From 0ac43ce0e5a058330d491094797b1b0e21917e2d Mon Sep 17 00:00:00 2001
From: Mark van Renswoude <mark@x2software.net>
Date: Sat, 28 Apr 2018 15:00:30 +0200
Subject: [PATCH] Implemented email notifications

---
 config.example.js                     |   21 +
 emails/uploadnotification/html.ejs    |   33 +
 emails/uploadnotification/subject.ejs |    1 +
 index.js                              |    5 +
 lib/api/upload.js                     |    5 +
 lib/repository/index.js               |    2 +
 lib/repository/notification.js        |  123 +++
 lib/workers/notification.js           |  123 +++
 package-lock.json                     | 1190 ++++++++++++++++++++++---
 package.json                          |    4 +
 10 files changed, 1394 insertions(+), 113 deletions(-)
 create mode 100644 emails/uploadnotification/html.ejs
 create mode 100644 emails/uploadnotification/subject.ejs
 create mode 100644 lib/repository/notification.js
 create mode 100644 lib/workers/notification.js

diff --git a/config.example.js b/config.example.js
index 12071db..d8fe645 100644
--- a/config.example.js
+++ b/config.example.js
@@ -22,5 +22,26 @@ module.exports = {
     // If a collision occurs, a new code will be generated and tested again for up to 100 times.
     alphabet: '1234567890abcdef',
     length: 8
+  },
+
+  notifications: {
+    interval: 10,
+    maxAttempt: 12,
+    adminUrl: 'http://localhost:3001/admin/',
+
+    mail: {
+      from: '"Recv" <recv@localhost>',
+
+      transport: {
+        // passed directly to NodeMailer's createTransport. See nodemailer.com for more information.
+        host: 'smtp.ethereal.email',
+        port: 587,
+        secure: false,
+        auth: {
+          user: 'recv',
+          pass: 'test'
+        }
+      }
+    }
   }
 };
\ No newline at end of file
diff --git a/emails/uploadnotification/html.ejs b/emails/uploadnotification/html.ejs
new file mode 100644
index 0000000..897d53c
--- /dev/null
+++ b/emails/uploadnotification/html.ejs
@@ -0,0 +1,33 @@
+<%
+function humanFileSize(bytes, si)
+{
+  var thresh = si ? 1000 : 1024;
+  if(Math.abs(bytes) < thresh)
+  {
+    return bytes + ' B';
+  }
+
+  var units = si
+    ? ['kB','MB','GB','TB','PB','EB','ZB','YB']
+    : ['KiB','MiB','GiB','TiB','PiB','EiB','ZiB','YiB'];
+  var u = -1;
+
+  do
+  {
+    bytes /= thresh;
+    ++u;
+  }
+  while(Math.abs(bytes) >= thresh && u < units.length - 1);
+
+  return bytes.toFixed(1) + ' ' + units[u];
+}
+%>
+<p>Hello <%= user.name %>,</p>
+<p>The following files have just been uploaded:</p>
+<ul>
+  <% upload.files.forEach((file) => { %>
+    <li><%= file.name %> (<%= humanFileSize(file.size, true) %>)</li>
+  <% }) %>
+</ul>
+<p>You can download these files by logging in to <a href="<%= adminUrl %>"><%= adminUrl %></a></p>
+<p>Cheers,<br />Recv</p>
\ No newline at end of file
diff --git a/emails/uploadnotification/subject.ejs b/emails/uploadnotification/subject.ejs
new file mode 100644
index 0000000..32d1674
--- /dev/null
+++ b/emails/uploadnotification/subject.ejs
@@ -0,0 +1 @@
+📄 File upload notification
\ No newline at end of file
diff --git a/index.js b/index.js
index 5d56853..7890c80 100644
--- a/index.js
+++ b/index.js
@@ -2,6 +2,7 @@
 
 const config = require('./config');
 const Repository = require('./lib/repository');
+const NotificationWorker = require('./lib/workers/notification');
 
 const _ = require('lodash');
 const fs = require('fs');
@@ -96,6 +97,10 @@ const webpackConfig = require('./webpack.config.js');
     app.get('/admin', (req, res) => { res.redirect(301, '/#/admin/') });
 
