massive api changes: replace public method results to Result<T, E>

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "sources/3rdparty/result"]
+	path = sources/3rdparty/result
+	url = https://github.com/arcan1s/result.git

sources/3rdparty/result

@@ -0,0 +1 @@
+Subproject commit e03dc8efb056f468b108c5034e19fec96e5b976b

sources/compiler.cmake

@@ -17,7 +17,7 @@ else ()
 endif ()
 
 # some flags
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # verbose output for debug builds

sources/queued-daemon/queued.ini.example

@@ -1,6 +1,7 @@
 [Administrator]
 Username = root
-Password = 0dd3e512642c97ca3f747f9a76e374fbda73f9292823c0313be9d78add7cdd8f72235af0c553dd26797e78e1854edee0ae002f8aba074b066dfce1af114e32f8
+Password = 9bc0798aa9d5de1f41e56ea4654cf86694dae080912d7df83cf293e7c7beb1b62e2811ed88bb24553a50d53f5cf85458928d25aea19aca5dc42fb316ba9c0e2c
+Salt = suzMBxyKxtyQtu7c4vVfbQTB
 
 [Database]
 Driver = QSQLITE

sources/queued-daemon/src/QueuedApplicationInterface.cpp

@@ -17,6 +17,7 @@
 #include "QueuedApplicationInterface.h"
 
 #include <QCoreApplication>
+#include <QDBusMetaType>
 
 #include <queued/Queued.h>
 
@@ -33,6 +34,9 @@ QueuedApplicationInterface::QueuedApplicationInterface(
     , m_application(parent)
 {
     qCDebug(LOG_DBUS) << __PRETTY_FUNCTION__;
+
+    qRegisterMetaType<QueuedResult<QStringList>>("QueuedResult<QStringList>");
+    qDBusRegisterMetaType<QueuedResult<QStringList>>();
 }
 
 
@@ -42,17 +46,17 @@ QueuedApplicationInterface::~QueuedApplicationInterface()
 }
 
 
-bool QueuedApplicationInterface::Active() const
+QDBusVariant QueuedApplicationInterface::Active() const
 {
-    return true;
+    return QueuedCoreAdaptor::toDBusVariant(QueuedResult<bool>(true));
 }
 
 
-QStringList QueuedApplicationInterface::UIDs() const
+QDBusVariant QueuedApplicationInterface::UIDs() const
 {
     QStringList uids;
     uids.append(QString::number(::getuid()));
     uids.append(QString::number(::geteuid()));
 
-    return uids;
+    return QueuedCoreAdaptor::toDBusVariant(QueuedResult<QStringList>(uids));
 }

sources/queued-daemon/src/QueuedApplicationInterface.h

@@ -18,6 +18,7 @@
 #define QUEUEDAPPLICATIONINTERFACE_H
 
 #include <QDBusAbstractAdaptor>
+#include <QDBusVariant>
 
 #include "QueuedConfig.h"
 
@@ -34,8 +35,8 @@ public:
     virtual ~QueuedApplicationInterface();
 
 public slots:
-    bool Active() const;
+    QDBusVariant Active() const;
-    QStringList UIDs() const;
+    QDBusVariant UIDs() const;
 
 private:
     QueuedApplication *m_application = nullptr;

sources/queued-daemon/src/main.cpp

@@ -35,12 +35,11 @@ QueuedApplication *instance = nullptr;
 
 bool existingSessionOperation(const QString &operation)
 {
-    QVariantList arguments = QueuedCoreAdaptor::sendRequest(
+    auto res = QueuedCoreAdaptor::sendRequest<bool>(
         QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_APPLICATION_PATH,
         QueuedConfig::DBUS_SERVICE, operation, QVariantList());
 
-    return (!arguments.isEmpty() && arguments.at(0).type() == QVariant::Bool
+    return ((res.type() == Result::Content::Value) && res.get());
-            && arguments[0].toBool());
 }
 
 

sources/queued-server/src/QueuedServer.cpp

@@ -45,17 +45,21 @@ void QueuedServer::init()
 {
     m_server->init(QueuedCoreAdaptor::getOption(
                        QueuedConfig::QueuedSettings::ServerTimeout)
+                       .get()
                        .toInt());
     QString address = QueuedCoreAdaptor::getOption(
                           QueuedConfig::QueuedSettings::ServerAddress)
+                          .get()
                           .toString();
     ushort port
         = QueuedCoreAdaptor::getOption(QueuedConfig::QueuedSettings::ServerPort)
+              .get()
               .toUInt();
     m_server->listen(QHostAddress(address), port);
     m_server->setMaxPendingConnections(
         QueuedCoreAdaptor::getOption(
             QueuedConfig::QueuedSettings::ServerMaxConnections)
+            .get()
             .toInt());
 
     qCInfo(LOG_SERV) << "Server listen on" << m_server->serverAddress()

sources/queued-server/src/QueuedTcpServerResponseHelper.h

@@ -42,7 +42,7 @@ typedef struct {
     QString type;
     bool valid;
 } Request;
-const QHash<int, QByteArray> HTTPCodeMap
+static const QHash<int, QByteArray> HTTPCodeMap
     = {{100, "Continue"},
        {101, "Switching Protocols"},
        {200, "OK"},

sources/queued-server/src/QueuedTcpServerResponseHelperApi1.cpp

@@ -139,7 +139,10 @@ QVariantHash QueuedTcpServerResponseHelperApi1::getStatus()
 {
     QVariantHash output = {{"code", 200}};
 
-    auto data = QueuedCoreAdaptor::getStatus();
+    auto res = QueuedCoreAdaptor::getStatus();
+    if (res.type() != Result::Content::Value)
+        return {};
+    auto data = res.get();
     auto sections = data.keys();
     sections.sort();
     for (auto &section : sections) {

sources/queued-server/src/QueuedTcpServerResponseHelperAuth.cpp

@@ -25,9 +25,17 @@ QVariantHash QueuedTcpServerResponseHelperAuth::auth(const QVariantHash &_data)
 
     QVariantHash output;
     if (_data.contains("user") && _data.contains("password")) {
-        output["token"] = QueuedCoreAdaptor::auth(_data["user"].toString(),
+        auto res = QueuedCoreAdaptor::auth(_data["user"].toString(),
                                            _data["password"].toString());
-        output["code"] = output["token"].toString().isEmpty() ? 401 : 200;
+
+        Result::match(
+            res,
+            [&output](const QString &val) {
+                output = {{"code", 200}, {"token", val}};
+            },
+            [&output](const QueuedError &err) {
+                output = {{"code", 401}, {"message", err.message().c_str()}};
+            });
     } else {
         output = {{"code", 400}, {"message", "No required fields found"}};
     }
@@ -40,5 +48,11 @@ bool QueuedTcpServerResponseHelperAuth::tryAuth(const QString &_token)
 {
     qCDebug(LOG_APP) << "Try auth with" << _token;
 
-    return QueuedCoreAdaptor::auth(_token);
+    auto res = QueuedCoreAdaptor::auth(_token);
+
+    bool ret = true;
+    Result::match(res, [&ret](const bool val) { ret = val; },
+                  [&ret](const QueuedError &err) { ret = false; });
+
+    return ret;
 }

sources/queued-server/src/QueuedTcpServerResponseHelperOption.cpp

@@ -24,7 +24,18 @@ QueuedTcpServerResponseHelperOption::getOption(const QString &_option)
 {
     qCDebug(LOG_SERV) << "Get option" << _option;
 
-    return {{"code", 200}, {"value", QueuedCoreAdaptor::getOption(_option)}};
+    auto res = QueuedCoreAdaptor::getOption(_option);
+
+    QVariantHash output;
+    Result::match(res,
+                  [&output](const QVariant &val) {
+                      output = {{"code", 200}, {"token", val}};
+                  },
+                  [&output](const QueuedError &) {
+                      output = {{"code", 404}, {"message", "Option not found"}};
+                  });
+
+    return output;
 }
 
 
@@ -36,8 +47,18 @@ QVariantHash QueuedTcpServerResponseHelperOption::setOption(
     if (!_value.contains("value"))
         return {{"code", 400}, {"message", "No required fields found"}};
 
-    return {{"code",
+    auto res
-             QueuedCoreAdaptor::sendOptionEdit(_option, _value["value"], _token)
+        = QueuedCoreAdaptor::sendOptionEdit(_option, _value["value"], _token);
-                 ? 200
+
-                 : 400}};
+    QVariantHash output;
+    Result::match(
+        res,
+        [&output](const QVariant &) {
+            output = {{"code", 200}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
+
+    return output;
 }

sources/queued-server/src/QueuedTcpServerResponseHelperPermissions.cpp

@@ -32,10 +32,20 @@ QVariantHash QueuedTcpServerResponseHelperPermissions::addPermission(
     if (permission == QueuedEnums::Permission::Invalid)
         return {{"code", 400}, {"message", "Invalid permission"}};
 
-    return {{"code",
+    auto res
-             QueuedCoreAdaptor::sendUserPermissionAdd(_id, permission, _token)
+        = QueuedCoreAdaptor::sendUserPermissionAdd(_id, permission, _token);
-                 ? 200
+
-                 : 400}};
+    QVariantHash output;
+    Result::match(
+        res,
+        [&output](const QVariant &) {
+            output = {{"code", 200}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
+
+    return output;
 }
 
 
@@ -52,8 +62,18 @@ QVariantHash QueuedTcpServerResponseHelperPermissions::removePermission(
     if (permission == QueuedEnums::Permission::Invalid)
         return {{"code", 400}, {"message", "Invalid permission"}};
 
-    return {{"code", QueuedCoreAdaptor::sendUserPermissionRemove(
+    auto res
-                         _id, permission, _token)
+        = QueuedCoreAdaptor::sendUserPermissionRemove(_id, permission, _token);
-                         ? 200
+
-                         : 400}};
+    QVariantHash output;
+    Result::match(
+        res,
+        [&output](const QVariant &) {
+            output = {{"code", 200}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
+
+    return output;
 }

sources/queued-server/src/QueuedTcpServerResponseHelperPlugins.cpp

@@ -25,16 +25,38 @@ QueuedTcpServerResponseHelperPlugins::addPlugin(const QString &_name,
 {
     qCDebug(LOG_SERV) << "Add plugin" << _name;
 
-    return {
+    auto res = QueuedCoreAdaptor::sendPluginAdd(_name, _token);
-        {"code", QueuedCoreAdaptor::sendPluginAdd(_name, _token) ? 200 : 400}};
+
+    QVariantHash output;
+    Result::match(
+        res,
+        [&output](const bool) {
+            output = {{"code", 200}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
+
+    return output;
 }
 
 
 QVariantHash QueuedTcpServerResponseHelperPlugins::listPlugins()
 {
-    return {{"code", 200},
+    auto res
-            {"plugins", QueuedCoreAdaptor::getOption(
+        = QueuedCoreAdaptor::getOption(QueuedConfig::QueuedSettings::Plugins);
-                            QueuedConfig::QueuedSettings::Plugins)}};
+
+    QVariantHash output;
+    Result::match(
+        res,
+        [&output](const QVariant &val) {
+            output = {{"code", 200}, {"plugins", val.toStringList()}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
+
+    return output;
 }
 
 
@@ -44,6 +66,17 @@ QueuedTcpServerResponseHelperPlugins::removePlugin(const QString &_name,
 {
     qCDebug(LOG_SERV) << "Remove plugin" << _name;
 
-    return {{"code",
+    auto res = QueuedCoreAdaptor::sendPluginRemove(_name, _token);
-             QueuedCoreAdaptor::sendPluginRemove(_name, _token) ? 200 : 400}};
+
+    QVariantHash output;
+    Result::match(
+        res,
+        [&output](const bool) {
+            output = {{"code", 200}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
+
+    return output;
 }

sources/queued-server/src/QueuedTcpServerResponseHelperTask.cpp

@@ -25,15 +25,33 @@ QVariantHash QueuedTcpServerResponseHelperTask::addOrEditTask(
     qCDebug(LOG_SERV) << "Add or edit task" << _id << "with data" << _data;
 
     auto defs = getDefinitions(_data);
+
+    QVariantHash output;
     if (_id > 0) {
         // edit existing task
-        bool status = QueuedCoreAdaptor::sendTaskEdit(_id, defs, _token);
+        auto res = QueuedCoreAdaptor::sendTaskEdit(_id, defs, _token);
-        return {{"code", status ? 200 : 400}};
+        Result::match(
+            res,
+            [&output](const bool val) {
+                output = {{"code", val ? 200 : 500}};
+            },
+            [&output](const QueuedError &err) {
+                output = {{"code", 500}, {"message", err.message().c_str()}};
+            });
     } else {
         // add new task
-        auto id = QueuedCoreAdaptor::sendTaskAdd(defs, _token);
+        auto res = QueuedCoreAdaptor::sendTaskAdd(defs, _token);
-        return {{"code", id > 0 ? 200 : 400}, {"id", id}};
+        Result::match(
+            res,
+            [&output](const long long val) {
+                output = {{"code", val ? 200 : 500}, {"id", val}};
+            },
+            [&output](const QueuedError &err) {
+                output = {{"code", 500}, {"message", err.message().c_str()}};
+            });
     }
+
+    return output;
 }
 
 
@@ -78,11 +96,25 @@ QueuedTcpServerResponseHelperTask::getTask(const long long _id,
     auto property = _data["property"].toString();
 
     QVariantHash output = {{"code", 200}};
-    if (property.isEmpty())
+    if (property.isEmpty()) {
-        output["properties"] = QueuedCoreAdaptor::getTask(_id);
+        auto res = QueuedCoreAdaptor::getTask(_id);
-    else
+        Result::match(
-        output["properties"] = QVariantHash(
+            res,
-            {{property, QueuedCoreAdaptor::getTask(_id, property)}});
+            [&output](const QVariantHash &val) { output["properties"] = val; },
+            [&output](const QueuedError &err) {
+                output = {{"code", 500}, {"message", err.message().c_str()}};
+            });
+    } else {
+        auto res = QueuedCoreAdaptor::getTask(_id, property);
+        Result::match(
+            res,
+            [&output, &property](const QVariant &val) {
+                output["properties"] = {{property, val}};
+            },
+            [&output](const QueuedError &err) {
+                output = {{"code", 500}, {"message", err.message().c_str()}};
+            });
+    }
 
     return output;
 }
@@ -100,13 +132,20 @@ QueuedTcpServerResponseHelperTask::getTasks(const QVariantHash &_data,
     QDateTime stop
         = QDateTime::fromString(_data["stop"].toString(), Qt::ISODateWithMs);
 
-    QVariantHash output = {{"code", 200}};
+    QVariantHash output;
     // some conversion magic
     QVariantList outputReport;
-    auto report = QueuedCoreAdaptor::getTasks(userId, start, stop, _token);
+    auto res = QueuedCoreAdaptor::getTasks(userId, start, stop, _token);
-    for (auto &user : report)
+    Result::match(
-        outputReport.append(user);
+        res,
-    output["report"] = outputReport;
+        [&output, &outputReport](const QList<QVariantHash> &val) {
+            for (auto &user : val)
+                outputReport += user;
+            output = {{"code", 200}, {"report", outputReport}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
 
     return output;
 }
@@ -118,15 +157,63 @@ QueuedTcpServerResponseHelperTask::startOrStopTask(const long long _id,
 {
     qCDebug(LOG_SERV) << "Change task state" << _id;
 
-    QVariantHash task = QueuedCoreAdaptor::getTask(_id);
+    auto res = QueuedCoreAdaptor::getTask(_id);
-    if (task.isEmpty())
-        return {{"code", 400}, {"message", "No task found"}};
 
-    if (task["startTime"].toString().isEmpty()
+    QVariantHash output;
-        || !task["endTime"].toString().isEmpty())
+    Result::match(
-        return {{"code",
+        res,
-                 QueuedCoreAdaptor::sendTaskStart(_id, _token) ? 200 : 400}};
+        [&output, &_id, &_token](const QVariantHash &val) {
+            if (val["startTime"].toString().isEmpty()
+                || !val["endTime"].toString().isEmpty())
+                output = startTask(_id, _token);
             else
-        return {
+                output = stopTask(_id, _token);
-            {"code", QueuedCoreAdaptor::sendTaskStop(_id, _token) ? 200 : 400}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 400}, {"message", err.message().c_str()}};
+        });
+
+    return output;
+}
+
+
+QVariantHash QueuedTcpServerResponseHelperTask::startTask(const long long _id,
+                                                          const QString &_token)
+{
+    qCDebug(LOG_SERV) << "Start task" << _id;
+
+    auto res = QueuedCoreAdaptor::sendTaskStart(_id, _token);
+
+    QVariantHash output;
+    Result::match(
+        res,
+        [&output](const bool val) {
+            output = {{"code", val ? 200 : 500}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
+
+    return output;
+}
+
+
+QVariantHash QueuedTcpServerResponseHelperTask::stopTask(const long long _id,
+                                                         const QString &_token)
+{
+    qCDebug(LOG_SERV) << "Stop task" << _id;
+
+    auto res = QueuedCoreAdaptor::sendTaskStop(_id, _token);
+
+    QVariantHash output;
+    Result::match(
+        res,
+        [&output](const bool val) {
+            output = {{"code", val ? 200 : 500}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
+
+    return output;
 }

sources/queued-server/src/QueuedTcpServerResponseHelperTask.h

@@ -31,6 +31,8 @@ getDefinitions(const QVariantHash &_data);
 QVariantHash getTask(const long long _id, const QVariantHash &_data);
 QVariantHash getTasks(const QVariantHash &_data, const QString &_token);
 QVariantHash startOrStopTask(const long long _id, const QString &_token);
+QVariantHash startTask(const long long _id, const QString &_token);
+QVariantHash stopTask(const long long _id, const QString &_token);
 };
 
 

sources/queued-server/src/QueuedTcpServerResponseHelperUser.cpp

@@ -25,19 +25,40 @@ QVariantHash QueuedTcpServerResponseHelperUser::addOrEditUser(
     qCDebug(LOG_SERV) << "Add user" << _user << "with data" << _data;
 
     // try define if user exists first
-    auto userId = QueuedCoreAdaptor::getUserId(_user);
+    auto userIdRes = QueuedCoreAdaptor::getUserId(_user);
+    long long userId = -1;
+    Result::match(userIdRes, [&userId](const long long val) { userId = val; },
+                  [&userId](const QueuedError &) {});
 
     auto defs = getDefinitions(_data);
     defs.name = _user;
+
+    QVariantHash output;
     if (userId > 0) {
         // edit existing user
-        bool status = QueuedCoreAdaptor::sendUserEdit(userId, defs, _token);
+        auto res = QueuedCoreAdaptor::sendUserEdit(userId, defs, _token);
-        return {{"code", status ? 200 : 400}};
+        Result::match(
+            res,
+            [&output](const bool val) {
+                output = {{"code", val ? 200 : 500}};
+            },
+            [&output](const QueuedError &err) {
+                output = {{"code", 500}, {"message", err.message().c_str()}};
+            });
     } else {
         // add new user
-        auto id = QueuedCoreAdaptor::sendUserAdd(defs, _token);
+        auto res = QueuedCoreAdaptor::sendUserAdd(defs, _token);
-        return {{"code", id > 0 ? 200 : 400}, {"id", id}};
+        Result::match(
+            res,
+            [&output](const long long val) {
+                output = {{"code", val ? 200 : 500}, {"id", val}};
+            },
+            [&output](const QueuedError &err) {
+                output = {{"code", 500}, {"message", err.message().c_str()}};
+            });
     }
+
+    return output;
 }
 
 
@@ -48,7 +69,10 @@ QueuedTcpServerResponseHelperUser::getDefinitions(const QVariantHash &_data)
 
     QueuedUser::QueuedUserDefinitions defs;
     defs.email = _data["email"].toString();
-    defs.password = QueuedUser::hashFromPassword(_data["password"].toString());
+    auto res = QueuedCoreAdaptor::sendPasswordHash(_data["password"].toString());
+    Result::match(
+            res, [&defs](const QString &val) { defs.password = val; },
+            [](const QueuedError &) {});
     defs.permissions = _data["permissions"].toUInt();
     // limits
     QueuedLimits::Limits limits;
@@ -77,10 +101,17 @@ QueuedTcpServerResponseHelperUser::getReport(const QVariantHash &_data,
     QVariantHash output = {{"code", 200}};
     // some conversion magic
     QVariantList outputReport;
-    auto report = QueuedCoreAdaptor::getPerformance(start, stop, _token);
+    auto res = QueuedCoreAdaptor::getPerformance(start, stop, _token);
-    for (auto &user : report)
+    Result::match(
-        outputReport.append(user);
+        res,
-    output["report"] = outputReport;
+        [&output, &outputReport](const QList<QVariantHash> &val) {
+            for (auto &user : val)
+                outputReport += user;
+            output = {{"code", 200}, {"report", outputReport}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
 
     return output;
 }
@@ -92,15 +123,35 @@ QueuedTcpServerResponseHelperUser::getUser(const QString &_user,
 {
     qCDebug(LOG_SERV) << "Get user data for" << _user << _data;
 
-    auto userId = QueuedCoreAdaptor::getUserId(_user);
+    auto userIdRes = QueuedCoreAdaptor::getUserId(_user);
+    long long userId = -1;
+    Result::match(userIdRes, [&userId](const long long val) { userId = val; },
+                  [](const QueuedError &) {});
+    if (userId == -1)
+        return {{"code", 500}};
+
     auto property = _data["property"].toString();
 
