Implement authentication support for Unleash UI.

Closes: #261, #233, #232, #231

docs/securing-unleash.md

@@ -0,0 +1,3 @@
+# Securing Unleash
+
+TODO: write about how to secure `/api/client` and `/api/admin`

lib/app.js

@@ -11,6 +11,7 @@ const unleashSession = require('./middleware/session');
 const responseTime = require('./middleware/response-time');
 const requestLogger = require('./middleware/request-logger');
 const validator = require('./middleware/validator');
+const simpleAuthentication = require('./middleware/simple-authentication');
 
 module.exports = function(config) {
     const app = express();
@@ -38,6 +39,10 @@ module.exports = function(config) {
         app.use(baseUriPath, express.static(config.publicFolder));
     }
 
+    if (config.adminAuthentication === 'unsecure') {
+        simpleAuthentication(app);
+    }
+
     if (typeof config.preRouterHook === 'function') {
         config.preRouterHook(app);
     }

lib/authentication-required.js

@@ -0,0 +1,9 @@
+'use strict';
+
+module.exports = class AuthenticationRequired {
+    constructor({ type, path, message }) {
+        this.type = type;
+        this.path = path;
+        this.message = message;
+    }
+};

lib/extract-user.js

@@ -1,6 +1,7 @@
 'use strict';
 
 function extractUsername(req) {
-    return req.cookies.username || 'unknown';
+    return req.user ? req.user.email : 'unknown';
 }
+
 module.exports = extractUsername;

lib/middleware/simple-authentication.js

@@ -0,0 +1,48 @@
+'use strict';
+
+const User = require('../user');
+const AuthenticationRequired = require('../authentication-required');
+
+function unsecureAuthentication(app) {
+    app.post('/api/admin/login', (req, res) => {
+        const user = req.body;
+        req.session.user = new User({ email: user.email });
+        res
+            .status(200)
+            .json(req.session.user)
+            .end();
+    });
+
+    app.use('/api/admin/', (req, res, next) => {
+        if (req.session.user && req.session.user.email) {
+            req.user = req.session.user;
+        }
+        next();
+    });
+
+    app.use('/api/admin/', (req, res, next) => {
+        if (req.user) {
+            next();
+        } else {
+            return res
+                .status('401')
+                .json(
+                    new AuthenticationRequired({
+                        path: '/api/admin/login',
+                        type: 'unsecure',
+                        message:
+                            'You have to indetify yourself in order to use Unleash.',
+                    })
+                )
+                .end();
+        }
+    });
+
+    app.use((req, res, next) => {
+        // Updates active sessions every hour
+        req.session.nowInHours = Math.floor(Date.now() / 3600e3);
+        next();
+    });
+}
+
+module.exports = unsecureAuthentication;

lib/options.js

@@ -15,6 +15,7 @@ const DEFAULT_OPTIONS = {
     enableRequestLogger: isDev(),
     secret: 'UNLEASH-SECRET',
     sessionAge: THIRTY_DAYS,
+    adminAuthentication: 'unsecure',
 };
 
 module.exports = {

lib/routes/admin-api/index.js

@@ -7,6 +7,7 @@ const featureArchive = require('./archive.js');
 const events = require('./event.js');
 const strategies = require('./strategy');
 const metrics = require('./metrics');
+const user = require('./user');
 
 const apiDef = {
     version: 2,
@@ -31,6 +32,7 @@ exports.router = config => {
     router.use('/strategies', strategies.router(config));
     router.use('/events', events.router(config));
     router.use('/metrics', metrics.router(config));
+    router.use('/user', user.router(config));
 
     return router;
 };

lib/routes/admin-api/user.js

@@ -0,0 +1,20 @@
+'use strict';
+
+const { Router } = require('express');
+
+exports.router = function() {
+    const router = Router();
+
+    router.get('/', (req, res) => {
+        if (req.user) {
+            return res
+                .status(200)
+                .json(req.user)
+                .end();
+        } else {
+            return res.status(404).end();
+        }
+    });
+
+    return router;
+};

lib/server-impl.js

@@ -9,6 +9,8 @@ const getApp = require('./app');
 const { startMonitoring } = require('./metrics');
 const { createStores } = require('./db');
 const { createOptions } = require('./options');
+const User = require('./user');
+const AuthenticationRequired = require('./authentication-required');
 
