feat: support uid revoke and uid delete operations

src/core/function/gpg/GpgAutomatonHandler.cpp

@@ -0,0 +1,157 @@
+/**
+ * Copyright (C) 2021-2024 Saturneric <eric@bktus.com>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <eric@bktus.com> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "GpgAutomatonHandler.h"
+
+#include <utility>
+
+#include "core/model/GpgData.h"
+#include "core/model/GpgKey.h"
+#include "core/utils/GpgUtils.h"
+
+namespace GpgFrontend {
+
+GpgAutomatonHandler::GpgAutomatonHandler(int channel)
+    : SingletonFunctionObject<GpgAutomatonHandler>(channel) {}
+
+auto GpgAutomatonHandler::interator_cb_func(void* handle, const char* status,
+                                            const char* args,
+                                            int fd) -> gpgme_error_t {
+  auto* handle_struct = static_cast<AutomatonHandelStruct*>(handle);
+  QString status_s = status;
+  QString args_s = args;
+
+  if (status_s == "KEY_CONSIDERED") {
+    auto tokens = QString(args).split(' ');
+
+    if (tokens.empty() || tokens[0] != handle_struct->KeyFpr()) {
+      LOG_W() << "handle struct key fpr " << handle_struct->KeyFpr()
+              << "mismatch token: " << tokens[0] << ", exit...";
+
+      return -1;
+    }
+
+    return 0;
+  }
+
+  if (status_s == "GOT_IT" || status_s.isEmpty()) {
+    FLOG_D("gpg reply is GOT_IT, continue...");
+    return 0;
+  }
+
+  LOG_D() << "current state" << handle_struct->CurrentStatus()
+          << "gpg status: " << status_s << ", args: " << args_s;
+
+  AutomatonState next_state = handle_struct->NextState(status_s, args_s);
+  if (next_state == AS_ERROR) {
+    FLOG_D("handle struct next state caught error, abort...");
+    return -1;
+  }
+  LOG_D() << "next state" << next_state;
+
+  if (next_state == AS_SAVE) {
+    handle_struct->SetSuccess(true);
+  }
+
+  // set state and preform action
+  handle_struct->SetStatus(next_state);
+  Command cmd = handle_struct->Action();
+
+  LOG_D() << "next action, cmd:" << cmd;
+
+  if (!cmd.isEmpty()) {
+    auto btye_array = cmd.toUtf8();
+    gpgme_io_write(fd, btye_array, btye_array.size());
+    gpgme_io_write(fd, "\n", 1);
+  } else if (status_s == "GET_LINE") {
+    // avoid trapping in this state
+    return GPG_ERR_FALSE;
+  }
+
+  return 0;
+}
+
+auto GpgAutomatonHandler::DoInteract(
+    const GpgKey& key, AutomatonNextStateHandler next_state_handler,
+    AutomatonActionHandler action_handler) -> bool {
+  auto key_fpr = key.GetFingerprint();
+  AutomatonHandelStruct handel_struct(key_fpr);
+  handel_struct.SetHandler(std::move(next_state_handler),
+                           std::move(action_handler));
+
+  GpgData data_out;
+
+  auto err =
+      gpgme_op_interact(ctx_.DefaultContext(), static_cast<gpgme_key_t>(key), 0,
+                        GpgAutomatonHandler::interator_cb_func,
+                        static_cast<void*>(&handel_struct), data_out);
+  return CheckGpgError(err) == GPG_ERR_NO_ERROR && handel_struct.Success();
+}
+
+auto GpgAutomatonHandler::AutomatonHandelStruct::NextState(
+    QString gpg_status, QString args) -> AutomatonState {
+  return next_state_handler_(current_state_, std::move(gpg_status),
+                             std::move(args));
+}
+
+void GpgAutomatonHandler::AutomatonHandelStruct::SetHandler(
+    AutomatonNextStateHandler next_state_handler,
+    AutomatonActionHandler action_handler) {
+  next_state_handler_ = std::move(next_state_handler);
+  action_handler_ = std::move(action_handler);
+}
+
+auto GpgAutomatonHandler::AutomatonHandelStruct::CurrentStatus()
+    -> AutomatonState {
+  return current_state_;
+}
+
+void GpgAutomatonHandler::AutomatonHandelStruct::SetStatus(
+    AutomatonState next_state) {
+  current_state_ = next_state;
+}
+
+auto GpgAutomatonHandler::AutomatonHandelStruct::Action() -> Command {
+  return action_handler_(*this, current_state_);
+}
+
+void GpgAutomatonHandler::AutomatonHandelStruct::SetSuccess(bool success) {
+  success_ = success;
+}
+
+auto GpgAutomatonHandler::AutomatonHandelStruct::Success() const -> bool {
+  return success_;
+}
+auto GpgAutomatonHandler::AutomatonHandelStruct::KeyFpr() -> QString {
+  return key_fpr_;
+}
+
+GpgAutomatonHandler::AutomatonHandelStruct::AutomatonHandelStruct(
+    QString key_fpr)
+    : key_fpr_(std::move(key_fpr)) {}
+}  // namespace GpgFrontend

src/core/function/gpg/GpgAutomatonHandler.h

@@ -0,0 +1,110 @@
+
+
+/**
+ * Copyright (C) 2021-2024 Saturneric <eric@bktus.com>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <eric@bktus.com> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#pragma once
+
+#include "core/GpgFrontendCore.h"
+#include "core/function/basic/GpgFunctionObject.h"
+#include "core/function/gpg/GpgContext.h"
+#include "core/typedef/GpgTypedef.h"
+
+namespace GpgFrontend {
+
+class GpgAutomatonHandler
+    : public SingletonFunctionObject<GpgAutomatonHandler> {
+ public:
+  using Command = QString;
+  using AutomatonState = enum {
+    AS_START,
+    AS_SELECT,
+    AS_COMMAND,
+    AS_VALUE,
+    AS_REASON_CODE,
+    AS_REASON_TEXT,
+    AS_REALLY_ULTIMATE,
+    AS_SAVE,
+    AS_ERROR,
+    AS_QUIT,
+  };
+
+  struct AutomatonHandelStruct;
+
+  using AutomatonActionHandler =
+      std::function<Command(AutomatonHandelStruct&, AutomatonState)>;
+  using AutomatonNextStateHandler =
+      std::function<AutomatonState(AutomatonState, QString, QString)>;
+
+  struct AutomatonHandelStruct {
+    explicit AutomatonHandelStruct(QString key_fpr);
+    void SetStatus(AutomatonState next_state);
+    auto CurrentStatus() -> AutomatonState;
+    void SetHandler(AutomatonNextStateHandler next_state_handler,
+                    AutomatonActionHandler action_handler);
+    auto NextState(QString gpg_status, QString args) -> AutomatonState;
+    auto Action() -> Command;
+    void SetSuccess(bool success);
+    [[nodiscard]] auto Success() const -> bool;
+    auto KeyFpr() -> QString;
+
+   private:
+    AutomatonState current_state_ = AS_START;
+    AutomatonNextStateHandler next_state_handler_;
+    AutomatonActionHandler action_handler_;
+    bool success_ = false;
+    QString key_fpr_;
+  };
+
+  /**
+   * @brief Construct a new Gpg Key Manager object
+   *
+   * @param channel
+   */
+  explicit GpgAutomatonHandler(
+      int channel = SingletonFunctionObject::GetDefaultChannel());
+
+  auto DoInteract(const GpgKey& key,
+                  AutomatonNextStateHandler next_state_handler,
+                  AutomatonActionHandler action_handler) -> bool;
+
+ private:
+  static auto interator_cb_func(void* handle, const char* status,
+                                const char* args, int fd) -> gpgme_error_t;
+
+  GpgContext& ctx_ =
+      GpgContext::GetInstance(SingletonFunctionObject::GetChannel());  ///<
+};
+
+using AutomatonNextStateHandler =
+    GpgAutomatonHandler::AutomatonNextStateHandler;
+using AutomatonState = GpgAutomatonHandler::AutomatonState;
+using AutomatonActionHandler = GpgAutomatonHandler::AutomatonActionHandler;
+using AutomatonHandelStruct = GpgAutomatonHandler::AutomatonHandelStruct;
+
+}  // namespace GpgFrontend

src/core/function/gpg/GpgKeyManager.cpp

@@ -29,74 +29,19 @@
 #include "GpgKeyManager.h"
 