     QVariantHash output = {{"code", 200}};
-    if (property.isEmpty())
+    if (property.isEmpty()) {
-        output["properties"] = QueuedCoreAdaptor::getUser(userId);
+        auto res = QueuedCoreAdaptor::getUser(userId);
-    else
+        Result::match(
-        output["properties"] = QVariantHash(
+            res,
-            {{property, QueuedCoreAdaptor::getUser(userId, property)}});
+            [&output](const QVariantHash &val) { output["properties"] = val; },
+            [&output](const QueuedError &err) {
+                output = {{"code", 500}, {"message", err.message().c_str()}};
+            });
+    } else {
+        auto res = QueuedCoreAdaptor::getUser(userId, property);
+        Result::match(
+            res,
+            [&output, &property](const QVariant &val) {
+                output["properties"] = {{property, val}};
+            },
+            [&output](const QueuedError &err) {
+                output = {{"code", 500}, {"message", err.message().c_str()}};
+            });
+    }
 
     return output;
 }
@@ -120,10 +171,17 @@ QueuedTcpServerResponseHelperUser::getUsers(const QVariantHash &_data,
     QVariantHash output = {{"code", 200}};
     // some conversion magic
     QVariantList outputReport;
-    auto report = QueuedCoreAdaptor::getUsers(lastLogin, permission, _token);
+    auto res = QueuedCoreAdaptor::getUsers(lastLogin, permission, _token);
-    for (auto &user : report)
+    Result::match(
-        outputReport.append(user);
+        res,
-    output["report"] = outputReport;
+        [&output, &outputReport](const QList<QVariantHash> &val) {
+            for (auto &user : val)
+                outputReport += user;
+            output = {{"code", 200}, {"report", outputReport}};
+        },
+        [&output](const QueuedError &err) {
+            output = {{"code", 500}, {"message", err.message().c_str()}};
+        });
 
     return output;
 }

sources/queued/QueuedConfig.h.in

@@ -16,7 +16,7 @@
  * @file QueuedConfig.h
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 
@@ -39,75 +39,75 @@ namespace QueuedConfig
 /**
  * @brief DBus service name for library and application
  */
-const char DBUS_SERVICE[] = DBUS_SERVICE_NAME;
+static const char DBUS_SERVICE[] = DBUS_SERVICE_NAME;
 /**
  * @brief DBus object path for application
  */
-const char DBUS_APPLICATION_PATH[] = "/application";
+static const char DBUS_APPLICATION_PATH[] = "/application";
 /**
  * @brief DBus object path for library
  */
-const char DBUS_OBJECT_PATH[] = "/queued";
+static const char DBUS_OBJECT_PATH[] = "/queued";
 /**
  * @brief DBus properties path for properties library
  */
-const char DBUS_PROPERTY_PATH[] = "/property";
+static const char DBUS_PROPERTY_PATH[] = "/property";
 /**
  * @brief DBus properties path for reports library
  */
-const char DBUS_REPORTS_PATH[] = "/report";
+static const char DBUS_REPORTS_PATH[] = "/report";
 
 // path configuration
 // common paths
 /**
  * @brief installation directory for executables
  */
-const char BIN_INSTALL_DIR[] = "@BIN_INSTALL_DIR@";
+static const char BIN_INSTALL_DIR[] = "@BIN_INSTALL_DIR@";
 /**
  * @brief installation directory for data
  */
-const char DATA_INSTALL_DIR[] = "@DATA_INSTALL_DIR@";
+static const char DATA_INSTALL_DIR[] = "@DATA_INSTALL_DIR@";
 /**
  * @brief installation directory for headers
  */
-const char INCLUDE_INSTALL_DIR[] = "@INCLUDE_INSTALL_DIR@";
+static const char INCLUDE_INSTALL_DIR[] = "@INCLUDE_INSTALL_DIR@";
 /**
  * @brief installation directory for libraries
  */
-const char LIB_INSTALL_DIR[] = "@LIB_INSTALL_DIR@";
+static const char LIB_INSTALL_DIR[] = "@LIB_INSTALL_DIR@";
 /**
  * @brief the same as CMAKE_INSTALL_PREFIX
  */
-const char ROOT_INSTALL_DIR[] = "@CMAKE_INSTALL_PREFIX@";
+static const char ROOT_INSTALL_DIR[] = "@CMAKE_INSTALL_PREFIX@";
 // application specific
 /**
  * @brief path to queued home directory
  */
-const char HOME_PATH[] = "queued";
+static const char HOME_PATH[] = "queued";
 /**
  * @brief path to plugins inside @ref HOME_PATH
  */
-const char PLUGIN_PATH[] = "plugins";
+static const char PLUGIN_PATH[] = "plugins";
 
 // internal configuration
 /**
  * @brief version of internal storage
  */
-const int DATABASE_VERSION = 1;
+static const int DATABASE_VERSION = 1;
 /**
  * @brief header name for token
  */
-const char WEBAPI_TOKEN_HEADER[] = "x-queued-token";
+static const char WEBAPI_TOKEN_HEADER[] = "x-queued-token";
 /**
  * @brief supported web server API versions
  */
-const int WEBAPI_VERSIONS[] = {1};
+static const int WEBAPI_VERSIONS[] = {1};
 
 // cgroups configuration
 /**
  * @brief path to root directory of cgroups
  */
-const char CG_FS_PATH[] = "/sys/fs/cgroup";
+static const char CG_FS_PATH[] = "/sys/fs/cgroup";
 
 // plugin interfaces
 /**
@@ -119,7 +119,7 @@ const char CG_FS_PATH[] = "/sys/fs/cgroup";
 /**
  * @brief plugin interface name
  */
-const char PLUGIN_INTERFACE[] = PLUGIN_INTERFACE_NAME;
+static const char PLUGIN_INTERFACE[] = PLUGIN_INTERFACE_NAME;
 }
 
 

sources/queued/adds.cmake

@@ -5,3 +5,4 @@ install (FILES "QueuedConfig.cmake" DESTINATION "${LIB_INSTALL_DIR}/cmake/Queued
 install (FILES "QueuedLibraries.cmake" DESTINATION "${LIB_INSTALL_DIR}/cmake/Queued")
 install (FILES "QueuedMacros.cmake" DESTINATION "${LIB_INSTALL_DIR}/cmake/Queued")
 install (FILES "${CMAKE_CURRENT_BINARY_DIR}/QueuedPaths.cmake" DESTINATION "${LIB_INSTALL_DIR}/cmake/Queued")
+install (FILES "${PROJECT_TRDPARTY_DIR}/result/result.hpp" DESTINATION "${INCLUDE_INSTALL_DIR}/${SUBPROJECT}/result")

sources/queued/include/queued/Queued.h

@@ -43,6 +43,7 @@
 #include "QueuedPropertyInterface.h"
 #include "QueuedReportInterface.h"
 #include "QueuedReportManager.h"
+#include "QueuedResult.h"
 #include "QueuedSettings.h"
 #include "QueuedStaticConfig.h"
 #include "QueuedSystemInfo.h"

sources/queued/include/queued/QueuedCore.h

@@ -28,6 +28,7 @@
 
 #include "QueuedEnums.h"
 #include "QueuedLimits.h"
+#include "QueuedResult.h"
 #include "QueuedStaticConfig.h"
 
 
@@ -69,7 +70,7 @@ public:
      * user auth token
      * @return true on successfully addition
      */
-    bool addPlugin(const QString &_plugin, const QString &_token);
+    QueuedResult<bool> addPlugin(const QString &_plugin, const QString &_token);
     /**
      * @brief add new task
      * @param _command
@@ -86,10 +87,10 @@ public:
      * user auth token
      * @return task ID or -1 if no task added
      */
-    long long addTask(const QString &_command, const QStringList &_arguments,
+    QueuedResult<long long>
+    addTask(const QString &_command, const QStringList &_arguments,
             const QString &_workingDirectory, const long long _userId,
-                      const QueuedLimits::Limits &_limits,
+            const QueuedLimits::Limits &_limits, const QString &_token);
-                      const QString &_token);
     /**
      * @brief add new user
      * @param _name
@@ -106,8 +107,9 @@ public:
      * user auth token
      * @return user ID or -1 if no user created
      */
-    long long addUser(const QString &_name, const QString &_email,
+    QueuedResult<long long> addUser(const QString &_name, const QString &_email,
-                      const QString &_password, const uint _permissions,
+                                    const QString &_password,
+                                    const uint _permissions,
                                     const QueuedLimits::Limits &_limits,
                                     const QString &_token);
     /**
@@ -116,7 +118,7 @@ public:
      * token ID
      * @return true if token is valid
      */
-    bool authorization(const QString &_token);
+    QueuedResult<bool> authorization(const QString &_token);
     /**
      * @brief authorize and create new token for user
      * @param _name
@@ -125,7 +127,8 @@ public:
      * user password
      * @return token. It will be empty if authorization error occurs
      */
-    QString authorization(const QString &_name, const QString &_password);
+    QueuedResult<QString> authorization(const QString &_name,
+                                        const QString &_password);
     /**
      * @brief edit advanced settings
      * @param _key
@@ -136,7 +139,7 @@ public:
      * user auth token
      * @return true on successful option edition
      */
-    bool editOption(const QString &_key, const QVariant &_value,
+    QueuedResult<bool> editOption(const QString &_key, const QVariant &_value,
                                   const QString &_token);
     /**
      * @brief edit task
@@ -150,7 +153,8 @@ public:
      * fields will be ignored. No need to pass all properties here
      * @return true on successful task edition
      */
-    bool editTask(const long long _id, const QVariantHash &_taskData,
+    QueuedResult<bool> editTask(const long long _id,
+                                const QVariantHash &_taskData,
                                 const QString &_token);
     /**
      * @brief edit user
@@ -164,7 +168,8 @@ public:
      * fields will be ignored. No need to pass all properties here
      * @return true on successful user edition
      */
-    bool editUser(const long long _id, const QVariantHash &_userData,
+    QueuedResult<bool> editUser(const long long _id,
+                                const QVariantHash &_userData,
                                 const QString &_token);
     /**
      * @brief edit user permissions
@@ -178,16 +183,24 @@ public:
      * user auth token
      * @return true on successful user permission edition
      */
-    bool editUserPermission(const long long _id,
+    QueuedResult<bool>
+    editUserPermission(const long long _id,
                        const QueuedEnums::Permission &_permission,
                        const bool _add, const QString &_token);
+    /**
+     * @brief hash password
+     * @param _password
+     * user password as plain text
+     * @return hashed password with applied salt
+     */
+    QueuedResult<QString> hashFromPassword(const QString &_password);
     /**
      * @brief get value from advanced settings
      * @param _key
      * key string
      * @return option value or empty QVariant
      */
-    QVariant option(const QString &_key);
+    QueuedResult<QVariant> option(const QString &_key);
     /**
      * @brief usage report
      * @param _from
@@ -198,8 +211,8 @@ public:
      * user auth token
      * @return performance table
      */
-    QList<QVariantHash> performanceReport(const QDateTime &_from,
+    QueuedResult<QList<QVariantHash>>
-                                          const QDateTime &_to,
+    performanceReport(const QDateTime &_from, const QDateTime &_to,
                       const QString &_token) const;
     /**
      * @brief get plugin settings
@@ -216,7 +229,8 @@ public:
      * user auth token
      * @return true on successful plugin removal
      */
-    bool removePlugin(const QString &_plugin, const QString &_token);
+    QueuedResult<bool> removePlugin(const QString &_plugin,
+                                    const QString &_token);
     /**
      * @brief force start task
      * @param _id
@@ -225,7 +239,7 @@ public:
      * user auth token
      * @return true on successful task start
      */
-    bool startTask(const long long _id, const QString &_token);
+    QueuedResult<bool> startTask(const long long _id, const QString &_token);
     /**
      * @brief force stop task
      * @param _id
@@ -234,7 +248,7 @@ public:
      * user auth token
      * @return true on successful task stop
      */
-    bool stopTask(const long long _id, const QString &_token);
+    QueuedResult<bool> stopTask(const long long _id, const QString &_token);
     /**
      * @brief get task by ID
      * @param _id
@@ -254,8 +268,9 @@ public:
      * user auth token
      * @return list of tasks in database format
      */
-    QList<QVariantHash> taskReport(const long long _user,
+    QueuedResult<QList<QVariantHash>> taskReport(const long long _user,
-                                   const QDateTime &_from, const QDateTime &_to,
+                                                 const QDateTime &_from,
+                                                 const QDateTime &_to,
                                                  const QString &_token) const;
     /**
      * @brief get user by ID
@@ -281,7 +296,8 @@ public:
      * user auth token
      * @return list of users in database format
      */
-    QList<QVariantHash> userReport(const QDateTime &_lastLogged,
+    QueuedResult<QList<QVariantHash>>
+    userReport(const QDateTime &_lastLogged,
                const QueuedEnums::Permission _permission,
                const QString &_token) const;
     // control methods
@@ -394,7 +410,7 @@ private:
      * @param _args
      * class constructor arguments
      */
-    template<class T, typename... Args> T *initObject(T *_dest, Args... _args)
+    template <class T, typename... Args> T *initObject(T *_dest, Args... _args)
     {
         return _dest ? _dest : new T(this, _args...);
     };
@@ -432,7 +448,7 @@ private:
      * task defined limits
      * @return task ID or -1 if no task added
      */
-    long long addTaskPrivate(const QString &_command,
+    QueuedResult<long long> addTaskPrivate(const QString &_command,
                                            const QStringList &_arguments,
                                            const QString &_workingDirectory,
                                            const long long _userId,
@@ -451,8 +467,10 @@ private:
      * user limits
      * @return user ID or -1 if no user found
      */
-    long long addUserPrivate(const QString &_name, const QString &_email,
+    QueuedResult<long long> addUserPrivate(const QString &_name,
-                             const QString &_password, const uint _permissions,
+                                           const QString &_email,
+                                           const QString &_password,
+                                           const uint _permissions,
                                            const QueuedLimits::Limits &_limits);
     /**
      * @brief edit advanced settings
@@ -462,7 +480,8 @@ private:
      * advanced settings value
      * @return true on successful option edition
      */
-    bool editOptionPrivate(const QString &_key, const QVariant &_value);
+    QueuedResult<bool> editOptionPrivate(const QString &_key,
+                                         const QVariant &_value);
     /**
      * @brief edit plugin list
      * @param _plugin
@@ -471,7 +490,8 @@ private:
      * true if it requires add plugin
      * @return true on successful action
      */
-    bool editPluginPrivate(const QString &_plugin, const bool _add);
+    QueuedResult<bool> editPluginPrivate(const QString &_plugin,
+                                         const bool _add);
     /**
      * @brief edit task
      * @param _id
@@ -482,7 +502,8 @@ private:
      * fields will be ignored. No need to pass all properties here
      * @return true on successful task edition
      */
-    bool editTaskPrivate(const long long _id, const QVariantHash &_taskData);
+    QueuedResult<bool> editTaskPrivate(const long long _id,
+                                       const QVariantHash &_taskData);
     /**
      * @brief edit user
      * @param _id
@@ -493,7 +514,8 @@ private:
      * fields will be ignored. No need to pass all properties here
      * @return true on successful user edition
      */
-    bool editUserPrivate(const long long _id, const QVariantHash &_userData);
+    QueuedResult<bool> editUserPrivate(const long long _id,
+                                       const QVariantHash &_userData);
     /**
      * @brief edit user permissions
      * @param _id
@@ -504,7 +526,8 @@ private:
      * indicates whether it should be added or removed
      * @return true on successful user permission edition
      */
-    bool editUserPermissionPrivate(const long long _id,
+    QueuedResult<bool>
+    editUserPermissionPrivate(const long long _id,
                               const QueuedEnums::Permission &_permission,
                               const bool _add);
 };

sources/queued/include/queued/QueuedCoreAdaptor.h

@@ -24,8 +24,8 @@
 #ifndef QUEUEDCOREADAPTOR_H
 #define QUEUEDCOREADAPTOR_H
 
-#include <QDBusArgument>
+#include <QDBusConnection>
-#include <QVariant>
+#include <QDBusReply>
 
 #include "QueuedProcess.h"
 #include "QueuedStaticConfig.h"
@@ -45,7 +45,7 @@ namespace QueuedCoreAdaptor
  * token ID
  * @return true if token is valid
  */
-bool auth(const QString &_token);
+QueuedResult<bool> auth(const QString &_token);
 /**
  * @brief send auth method
  * @param _name
@@ -54,7 +54,7 @@ bool auth(const QString &_token);
  * user password
  * @return generated token ID or empty string in case of invalid password
  */
-QString auth(const QString &_name, const QString &_password);
+QueuedResult<QString> auth(const QString &_name, const QString &_password);
 /**
  * @brief send OptionEdit
  * @param _key
@@ -65,8 +65,15 @@ QString auth(const QString &_name, const QString &_password);
  * auth user token
  * @return true on successful option edition
  */
-bool sendOptionEdit(const QString &_key, const QVariant &_value,
+QueuedResult<bool> sendOptionEdit(const QString &_key, const QVariant &_value,
                                   const QString &_token);
+/**
+ * @brief send PasswordHash
+ * @param _password
+ * user password
+ * @return hashed password with applied salt
+ */
+QueuedResult<QString> sendPasswordHash(const QString &_password);
 /**
  * @brief send PluginAdd
  * @param _plugin
@@ -75,7 +82,7 @@ bool sendOptionEdit(const QString &_key, const QVariant &_value,
  * auth user token
  * @return true on successful plugin addition
  */
-bool sendPluginAdd(const QString &_plugin, const QString &_token);
+QueuedResult<bool> sendPluginAdd(const QString &_plugin, const QString &_token);
 /**
  * @brief send PluginRemove
  * @param _plugin
@@ -84,7 +91,8 @@ bool sendPluginAdd(const QString &_plugin, const QString &_token);
  * auth user token
  * @return true on successful plugin removal
  */
-bool sendPluginRemove(const QString &_plugin, const QString &_token);
+QueuedResult<bool> sendPluginRemove(const QString &_plugin,
+                                    const QString &_token);
 /**
  * @brief send TaskAdd
  * @param _definitions
@@ -93,7 +101,7 @@ bool sendPluginRemove(const QString &_plugin, const QString &_token);
  * auth user token
  * @return task ID or {0, -1} if no task added
  */
-long long
+QueuedResult<long long>
 sendTaskAdd(const QueuedProcess::QueuedProcessDefinitions &_definitions,
             const QString &_token);
 /**
@@ -106,7 +114,8 @@ sendTaskAdd(const QueuedProcess::QueuedProcessDefinitions &_definitions,
  * auth user token
  * @return true on successful task edition
  */
-bool sendTaskEdit(const long long _id,
+QueuedResult<bool>
+sendTaskEdit(const long long _id,
              const QueuedProcess::QueuedProcessDefinitions &_definitions,
              const QString &_token);
 /**
@@ -117,7 +126,7 @@ bool sendTaskEdit(const long long _id,
  * auth user token
  * @return true on successful task start
  */
-bool sendTaskStart(const long long _id, const QString &_token);
+QueuedResult<bool> sendTaskStart(const long long _id, const QString &_token);
 /**
  * @brief send TaskStop
  * @param _id
@@ -126,7 +135,7 @@ bool sendTaskStart(const long long _id, const QString &_token);
  * auth user token
  * @return true on successful task stop
  */
-bool sendTaskStop(const long long _id, const QString &_token);
+QueuedResult<bool> sendTaskStop(const long long _id, const QString &_token);
 /**
  * @brief send UserAdd
  * @param _definitions
@@ -135,7 +144,8 @@ bool sendTaskStop(const long long _id, const QString &_token);
  * auth user token
  * @return user ID or -1 if no user added
  */
-long long sendUserAdd(const QueuedUser::QueuedUserDefinitions &_definitions,
+QueuedResult<long long>
+sendUserAdd(const QueuedUser::QueuedUserDefinitions &_definitions,
             const QString &_token);
 /**
  * @brief send UserEdit
@@ -147,7 +157,8 @@ long long sendUserAdd(const QueuedUser::QueuedUserDefinitions &_definitions,
  * auth user token
  * @return true on successful user edition
  */
-bool sendUserEdit(const long long _id,
+QueuedResult<bool>
+sendUserEdit(const long long _id,
              const QueuedUser::QueuedUserDefinitions &_definitions,
              const QString &_token);
 /**
@@ -160,7 +171,8 @@ bool sendUserEdit(const long long _id,
  * auth user token
  * @return true on successful permission addition
  */
-bool sendUserPermissionAdd(const long long _id,
+QueuedResult<bool>
+sendUserPermissionAdd(const long long _id,
                       const QueuedEnums::Permission _permission,
                       const QString &_token);
 /**
@@ -173,7 +185,8 @@ bool sendUserPermissionAdd(const long long _id,
  * auth user token
  * @return true on successful permission removal
  */
-bool sendUserPermissionRemove(const long long _id,
+QueuedResult<bool>
+sendUserPermissionRemove(const long long _id,
                          const QueuedEnums::Permission _permission,
                          const QString &_token);
 // specific methods for properties
@@ -183,14 +196,14 @@ bool sendUserPermissionRemove(const long long _id,
  * option name
  * @return option value
  */
-QVariant getOption(const QString &_property);
+QueuedResult<QVariant> getOption(const QString &_property);
 /**
  * @brief get option
  * @param _property
  * option name
  * @return option value
  */
-QVariant getOption(const QueuedConfig::QueuedSettings _property);
+QueuedResult<QVariant> getOption(const QueuedConfig::QueuedSettings _property);
 /**
  * @brief performance report
  * @param _from
@@ -201,24 +214,21 @@ QVariant getOption(const QueuedConfig::QueuedSettings _property);
  * user auth token
  * @return list of user with used resources
  */
-QList<QVariantHash> getPerformance(const QDateTime &_from, const QDateTime &_to,
+QueuedResult<QList<QVariantHash>> getPerformance(const QDateTime &_from,
+                                                 const QDateTime &_to,
                                                  const QString &_token);
 /**
  * @brief server status
  * @return server status information
  */
-QHash<QString, QHash<QString, QString>> getStatus();
+QueuedResult<QueuedStatusMap> getStatus();
 /**
  * @brief get all task properties
  * @param _id
  * task ID
  * @return task properties
  */
-QVariantHash getTask(const long long _id);
+QueuedResult<QVariantHash> getTask(const long long _id);
-/**
- * @return server status information
- */
-QHash<QString, QHash<QString, QString>> getStatus();
 /**
  * @brief get task property
  * @param _id
@@ -227,7 +237,7 @@ QHash<QString, QHash<QString, QString>> getStatus();
  * task property name
  * @return task property value
  */
-QVariant getTask(const long long _id, const QString &_property);
+QueuedResult<QVariant> getTask(const long long _id, const QString &_property);
 /**
  * @brief get tasks list
  * @param _user
@@ -240,15 +250,17 @@ QVariant getTask(const long long _id, const QString &_property);
  * user auth token
  * @return list of task in database representation
  */
-QList<QVariantHash> getTasks(const long long _user, const QDateTime &_from,
+QueuedResult<QList<QVariantHash>> getTasks(const long long _user,
-                             const QDateTime &_to, const QString &_token);
+                                           const QDateTime &_from,
+                                           const QDateTime &_to,
+                                           const QString &_token);
 /**
  * @brief get user properties
  * @param _id
  * user id
  * @return user properties
  */
-QVariantHash getUser(const long long _id);
+QueuedResult<QVariantHash> getUser(const long long _id);
 /**
  * @brief get user property
  * @param _id
@@ -257,7 +269,7 @@ QVariantHash getUser(const long long _id);
  * user property name
  * @return user property value
  */
-QVariant getUser(const long long _id, const QString &_property);
+QueuedResult<QVariant> getUser(const long long _id, const QString &_property);
 /**
  * @brief get user ID
  * @param _name
@@ -265,7 +277,7 @@ QVariant getUser(const long long _id, const QString &_property);
  * @return user ID or {0, -1} if no user found. If _name is numeric value it
  * returns converted one
  */
-long long getUserId(const QString &_name);
+QueuedResult<long long> getUserId(const QString &_name);
 /**
  * @brief get users list
  * @param _lastLogged
@@ -276,10 +288,49 @@ long long getUserId(const QString &_name);
  * user auth token
  * @return list of users in database representation
  */
-QList<QVariantHash> getUsers(const QDateTime &_lastLogged,
+QueuedResult<QList<QVariantHash>>
-                             const QueuedEnums::Permission _permission,
+getUsers(const QDateTime &_lastLogged,
-                             const QString &_token);
+         const QueuedEnums::Permission _permission, const QString &_token);
 // common methods
+/**
+ * @brief additional method to avoid conversion from QueuedResult to
+ * QDBusVariant
+ * @tparam T
+ * QueuedResult payload class
+ * @param _data
+ * input data
+ * @return converted data to QDBusVariant
+ */
+template <class T> QDBusVariant toDBusVariant(const QueuedResult<T> &_data)
+{
+    return QDBusVariant(QVariant::fromValue<QueuedResult<T>>(_data));
+};
+/**
+ * @brief additional method to avoid conversion from QDBusVariant to
+ * QueuedResult
+ * @tparam T
+ * QueuedResult payload class
+ * @param _data
+ * input data
+ * @return converted data to QueuedResult
+ */
+template <class T> QueuedResult<T> toResult(const QDBusVariant &_data)
+{
+    return qdbus_cast<QueuedResult<T>>(_data.variant().value<QDBusArgument>());
+};
+/**
+ * @brief additional method to avoid conversion from QVariant to
+ * QueuedResult
+ * @tparam T
+ * QueuedResult payload class
+ * @param _data
+ * input data
+ * @return converted data to QueuedResult
+ */
+template <class T> QueuedResult<T> toResult(const QVariant &_data)
+{
+    return qdbus_cast<QueuedResult<T>>(_data.value<QDBusArgument>());
+};
 /**
  * @brief common DBus request
  * @param _service
@@ -294,16 +345,27 @@ QList<QVariantHash> getUsers(const QDateTime &_lastLogged,
  * command arguments
  * @return reply object from DBus request
  */
-QVariantList sendRequest(const QString &_service, const QString &_path,
+template <typename T>
+QueuedResult<T> sendRequest(const QString &_service, const QString &_path,
                             const QString &_interface, const QString &_cmd,
-                         const QVariantList &_args);
+                            const QVariantList &_args)
-/**
+{
- * @brief additional method to avoid conversion from DBus type to native ones
+    QDBusConnection bus = QDBusConnection::systemBus();
- * @param _data
+    QDBusMessage request
- * source data
+        = QDBusMessage::createMethodCall(_service, _path, _interface, _cmd);
- * @return converted value
+    if (!_args.isEmpty())
- */
+        request.setArguments(_args);
-QVariant toNativeType(const QVariant &_data);
+
+    QDBusReply<QDBusVariant> dbusResponse
+        = bus.call(request, QDBus::BlockWithGui);
+
+    if (dbusResponse.isValid()) {
+        auto response = dbusResponse.value();
+        return toResult<T>(response);
+    } else {
+        return QueuedError(dbusResponse.error().message().toStdString());
+    }
+};
 }
 
