base64 all file reading/writing in the child process adapter

Author: WyriHaximus

src/ChildProcess/Adapter.php

@@ -195,7 +195,7 @@ public function read($fileDescriptor, $length, $offset)
             'length' => $length,
             'offset' => $offset,
         ]))->then(function ($payload) {
-            return \React\Promise\resolve($payload['chunk']);
+            return \React\Promise\resolve(base64_decode($payload['chunk']));
         });
     }
 
@@ -209,7 +209,7 @@ public function read($fileDescriptor, $length, $offset)
     public function write($fileDescriptor, $data, $length, $offset)
     {
         return $this->fileDescriptors[$fileDescriptor]->rpc(Factory::rpc('write', [
-            'chunk' => $data,
+            'chunk' => base64_encode($data),
             'length' => $length,
             'offset' => $offset,
         ]));

src/WoolTrait.php

@@ -172,7 +172,7 @@ public function read(array $payload)
     {
         fseek($this->fd, $payload['offset']);
         return \React\Promise\resolve([
-            'chunk' => fread($this->fd, $payload['length']),
+            'chunk' => base64_encode(fread($this->fd, $payload['length'])),
         ]);
     }
 
@@ -184,7 +184,7 @@ public function write(array $payload)
     {
         fseek($this->fd, $payload['offset']);
         return \React\Promise\resolve([
-            'written' => fwrite($this->fd, $payload['chunk'], $payload['length']),
+            'written' => fwrite($this->fd, base64_decode($payload['chunk']), $payload['length']),
         ]);
     }