 #include "core/GpgModel.h"
+#include "core/function/gpg/GpgAutomatonHandler.h"
 #include "core/function/gpg/GpgBasicOperator.h"
 #include "core/function/gpg/GpgKeyGetter.h"
 #include "core/utils/GpgUtils.h"
 
-GpgFrontend::GpgKeyManager::GpgKeyManager(int channel)
+namespace GpgFrontend {
+
+GpgKeyManager::GpgKeyManager(int channel)
     : SingletonFunctionObject<GpgKeyManager>(channel) {}
 
-auto GpgFrontend::GpgKeyManager::interactor_cb_fnc(void* handle,
+auto GpgKeyManager::SignKey(const GpgKey& target, KeyArgsList& keys,
-                                                   const char* status,
+                            const QString& uid,
-                                                   const char* args,
+                            const std::unique_ptr<QDateTime>& expires) -> bool {
-                                                   int fd) -> gpgme_error_t {
-  auto* handle_struct = static_cast<AutomatonHandelStruct*>(handle);
-  QString status_s = status;
-  QString args_s = args;
-
-  if (status_s == "KEY_CONSIDERED") {
-    auto tokens = QString(args).split(' ');
-
-    if (tokens.empty() || tokens[0] != handle_struct->KeyFpr()) {
-      LOG_W() << "handle struct key fpr " << handle_struct->KeyFpr()
-              << "mismatch token: " << tokens[0] << ", exit...";
-
-      return -1;
-    }
-
-    return 0;
-  }
-
-  if (status_s == "GOT_IT" || status_s.isEmpty()) {
-    FLOG_D("gpg reply is GOT_IT, continue...");
-    return 0;
-  }
-
-  LOG_D() << "current state" << handle_struct->CurrentStatus()
-          << "gpg status: " << status_s << ", args: " << args_s;
-
-  AutomatonState next_state = handle_struct->NextState(status_s, args_s);
-  if (next_state == AS_ERROR) {
-    FLOG_D("handle struct next state caught error, abort...");
-    return -1;
-  }
-  LOG_D() << "next state" << next_state;
-
-  if (next_state == AS_SAVE) {
-    handle_struct->SetSuccess(true);
-  }
-
-  // set state and preform action
-  handle_struct->SetStatus(next_state);
-  Command cmd = handle_struct->Action();
-
-  LOG_D() << "next action, cmd:" << cmd;
-
-  if (!cmd.isEmpty()) {
-    auto btye_array = cmd.toUtf8();
-    gpgme_io_write(fd, btye_array, btye_array.size());
-    gpgme_io_write(fd, "\n", 1);
-  } else if (status_s == "GET_LINE") {
-    // avoid trapping in this state
-    return GPG_ERR_FALSE;
-  }
-
-  return 0;
-}
-
-auto GpgFrontend::GpgKeyManager::SignKey(
-    const GpgFrontend::GpgKey& target, GpgFrontend::KeyArgsList& keys,
-    const QString& uid, const std::unique_ptr<QDateTime>& expires) -> bool {
   GpgBasicOperator::GetInstance(GetChannel()).SetSigners(keys, true);
 
   unsigned int flags = 0;
@@ -115,9 +60,8 @@ auto GpgFrontend::GpgKeyManager::SignKey(
   return CheckGpgError(err) == GPG_ERR_NO_ERROR;
 }
 
-auto GpgFrontend::GpgKeyManager::RevSign(
+auto GpgKeyManager::RevSign(const GpgKey& key,
-    const GpgFrontend::GpgKey& key,
+                            const SignIdArgsListPtr& signature_id) -> bool {
-    const GpgFrontend::SignIdArgsListPtr& signature_id) -> bool {
   auto& key_getter = GpgKeyGetter::GetInstance(GetChannel());
 
   for (const auto& sign_id : *signature_id) {
@@ -132,9 +76,9 @@ auto GpgFrontend::GpgKeyManager::RevSign(
   return true;
 }
 
-auto GpgFrontend::GpgKeyManager::SetExpire(
+auto GpgKeyManager::SetExpire(const GpgKey& key,
-    const GpgFrontend::GpgKey& key, std::unique_ptr<GpgSubKey>& subkey,
+                              std::unique_ptr<GpgSubKey>& subkey,
-    std::unique_ptr<QDateTime>& expires) -> bool {
+                              std::unique_ptr<QDateTime>& expires) -> bool {
   unsigned long expires_time = 0;
 
   if (expires != nullptr) expires_time = expires->toSecsSinceEpoch();
@@ -150,73 +94,73 @@ auto GpgFrontend::GpgKeyManager::SetExpire(
   return CheckGpgError(err) == GPG_ERR_NO_ERROR;
 }
 
-auto GpgFrontend::GpgKeyManager::SetOwnerTrustLevel(const GpgKey& key,
+auto GpgKeyManager::SetOwnerTrustLevel(const GpgKey& key,
-                                                    int trust_level) -> bool {
+                                       int trust_level) -> bool {
   if (trust_level < 1 || trust_level > 5) {
     FLOG_W("illegal owner trust level: %d", trust_level);
   }
 
-  AutomatonNextStateHandler next_state_handler =
+  GpgAutomatonHandler::AutomatonNextStateHandler next_state_handler =
       [](AutomatonState state, QString status, QString args) {
         auto tokens = args.split(' ');
 
         switch (state) {
-          case AS_START:
+          case GpgAutomatonHandler::AS_START:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_COMMAND;
+              return GpgAutomatonHandler::AS_COMMAND;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_COMMAND:
+          case GpgAutomatonHandler::AS_COMMAND:
             if (status == "GET_LINE" && args == "edit_ownertrust.value") {
-              return AS_VALUE;
+              return GpgAutomatonHandler::AS_VALUE;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_VALUE:
+          case GpgAutomatonHandler::AS_VALUE:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             } else if (status == "GET_BOOL" &&
                        args == "edit_ownertrust.set_ultimate.okay") {
-              return AS_REALLY_ULTIMATE;
+              return GpgAutomatonHandler::AS_REALLY_ULTIMATE;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_REALLY_ULTIMATE:
+          case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_QUIT:
+          case GpgAutomatonHandler::AS_QUIT:
             if (status == "GET_BOOL" && args == "keyedit.save.okay") {
-              return AS_SAVE;
+              return GpgAutomatonHandler::AS_SAVE;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_ERROR:
+          case GpgAutomatonHandler::AS_ERROR:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
           default:
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
         };
       };
 
