gradido/login_server/src/cpp/JSONInterface/JsonCheckUsername.cpp

92 lines
2.5 KiB
C++

#include "JsonCheckUsername.h"
#include "Poco/URI.h"
#include "controller/User.h"
#include "lib/DataTypeConverter.h"
Poco::JSON::Object* JsonCheckUsername::handle(Poco::Dynamic::Var params)
{
std::string username;
int group_id = 0;
std::string group_alias;
// if is json object
if (params.type() == typeid(Poco::JSON::Object::Ptr)) {
Poco::JSON::Object::Ptr paramJsonObject = params.extract<Poco::JSON::Object::Ptr>();
/// Throws a RangeException if the value does not fit
/// into the result variable.
/// Throws a NotImplementedException if conversion is
/// not available for the given type.
/// Throws InvalidAccessException if Var is empty.
auto username_obj = paramJsonObject->get("username");
auto group_id_obj = paramJsonObject->get("group_id");
auto group_alias_obj = paramJsonObject->get("group_alias");
try {
if (!username_obj.isEmpty()) {
username_obj.convert(username);
}
if (!group_id_obj.isEmpty()) {
group_id_obj.convert(group_id);
}
if (!group_alias_obj.isEmpty()) {
group_alias_obj.convert(group_alias);
}
}
catch (Poco::Exception& ex) {
return stateError("Poco Exception", ex.displayText());
}
}
else if (params.isVector()) {
const Poco::URI::QueryParameters queryParams = params.extract<Poco::URI::QueryParameters>();
for (auto it = queryParams.begin(); it != queryParams.end(); it++) {
if (it->first == "username") {
username = it->second;
}
else if (it->first == "group_id") {
DataTypeConverter::strToInt(it->second, group_id);
}
else if (it->first == "group_alias") {
group_alias = it->second;
}
}
}
else {
return stateError("format not implemented", std::string(params.type().name()));
}
if (!group_id && group_alias == "") {
return stateError("no group given");
}
if (!group_id) {
auto groups = controller::Group::load(group_alias);
if (groups.size() > 1) {
return stateError("group is ambiguous");
}
if (!groups.size()) {
return stateError("unknown group");
}
group_id = groups[0]->getModel()->getID();
}
auto group = controller::Group::load(group_id);
if (group.isNull()) {
return stateError("unknown group");
}
auto user = controller::User::create();
user->getModel()->setGroupId(group_id);
if (username == "") {
Poco::JSON::Object* result = new Poco::JSON::Object;
result->set("state", "success");
result->set("group_id", group_id);
return result;
}
if (user->isUsernameAlreadyUsed(username)) {
return stateWarning("username already in use");
}
return stateSuccess();
}