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prevent /upload from overwriting wsec.json #5482

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prevent /upload from overwriting wsec.json #5482

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ba08249
prevent /upload from overwriting wsec.json
FoamyGuy Apr 7, 2026
7d9bae9
move wsec check outside of if index logic.
FoamyGuy Apr 7, 2026
98efc03
use isFinal check
FoamyGuy Apr 7, 2026
25c1d67
user control for disable wsec.json upload
FoamyGuy Apr 8, 2026
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6 changes: 6 additions & 0 deletions wled00/wled_server.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,12 @@ static void handleUpload(AsyncWebServerRequest *request, const String& filename,
if (isFinal) request->send(401, FPSTR(CONTENT_TYPE_PLAIN), FPSTR(s_unlock_cfg));
return;
}

if (filename.indexOf(FPSTR(s_wsec)) >= 0) {
request->send(403, FPSTR(CONTENT_TYPE_PLAIN), FPSTR(s_accessdenied)); // skip wsec.json
return;
}

if (!index) {
String finalname = filename;
if (finalname.charAt(0) != '/') {
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