   AutomatonActionHandler action_handler =
       [trust_level](AutomatonHandelStruct& handler, AutomatonState state) {
         switch (state) {
-          case AS_COMMAND:
+          case GpgAutomatonHandler::AS_COMMAND:
             return QString("trust");
-          case AS_VALUE:
+          case GpgAutomatonHandler::AS_VALUE:
             handler.SetSuccess(true);
             return QString::number(trust_level);
-          case AS_REALLY_ULTIMATE:
+          case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
             handler.SetSuccess(true);
             return QString("Y");
-          case AS_QUIT:
+          case GpgAutomatonHandler::AS_QUIT:
             return QString("quit");
-          case AS_SAVE:
+          case GpgAutomatonHandler::AS_SAVE:
             handler.SetSuccess(true);
             return QString("Y");
-          case AS_START:
+          case GpgAutomatonHandler::AS_START:
-          case AS_ERROR:
+          case GpgAutomatonHandler::AS_ERROR:
             return QString("");
           default:
             return QString("");
@@ -224,23 +168,14 @@ auto GpgFrontend::GpgKeyManager::SetOwnerTrustLevel(const GpgKey& key,
         return QString("");
       };
 
-  auto key_fpr = key.GetFingerprint();
+  return GpgAutomatonHandler::GetInstance(GetChannel())
-  AutomatonHandelStruct handel_struct(key_fpr);
+      .DoInteract(key, next_state_handler, action_handler);
-  handel_struct.SetHandler(next_state_handler, action_handler);
-
-  GpgData data_out;
-
-  auto err =
-      gpgme_op_interact(ctx_.DefaultContext(), static_cast<gpgme_key_t>(key), 0,
-                        GpgKeyManager::interactor_cb_fnc,
-                        static_cast<void*>(&handel_struct), data_out);
-  return CheckGpgError(err) == GPG_ERR_NO_ERROR && handel_struct.Success();
 }
 
-auto GpgFrontend::GpgKeyManager::DeleteSubkey(const GpgKey& key,
+auto GpgKeyManager::DeleteSubkey(const GpgKey& key, int subkey_index) -> bool {
-                                              int subkey_index) -> bool {
   if (subkey_index < 0 || subkey_index >= key.GetSubKeys()->size()) {
     LOG_W() << "illegal subkey index: " << subkey_index;
+    return false;
   }
 
   AutomatonNextStateHandler next_state_handler =
@@ -248,61 +183,61 @@ auto GpgFrontend::GpgKeyManager::DeleteSubkey(const GpgKey& key,
         auto tokens = args.split(' ');
 
         switch (state) {
-          case AS_START:
+          case GpgAutomatonHandler::AS_START:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_SELECT;
+              return GpgAutomatonHandler::AS_SELECT;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_SELECT:
+          case GpgAutomatonHandler::AS_SELECT:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_COMMAND;
+              return GpgAutomatonHandler::AS_COMMAND;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_COMMAND:
+          case GpgAutomatonHandler::AS_COMMAND:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             } else if (status == "GET_BOOL" &&
                        args == "keyedit.remove.subkey.okay") {
-              return AS_REALLY_ULTIMATE;
+              return GpgAutomatonHandler::AS_REALLY_ULTIMATE;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_REALLY_ULTIMATE:
+          case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_QUIT:
+          case GpgAutomatonHandler::AS_QUIT:
             if (status == "GET_BOOL" && args == "keyedit.save.okay") {
-              return AS_SAVE;
+              return GpgAutomatonHandler::AS_SAVE;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_ERROR:
+          case GpgAutomatonHandler::AS_ERROR:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
           default:
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
         };
       };
 
   AutomatonActionHandler action_handler =
       [subkey_index](AutomatonHandelStruct& handler, AutomatonState state) {
         switch (state) {
-          case AS_SELECT:
+          case GpgAutomatonHandler::AS_SELECT:
             return QString("key %1").arg(subkey_index);
-          case AS_COMMAND:
+          case GpgAutomatonHandler::AS_COMMAND:
             return QString("delkey");
-          case AS_REALLY_ULTIMATE:
+          case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
             handler.SetSuccess(true);
             return QString("Y");
-          case AS_QUIT:
+          case GpgAutomatonHandler::AS_QUIT:
             return QString("quit");
-          case AS_SAVE:
+          case GpgAutomatonHandler::AS_SAVE:
             handler.SetSuccess(true);
             return QString("Y");
-          case AS_START:
+          case GpgAutomatonHandler::AS_START:
-          case AS_ERROR:
+          case GpgAutomatonHandler::AS_ERROR:
             return QString("");
           default:
             return QString("");
@@ -316,29 +251,30 @@ auto GpgFrontend::GpgKeyManager::DeleteSubkey(const GpgKey& key,
 
   GpgData data_out;
 
-  auto err =
+  return GpgAutomatonHandler::GetInstance(GetChannel())
-      gpgme_op_interact(ctx_.DefaultContext(), static_cast<gpgme_key_t>(key), 0,
+      .DoInteract(key, next_state_handler, action_handler);
-                        GpgKeyManager::interactor_cb_fnc,
-                        static_cast<void*>(&handel_struct), data_out);
-  return CheckGpgError(err) == GPG_ERR_NO_ERROR && handel_struct.Success();
 }
 
-auto GpgFrontend::GpgKeyManager::RevokeSubkey(
+auto GpgKeyManager::RevokeSubkey(const GpgKey& key, int subkey_index,
-    const GpgKey& key, int subkey_index, int reason_code,
+                                 int reason_code,
-    const QString& reason_text) -> bool {
+                                 const QString& reason_text) -> bool {
   if (subkey_index < 0 || subkey_index >= key.GetSubKeys()->size()) {
     LOG_W() << "illegal subkey index: " << subkey_index;
+    return false;
+  }
+
+  if (reason_code < 0 || reason_code > 3) {
+    LOG_W() << "illegal reason code: " << reason_code;
+    return false;
   }
 
   // dealing with reason text
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 4)
-  auto reason_text_lines =
+  auto reason_text_lines = SecureCreateSharedObject<QList<QString>>(
-      GpgFrontend::SecureCreateSharedObject<QList<QString>>(
+      reason_text.split('\n', Qt::SkipEmptyParts).toVector());
-          reason_text.split('\n', Qt::SkipEmptyParts).toVector());
 #else
-  auto reason_text_lines =
+  auto reason_text_lines = SecureCreateSharedObject<QVector<QString>>(
-      GpgFrontend::SecureCreateSharedObject<QVector<QString>>(
+      reason_text.split('\n', Qt::SkipEmptyParts).toVector());
-          reason_text.split('\n', Qt::SkipEmptyParts).toVector());
 #endif
 
