WordClockESP/lib/framework/AuthenticationService.cpp

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#include <AuthenticationService.h>
#if FT_ENABLED(FT_SECURITY)
AuthenticationService::AuthenticationService(AsyncWebServer* server, SecurityManager* securityManager) :
_securityManager(securityManager),
_signInHandler(SIGN_IN_PATH,
std::bind(&AuthenticationService::signIn, this, std::placeholders::_1, std::placeholders::_2)) {
server->on(VERIFY_AUTHORIZATION_PATH,
HTTP_GET,
std::bind(&AuthenticationService::verifyAuthorization, this, std::placeholders::_1));
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_signInHandler.setMethod(HTTP_POST);
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_signInHandler.setMaxContentLength(MAX_AUTHENTICATION_SIZE);
server->addHandler(&_signInHandler);
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}
/**
* Verifys that the request supplied a valid JWT.
*/
void AuthenticationService::verifyAuthorization(AsyncWebServerRequest* request) {
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Authentication authentication = _securityManager->authenticateRequest(request);
request->send(authentication.authenticated ? 200 : 401);
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}
/**
* Signs in a user if the username and password match. Provides a JWT to be used in the Authorization header in
* subsequent requests.
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*/
void AuthenticationService::signIn(AsyncWebServerRequest* request, JsonVariant& json) {
if (json.is<JsonObject>()) {
String username = json["username"];
String password = json["password"];
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Authentication authentication = _securityManager->authenticate(username, password);
if (authentication.authenticated) {
User* user = authentication.user;
AsyncJsonResponse* response = new AsyncJsonResponse(false, MAX_AUTHENTICATION_SIZE);
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JsonObject jsonObject = response->getRoot();
jsonObject["access_token"] = _securityManager->generateJWT(user);
response->setLength();
request->send(response);
return;
}
}
AsyncWebServerResponse* response = request->beginResponse(401);
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request->send(response);
}
#endif // end FT_ENABLED(FT_SECURITY)