node_modules/lowercase-keys": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.1.tgz",
@@ -4971,6 +5090,11 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
+    "node_modules/nanoclone": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/nanoclone/-/nanoclone-0.2.1.tgz",
+      "integrity": "sha512-wynEP02LmIbLpcYw8uBKpcfF6dmg2vcpKqxeH5UcoKEYdExslsdUA4ugFauuaeYdTB76ez6gJW8XAZ6CgkXYxA=="
+    },
     "node_modules/natural-compare": {
       "version": "1.4.0",
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@@ -5703,6 +5827,11 @@
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@@ -5853,6 +5982,11 @@
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+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.9.tgz",
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@@ -6650,6 +6784,11 @@
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+      "resolved": "https://registry.npmjs.org/toposort/-/toposort-2.0.2.tgz",
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@@ -7239,6 +7378,23 @@
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+      "resolved": "https://registry.npmjs.org/yup/-/yup-0.32.11.tgz",
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+        "lodash": "^4.17.21",
+        "lodash-es": "^4.17.21",
+        "nanoclone": "^0.2.1",
+        "property-expr": "^2.0.4",
+        "toposort": "^2.0.2"
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@@ -7656,6 +7812,14 @@
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+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.16.3.tgz",
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+      "requires": {
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+      }
+    },
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       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.15.4.tgz",
@@ -8123,6 +8287,11 @@
         "pretty-format": "^27.0.0"
       }
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+    "@types/lodash": {
+      "version": "4.14.176",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.176.tgz",
+      "integrity": "sha512-xZmuPTa3rlZoIbtDUyJKZQimJV3bxCmzMIO2c9Pz9afyDro6kr7R79GwcB6mRhuoPmV2p1Vb66WOJH7F886WKQ=="
+    },
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       "version": "16.6.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-16.6.1.tgz",
@@ -8613,6 +8782,11 @@
         "node-int64": "^0.4.0"
       }
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+    "buffer-equal-constant-time": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
+    },
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       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
@@ -9122,6 +9296,14 @@
         "safer-buffer": "^2.1.0"
       }
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+    "ecdsa-sig-formatter": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
+      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
+      "requires": {
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "ee-first": {
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       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -10849,6 +11031,30 @@
         "minimist": "^1.2.5"
       }
     },
+    "jsonwebtoken": {
+      "version": "8.5.1",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-8.5.1.tgz",
+      "integrity": "sha512-XjwVfRS6jTMsqYs0EsuJ4LGxXV14zQybNd4L2r0UvbVnSF9Af8x7p5MzbJ90Ioz/9TI41/hTCvznF/loiSzn8w==",
+      "requires": {
+        "jws": "^3.2.2",
+        "lodash.includes": "^4.3.0",
+        "lodash.isboolean": "^3.0.3",
+        "lodash.isinteger": "^4.0.4",
+        "lodash.isnumber": "^3.0.3",
+        "lodash.isplainobject": "^4.0.6",
+        "lodash.isstring": "^4.0.1",
+        "lodash.once": "^4.0.0",
+        "ms": "^2.1.1",
+        "semver": "^5.6.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
+        }
+      }
+    },
     "jsprim": {
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       "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
@@ -10861,6 +11067,25 @@
         "verror": "1.10.0"
       }
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+    "jwa": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
+      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
+      "requires": {
+        "buffer-equal-constant-time": "1.0.1",
+        "ecdsa-sig-formatter": "1.0.11",
+        "safe-buffer": "^5.0.1"
+      }
