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block too much GET requests with semaphore

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MichaelDvP
2026-07-11 15:27:59 +02:00
parent 1cd3cb854e
commit 5ac1b486a7
1 changed files with 7 additions and 0 deletions
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7
src/web/WebAPIService.cpp
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@@ -39,6 +39,12 @@ WebAPIService::WebAPIService(AsyncWebServer * server, SecurityManager * security
// POST|GET api/{device}
// POST|GET api/{device}/{entity}
void WebAPIService::webAPIService(AsyncWebServerRequest * request, JsonVariant json) {
static bool busy = false;
if (busy && request->method() == HTTP_GET) {
request->send(429); // too many requests
return;
}
busy = true;
JsonDocument input_doc; // has no body JSON so create dummy as empty input object
JsonObject input;
// if no body then treat it as a secure GET
@@ -53,6 +59,7 @@ void WebAPIService::webAPIService(AsyncWebServerRequest * request, JsonVariant j
input["data"] = json.as<std::string>();
}
parse(request, input);
busy = false;
}
// for POSTS accepting plain text data