   AutomatonNextStateHandler next_state_handler =
@@ -346,63 +282,63 @@ auto GpgFrontend::GpgKeyManager::RevokeSubkey(
         auto tokens = args.split(' ');
 
         switch (state) {
-          case AS_START:
+          case GpgAutomatonHandler::AS_START:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_SELECT;
+              return GpgAutomatonHandler::AS_SELECT;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_SELECT:
+          case GpgAutomatonHandler::AS_SELECT:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_COMMAND;
+              return GpgAutomatonHandler::AS_COMMAND;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_COMMAND:
+          case GpgAutomatonHandler::AS_COMMAND:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             } else if (status == "GET_BOOL" &&
                        args == "keyedit.revoke.subkey.okay") {
-              return AS_REALLY_ULTIMATE;
+              return GpgAutomatonHandler::AS_REALLY_ULTIMATE;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_REASON_CODE:
+          case GpgAutomatonHandler::AS_REASON_CODE:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             } else if (status == "GET_LINE" &&
                        args == "ask_revocation_reason.text") {
-              return AS_REASON_TEXT;
+              return GpgAutomatonHandler::AS_REASON_TEXT;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_REASON_TEXT:
+          case GpgAutomatonHandler::AS_REASON_TEXT:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             } else if (status == "GET_LINE" &&
                        args == "ask_revocation_reason.text") {
-              return AS_REASON_TEXT;
+              return GpgAutomatonHandler::AS_REASON_TEXT;
             } else if (status == "GET_BOOL" &&
                        args == "ask_revocation_reason.okay") {
-              return AS_REALLY_ULTIMATE;
+              return GpgAutomatonHandler::AS_REALLY_ULTIMATE;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_REALLY_ULTIMATE:
+          case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             } else if (status == "GET_LINE" &&
                        args == "ask_revocation_reason.code") {
-              return AS_REASON_CODE;
+              return GpgAutomatonHandler::AS_REASON_CODE;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_QUIT:
+          case GpgAutomatonHandler::AS_QUIT:
             if (status == "GET_BOOL" && args == "keyedit.save.okay") {
-              return AS_SAVE;
+              return GpgAutomatonHandler::AS_SAVE;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
-          case AS_ERROR:
+          case GpgAutomatonHandler::AS_ERROR:
             if (status == "GET_LINE" && args == "keyedit.prompt") {
-              return AS_QUIT;
+              return GpgAutomatonHandler::AS_QUIT;
             }
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
           default:
-            return AS_ERROR;
+            return GpgAutomatonHandler::AS_ERROR;
         };
       };
 
@@ -410,25 +346,25 @@ auto GpgFrontend::GpgKeyManager::RevokeSubkey(
       [subkey_index, reason_code, reason_text_lines](
           AutomatonHandelStruct& handler, AutomatonState state) {
         switch (state) {
-          case AS_SELECT:
+          case GpgAutomatonHandler::AS_SELECT:
             return QString("key %1").arg(subkey_index);
-          case AS_COMMAND:
+          case GpgAutomatonHandler::AS_COMMAND:
             return QString("revkey");
-          case AS_REASON_CODE:
+          case GpgAutomatonHandler::AS_REASON_CODE:
             return QString::number(reason_code);
-          case AS_REASON_TEXT:
+          case GpgAutomatonHandler::AS_REASON_TEXT:
             return reason_text_lines->isEmpty()
                        ? QString("")
                        : QString(reason_text_lines->takeFirst().toUtf8());
-          case AS_REALLY_ULTIMATE:
+          case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
             return QString("Y");
-          case AS_QUIT:
+          case GpgAutomatonHandler::AS_QUIT:
             return QString("quit");
-          case AS_SAVE:
+          case GpgAutomatonHandler::AS_SAVE:
             handler.SetSuccess(true);
             return QString("Y");
-          case AS_START:
+          case GpgAutomatonHandler::AS_START:
-          case AS_ERROR:
+          case GpgAutomatonHandler::AS_ERROR:
             return QString("");
           default:
             return QString("");
@@ -442,9 +378,8 @@ auto GpgFrontend::GpgKeyManager::RevokeSubkey(
 
   GpgData data_out;
 
-  auto err =
+  return GpgAutomatonHandler::GetInstance(GetChannel())
-      gpgme_op_interact(ctx_.DefaultContext(), static_cast<gpgme_key_t>(key), 0,
+      .DoInteract(key, next_state_handler, action_handler);
-                        GpgKeyManager::interactor_cb_fnc,
-                        static_cast<void*>(&handel_struct), data_out);
-  return CheckGpgError(err) == GPG_ERR_NO_ERROR && handel_struct.Success();
 }
+
+}  // namespace GpgFrontend

src/core/function/gpg/GpgKeyManager.h

@@ -28,8 +28,6 @@
 
 #pragma once
 
-#include <functional>
-
 #include "core/function/basic/GpgFunctionObject.h"
 #include "core/function/gpg/GpgContext.h"
 #include "core/typedef/GpgTypedef.h"
@@ -113,61 +111,6 @@ class GPGFRONTEND_CORE_EXPORT GpgKeyManager
                     const QString& reason_text) -> bool;
 
  private:
-  static auto interactor_cb_fnc(void* handle, const char* status,
-                                const char* args, int fd) -> gpgme_error_t;
-
-  using Command = QString;
-  using AutomatonState = enum {
-    AS_START,
-    AS_SELECT,
-    AS_COMMAND,
-    AS_VALUE,
-    AS_REASON_CODE,
-    AS_REASON_TEXT,
-    AS_REALLY_ULTIMATE,
-    AS_SAVE,
-    AS_ERROR,
-    AS_QUIT,
-  };
-
-  struct AutomatonHandelStruct;
-
-  using AutomatonActionHandler =
-      std::function<Command(AutomatonHandelStruct&, AutomatonState)>;
-  using AutomatonNextStateHandler =
-      std::function<AutomatonState(AutomatonState, QString, QString)>;
-
-  struct AutomatonHandelStruct {
-    void SetStatus(AutomatonState next_state) { current_state_ = next_state; }
-    auto CurrentStatus() -> AutomatonState { return current_state_; }
-    void SetHandler(AutomatonNextStateHandler next_state_handler,
-                    AutomatonActionHandler action_handler) {
-      next_state_handler_ = std::move(next_state_handler);
-      action_handler_ = std::move(action_handler);
-    }
-    auto NextState(QString gpg_status, QString args) -> AutomatonState {
-      return next_state_handler_(current_state_, std::move(gpg_status),
-                                 std::move(args));
-    }
-    auto Action() -> Command { return action_handler_(*this, current_state_); }
-
-    void SetSuccess(bool success) { success_ = success; }
-
-    [[nodiscard]] auto Success() const -> bool { return success_; }
-
-    auto KeyFpr() -> QString { return key_fpr_; }
-
-    explicit AutomatonHandelStruct(QString key_fpr)
-        : key_fpr_(std::move(key_fpr)) {}
-
-   private:
-    AutomatonState current_state_ = AS_START;
-    AutomatonNextStateHandler next_state_handler_;
-    AutomatonActionHandler action_handler_;
-    bool success_ = false;
-    QString key_fpr_;
-  };
-
   GpgContext& ctx_ =
       GpgContext::GetInstance(SingletonFunctionObject::GetChannel());  ///<
 };

src/core/function/gpg/GpgUIDOperator.cpp

@@ -29,6 +29,7 @@
 #include "GpgUIDOperator.h"
 
 #include "core/GpgModel.h"
+#include "core/function/gpg/GpgAutomatonHandler.h"
 #include "core/utils/GpgUtils.h"
 
 namespace GpgFrontend {
@@ -42,12 +43,6 @@ auto GpgUIDOperator::AddUID(const GpgKey& key, const QString& uid) -> bool {
   return CheckGpgError(err) == GPG_ERR_NO_ERROR;
 }
 