 
+    // Background workers
+    var notificationWorker = new NotificationWorker(repository);
+    notificationWorker.start(config.notifications.interval * 1000);
+
 
     var server = app.listen(config.port, () => console.log('Recv running on port ' + server.address().port));
   }
diff --git a/lib/api/upload.js b/lib/api/upload.js
index 99409bf..d932e2e 100644
--- a/lib/api/upload.js
+++ b/lib/api/upload.js
@@ -106,6 +106,11 @@ module.exports = (repository, tusServer) =>
         }
 
         var uploadId = await repository.uploads.insert(decoded.codeUserId, decoded.code, req.body.files, expiration);
+        await repository.notifications.insert({
+          userId: decoded.codeUserId,
+          uploadId: uploadId
+        });
+
         res.send({ id: uploadId });
       });
     });
diff --git a/lib/repository/index.js b/lib/repository/index.js
index 545215a..f2cf610 100644
--- a/lib/repository/index.js
+++ b/lib/repository/index.js
@@ -7,6 +7,7 @@ const Datastore = require('nedb');
 const UserRepository = require('./user').UserRepository;
 const CodeRepository = require('./code').CodeRepository;
 const UploadRepository = require('./upload').UploadRepository;
+const NotificationRepository = require('./notification').NotificationRepository;
 
 
 class Repository
@@ -46,6 +47,7 @@ class Repository
         self.users = new UserRepository(initStore('user.db'));
         self.codes = new CodeRepository(initStore('code.db'));
         self.uploads = new UploadRepository(initStore('upload.db'));
+        self.notifications = new NotificationRepository(initStore('notification.db'));
 