 

sources/queued/include/queued/QueuedCoreInterface.h

@@ -61,7 +61,7 @@ public slots:
      * user password
      * @return generated token ID or empty string in case of invalid password
      */
-    QString Auth(const QString &name, const QString &password);
+    QDBusVariant Auth(const QString &name, const QString &password);
     /**
      * @brief edit option
      * @param key
@@ -72,8 +72,15 @@ public slots:
      * auth user token
      * @return true on successful option edition
      */
-    bool OptionEdit(const QString &key, const QDBusVariant &value,
+    QDBusVariant OptionEdit(const QString &key, const QDBusVariant &value,
                             const QString &token);
+    /**
+     * @brief get password hash
+     * @param password
+     * user password as plain text
+     * @return hashed password
+     */
+    QDBusVariant PasswordHash(const QString &password);
     /**
      * @brief add plugin
      * @param plugin
@@ -82,7 +89,7 @@ public slots:
      * auth user token
      * @return  true on successful plugin addition
      */
-    bool PluginAdd(const QString &plugin, const QString &token);
+    QDBusVariant PluginAdd(const QString &plugin, const QString &token);
     /**
      * @brief remove plugin
      * @param plugin
@@ -91,7 +98,7 @@ public slots:
      * auth user token
      * @return  true on successful plugin removal
      */
-    bool PluginRemove(const QString &plugin, const QString &token);
+    QDBusVariant PluginRemove(const QString &plugin, const QString &token);
     /**
      * @brief add new task
      * @param command
@@ -116,7 +123,7 @@ public slots:
      * auth user token
      * @return task ID or -1 if no task added
      */
-    qlonglong TaskAdd(const QString &command, const QStringList &arguments,
+    QDBusVariant TaskAdd(const QString &command, const QStringList &arguments,
                          const QString &workingDirectory, const qlonglong user,
                          const qlonglong cpu, const qlonglong gpu,
                          const qlonglong memory, const qlonglong gpumemory,
@@ -153,13 +160,13 @@ public slots:
      * auth user token
      * @return true on successful task edition
      */
-    bool TaskEdit(const qlonglong id, const QString &command,
+    QDBusVariant TaskEdit(const qlonglong id, const QString &command,
-                  const QStringList &arguments, const QString &directory,
+                          const QStringList &arguments,
-                  const uint nice, const uint uid, const uint gid,
+                          const QString &directory, const uint nice,
-                  const qlonglong user, const qlonglong cpu,
+                          const uint uid, const uint gid, const qlonglong user,
-                  const qlonglong gpu, const qlonglong memory,
+                          const qlonglong cpu, const qlonglong gpu,
-                  const qlonglong gpumemory, const qlonglong storage,
+                          const qlonglong memory, const qlonglong gpumemory,
-                  const QString &token);
+                          const qlonglong storage, const QString &token);
     /**
      * @brief force start task
      * @param id
@@ -168,7 +175,7 @@ public slots:
      * auth user token
      * @return true on successful task start
      */
-    bool TaskStart(const qlonglong id, const QString &token);
+    QDBusVariant TaskStart(const qlonglong id, const QString &token);
     /**
      * @brief force stop task
      * @param id
@@ -177,14 +184,14 @@ public slots:
      * auth user token
      * @return true on successful task stop
      */
-    bool TaskStop(const qlonglong id, const QString &token);
+    QDBusVariant TaskStop(const qlonglong id, const QString &token);
     /**
      * @brief try auth by token
      * @param token
      * token ID
      * @return true if token is valid
      */
-    bool TryAuth(const QString &token);
+    QDBusVariant TryAuth(const QString &token);
     /**
      * @brief add new user
      * @param name
@@ -209,7 +216,7 @@ public slots:
      * auth user token
      * @return user ID or -1 if no user found
      */
-    qlonglong UserAdd(const QString &name, const QString &email,
+    QDBusVariant UserAdd(const QString &name, const QString &email,
                          const QString &password, const uint permissions,
                          const qlonglong cpu, const qlonglong gpu,
                          const qlonglong memory, const qlonglong gpumemory,
@@ -238,7 +245,7 @@ public slots:
      * auth user token
      * @return true on successful user edition
      */
-    bool UserEdit(const qlonglong id, const QString &name,
+    QDBusVariant UserEdit(const qlonglong id, const QString &name,
                           const QString &password, const QString &email,
                           const qlonglong cpu, const qlonglong gpu,
                           const qlonglong memory, const qlonglong gpumemory,
@@ -253,7 +260,7 @@ public slots:
      * auth user token
      * @return true on successful permission addition
      */
-    bool UserPermissionAdd(const qlonglong id, const uint permission,
+    QDBusVariant UserPermissionAdd(const qlonglong id, const uint permission,
                                    const QString &token);
     /**
      * @brief remove permission from user
@@ -265,7 +272,7 @@ public slots:
      * auth user token
      * @return true on successful permission removal
      */
-    bool UserPermissionRemove(const qlonglong id, const uint permission,
+    QDBusVariant UserPermissionRemove(const qlonglong id, const uint permission,
                                       const QString &token);
 
 private:

sources/queued/include/queued/QueuedDatabaseSchema.h

@@ -37,19 +37,19 @@ namespace QueuedDB
 /**
  * @brief settings table name
  */
-const char SETTINGS_TABLE[] = "settings";
+static const char SETTINGS_TABLE[] = "settings";
 /**
  * @brief tasks table name
  */
-const char TASKS_TABLE[] = "tasks";
+static const char TASKS_TABLE[] = "tasks";
 /**
  * @brief tokens table name
  */
-const char TOKENS_TABLE[] = "tokens";
+static const char TOKENS_TABLE[] = "tokens";
 /**
  * @brief users table name
  */
-const char USERS_TABLE[] = "users";
+static const char USERS_TABLE[] = "users";
 /**
  * @struct QueuedDBField
  * @brief describes database column
@@ -76,7 +76,7 @@ typedef QHash<QString, QHash<QString, QueuedDBField>> QueuedDBSchema;
 /**
  * @brief database schema
  */
-const QueuedDBSchema DBSchema = {
+static const QueuedDBSchema DBSchema = {
     {SETTINGS_TABLE,
      {{"_id",
        {"_id", "INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE", QVariant::LongLong,

sources/queued/include/queued/QueuedDebug.h

@@ -62,7 +62,8 @@ namespace QueuedDebug
 /**
  * @brief default log format
  */
-const char LOG_FORMAT[] = "[%{time "
+static const char LOG_FORMAT[]
+    = "[%{time "
       "process}][%{if-debug}DD%{endif}%{if-info}II%{endif}%"
       "{if-warning}WW%{endif}%{if-critical}CC%{endif}%{if-"
       "fatal}FF%{endif}][%{category}][%{function}] "

sources/queued/include/queued/QueuedEnums.h

@@ -56,7 +56,7 @@ enum class Permission {
 };
 Q_DECLARE_FLAGS(Permissions, Permission)
 Q_DECLARE_OPERATORS_FOR_FLAGS(Permissions)
-const QHash<QString, Permission> PermissionMap = {
+static const QHash<QString, Permission> PermissionMap = {
     {"superadmin", Permission::SuperAdmin},
     {"admin", Permission::Admin},
     {"job", Permission::Job},
@@ -71,7 +71,7 @@ const QHash<QString, Permission> PermissionMap = {
 inline Permission stringToPermission(const QString &_permission)
 {
     return PermissionMap.contains(_permission.toLower())
-               ? PermissionMap[_permission.toLower()]
+               ? PermissionMap.value(_permission.toLower())
                : Permission::Invalid;
 };
 /**
@@ -83,6 +83,23 @@ inline Permission stringToPermission(const QString &_permission)
  * send SIGKILL on exit
  */
 enum class ExitAction { Terminate = 1 << 1, Kill = 1 << 2 };
+/**
+ * @enum ReturnStatus
+ * @brief DBus response status
+ * @var ReturnStatus::OK
+ * no errors in report
+ * @var ReturnStatus::Error
+ * generic error occurs
+ * @var ReturnStatus::InsufficientPermissions
+ * insufficient user permissions
+ */
+enum class ReturnStatus {
+    Error = 1 << 1,
+    InvalidArgument = 1 << 2,
+    InsufficientPermissions = 1 << 3,
+    InvalidToken = 1 << 4,
+    InvalidPassword = 1 << 5
+};
 };
 
 

sources/queued/include/queued/QueuedPropertyInterface.h

@@ -86,7 +86,7 @@ public slots:
      * user name
      * @return user ID or -1 if no user found
      */
-    qlonglong UserIdByName(const QString &name);
+    QDBusVariant UserIdByName(const QString &name);
 
 private:
     /**

sources/queued/include/queued/QueuedResult.h

@@ -0,0 +1,204 @@
+/*
+ * Copyright (c) 2017 Queued team
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ *
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+/**
+ * @file QueuedResult.h
+ * Header of Queued library
+ * @author Queued team
+ * @copyright MIT
+ * @bug https://github.com/arcan1s/queued/issues
+ */
+
+
+#ifndef QUEUEDRESULT_H
+#define QUEUEDRESULT_H
+
+#include <QDBusArgument>
+
+#include <result/result.hpp>
+
+namespace QueuedEnums
+{
+enum class ReturnStatus;
+};
+
+/**
+ * @typedef QueuedError
+ * custom result error implementation
+ */
+typedef Result::Error<QueuedEnums::ReturnStatus> QueuedError;
+/**
+ * @brief DBus marshalling method
+ * @param _argument
+ * output DBus argument
+ * @param _arg
+ * input error class
+ * @return appended argument body
+ */
+inline QDBusArgument &operator<<(QDBusArgument &_argument,
+                                 const QueuedError &_arg)
+{
+    _argument.beginStructure();
+    _argument << QString(_arg.message().c_str());
+    _argument << static_cast<long long>(_arg.code());
+    _argument.endStructure();
+
+    return _argument;
+};
+/**
+ * @brief DBus un-marshalling method
+ * @param _argument
+ * input DBus argument
+ * @param _arg
+ * output object
+ * @return source DBus argument
+ */
+inline const QDBusArgument &operator>>(const QDBusArgument &_argument,
+                                       QueuedError &_arg)
+{
+    QString message;
+    long long code;
+
+    _argument.beginStructure();
+    _argument >> message;
+    _argument >> code;
+    _argument.endStructure();
+
+    _arg = QueuedError(message.toStdString(),
+                       static_cast<QueuedEnums::ReturnStatus>(code));
+    return _argument;
+};
+/**
+ * @typedef QueuedStatusMap
+ * status report representation
+ */
+typedef QHash<QString, QHash<QString, QString>> QueuedStatusMap;
+/**
+ * @typedef QueuedResult
+ * @tparam T
+ * result value payload class
+ * custom Result<T, E> implementation
+ */
+template <class T>
+using QueuedResult = Result::Result<T, QueuedEnums::ReturnStatus>;
+Q_DECLARE_METATYPE(QueuedResult<bool>)
+Q_DECLARE_METATYPE(QueuedResult<long long>)
+Q_DECLARE_METATYPE(QueuedResult<QString>)
+Q_DECLARE_METATYPE(QueuedResult<QStringList>)
+Q_DECLARE_METATYPE(QueuedResult<QVariant>)
+Q_DECLARE_METATYPE(QueuedResult<QList<QVariantHash>>)
+Q_DECLARE_METATYPE(QueuedResult<QueuedStatusMap>)
+/**
+ * @brief DBus marshalling method
+ * @param _argument
+ * output DBus argument
+ * @param _arg
+ * input variant object
+ * @return appended argument body
+ */
+inline QDBusArgument &operator<<(QDBusArgument &_argument, const QVariant &_arg)
+{
+    return _argument << QDBusVariant(_arg.isValid() ? _arg : "");
+};
+/**
+ * @brief DBus un-marshalling method
+ * @param _argument
+ * input DBus argument
+ * @param _arg
+ * output variant object
+ * @return source DBus argument
+ */
+inline const QDBusArgument &operator>>(const QDBusArgument &_argument,
+                                       QVariant &_arg)
+{
+    QDBusVariant variant;
+
+    _argument >> variant;
+    _arg = variant.variant();
+
+    return _argument;
+};
+/**
+ * @brief DBus marshalling method
+ * @tparam T
+ * result value payload class
+ * @param _argument
+ * output DBus argument
+ * @param _arg
+ * input result object
+ * @return appended argument body
+ */
+template <class T>
+inline QDBusArgument &operator<<(QDBusArgument &_argument,
+                                 const QueuedResult<T> &_arg)
+{
+    // HACK we are using explicit cast to QString here to make sure of valid
+    // marshalling
+    _argument.beginStructure();
+    switch (_arg.type()) {
+    case Result::Content::Value:
+        _argument << QString("v");
+        _argument << _arg.get();
+        _argument << QueuedError();
+        break;
+    case Result::Content::Error:
+        _argument << QString("e");
+        _argument << T();
+        _argument << _arg.error();
+        break;
+    case Result::Content::Empty:
+        _argument << QString("n");
+        _argument << T();
+        _argument << QueuedError();
+        break;
+    }
+    _argument.endStructure();
+
+    return _argument;
+};
+/**
+ * @brief DBus un-marshalling method
+ * @tparam T
+ * result value payload class
+ * @param _argument
+ * input DBus argument
+ * @param _arg
+ * output result object
+ * @return source DBus argument
+ */
+template <class T>
+inline const QDBusArgument &operator>>(const QDBusArgument &_argument,
+                                       QueuedResult<T> &_arg)
+{
+    QString type;
+    T value;
+    QueuedError error;
+
+    _argument.beginStructure();
+    _argument >> type;
+    _argument >> value;
+    _argument >> error;
+    _argument.endStructure();
+
+    if (type == "v")
+        _arg = value;
+    else if (type == "e")
+        _arg = error;
+    else if (type == "n")
+        _arg = QueuedResult<T>();
+    return _argument;
+};
+
+
+#endif /* QUEUEDRESULT_H */

sources/queued/include/queued/QueuedStaticConfig.h

@@ -44,10 +44,13 @@ namespace QueuedConfig
  * administrator user name
  * @var QueuedAdminSetup::password
  * administrator user password
+ * @var QueuedAdminSetup::salt
+ * user passwords salt
  */
 typedef struct {
     QString name;
     QString password;
+    QString salt;
 } QueuedAdminSetup;
 /**
  * @struct QueuedDBSetup
@@ -80,6 +83,8 @@ typedef struct {
  * unknown key
  * @var QueuedSettings::DatabaseInterval
  * database actions interval in msecs
+ * @var QueuedSettings::DatabaseVersion
+ * internal field to control current database version
  * @var QueuedSettings::DefaultLimits
  * default limits value
  * @var QueuedSettings::KeepTasks
@@ -88,14 +93,10 @@ typedef struct {
  * keep users last logged in msecs
  * @var QueuedSettings::OnExitAction
  * on queued exit action enum
- * @var QueuedSettings::TokenExpiration
- * token expiration value in days
- * @var QueuedSettings::DatabaseVersion
- * internal field to control current database version
- * @var QueuedSettings::ProcessCommandLine
- * control process command line
  * @var QueuedSettings::Plugins
  * plugin list
+ * @var QueuedSettings::ProcessCommandLine
+ * control process command line
  * @var QueuedSettings::ServerAddress
  * queued server bind address
  * @var QueuedSettings::ServerMaxConnections
@@ -104,22 +105,24 @@ typedef struct {
  * queued server bind port
  * @var QueuedSettings::ServerTimeout
  * server thread timeout
+ * @var QueuedSettings::TokenExpiration
+ * token expiration value in days
  */
 enum class QueuedSettings {
     Invalid,
     DatabaseInterval,
+    DatabaseVersion,
     DefaultLimits,
     KeepTasks,
     KeepUsers,
     OnExitAction,
-    TokenExpiration,
-    DatabaseVersion,
-    ProcessCommandLine,
     Plugins,
+    ProcessCommandLine,
     ServerAddress,
     ServerMaxConnections,
     ServerPort,
-    ServerTimeout
+    ServerTimeout,
+    TokenExpiration
 };
 /**
  * @struct QueuedSettingsField
@@ -141,25 +144,25 @@ typedef QHash<QString, QueuedSettingsField> QueuedSettingsDefaultMap;
 /**
  * @brief default settings map
  */
-const QueuedSettingsDefaultMap QueuedSettingsDefaults = {
+static const QueuedSettingsDefaultMap QueuedSettingsDefaults = {
     {"", {QueuedSettings::Invalid, QVariant()}},
     {"DatabaseInterval", {QueuedSettings::DatabaseInterval, 86400000}},
+    {"DatabaseVersion",
+     {QueuedSettings::DatabaseVersion, QueuedConfig::DATABASE_VERSION}},
     {"DefaultLimits", {QueuedSettings::DefaultLimits, "0\n0\n0\n0\n0"}},
     {"KeepTasks", {QueuedSettings::KeepTasks, 0}},
     {"KeepUsers", {QueuedSettings::KeepUsers, 0}},
     {"OnExitAction", {QueuedSettings::OnExitAction, 2}},
-    {"TokenExpiration", {QueuedSettings::TokenExpiration, 30}},
+    {"Plugins", {QueuedSettings::Plugins, ""}},
-    {"DatabaseVersion",
-     {QueuedSettings::DatabaseVersion, QueuedConfig::DATABASE_VERSION}},
     {"ProcessCommandLine",
      {QueuedSettings::ProcessCommandLine,
       "systemd-run\n--scope\n--unit={name}\n--uid={uid}\n--gid={gid}"
       "\n-p\nCPUQuota={cpu}%\n-p\nMemoryHigh={memory}\n{application}"}},
-    {"Plugins", {QueuedSettings::Plugins, ""}},
     {"ServerAddress", {QueuedSettings::ServerAddress, ""}},
     {"ServerMaxConnections", {QueuedSettings::ServerMaxConnections, 30}},
     {"ServerPort", {QueuedSettings::ServerPort, 8080}},
     {"ServerTimeout", {QueuedSettings::ServerTimeout, -1}},
+    {"TokenExpiration", {QueuedSettings::TokenExpiration, 30}},
 };
 };
 

sources/queued/include/queued/QueuedUser.h

@@ -98,9 +98,12 @@ public:
      * @brief generates SHA512 hash from given password
      * @param _password
      * password as string
+     * @param _salt
+     * password salt if any
      * @return SHA512 of password
      */
-    static QString hashFromPassword(const QString &_password);
+    static QString hashFromPassword(const QString &_password,
+                                    const QString &_salt);
     /**
      * @brief test user permissions
      * @param _permission
@@ -117,9 +120,11 @@ public:
      * @brief check if password is valid
      * @param _password
      * password as string
+     * @param _salt
+     * password salt if any
      * @return true if password matches stored hash
      */
-    bool isPasswordValid(const QString &_password) const;
+    bool isPasswordValid(const QString &_password, const QString &_salt) const;
     /**
      * @brief remove permissions from user
      * @param _permission

sources/queued/include/queued/QueuedUserManager.h

@@ -39,6 +39,7 @@ class QueuedTokenManager;
 class QueuedUserManager : public QObject
 {
     Q_OBJECT
+    Q_PROPERTY(QString salt READ salt WRITE setSalt)
     Q_PROPERTY(
         long long tokenExpiration READ tokenExpiration WRITE setTokenExpiration)
 