-auto GpgUIDOperator::RevUID(const GpgKey& key, const QString& uid) -> bool {
-  auto err = CheckGpgError(gpgme_op_revuid(
-      ctx_.DefaultContext(), static_cast<gpgme_key_t>(key), uid.toUtf8(), 0));
-  return CheckGpgError(err) == GPG_ERR_NO_ERROR;
-}
-
 auto GpgUIDOperator::SetPrimaryUID(const GpgKey& key,
                                    const QString& uid) -> bool {
   auto err = CheckGpgError(gpgme_op_set_uid_flag(
@@ -55,6 +50,7 @@ auto GpgUIDOperator::SetPrimaryUID(const GpgKey& key,
       "primary", nullptr));
   return CheckGpgError(err) == GPG_ERR_NO_ERROR;
 }
+
 auto GpgUIDOperator::AddUID(const GpgKey& key, const QString& name,
                             const QString& comment,
                             const QString& email) -> bool {
@@ -62,4 +58,216 @@ auto GpgUIDOperator::AddUID(const GpgKey& key, const QString& name,
   return AddUID(key, QString("%1(%2)<%3>").arg(name).arg(comment).arg(email));
 }
 
+auto GpgUIDOperator::DeleteUID(const GpgKey& key, int uid_index) -> bool {
+  if (uid_index < 2 || uid_index > key.GetUIDs()->size()) {
+    LOG_W() << "illegal uid_index index: " << uid_index;
+    return false;
+  }
+
+  AutomatonNextStateHandler next_state_handler = [](AutomatonState state,
+                                                    QString status,
+                                                    QString args) {
+    auto tokens = args.split(' ');
+
+    switch (state) {
+      case GpgAutomatonHandler::AS_START:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_SELECT;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_SELECT:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_COMMAND;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_COMMAND:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_QUIT;
+        } else if (status == "GET_BOOL" && args == "keyedit.remove.uid.okay") {
+          return GpgAutomatonHandler::AS_REALLY_ULTIMATE;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_QUIT;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_QUIT:
+        if (status == "GET_BOOL" && args == "keyedit.save.okay") {
+          return GpgAutomatonHandler::AS_SAVE;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_ERROR:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_QUIT;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      default:
+        return GpgAutomatonHandler::AS_ERROR;
+    };
+  };
+
+  AutomatonActionHandler action_handler =
+      [uid_index](AutomatonHandelStruct& handler, AutomatonState state) {
+        switch (state) {
+          case GpgAutomatonHandler::AS_SELECT:
+            return QString("uid %1").arg(uid_index);
+          case GpgAutomatonHandler::AS_COMMAND:
+            return QString("deluid");
+          case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
+            handler.SetSuccess(true);
+            return QString("Y");
+          case GpgAutomatonHandler::AS_QUIT:
+            return QString("quit");
+          case GpgAutomatonHandler::AS_SAVE:
+            handler.SetSuccess(true);
+            return QString("Y");
+          case GpgAutomatonHandler::AS_START:
+          case GpgAutomatonHandler::AS_ERROR:
+            return QString("");
+          default:
+            return QString("");
+        }
+        return QString("");
+      };
+
+  auto key_fpr = key.GetFingerprint();
+  AutomatonHandelStruct handel_struct(key_fpr);
+  handel_struct.SetHandler(next_state_handler, action_handler);
+
+  GpgData data_out;
+
+  return GpgAutomatonHandler::GetInstance(GetChannel())
+      .DoInteract(key, next_state_handler, action_handler);
+}
+
+auto GpgUIDOperator::RevokeUID(const GpgKey& key, int uid_index,
+                               int reason_code,
+                               const QString& reason_text) -> bool {
+  if (uid_index < 2 || uid_index > key.GetUIDs()->size()) {
+    LOG_W() << "illegal uid index: " << uid_index;
+    return false;
+  }
+
+  if (reason_code != 0 && reason_code != 4) {
+    LOG_W() << "illegal reason code: " << reason_code;
+    return false;
+  }
+
+  // dealing with reason text
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 4)
+  auto reason_text_lines =
+      GpgFrontend::SecureCreateSharedObject<QList<QString>>(
+          reason_text.split('\n', Qt::SkipEmptyParts).toVector());
+#else
+  auto reason_text_lines =
+      GpgFrontend::SecureCreateSharedObject<QVector<QString>>(
+          reason_text.split('\n', Qt::SkipEmptyParts).toVector());
+#endif
+
+  AutomatonNextStateHandler next_state_handler = [](AutomatonState state,
+                                                    QString status,
+                                                    QString args) {
+    auto tokens = args.split(' ');
+
+    switch (state) {
+      case GpgAutomatonHandler::AS_START:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_SELECT;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_SELECT:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_COMMAND;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_COMMAND:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_QUIT;
+        } else if (status == "GET_BOOL" && args == "keyedit.revoke.uid.okay") {
+          return GpgAutomatonHandler::AS_REALLY_ULTIMATE;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_REASON_CODE:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_QUIT;
+        } else if (status == "GET_LINE" &&
+                   args == "ask_revocation_reason.text") {
+          return GpgAutomatonHandler::AS_REASON_TEXT;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_REASON_TEXT:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_QUIT;
+        } else if (status == "GET_LINE" &&
+                   args == "ask_revocation_reason.text") {
+          return GpgAutomatonHandler::AS_REASON_TEXT;
+        } else if (status == "GET_BOOL" &&
+                   args == "ask_revocation_reason.okay") {
+          return GpgAutomatonHandler::AS_REALLY_ULTIMATE;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_QUIT;
+        } else if (status == "GET_LINE" &&
+                   args == "ask_revocation_reason.code") {
+          return GpgAutomatonHandler::AS_REASON_CODE;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_QUIT:
+        if (status == "GET_BOOL" && args == "keyedit.save.okay") {
+          return GpgAutomatonHandler::AS_SAVE;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      case GpgAutomatonHandler::AS_ERROR:
+        if (status == "GET_LINE" && args == "keyedit.prompt") {
+          return GpgAutomatonHandler::AS_QUIT;
+        }
+        return GpgAutomatonHandler::AS_ERROR;
+      default:
+        return GpgAutomatonHandler::AS_ERROR;
+    };
+  };
+
+  AutomatonActionHandler action_handler =
+      [uid_index, reason_code, reason_text_lines](
+          AutomatonHandelStruct& handler, AutomatonState state) {
+        switch (state) {
+          case GpgAutomatonHandler::AS_SELECT:
+            return QString("uid %1").arg(uid_index);
+          case GpgAutomatonHandler::AS_COMMAND:
+            return QString("revuid");
+          case GpgAutomatonHandler::AS_REASON_CODE:
+            return QString::number(reason_code);
+          case GpgAutomatonHandler::AS_REASON_TEXT:
+            return reason_text_lines->isEmpty()
+                       ? QString("")
+                       : QString(reason_text_lines->takeFirst().toUtf8());
+          case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
+            return QString("Y");
+          case GpgAutomatonHandler::AS_QUIT:
+            return QString("quit");
+          case GpgAutomatonHandler::AS_SAVE:
+            handler.SetSuccess(true);
+            return QString("Y");
+          case GpgAutomatonHandler::AS_START:
+          case GpgAutomatonHandler::AS_ERROR:
+            return QString("");
+          default:
+            return QString("");
+        }
+        return QString("");
+      };
+
+  auto key_fpr = key.GetFingerprint();
+  AutomatonHandelStruct handel_struct(key_fpr);
+  handel_struct.SetHandler(next_state_handler, action_handler);
+
+  GpgData data_out;
+
+  return GpgAutomatonHandler::GetInstance(GetChannel())
+      .DoInteract(key, next_state_handler, action_handler);
+}
+
 }  // namespace GpgFrontend

src/core/function/gpg/GpgUIDOperator.h

@@ -67,12 +67,27 @@ class GPGFRONTEND_CORE_EXPORT GpgUIDOperator
               const QString& email) -> bool;
 
