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[wifi] Fix captive portal unusable when WiFi credentials are wrong (#11965)

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This commit is contained in:
J. Nick Koston
2025-11-18 13:17:21 -06:00
committed by GitHub
parent 81fe5deaa9
commit 70ed9c7c4d
11 changed files with 111 additions and 15 deletions
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15
esphome/components/web_server_idf/web_server_idf.cpp
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@@ -94,6 +94,18 @@ void AsyncWebServer::end() {
}
}
void AsyncWebServer::set_lru_purge_enable(bool enable) {
if (this->lru_purge_enable_ == enable) {
return; // No change needed
}
this->lru_purge_enable_ = enable;
// If server is already running, restart it with new config
if (this->server_) {
this->end();
this->begin();
}
}
void AsyncWebServer::begin() {
if (this->server_) {
this->end();
@@ -101,6 +113,8 @@ void AsyncWebServer::begin() {
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
config.server_port = this->port_;
config.uri_match_fn = [](const char * /*unused*/, const char * /*unused*/, size_t /*unused*/) { return true; };
// Enable LRU purging if requested (e.g., by captive portal to handle probe bursts)
config.lru_purge_enable = this->lru_purge_enable_;
if (httpd_start(&this->server_, &config) == ESP_OK) {
const httpd_uri_t handler_get = {
.uri = "",
@@ -242,6 +256,7 @@ void AsyncWebServerRequest::send(int code, const char *content_type, const char
void AsyncWebServerRequest::redirect(const std::string &url) {
httpd_resp_set_status(*this, "302 Found");
httpd_resp_set_hdr(*this, "Location", url.c_str());
httpd_resp_set_hdr(*this, "Connection", "close");
httpd_resp_send(*this, nullptr, 0);
}