Initial implementation

.esformatter

@@ -0,0 +1,22 @@
+{
+  "preset": "default",
+  "indent": {
+    "value": "    "
+  },
+  "plugins": [
+    "esformatter-quotes",
+    "esformatter-use-strict",
+    "esformatter-align"
+  ],
+  "quotes": {
+    "type": "single",
+    "avoidEscape": false
+  },
+  "align": {
+    "ObjectExpression":     1,
+    "VariableDeclaration":  1,
+    "AssignmentExpression": 1,
+    "TernaryExpression":    1,
+    "OrExpression":         1
+  }
+}

.eslintrc

@@ -0,0 +1,182 @@
+{
+  "env": {
+    "node": true,
+    "es6": true
+  },
+  "rules": {
+    "brace-style": [2,"1tbs",{}],
+    "camelcase": [2,{"properties":"never"}],
+    "comma-spacing": [2,{"after": true}],
+    "comma-style": ["error", "last"],
+    "computed-property-spacing": [2,"never"],
+    "consistent-this": [2,"self"],
+    "eol-last": 2,
+    "id-length": [1,{"min":3,"max":40,"exceptions":["i","j","k","x","y","z","to","Q","qs"]}],
+    "indent": 2,
+    "linebreak-style": [2,"unix"],
+    "max-nested-callbacks": [1,4],
+    "new-parens": 2,
+    "no-array-constructor": 1,
+    "no-continue": 2,
+    "no-mixed-spaces-and-tabs": 2,
+    "no-multiple-empty-lines": [2,{"max":2}],
+    "no-nested-ternary": 2,
+    "no-new-object": 2,
+    "no-spaced-func": 2,
+    "no-trailing-spaces": [2,{"skipBlankLines":true}],
+    "no-underscore-dangle": 1,
+    "no-unneeded-ternary": 1,
+    "object-curly-spacing": [2,"never",{}],
+    "one-var": ["error","never"],
+    "operator-linebreak": [1,"after"],
+    "quotes": [2,"single"],
+    "semi-spacing": [2,{"after":true}],
+    "semi": [2,"always"],
+    "space-before-blocks": [2,"always"],
+    "space-before-function-paren": [2,"never"],
+    "space-in-parens": [2,"never"],
+    "space-infix-ops": [2,{"int32Hint":false}],
+    "space-unary-ops": [2,{"words":true}],
+    "wrap-regex": 2,
+    "arrow-parens": [2,"always"],
+    "arrow-spacing": [2,{"before":true,"after":true}],
+    "constructor-super": 2,
+    "generator-star-spacing": [2,{"before":false,"after":true}],
+    "no-class-assign": 2,
+    "no-const-assign": 2,
+    "no-this-before-super": 2,
+    "object-shorthand": [1,"never"],
+    "prefer-spread": 1,
+    "prefer-reflect": 1,
+    "require-yield": 2,
+    "max-depth": [1,4],
+    "max-len": [1,120,4,{"ignoreComments":false,"ignoreUrls":true}],
+    "max-params": [1,5],
+    "max-statements": [1,20],
+    "no-bitwise": 1,
+    "comma-dangle": [2,"never"],
+    "no-cond-assign": [2,"always"],
+    "no-console": 0,
+    "no-constant-condition": 2,
+    "no-control-regex": 2,
+    "no-debugger": 2,
+    "no-dupe-args": 2,
+    "no-dupe-keys": 2,
+    "no-duplicate-case": 2,
+    "no-empty-character-class": 2,
+    "no-empty": 2,
+    "no-ex-assign": 2,
+    "no-extra-boolean-cast": 2,
+    "no-extra-parens": [2,"functions"],
+    "no-extra-semi": 2,
+    "no-func-assign": 2,
+    "no-inner-declarations": [1,"both"],