         self.users.init()
           .then(() => { resolve() })
diff --git a/lib/repository/notification.js b/lib/repository/notification.js
new file mode 100644
index 0000000..1650aad
--- /dev/null
+++ b/lib/repository/notification.js
@@ -0,0 +1,123 @@
+const _ = require('lodash');
+
+
+class Notification
+{
+  constructor(values)
+  {
+    var self = this;
+
+    self.id = values.id || values._id || null;
+    self.userId = values.userId || null;
+    self.uploadId = values.uploadId || null;
+    self.attempt = values.attempt || 0;
+  }
+}
+
+
+class NotificationRepository
+{
+  constructor(store)
+  {
+    var self = this;
+    self.store = store;
+  }
+
+
+  list()
+  {
+    var self = this;
+
+    return new Promise((resolve, reject) =>
+    {
+      self.store.find({}, (err, docs) =>
+      {
+        if (err)
+        {
+          reject(err);
+          return;
+        }
+
+        resolve(_.map(docs, (doc) => new Notification(doc)));
+      });
+    });
+  }
+
+
+  insert(notification)
+  {
+    var self = this;
+
+    return new Promise((resolve, reject) =>
+    {
+      self.store.insert({
+        userId: notification.userId,
+        uploadId: notification.uploadId,
+        attempt: notification.attempt
+      }, (err, dbNotification) =>
+      {
+        if (err)
+        {
+          reject(err);
+          return;
+        }
+
+        resolve(dbNotification._id);
+      });
+    });
+  }
+
+
+  update(notification)
+  {
+    var self = this;
+
+    return new Promise((resolve, reject) =>
+    {
+      self.store.update({ _id: notification.id }, { $set: {
+        attempt: notification.attempt
+      }},
+        (err, numAffected) =>
+        {
+          if (err)
+          {
+            reject(err);
+            return;
+          }
+
+          if (numAffected == 0)
+          {
+            reject();
+          }
+
+          resolve();
+        });
+    });
+  }
+
+
+  delete(notificationId)
+  {
+    var self = this;
+
+    return new Promise((resolve, reject) =>
+    {
+      self.store.remove({ _id: notificationId }, (err, numRemoved) =>
+      {
+        if (err)
+        {
+          reject(err);
+          return;
+        }
+
+        resolve();
+      });
+    });
+  }
+}
+
+
+module.exports = {
+  Notification,
+  NotificationRepository
+}
\ No newline at end of file
diff --git a/lib/workers/notification.js b/lib/workers/notification.js
new file mode 100644
index 0000000..a10c142
--- /dev/null
+++ b/lib/workers/notification.js
@@ -0,0 +1,123 @@
+const config = require('../../config');
+const async = require('async');
+const nodemailer = require('nodemailer');
+const Email = require('email-templates');
+
+
+class NotificationWorker
+{
+  constructor(repository)
+  {
+    this.repository = repository;
+  }
+
+
+  start(interval)
+  {
+    var self = this;
+
+    self.stop();
+    self.timer = setInterval(async () =>
+    {
+      if (self.ticking)
+        return;
+
+      self.ticking = true;
+      await self.tick();
+      self.ticking = false;
+    }, interval);
+  }
+
+
+  stop()
+  {
+    var self = this;
+    if (self.timer)
+    {
+      clearInterval(self.timer);
+      self.timer = null;
+    }
+  }
+
+
+  async tick()
+  {
+    var self = this;
+
+    var notifications = await self.repository.notifications.list();
+    return new Promise((resolve, reject) =>
+    {
+      async.eachOfSeries(notifications,
+        async (item) => { await self.sendNotification(item) },
+        (err) =>
+        {
+          if (err)
+            reject(err);
+          else
+            resolve();
+        });
+    })
+  }
+
+
+  async sendNotification(notification)
+  {
+    let self = this;
+    let user = await self.repository.users.get(notification.userId);
+    if (user === null || !user.email)
+      return;
+
+    let upload = await self.repository.uploads.get(notification.uploadId);
+    if (upload === null)
+      return;
+
+    return new Promise((resolve, reject) =>
+    {
+      const email = new Email({
+        message: {
+          from: config.notifications.mail.from
+        },
+
+        send: true,
+        preview: false,
+        transport: nodemailer.createTransport(config.notifications.mail.transport),
+        views: {
+          options: {
+            extension: 'ejs'
+          }
+        }
+      });
+
+      email
+        .send({
+          template: 'uploadnotification',
+          message: {
+            to: user.email
+          },
+          locals: {
+            user: user,
+            upload: upload,
+            adminUrl: config.notifications.adminUrl
+          }
+        })
+        .then(async () =>
+        {
+          await self.repository.notifications.delete(notification.id);
+          console.log('Notification sent to: ' + user.email + ' for upload ID: ' + upload.id);
+          resolve();
+        })
+        .catch(async (error) =>
+        {
+          notification.attempt++;
+          if (notification.attempt > config.notifications.maxAttempts)
+            await self.repository.notifications.delete(notification.id);
+          else
+            await self.repository.notifications.update(notification);
+
+          resolve();
+        });
+    });
+  }
+}
+
+module.exports = NotificationWorker;
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 1bb4f01..c813def 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,12 +30,57 @@