+    },
+    "jws": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
+      "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
+      "requires": {
+        "jwa": "^1.4.1",
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "jwt-decode": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/jwt-decode/-/jwt-decode-3.1.2.tgz",
@@ -10953,12 +11178,52 @@
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     },
+    "lodash-es": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.17.21.tgz",
+      "integrity": "sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw=="
+    },
+    "lodash.includes": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz",
+      "integrity": "sha1-YLuYqHy5I8aMoeUTJUgzFISfVT8="
+    },
+    "lodash.isboolean": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz",
+      "integrity": "sha1-bC4XHbKiV82WgC/UOwGyDV9YcPY="
+    },
+    "lodash.isinteger": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz",
+      "integrity": "sha1-YZwK89A/iwTDH1iChAt3sRzWg0M="
+    },
+    "lodash.isnumber": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz",
+      "integrity": "sha1-POdoEMWSjQM1IwGsKHMX8RwLH/w="
+    },
+    "lodash.isplainobject": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
+      "integrity": "sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs="
+    },
+    "lodash.isstring": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz",
+      "integrity": "sha1-1SfftUVuynzJu5XV2ur4i6VKVFE="
+    },
     "lodash.merge": {
       "version": "4.6.2",
       "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.2.tgz",
       "integrity": "sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==",
       "dev": true
     },
+    "lodash.once": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
+      "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
+    },
     "lowercase-keys": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.1.tgz",
@@ -11111,6 +11376,11 @@
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     },
+    "nanoclone": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/nanoclone/-/nanoclone-0.2.1.tgz",
+      "integrity": "sha512-wynEP02LmIbLpcYw8uBKpcfF6dmg2vcpKqxeH5UcoKEYdExslsdUA4ugFauuaeYdTB76ez6gJW8XAZ6CgkXYxA=="
+    },
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
@@ -11667,6 +11937,11 @@
         "sisteransi": "^1.0.5"
       }
     },
+    "property-expr": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/property-expr/-/property-expr-2.0.4.tgz",
+      "integrity": "sha512-sFPkHQjVKheDNnPvotjQmm3KD3uk1fWKUN7CrpdbwmUx3CrG3QiM8QpTSimvig5vTXmTvjz7+TDvXOI9+4rkcg=="
+    },
     "proxy-addr": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
@@ -11789,6 +12064,11 @@
         "resolve": "^1.9.0"
       }
     },
+    "regenerator-runtime": {
+      "version": "0.13.9",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.9.tgz",
+      "integrity": "sha512-p3VT+cOEgxFsRRA9X4lkI1E+k2/CtnKtU4gcxyaCUreilL/vqI6CdZ3wxVUx3UOUg+gnUOQQcRI7BmSI656MYA=="
+    },
     "regexpp": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-3.2.0.tgz",
@@ -12403,6 +12683,11 @@
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     },
+    "toposort": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/toposort/-/toposort-2.0.2.tgz",
+      "integrity": "sha1-riF2gXXRVZ1IvvNUILL0li8JwzA="
+    },
     "touch": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.0.tgz",
@@ -12867,6 +13152,20 @@
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       "dev": true
+    },
+    "yup": {
+      "version": "0.32.11",
+      "resolved": "https://registry.npmjs.org/yup/-/yup-0.32.11.tgz",
+      "integrity": "sha512-Z2Fe1bn+eLstG8DRR6FTavGD+MeAwyfmouhHsIUgaADz8jvFKbO/fXc2trJKZg+5EBjh4gGm3iU/t3onKlXHIg==",
+      "requires": {
+        "@babel/runtime": "^7.15.4",
+        "@types/lodash": "^4.14.175",
+        "lodash": "^4.17.21",
+        "lodash-es": "^4.17.21",
+        "nanoclone": "^0.2.1",
+        "property-expr": "^2.0.4",
+        "toposort": "^2.0.2"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 2252417b8..22a52b8cc 100644
--- a/package.json
+++ b/package.json
@@ -23,8 +23,10 @@
     "cors": "^2.8.5",
     "express": "^4.17.1",
     "helmet": "^4.6.0",
+    "jsonwebtoken": "^8.5.1",
     "knex": "^0.95.11",
-    "sqlite3": "^5.0.2"
+    "sqlite3": "^5.0.2",
+    "yup": "^0.32.11"
   },
   "repository": {
     "type": "git",