+    "no-invalid-regexp": 2,
+    "no-irregular-whitespace": 2,
+    "no-negated-in-lhs": 2,
+    "no-obj-calls": 2,
+    "no-regex-spaces": 2,
+    "no-sparse-arrays": 2,
+    "no-unreachable": 2,
+    "use-isnan": 2,
+    "valid-typeof": 2,
+    "no-unexpected-multiline": 2,
+    "block-scoped-var": 1,
+    "complexity": [2,5],
+    "curly": [2,"all"],
+    "default-case": 1,
+    "dot-notation": [1,{"allowKeywords":false}],
+    "dot-location": [1,"property"],
+    "eqeqeq": 2,
+    "no-alert": 2,
+    "no-caller": 2,
+    "no-else-return": 2,
+    "no-eq-null": 2,
+    "no-eval": 2,
+    "no-extend-native": 2,
+    "no-extra-bind": 2,
+    "no-fallthrough": 2,
+    "no-floating-decimal": 2,
+    "no-implicit-coercion": [2,{"boolean":true,"number":true,"string":true}],
+    "no-implied-eval": 2,
+    "no-invalid-this": 2,
+    "no-iterator": 2,
+    "no-labels": 2,
+    "no-lone-blocks": 2,
+    "no-loop-func": 1,
+    "no-multi-spaces": ["error",{"exceptions": {"Property":true,"AssignmentExpression":true,"BinaryExpression":false,"VariableDeclarator":true,"ImportDeclaration":true}}],
+    "no-native-reassign": 2,
+    "no-new-func": 2,
+    "no-new-wrappers": 2,
+    "no-new": 2,
+    "no-octal-escape": 2,
+    "no-octal": 2,
+    "no-param-reassign": 1,
+    "no-proto": 2,
+    "no-redeclare": [2,{"builtinGlobals":true}],
+    "no-return-assign": [2,"always"],
+    "no-script-url": 2,
+    "no-self-compare": 2,
+    "no-sequences": 2,
+    "no-throw-literal": 2,
+    "no-unused-expressions": 2,
+    "no-useless-call": 1,
+    "no-void": 2,
+    "no-with": 2,
+    "yoda": [2,"never",{}],
+    "no-catch-shadow": 2,
+    "no-delete-var": 2,
+    "no-label-var": 2,
+    "no-shadow-restricted-names": 2,
+    "no-shadow": [2,{"builtinGlobals":true,"hoist":"all"}],
+    "no-undef": 2,
+    "no-undefined": 2,
+    "no-unused-vars": 2,
+    "no-use-before-define": 2,
+    "callback-return": 1,
+    "handle-callback-err": 1,
+    "no-new-require": 2,
+    "no-path-concat": 2,
+    "no-process-exit": 1,
+    "no-sync": 1,
+    "array-bracket-spacing": [2,"never",{}]
+  },
+
+  "globals": {
+    "$": false,
+    "angular": false,
+    "beforeEach": false,
+    "browser": false,
+    "browserify": false,
+    "Buffer": false,
+    "couch": false,
+    "define": true,
+    "devel": false,
+    "dojo": false,
+    "describe": false,
+    "expect": false,
+    "it": false,
+    "jasmine": false,
+    "jquery": false,
+    "mocha": false,
+    "mootools": false,
+    "node": false,
+    "module": false,
+    "nonstandard": false,
+    "proccess": false,
+    "prototypejs": false,
+    "qunit": false,
+    "require": false,
+    "requirejs": false,
+    "rhino": false,
+    "runs": false,
+    "shelljs": false,
+    "spyOn": false,
+    "typed": false,
+    "waits": false,
+    "waitsFor": false,
+    "worker": false,
+    "wsh": false,
+    "yui": false
+  }
+}

