sharing and UX improvements

app/controllers/api/v1.controller.js

@@ -38,9 +38,22 @@ class v1 {
                 error: 'Missing data.'
             })
         }
-
-        const data = JSON.parse(req.body.data)
-
+        
+        let data
+        try {
+            data = JSON.parse(req.body.data)
+        }
+        catch (e){
+            return res.status(400).send({
+                success: false,
+                error: 'Invalid JSON.'
+            })
+        }
+        
+        if ( !data.brief ){
+            data.brief = 'Breakpoint. (No Message.)'
+        }
+        
         const out = new Out({
             brief: data.brief,
             data: JSON.stringify(data.data),
@@ -55,4 +68,4 @@ class v1 {
     }
 }
 
-module.exports = exports = v1
+module.exports = exports = v1