Serverless

.gitignore

@@ -1,5 +1,9 @@
 node_modules/
-dist
+dist/
+build/
 npm-debug.log
-*.swp
-.env
+.DS_Store
+.npmignore
+.serverless/
+secrets.*.yml
+yarn-error.log

serverless/handler.js

@@ -0,0 +1,87 @@
+'use strict';
+const AWS = require('aws-sdk');
+const fetch = require('node-fetch');
+
+const EMAIL_REGEX = /^(([^<>()[\]\.,;:\s@\"]+(\.[^<>()[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/i;
+
+module.exports.sendMail = (event, context, callback) => {
+    console.log(event);
+
+    const body = JSON.parse(event.body);
+
+    validateResponse(body)
+        .then(checkRecaptcha) 
+        .then(sendEmail)
+        .then(() => {
+            callback(null, generateResponse('OK', 200, 'Sent Email'));
+        })
+        .catch(err => {
+            console.log(err);
+            callback(null, generateResponse('FAILED', 400, err.message));
+        });
+};
+
+function validateResponse(body) {
+    return new Promise((resolve, reject) => { 
+        if (!body) reject(new Error('Need to provide a body with the request'));
+
+        const { name, email, message, recaptcha_response } = body;
+        if (!name || !email || !message || !recaptcha_response)
+            reject(new Error('Need to provide name, email, message, and valid captcha response'));
+
+        if (!EMAIL_REGEX.test(email))
+            reject(new Error('Email needs to be in the correct email format'));
+
+        if (message.length > 1000)
+            reject(new Error('Message needs to be less than 1000 characters'));
+
+        resolve(body);
+    });
+}
+
+function checkRecaptcha(body) {
+    const { recaptcha_response } = body;
+    const url ="https://www.google.com/recaptcha/api/siteverify?response=" + recaptcha_response + "&secret=" + process.env.RECAPTCHA_SECRET;
+
+    return fetch(url, { method: 'post' })
+        .then(response => response.json())
+        .then(response => {
+            if (!response.success) throw new Error('Invalid recaptcha response');
+            return body;
+        })
+}
+
+function sendEmail(body) {
+    const { name, email, message } = body;
+    const  emailMessage = 'From: ' + name + '\n' +
+        'Email: ' + email + '\n' + 
+        'Message: ' + message;
+
+    const ses = new AWS.SES();
+
+
+    return ses.sendEmail({
+        Destination: {
+            ToAddresses: [ process.env.EMAIL_TO ]
+        },
+        Message: {
+            Body: {
+                Text: { Data: emailMessage }
+            },
+            Subject: {
+                Data: 'Message from ' + name + ' on your website'
+            }
+        },
+        Source: process.env.EMAIL_FROM
+    }).promise();
+}
+
+function generateResponse(status, statusCode, message) {
+    return {
+        statusCode: statusCode,
+        body: JSON.stringify({
+            status,
+            message
+        })
+    };
+}

serverless/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "cvbackend",
+  "version": "1.0.0",
+  "description": "",
+  "main": "handler.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "aws-sdk": "^2.31.0",
+    "node-fetch": "^1.6.3",
+    "serverless-secrets-plugin": "^0.0.1"
+  }
+}

serverless/secrets.dev.yml.encrypted

@@ -0,0 +1 @@
+m�{'��H�,FwH+M�Y�Ik��+�����	;�l�C��w�<�H��kS�IV\40�(��dF��2���B2�1�b&�(�K6<��uH#�ˆ�O��u;\��z��k����T���������"8�e��)=��e{�z�g��6��j�j/
����w���C��y�u����#�˒x1A�9"���Uq�)=�ld��O֌V�(����X.ښ�M�7�:����ŋ<`�ۣL���Z�)v>S"�R���Fw)�S�

serverless/serverless.yml

@@ -0,0 +1,33 @@
+service: cv-backend
+
+plugins:
+    - serverless-secrets-plugin
+
+provider:
+    name: aws
+    runtime: nodejs6.10
+    stage: dev
+    region: us-west-2
+    environment:
+        EMAIL_FROM: ${self:custom.secrets.EMAIL_FROM}
+        EMAIL_TO: ${self:custom.secrets.EMAIL_TO}
+        RECAPTCHA_SECRET: ${self:custom.secrets.RECAPTCHA_SECRET}
+    iamRoleStatements:
+        - Effect: "Allow"
+          Action:
+              - "ses:SendEmail"
+              - "ses:SendEmailRaw"
+          Resource:
+              - "*"
+
+custom:
+    secrets: ${file(secrets.${opt:stage, self:provider.stage}.yml)}
+
+functions:
+    sendMail:
+        handler: handler.sendMail
+        events:
+            - http:
+                path: mail
+                method: post
+                cors: true