@@ -144,11 +145,22 @@ public:
      */
     QueuedUser *user(const QString &_name, const bool _isToken);
     // properties
+    /**
+     * @brief password salt if any
+     * @return password salt if any or empty string
+     */
+    QString salt() const;
     /**
      * @brief token expiration
      * @return token expiration in days
      */
     long long tokenExpiration() const;
+    /**
+     * @brief set password salt
+     * @param _salt
+     * new password salt
+     */
+    void setSalt(const QString &_salt);
     /**
      * @brief set token expiration
      * @param _expiry
@@ -167,6 +179,10 @@ signals:
     void userLoggedIn(const long long _id, const QDateTime &_time);
 
 private:
+    /**
+     * @brief password salt
+     */
+    QString m_salt;
     /**
      * @brief token expiration in days
      */

sources/queued/src/CMakeLists.txt

@@ -6,6 +6,7 @@ file (GLOB_RECURSE SUBPROJECT_HEADERS "*.h" "${PROJECT_LIBRARY_DIR}/*h")
 include_directories ("${PROJECT_LIBRARY_DIR}/include"
                      "${CMAKE_CURRENT_BINARY_DIR}"
                      "${CMAKE_BINARY_DIR}"
+                     "${PROJECT_TRDPARTY_DIR}"
                      "${Qt_INCLUDE}")
 
 qt5_wrap_cpp (SUBPROJECT_MOC_SOURCES "${SUBPROJECT_HEADERS}")

sources/queued/src/QueuedAdvancedSettings.cpp

@@ -16,7 +16,7 @@
  * @file QueuedAdvancedSettings.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedControlGroupsAdaptor.cpp

@@ -16,7 +16,7 @@
  * @file QueuedControlGroupsAdaptor.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedCore.cpp

@@ -16,7 +16,7 @@
  * @file QueuedCore.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 
@@ -25,8 +25,11 @@
 
 #include <QDBusConnection>
 #include <QDBusMessage>
+#include <variant>
 
+#include "../../3rdparty/result/result.hpp"
 #include <queued/QueuedDatabaseSchema.h>
+#include <queued/QueuedStaticConfig.h>
 
 
 /**
@@ -56,14 +59,16 @@ QueuedCore::~QueuedCore()
 /**
  * @fn addPlugin
  */
-bool QueuedCore::addPlugin(const QString &_plugin, const QString &_token)
+QueuedResult<bool> QueuedCore::addPlugin(const QString &_plugin,
+                                         const QString &_token)
 {
     qCDebug(LOG_LIB) << "Add plugin" << _plugin;
 
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
     if (!isAdmin) {
         qCInfo(LOG_LIB) << "User" << _token << "not allowed to add plugin";
-        return false;
+        return QueuedError("Not allowed",
+                           QueuedEnums::ReturnStatus::InsufficientPermissions);
     }
 
     return editPluginPrivate(_plugin, true);
@@ -73,7 +78,7 @@ bool QueuedCore::addPlugin(const QString &_plugin, const QString &_token)
 /**
  * @addTask
  */
-long long
+QueuedResult<long long>
 QueuedCore::addTask(const QString &_command, const QStringList &_arguments,
                     const QString &_workingDirectory, const long long _userId,
                     const QueuedLimits::Limits &_limits, const QString &_token)
@@ -84,7 +89,8 @@ QueuedCore::addTask(const QString &_command, const QStringList &_arguments,
     auto authUser = m_users->user(_token, true);
     if (!authUser) {
         qCWarning(LOG_LIB) << "Could not find auth user" << _token;
-        return false;
+        return QueuedError("Invalid token",
+                           QueuedEnums::ReturnStatus::InvalidToken);
     }
     long long userAuthId = authUser->index();
     long long actualUserId = (_userId == -1) ? userAuthId : _userId;
@@ -96,13 +102,17 @@ QueuedCore::addTask(const QString &_command, const QStringList &_arguments,
         // it means that user places task as own one
         if (!isUser) {
             qCInfo(LOG_LIB) << "User" << _token << "not allowed to add task";
-            return -1;
+            return QueuedError(
+                "Not allowed",
+                QueuedEnums::ReturnStatus::InsufficientPermissions);
         }
     } else {
         // user tries to place task as another one
         if (!isAdmin) {
             qCInfo(LOG_LIB) << "User" << _token << "not allowed to add task";
-            return -1;
+            return QueuedError(
+                "Not allowed",
+                QueuedEnums::ReturnStatus::InsufficientPermissions);
         }
     }
 
@@ -114,10 +124,10 @@ QueuedCore::addTask(const QString &_command, const QStringList &_arguments,
 /**
  * @fn addUser
  */
-long long QueuedCore::addUser(const QString &_name, const QString &_email,
+QueuedResult<long long>
+QueuedCore::addUser(const QString &_name, const QString &_email,
                     const QString &_password, const uint _permissions,
-                              const QueuedLimits::Limits &_limits,
+                    const QueuedLimits::Limits &_limits, const QString &_token)
-                              const QString &_token)
 {
     qCDebug(LOG_LIB) << "Add user" << _name << "with email" << _email
                      << "and permissions" << _permissions;
@@ -126,14 +136,16 @@ long long QueuedCore::addUser(const QString &_name, const QString &_email,
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
     if (!isAdmin) {
         qCInfo(LOG_LIB) << "User" << _token << "not allowed to add user";
-        return -1;
+        return QueuedError("Not allowed",
+                           QueuedEnums::ReturnStatus::InsufficientPermissions);
     }
 
     // check if already exists
     auto userObj = user(_name);
     if (userObj) {
         qCWarning(LOG_LIB) << "User" << _name << "already exists";
-        return -1;
+        return QueuedError("User already exists",
+                           QueuedEnums::ReturnStatus::InvalidArgument);
     }
 
     return addUserPrivate(_name, _email, _password, _permissions, _limits);
@@ -143,7 +155,7 @@ long long QueuedCore::addUser(const QString &_name, const QString &_email,
 /**
  * @fn authorization
  */
-bool QueuedCore::authorization(const QString &_token)
+QueuedResult<bool> QueuedCore::authorization(const QString &_token)
 {
     bool status = false;
     m_users->checkToken(_token, &status);
@@ -155,29 +167,32 @@ bool QueuedCore::authorization(const QString &_token)
 /**
  * @fn authorization
  */
-QString QueuedCore::authorization(const QString &_name,
+QueuedResult<QString> QueuedCore::authorization(const QString &_name,
                                                 const QString &_password)
 {
     qCDebug(LOG_LIB) << "Authorize user" << _name;
 
     QString token = m_users->authorize(_name, _password);
-    if (!token.isEmpty()) {
+    if (token.isEmpty()) {
+        return QueuedError("Invalid username or password",
+                           QueuedEnums::ReturnStatus::InvalidPassword);
+    } else {
         QVariantHash payload
             = {{"token", token},
                {"user", _name},
                {"validUntil",
                 m_users->checkToken(token).toString(Qt::ISODateWithMs)}};
         m_database->add(QueuedDB::TOKENS_TABLE, payload);
-    }
-
         return token;
+    }
 }
 
 
 /**
  * @fn editOption
  */
-bool QueuedCore::editOption(const QString &_key, const QVariant &_value,
+QueuedResult<bool> QueuedCore::editOption(const QString &_key,
+                                          const QVariant &_value,
                                           const QString &_token)
 {
     qCDebug(LOG_LIB) << "Set key" << _key << "to" << _value;
@@ -186,7 +201,8 @@ bool QueuedCore::editOption(const QString &_key, const QVariant &_value,
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
     if (!isAdmin) {
         qCInfo(LOG_LIB) << "User" << _token << "not allowed to edit options";
-        return false;
+        return QueuedError("Not allowed",
+                           QueuedEnums::ReturnStatus::InsufficientPermissions);
     }
 
     return editOptionPrivate(_key, _value);
@@ -196,7 +212,8 @@ bool QueuedCore::editOption(const QString &_key, const QVariant &_value,
 /**
  * @fn editTask
  */
-bool QueuedCore::editTask(const long long _id, const QVariantHash &_taskData,
+QueuedResult<bool> QueuedCore::editTask(const long long _id,
+                                        const QVariantHash &_taskData,
                                         const QString &_token)
 {
     qCDebug(LOG_LIB) << "Edit task with ID" << _id;
@@ -204,14 +221,16 @@ bool QueuedCore::editTask(const long long _id, const QVariantHash &_taskData,
     auto task = m_processes->process(_id);
     if (!task) {
         qCWarning(LOG_LIB) << "Could not find task with ID" << _id;
-        return false;
+        return QueuedError("Task does not exist",
+                           QueuedEnums::ReturnStatus::InvalidArgument);
     }
 
     // check permissions
     auto authUser = m_users->user(_token, true);
     if (!authUser) {
         qCWarning(LOG_LIB) << "Could not find auth user" << _token;
-        return false;
+        return QueuedError("Invalid token",
+                           QueuedEnums::ReturnStatus::InvalidToken);
     }
     long long userAuthId = authUser->index();
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
@@ -220,13 +239,17 @@ bool QueuedCore::editTask(const long long _id, const QVariantHash &_taskData,
         // it means that user edits own task
         if (!isUser) {
             qCInfo(LOG_LIB) << "User" << _token << "not allowed to edit task";
-            return false;
+            return QueuedError(
+                "Not allowed",
+                QueuedEnums::ReturnStatus::InsufficientPermissions);
         }
     } else {
         // user tries to edit random task
         if (!isAdmin) {
             qCInfo(LOG_LIB) << "User" << _token << "not allowed to edit task";
-            return false;
+            return QueuedError(
+                "Not allowed",
+                QueuedEnums::ReturnStatus::InsufficientPermissions);
         }
     }
     // only admin can edit run/stopped task
@@ -234,7 +257,9 @@ bool QueuedCore::editTask(const long long _id, const QVariantHash &_taskData,
         if (!isAdmin) {
             qCInfo(LOG_LIB)
                 << "User" << _token << "not allowed to edit run/exited task";
-            return false;
+            return QueuedError(
+                "Not allowed",
+                QueuedEnums::ReturnStatus::InsufficientPermissions);
         }
     }
 
@@ -250,7 +275,8 @@ bool QueuedCore::editTask(const long long _id, const QVariantHash &_taskData,
 /**
  * @fn editUser
  */
-bool QueuedCore::editUser(const long long _id, const QVariantHash &_userData,
+QueuedResult<bool> QueuedCore::editUser(const long long _id,
+                                        const QVariantHash &_userData,
                                         const QString &_token)
 {
     qCDebug(LOG_LIB) << "Edit user with ID" << _id;
@@ -258,21 +284,25 @@ bool QueuedCore::editUser(const long long _id, const QVariantHash &_userData,
     auto userObj = user(_id);
     if (!userObj) {
         qCWarning(LOG_LIB) << "Could not find user with ID" << _id;
-        return false;
+        return QueuedError("User does not exist",
+                           QueuedEnums::ReturnStatus::InvalidArgument);
     }
 
     // check permissions
     auto authUser = m_users->user(_token, true);
     if (!authUser) {
         qCWarning(LOG_LIB) << "Could not find auth user" << _token;
-        return false;
+        return QueuedError("Invalid token",
+                           QueuedEnums::ReturnStatus::InvalidToken);
     }
     long long userAuthId = authUser->index();
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
     if (userAuthId != _id) {
         if (!isAdmin) {
             qCInfo(LOG_LIB) << "User" << _token << "not allowed to edit user";
-            return false;
+            return QueuedError(
+                "Not allowed",
+                QueuedEnums::ReturnStatus::InsufficientPermissions);
         }
     }
 
@@ -288,7 +318,8 @@ bool QueuedCore::editUser(const long long _id, const QVariantHash &_userData,
 /**
  * @fn editUserPermission
  */
-bool QueuedCore::editUserPermission(const long long _id,
+QueuedResult<bool>
+QueuedCore::editUserPermission(const long long _id,
                                const QueuedEnums::Permission &_permission,
                                const bool _add, const QString &_token)
 {
@@ -296,29 +327,33 @@ bool QueuedCore::editUserPermission(const long long _id,
                      << "for user" << _id << "add" << _add;
 
     // check permissions
-    auto authUser = m_users->user(_token, true);
-    if (!authUser) {
-        qCWarning(LOG_LIB) << "Could not find auth user" << _token;
-        return false;
-    }
-    long long userAuthId = authUser->index();
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
-    if (userAuthId != _id) {
     if (!isAdmin) {
-            qCInfo(LOG_LIB)
+        qCInfo(LOG_LIB) << "User" << _token
-                << "User" << _token << "not allowed to edit permissions";
+                        << "not allowed to edit permissions";
-            return false;
+        return QueuedError("Not allowed",
-        }
+                           QueuedEnums::ReturnStatus::InsufficientPermissions);
     }
 
     return editUserPermissionPrivate(_id, _permission, _add);
 }
 
 
+/**
+ * @fn hashFromPassword
+ */
+QueuedResult<QString> QueuedCore::hashFromPassword(const QString &_password)
+{
+    return _password.isEmpty() ? ""
+                               : QueuedUser::hashFromPassword(
+                                     _password, m_settings->admin().salt);
+}
+
+
 /**
  * @fn option
  */
-QVariant QueuedCore::option(const QString &_key)
+QueuedResult<QVariant> QueuedCore::option(const QString &_key)
 {
     qCDebug(LOG_LIB) << "Look for option" << _key;
 
@@ -329,8 +364,8 @@ QVariant QueuedCore::option(const QString &_key)
 /**
  * @fn performanceReport
  */
-QList<QVariantHash> QueuedCore::performanceReport(const QDateTime &_from,
+QueuedResult<QList<QVariantHash>>
-                                                  const QDateTime &_to,
+QueuedCore::performanceReport(const QDateTime &_from, const QDateTime &_to,
                               const QString &_token) const
 {
     qCDebug(LOG_LIB) << "Get performance report for" << _from << _to;
@@ -339,7 +374,8 @@ QList<QVariantHash> QueuedCore::performanceReport(const QDateTime &_from,
     auto authUser = m_users->user(_token, true);
     if (!authUser) {
         qCWarning(LOG_LIB) << "Could not find auth user" << _token;
-        return QList<QVariantHash>();
+        return QueuedError("Invalid token",
+                           QueuedEnums::ReturnStatus::InvalidToken);
     }
     long long userAuthId = authUser->index();
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Reports);
@@ -382,14 +418,16 @@ QVariantHash QueuedCore::pluginSettings(const QString &_plugin)
 /**
  * @fn removePlugin
  */
-bool QueuedCore::removePlugin(const QString &_plugin, const QString &_token)
+QueuedResult<bool> QueuedCore::removePlugin(const QString &_plugin,
+                                            const QString &_token)
 {
     qCDebug(LOG_LIB) << "Remove plugin" << _plugin;
 
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
     if (!isAdmin) {
         qCInfo(LOG_LIB) << "User" << _token << "not allowed to remove plugin";
-        return false;
+        return QueuedError("Not allowed",
+                           QueuedEnums::ReturnStatus::InsufficientPermissions);
     }
 
     return editPluginPrivate(_plugin, false);
@@ -399,7 +437,8 @@ bool QueuedCore::removePlugin(const QString &_plugin, const QString &_token)
 /**
  * @fn startTask
  */
-bool QueuedCore::startTask(const long long _id, const QString &_token)
+QueuedResult<bool> QueuedCore::startTask(const long long _id,
+                                         const QString &_token)
 {
     qCDebug(LOG_LIB) << "Force start task with ID" << _id;
 
@@ -407,14 +446,17 @@ bool QueuedCore::startTask(const long long _id, const QString &_token)
     auto authUser = m_users->user(_token, true);
     if (!authUser) {
         qCWarning(LOG_LIB) << "Could not find auth user" << _token;
-        return false;
+        return QueuedError("Invalid token",
+                           QueuedEnums::ReturnStatus::InvalidToken);
     }
     long long userAuthId = authUser->index();
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
     if (userAuthId != _id) {
         if (!isAdmin) {
             qCInfo(LOG_LIB) << "User" << _token << "not allowed to start tasks";
-            return false;
+            return QueuedError(
+                "Not allowed",
+                QueuedEnums::ReturnStatus::InsufficientPermissions);
         }
     }
 
@@ -427,21 +469,24 @@ bool QueuedCore::startTask(const long long _id, const QString &_token)
 /**
  * @fn stopTask
  */
-bool QueuedCore::stopTask(const long long _id, const QString &_token)
+QueuedResult<bool> QueuedCore::stopTask(const long long _id,
+                                        const QString &_token)
 {
     qCDebug(LOG_LIB) << "Force stop task with ID" << _id;
 
     auto task = m_processes->process(_id);
     if (!task) {
         qCWarning(LOG_LIB) << "Could not find task with ID" << _id;
-        return false;
+        return QueuedError("Task does not exist",
+                           QueuedEnums::ReturnStatus::InvalidArgument);
     }
 
     // check permissions
     auto authUser = m_users->user(_token, true);
     if (!authUser) {
         qCWarning(LOG_LIB) << "Could not find auth user" << _token;
-        return false;
+        return QueuedError("Invalid token",
+                           QueuedEnums::ReturnStatus::InvalidToken);
     }
     long long userAuthId = authUser->index();
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
@@ -450,13 +495,17 @@ bool QueuedCore::stopTask(const long long _id, const QString &_token)
         // it means that user edits own task
         if (!isUser) {
             qCInfo(LOG_LIB) << "User" << _token << "not allowed to stop task";
-            return false;
+            return QueuedError(
+                "Not allowed",
+                QueuedEnums::ReturnStatus::InsufficientPermissions);
         }
     } else {
         // user tries to edit random task
         if (!isAdmin) {
             qCInfo(LOG_LIB) << "User" << _token << "not allowed to stop task";
-            return false;
+            return QueuedError(
+                "Not allowed",
+                QueuedEnums::ReturnStatus::InsufficientPermissions);
         }
     }
 
@@ -480,10 +529,9 @@ const QueuedProcess *QueuedCore::task(const long long _id) const
 /**
  * @fn taskReport
  */
-QList<QVariantHash> QueuedCore::taskReport(const long long _user,
+QueuedResult<QList<QVariantHash>>
-                                           const QDateTime &_from,
+QueuedCore::taskReport(const long long _user, const QDateTime &_from,
-                                           const QDateTime &_to,
+                       const QDateTime &_to, const QString &_token) const
-                                           const QString &_token) const
 {
     qCDebug(LOG_LIB) << "Get tasks table by" << _user << _from << _to;
 
@@ -491,7 +539,8 @@ QList<QVariantHash> QueuedCore::taskReport(const long long _user,
     auto authUser = m_users->user(_token, true);
     if (!authUser) {
         qCWarning(LOG_LIB) << "Could not find auth user" << _token;
-        return QList<QVariantHash>();
+        return QueuedError("Invalid token",
+                           QueuedEnums::ReturnStatus::InvalidToken);
     }
     long long userAuthId = authUser->index();
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Reports);
@@ -502,7 +551,9 @@ QList<QVariantHash> QueuedCore::taskReport(const long long _user,
         if (!isAdmin) {
             qCInfo(LOG_LIB)
                 << "User" << _token << "not allowed to get task report";
-            return QList<QVariantHash>();
+            return QueuedError(
+                "Not allowed",
+                QueuedEnums::ReturnStatus::InsufficientPermissions);
         }
     }
 
@@ -535,7 +586,7 @@ const QueuedUser *QueuedCore::user(const QString &_name) const
 /**
  * @fn userReport
  */
-QList<QVariantHash>
+QueuedResult<QList<QVariantHash>>
 QueuedCore::userReport(const QDateTime &_lastLogged,
                        const QueuedEnums::Permission _permission,
                        const QString &_token) const
@@ -547,7 +598,8 @@ QueuedCore::userReport(const QDateTime &_lastLogged,
     bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Reports);
     if (!isAdmin) {
         qCInfo(LOG_LIB) << "User" << _token << "not allowed to get user report";
-        return QList<QVariantHash>();
+        return QueuedError("Not allowed",
+                           QueuedEnums::ReturnStatus::InsufficientPermissions);
     }
 
     return m_reports->users(_lastLogged, _permission);
@@ -617,7 +669,7 @@ void QueuedCore::updateSettings(const QueuedConfig::QueuedSettings _id,
     qCDebug(LOG_LIB) << "Received update for" << static_cast<int>(_id) << _key
                      << "with value" << _value;
 
-    // FIXME propbably there is a better way to change settings
+    // FIXME probably there is a better way to change settings
     switch (_id) {
     case QueuedConfig::QueuedSettings::Invalid:
         // check if it is plugin settings
@@ -870,6 +922,7 @@ void QueuedCore::initUsers()
               .toLongLong();
 
     m_users = initObject(m_users);
+    m_users->setSalt(m_settings->admin().salt);
     m_users->setTokenExpiration(expiry);
     QString now = QDateTime::currentDateTimeUtc().toString(Qt::ISODateWithMs);
     auto dbTokens = m_database->get(
@@ -888,10 +941,9 @@ void QueuedCore::initUsers()
 /**
  * @addTaskPrivate
  */
-long long QueuedCore::addTaskPrivate(const QString &_command,
+QueuedResult<long long> QueuedCore::addTaskPrivate(
-                                     const QStringList &_arguments,
+    const QString &_command, const QStringList &_arguments,
-                                     const QString &_workingDirectory,
+    const QString &_workingDirectory, const long long _userId,
-                                     const long long _userId,
     const QueuedLimits::Limits &_limits)
 {
     qCDebug(LOG_LIB) << "Add task" << _command << "with arguments" << _arguments
@@ -902,7 +954,8 @@ long long QueuedCore::addTaskPrivate(const QString &_command,
     auto userObj = user(_userId);
     if (!userObj) {
         qCWarning(LOG_LIB) << "Could not find task user" << _userId;
-        return false;
+        return QueuedError("Invalid token",
+                           QueuedEnums::ReturnStatus::InvalidToken);
     }
     auto taskLimits = QueuedLimits::minimalLimits(
         _limits, userObj->nativeLimits(),
@@ -920,7 +973,7 @@ long long QueuedCore::addTaskPrivate(const QString &_command,
     auto id = m_database->add(QueuedDB::TASKS_TABLE, properties);
     if (id == -1) {
         qCWarning(LOG_LIB) << "Could not add task" << _command;
-        return id;
+        return QueuedError("", QueuedEnums::ReturnStatus::Error);
     }
 
