feat(user): Report profiles

This adds a simple email-based mechanism to report profiles for
abuse. An email with text from the report is sent to Free Code
Camp's support account with the reporter's account in copy. This
also adds the reporter's details to the report for follow ups.

server/boot/user.js

@@ -12,7 +12,8 @@ import {
 import certTypes from '../utils/certTypes.json';
 import {
   ifNoUser401,
-  ifNoUserRedirectTo
+  ifNoUserRedirectTo,
+  ifNotVerifiedRedirectToSettings
 } from '../utils/middleware';
 import { observeQuery } from '../utils/rx';
 import {
@@ -140,6 +141,7 @@ module.exports = function(app) {
   const api = app.loopback.Router();
   const User = app.models.User;
   const Block = app.models.Block;
+  const { Email } = app.models;
   const map$ = cachedMap(Block);
   function findUserByUsername$(username, fields) {
     return observeQuery(
@@ -223,6 +225,18 @@ module.exports = function(app) {
   );
 
   router.get('/:username', showUserProfile);
+  router.get(
+    '/:username/report-user/',
+    sendNonUserToMap,
+    ifNotVerifiedRedirectToSettings,
+    getReportUserProfile
+  );
+
+  api.post(
+    '/:username/report-user/',
+    ifNoUser401,
+    postReportUserProfile
+  );
 
   app.use('/:lang', router);
   app.use(api);
@@ -631,4 +645,55 @@ module.exports = function(app) {
       return res.render('account/forgot');
     });
   }
+
+  function getReportUserProfile(req, res) {
+    const username = req.params.username.toLowerCase();
+    return res.render('account/report-profile', {
+      title: 'Report User',
+      username
+    });
+  }
+
+  function postReportUserProfile(req, res, next) {
+    const { user } = req;
+    const { username } = req.params;
+    const report = req.sanitize('reportDescription').trimTags();
+
+    if (!username || !report || report === '') {
+      req.flash('errors', {
+        msg: 'Oops, something is not right please re-check your submission.'
+      });
+      return next();
+    }
+
+    return Email.send$({
+      type: 'email',
+      to: 'Team@FreeCodeCamp.com',
+      cc: user.email,
+      from: 'Team@FreeCodeCamp.com',
+      subject: 'Abuse Report : Reporting ' + username + '\'s profile.',
+      text: dedent(`
+        Hello Team,\n
+        This is to report the profile of ${username}.\n
+        Report Details:\n
+        ${report}\n\n
+        Reported by:
+        Username: ${user.username}
+        Name: ${user.name}
+        Email: ${user.email}\n
+        Thanks and regards,
+        ${user.name}
+      `)
+    }, err => {
+      if (err) {
+        err.redirectTo = '/' + username;
+        return next(err);
+      }
+
+      req.flash('info', {
+        msg: 'A report was sent to the team with ' + user.email + ' in copy.'
+      });
+      return res.redirect('/');
+    });
+  }
 };