 function createApp(options) {
     // Database dependecies (statefull)
@@ -44,4 +46,6 @@ function start(opts) {
 
 module.exports = {
     start,
+    User,
+    AuthenticationRequired,
 };

lib/user.js

@@ -0,0 +1,14 @@
+'use strict';
+
+const gravatar = require('gravatar');
+const assert = require('assert');
+
+module.exports = class User {
+    constructor({ name, email, imageUrl } = {}) {
+        assert(email, 'Email is required');
+        this.email = email;
+        this.name = name;
+        this.imageUrl =
+            imageUrl || gravatar.url(email, { s: '42', d: 'retro' });
+    }
+};

lib/user.test.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const { test } = require('ava');
+const User = require('./user');
+
+test('should create user', t => {
+    const user = new User({ name: 'ole', email: 'some@email.com' });
+    t.is(user.name, 'ole');
+    t.is(user.email, 'some@email.com');
+    t.is(
+        user.imageUrl,
+        '//www.gravatar.com/avatar/d8ffeba65ee5baf57e4901690edc8e1b?s=42&d=retro'
+    );
+});
+
+test('should require email', t => {
+    const error = t.throws(() => {
+        const user = new User(); // eslint-disable-line
+    }, Error);
+
+    t.is(error.message, 'Email is required');
+});
+
+test('Should create user with only email defined', t => {
+    const user = new User({ email: 'some@email.com' });
+
+    t.is(user.email, 'some@email.com');
+});

package.json

@@ -56,6 +56,7 @@
     ]
   },
   "dependencies": {
+    "assert": "^1.4.1",
     "async": "^2.1.5",
     "body-parser": "^1.18.2",
     "commander": "^2.9.0",
@@ -67,12 +68,15 @@
     "errorhandler": "^1.5.0",
     "express": "^4.16.2",
     "express-validator": "^4.3.0",
+    "gravatar": "^1.6.0",
     "install": "^0.10.1",
     "joi": "^13.0.1",
     "knex": "^0.14.0",
     "log4js": "^2.0.0",
     "moment": "^2.19.3",
     "parse-database-url": "^0.3.0",
+    "passport": "^0.4.0",
+    "passport-google-auth": "^1.0.2",
     "pg": "^7.4.0",
     "pkginfo": "^0.4.1",
     "prom-client": "^10.0.4",

test/e2e/api/admin/feature.auth.e2e.test.js

@@ -0,0 +1,36 @@
+'use strict';
+
+const { test } = require('ava');
+const { setupAppWithAuth } = require('./../../helpers/test-helper');
+
+test.serial('creates new feature toggle with createdBy', async t => {
+    t.plan(1);
+    const { request, destroy } = await setupAppWithAuth('feature_api_auth');
+    // Login
+    await request.post('/api/admin/login').send({
+        email: 'user@mail.com',
+    });
+
+    // create toggle
+    await request.post('/api/admin/features').send({
+        name: 'com.test.Username',
+        enabled: false,
+        strategies: [{ name: 'default' }],
+    });
+
+    await request
+        .get('/api/admin/events')
+        .expect(res => {
+            t.true(res.body.events[0].createdBy === 'user@mail.com');
+        })
+        .then(destroy);
+});
+
+test.serial('should require authenticated user', async t => {
+    t.plan(0);
+    const { request, destroy } = await setupAppWithAuth('feature_api_auth');
+    return request
+        .get('/api/admin/features')
+        .expect(401)
+        .then(destroy);
+});

