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fix response body

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wiaamm
2025-11-19 13:19:38 +02:00
parent 279ae9a43d
commit c4a4101658
1 changed files with 19 additions and 6 deletions
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25
attachments/kong/plugins/open-appsec-waf-kong-plugin/handler.lua
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@@ -210,25 +210,38 @@ function NanoHandler.body_filter(conf)
return return
end end
local chunk = ngx.arg[1]
local eof = ngx.arg[2] local eof = ngx.arg[2]
-- If nano service already accepted the response in header_filter, skip body inspection -- If nano service already accepted the response in header_filter, skip body inspection
-- Just let chunks pass through and finalize at EOF -- Just let chunks pass through immediately and finalize at EOF
if ctx.skip_body_filter then if ctx.skip_body_filter then
kong.log.debug("[body_filter] Session: ", session_id, " | Skipping inspection, passing chunk through (EOF: ", tostring(eof), ")") kong.log.debug("[body_filter] Session: ", session_id, " | Skipping inspection, chunk size: ", chunk and #chunk or 0, ", EOF: ", tostring(eof))
-- If there were any buffered chunks from before skip was set, flush them first
if ctx.chunk_buffer and #ctx.chunk_buffer > 0 then
kong.log.info("[body_filter] Session: ", session_id, " | Flushing ", #ctx.chunk_buffer, " buffered chunks before skipping")
local combined = table.concat(ctx.chunk_buffer)
ctx.chunk_buffer = {}
ctx.chunk_buffer_size = 0
-- Send the buffered data followed by current chunk
if chunk and #chunk > 0 then
ngx.arg[1] = combined .. chunk
else
ngx.arg[1] = combined
end
end
-- else: chunk passes through as-is via ngx.arg[1]
if eof then if eof then
kong.log.info("[body_filter] Session: ", session_id, " | EOF reached with skip_body_filter - finalizing session") kong.log.info("[body_filter] Session: ", session_id, " | EOF reached with skip_body_filter - finalizing session")
nano.fini_session(session_data) nano.fini_session(session_data)
nano.cleanup_all() nano.cleanup_all()
ctx.session_finalized = true ctx.session_finalized = true
end end
-- Let the chunk pass through unchanged by not modifying ngx.arg[1]
return return
end end
local chunk = ngx.arg[1]
local eof = ngx.arg[2]
kong.log.debug("[body_filter] Session: ", session_id, " | Chunk size: ", chunk and #chunk or 0, " | EOF: ", tostring(eof)) kong.log.debug("[body_filter] Session: ", session_id, " | Chunk size: ", chunk and #chunk or 0, " | EOF: ", tostring(eof))
-- Initialize on first call -- Initialize on first call