   /**
-   * Revoke(Delete) UID from certain key pair
+   * @brief
-   * @param key target key pair
+   *
-   * @param uid target uid
+   * @param key
-   * @return if successful
+   * @param uid_index
+   * @return true
+   * @return false
    */
-  auto RevUID(const GpgKey& key, const QString& uid) -> bool;
+  auto DeleteUID(const GpgKey& key, int uid_index) -> bool;
+
+  /**
+   * @brief
+   *
+   * @param key
+   * @param uid_index
+   * @param reason_code
+   * @param reason_text
+   * @return true
+   * @return false
+   */
+  auto RevokeUID(const GpgKey& key, int uid_index, int reason_code,
+                 const QString& reason_text) -> bool;
 
   /**
    * Set one of a uid of a key pair as primary

src/test/core/GpgCoreTestKeyManagement.cpp

@@ -35,7 +35,7 @@
 #include "core/model/GpgImportInformation.h"
 #include "core/utils/GpgUtils.h"
 
-const char *TEST_PRIVATE_KEY_DATA = R"(
+static const char *test_private_key_data = R"(
 -----BEGIN PGP PRIVATE KEY BLOCK-----
 
 lQOYBGcSdI8BCACwi1n2Bx1v6qmQxRgrONYlmzKrSBvNyoSOdAVcTJDXYjdlNFCq
@@ -110,7 +110,7 @@ namespace GpgFrontend::Test {
 
 TEST_F(GpgCoreTest, CoreDeleteSubkeyTestA) {
   auto info = GpgKeyImportExporter::GetInstance().ImportKey(
-      GFBuffer(QString::fromLatin1(TEST_PRIVATE_KEY_DATA)));
+      GFBuffer(QString::fromLatin1(test_private_key_data)));
 
   ASSERT_EQ(info->not_imported, 0);
   ASSERT_EQ(info->imported, 1);
@@ -143,7 +143,7 @@ TEST_F(GpgCoreTest, CoreDeleteSubkeyTestA) {
 
 TEST_F(GpgCoreTest, CoreSetOwnerTrustA) {
   auto info = GpgKeyImportExporter::GetInstance().ImportKey(
-      GFBuffer(QString::fromLatin1(TEST_PRIVATE_KEY_DATA)));
+      GFBuffer(QString::fromLatin1(test_private_key_data)));
 
   ASSERT_EQ(info->not_imported, 0);
   ASSERT_EQ(info->imported, 1);
@@ -217,7 +217,7 @@ TEST_F(GpgCoreTest, CoreSetOwnerTrustA) {
 
 TEST_F(GpgCoreTest, CoreRevokeSubkeyTestA) {
   auto info = GpgKeyImportExporter::GetInstance().ImportKey(
-      GFBuffer(QString::fromLatin1(TEST_PRIVATE_KEY_DATA)));
+      GFBuffer(QString::fromLatin1(test_private_key_data)));
 
   ASSERT_EQ(info->not_imported, 0);
   ASSERT_EQ(info->imported, 1);

src/test/core/GpgCoreTestKeyUIDOpera.cpp

@@ -0,0 +1,136 @@
+/**
+ * Copyright (C) 2021-2024 Saturneric <eric@bktus.com>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <eric@bktus.com> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "GpgCoreTest.h"
+#include "core/GpgConstants.h"
+#include "core/function/gpg/GpgKeyGetter.h"
+#include "core/function/gpg/GpgKeyImportExporter.h"
+#include "core/function/gpg/GpgKeyOpera.h"
+#include "core/function/gpg/GpgUIDOperator.h"
+#include "core/model/GpgImportInformation.h"
+#include "core/utils/GpgUtils.h"
+
+static const char *test_private_key_data = R"(
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+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==
+=4Hms
+-----END PGP PRIVATE KEY BLOCK-----
+)";
+
+namespace GpgFrontend::Test {
+
+TEST_F(GpgCoreTest, CoreDeleteUIDTestA) {
+  auto info = GpgKeyImportExporter::GetInstance().ImportKey(
+      GFBuffer(QString::fromLatin1(test_private_key_data)));
+
+  ASSERT_EQ(info->not_imported, 0);
+  ASSERT_EQ(info->imported, 1);
+
+  auto key = GpgKeyGetter::GetInstance(kGpgFrontendDefaultChannel)
+                 .GetKey("F2D8DFA5F109DE47");
+  ASSERT_TRUE(key.IsGood());
+
+  auto uids = key.GetUIDs();
+
+  ASSERT_EQ(uids->size(), 4);
+  ASSERT_EQ((*uids)[2].GetUID(), "gggggg(ggggg)<ggggg@ggg.ggg>");
+
+  auto res = GpgUIDOperator::GetInstance().DeleteUID(key, 3);
+
+  ASSERT_TRUE(res);
+
+  GpgKeyGetter::GetInstance().FlushKeyCache();
+  key = GpgKeyGetter::GetInstance(kGpgFrontendDefaultChannel)
+            .GetKey("F2D8DFA5F109DE47");
+  ASSERT_TRUE(key.IsGood());
+
+  uids = key.GetUIDs();
+
+  ASSERT_EQ(uids->size(), 3);
+  ASSERT_EQ((*uids)[2].GetUID(), "hhhhhh(hhhhhhh)<hhhhh@hhhh.hhhh>");
+
+  GpgKeyOpera::GetInstance().DeleteKey(key.GetId());
+  GpgKeyGetter::GetInstance().FlushKeyCache();
+}
+
+TEST_F(GpgCoreTest, CoreRevokeUIDTestA) {
+  GpgKeyGetter::GetInstance().FlushKeyCache();
+  auto info = GpgKeyImportExporter::GetInstance().ImportKey(
+      GFBuffer(QString::fromLatin1(test_private_key_data)));
+
+  ASSERT_EQ(info->not_imported, 0);
+  ASSERT_EQ(info->imported, 1);
+
+  auto key = GpgKeyGetter::GetInstance(kGpgFrontendDefaultChannel)
+                 .GetKey("F2D8DFA5F109DE47");
+  ASSERT_TRUE(key.IsGood());
+
+  auto uids = key.GetUIDs();
+
+  ASSERT_EQ(uids->size(), 4);
+  ASSERT_EQ((*uids)[2].GetUID(), "gggggg(ggggg)<ggggg@ggg.ggg>");
+
+  auto res = GpgUIDOperator::GetInstance().RevokeUID(
+      key, 3, 4, "H\nEEEEEL\n\n\n\nL   \n0\n");
+
+  ASSERT_TRUE(res);
+
+  GpgKeyGetter::GetInstance().FlushKeyCache();
+  key = GpgKeyGetter::GetInstance(kGpgFrontendDefaultChannel)
+            .GetKey("F2D8DFA5F109DE47");
+  ASSERT_TRUE(key.IsGood());
+
+  uids = key.GetUIDs();
+
+  ASSERT_EQ(uids->size(), 4);
+  ASSERT_EQ((*uids)[2].GetUID(), "gggggg(ggggg)<ggggg@ggg.ggg>");
+  ASSERT_TRUE((*uids)[2].GetRevoked());
+
+  GpgKeyOpera::GetInstance().DeleteKey(key.GetId());
+  GpgKeyGetter::GetInstance().FlushKeyCache();
+}
+
+}  // namespace GpgFrontend::Test

src/ui/dialog/RevocationOptionsDialog.cpp

@@ -32,16 +32,11 @@
 #include "ui_RevocationOptionsDialog.h"
 
