Fairly basic implementation of adding a server. Does not actually do anything yet.

Pushing this for commit sake.

app/Exceptions/DisplayValidationException.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Pterodactyl\Exceptions;
+
+class DisplayValidationException extends \Exception
+{
+    //
+}

app/Http/Controllers/Admin/ServersController.php

@@ -54,8 +54,16 @@ class ServersController extends Controller
 
     public function postNewServer(Request $request)
     {
-        Server::addServer($request->all());
+
+        try {
+            $resp = Server::addServer($request->all());
+            echo $resp . '<br />';
+        } catch (\Exception $e) {
+            Debugbar::addException($e);
+        }
+
         return json_encode($request->all());
+
     }
 
     /**

app/Models/Server.php

@@ -3,14 +3,16 @@
 namespace Pterodactyl\Models;
 
 use Auth;
-use Validator;
+use DB;
 use Debugbar;
+use Validator;
 
 use Pterodactyl\Exceptions\DisplayException;
 use Pterodactyl\Exceptions\AccountNotFoundException;
-use Pterodactyl\Models\User;
-use Pterodactyl\Models\Permission;
-use Pterodactyl\Models\Subuser;
+use Pterodactyl\Exceptions\DisplayValidationException;
+
+use Pterodactyl\Models;
+
 use Illuminate\Database\Eloquent\Model;
 
 class Server extends Model
@@ -48,6 +50,18 @@ class Server extends Model
         self::$user = Auth::user();
     }
 
+    protected static function generateSFTPUsername($name)
+    {
+
+        $name = preg_replace('/\s+/', '', $name);
+        if (strlen($name) > 6) {
+            return strtolower('ptdl-' . substr($name, 0, 6) . '_' . str_random(5));
+        }
+
+        return strtolower('ptdl-' . $name . '_' . str_random((11 - strlen($name))));
+
+    }
+
     /**
      * Determine if we need to change the server's daemonSecret value to
      * match that of the user if they are a subuser.
@@ -62,7 +76,7 @@ class Server extends Model
             return $server->daemonSecret;
         }
 
-        $subuser = Subuser::where('server_id', $server->id)->where('user_id', self::$user->id)->first();
+        $subuser = Models\Subuser::where('server_id', $server->id)->where('user_id', self::$user->id)->first();
 
         if (is_null($subuser)) {
             return null;
@@ -87,7 +101,7 @@ class Server extends Model
                     ->where('active', 1);
 
         if (self::$user->root_admin !== 1) {
-            $query->whereIn('servers.id', Subuser::accessServers());
+            $query->whereIn('servers.id', Models\Subuser::accessServers());
         }
 
         return $query->get();
@@ -110,7 +124,7 @@ class Server extends Model
         $query = self::where('uuidShort', $uuid)->where('active', 1);
 
         if (self::$user->root_admin !== 1) {
-            $query->whereIn('servers.id', Subuser::accessServers());
+            $query->whereIn('servers.id', Models\Subuser::accessServers());
         }
 
         $result = $query->first();
@@ -154,7 +168,7 @@ class Server extends Model
         // Validate Fields
         $validator = Validator::make($data, [
             'owner' => 'required|email|exists:users,email',
-            'node' => 'required|numeric|min:1',
+            'node' => 'required|numeric|min:1|exists:nodes,id',
             'name' => 'required|regex:([\w -]{4,35})',
             'memory' => 'required|numeric|min:1',
             'disk' => 'required|numeric|min:1',
@@ -167,14 +181,60 @@ class Server extends Model
             'custom_image_name' => 'required_if:use_custom_image,on',
         ]);
 
-        // @TODO: Have this return a JSON response.
+        // Run validator, throw catchable and displayable exception if it fails.
+        // Exception includes a JSON result of failed validation rules.
         if ($validator->fails()) {
-            foreach($validator->errors()->all() as $error) {
-                Debugbar::info($error);
+            throw new DisplayValidationException(json_encode($validator->errors()->all()));
+        }
+
+        // Get the User ID; user exists since we passed the 'exists:users,email' part of the validation
+        $user = Models\User::select('id')->where('email', $data['owner'])->first();
+
+        // Verify IP & Port are a.) free and b.) assigned to the node.
+        // We know the node exists because of 'exists:nodes,id' in the validation
+        $node = Models\Node::find($data['node']);
+        $allocation = Models\Allocation::where('ip', $data['ip'])->where('port', $data['port'])->where('node', $data['node'])->whereNull('assigned_to')->first();
+
+        // Something failed in the query, either that combo doesn't exist, or it is in use.
+        if (!$allocation) {
+            throw new DisplayException('The selected IP/Port combination (' . $data['ip'] . ':' . $data['port'] . ') is either already in use, or unavaliable for this node.');
+        }
+
+        // Validate those Service Option Variables
+        // We know the service and option exists because of the validation.
+        // We need to verify that the option exists for the service, and then check for
+        // any required variable fields. (fields are labeled env_<env_variable>)
+        $option = Models\ServiceOptions::where('id', $data['option'])->where('parent_service', $data['service'])->first();
+        if (!$option) {
+            throw new DisplayException('The requested service option does not exist for the specified service.');
+        }
+
+        // Check those Variables
+        $variables = Models\ServiceVariables::where('option_id', $data['option'])->get();
+        if ($variables) {
+            foreach($variables as $variable) {
+
+                // Is the variable required?
+                if (!$data['env_' . $variable->env_variable]) {
+                    if ($variable->required === 1) {
+                        throw new DisplayException('A required service option variable field (env_' . $variable->env_variable . ') was missing from the request.');
+                    }
+
+                    $data['env_' . $variable->env_variable] = $variable->default_value;
+                    continue;
+                }
+
+                // Check aganist Regex Pattern
+                if (!is_null($variable->regex) && !preg_match($variable->regex, $data['env_' . $variable->env_variable])) {
+                    throw new DisplayException('Failed to validate service option variable field (env_' . $variable->env_variable . ') aganist regex (' . $variable->regex . ').');
+                }
+
+                continue;
+
             }
         }
 
-        return;
+        return self::generateSFTPUsername($data['name']);
 
     }