test/e2e/api/admin/feature.custom-auth.e2e.test.js

@@ -0,0 +1,62 @@
+'use strict';
+
+const { test } = require('ava');
+const { setupAppWithCustomAuth } = require('./../../helpers/test-helper');
+const AuthenticationRequired = require('./../../../../lib/authentication-required');
+const User = require('./../../../../lib/user');
+
+test.serial('should require authenticated user', async t => {
+    t.plan(0);
+    const preHook = app => {
+        app.use('/api/admin/', (req, res) =>
+            res
+                .status('401')
+                .json(
+                    new AuthenticationRequired({
+                        path: '/api/admin/login',
+                        type: 'custom',
+                        message: `You have to identify yourself.`,
+                    })
+                )
+                .end()
+        );
+    };
+    const { request, destroy } = await setupAppWithCustomAuth(
+        'feature_api_custom_auth',
+        preHook
+    );
+    return request
+        .get('/api/admin/features')
+        .expect(401)
+        .then(destroy);
+});
+
+test.serial('creates new feature toggle with createdBy', async t => {
+    t.plan(1);
+    const user = new User({ email: 'custom-user@mail.com' });
+
+    const preHook = app => {
+        app.use('/api/admin/', (req, res, next) => {
+            req.user = user;
+            next();
+        });
+    };
+    const { request, destroy } = await setupAppWithCustomAuth(
+        'feature_api_custom_auth',
+        preHook
+    );
+
+    // create toggle
+    await request.post('/api/admin/features').send({
+        name: 'com.test.Username',
+        enabled: false,
+        strategies: [{ name: 'default' }],
+    });
+
+    await request
+        .get('/api/admin/events')
+        .expect(res => {
+            t.true(res.body.events[0].createdBy === user.email);
+        })
+        .then(destroy);
+});

test/e2e/api/admin/feature.e2e.test.js

@@ -50,22 +50,18 @@ test.serial('creates new feature toggle', async t => {
         .then(destroy);
 });
 
-test.serial('creates new feature toggle with createdBy', async t => {
+test.serial('creates new feature toggle with createdBy unknown', async t => {
     t.plan(1);
     const { request, destroy } = await setupApp('feature_api_serial');
-    await request
+    await request.post('/api/admin/features').send({
-        .post('/api/admin/features')
+        name: 'com.test.Username',
-        .send({
+        enabled: false,
-            name: 'com.test.Username',
+        strategies: [{ name: 'default' }],
-            enabled: false,
+    });
-            strategies: [{ name: 'default' }],
-        })
-        .set('Cookie', ['username=ivaosthu'])
-        .set('Content-Type', 'application/json');
     await request
         .get('/api/admin/events')
         .expect(res => {
-            t.true(res.body.events[0].createdBy === 'ivaosthu');
+            t.true(res.body.events[0].createdBy === 'unknown');
         })
         .then(destroy);
 });

test/e2e/api/client/feature.e2e.test.js

@@ -1,5 +1,36 @@
 'use strict';
 
 const { test } = require('ava');
+const { setupApp } = require('./../../helpers/test-helper');
 
-test.todo('e2e client feature');
+test.serial('returns three feature toggles', async t => {
+    const { request, destroy } = await setupApp('feature_api_client');
+    return request
+        .get('/api/client/features')
+        .expect('Content-Type', /json/)
+        .expect(200)
+        .expect(res => {
+            t.true(res.body.features.length === 3);
+        })
+        .then(destroy);
+});
+
+test.serial('gets a feature by name', async t => {
+    t.plan(0);
+    const { request, destroy } = await setupApp('feature_api_client');
+    return request
+        .get('/api/client/features/featureX')
+        .expect('Content-Type', /json/)
+        .expect(200)
+        .then(destroy);
+});
+
+test.serial('cant get feature that dose not exist', async t => {
+    t.plan(0);
+    const { request, destroy } = await setupApp('feature_api_client');
+    return request
+        .get('/api/client/features/myfeature')
+        .expect('Content-Type', /json/)
+        .expect(404)
+        .then(destroy);
+});