       "resolved": "https://registry.npmjs.org/@fortawesome/vue-fontawesome/-/vue-fontawesome-0.0.22.tgz",
       "integrity": "sha512-KKQ1hVTWkXRaSGVMNI/dZsznVJIZ8dqLA2J6X8nZAIg7F2Gs1zIzBC9qxOKm+gktFAJU2aCCR7BTCoZIdjvGNw=="
     },
+    "@ladjs/i18n": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/@ladjs/i18n/-/i18n-0.2.0.tgz",
+      "integrity": "sha512-e9gkXFmpoAJfX4louxiX07Yawv8vNEoxvekK0AYWK2HKOFNSNxeJKjNJ80B6CKt1z42P7AESFw17TIsMUMwSqg==",
+      "requires": {
+        "auto-bind": "1.2.0",
+        "boolean": "0.1.3",
+        "boom": "5.2.0",
+        "country-language": "0.1.7",
+        "i18n": "0.8.3",
+        "i18n-locales": "0.0.2",
+        "lodash": "4.17.5",
+        "moment": "2.22.1",
+        "qs": "6.5.1",
+        "underscore.string": "3.3.4"
+      },
+      "dependencies": {
+        "boom": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/boom/-/boom-5.2.0.tgz",
+          "integrity": "sha512-Z5BTk6ZRe4tXXQlkqftmsAUANpXmuwlsF5Oov8ThoMbQRzdGTA1ngYRW160GexgOgjsFOKJz0LYhoNi+2AMBUw==",
+          "requires": {
+            "hoek": "4.2.1"
+          }
+        },
+        "hoek": {
+          "version": "4.2.1",
+          "resolved": "https://registry.npmjs.org/hoek/-/hoek-4.2.1.tgz",
+          "integrity": "sha512-QLg82fGkfnJ/4iy1xZ81/9SIJiq1NGFUMGs6ParyjBZr6jW2Ufj/snDqTHixNlHdPNwN2RLVD0Pi3igeK9+JfA=="
+        }
+      }
+    },
     "@sindresorhus/is": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-0.7.0.tgz",
       "integrity": "sha512-ONhaKPIufzzrlNbqtWFFd+jlnemX6lJAgq9ZeiZtS7I1PIf/la7CW4m83rTXRnVnsMbW2k56pGYu7AUFJD9Pow==",
       "dev": true
     },
+    "@types/babel-types": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/@types/babel-types/-/babel-types-7.0.1.tgz",
+      "integrity": "sha512-EkcOk09rjhivbovP8WreGRbXW20YRfe/qdgXOGq3it3u3aAOWDRNsQhL/XPAWFF7zhZZ+uR+nT+3b+TCkIap1w=="
+    },
+    "@types/babylon": {
+      "version": "6.16.2",
+      "resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.2.tgz",
+      "integrity": "sha512-+Jty46mPaWe1VAyZbfvgJM4BAdklLWxrT5tc/RjvCgLrtk6gzRY6AOnoWFv4p6hVxhJshDdr2hGVn56alBp97Q==",
+      "requires": {
+        "@types/babel-types": "7.0.1"
+      }
+    },
     "@types/body-parser": {
       "version": "1.16.8",
       "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.16.8.tgz",
@@ -117,6 +162,21 @@
         "acorn": "5.5.3"
       }
     },
+    "acorn-globals": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-3.1.0.tgz",
+      "integrity": "sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=",
+      "requires": {
+        "acorn": "4.0.13"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "4.0.13",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+          "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c="
+        }
+      }
+    },
     "after": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
@@ -140,12 +200,51 @@
       "integrity": "sha1-rCsnk5xUPpXSwG5/f1wnvkqlQ74=",
       "dev": true
     },
+    "align-text": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
+      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
+      "requires": {
+        "kind-of": "3.2.2",
+        "longest": "1.0.1",
+        "repeat-string": "1.6.1"
+      },
+      "dependencies": {
+        "kind-of": {
+          "version": "3.2.2",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+          "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+          "requires": {
+            "is-buffer": "1.1.6"
+          }
+        }
+      }
+    },
     "alphanum-sort": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/alphanum-sort/-/alphanum-sort-1.0.2.tgz",
       "integrity": "sha1-l6ERlkmyEa0zaR2fn0hqjsn74KM=",
       "dev": true
     },
+    "ambi": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/ambi/-/ambi-2.5.0.tgz",
+      "integrity": "sha1-fI43K+SIkRV+fOoBy2+RQ9H3QiA=",
+      "requires": {
+        "editions": "1.3.4",
+        "typechecker": "4.5.0"
+      },
+      "dependencies": {
+        "typechecker": {
+          "version": "4.5.0",
+          "resolved": "https://registry.npmjs.org/typechecker/-/typechecker-4.5.0.tgz",
+          "integrity": "sha512-bqPE/ck3bVIaXP7gMKTKSHrypT32lpYTpiqzPYeYzdSQnmaGvaGhy7TnN/M/+5R+2rs/kKcp9ZLPRp/Q9Yj+4w==",
+          "requires": {
+            "editions": "1.3.4"
+          }
+        }
+      }
+    },
     "amdefine": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
@@ -293,8 +392,7 @@
     "asap": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
-      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY=",
-      "dev": true
+      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
     },
     "asn1": {
       "version": "0.2.3",
@@ -324,8 +422,7 @@
     "assert-plus": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.2.0.tgz",
-      "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ=",
-      "dev": true
+      "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ="
     },
     "assign-symbols": {
       "version": "1.0.0",
@@ -390,6 +487,11 @@
       "integrity": "sha512-y/+ek8IjxVpTbj/phC87jK5YRhlP5Uu7FlQdCmYuut1DTjNruyrGqUWi5bcX1VKsQX1B0FX16A1hqHomKpHv3A==",
       "dev": true
     },
+    "auto-bind": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/auto-bind/-/auto-bind-1.2.0.tgz",
