Prevent race condition while reading uuid

2021-05-30 19:30:58 -04:00
parent ecf6808f4d
commit afa80add94
1 changed files with 3 additions and 1 deletions
--- a/mobile/src/main/java/be/mygod/librootkotlinx/RootServer.kt
+++ b/mobile/src/main/java/be/mygod/librootkotlinx/RootServer.kt
@@ -146,7 +146,9 @@ class RootServer {
        try {
            val token2 = UUID.randomUUID().toString()
            val persistence = File(context.codeCacheDir, ".librootkotlinx-uuid")
-            val uuid = context.packageName + '@' + if (persistence.canRead()) persistence.readText() else {
+            val uuid = context.packageName + '@' + try {
+                persistence.readText()
+            } catch (_: FileNotFoundException) {
                UUID.randomUUID().toString().also { persistence.writeText(it) }
            }
            val (script, relocated) = AppProcess.relocateScript(uuid)