Noded/frontend#84 Add API for user login/registration

app/controllers/api/v1/Auth.controller.js

@@ -0,0 +1,96 @@
+const { Controller } = require('libflitter')
+
+class AuthController extends Controller {
+    static get services() {
+        return [...super.services, 'models', 'auth'];
+    }
+
+    async get_user_info(req, res, next) {
+        const User = this.models.get('auth:User')
+
+        if ( !req.query.uid ) {
+            return res.status(400).api()
+        }
+
+        const user = await User.findOne({
+            uid: req.query.uid,
+            provider: 'flitter',
+        })
+
+        if ( user ) {
+            return res.api({
+                exists: true,
+                uid: user.uid,
+                id: user.id,
+            })
+        }
+
+        return res.api({ exists: false })
+    }
+
+    async attempt_registration(req, res, next) {
+        const flitter = this.auth.get_provider('flitter')
+
+        const form_data = {
+            username: req.body.uid,
+            password: req.body.password,
+        }
+
+        const errors = await flitter.validate_registration(form_data)
+
+        if ( !req.body.fullName ) {
+            errors.push('Full name is required.')
+        }
+
+        if ( req.body.password !== req.body.passwordConfirmation ) {
+            errors.push('Password does not match confirmation.')
+        }
+
+        if ( errors.length ) {
+            return res.api({ success: false, message: errors[0] })
+        }
+
+        const [username, attrs] = await flitter.get_registration_args(form_data)
+        attrs.full_name = req.body.fullName
+
+        const user = await flitter.register(username, attrs, undefined)
+        if ( !user ) {
+            return res.api({ success: false, message: 'An unknown error has occurred' })
+        }
+
+        await flitter.session(req, user)
+        return res.api({ success: true })
+    }
+
+    async attempt_authentication(req, res, next) {
+        const flitter = this.auth.get_provider('flitter')
+
+        if ( !req.body.uid ) {
+            return res.status(400)
+                .message('Missing required field: uid')
+                .api()
+        }
+
+        if ( !req.body.password ) {
+            return res.status(400)
+                .message('Missing required field: password')
+                .api()
+        }
+
+        const user = await flitter.login(req.body.uid, req.body.password)
+        if ( !user ) {
+            return res.api({ success: false, message: 'Invalid username or password' })
+        }
+
+        await flitter.session(req, user)
+        return res.api({ success: true })
+    }
+
+    async end_session(req, res, next) {
+        const flitter = this.auth.get_provider('flitter')
+        await flitter.logout(req);
+        return res.api();
+    }
+}
+
+module.exports = exports = AuthController