+      "integrity": "sha512-Zw7pZp7tztvKnWWtoII4AmqH5a2PV3ZN5F0BPRTGcc1kpRm4b6QXQnPU7Znbl6BfPfqOVOV29g4JeMqZQaqqOA=="
+    },
     "autoprefixer": {
       "version": "6.7.7",
       "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-6.7.7.tgz",
@@ -407,8 +509,7 @@
     "aws-sign2": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.6.0.tgz",
-      "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8=",
-      "dev": true
+      "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8="
     },
     "aws4": {
       "version": "1.6.0",
@@ -1246,7 +1347,6 @@
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
       "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
-      "dev": true,
       "requires": {
         "core-js": "2.5.3",
         "regenerator-runtime": "0.11.1"
@@ -1255,8 +1355,7 @@
         "core-js": {
           "version": "2.5.3",
           "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.3.tgz",
-          "integrity": "sha1-isw4NFgk8W2DZbfJtCWRaOjtYD4=",
-          "dev": true
+          "integrity": "sha1-isw4NFgk8W2DZbfJtCWRaOjtYD4="
         }
       }
     },
@@ -1319,7 +1418,6 @@
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
       "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
-      "dev": true,
       "requires": {
         "babel-runtime": "6.26.0",
         "esutils": "2.0.2",
@@ -1478,8 +1576,7 @@
     "bluebird": {
       "version": "3.5.1",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
-      "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA==",
-      "dev": true
+      "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA=="
     },
     "bn.js": {
       "version": "4.11.8",
@@ -1646,14 +1743,17 @@
     "boolbase": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",
-      "integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24=",
-      "dev": true
+      "integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24="
+    },
+    "boolean": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/boolean/-/boolean-0.1.3.tgz",
+      "integrity": "sha512-G6TadQPFofmOhzkzgtVSOYaosjpnPyVCDeZ4J7oPF74OmhM2++fXUdwu7NULTwgntK5KIMcls1UslwAY2btL6g=="
     },
     "boom": {
       "version": "2.10.1",
       "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
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@@ -14590,6 +15398,15 @@
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@@ -14843,6 +15659,11 @@
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-      "dev": true
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@@ -16925,6 +17745,11 @@
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@@ -16955,6 +17780,12 @@
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@@ -17012,6 +17843,20 @@
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@@ -17086,6 +17931,11 @@
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@@ -17384,6 +18239,11 @@
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@@ -17485,6 +18345,81 @@
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+        "chalk": "1.1.3",
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+        "lodash.unescape": "4.0.1",
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+          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
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+          "integrity": "sha1-G9+HrMoPP55T+k/M6w9LTLsAszg=",
+          "requires": {
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+            "domutils": "1.5.1",
+            "entities": "1.1.1",
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@@ -18048,7 +18983,6 @@
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@@ -18079,6 +19013,32 @@
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+      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
+      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0="
+    },
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+      "resolved": "https://registry.npmjs.org/with/-/with-5.1.1.tgz",
+      "integrity": "sha1-+k2qktrzLE6pTtRTyB8EaGtXXf4=",
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+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo="
+        }
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+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
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@@ -18137,6 +19097,11 @@
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+      "integrity": "sha1-UqY+VsoLhKfzpfPWGHLxJq16WUM="
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@@ -18151,8 +19116,7 @@
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-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
-      "dev": true
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diff --git a/package.json b/package.json
index e7f6055..7b16860 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,8 @@
     "cookie-parser": "^1.4.3",
     "debug": "^3.1.0",
     "diskusage": "^0.2.4",
+    "ejs": "^2.5.9",
+    "email-templates": "^3.6.0",
     "express": "^4.16.3",
     "express-async-handler": "^1.1.2",
     "js-cookie": "^2.2.0",
@@ -36,7 +38,9 @@
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     "nedb": "^1.8.0",
+    "nodemailer": "^4.6.4",
     "npm": "^5.8.0",
+    "pug": "^2.0.3",
     "resolve-path": "^1.4.0",
     "tus-node-server": "^0.2.10"
   },