Add foreign IP login notifications

app/services/activity.service.js

@@ -0,0 +1,45 @@
+const { Service } = require('flitter-di')
+
+class ActivityService extends Service {
+    static get services() { return ['models', 'jobs'] }
+
+    model() {
+        return this.models.get('Activity')
+    }
+
+    async login(req) {
+        const Activity = this.model()
+        const activity = new Activity({
+            user_id: req.session.auth.user_id,
+            session_id: req.session.id,
+            action: 'login',
+            metadata: {
+                ip: req.ip
+            }
+        })
+
+        // If this is a new IP login, send an e-mail alert
+        const foreign_ip = await this.foreign_login_ip(req.session.auth.user_id, req.ip)
+        if ( foreign_ip ) {
+            await this.jobs.queue('notifications').add('ForeignIPLoginAlert', {
+                ip: req.ip,
+                user_id: req.session.auth.user_id,
+            })
+        }
+
+        await activity.save()
+    }
+
+    async foreign_login_ip(user_id, ip) {
+        const Activity = this.model()
+        const existing_ip = await Activity.findOne({
+            user_id,
+            action: 'login',
+            'metadata.ip': ip,
+        })
+
+        return !existing_ip
+    }
+}
+
+module.exports = exports = ActivityService