     // add to child object
@@ -936,10 +989,9 @@ long long QueuedCore::addTaskPrivate(const QString &_command,
 /**
  * @fn addUserPrivate
  */
-long long QueuedCore::addUserPrivate(const QString &_name,
+QueuedResult<long long>
-                                     const QString &_email,
+QueuedCore::addUserPrivate(const QString &_name, const QString &_email,
-                                     const QString &_password,
+                           const QString &_password, const uint _permissions,
-                                     const uint _permissions,
                            const QueuedLimits::Limits &_limits)
 {
     qCDebug(LOG_LIB) << "Add user" << _name << "with email" << _email
@@ -953,7 +1005,7 @@ long long QueuedCore::addUserPrivate(const QString &_name,
     auto id = m_database->add(QueuedDB::USERS_TABLE, properties);
     if (id == -1) {
         qCWarning(LOG_LIB) << "Could not add user" << _name;
-        return id;
+        return QueuedError("", QueuedEnums::ReturnStatus::Error);
     }
 
     // add to child object
@@ -969,7 +1021,8 @@ long long QueuedCore::addUserPrivate(const QString &_name,
 /**
  * @fn editOptionPrivate
  */
-bool QueuedCore::editOptionPrivate(const QString &_key, const QVariant &_value)
+QueuedResult<bool> QueuedCore::editOptionPrivate(const QString &_key,
+                                                 const QVariant &_value)
 {
     qCDebug(LOG_LIB) << "Set key" << _key << "to" << _value;
 
@@ -1009,7 +1062,8 @@ bool QueuedCore::editOptionPrivate(const QString &_key, const QVariant &_value)
 /**
  * @fn editPluginPrivate
  */
-bool QueuedCore::editPluginPrivate(const QString &_plugin, const bool _add)
+QueuedResult<bool> QueuedCore::editPluginPrivate(const QString &_plugin,
+                                                 const bool _add)
 {
     qCDebug(LOG_LIB) << "Edit plugin" << _plugin << "add" << _add;
 
@@ -1018,19 +1072,25 @@ bool QueuedCore::editPluginPrivate(const QString &_plugin, const bool _add)
               .toString()
               .split('\n');
 
-    bool status = false;
+    QueuedResult<bool> r;
     if (_add && !pluginList.contains(_plugin)) {
-        status = m_plugins->loadPlugin(_plugin, pluginSettings(_plugin));
+        if (m_plugins->loadPlugin(_plugin, pluginSettings(_plugin))) {
             pluginList.append(_plugin);
+            r = true;
+        }
     } else if (!_add && pluginList.contains(_plugin)) {
-        status = m_plugins->unloadPlugin(_plugin);
+        if (m_plugins->unloadPlugin(_plugin)) {
             pluginList.removeAll(_plugin);
+            r = true;
+        }
     } else {
         qCDebug(LOG_LIB) << "Plugin" << _plugin
                          << "not loaded or already loaded";
+        r = QueuedError("Plugin is not loaded or already loaded",
+                        QueuedEnums::ReturnStatus::Error);
     }
 
-    if (status) {
+    if (r.type() == Result::Content::Value) {
         editOptionPrivate(m_advancedSettings->internalId(
                               QueuedConfig::QueuedSettings::Plugins),
                           pluginList.join('\n'));
@@ -1043,14 +1103,14 @@ bool QueuedCore::editPluginPrivate(const QString &_plugin, const bool _add)
         }
     }
 
-    return status;
+    return r;
 }
 
 
 /**
  * @fn editTaskPrivate
  */
-bool QueuedCore::editTaskPrivate(const long long _id,
+QueuedResult<bool> QueuedCore::editTaskPrivate(const long long _id,
                                                const QVariantHash &_taskData)
 {
     qCDebug(LOG_LIB) << "Edit task with ID" << _id;
@@ -1058,7 +1118,8 @@ bool QueuedCore::editTaskPrivate(const long long _id,
     auto task = m_processes->process(_id);
     if (!task) {
         qCWarning(LOG_LIB) << "Could not find task with ID" << _id;
-        return false;
+        return QueuedError("Task does not exist",
+                           QueuedEnums::ReturnStatus::InvalidArgument);
     }
 
     // modify record in database first
@@ -1066,7 +1127,7 @@ bool QueuedCore::editTaskPrivate(const long long _id,
     if (!status) {
         qCWarning(LOG_LIB) << "Could not modify task record" << _id
                            << "in database, do not edit it in memory";
-        return false;
+        return QueuedError("", QueuedEnums::ReturnStatus::Error);
     }
 
     // modify values stored in memory
@@ -1083,7 +1144,7 @@ bool QueuedCore::editTaskPrivate(const long long _id,
 /**
  * @fn editUserPrivate
  */
-bool QueuedCore::editUserPrivate(const long long _id,
+QueuedResult<bool> QueuedCore::editUserPrivate(const long long _id,
                                                const QVariantHash &_userData)
 {
     qCDebug(LOG_LIB) << "Edit user with ID" << _id;
@@ -1091,7 +1152,8 @@ bool QueuedCore::editUserPrivate(const long long _id,
     auto userObj = m_users->user(_id);
     if (!userObj) {
         qCWarning(LOG_LIB) << "Could not find user with ID" << _id;
-        return false;
+        return QueuedError("User does not exist",
+                           QueuedEnums::ReturnStatus::InvalidArgument);
     };
 
     // modify record in database first
@@ -1099,7 +1161,7 @@ bool QueuedCore::editUserPrivate(const long long _id,
     if (!status) {
         qCWarning(LOG_LIB) << "Could not modify user record" << _id
                            << "in database, do not edit it in memory";
-        return false;
+        return QueuedError("", QueuedEnums::ReturnStatus::Error);
     }
 
     // modify values stored in memory
@@ -1116,7 +1178,7 @@ bool QueuedCore::editUserPrivate(const long long _id,
 /**
  * @fn editUserPermissionPrivate
  */
-bool QueuedCore::editUserPermissionPrivate(
+QueuedResult<bool> QueuedCore::editUserPermissionPrivate(
     const long long _id, const QueuedEnums::Permission &_permission,
     const bool _add)
 {
@@ -1126,14 +1188,15 @@ bool QueuedCore::editUserPermissionPrivate(
     auto userObj = m_users->user(_id);
     if (!userObj) {
         qCWarning(LOG_LIB) << "Could not find user with ID" << _id;
-        return false;
+        return QueuedError("User does not exist",
+                           QueuedEnums::ReturnStatus::InvalidArgument);
     }
 
     // edit runtime permissions to get value
     auto perms = _add ? userObj->addPermission(_permission)
                       : userObj->removePermission(_permission);
     auto permissions = static_cast<uint>(perms);
-    qCInfo(LOG_LIB) << "New user permissions" << perms << permissions;
+    qCInfo(LOG_LIB) << "New user permissions" << perms;
 
     // modify in database now
     QVariantHash payload = {{"permissions", permissions}};
@@ -1146,7 +1209,7 @@ bool QueuedCore::editUserPermissionPrivate(
             userObj->removePermission(_permission);
         else
             userObj->addPermission(_permission);
-        return false;
+        return QueuedError("", QueuedEnums::ReturnStatus::Error);
     }
 
     return true;

sources/queued/src/QueuedCoreAdaptor.cpp

@@ -16,51 +16,45 @@
  * @file QueuedCoreAdaptor.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 
 
 #include <queued/Queued.h>
 
-#include <QDBusConnection>
-#include <QDBusMessage>
-
 
 /**
  * @fn auth
  */
-bool QueuedCoreAdaptor::auth(const QString &_token)
+QueuedResult<bool> QueuedCoreAdaptor::auth(const QString &_token)
 {
     QVariantList args = {_token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<bool>(QueuedConfig::DBUS_SERVICE,
                              QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "TryAuth", args)
+                             QueuedConfig::DBUS_SERVICE, "TryAuth", args);
-        .first()
-        .toBool();
 }
 
 
 /**
  * @fn auth
  */
-QString QueuedCoreAdaptor::auth(const QString &_name, const QString &_password)
+QueuedResult<QString> QueuedCoreAdaptor::auth(const QString &_name,
+                                              const QString &_password)
 {
     qCDebug(LOG_DBUS) << "Auth user" << _name;
 
     QVariantList args = {_name, _password};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<QString>(QueuedConfig::DBUS_SERVICE,
                                 QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "Auth", args)
+                                QueuedConfig::DBUS_SERVICE, "Auth", args);
-        .first()
-        .toString();
 }
 
 
 /**
  * @fn sendOptionEdit
  */
-bool QueuedCoreAdaptor::sendOptionEdit(const QString &_key,
+QueuedResult<bool> QueuedCoreAdaptor::sendOptionEdit(const QString &_key,
                                                      const QVariant &_value,
                                                      const QString &_token)
 {
@@ -68,52 +62,59 @@ bool QueuedCoreAdaptor::sendOptionEdit(const QString &_key,
 
     QVariantList args
         = {_key, QVariant::fromValue(QDBusVariant(_value)), _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<bool>(QueuedConfig::DBUS_SERVICE,
                              QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "OptionEdit", args)
+                             QueuedConfig::DBUS_SERVICE, "OptionEdit", args);
-        .first()
+}
-        .toBool();
+
+
+/**
+ * @fn sendPasswordHash
+ */
+QueuedResult<QString>
+QueuedCoreAdaptor::sendPasswordHash(const QString &_password)
+{
+    QVariantList args = {_password};
+    return sendRequest<QString>(QueuedConfig::DBUS_SERVICE,
+                                QueuedConfig::DBUS_OBJECT_PATH,
+                                QueuedConfig::DBUS_SERVICE, "Auth", args);
 }
 
 
 /**
  * @fn sendPluginAdd
  */
-bool QueuedCoreAdaptor::sendPluginAdd(const QString &_plugin,
+QueuedResult<bool> QueuedCoreAdaptor::sendPluginAdd(const QString &_plugin,
                                                     const QString &_token)
 {
     qCDebug(LOG_DBUS) << "Add plugin" << _plugin;
 
     QVariantList args = {_plugin, _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<bool>(QueuedConfig::DBUS_SERVICE,
                              QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "PluginAdd", args)
+                             QueuedConfig::DBUS_SERVICE, "PluginAdd", args);
-        .first()
-        .toBool();
 }
 
 
 /**
  * @fn sendPluginRemove
  */
-bool QueuedCoreAdaptor::sendPluginRemove(const QString &_plugin,
+QueuedResult<bool> QueuedCoreAdaptor::sendPluginRemove(const QString &_plugin,
                                                        const QString &_token)
 {
     qCDebug(LOG_DBUS) << "Remove plugin" << _plugin;
 
     QVariantList args = {_plugin, _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<bool>(QueuedConfig::DBUS_SERVICE,
                              QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "PluginRemove", args)
+                             QueuedConfig::DBUS_SERVICE, "PluginRemove", args);
-        .first()
-        .toBool();
 }
 
 
 /**
  * @fn sendTaskAdd
  */
-long long QueuedCoreAdaptor::sendTaskAdd(
+QueuedResult<long long> QueuedCoreAdaptor::sendTaskAdd(
     const QueuedProcess::QueuedProcessDefinitions &_definitions,
     const QString &_token)
 {
@@ -130,18 +131,16 @@ long long QueuedCoreAdaptor::sendTaskAdd(
                          limits.gpumemory,
                          limits.storage,
                          _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<long long>(QueuedConfig::DBUS_SERVICE,
                                   QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "TaskAdd", args)
+                                  QueuedConfig::DBUS_SERVICE, "TaskAdd", args);
-        .first()
-        .toLongLong();
 }
 
 
 /**
  * @fn sendTaskEdit
  */
-bool QueuedCoreAdaptor::sendTaskEdit(
+QueuedResult<bool> QueuedCoreAdaptor::sendTaskEdit(
     const long long _id,
     const QueuedProcess::QueuedProcessDefinitions &_definitions,
     const QString &_token)
@@ -163,51 +162,46 @@ bool QueuedCoreAdaptor::sendTaskEdit(
                          limits.gpumemory,
                          limits.storage,
                          _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<bool>(QueuedConfig::DBUS_SERVICE,
                              QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "TaskEdit", args)
+                             QueuedConfig::DBUS_SERVICE, "TaskEdit", args);
-        .first()
-        .toBool();
 }
 
 
 /**
  * @fn sendTaskStart
  */
-bool QueuedCoreAdaptor::sendTaskStart(const long long _id,
+QueuedResult<bool> QueuedCoreAdaptor::sendTaskStart(const long long _id,
                                                     const QString &_token)
 {
     qCDebug(LOG_DBUS) << "Start task" << _id;
 
     QVariantList args = {_id, _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<bool>(QueuedConfig::DBUS_SERVICE,
                              QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "TaskStart", args)
+                             QueuedConfig::DBUS_SERVICE, "TaskStart", args);
-        .first()
-        .toBool();
 }
 
 
 /**
  * @fn sendTaskStop
  */
-bool QueuedCoreAdaptor::sendTaskStop(const long long _id, const QString &_token)
+QueuedResult<bool> QueuedCoreAdaptor::sendTaskStop(const long long _id,
+                                                   const QString &_token)
 {
     qCDebug(LOG_DBUS) << "Stop task" << _id;
 
     QVariantList args = {_id, _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<bool>(QueuedConfig::DBUS_SERVICE,
                              QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "TaskStop", args)
+                             QueuedConfig::DBUS_SERVICE, "TaskStop", args);
-        .first()
-        .toBool();
 }
 
 
 /**
  * @fn sendUserAdd
  */
-long long QueuedCoreAdaptor::sendUserAdd(
+QueuedResult<long long> QueuedCoreAdaptor::sendUserAdd(
     const QueuedUser::QueuedUserDefinitions &_definitions,
     const QString &_token)
 {
@@ -224,18 +218,16 @@ long long QueuedCoreAdaptor::sendUserAdd(
                          limits.gpumemory,
                          limits.storage,
                          _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<long long>(QueuedConfig::DBUS_SERVICE,
                                   QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "UserAdd", args)
+                                  QueuedConfig::DBUS_SERVICE, "UserAdd", args);
-        .first()
-        .toLongLong();
 }
 
 
 /**
  * @fn sendUserEdit
  */
-bool QueuedCoreAdaptor::sendUserEdit(
+QueuedResult<bool> QueuedCoreAdaptor::sendUserEdit(
     const long long _id, const QueuedUser::QueuedUserDefinitions &_definitions,
     const QString &_token)
 {
@@ -252,18 +244,16 @@ bool QueuedCoreAdaptor::sendUserEdit(
                          limits.gpumemory,
                          limits.storage,
                          _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<bool>(QueuedConfig::DBUS_SERVICE,
                              QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "UserEdit", args)
+                             QueuedConfig::DBUS_SERVICE, "UserEdit", args);
-        .first()
-        .toBool();
 }
 
 
 /**
  * @fn sendUserPermissionAdd
  */
-bool QueuedCoreAdaptor::sendUserPermissionAdd(
+QueuedResult<bool> QueuedCoreAdaptor::sendUserPermissionAdd(
     const long long _id, const QueuedEnums::Permission _permission,
     const QString &_token)
 {
@@ -271,18 +261,16 @@ bool QueuedCoreAdaptor::sendUserPermissionAdd(
                       << "to" << _id;
 
     QVariantList args = {_id, static_cast<uint>(_permission), _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<bool>(
-                       QueuedConfig::DBUS_OBJECT_PATH,
+        QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "UserPermissionAdd", args)
+        QueuedConfig::DBUS_SERVICE, "UserPermissionAdd", args);
-        .first()
-        .toBool();
 }
 
 
 /**
  * @fn sendUserPermissionRemove
  */
-bool QueuedCoreAdaptor::sendUserPermissionRemove(
+QueuedResult<bool> QueuedCoreAdaptor::sendUserPermissionRemove(
     const long long _id, const QueuedEnums::Permission _permission,
     const QString &_token)
 {
@@ -290,33 +278,30 @@ bool QueuedCoreAdaptor::sendUserPermissionRemove(
                       << "from" << _id;
 
     QVariantList args = {_id, static_cast<uint>(_permission), _token};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<bool>(
-                       QueuedConfig::DBUS_OBJECT_PATH,
+        QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_OBJECT_PATH,
-                       QueuedConfig::DBUS_SERVICE, "UserPermissionRemove", args)
+        QueuedConfig::DBUS_SERVICE, "UserPermissionRemove", args);
-        .first()
-        .toBool();
 }
 
 
 /**
  * @fn getOption
  */
-QVariant QueuedCoreAdaptor::getOption(const QString &_property)
+QueuedResult<QVariant> QueuedCoreAdaptor::getOption(const QString &_property)
 {
     qCDebug(LOG_DBUS) << "Get option" << _property;
 
     QVariantList args = {_property};
-    return toNativeType(sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<QVariant>(QueuedConfig::DBUS_SERVICE,
                                  QueuedConfig::DBUS_PROPERTY_PATH,
-                                    QueuedConfig::DBUS_SERVICE, "Option", args)
+                                 QueuedConfig::DBUS_SERVICE, "Option", args);
-                            .first());
 }
 
 
 /**
  * @fn getOption
  */
-QVariant
+QueuedResult<QVariant>
 QueuedCoreAdaptor::getOption(const QueuedConfig::QueuedSettings _property)
 {
     qCDebug(LOG_DBUS) << "Get option" << static_cast<int>(_property);
@@ -328,110 +313,122 @@ QueuedCoreAdaptor::getOption(const QueuedConfig::QueuedSettings _property)
 /**
  * @fn getPerformance
  */
-QList<QVariantHash> QueuedCoreAdaptor::getPerformance(const QDateTime &_from,
+QueuedResult<QList<QVariantHash>>
-                                                      const QDateTime &_to,
+QueuedCoreAdaptor::getPerformance(const QDateTime &_from, const QDateTime &_to,
                                   const QString &_token)
 {
     qCDebug(LOG_DBUS) << "Get performance report for" << _from << _to;
 
     QVariantList args = {_from.toString(Qt::ISODateWithMs),
                          _to.toString(Qt::ISODateWithMs), _token};
-    return qdbus_cast<QList<QVariantHash>>(toNativeType(
+    return sendRequest<QList<QVariantHash>>(
-        sendRequest(QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_REPORTS_PATH,
+        QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_REPORTS_PATH,
-                    QueuedConfig::DBUS_SERVICE, "Performance", args)
+        QueuedConfig::DBUS_SERVICE, "Performance", args);
-            .first()));
 }
 
 
 /**
  * @fn getStatus
  */
-QHash<QString, QHash<QString, QString>> QueuedCoreAdaptor::getStatus()
+QueuedResult<QueuedStatusMap> QueuedCoreAdaptor::getStatus()
 {
-    return qdbus_cast<QHash<QString, QHash<QString, QString>>>(toNativeType(
+    return sendRequest<QueuedStatusMap>(
-        sendRequest(QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_REPORTS_PATH,
+        QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_REPORTS_PATH,
-                    QueuedConfig::DBUS_SERVICE, "Status", {})
+        QueuedConfig::DBUS_SERVICE, "Status", {});
-            .first()));
 }
 
 
 /**
  * @fn getTask
  */
-QVariantHash QueuedCoreAdaptor::getTask(const long long _id)
+QueuedResult<QVariantHash> QueuedCoreAdaptor::getTask(const long long _id)
 {
     qCDebug(LOG_DBUS) << "Get task properties" << _id;
 
-    return qdbus_cast<QVariantHash>(getTask(_id, ""));
+    auto res = getTask(_id, "");
+
+    QueuedResult<QVariantHash> output;
+    Result::match(res,
+                  [&output](const QVariant &val) {
+                      output = toResult<QVariantHash>(val);
+                  },
+                  [&output](const QueuedError &err) { output = err; });
+
+    return output;
 }
 
 
 /**
  * @fn getTask
  */
-QVariant QueuedCoreAdaptor::getTask(const long long _id,
+QueuedResult<QVariant> QueuedCoreAdaptor::getTask(const long long _id,
                                                   const QString &_property)
 {
     qCDebug(LOG_DBUS) << "Get task property" << _id << _property;
 
     QVariantList args = {_id, _property};
-    return toNativeType(sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<QVariant>(QueuedConfig::DBUS_SERVICE,
                                  QueuedConfig::DBUS_PROPERTY_PATH,
-                                    QueuedConfig::DBUS_SERVICE, "Task", args)
+                                 QueuedConfig::DBUS_SERVICE, "Task", args);
-                            .first());
 }
 
 
 /**
  * @fn getTasks
  */
-QList<QVariantHash> QueuedCoreAdaptor::getTasks(const long long _user,
+QueuedResult<QList<QVariantHash>>
-                                                const QDateTime &_from,
+QueuedCoreAdaptor::getTasks(const long long _user, const QDateTime &_from,
-                                                const QDateTime &_to,
+                            const QDateTime &_to, const QString &_token)
-                                                const QString &_token)
 {
     qCDebug(LOG_DBUS) << "Get tasks list for" << _user << _from << _to;
 
     QVariantList args = {_user, _from.toString(Qt::ISODateWithMs),
                          _to.toString(Qt::ISODateWithMs), _token};
-    return qdbus_cast<QList<QVariantHash>>(toNativeType(
+    return sendRequest<QList<QVariantHash>>(
-        sendRequest(QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_REPORTS_PATH,
+        QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_REPORTS_PATH,
-                    QueuedConfig::DBUS_SERVICE, "Tasks", args)
+        QueuedConfig::DBUS_SERVICE, "Tasks", args);
-            .first()));
 }
 
 
 /**
  * @fn getUser
  */
-QVariantHash QueuedCoreAdaptor::getUser(const long long _id)
+QueuedResult<QVariantHash> QueuedCoreAdaptor::getUser(const long long _id)
 {
     qCDebug(LOG_DBUS) << "Get user property" << _id;
 
-    return qdbus_cast<QVariantHash>(getUser(_id, ""));
+    auto res = getUser(_id, "");
+
+    QueuedResult<QVariantHash> output;
+    Result::match(res,
+                  [&output](const QVariant &val) {
+                      output = toResult<QVariantHash>(val);
+                  },
+                  [&output](const QueuedError &err) { output = err; });
+
+    return output;
 }
 
 
 /**
  * @fn getUser
  */
-QVariant QueuedCoreAdaptor::getUser(const long long _id,
+QueuedResult<QVariant> QueuedCoreAdaptor::getUser(const long long _id,
                                                   const QString &_property)
 {
     qCDebug(LOG_DBUS) << "Get user property" << _id << _property;
 