test/e2e/helpers/database-init.js

@@ -0,0 +1,70 @@
+'use strict';
+
+const migrator = require('../../../migrator');
+const { createStores } = require('../../../lib/db');
+const { createDb } = require('../../../lib/db/db-pool');
+
+const dbState = require('./database.json');
+
+require('db-migrate-shared').log.silence(true);
+
+// because of migrator bug
+delete process.env.DATABASE_URL;
+
+// because of db-migrate bug (https://github.com/Unleash/unleash/issues/171)
+process.setMaxListeners(0);
+
+async function resetDatabase(stores) {
+    return Promise.all([
+        stores.db('strategies').del(),
+        stores.db('features').del(),
+        stores.db('client_applications').del(),
+        stores.db('client_instances').del(),
+    ]);
+}
+
+async function setupDatabase(stores) {
+    const updates = [];
+    updates.push(...createStrategies(stores.strategyStore));
+    updates.push(...createFeatures(stores.featureToggleStore));
+    updates.push(...createClientInstance(stores.clientInstanceStore));
+    updates.push(...createApplications(stores.clientApplicationsStore));
+
+    await Promise.all(updates);
+}
+
+function createStrategies(store) {
+    return dbState.strategies.map(s => store._createStrategy(s));
+}
+
+function createApplications(store) {
+    return dbState.applications.map(a => store.upsert(a));
+}
+
+function createClientInstance(store) {
+    return dbState.clientInstances.map(i => store.insert(i));
+}
+
+function createFeatures(store) {
+    return dbState.features.map(f => store._createFeature(f));
+}
+
+module.exports = async function init(databaseSchema = 'test') {
+    const options = {
+        databaseUrl: require('./database-config').getDatabaseUrl(),
+        databaseSchema,
+        minPool: 0,
+        maxPool: 0,
+    };
+
+    const db = createDb(options);
+
+    await db.raw(`CREATE SCHEMA IF NOT EXISTS ${options.databaseSchema}`);
+    await migrator(options);
+    await db.destroy();
+    const stores = await createStores(options);
+    await resetDatabase(stores);
+    await setupDatabase(stores);
+
+    return stores;
+};

test/e2e/helpers/database.json

@@ -0,0 +1,113 @@
+{
+	"strategies": [
+        {
+			"name": "default",
+			"description": "Default on or off Strategy.",
+			"parameters": []
+		},
+		{
+			"name": "usersWithEmail",
+			"description": "Active for users defined  in the comma-separated emails-parameter.",
+			"parameters": [{
+				"name": "emails",
+				"type": "string"
+			}]
+		}
+    ],
+    "applications": [
+        {
+            "appName": "demo-app-1",
+            "strategies": ["default"]
+        },
+        {
+            "appName": "demo-app-2",
+            "strategies": ["default",
+                "extra"
+            ],
+            "description": "hello"
+        }
+    ],
+    "clientInstances": [
+        {
+            "appName": "demo-app-1",
+            "instanceId": "test-1",
+            "strategies": ["default"],
+            "started": 1516026938494,
+            "interval": 10
+        },
+        {
+            "appName": "demo-seed-2",
+            "instanceId": "test-2",
+            "strategies": ["default"],
+            "started": 1516026938494,
+            "interval": 10
+        }
+    ],
+    "features": [
+        {
+            "name": "featureX",
+            "description": "the #1 feature",
+            "enabled": true,
+            "strategies": [{
+                "name": "default",
+                "parameters": {}
+            }]
+        },
+        {
+            "name": "featureY",
+            "description": "soon to be the #1 feature",
+            "enabled": false,
+            "strategies": [{
+                "name": "baz",
+                "parameters": {
+                    "foo": "bar"
+                }
+            }]
+        },
+        {
+            "name": "featureZ",
+            "description": "terrible feature",
+            "enabled": true,
+            "strategies": [{
+                "name": "baz",
+                "parameters": {
+                    "foo": "rab"
+                }
+            }]
+        },
+        {
+            "name": "featureArchivedX",
+            "description": "the #1 feature",
+            "enabled": true,
+            "archived": true,
+            "strategies": [{
+                "name": "default",
+                "parameters": {}
+            }]
+        },
+        {
+            "name": "featureArchivedY",
+            "description": "soon to be the #1 feature",
+            "enabled": false,
+            "archived": true,
+            "strategies": [{
+                "name": "baz",
+                "parameters": {
+                    "foo": "bar"
+                }
+            }]
+        },
+        {
+            "name": "featureArchivedZ",
+            "description": "terrible feature",
+            "enabled": true,
+            "archived": true,
+            "strategies": [{
+                "name": "baz",
+                "parameters": {
+                    "foo": "rab"
+                }
+            }]
+        }
+    ]
+}

test/e2e/helpers/test-helper.js

@@ -2,198 +2,52 @@
 
 process.env.NODE_ENV = 'test';
 
-// because of db-migrate bug (https://github.com/Unleash/unleash/issues/171)
-process.setMaxListeners(0);
-
 const supertest = require('supertest');
-const migrator = require('../../../migrator');
-const { createStores } = require('../../../lib/db');
-const { createDb } = require('../../../lib/db/db-pool');
-const getApp = require('../../../lib/app');
-require('db-migrate-shared').log.silence(true);
 
