Fix logins and add routes.

src/Helpers/UploadFiles.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Helpers;
+
+use App\Http\Router;
+use App\Kernel;
+
+class UploadFiles {
+
+    public static function uploadFolderPath(){
+        return APP_ROOT . 'public/uploads/';
+    }
+    public static function uploadFolderUri(){
+        return Kernel::$configs['general']['website_url'] . 'uploads/';
+    }
+
+    /**
+     * @param string $fileName
+     *
+     * @return string|int
+     *
+     * 1: Pas de fichier $fileArg
+     * 2: Erreur dans le fichier
+     * 3: Déjà existant.
+     * 4: Erreur dans le déplacement.
+     */
+    public static function uploadFile( string $fileArg ): string|int {
+
+        if( !isset( $_FILES[ $fileArg ] ) )
+            return 1;
+
+        $file = $_FILES[ $fileArg ];
+        if( $file['error'] != 0 )
+            return 2;
+
+        $tempFileName = $file['tmp_name'];
+        $fileName = $file['name'];
+
+        $full_name = self::uploadFolderPath() . $fileName;
+        $full_uri = self::uploadFolderUri() . $fileName;
+
+        if( file_exists( $full_name ) )
+            return 3;
+
+        if( !move_uploaded_file($tempFileName, $full_name) )
+            return 4;
+
+        return $full_uri;
+    }
+
+}