From a9865324427bb50eaa7f7ea7075c6dc052cafa95 Mon Sep 17 00:00:00 2001
From: Tomaz Canabrava <tcanabrava@kde.org>
Date: Mon, 30 Oct 2017 19:08:03 +0100
Subject: [PATCH] [CSE] Generate a random password for the metadata.

---
 src/libsync/clientsideencryption.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/libsync/clientsideencryption.cpp b/src/libsync/clientsideencryption.cpp
index 9610beda6..1d14342c0 100644
--- a/src/libsync/clientsideencryption.cpp
+++ b/src/libsync/clientsideencryption.cpp
@@ -740,7 +740,15 @@ std::string FolderMetadata::encryptMetadataKeys(const nlohmann::json& metadataKe
 }
 
 std::string FolderMetadata::genMetadataPass() const {
-    return "4randomdiceroll";
+    const char* charmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+    const size_t charmapLength = strlen(charmap);
+    const int bytes = 16;
+    std::string result;
+    result.reserve(bytes);
+    generate_n(back_inserter(result), bytes, [&](){
+      return charmap[rand() % charmapLength];
+    });
+    return result;
 }
 
 // AES/GCM/NoPadding (128 bit key size)