prosody
67fb92e312f1
plugins/mod_websocket.lua

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plugins/mod_websocket.lua @ 11110:67fb92e312f1 0.11

mod_websocket: Enforce stanza size limit and close stream
author Matthew Wild <mwild1@gmail.com>
date Thu, 17 Sep 2020 16:42:36 +0100
parent 11109:7ec7dba7ba8b
child 11111:55d8612ac357
comparison
equal deleted inserted replaced
11109:7ec7dba7ba8b 11110:67fb92e312f1
283 283
284 local cache = {}; 284 local cache = {};
285 local frame, length = parse_frame(frameBuffer); 285 local frame, length = parse_frame(frameBuffer);
286 286
287 while frame do 287 while frame do
288 if length > stanza_size_limit then
289 session:close({ condition = "policy-violation", text = "stanza too large" });
290 return;
291 end
288 frameBuffer:discard(length); 292 frameBuffer:discard(length);
289 local result = handle_frame(frame); 293 local result = handle_frame(frame);
290 if not result then return; end 294 if not result then return; end
291 cache[#cache+1] = filter_open_close(result); 295 cache[#cache+1] = filter_open_close(result);
292 frame, length = parse_frame(frameBuffer); 296 frame, length = parse_frame(frameBuffer);