.gitignore

@@ -35,3 +35,4 @@ jspm_packages
 
 # Optional REPL history
 .node_repl_history
+build/

app.js

@@ -0,0 +1,27 @@
+'use strict';
+
+'use latest';
+
+const contact = require('./lib/contact');
+
+function task(context, callback) {
+    return contact.validateParams(context)
+        .then(() => {
+            return contact.validateForm(context);
+        })
+        .then(() => {
+            return contact.sendMail(contact.createMessage(context), context);
+        })
+        .then((info) => {
+            console.info('Message sent: ' + info.response);
+            return callback(null, {
+                message: 'We\'ve received your message and we\'ll contact you very soon!'
+            });
+        })
+        .catch((err) => {
+            console.error(err);
+            return callback('There was a problem sending your message. Please try again in a few minutes');
+        });
+}
+
+module.exports = task;

lib/contact.js

@@ -0,0 +1,118 @@
+'use strict';
+
+'use latest';
+
+const nodemailer      = require('nodemailer');
+const disposableEmail = require('temporary-email-address-validator');
+const emailValidator  = require('email-validator');
+const request         = require('request-promise');
+const Q               = require('q');
+
+function isNotDefined(something) {
+    return typeof something === 'undefined' || something === null || something === '';
+}
+
+function isEmailValid(email) {
+    return emailValidator.validate(email) && disposableEmail.validate(email);
+}
+
+function validateParams(context) {
+    return Q.fcall(() => {
+        let secrets = ['SMTP_PORT', 'SMTP_HOST', 'SMTP_SECURE', 'SMTP_REQUIRE_TLS', 'SMTP_USER',
+            'SMTP_PASS', 'MAIL_TO', 'RECAPTCHA_URL', 'RECAPTCHA_SECRET'];
+
+        secrets.forEach((secret) => {
+            if (isNotDefined(context.data[secret])) {
+                throw new Error('Secret ' + secret + ' is missing');
+            }
+        });
+    });
+}
+
+function validateForm(context) {
+
+    return Q.fcall(() => {
+        if (isNotDefined(context.data['g-recaptcha-response'])) {
+            console.error('Captcha is invalid');
+            throw new Error('Sorry, there was a problem validating that you\'re a human!');
+        }
+    })
+        .then(function() {
+            return request({
+                method: 'POST',
+                url:    context.data.RECAPTCHA_URL,
+                qs:     {
+                    secret:   context.data.RECAPTCHA_SECRET,
+                    response: context.data['g-recaptcha-response']
+                },
+                json: true
+            });
+        })
+        .catch((err) => {
+            console.error(err);
+            throw new Error('Sorry, there was a problem validating that you\'re a human!');
+        })
+        .then((response) => {
+            if (!response.success) {
+                console.error('Invalid Captcha');
+                throw new Error('Sorry, there was a problem validating that you\'re a human!');
+            }
+        })
+        .then(() => {
+            if (isNotDefined(context.data.name)) {
+                console.error('Name is undefined');
+                throw new Error('Sorry, you need to enter a name.');
+            }
+
+            if (isNotDefined(context.data.email)) {
+                console.error('Email is undefined');
+                throw new Error('Sorry, you need to enter a valid email.');
+            } else if (!isEmailValid(context.data.email)) {
+                console.error('Email is invalid');
+                throw new Error('Sorry, you need to enter a valid email.');
+            }
+        });
+}
+
+function createMessage(context) {
+    let text = 'Message received from the website\'s contact form:\n\n';
+
+    text = text.concat('Name: ' + context.data.name + '\n');
+    text = text.concat('Email: ' + context.data.email + '\n');
+    text = text.concat('Company: ' + context.data.company + '\n');
+    text = text.concat('Phone: ' + context.data.phone + '\n\n');
+    text = text.concat('Message: ' + context.data.message);
+
+    return text;
+}
+
+function sendMail(message, context) {
+    let transporter = nodemailer.createTransport({
+        port:       parseInt(context.data.SMTP_PORT),
+        host:       context.data.SMTP_HOST,
+        secure:     Boolean(context.data.SMTP_SECURE),
+        requireTLS: Boolean(context.data.SMTP_REQUIRE_TLS),
+        auth:       {
+            user: context.data.SMTP_USER,
+            pass: context.data.SMTP_PASS
+        }
+    });
+
+    let mailOptions = {
+        from:    context.data.name + ' <' + context.data.email + '>',
+        to:      context.data.MAIL_TO,
+        subject: 'Contact message from the web!',
+        text:    message
+    };
+
+    return transporter.sendMail(mailOptions);
+}
+
+module.exports = {
+    isNotDefined:   isNotDefined,
+    isEmailValid:   isEmailValid,
+    validateParams: validateParams,
+    validateForm:   validateForm,
+    createMessage:  createMessage,
+    sendMail:       sendMail
+};

package.json

@@ -0,0 +1,26 @@
+{
+  "name": "webtask-contact-form",
+  "version": "1.0.0",
+  "description": "A node.js server side form to receive emails from a contact-form in a web",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/systemdevs/webtask-contact-form.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/systemdevs/webtask-contact-form/issues"
+  },
+  "homepage": "https://github.com/systemdevs/webtask-contact-form#README",
+  "dependencies": {
+    "email-validator": "^1.0.7",
+    "nodemailer": "^2.6.4",
+    "request": "^2.78.0",
+    "request-promise": "^4.1.1",
+    "temporary-email-address-validator": "^1.0.3"
+  }
+}