Added console command to encrypt previously unencrypted fields

Signed-off-by: snipe <snipe@snipe.net>

app/Console/Commands/ToggleCustomfieldEncryption.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\Asset;
+use App\Models\CustomField;
+use Illuminate\Console\Command;
+
+class ToggleCustomfieldEncryption extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'snipeit:customfield-encryption
+                             {fieldname : the db_column_name of the field}';
+
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'This command should be used to convert an unencypted custom field into a custom field and encrypt the associated data in the assets table for that column.';
+
+    /**
+     * Create a new command instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle()
+    {
+        $fieldname = $this->argument('fieldname');
+
+        if ($field = CustomField::where('db_column', $fieldname)->first()) {
+            
+            // If the field is not encrypted, make it encrypted and encrypt the data in the assets table for the
+            // corresponding field.
+            if ($field->field_encrypted == 0) {
+                $assets = Asset::whereNotNull($field->db_column)->get();
+
+                foreach ($assets as $asset) {
+                    $asset->{$field->db_column} = encrypt($asset->{$field->db_column});
+                    $asset->save();
+                }
+
+                $field->field_encrypted = 1;
+                $field->save();
+
+            // This field is already encrypted. Do nothing.
+            } else {
+                $this->error('The custom field ' . $fieldname.' is already encrypted. No action was taken.');
+            }
+
+        } else {
+            $this->error('No matching results for unencrypted custom fields with db_column name: ' . $fieldname.'. Please check the fieldname.');
+        }
+
+    }
+}