     QVariantList args = {_id, _property};
-    return toNativeType(sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<QVariant>(QueuedConfig::DBUS_SERVICE,
                                  QueuedConfig::DBUS_PROPERTY_PATH,
-                                    QueuedConfig::DBUS_SERVICE, "User", args)
+                                 QueuedConfig::DBUS_SERVICE, "User", args);
-                            .first());
 }
 
 
 /**
  * @fn getUserId
  */
-long long QueuedCoreAdaptor::getUserId(const QString &_name)
+QueuedResult<long long> QueuedCoreAdaptor::getUserId(const QString &_name)
 {
     qCDebug(LOG_DBUS) << "Get user ID for" << _name;
 
@@ -441,18 +438,16 @@ long long QueuedCoreAdaptor::getUserId(const QString &_name)
         return stringToLong;
 
     QVariantList args = {_name};
-    return sendRequest(QueuedConfig::DBUS_SERVICE,
+    return sendRequest<long long>(
-                       QueuedConfig::DBUS_PROPERTY_PATH,
+        QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_PROPERTY_PATH,
-                       QueuedConfig::DBUS_SERVICE, "UserIdByName", args)
+        QueuedConfig::DBUS_SERVICE, "UserIdByName", args);
-        .first()
-        .toLongLong();
 }
 
 
 /**
  * @fn getUsers
  */
-QList<QVariantHash>
+QueuedResult<QList<QVariantHash>>
 QueuedCoreAdaptor::getUsers(const QDateTime &_lastLogged,
                             const QueuedEnums::Permission _permission,
                             const QString &_token)
@@ -462,47 +457,7 @@ QueuedCoreAdaptor::getUsers(const QDateTime &_lastLogged,
 
     QVariantList args = {_lastLogged.toString(Qt::ISODateWithMs),
                          static_cast<uint>(_permission), _token};
-    return qdbus_cast<QList<QVariantHash>>(toNativeType(
+    return sendRequest<QList<QVariantHash>>(
-        sendRequest(QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_REPORTS_PATH,
+        QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_REPORTS_PATH,
-                    QueuedConfig::DBUS_SERVICE, "Users", args)
+        QueuedConfig::DBUS_SERVICE, "Users", args);
-            .first()));
-}
-
-
-/**
- * @fn sendRequest
- */
-QVariantList QueuedCoreAdaptor::sendRequest(const QString &_service,
-                                            const QString &_path,
-                                            const QString &_interface,
-                                            const QString &_cmd,
-                                            const QVariantList &_args)
-{
-    qCDebug(LOG_DBUS) << "Send request to service" << _service << "by interface"
-                      << _interface << "to" << _path << "command" << _cmd
-                      << "with args" << _args;
-
-    QDBusConnection bus = QDBusConnection::systemBus();
-    QDBusMessage request
-        = QDBusMessage::createMethodCall(_service, _path, _interface, _cmd);
-    if (!_args.isEmpty())
-        request.setArguments(_args);
-
-    QDBusMessage response = bus.call(request, QDBus::BlockWithGui);
-    QVariantList arguments = response.arguments();
-
-    QString error = response.errorMessage();
-    if (!error.isEmpty())
-        qCWarning(LOG_DBUS) << "Error message" << error;
-
-    return arguments;
-}
-
-
-/**
- * @fn toNativeType
- */
-QVariant QueuedCoreAdaptor::toNativeType(const QVariant &_data)
-{
-    return _data.value<QDBusVariant>().variant();
 }

sources/queued/src/QueuedCoreInterface.cpp

@@ -16,13 +16,15 @@
  * @file QueuedCoreInterface.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 
 
 #include <queued/Queued.h>
 
+#include <QDBusMetaType>
+
 
 /**
  * @class QueuedCoreInterface
@@ -35,6 +37,15 @@ QueuedCoreInterface::QueuedCoreInterface(QueuedCore *parent)
     , m_core(parent)
 {
     qCDebug(LOG_DBUS) << __PRETTY_FUNCTION__;
+
+    qRegisterMetaType<QueuedResult<bool>>("QueuedResult<bool>");
+    qDBusRegisterMetaType<QueuedResult<bool>>();
+
+    qRegisterMetaType<QueuedResult<long long>>("QueuedResult<long long>");
+    qDBusRegisterMetaType<QueuedResult<long long>>();
+
+    qRegisterMetaType<QueuedResult<QString>>("QueuedResult<QString>");
+    qDBusRegisterMetaType<QueuedResult<QString>>();
 }
 
 
@@ -50,54 +61,68 @@ QueuedCoreInterface::~QueuedCoreInterface()
 /**
  * @fn Auth
  */
-QString QueuedCoreInterface::Auth(const QString &name, const QString &password)
+QDBusVariant QueuedCoreInterface::Auth(const QString &name,
+                                       const QString &password)
 {
     qCDebug(LOG_DBUS) << "Authorize user" << name;
 
-    return m_core->authorization(name, password);
+    return QueuedCoreAdaptor::toDBusVariant(
+        m_core->authorization(name, password));
 }
 
 
 /**
  * @fn OptionEdit
  */
-bool QueuedCoreInterface::OptionEdit(const QString &key,
+QDBusVariant QueuedCoreInterface::OptionEdit(const QString &key,
                                              const QDBusVariant &value,
                                              const QString &token)
 {
     qCDebug(LOG_DBUS) << "Edit option" << key << value.variant();
 
-    return m_core->editOption(key, value.variant(), token);
+    return QueuedCoreAdaptor::toDBusVariant(
+        m_core->editOption(key, value.variant(), token));
+}
+
+
+/**
+ * @fn PasswordHash
+ */
+QDBusVariant QueuedCoreInterface::PasswordHash(const QString &password)
+{
+    return QueuedCoreAdaptor::toDBusVariant(m_core->hashFromPassword(password));
 }
 
 
 /**
  * @fn PluginAdd
  */
-bool QueuedCoreInterface::PluginAdd(const QString &plugin, const QString &token)
+QDBusVariant QueuedCoreInterface::PluginAdd(const QString &plugin,
+                                            const QString &token)
 {
     qCDebug(LOG_DBUS) << "Add plugin" << plugin;
 
-    return m_core->addPlugin(plugin, token);
+    return QueuedCoreAdaptor::toDBusVariant(m_core->addPlugin(plugin, token));
 }
 
 
 /**
  * @fn PluginRemove
  */
-bool QueuedCoreInterface::PluginRemove(const QString &plugin,
+QDBusVariant QueuedCoreInterface::PluginRemove(const QString &plugin,
                                                const QString &token)
 {
     qCDebug(LOG_DBUS) << "Remove plugin" << plugin;
 
-    return m_core->removePlugin(plugin, token);
+    return QueuedCoreAdaptor::toDBusVariant(
+        m_core->removePlugin(plugin, token));
 }
 
 
 /**
  * @fn TaskAdd
  */
-qlonglong QueuedCoreInterface::TaskAdd(
+QDBusVariant QueuedCoreInterface::TaskAdd(
     const QString &command, const QStringList &arguments,
     const QString &workingDirectory, const qlonglong user, const qlonglong cpu,
     const qlonglong gpu, const qlonglong memory, const qlonglong gpumemory,
@@ -106,16 +131,16 @@ qlonglong QueuedCoreInterface::TaskAdd(
     qCDebug(LOG_DBUS) << "Add new task with parameters" << command << arguments
                       << workingDirectory << "from user" << user;
 
-    return m_core->addTask(
+    return QueuedCoreAdaptor::toDBusVariant(m_core->addTask(
         command, arguments, workingDirectory, user,
-        QueuedLimits::Limits(cpu, gpu, memory, gpumemory, storage), token);
+        QueuedLimits::Limits(cpu, gpu, memory, gpumemory, storage), token));
 }
 
 
 /**
  * @fn TaskEdit
  */
-bool QueuedCoreInterface::TaskEdit(
+QDBusVariant QueuedCoreInterface::TaskEdit(
     const qlonglong id, const QString &command, const QStringList &arguments,
     const QString &directory, const uint nice, const uint uid, const uint gid,
     const qlonglong user, const qlonglong cpu, const qlonglong gpu,
@@ -129,7 +154,9 @@ bool QueuedCoreInterface::TaskEdit(
     auto task = m_core->task(id);
     if (!task) {
         qCWarning(LOG_DBUS) << "Could not find task" << id;
-        return false;
+        return QueuedCoreAdaptor::toDBusVariant(QueuedResult<bool>(
+            QueuedError("Task does not exist",
+                        QueuedEnums::ReturnStatus::InvalidArgument)));
     }
 
     // build payload
@@ -162,45 +189,47 @@ bool QueuedCoreInterface::TaskEdit(
         limits.storage = storage;
     data["limits"] = limits.toString();
 
-    return m_core->editTask(id, data, token);
+    return QueuedCoreAdaptor::toDBusVariant(m_core->editTask(id, data, token));
 }
 
 
 /**
  * @fn TaskStart
  */
-bool QueuedCoreInterface::TaskStart(const qlonglong id, const QString &token)
+QDBusVariant QueuedCoreInterface::TaskStart(const qlonglong id,
+                                            const QString &token)
 {
     qCDebug(LOG_DBUS) << "Force start task" << id;
 
-    return m_core->startTask(id, token);
+    return QueuedCoreAdaptor::toDBusVariant(m_core->startTask(id, token));
 }
 
 
 /**
  * @fn TaskStop
  */
-bool QueuedCoreInterface::TaskStop(const qlonglong id, const QString &token)
+QDBusVariant QueuedCoreInterface::TaskStop(const qlonglong id,
+                                           const QString &token)
 {
     qCDebug(LOG_DBUS) << "Force stop task" << id;
 
-    return m_core->stopTask(id, token);
+    return QueuedCoreAdaptor::toDBusVariant(m_core->stopTask(id, token));
 }
 
 
 /**
  * @fn TryAuth
  */
-bool QueuedCoreInterface::TryAuth(const QString &token)
+QDBusVariant QueuedCoreInterface::TryAuth(const QString &token)
 {
-    return m_core->authorization(token);
+    return QueuedCoreAdaptor::toDBusVariant(m_core->authorization(token));
 }
 
 
 /**
  * @fn UserAdd
  */
-qlonglong
+QDBusVariant
 QueuedCoreInterface::UserAdd(const QString &name, const QString &email,
                              const QString &password, const uint permissions,
                              const qlonglong cpu, const qlonglong gpu,
@@ -210,22 +239,21 @@ QueuedCoreInterface::UserAdd(const QString &name, const QString &email,
     qCDebug(LOG_DBUS) << "Add new user with paramaters" << name << email
                       << permissions;
 
-    return m_core->addUser(
+    return QueuedCoreAdaptor::toDBusVariant(m_core->addUser(
         name, email, password, permissions,
-        QueuedLimits::Limits(cpu, gpu, memory, gpumemory, storage), token);
+        QueuedLimits::Limits(cpu, gpu, memory, gpumemory, storage), token));
 }
 
 
 /**
  * @fn UserEdit
  */
-bool QueuedCoreInterface::UserEdit(const qlonglong id, const QString &name,
+QDBusVariant
-                                   const QString &password,
+QueuedCoreInterface::UserEdit(const qlonglong id, const QString &name,
-                                   const QString &email, const qlonglong cpu,
+                              const QString &password, const QString &email,
-                                   const qlonglong gpu, const qlonglong memory,
+                              const qlonglong cpu, const qlonglong gpu,
-                                   const qlonglong gpumemory,
+                              const qlonglong memory, const qlonglong gpumemory,
-                                   const qlonglong storage,
+                              const qlonglong storage, const QString &token)
-                                   const QString &token)
 {
     qCDebug(LOG_DBUS) << "Edit user" << id << name << email << cpu << gpu
                       << memory << gpumemory << storage;
@@ -234,7 +262,9 @@ bool QueuedCoreInterface::UserEdit(const qlonglong id, const QString &name,
     auto user = m_core->user(id);
     if (!user) {
         qCWarning(LOG_DBUS) << "Could not find user" << id;
-        return false;
+        return QueuedCoreAdaptor::toDBusVariant(QueuedResult<bool>(
+            QueuedError("User does not exist",
+                        QueuedEnums::ReturnStatus::InvalidArgument)));
     }
 
     // build payload
@@ -259,33 +289,33 @@ bool QueuedCoreInterface::UserEdit(const qlonglong id, const QString &name,
         limits.storage = storage;
     data["limits"] = limits.toString();
 
-    return m_core->editUser(id, data, token);
+    return QueuedCoreAdaptor::toDBusVariant(m_core->editUser(id, data, token));
 }
 
 
 /**
  * @fn UserPermissionAdd
  */
-bool QueuedCoreInterface::UserPermissionAdd(const qlonglong id,
+QDBusVariant QueuedCoreInterface::UserPermissionAdd(const qlonglong id,
                                                     const uint permission,
                                                     const QString &token)
 {
     qCDebug(LOG_DBUS) << "Add permission" << permission << "to user" << id;
 
-    return m_core->editUserPermission(
+    return QueuedCoreAdaptor::toDBusVariant(m_core->editUserPermission(
-        id, static_cast<QueuedEnums::Permission>(permission), true, token);
+        id, static_cast<QueuedEnums::Permission>(permission), true, token));
 }
 
 
 /**
  * @fn UserPermissionRemove
  */
-bool QueuedCoreInterface::UserPermissionRemove(const qlonglong id,
+QDBusVariant QueuedCoreInterface::UserPermissionRemove(const qlonglong id,
                                                        const uint permission,
                                                        const QString &token)
 {
     qCDebug(LOG_DBUS) << "Remove permission" << permission << "from user" << id;
 
-    return m_core->editUserPermission(
+    return QueuedCoreAdaptor::toDBusVariant(m_core->editUserPermission(
-        id, static_cast<QueuedEnums::Permission>(permission), false, token);
+        id, static_cast<QueuedEnums::Permission>(permission), false, token));
 }

sources/queued/src/QueuedDatabase.cpp

@@ -16,7 +16,7 @@
  * @file QueuedDatabase.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedDatabaseManager.cpp

@@ -16,7 +16,7 @@
  * @file QueuedDatabaseManager.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedDebug.cpp

@@ -16,7 +16,7 @@
  * @file QueuedDebug.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedLimits.cpp

@@ -16,7 +16,7 @@
  * @file QueuedLimits.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedPluginManager.cpp

@@ -16,7 +16,7 @@
  * @file QueuedPluginManager.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedProcess.cpp

@@ -16,7 +16,7 @@
  * @file QueuedProcess.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedProcessManager.cpp

@@ -16,7 +16,7 @@
  * @file QueuedProcessManager.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedPropertyInterface.cpp

@@ -16,13 +16,14 @@
  * @file QueuedPropertyInterface.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 
 
 #include <queued/Queued.h>
 
+#include <QDBusMetaType>
 #include <QMetaProperty>
 
 
@@ -37,6 +38,9 @@ QueuedPropertyInterface::QueuedPropertyInterface(QueuedCore *parent)
     , m_core(parent)
 {
     qCDebug(LOG_DBUS) << __PRETTY_FUNCTION__;
+
+    qRegisterMetaType<QueuedResult<QVariant>>("QueuedResult<QVariant>");
+    qDBusRegisterMetaType<QueuedResult<QVariant>>();
 }
 
 
@@ -56,8 +60,7 @@ QDBusVariant QueuedPropertyInterface::Option(const QString &property)
 {
     qCDebug(LOG_DBUS) << "Get property" << property;
 
-    auto response = m_core->option(property);
+    return QueuedCoreAdaptor::toDBusVariant(m_core->option(property));
-    return QDBusVariant(response.isValid() ? response : "");
 }
 
 
@@ -72,17 +75,21 @@ QDBusVariant QueuedPropertyInterface::Task(const long long id,
     auto task = m_core->task(id);
     if (!task) {
         qCWarning(LOG_DBUS) << "Could not find task" << id;
-        return QDBusVariant("");
+        return QueuedCoreAdaptor::toDBusVariant(QueuedResult<QVariant>(
+            QueuedError("Task does not exist",
+                        QueuedEnums::ReturnStatus::InvalidArgument)));
     }
 
     if (property.isEmpty()) {
         auto response = QVariant::fromValue<QVariantHash>(getProperties(task));
-        return QDBusVariant(response);
+        return QueuedCoreAdaptor::toDBusVariant(
+            QueuedResult<QVariant>(response));
     } else {
         auto response = task->property(qPrintable(property));
         if (response.type() == QVariant::DateTime)
             response = response.toDateTime().toString(Qt::ISODateWithMs);
-        return QDBusVariant(response.isValid() ? response : "");
+        return QueuedCoreAdaptor::toDBusVariant(
+            QueuedResult<QVariant>(response));
     }
 }
 
@@ -98,17 +105,21 @@ QDBusVariant QueuedPropertyInterface::User(const long long id,
     auto user = m_core->user(id);
     if (!user) {
         qCWarning(LOG_DBUS) << "Could not find user" << id;
-        return QDBusVariant("");
+        return QueuedCoreAdaptor::toDBusVariant(QueuedResult<QVariant>(
+            QueuedError("User does not exist",
+                        QueuedEnums::ReturnStatus::InvalidArgument)));
     }
 
     if (property.isEmpty()) {
         auto response = QVariant::fromValue<QVariantHash>(getProperties(user));
-        return QDBusVariant(response);
+        return QueuedCoreAdaptor::toDBusVariant(
+            QueuedResult<QVariant>(response));
     } else {
         auto response = user->property(qPrintable(property));
         if (response.type() == QVariant::DateTime)
             response = response.toDateTime().toString(Qt::ISODateWithMs);
-        return QDBusVariant(response.isValid() ? response : "");
+        return QueuedCoreAdaptor::toDBusVariant(
+            QueuedResult<QVariant>(response));
     }
 }
 
@@ -116,17 +127,20 @@ QDBusVariant QueuedPropertyInterface::User(const long long id,
 /**
  * @fn UserIdByName
  */
-qlonglong QueuedPropertyInterface::UserIdByName(const QString &name)
+QDBusVariant QueuedPropertyInterface::UserIdByName(const QString &name)
 {
     qCDebug(LOG_DBUS) << "Look for user ID" << name;
 
     auto user = m_core->user(name);
     if (!user) {
         qCWarning(LOG_DBUS) << "Could not find user" << name;
-        return -1;
+        return QueuedCoreAdaptor::toDBusVariant(QueuedResult<long long>(
+            QueuedError("User does not exist",
+                        QueuedEnums::ReturnStatus::InvalidArgument)));
     }
 
-    return user->index();
+    return QueuedCoreAdaptor::toDBusVariant(
+        QueuedResult<long long>(user->index()));
 }
 
 

sources/queued/src/QueuedReportInterface.cpp

@@ -16,7 +16,7 @@
  * @file QueuedReportInterface.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 
@@ -38,16 +38,16 @@ QueuedReportInterface::QueuedReportInterface(QueuedCore *parent)
 {
     qCDebug(LOG_DBUS) << __PRETTY_FUNCTION__;
 
-    // QList<QVariantHash>
-    qRegisterMetaType<QList<QVariantHash>>("QList<QVariantHash>");
-    qDBusRegisterMetaType<QList<QVariantHash>>();
-    // QHash<QString, QString>
     qRegisterMetaType<QHash<QString, QString>>("QHash<QString, QString>");
     qDBusRegisterMetaType<QHash<QString, QString>>();
-    // QHash<QString, QHash<QString, QString>>
+
-    qRegisterMetaType<QHash<QString, QHash<QString, QString>>>(
+    qRegisterMetaType<QueuedResult<QList<QVariantHash>>>(
-        "QHash<QString, QHash<QString, QString>>");
+        "QueuedResult<QList<QVariantHash>>");
-    qDBusRegisterMetaType<QHash<QString, QHash<QString, QString>>>();
+    qDBusRegisterMetaType<QueuedResult<QList<QVariantHash>>>();
+
+    qRegisterMetaType<QueuedResult<QueuedStatusMap>>(
+        "QueuedResult<QueuedStatusMap>");
+    qDBusRegisterMetaType<QueuedResult<QueuedStatusMap>>();
 }
 
 
@@ -69,10 +69,9 @@ QDBusVariant QueuedReportInterface::Performance(const QString &from,
 {
     qCDebug(LOG_DBUS) << "Performance report for" << from << to;
 
-    return QDBusVariant(
+    return QueuedCoreAdaptor::toDBusVariant(m_core->performanceReport(
-        QVariant::fromValue<QList<QVariantHash>>(m_core->performanceReport(
         QDateTime::fromString(from, Qt::ISODateWithMs),
-            QDateTime::fromString(to, Qt::ISODateWithMs), token)));
+        QDateTime::fromString(to, Qt::ISODateWithMs), token));
 }
 
 
@@ -81,11 +80,11 @@ QDBusVariant QueuedReportInterface::Performance(const QString &from,
  */
 QDBusVariant QueuedReportInterface::Status()
 {
-    auto metadata = QueuedDebug::getBuildMetaData();
+    QueuedResult<QueuedStatusMap> metadata = QueuedDebug::getBuildMetaData();
     // append metadata here
 
     return QDBusVariant(
-        QVariant::fromValue<QHash<QString, QHash<QString, QString>>>(metadata));
+        QVariant::fromValue<QueuedResult<QueuedStatusMap>>(metadata));
 }
 
 
@@ -99,10 +98,9 @@ QDBusVariant QueuedReportInterface::Tasks(const qlonglong user,
 {
     qCDebug(LOG_DBUS) << "Search for tasks" << user << from << to;
 
-    return QDBusVariant(QVariant::fromValue<QList<QVariantHash>>(
+    return QueuedCoreAdaptor::toDBusVariant(m_core->taskReport(
-        m_core->taskReport(user, QDateTime::fromString(from, Qt::ISODateWithMs),
+        user, QDateTime::fromString(from, Qt::ISODateWithMs),
-                           QDateTime::fromString(to, Qt::ISODateWithMs),
+        QDateTime::fromString(to, Qt::ISODateWithMs), token));
-                           token)));
 }
 
 
@@ -115,9 +113,9 @@ QDBusVariant QueuedReportInterface::Users(const QString &lastLogged,
 {
     qCDebug(LOG_DBUS) << "Search for users" << lastLogged << permission;
 
