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-rw-r--r--plugins/mod_http_file_share.lua9
1 files changed, 9 insertions, 0 deletions
diff --git a/plugins/mod_http_file_share.lua b/plugins/mod_http_file_share.lua
index 2af4e0ca..1ce5a8bb 100644
--- a/plugins/mod_http_file_share.lua
+++ b/plugins/mod_http_file_share.lua
@@ -224,6 +224,15 @@ function handle_upload(event, path) -- PUT /upload/:slot
local filename = get_filename(upload_info.slot, true);
+ do
+ -- check if upload has been completed already
+ -- we want to allow retry of a failed upload attempt, but not after it's been completed
+ local f = io.open(filename, "r");
+ if f then
+ f:close();
+ return 409;
+ end
+ end
if not request.body_sink then
module:log("debug", "Preparing to receive upload into %q, expecting %s", filename, B(upload_info.filesize));