esp8266-react-framework/lib/framework/UploadFirmwareService.cpp
rjwats 1f07dcdab2
OTA Upload Feature (#162)
* Improve restart behaviour under esp8266
* Backend to support firmware update over HTTP
* UI for uploading new firmware
* Documentation changes
2020-06-29 00:25:58 +01:00

86 lines
2.8 KiB
C++

#include <UploadFirmwareService.h>
UploadFirmwareService::UploadFirmwareService(AsyncWebServer* server, SecurityManager* securityManager) :
_securityManager(securityManager) {
server->on(UPLOAD_FIRMWARE_PATH,
HTTP_POST,
std::bind(&UploadFirmwareService::uploadComplete, this, std::placeholders::_1),
std::bind(&UploadFirmwareService::handleUpload,
this,
std::placeholders::_1,
std::placeholders::_2,
std::placeholders::_3,
std::placeholders::_4,
std::placeholders::_5,
std::placeholders::_6));
#ifdef ESP8266
Update.runAsync(true);
#endif
}
void UploadFirmwareService::handleUpload(AsyncWebServerRequest* request,
const String& filename,
size_t index,
uint8_t* data,
size_t len,
bool final) {
if (!index) {
Authentication authentication = _securityManager->authenticateRequest(request);
if (AuthenticationPredicates::IS_ADMIN(authentication)) {
if (Update.begin(request->contentLength())) {
// success, let's make sure we end the update if the client hangs up
request->onDisconnect(UploadFirmwareService::handleEarlyDisconnect);
} else {
// failed to begin, send an error response
Update.printError(Serial);
handleError(request, 500);
}
} else {
// send the forbidden response
handleError(request, 403);
}
}
// if we haven't delt with an error, continue with the update
if (!request->_tempObject) {
if (Update.write(data, len) != len) {
Update.printError(Serial);
handleError(request, 500);
}
if (final) {
if (!Update.end(true)) {
Update.printError(Serial);
handleError(request, 500);
}
}
}
}
void UploadFirmwareService::uploadComplete(AsyncWebServerRequest* request) {
// if no error, send the success response
if (!request->_tempObject) {
request->onDisconnect(RestartService::restartNow);
AsyncWebServerResponse* response = request->beginResponse(200);
request->send(response);
}
}
void UploadFirmwareService::handleError(AsyncWebServerRequest* request, int code) {
// if we have had an error already, do nothing
if (request->_tempObject) {
return;
}
// send the error code to the client and record the error code in the temp object
request->_tempObject = new int(code);
AsyncWebServerResponse* response = request->beginResponse(code);
request->send(response);
}
void UploadFirmwareService::handleEarlyDisconnect() {
#ifdef ESP32
Update.abort();
#elif defined(ESP8266)
Update.end();
#endif
}