 GpgFrontend::UI::RevocationOptionsDialog::RevocationOptionsDialog(
-    QWidget *parent)
+    const QStringList& codes, QWidget* parent)
     : GeneralDialog("RevocationOptionsDialog", parent),
       ui_(GpgFrontend::SecureCreateSharedObject<Ui_RevocationOptionsDialog>()) {
   ui_->setupUi(this);
 
-  QStringList codes;
-
-  codes << tr("0 -> No Reason.") << tr("1 -> This key is no more safe.")
-        << tr("2 -> Key is outdated.") << tr("3 -> Key is no longer used");
-
   ui_->rRcodeComboBox->addItems(codes);
 
   ui_->revocationReasonCodeLabel->setText(tr("Revocation Reason (Code)"));

src/ui/dialog/RevocationOptionsDialog.h

@@ -36,7 +36,7 @@ namespace GpgFrontend::UI {
 class RevocationOptionsDialog : public GeneralDialog {
   Q_OBJECT
  public:
-  explicit RevocationOptionsDialog(QWidget *parent);
+  explicit RevocationOptionsDialog(const QStringList& codes, QWidget* parent);
 
   [[nodiscard]] auto Code() const -> int;
 

src/ui/dialog/keypair_details/KeyPairOperaTab.cpp

@@ -463,7 +463,10 @@ void KeyPairOperaTab::slot_update_key_from_server() {
 }
 
 void KeyPairOperaTab::slot_gen_revoke_cert() {
-  auto* revocation_options_dialog = new RevocationOptionsDialog(this);
+  QStringList codes;
+  codes << tr("0 -> No Reason.") << tr("1 -> This key is no more safe.")
+        << tr("2 -> Key is outdated.") << tr("3 -> Key is no longer used");
+  auto* revocation_options_dialog = new RevocationOptionsDialog(codes, this);
 
   connect(revocation_options_dialog,
           &RevocationOptionsDialog::SignalRevokeOptionAccepted, this,

src/ui/dialog/keypair_details/KeyPairSubkeyTab.cpp

@@ -520,7 +520,7 @@ void KeyPairSubkeyTab::slot_revoke_subkey() {
   const auto subkeys = key_.GetSubKeys();
 
   QString message = tr("<h3>Revoke Subkey Confirmation</h3><br />"
-                       "<b>KeyID:</b> %1<br />2<br />"
+                       "<b>KeyID:</b> %1<br /><br />"
                        "Revoking a subkey will make it permanently unusable. "
                        "This action is <b>irreversible</b>.<br />"
                        "Are you sure you want to revoke this subkey?")
@@ -547,7 +547,10 @@ void KeyPairSubkeyTab::slot_revoke_subkey() {
     return;
   }
 
-  auto* revocation_options_dialog = new RevocationOptionsDialog(this);
+  QStringList codes;
+  codes << tr("0 -> No Reason.") << tr("1 -> This key is no more safe.")
+        << tr("2 -> Key is outdated.") << tr("3 -> Key is no longer used");
+  auto* revocation_options_dialog = new RevocationOptionsDialog(codes, this);
 
   connect(revocation_options_dialog,
           &RevocationOptionsDialog::SignalRevokeOptionAccepted, this,

src/ui/dialog/keypair_details/KeyPairUIDTab.cpp

@@ -33,6 +33,9 @@
 #include "core/function/gpg/GpgKeyManager.h"
 #include "core/function/gpg/GpgUIDOperator.h"
 #include "ui/UISignalStation.h"
+#include "ui/dialog/RevocationOptionsDialog.h"
+#include "ui/dialog/keypair_details/KeyNewUIDDialog.h"
+#include "ui/dialog/keypair_details/KeyUIDSignDialog.h"
 #include "ui/widgets/TOFUInfoPage.h"
 
 namespace GpgFrontend::UI {
@@ -47,24 +50,17 @@ KeyPairUIDTab::KeyPairUIDTab(int channel, const QString& key_id,
 
   create_uid_list();
   create_sign_list();
-  create_manage_uid_menu();
   create_uid_popup_menu();
   create_sign_popup_menu();
 
-  auto* uid_buttons_layout = new QGridLayout();
+  auto* uid_buttons_layout = new QHBoxLayout();
 
   auto* add_uid_button = new QPushButton(tr("New UID"));
-  auto* manage_uid_button = new QPushButton(tr("UID Management"));
 
-  if (m_key_.IsHasMasterKey()) {
+  if (!m_key_.IsHasMasterKey()) {
-    manage_uid_button->setMenu(manage_selected_uid_menu_);
-  } else {
     add_uid_button->setDisabled(true);
-    manage_uid_button->setDisabled(true);
   }
-
+  uid_buttons_layout->addWidget(add_uid_button);
-  uid_buttons_layout->addWidget(add_uid_button, 0, 1);
-  uid_buttons_layout->addWidget(manage_uid_button, 0, 2);
 
   auto* grid_layout = new QGridLayout();
 
@@ -200,14 +196,12 @@ void KeyPairUIDTab::slot_refresh_uid_list() {
     auto* tmp2 = new QTableWidgetItem(uid.GetComment());
     uid_list_->setItem(row, 3, tmp2);
 
-    auto* tmp3 = new QTableWidgetItem(QString::number(row));
+    auto* tmp3 = new QTableWidgetItem(QString::number(row + 1));
-    tmp3->setFlags(Qt::ItemIsUserCheckable | Qt::ItemIsEnabled |
+    tmp3->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
-                   Qt::ItemIsSelectable);
     tmp3->setTextAlignment(Qt::AlignCenter);
-    tmp3->setCheckState(Qt::Unchecked);
     uid_list_->setItem(row, 0, tmp3);
 
-    if (!row) {
+    if (row == 0) {
       for (auto i = 0; i < uid_list_->columnCount(); i++) {
         uid_list_->item(row, i)->setForeground(QColor(65, 105, 255));
       }
@@ -304,45 +298,13 @@ void KeyPairUIDTab::slot_refresh_sig_list() {
 }
 
 void KeyPairUIDTab::slot_add_sign() {
-  auto selected_uids = get_uid_checked();
+  const auto& target_uid = get_selected_uid();
-
-  if (selected_uids->empty()) {
-    QMessageBox::information(
-        nullptr, tr("Invalid Operation"),
-        tr("Please select one or more UIDs before doing this operation."));
-    return;
-  }
 
   auto* key_sign_dialog = new KeyUIDSignDialog(
-      current_gpg_context_channel_, m_key_, std::move(selected_uids), this);
+      current_gpg_context_channel_, m_key_, target_uid.GetUID(), this);
   key_sign_dialog->show();
 }
 