-// because of migrator bug
+const getApp = require('../../../lib/app');
-delete process.env.DATABASE_URL;
+const dbInit = require('./database-init');
 
 const { EventEmitter } = require('events');
 const eventBus = new EventEmitter();
 
-function createApp(databaseSchema = 'test') {
+function createApp(stores, adminAuthentication = 'none', preHook) {
-    const options = {
+    return getApp({
-        databaseUrl: require('./database-config').getDatabaseUrl(),
+        stores,
-        databaseSchema,
+        eventBus,
-        minPool: 0,
+        preHook,
-        maxPool: 0,
+        adminAuthentication,
-    };
+        secret: 'super-secret',
-    const db = createDb({
+        sessionAge: 4000,
-        databaseUrl: options.databaseUrl,
-        minPool: 0,
-        maxPool: 0,
     });
-
-    return db
-        .raw(`CREATE SCHEMA IF NOT EXISTS ${options.databaseSchema}`)
-        .then(() => migrator(options))
-        .then(() => {
-            db.destroy();
-            const stores = createStores(options);
-            const app = getApp({ stores, eventBus });
-            return {
-                stores,
-                request: supertest(app),
-                destroy() {
-                    return stores.db.destroy();
-                },
-            };
-        });
-}
-
-function createStrategies(stores) {
-    return [
-        {
-            name: 'default',
-            description: 'Default on or off Strategy.',
-            parameters: [],
-        },
-        {
-            name: 'usersWithEmail',
-            description:
-                'Active for users defined  in the comma-separated emails-parameter.',
-            parameters: [{ name: 'emails', type: 'string' }],
-        },
-    ].map(strategy => stores.strategyStore._createStrategy(strategy));
-}
-
-function createApplications(stores) {
-    return [
-        {
-            appName: 'demo-app-1',
-            strategies: ['default'],
-        },
-        {
-            appName: 'demo-app-2',
-            strategies: ['default', 'extra'],
-            description: 'hello',
-        },
-    ].map(client => stores.clientApplicationsStore.upsert(client));
-}
-
-function createClientInstance(stores) {
-    return [
-        {
-            appName: 'demo-app-1',
-            instanceId: 'test-1',
-            strategies: ['default'],
-            started: Date.now(),
-            interval: 10,
-        },
-        {
-            appName: 'demo-seed-2',
-            instanceId: 'test-2',
-            strategies: ['default'],
-            started: Date.now(),
-            interval: 10,
-        },
-    ].map(client => stores.clientInstanceStore.insert(client));
-}
-
-function createFeatures(stores) {
-    return [
-        {
-            name: 'featureX',
-            description: 'the #1 feature',
-            enabled: true,
-            strategies: [{ name: 'default', parameters: {} }],
-        },
-        {
-            name: 'featureY',
-            description: 'soon to be the #1 feature',
-            enabled: false,
-            strategies: [
-                {
-                    name: 'baz',
-                    parameters: {
-                        foo: 'bar',
-                    },
-                },
-            ],
-        },
-        {
-            name: 'featureZ',
-            description: 'terrible feature',
-            enabled: true,
-            strategies: [
-                {
-                    name: 'baz',
-                    parameters: {
-                        foo: 'rab',
-                    },
-                },
-            ],
-        },
-        {
-            name: 'featureArchivedX',
-            description: 'the #1 feature',
-            enabled: true,
-            archived: true,
-            strategies: [{ name: 'default', parameters: {} }],
-        },
-        {
-            name: 'featureArchivedY',
-            description: 'soon to be the #1 feature',
-            enabled: false,
-            archived: true,
-            strategies: [
-                {
-                    name: 'baz',
-                    parameters: {
-                        foo: 'bar',
-                    },
-                },
-            ],
-        },
-        {
-            name: 'featureArchivedZ',
-            description: 'terrible feature',
-            enabled: true,
-            archived: true,
-            strategies: [
-                {
-                    name: 'baz',
-                    parameters: {
-                        foo: 'rab',
-                    },
-                },
-            ],
-        },
-    ].map(feature => stores.featureToggleStore._createFeature(feature));
-}
-
-function resetDatabase(stores) {
-    return Promise.all([
-        stores.db('strategies').del(),
-        stores.db('features').del(),
-        stores.db('client_applications').del(),
-        stores.db('client_instances').del(),
-    ]);
-}
-
-function setupDatabase(stores) {
-    return Promise.all(
-        createStrategies(stores).concat(
-            createFeatures(stores)
-                .concat(createClientInstance(stores))
-                .concat(createApplications(stores))
-        )
-    );
 }
 
