From 00abe1fe937df93eb7c66a6bac329e4011ef3a5a Mon Sep 17 00:00:00 2001
From: Rias <hey@rias.be>
Date: Sun, 1 Sep 2024 14:31:54 +0200
Subject: [PATCH] Use base64 encoding to more reliably send data across

---
 bin/mjml.mjs | 15 ++++++++++++---
 src/Mjml.php |  6 ++++--
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/bin/mjml.mjs b/bin/mjml.mjs
index cfa0e70..927e54a 100644
--- a/bin/mjml.mjs
+++ b/bin/mjml.mjs
@@ -1,6 +1,6 @@
 import mjml2html from 'mjml'
 
-const args = JSON.parse(process.argv.slice(2));
+const args = JSON.parse(atob(process.argv.slice(2)));
 
 const mjml = args[0];
 const options = args[1];
@@ -12,8 +12,17 @@ try {
 } catch (exception) {
     const errorString = JSON.stringify({mjmlError: exception.toString()});
 
-    process.stdout.write(errorString);
+    process.stdout.write(utoa(errorString));
     process.exit(0);
 }
 
-process.stdout.write(JSON.stringify(result));
+process.stdout.write(utoa(JSON.stringify(result)));
+
+/**
+ * Unicode to ASCII (encode data to Base64)
+ * @param {string} data
+ * @return {string}
+ */
+function utoa(data) {
+    return btoa(unescape(encodeURIComponent(data)));
+}
diff --git a/src/Mjml.php b/src/Mjml.php
index f09fe23..3f43c3e 100755
--- a/src/Mjml.php
+++ b/src/Mjml.php
@@ -176,7 +176,7 @@ protected function getCommand(array $arguments): array
         return [
             (new ExecutableFinder())->find('node', 'node', $extraDirectories),
             'mjml.mjs',
-            json_encode(array_values($arguments)),
+            base64_encode(json_encode(array_values($arguments))),
         ];
     }
 
@@ -219,6 +219,8 @@ protected function getLocalResult(array $arguments): string
             throw new ProcessFailedException($process);
         }
 
-        return $process->getOutput();
+        $output = last(explode("\n", $process->getOutput()));
+
+        return base64_decode($output);
     }
 }