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Code Issues Releases Wiki Activity

Save flash and RAM by conditionally compiling unused API password code

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This commit is contained in:
J. Nick Koston
2025-07-02 13:56:41 -05:00
parent 00eb56d8db
commit 86fd702841
4 changed files with 20 additions and 3 deletions
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4
esphome/components/api/__init__.py
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@@ -132,7 +132,9 @@ async def to_code(config):
await cg.register_component(var, config)
cg.add(var.set_port(config[CONF_PORT]))
cg.add(var.set_password(config[CONF_PASSWORD]))
if config[CONF_PASSWORD]:
cg.add_define("USE_API_PASSWORD")
cg.add(var.set_password(config[CONF_PASSWORD]))
cg.add(var.set_reboot_timeout(config[CONF_REBOOT_TIMEOUT]))
cg.add(var.set_batch_delay(config[CONF_BATCH_DELAY]))

9
esphome/components/api/api_connection.cpp
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@@ -1503,7 +1503,10 @@ HelloResponse APIConnection::hello(const HelloRequest &msg) {
return resp;
}
ConnectResponse APIConnection::connect(const ConnectRequest &msg) {
bool correct = this->parent_->check_password(msg.password);
bool correct = true;
#ifdef USE_API_PASSWORD
correct = this->parent_->check_password(msg.password);
#endif
ConnectResponse resp;
// bool invalid_password = 1;
@@ -1524,7 +1527,11 @@ ConnectResponse APIConnection::connect(const ConnectRequest &msg) {
}
DeviceInfoResponse APIConnection::device_info(const DeviceInfoRequest &msg) {
DeviceInfoResponse resp{};
#ifdef USE_API_PASSWORD
resp.uses_password = this->parent_->uses_password();
#else
resp.uses_password = false;
#endif
resp.name = App.get_name();
resp.friendly_name = App.get_friendly_name();
resp.suggested_area = App.get_area();

4
esphome/components/api/api_server.cpp
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@@ -218,6 +218,7 @@ void APIServer::dump_config() {
#endif
}
#ifdef USE_API_PASSWORD
bool APIServer::uses_password() const { return !this->password_.empty(); }
bool APIServer::check_password(const std::string &password) const {
@@ -248,6 +249,7 @@ bool APIServer::check_password(const std::string &password) const {
return result == 0;
}
#endif
void APIServer::handle_disconnect(APIConnection *conn) {}
@@ -431,7 +433,9 @@ float APIServer::get_setup_priority() const { return setup_priority::AFTER_WIFI;
void APIServer::set_port(uint16_t port) { this->port_ = port; }
#ifdef USE_API_PASSWORD
void APIServer::set_password(const std::string &password) { this->password_ = password; }
#endif
void APIServer::set_batch_delay(uint16_t batch_delay) { this->batch_delay_ = batch_delay; }

6
esphome/components/api/api_server.h
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@@ -35,10 +35,12 @@ class APIServer : public Component, public Controller {
void dump_config() override;
void on_shutdown() override;
bool teardown() override;
#ifdef USE_API_PASSWORD
bool check_password(const std::string &password) const;
bool uses_password() const;
void set_port(uint16_t port);
void set_password(const std::string &password);
#endif
void set_port(uint16_t port);
void set_reboot_timeout(uint32_t reboot_timeout);
void set_batch_delay(uint16_t batch_delay);
uint16_t get_batch_delay() const { return batch_delay_; }
@@ -179,7 +181,9 @@ class APIServer : public Component, public Controller {
// Vectors and strings (12 bytes each on 32-bit)
std::vector<std::unique_ptr<APIConnection>> clients_;
#ifdef USE_API_PASSWORD
std::string password_;
#endif
std::vector<uint8_t> shared_write_buffer_; // Shared proto write buffer for all connections
std::vector<HomeAssistantStateSubscription> state_subs_;
#ifdef USE_API_YAML_SERVICES