 module.exports = {
-    setupApp(name) {
+    async setupApp(name) {
-        return createApp(name).then(app =>
+        const stores = await dbInit(name);
-            resetDatabase(app.stores)
+        const app = createApp(stores);
-                .then(() => setupDatabase(app.stores))
+
-                .then(() => app)
+        return {
-        );
+            request: supertest.agent(app),
+            destroy: () => stores.db.destroy(),
+        };
+    },
+    async setupAppWithAuth(name) {
+        const stores = await dbInit(name);
+        const app = createApp(stores, 'unsecure');
+
+        return {
+            request: supertest.agent(app),
+            destroy: () => stores.db.destroy(),
+        };
+    },
+
+    async setupAppWithCustomAuth(name, preHook) {
+        const stores = await dbInit(name);
+        const app = createApp(stores, 'custom', preHook);
+
+        return {
+            request: supertest.agent(app),
+            destroy: () => stores.db.destroy(),
+        };
     },
 };

yarn.lock

@@ -298,6 +298,12 @@ assert-plus@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-0.2.0.tgz#d74e1b87e7affc0db8aadb7021f3fe48101ab234"
 
+assert@^1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/assert/-/assert-1.4.1.tgz#99912d591836b5a6f5b345c0f07eefc08fc65d91"
+  dependencies:
+    util "0.10.3"
+
 ast-types@0.x.x:
   version "0.9.14"
   resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.9.14.tgz#d34ba5dffb9d15a44351fd2a9d82e4ab2838b5ba"
@@ -324,7 +330,7 @@ async@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/async/-/async-1.0.0.tgz#f8fc04ca3a13784ade9e1641af98578cfbd647a9"
 
-async@~2.1.2:
+async@~2.1.2, async@~2.1.4:
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/async/-/async-2.1.5.tgz#e587c68580994ac67fc56ff86d3ac56bdbe810bc"
   dependencies:
@@ -756,6 +762,10 @@ balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
+base64url@2.0.0, base64url@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/base64url/-/base64url-2.0.0.tgz#eac16e03ea1438eff9423d69baa36262ed1f70bb"
+
 bcrypt-pbkdf@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz#63bc5dcb61331b92bc05fd528953c33462a06f8d"
@@ -786,6 +796,10 @@ bluebird@^3.0.0, bluebird@^3.1.1, bluebird@^3.4.6:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
 
+blueimp-md5@^2.3.0:
+  version "2.10.0"
+  resolved "https://registry.yarnpkg.com/blueimp-md5/-/blueimp-md5-2.10.0.tgz#02f0843921f90dca14f5b8920a38593201d6964d"
+
 body-parser@1.18.2, body-parser@^1.18.2:
   version "1.18.2"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.2.tgz#87678a19d84b47d859b83199bd59bce222b10454"
@@ -850,6 +864,10 @@ buf-compare@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/buf-compare/-/buf-compare-1.0.1.tgz#fef28da8b8113a0a0db4430b0b6467b69730b34a"
 
+buffer-equal-constant-time@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz#f8e71132f7ffe6e01a5c9697a4c6f3e48d5cc819"
+
 buffer-writer@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/buffer-writer/-/buffer-writer-1.0.1.tgz#22a936901e3029afcd7547eb4487ceb697a3bf08"
@@ -920,6 +938,10 @@ camelcase@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
 
+camelcase@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
+
 camelcase@^4.0.0, camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
@@ -1552,6 +1574,13 @@ ecc-jsbn@~0.1.1:
   dependencies:
     jsbn "~0.1.0"
 