-    return QDBusVariant(QVariant::fromValue<QList<QVariantHash>>(
+    return QueuedCoreAdaptor::toDBusVariant(
         m_core->userReport(QDateTime::fromString(lastLogged, Qt::ISODateWithMs),
                            permission < 1 ? QueuedEnums::Permission::Invalid
                                           : QueuedEnums::Permission(permission),
-                           token)));
+                           token));
 }

sources/queued/src/QueuedReportManager.cpp

@@ -16,7 +16,7 @@
  * @file QueuedReportManager.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedSettings.cpp

@@ -16,7 +16,7 @@
  * @file QueuedSettings.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 
@@ -25,6 +25,7 @@
 
 #include <QSettings>
 #include <QStandardPaths>
+#include <queued/QueuedStaticConfig.h>
 
 
 /**
@@ -121,6 +122,7 @@ void QueuedSettings::readConfiguration()
     settings.beginGroup("Administrator");
     m_cfgAdmin.name = settings.value("Username", "root").toString();
     m_cfgAdmin.password = settings.value("Password").toString();
+    m_cfgAdmin.salt = settings.value("Salt").toString();
     settings.endGroup();
 
     // database related settings

sources/queued/src/QueuedSystemInfo.cpp

@@ -16,7 +16,7 @@
  * @file QueuedSystemInfo.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedTokenManager.cpp

@@ -16,7 +16,7 @@
  * @file QueuedTokenManager.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 

sources/queued/src/QueuedUser.cpp

@@ -16,7 +16,7 @@
  * @file QueuedUser.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 
@@ -77,9 +77,10 @@ QueuedUser::addPermission(const QueuedEnums::Permission _permission)
 /**
  * @fn hashFromPassword
  */
-QString QueuedUser::hashFromPassword(const QString &_password)
+QString QueuedUser::hashFromPassword(const QString &_password,
+                                     const QString &_salt)
 {
-    return QCryptographicHash::hash(_password.toUtf8(),
+    return QCryptographicHash::hash(_salt.toUtf8() + _password.toUtf8(),
                                     QCryptographicHash::Sha512)
         .toHex();
 }
@@ -120,9 +121,11 @@ QPair<uint, uint> QueuedUser::ids()
 /**
  * @fn isPasswordValid
  */
-bool QueuedUser::isPasswordValid(const QString &_password) const
+bool QueuedUser::isPasswordValid(const QString &_password,
+                                 const QString &_salt) const
 {
-    return (m_definitions.password.toUtf8() == hashFromPassword(_password));
+    return (m_definitions.password.toUtf8()
+            == hashFromPassword(_password, _salt));
 }
 
 

sources/queued/src/QueuedUserManager.cpp

@@ -16,7 +16,7 @@
  * @file QueuedUserManager.cpp
  * Source code of queued library
  * @author Queued team
- * @copyright GPLv3
+ * @copyright MIT
  * @bug https://github.com/arcan1s/queued/issues
  */
 
@@ -119,7 +119,7 @@ QString QueuedUserManager::authorize(const QString &_user,
         return "";
     }
 
-    bool status = userObj->isPasswordValid(_password);
+    bool status = userObj->isPasswordValid(_password, salt());
     if (!status) {
         qCInfo(LOG_LIB) << "User password invalid for" << _user;
         return "";
@@ -243,6 +243,15 @@ QueuedUser *QueuedUserManager::user(const QString &_name, const bool _isToken)
 }
 
 
+/**
+ * @salt
+ */
+QString QueuedUserManager::salt() const
+{
+    return m_salt;
+}
+
+
 /*
  * @fn tokenExpiration
  */
@@ -252,6 +261,15 @@ long long QueuedUserManager::tokenExpiration() const
 }
 
 
+/**
+ * @fn setSalt
+ */
+void QueuedUserManager::setSalt(const QString &_salt)
+{
+    m_salt = _salt;
+}
+
+
 /**
  * @fn setTokenExpiration
  */

sources/queuedctl/src/QueuedctlAuth.cpp

@@ -23,11 +23,25 @@
 #include "QueuedctlUser.h"
 
 
-QString QueuedctlAuth::auth(const QString &_user)
+QueuedctlCommon::QueuedctlResult QueuedctlAuth::auth(const QString &_user,
+                                                     const QString &_cache)
 {
     qCDebug(LOG_APP) << "Auth as user" << _user;
 
-    return QueuedCoreAdaptor::auth(_user, QueuedctlUser::getPassword());
+    QueuedctlCommon::QueuedctlResult output;
+
+    auto res = QueuedCoreAdaptor::auth(_user, QueuedctlUser::getPassword());
+    Result::match(res,
+                  [&output, &_user, &_cache](const QString &val) {
+                      setToken(val, _user, _cache);
+                      output.status = true;
+                  },
+                  [&output](const QueuedError &err) {
+                      output.status = false;
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
@@ -40,8 +54,7 @@ QString QueuedctlAuth::getToken(const QString &_cache, const QString &_user)
     if (tryAuth(tokenId)) {
         return tokenId;
     } else {
-        tokenId = auth(_user);
+        auth(_user, _cache);
-        setToken(tokenId, _user, _cache);
         return getToken(_cache, _user);
     }
 }
@@ -83,5 +96,7 @@ bool QueuedctlAuth::tryAuth(const QString &_token)
 {
     qCDebug(LOG_APP) << "Try auth with" << _token;
 
-    return QueuedCoreAdaptor::auth(_token);
+    auto res = QueuedCoreAdaptor::auth(_token);
+
+    return ((res.type() == Result::Content::Value) && res.get());
 }

sources/queuedctl/src/QueuedctlAuth.h

@@ -19,10 +19,13 @@
 
 #include <QCommandLineParser>
 
+#include "QueuedctlCommon.h"
+
 
 namespace QueuedctlAuth
 {
-QString auth(const QString &_user);
+QueuedctlCommon::QueuedctlResult auth(const QString &_user,
+                                      const QString &_cache);
 QString getToken(const QString &_cache, const QString &_user);
 void parser(QCommandLineParser &_parser);
 void setToken(const QString &_token, const QString &_user,

sources/queuedctl/src/QueuedctlCommon.cpp

@@ -221,173 +221,147 @@ QueuedctlCommon::process(QCommandLineParser &_parser, const QString &_cache,
 
     switch (id) {
     case QueuedctlArgument::Auth: {
-        QString token = QueuedctlAuth::auth(_user);
+        result = QueuedctlAuth::auth(_user, _cache);
-        result.status = !token.isEmpty();
-        if (result.status)
-            QueuedctlAuth::setToken(token, _user, _cache);
         break;
     }
     case QueuedctlArgument::OptionGet: {
-        QVariant value = QueuedctlOption::getOption(args.at(1));
+        result = QueuedctlOption::getOption(args.at(1));
-        result.status = value.isValid();
-        result.output = value.toString();
         break;
     }
     case QueuedctlArgument::OptionSet: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
-        result.status
+        result = QueuedctlOption::editOption(args.at(1), args.at(2), token);
-            = QueuedctlOption::editOption(args.at(1), args.at(2), token);
-        if (result.status)
-            result.output
-                = QString("Option %1 set to %2").arg(args.at(1), args.at(2));
-        else
-            result.output = QString("Could not set option %1 to %2")
-                                .arg(args.at(1), args.at(2));
         break;
     }
     case QueuedctlArgument::PermissionAdd: {
-        auto userId = QueuedCoreAdaptor::getUserId(args.at(1));
+        auto userIdRes = QueuedCoreAdaptor::getUserId(args.at(1));
+        long long userId = -1;
+        Result::match(userIdRes,
+                      [&userId](const long long val) { userId = val; },
+                      [&result](const QueuedError &err) {
+                          result.output = err.message().c_str();
+                      });
+        if (userId == -1)
+            break;
         QString token = QueuedctlAuth::getToken(_cache, _user);
-        result.status
+        result = QueuedctlPermissions::addPermission(userId, args.at(2), token);
-            = QueuedctlPermissions::addPermission(userId, args.at(2), token);
-        if (result.status)
-            result.output = QString("Add permission %2 to user %1")
-                                .arg(args.at(1))
-                                .arg(args.at(2));
-        else
-            result.output = QString("Could not add permission %2 to user %1")
-                                .arg(args.at(1))
-                                .arg(args.at(2));
         break;
     }
     case QueuedctlArgument::PermissionRemove: {
-        auto userId = QueuedCoreAdaptor::getUserId(args.at(1));
+        auto userIdRes = QueuedCoreAdaptor::getUserId(args.at(1));
+        long long userId = -1;
+        Result::match(userIdRes,
+                      [&userId](const long long val) { userId = val; },
+                      [&result](const QueuedError &err) {
+                          result.output = err.message().c_str();
+                      });
+        if (userId == -1)
+            break;
         QString token = QueuedctlAuth::getToken(_cache, _user);
-        result.status
+        result
             = QueuedctlPermissions::removePermission(userId, args.at(2), token);
-        if (result.status)
-            result.output = QString("Remove permission %2 from user %1")
-                                .arg(args.at(1))
-                                .arg(args.at(2));
-        else
-            result.output
-                = QString("Could not remove permission %2 from user %1")
-                      .arg(args.at(1))
-                      .arg(args.at(2));
         break;
     }
     case QueuedctlArgument::PluginAdd: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
-        result.status = QueuedctlPlugins::addPlugin(args.at(1), token);
+        result = QueuedctlPlugins::addPlugin(args.at(1), token);
-        if (result.status)
-            result.output = QString("Add plugin %1").arg(args.at(1));
-        else
-            result.output = QString("Could not add plugin %1").arg(args.at(1));
         break;
     }
     case QueuedctlArgument::PluginList: {
-        result.status = true;
+        result = QueuedctlPlugins::listPlugins();
-        result.output = QueuedctlPlugins::listPlugins().join('\n');
         break;
     }
     case QueuedctlArgument::PluginRemove: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
-        result.status = QueuedctlPlugins::removePlugin(args.at(1), token);
+        result = QueuedctlPlugins::removePlugin(args.at(1), token);
-        if (result.status)
-            result.output = QString("Remove plugin %1").arg(args.at(1));
-        else
-            result.output
-                = QString("Could not remove plugin %1").arg(args.at(1));
         break;
     }
     case QueuedctlArgument::Report: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
-        result.status = true;
+        result = QueuedctlUser::getReport(_parser, token);
-        result.output
-            = hashListToString(QueuedctlUser::getReport(_parser, token));
         break;
     }
     case QueuedctlArgument::Status: {
-        auto status = QueuedCoreAdaptor::getStatus();
+        auto res = QueuedCoreAdaptor::getStatus();
-        result.status = !status.isEmpty();
+        Result::match(res,
-        result.output = hashHashToString(status);
+                      [&result](const QueuedStatusMap &val) {
+                          result.status = true;
+                          result.output = hashHashToString(val);
+                      },
+                      [&result](const QueuedError &err) {
+                          result.output = err.message().c_str();
+                      });
         break;
     }
     case QueuedctlArgument::TaskAdd: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
         auto definitions = QueuedctlTask::getDefinitions(_parser, false);
-        long long taskId = QueuedctlTask::addTask(definitions, token);
+        result = QueuedctlTask::addTask(definitions, token);
-        result.status = (taskId > 0);
-        if (result.status)
-            result.output = QString("Task %1 added").arg(taskId);
-        else
-            result.output = "Could not add task";
         break;
     }
     case QueuedctlArgument::TaskGet: {
-        QVariant value
+        result = QueuedctlTask::getTask(args.at(1).toLongLong(), args.at(2));
-            = QueuedctlTask::getTask(args.at(1).toLongLong(), args.at(2));
-        result.status = value.isValid();
-        result.output = args.at(2).isEmpty() ? hashToString(value.toHash())
-                                             : value.toString();
         break;
     }
     case QueuedctlArgument::TaskList: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
-        result.status = true;
+        result = QueuedctlTask::getTasks(_parser, token);
-        result.output
-            = hashListToString(QueuedctlTask::getTasks(_parser, token));
         break;
     }
     case QueuedctlArgument::TaskSet: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
         auto definitions = QueuedctlTask::getDefinitions(_parser, true);
-        result.status = QueuedctlTask::setTask(args.at(1).toLongLong(),
+        result = QueuedctlTask::setTask(args.at(1).toLongLong(), definitions,
-                                               definitions, token);
+                                        token);
         break;
     }
     case QueuedctlArgument::TaskStart: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
-        result.status
+        result = QueuedctlTask::startTask(args.at(1).toLongLong(), token);
-            = QueuedctlTask::startTask(args.at(1).toLongLong(), token);
         break;
     }
     case QueuedctlArgument::TaskStop: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
-        result.status = QueuedctlTask::stopTask(args.at(1).toLongLong(), token);
+        result = QueuedctlTask::stopTask(args.at(1).toLongLong(), token);
         break;
     }
     case QueuedctlArgument::UserAdd: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
         auto definitions = QueuedctlUser::getDefinitions(_parser, false);
-        long long userId = QueuedctlUser::addUser(definitions, token);
+        result = QueuedctlUser::addUser(definitions, token);
-        result.status = (userId > 0);
-        if (result.status)
-            result.output = QString("User %1 added").arg(userId);
-        else
-            result.output = "Could not add user";
         break;
     }
     case QueuedctlArgument::UserGet: {
-        auto userId = QueuedCoreAdaptor::getUserId(args.at(1));
+        auto userIdRes = QueuedCoreAdaptor::getUserId(args.at(1));
-        QVariant value = QueuedctlUser::getUser(userId, args.at(2));
+        long long userId = -1;
-        result.status = value.isValid();
+        Result::match(userIdRes,
-        result.output = args.at(2).isEmpty() ? hashToString(value.toHash())
+                      [&userId](const long long val) { userId = val; },
-                                             : value.toString();
+                      [&result](const QueuedError &err) {
+                          result.output = err.message().c_str();
+                      });
+        if (userId == -1)
+            break;
+        result = QueuedctlUser::getUser(userId, args.at(2));
         break;
     }
     case QueuedctlArgument::UserList: {
         QString token = QueuedctlAuth::getToken(_cache, _user);
-        result.status = true;
+        result = QueuedctlUser::getUsers(_parser, token);
-        result.output
-            = hashListToString(QueuedctlUser::getUsers(_parser, token));
         break;
     }
     case QueuedctlArgument::UserSet: {
-        auto userId = QueuedCoreAdaptor::getUserId(args.at(1));
+        auto userIdRes = QueuedCoreAdaptor::getUserId(args.at(1));
+        long long userId = -1;
+        Result::match(userIdRes,
+                      [&userId](const long long val) { userId = val; },
+                      [&result](const QueuedError &err) {
+                          result.output = err.message().c_str();
+                      });
+        if (userId == -1)
+            break;
         QString token = QueuedctlAuth::getToken(_cache, _user);
         auto definitions = QueuedctlUser::getDefinitions(_parser, true);
-        result.status = QueuedctlUser::setUser(userId, definitions, token);
+        result = QueuedctlUser::setUser(userId, definitions, token);
         break;
     }
     case QueuedctlArgument::Invalid: {

sources/queuedctl/src/QueuedctlOption.cpp

@@ -15,24 +15,45 @@
 
 
 #include "QueuedctlOption.h"
+#include "QueuedctlCommon.h"
 
 #include <queued/Queued.h>
 
 
-bool QueuedctlOption::editOption(const QString &_option, const QVariant &_value,
+QueuedctlCommon::QueuedctlResult
+QueuedctlOption::editOption(const QString &_option, const QVariant &_value,
                             const QString &_token)
 {
     qCDebug(LOG_APP) << "Edit option" << _option << "to" << _value;
 
-    return QueuedCoreAdaptor::sendOptionEdit(_option, _value, _token);
+    QueuedctlCommon::QueuedctlResult output;
+    auto res = QueuedCoreAdaptor::sendOptionEdit(_option, _value, _token);
+    Result::match(res, [&output](const bool val) { output.status = val; },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
-QVariant QueuedctlOption::getOption(const QString &_option)
+QueuedctlCommon::QueuedctlResult
+QueuedctlOption::getOption(const QString &_option)
 {
     qCDebug(LOG_APP) << "Get option" << _option;
 
-    return QueuedCoreAdaptor::getOption(_option);
+    QueuedctlCommon::QueuedctlResult output;
+    auto res = QueuedCoreAdaptor::getOption(_option);
+    Result::match(res,
+                  [&output](const QVariant &val) {
+                      output.status = val.isValid();
+                      output.output = val.toString();
+                  },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 

sources/queuedctl/src/QueuedctlOption.h

@@ -19,12 +19,15 @@
 
 #include <QCommandLineParser>
 
+#include "QueuedctlCommon.h"
+
 
 namespace QueuedctlOption
 {
-bool editOption(const QString &_option, const QVariant &_value,
+QueuedctlCommon::QueuedctlResult editOption(const QString &_option,
+                                            const QVariant &_value,
                                             const QString &_token);
-QVariant getOption(const QString &_option);
+QueuedctlCommon::QueuedctlResult getOption(const QString &_option);
 void parserGet(QCommandLineParser &_parser);
 void parserSet(QCommandLineParser &_parser);
 };

sources/queuedctl/src/QueuedctlPermissions.cpp

@@ -15,34 +15,54 @@
 
 
 #include "QueuedctlPermissions.h"
+#include "QueuedctlCommon.h"
 
 #include <queued/Queued.h>
 
 
-bool QueuedctlPermissions::addPermission(const long long _id,
+QueuedctlCommon::QueuedctlResult QueuedctlPermissions::addPermission(
-                                         const QString &_permission,
+    const long long _id, const QString &_permission, const QString &_token)
-                                         const QString &_token)
 {
     qCDebug(LOG_APP) << "Add permission" << _permission << "to" << _id;
 
     auto permission = QueuedEnums::stringToPermission(_permission);
+    QueuedctlCommon::QueuedctlResult output;
 
-    return (permission != QueuedEnums::Permission::Invalid)
+    if (permission == QueuedEnums::Permission::Invalid) {
-           && QueuedCoreAdaptor::sendUserPermissionAdd(_id, permission, _token);
+        output.output = "Invalid permission";
+    } else {
+        auto res
+            = QueuedCoreAdaptor::sendUserPermissionAdd(_id, permission, _token);
+        Result::match(res, [&output](const bool val) { output.status = val; },
+                      [&output](const QueuedError &err) {
+                          output.output = err.message().c_str();
+                      });
+    }
+
+    return output;
 }
 
 
-bool QueuedctlPermissions::removePermission(const long long _id,
+QueuedctlCommon::QueuedctlResult QueuedctlPermissions::removePermission(
-                                            const QString &_permission,
+    const long long _id, const QString &_permission, const QString &_token)
-                                            const QString &_token)
 {
     qCDebug(LOG_APP) << "Remove permission" << _permission << "to" << _id;
 
     auto permission = QueuedEnums::stringToPermission(_permission);
+    QueuedctlCommon::QueuedctlResult output;
 
-    return (permission != QueuedEnums::Permission::Invalid)
+    if (permission == QueuedEnums::Permission::Invalid) {
-           && QueuedCoreAdaptor::sendUserPermissionRemove(_id, permission,
+        output.output = "Invalid permission";
+    } else {
+        auto res = QueuedCoreAdaptor::sendUserPermissionRemove(_id, permission,
                                                                _token);
+        Result::match(res, [&output](const bool val) { output.status = val; },
+                      [&output](const QueuedError &err) {
+                          output.output = err.message().c_str();
+                      });
+    }
+
+    return output;
 }
 
 

sources/queuedctl/src/QueuedctlPermissions.h

@@ -19,12 +19,16 @@
 
 #include <QCommandLineParser>
 
+#include "QueuedctlCommon.h"
+
 
 namespace QueuedctlPermissions
 {
-bool addPermission(const long long _id, const QString &_permission,
+QueuedctlCommon::QueuedctlResult addPermission(const long long _id,
+                                               const QString &_permission,
                                                const QString &_token);
-bool removePermission(const long long _id, const QString &_permission,
+QueuedctlCommon::QueuedctlResult removePermission(const long long _id,
+                                                  const QString &_permission,
                                                   const QString &_token);
 void parser(QCommandLineParser &_parser);
 };

sources/queuedctl/src/QueuedctlPlugins.cpp

@@ -15,32 +15,61 @@
 
 
 #include "QueuedctlPlugins.h"
+#include "QueuedctlCommon.h"
 
 #include <queued/Queued.h>
 
 
-bool QueuedctlPlugins::addPlugin(const QString &_plugin, const QString &_token)
+QueuedctlCommon::QueuedctlResult
+QueuedctlPlugins::addPlugin(const QString &_plugin, const QString &_token)
 {
     qCDebug(LOG_APP) << "Add plugin" << _plugin;
 
-    return QueuedCoreAdaptor::sendPluginAdd(_plugin, _token);
+    auto res = QueuedCoreAdaptor::sendPluginAdd(_plugin, _token);
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res, [&output](const bool val) { output.status = val; },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
-QStringList QueuedctlPlugins::listPlugins()
+QueuedctlCommon::QueuedctlResult QueuedctlPlugins::listPlugins()
 {
-    return QueuedCoreAdaptor::getOption(QueuedConfig::QueuedSettings::Plugins)
+    auto res
-        .toString()
+        = QueuedCoreAdaptor::getOption(QueuedConfig::QueuedSettings::Plugins);
-        .split('\n');
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res,
+                  [&output](const QVariant &val) {
+                      output.status = val.isValid();
+                      output.output = val.toString();
+                  },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
-bool QueuedctlPlugins::removePlugin(const QString &_plugin,
+QueuedctlCommon::QueuedctlResult
-                                    const QString &_token)
+QueuedctlPlugins::removePlugin(const QString &_plugin, const QString &_token)
 {
     qCDebug(LOG_APP) << "Remove plugin" << _plugin;
 
-    return QueuedCoreAdaptor::sendPluginRemove(_plugin, _token);
+    auto res = QueuedCoreAdaptor::sendPluginRemove(_plugin, _token);
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res, [&output](const bool val) { output.status = val; },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 

sources/queuedctl/src/QueuedctlPlugins.h

@@ -19,12 +19,16 @@
 
 #include <QCommandLineParser>
 
+#include "QueuedctlCommon.h"
+
 
 namespace QueuedctlPlugins
 {
-bool addPlugin(const QString &_plugin, const QString &_token);
+QueuedctlCommon::QueuedctlResult addPlugin(const QString &_plugin,
-QStringList listPlugins();
+                                           const QString &_token);
-bool removePlugin(const QString &_plugin, const QString &_token);
+QueuedctlCommon::QueuedctlResult listPlugins();
+QueuedctlCommon::QueuedctlResult removePlugin(const QString &_plugin,
+                                              const QString &_token);
 void parser(QCommandLineParser &_parser);
 };
 

sources/queuedctl/src/QueuedctlTask.cpp

@@ -15,6 +15,7 @@
 
 
 #include "QueuedctlTask.h"
+#include "QueuedctlCommon.h"
 
