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-rw-r--r--plugins/mod_http_file_share.lua20
1 files changed, 20 insertions, 0 deletions
diff --git a/plugins/mod_http_file_share.lua b/plugins/mod_http_file_share.lua
index 0ef6f856..4b6030bf 100644
--- a/plugins/mod_http_file_share.lua
+++ b/plugins/mod_http_file_share.lua
@@ -356,6 +356,20 @@ function handle_download(event, path) -- GET /uploads/:slot+filename
return 410;
end
+ local request_range = request.headers.range;
+ local response_range;
+ if request_range then
+ local range_start, range_end = request_range:match("^bytes=(%d+)%-(%d*)$")
+ -- Only support resumption, ie ranges from somewhere in the middle until the end of the file.
+ if (range_start and range_start ~= "0" and range_start ~= filesize) and (range_end == "" or range_end == filesize) then
+ if handle:seek("set", tonumber(range_start)) then
+ response_range = "bytes "..range_start.."-"..filesize.."/"..filesize;
+ filesize = string.format("%d", tonumber(filesize)-tonumber(range_start));
+ end
+ end
+ end
+
+
if not filetype then
filetype = "application/octet-stream";
end
@@ -369,6 +383,12 @@ function handle_download(event, path) -- GET /uploads/:slot+filename
response.headers.content_type = filetype;
response.headers.content_disposition = string.format("%s; filename=%q", disposition, basename);
+ if response_range then
+ response.status_code = 206;
+ response.headers.content_range = response_range;
+ end
+ response.headers.accept_ranges = "bytes";
+
response.headers.cache_control = "max-age=31556952, immutable";
response.headers.content_security_policy = "default-src 'none'; frame-ancestors 'none';"
response.headers.strict_transport_security = "max-age=31556952";