+ecdsa-sig-formatter@1.0.9:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.9.tgz#4bc926274ec3b5abb5016e7e1d60921ac262b2a1"
+  dependencies:
+    base64url "^2.0.0"
+    safe-buffer "^5.0.1"
+
 ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
@@ -1564,6 +1593,10 @@ element-class@^0.2.0:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/element-class/-/element-class-0.2.2.tgz#9d3bbd0767f9013ef8e1c8ebe722c1402a60050e"
 
+email-validator@^1.0.7:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/email-validator/-/email-validator-1.1.1.tgz#b07f3be7bac1dc099bc43e75f6ae399f552d5a80"
+
 empower-core@^0.6.1:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/empower-core/-/empower-core-0.6.2.tgz#5adef566088e31fba80ba0a36df47d7094169144"
@@ -2307,6 +2340,29 @@ globby@^6.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+google-auth-library@~0.10.0:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/google-auth-library/-/google-auth-library-0.10.0.tgz#6e15babee85fd1dd14d8d128a295b6838d52136e"
+  dependencies:
+    gtoken "^1.2.1"
+    jws "^3.1.4"
+    lodash.noop "^3.0.1"
+    request "^2.74.0"
+
+google-p12-pem@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/google-p12-pem/-/google-p12-pem-0.1.2.tgz#33c46ab021aa734fa0332b3960a9a3ffcb2f3177"
+  dependencies:
+    node-forge "^0.7.1"
+
+googleapis@^16.0.0:
+  version "16.1.0"
+  resolved "https://registry.yarnpkg.com/googleapis/-/googleapis-16.1.0.tgz#0f19f2d70572d918881a0f626e3b1a2fa8629576"
+  dependencies:
+    async "~2.1.4"
+    google-auth-library "~0.10.0"
+    string-template "~1.0.0"
+
 got@^6.7.1:
   version "6.7.1"
   resolved "https://registry.yarnpkg.com/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
@@ -2327,6 +2383,24 @@ graceful-fs@^4.1.11, graceful-fs@^4.1.2:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
+gravatar@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/gravatar/-/gravatar-1.6.0.tgz#8bdc9b786ca725a8e7076416d1731f8d3331c976"
+  dependencies:
+    blueimp-md5 "^2.3.0"
+    email-validator "^1.0.7"
+    querystring "0.2.0"
+    yargs "^6.0.0"
+
+gtoken@^1.2.1:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/gtoken/-/gtoken-1.2.3.tgz#5509571b8afd4322e124cf66cf68115284c476d8"
+  dependencies:
+    google-p12-pem "^0.1.0"
+    jws "^3.0.0"
+    mime "^1.4.1"
+    request "^2.72.0"
+
 handlebars@^4.0.3:
   version "4.0.11"
   resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.11.tgz#630a35dfe0294bc281edae6ffc5d329fc7982dcc"
@@ -2616,6 +2690,10 @@ inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, i
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
+inherits@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
+
 ini@^1.3.4, ini@~1.3.0:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.4.tgz#0537cb79daf59b59a1a517dff706c86ec039162e"
@@ -3097,6 +3175,23 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
+jwa@^1.1.4:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/jwa/-/jwa-1.1.5.tgz#a0552ce0220742cd52e153774a32905c30e756e5"
+  dependencies:
+    base64url "2.0.0"
+    buffer-equal-constant-time "1.0.1"
+    ecdsa-sig-formatter "1.0.9"
+    safe-buffer "^5.0.1"
+
+jws@^3.0.0, jws@^3.1.4:
+  version "3.1.4"
+  resolved "https://registry.yarnpkg.com/jws/-/jws-3.1.4.tgz#f9e8b9338e8a847277d6444b1464f61880e050a2"
+  dependencies:
+    base64url "^2.0.0"
+    jwa "^1.1.4"
+    safe-buffer "^5.0.1"
+
 keygrip@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/keygrip/-/keygrip-1.0.2.tgz#ad3297c557069dea8bcfe7a4fa491b75c5ddeb91"
@@ -3358,6 +3453,10 @@ lodash.merge@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.0.tgz#69884ba144ac33fe699737a6086deffadd0f89c5"
 
