add UploadController 'rest' controller

backend/controllers/UploadController.php

@@ -0,0 +1,46 @@
+<?php
+namespace backend\controllers;
+
+use yii\rest\ActiveController;
+use yii\rest\Controller;
+
+class UploadController extends  Controller
+{
+
+	
+	
+
+//     public function verbs()
+//     {
+//         $verbs = [];
+//         $verbs[ "upload" ] = ['POST' ];
+//         return $verbs;
+//     }
+
+    public function actionUpload()
+    {
+        $postdata = fopen( $_FILES[ 'data' ][ 'tmp_name' ], "r" );
+//         /* Get file extension */
+        $extension = substr( $_FILES[ 'data' ][ 'name' ], strrpos( $_FILES[ 'data' ][ 'name' ], '.' ) );
+
+//         /* Generate unique name */
+        $filename =  \Yii::getAlias('@frontend') ."/web/profile/" . uniqid() . $extension;
+        echo $filename;
+
+//         /* Open a file for writing */
+        $fp = fopen( $filename, "w" );
+
+        /* Read the data 1 KB at a time
+          and write to the file */
+        while( $data = fread( $postdata, 1024 ) )
+            fwrite( $fp, $data );
+
+        /* Close the streams */
+        fclose( $fp );
+        fclose( $postdata );
+
+		/* the result object that is sent to client*/
+
+		echo "ok"; 
+    }
+}