 #include <QDir>
 
@@ -25,13 +26,25 @@ extern "C" {
 }
 
 
-long long QueuedctlTask::addTask(
+QueuedctlCommon::QueuedctlResult QueuedctlTask::addTask(
     const QueuedProcess::QueuedProcessDefinitions &_definitions,
     const QString &_token)
 {
     qCDebug(LOG_APP) << "Add task" << _definitions.command;
 
-    return QueuedCoreAdaptor::sendTaskAdd(_definitions, _token);
+    auto res = QueuedCoreAdaptor::sendTaskAdd(_definitions, _token);
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res,
+                  [&output](const long long val) {
+                      output.status = (val > 0);
+                      output.output = QString::number(val);
+                  },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
@@ -52,10 +65,15 @@ QueuedctlTask::getDefinitions(const QCommandLineParser &_parser,
                   });
 
     definitions.nice = _parser.value("nice").toUInt();
-    definitions.user
+    if (_parser.value("task-user").isEmpty()) {
-        = _parser.value("task-user").isEmpty()
+        definitions.user = 0;
-              ? 0
+    } else {
-              : QueuedCoreAdaptor::getUserId(_parser.value("task-user"));
+        auto res = QueuedCoreAdaptor::getUserId(_parser.value("task-user"));
+        Result::match(
+            res,
+            [&definitions](const long long val) { definitions.user = val; },
+            [&definitions](const QueuedError &) { definitions.user = 0; });
+    }
     definitions.workingDirectory
         = QFileInfo(_parser.value("directory")).absoluteFilePath();
     // limits now
@@ -87,30 +105,67 @@ QueuedctlTask::getDefinitions(const QCommandLineParser &_parser,
 }
 
 
-QVariant QueuedctlTask::getTask(const long long _id, const QString &_property)
+QueuedctlCommon::QueuedctlResult
+QueuedctlTask::getTask(const long long _id, const QString &_property)
 {
     qCDebug(LOG_APP) << "Get property" << _property << "from task" << _id;
 
-    if (_property.isEmpty())
+    QueuedctlCommon::QueuedctlResult output;
-        return QueuedCoreAdaptor::getTask(_id);
+
-    else
+    if (_property.isEmpty()) {
-        return QueuedCoreAdaptor::getTask(_id, _property);
+        auto res = QueuedCoreAdaptor::getTask(_id);
+        Result::match(res,
+                      [&output](const QVariantHash &val) {
+                          output.status = true;
+                          output.output = QueuedctlCommon::hashToString(val);
+                      },
+                      [&output](const QueuedError &err) {
+                          output.output = err.message().c_str();
+                      });
+    } else {
+        auto res = QueuedCoreAdaptor::getTask(_id, _property);
+        Result::match(res,
+                      [&output](const QVariant &val) {
+                          output.status = val.isValid();
+                          output.output = val.toString();
+                      },
+                      [&output](const QueuedError &err) {
+                          output.output = err.message().c_str();
+                      });
+    }
+
+    return output;
 }
 
 
-QList<QVariantHash> QueuedctlTask::getTasks(const QCommandLineParser &_parser,
+QueuedctlCommon::QueuedctlResult
+QueuedctlTask::getTasks(const QCommandLineParser &_parser,
                         const QString &_token)
 {
-    long long user
+    long long userId = -1;
-        = _parser.value("task-user").isEmpty()
+    if (!_parser.value("task-user").isEmpty()) {
-              ? -1
+        auto res = QueuedCoreAdaptor::getUserId(_parser.value("task-user"));
-              : QueuedCoreAdaptor::getUserId(_parser.value("task-user"));
+        Result::match(res, [&userId](const long long val) { userId = val; },
+                      [&userId](const QueuedError &) {});
+    }
     QDateTime stop
         = QDateTime::fromString(_parser.value("stop"), Qt::ISODateWithMs);
     QDateTime start
         = QDateTime::fromString(_parser.value("start"), Qt::ISODateWithMs);
 
-    return QueuedCoreAdaptor::getTasks(user, start, stop, _token);
+    QueuedctlCommon::QueuedctlResult output;
+
+    auto res = QueuedCoreAdaptor::getTasks(userId, start, stop, _token);
+    Result::match(res,
+                  [&output](const QList<QVariantHash> &val) {
+                      output.status = true;
+                      output.output = QueuedctlCommon::hashListToString(val);
+                  },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
@@ -245,28 +300,54 @@ void QueuedctlTask::parserStart(QCommandLineParser &_parser)
 }
 
 
-bool QueuedctlTask::setTask(
+QueuedctlCommon::QueuedctlResult QueuedctlTask::setTask(
     const long long _id,
     const QueuedProcess::QueuedProcessDefinitions &_definitions,
     const QString &_token)
 {
     qCDebug(LOG_APP) << "Edit task" << _id;
 
-    return QueuedCoreAdaptor::sendTaskEdit(_id, _definitions, _token);
+    auto res = QueuedCoreAdaptor::sendTaskEdit(_id, _definitions, _token);
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res, [&output](const bool val) { output.status = val; },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
-bool QueuedctlTask::startTask(const long long _id, const QString &_token)
+QueuedctlCommon::QueuedctlResult QueuedctlTask::startTask(const long long _id,
+                                                          const QString &_token)
 {
     qCDebug(LOG_APP) << "Start task" << _id;
 
-    return QueuedCoreAdaptor::sendTaskStart(_id, _token);
+    auto res = QueuedCoreAdaptor::sendTaskStart(_id, _token);
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res, [&output](const bool val) { output.status = val; },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
-bool QueuedctlTask::stopTask(const long long _id, const QString &_token)
+QueuedctlCommon::QueuedctlResult QueuedctlTask::stopTask(const long long _id,
+                                                         const QString &_token)
 {
     qCDebug(LOG_APP) << "Stop task" << _id;
 
-    return QueuedCoreAdaptor::sendTaskStop(_id, _token);
+    auto res = QueuedCoreAdaptor::sendTaskStart(_id, _token);
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res, [&output](const bool val) { output.status = val; },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }

sources/queuedctl/src/QueuedctlTask.h

@@ -21,26 +21,33 @@
 
 #include <queued/QueuedProcess.h>
 
+#include "QueuedctlCommon.h"
+
 
 namespace QueuedctlTask
 {
-long long addTask(const QueuedProcess::QueuedProcessDefinitions &_definitions,
+QueuedctlCommon::QueuedctlResult
+addTask(const QueuedProcess::QueuedProcessDefinitions &_definitions,
         const QString &_token);
 QueuedProcess::QueuedProcessDefinitions
 getDefinitions(const QCommandLineParser &_parser, const bool _expandAll);
-QVariant getTask(const long long _id, const QString &_property);
+QueuedctlCommon::QueuedctlResult getTask(const long long _id,
-QList<QVariantHash> getTasks(const QCommandLineParser &_parser,
+                                         const QString &_property);
+QueuedctlCommon::QueuedctlResult getTasks(const QCommandLineParser &_parser,
                                           const QString &_token);
 void parserAdd(QCommandLineParser &_parser);
 void parserGet(QCommandLineParser &_parser);
 void parserList(QCommandLineParser &_parser);
 void parserSet(QCommandLineParser &_parser);
 void parserStart(QCommandLineParser &_parser);
-bool setTask(const long long _id,
+QueuedctlCommon::QueuedctlResult
+setTask(const long long _id,
         const QueuedProcess::QueuedProcessDefinitions &_definitions,
         const QString &_token);
-bool startTask(const long long _id, const QString &_token);
+QueuedctlCommon::QueuedctlResult startTask(const long long _id,
-bool stopTask(const long long _id, const QString &_token);
+                                           const QString &_token);
+QueuedctlCommon::QueuedctlResult stopTask(const long long _id,
+                                          const QString &_token);
 };
 
 

sources/queuedctl/src/QueuedctlUser.cpp

@@ -15,10 +15,12 @@
 
 
 #include "QueuedctlUser.h"
+#include "QueuedctlCommon.h"
 
 #include <queued/Queued.h>
 
 #include <iostream>
+#include <queued/QueuedUser.h>
 
 extern "C" {
 #include <termios.h>
@@ -26,17 +28,30 @@ extern "C" {
 }
 
 
-long long
+QueuedctlCommon::QueuedctlResult
 QueuedctlUser::addUser(const QueuedUser::QueuedUserDefinitions &_definitions,
                        const QString &_token)
 {
     qCDebug(LOG_APP) << "Add user" << _definitions.name;
 
-    return QueuedCoreAdaptor::sendUserAdd(_definitions, _token);
+    auto res = QueuedCoreAdaptor::sendUserAdd(_definitions, _token);
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res,
+                  [&output](const long long val) {
+                      output.status = (val > 0);
+                      output.output = QString::number(val);
+                  },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
-QList<QVariantHash> QueuedctlUser::getReport(const QCommandLineParser &_parser,
+QueuedctlCommon::QueuedctlResult
+QueuedctlUser::getReport(const QCommandLineParser &_parser,
                          const QString &_token)
 {
     qCDebug(LOG_APP) << "Get usage report";
@@ -46,7 +61,19 @@ QList<QVariantHash> QueuedctlUser::getReport(const QCommandLineParser &_parser,
     QDateTime start
         = QDateTime::fromString(_parser.value("start"), Qt::ISODateWithMs);
 
-    return QueuedCoreAdaptor::getPerformance(start, stop, _token);
+    auto res = QueuedCoreAdaptor::getPerformance(start, stop, _token);
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res,
+                  [&output](const QList<QVariantHash> &val) {
+                      output.status = true;
+                      output.output = QueuedctlCommon::hashListToString(val);
+                  },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
@@ -59,15 +86,16 @@ QueuedctlUser::getDefinitions(const QCommandLineParser &_parser,
 
     QueuedUser::QueuedUserDefinitions definitions;
 
-    definitions.email = _parser.value("email");
+    // define password first
     definitions.password = _parser.isSet("stdin-password")
                            ? getPassword()
                            : _parser.value("password");
-    // transform to hash
+    auto res = QueuedCoreAdaptor::sendPasswordHash(definitions.password);
-    definitions.password
+    Result::match(
-        = definitions.password.isEmpty()
+        res, [&definitions](const QString &val) { definitions.password = val; },
-              ? ""
+        [](const QueuedError &) {});
-              : QueuedUser::hashFromPassword(definitions.password);
+
+    definitions.email = _parser.value("email");
     // limits now
     QueuedLimits::Limits limits(
         _parser.value("limit-cpu").toLongLong(),
@@ -107,18 +135,41 @@ QString QueuedctlUser::getPassword()
 }
 
 
-QVariant QueuedctlUser::getUser(const long long _id, const QString &_property)
+QueuedctlCommon::QueuedctlResult
+QueuedctlUser::getUser(const long long _id, const QString &_property)
 {
     qCDebug(LOG_APP) << "Get property" << _property << "from user" << _id;
 
-    if (_property.isEmpty())
+    QueuedctlCommon::QueuedctlResult output;
-        return QueuedCoreAdaptor::getUser(_id);
+
-    else
+    if (_property.isEmpty()) {
-        return QueuedCoreAdaptor::getUser(_id, _property);
+        auto res = QueuedCoreAdaptor::getUser(_id);
+        Result::match(res,
+                      [&output](const QVariantHash &val) {
+                          output.status = true;
+                          output.output = QueuedctlCommon::hashToString(val);
+                      },
+                      [&output](const QueuedError &err) {
+                          output.output = err.message().c_str();
+                      });
+    } else {
+        auto res = QueuedCoreAdaptor::getUser(_id, _property);
+        Result::match(res,
+                      [&output](const QVariant &val) {
+                          output.status = val.isValid();
+                          output.output = val.toString();
+                      },
+                      [&output](const QueuedError &err) {
+                          output.output = err.message().c_str();
+                      });
+    }
+
+    return output;
 }
 
 
-QList<QVariantHash> QueuedctlUser::getUsers(const QCommandLineParser &_parser,
+QueuedctlCommon::QueuedctlResult
+QueuedctlUser::getUsers(const QCommandLineParser &_parser,
                         const QString &_token)
 {
     QDateTime lastLogin = QDateTime::fromString(_parser.value("last-logged"),
@@ -128,7 +179,19 @@ QList<QVariantHash> QueuedctlUser::getUsers(const QCommandLineParser &_parser,
               ? QueuedEnums::Permission::Invalid
               : QueuedEnums::Permission(_parser.value("access").toInt());
 
-    return QueuedCoreAdaptor::getUsers(lastLogin, permission, _token);
+    auto res = QueuedCoreAdaptor::getUsers(lastLogin, permission, _token);
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res,
+                  [&output](const QList<QVariantHash> &val) {
+                      output.status = true;
+                      output.output = QueuedctlCommon::hashListToString(val);
+                  },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }
 
 
@@ -253,11 +316,20 @@ void QueuedctlUser::parserSet(QCommandLineParser &_parser)
 }
 
 
-bool QueuedctlUser::setUser(
+QueuedctlCommon::QueuedctlResult
-    const long long _id, const QueuedUser::QueuedUserDefinitions &_definitions,
+QueuedctlUser::setUser(const long long _id,
+                       const QueuedUser::QueuedUserDefinitions &_definitions,
                        const QString &_token)
 {
     qCDebug(LOG_APP) << "Edit user" << _id;
 
-    return QueuedCoreAdaptor::sendUserEdit(_id, _definitions, _token);
+    auto res = QueuedCoreAdaptor::sendUserEdit(_id, _definitions, _token);
+
+    QueuedctlCommon::QueuedctlResult output;
+    Result::match(res, [&output](const bool val) { output.status = val; },
+                  [&output](const QueuedError &err) {
+                      output.output = err.message().c_str();
+                  });
+
+    return output;
 }

sources/queuedctl/src/QueuedctlUser.h

@@ -21,25 +21,30 @@
 
 #include <queued/QueuedUser.h>
 
+#include "QueuedctlCommon.h"
+
 
 namespace QueuedctlUser
 {
-long long addUser(const QueuedUser::QueuedUserDefinitions &_definitions,
+QueuedctlCommon::QueuedctlResult
+addUser(const QueuedUser::QueuedUserDefinitions &_definitions,
         const QString &_token);
-QList<QVariantHash> getReport(const QCommandLineParser &_parser,
+QueuedctlCommon::QueuedctlResult getReport(const QCommandLineParser &_parser,
                                            const QString &_token);
 QueuedUser::QueuedUserDefinitions
 getDefinitions(const QCommandLineParser &_parser, const bool _expandAll);
 QString getPassword();
-QVariant getUser(const long long _id, const QString &_property);
+QueuedctlCommon::QueuedctlResult getUser(const long long _id,
-QList<QVariantHash> getUsers(const QCommandLineParser &_parser,
+                                         const QString &_property);
+QueuedctlCommon::QueuedctlResult getUsers(const QCommandLineParser &_parser,
                                           const QString &_token);
 void parserAdd(QCommandLineParser &_parser);
 void parserGet(QCommandLineParser &_parser);
 void parserList(QCommandLineParser &_parser);
 void parserReport(QCommandLineParser &_parser);
 void parserSet(QCommandLineParser &_parser);
-bool setUser(const long long _id,
+QueuedctlCommon::QueuedctlResult
+setUser(const long long _id,
         const QueuedUser::QueuedUserDefinitions &_definitions,
         const QString &_token);
 };

sources/version.h.in

@@ -3,14 +3,14 @@
 
 
 // information
-const char NAME[] = "Queued";
+static const char NAME[] = "Queued";
-const char VERSION[] = "@PROJECT_VERSION@";
+static const char VERSION[] = "@PROJECT_VERSION@";
-const char COMMIT_SHA[] = "@PROJECT_COMMIT_SHA@";
+static const char COMMIT_SHA[] = "@PROJECT_COMMIT_SHA@";
-const char AUTHOR[] = "@PROJECT_AUTHOR@";
+static const char AUTHOR[] = "@PROJECT_AUTHOR@";
-const char EMAIL[] = "@PROJECT_CONTACT@";
+static const char EMAIL[] = "@PROJECT_CONTACT@";
-const char LICENSE[] = "@PROJECT_LICENSE@";
+static const char LICENSE[] = "@PROJECT_LICENSE@";
-const char TRDPARTY_LICENSE[] = "";
+static const char TRDPARTY_LICENSE[] = "";
-const char SPECIAL_THANKS[] = "";
+static const char SPECIAL_THANKS[] = "";
 
 // configuration
 // use define here instead of normal const definition for moc
@@ -20,43 +20,46 @@ const char SPECIAL_THANKS[] = "";
 #cmakedefine BUILD_TESTING
 
 // links
-const char HOMEPAGE[] = "https://arcanis.me/projects/queued";
+static const char HOMEPAGE[] = "https://arcanis.me/projects/queued";
-const char REPOSITORY[] = "https://github.com/arcan1s/queued";
+static const char REPOSITORY[] = "https://github.com/arcan1s/queued";
-const char RELEASES[] = "https://github.com/arcan1s/queued/releases/tag/V.";
+static const char RELEASES[]
-const char VERSION_API[]
+    = "https://github.com/arcan1s/queued/releases/tag/V.";
+static const char VERSION_API[]
     = "https://api.github.com/repos/arcan1s/queued/releases";
-const char BUGTRACKER[] = "https://github.com/arcan1s/queued/issues";
+static const char BUGTRACKER[] = "https://github.com/arcan1s/queued/issues";
-const char BUGTRACKER_API[] = "https://arcanis.me/repos/arcan1s/queued/issues";
+static const char BUGTRACKER_API[]
+    = "https://arcanis.me/repos/arcan1s/queued/issues";
 
 // build information
-const char BUILD_DATE[] = "@CURRENT_DATE@";
+static const char BUILD_DATE[] = "@CURRENT_DATE@";
 
 // cmake properties
-const char CMAKE_BUILD_TYPE[] = "@CMAKE_BUILD_TYPE@";
+static const char CMAKE_BUILD_TYPE[] = "@CMAKE_BUILD_TYPE@";
-const char CMAKE_CXX_COMPILER[] = "@CMAKE_CXX_COMPILER@";
+static const char CMAKE_CXX_COMPILER[] = "@CMAKE_CXX_COMPILER@";
-const char CMAKE_CXX_FLAGS[] = "@CMAKE_CXX_FLAGS@";
+static const char CMAKE_CXX_FLAGS[] = "@CMAKE_CXX_FLAGS@";
-const char CMAKE_CXX_FLAGS_DEBUG[] = "@CMAKE_CXX_FLAGS_DEBUG@";
+static const char CMAKE_CXX_FLAGS_DEBUG[] = "@CMAKE_CXX_FLAGS_DEBUG@";
-const char CMAKE_CXX_FLAGS_RELEASE[] = "@CMAKE_CXX_FLAGS_RELEASE@";
+static const char CMAKE_CXX_FLAGS_RELEASE[] = "@CMAKE_CXX_FLAGS_RELEASE@";
-const char CMAKE_CXX_FLAGS_OPTIMIZATION[] = "@CMAKE_CXX_FLAGS_OPTIMIZATION@";
+static const char CMAKE_CXX_FLAGS_OPTIMIZATION[]
-const char CMAKE_DEFINITIONS[] = "@CMAKE_DEFINITIONS@";
+    = "@CMAKE_CXX_FLAGS_OPTIMIZATION@";
-const char CMAKE_INSTALL_PREFIX[] = "@CMAKE_INSTALL_PREFIX@";
+static const char CMAKE_DEFINITIONS[] = "@CMAKE_DEFINITIONS@";
-const char CMAKE_MODULE_LINKER_FLAGS[] = "@CMAKE_MODULE_LINKER_FLAGS@";
+static const char CMAKE_INSTALL_PREFIX[] = "@CMAKE_INSTALL_PREFIX@";
-const char CMAKE_SHARED_LINKER_FLAGS[] = "@CMAKE_SHARED_LINKER_FLAGS@";
+static const char CMAKE_MODULE_LINKER_FLAGS[] = "@CMAKE_MODULE_LINKER_FLAGS@";
+static const char CMAKE_SHARED_LINKER_FLAGS[] = "@CMAKE_SHARED_LINKER_FLAGS@";
 // components
-const char BUILD_DEB_PACKAGE[] = "@BUILD_DEB_PACKAGE@";
+static const char BUILD_DEB_PACKAGE[] = "@BUILD_DEB_PACKAGE@";
-const char BUILD_RPM_PACKAGE[] = "@BUILD_RPM_PACKAGE@";
+static const char BUILD_RPM_PACKAGE[] = "@BUILD_RPM_PACKAGE@";
-const char CLANGFORMAT_EXECUTABLE[] = "@CLANGFORMAT_EXECUTABLE@";
+static const char CLANGFORMAT_EXECUTABLE[] = "@CLANGFORMAT_EXECUTABLE@";
-const char COVERITY_COMMENT[] = "@COVERITY_COMMENT@";
+static const char COVERITY_COMMENT[] = "@COVERITY_COMMENT@";
-const char COVERITY_DIRECTORY[] = "@COVERITY_DIRECTORY@";
+static const char COVERITY_DIRECTORY[] = "@COVERITY_DIRECTORY@";
-const char COVERITY_EMAIL[] = "@COVERITY_EMAIL@";
+static const char COVERITY_EMAIL[] = "@COVERITY_EMAIL@";
-const char COVERITY_EXECUTABLE[] = "@COVERITY_EXECUTABLE@";
+static const char COVERITY_EXECUTABLE[] = "@COVERITY_EXECUTABLE@";
-const char COVERITY_URL[] = "@COVERITY_URL@";
+static const char COVERITY_URL[] = "@COVERITY_URL@";
-const char CPPCHECK_EXECUTABLE[] = "@CPPCHECK_EXECUTABLE@";
+static const char CPPCHECK_EXECUTABLE[] = "@CPPCHECK_EXECUTABLE@";
 // additional functions
-const char PROP_DOCS[] = "@BUILD_DOCS@";
+static const char PROP_DOCS[] = "@BUILD_DOCS@";
-const char PROP_FUTURE[] = "@BUILD_FUTURE@";
+static const char PROP_FUTURE[] = "@BUILD_FUTURE@";
-const char PROP_LOAD[] = "@BUILD_LOAD@";
+static const char PROP_LOAD[] = "@BUILD_LOAD@";
-const char PROP_TEST[] = "@BUILD_TESTING@";
+static const char PROP_TEST[] = "@BUILD_TESTING@";
 
 
 #endif /* VERSION_H */