+lodash.noop@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/lodash.noop/-/lodash.noop-3.0.1.tgz#38188f4d650a3a474258439b96ec45b32617133c"
+
 lodash@^4.0.0, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.16.0, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0, lodash@^4.6.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
@@ -3670,6 +3769,10 @@ node-fetch@^1.0.1:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
+node-forge@^0.7.1:
+  version "0.7.1"
+  resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.7.1.tgz#9da611ea08982f4b94206b3beb4cc9665f20c300"
+
 node-fs@~0.1.5:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/node-fs/-/node-fs-0.1.7.tgz#32323cccb46c9fbf0fc11812d45021cc31d325bb"
@@ -3940,6 +4043,12 @@ os-homedir@^1.0.0, os-homedir@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
+os-locale@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  dependencies:
+    lcid "^1.0.0"
+
 os-locale@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-2.1.0.tgz#42bc2900a6b5b8bd17376c8e882b65afccf24bf2"
@@ -4084,6 +4193,24 @@ parseurl@~1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
 
+passport-google-auth@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/passport-google-auth/-/passport-google-auth-1.0.2.tgz#8b300b5aa442ef433de1d832ed3112877d0b2938"
+  dependencies:
+    googleapis "^16.0.0"
+    passport-strategy "1.x"
+
+passport-strategy@1.x, passport-strategy@1.x.x:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/passport-strategy/-/passport-strategy-1.0.0.tgz#b5539aa8fc225a3d1ad179476ddf236b440f52e4"
+
+passport@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/passport/-/passport-0.4.0.tgz#c5095691347bd5ad3b5e180238c3914d16f05811"
+  dependencies:
+    passport-strategy "1.x.x"
+    pause "0.0.1"
+
 path-exists@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
@@ -4144,6 +4271,10 @@ path-type@^2.0.0:
   dependencies:
     pify "^2.0.0"
 
+pause@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/pause/-/pause-0.0.1.tgz#1d408b3fdb76923b9543d96fb4c9dfd535d9cb5d"
+
 performance-now@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
@@ -4444,6 +4575,10 @@ query-string@^4.2.2:
     object-assign "^4.1.0"
     strict-uri-encode "^1.0.0"
 
+querystring@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
+
 randomatic@^1.1.3:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-1.1.7.tgz#c7abe9cc8b87c0baa876b19fde83fd464797e38c"
@@ -4805,7 +4940,7 @@ request@2.81.0:
     tunnel-agent "^0.6.0"
     uuid "^3.0.0"
 
-request@^2.0.0, request@^2.74.0, request@^2.79.0:
+request@^2.0.0, request@^2.72.0, request@^2.74.0, request@^2.79.0:
   version "2.83.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.83.0.tgz#ca0b65da02ed62935887808e6f510381034e3356"
   dependencies:
@@ -5275,6 +5410,10 @@ strict-uri-encode@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
 
+string-template@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/string-template/-/string-template-1.0.0.tgz#9e9f2233dc00f218718ec379a28a5673ecca8b96"
+
 string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
@@ -5699,6 +5838,12 @@ util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
+util@0.10.3:
+  version "0.10.3"
+  resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
+  dependencies:
+    inherits "2.0.1"
+
 utile@0.3.x:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/utile/-/utile-0.3.0.tgz#1352c340eb820e4d8ddba039a4fbfaa32ed4ef3a"
@@ -5769,6 +5914,10 @@ when@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/when/-/when-2.0.1.tgz#8d872fe15e68424c91b4b724e848e0807dab6642"
 
+which-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
+
 which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
@@ -5894,6 +6043,12 @@ yallist@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.2.tgz#8452b4bb7e83c7c188d8041c1a837c773d6d8bb9"
 
+yargs-parser@^4.2.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-4.2.1.tgz#29cceac0dc4f03c6c87b4a9f217dd18c9f74871c"
+  dependencies:
+    camelcase "^3.0.0"
+
 yargs-parser@^8.0.0:
   version "8.0.0"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-8.0.0.tgz#21d476330e5a82279a4b881345bf066102e219c6"
@@ -5917,6 +6072,24 @@ yargs@^10.0.3:
     y18n "^3.2.1"
     yargs-parser "^8.0.0"
 
+yargs@^6.0.0:
+  version "6.6.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
+  dependencies:
+    camelcase "^3.0.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^1.4.0"
+    read-pkg-up "^1.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^1.0.2"
+    which-module "^1.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^4.2.0"
+
 yargs@~3.10.0:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"