-auto KeyPairUIDTab::get_uid_checked() -> UIDArgsListPtr {
-  auto selected_uids = std::make_unique<UIDArgsList>();
-  for (int i = 0; i < uid_list_->rowCount(); i++) {
-    if (uid_list_->item(i, 0)->checkState() == Qt::Checked) {
-      selected_uids->push_back(buffered_uids_[i].GetUID());
-    }
-  }
-  return selected_uids;
-}
-
-void KeyPairUIDTab::create_manage_uid_menu() {
-  manage_selected_uid_menu_ = new QMenu(this);
-
-  auto* sign_uid_act = new QAction(tr("Sign Selected UID(s)"), this);
-  connect(sign_uid_act, &QAction::triggered, this,
-          &KeyPairUIDTab::slot_add_sign);
-  auto* del_uid_act = new QAction(tr("Delete Selected UID(s)"), this);
-  connect(del_uid_act, &QAction::triggered, this, &KeyPairUIDTab::slot_del_uid);
-
-  if (m_key_.IsHasMasterKey()) {
-    manage_selected_uid_menu_->addAction(sign_uid_act);
-    manage_selected_uid_menu_->addAction(del_uid_act);
-  }
-}
-
 void KeyPairUIDTab::slot_add_uid() {
   auto* key_new_uid_dialog =
       new KeyNewUIDDialog(current_gpg_context_channel_, m_key_.GetId(), this);
@@ -364,57 +326,58 @@ void KeyPairUIDTab::slot_add_uid_result(int result) {
 }
 
 void KeyPairUIDTab::slot_del_uid() {
-  auto selected_uids = get_uid_checked();
+  const auto& target_uid = get_selected_uid();
 
-  if (selected_uids->empty()) {
+  auto keynames = QString();
-    QMessageBox::information(
+
-        nullptr, tr("Invalid Operation"),
+  keynames.append(target_uid.GetUID().toHtmlEscaped());
-        tr("Please select one or more UIDs before doing this operation."));
+  keynames.append("<br/>");
-    return;
+
+  int index = 1;
+  for (const auto& uid : buffered_uids_) {
+    if (uid.GetUID() == target_uid.GetUID()) {
+      break;
+    }
+    index++;
   }
 
-  QString keynames;
+  if (index == 1) {
-  for (auto& uid : *selected_uids) {
+    QMessageBox::information(nullptr, tr("Invalid Operation"),
-    keynames.append(uid);
+                             tr("Cannot delete the Primary UID."));
-    keynames.append("<br/>");
+    return;
   }
 
   int ret = QMessageBox::warning(
       this, tr("Deleting UIDs"),
       "<b>" +
           QString(
-              tr("Are you sure that you want to delete the following UIDs?")) +
+              tr("Are you sure that you want to delete the following UID?")) +
-          "</b><br/><br/>" + keynames + +"<br/>" +
+          "</b><br/><br/>" + target_uid.GetUID().toHtmlEscaped() + +"<br/>" +
           tr("The action can not be undone."),
       QMessageBox::No | QMessageBox::Yes);
 
   if (ret == QMessageBox::Yes) {
-    for (const auto& uid : *selected_uids) {
+    if (!GpgUIDOperator::GetInstance(current_gpg_context_channel_)
-      if (!GpgUIDOperator::GetInstance(current_gpg_context_channel_)
+             .DeleteUID(m_key_, index)) {
-               .RevUID(m_key_, uid)) {
+      QMessageBox::critical(
-        QMessageBox::critical(
+          nullptr, tr("Operation Failed"),
-            nullptr, tr("Operation Failed"),
+          tr("An error occurred during the delete %1 operation.")
-            tr("An error occurred during the delete %1 operation.").arg(uid));
+              .arg(target_uid.GetUID().toHtmlEscaped()));
-      }
     }
     emit SignalUpdateUIDInfo();
   }
 }
 
 void KeyPairUIDTab::slot_set_primary_uid() {
-  auto selected_uids = get_uid_selected();
+  const auto& target_uid = get_selected_uid();
 
-  if (selected_uids->empty()) {
+  if (target_uid.GetUID() == buffered_uids_.front().GetUID()) {
-    auto* empty_uid_msg = new QMessageBox();
-    empty_uid_msg->setText(
-        "Please select one UID before doing this operation.");
-    empty_uid_msg->exec();
     return;
   }
 
   QString keynames;
 
-  keynames.append(selected_uids->front());
+  keynames.append(target_uid.GetUID().toHtmlEscaped());
   keynames.append("<br/>");
 
   int ret = QMessageBox::warning(
@@ -424,25 +387,15 @@ void KeyPairUIDTab::slot_set_primary_uid() {
           tr("The action can not be undone."),
       QMessageBox::No | QMessageBox::Yes);
 
-  if (ret == QMessageBox::Yes) {
+  if (ret != QMessageBox::Yes) return;
-    if (!GpgUIDOperator::GetInstance(current_gpg_context_channel_)
-             .SetPrimaryUID(m_key_, selected_uids->front())) {
-      QMessageBox::critical(nullptr, tr("Operation Failed"),
-                            tr("An error occurred during the operation."));
-    } else {
-      emit SignalUpdateUIDInfo();
-    }
-  }
-}
 
-auto KeyPairUIDTab::get_uid_selected() -> UIDArgsListPtr {
+  if (!GpgUIDOperator::GetInstance(current_gpg_context_channel_)
-  auto uids = std::make_unique<UIDArgsList>();
+           .SetPrimaryUID(m_key_, target_uid.GetUID())) {
-  for (int i = 0; i < uid_list_->rowCount(); i++) {
+    QMessageBox::critical(nullptr, tr("Operation Failed"),
-    if (uid_list_->item(i, 0)->isSelected()) {
+                          tr("An error occurred during the operation."));
-      uids->push_back(buffered_uids_[i].GetUID());
+  } else {
-    }
+    emit SignalUpdateUIDInfo();
   }
-  return uids;
 }
 
 auto KeyPairUIDTab::get_sign_selected() -> SignIdArgsListPtr {
@@ -459,79 +412,48 @@ auto KeyPairUIDTab::get_sign_selected() -> SignIdArgsListPtr {
 void KeyPairUIDTab::create_uid_popup_menu() {
   uid_popup_menu_ = new QMenu(this);
 
-  auto* ser_primary_uid_act = new QAction(tr("Set As Primary"), this);
+  set_primary_uid_act_ = new QAction(tr("Set As Primary"), this);
-  connect(ser_primary_uid_act, &QAction::triggered, this,
+  connect(set_primary_uid_act_, &QAction::triggered, this,
           &KeyPairUIDTab::slot_set_primary_uid);
-  auto* sign_uid_act = new QAction(tr("Sign UID"), this);
+  sign_uid_act_ = new QAction(tr("Sign UID"), this);
-  connect(sign_uid_act, &QAction::triggered, this,
+  connect(sign_uid_act_, &QAction::triggered, this,
           &KeyPairUIDTab::slot_add_sign_single);
-  auto* del_uid_act = new QAction(tr("Delete UID"), this);
+  rev_uid_act_ = new QAction(tr("Revoke UID"), this);
-  connect(del_uid_act, &QAction::triggered, this,
+  connect(rev_uid_act_, &QAction::triggered, this,
-          &KeyPairUIDTab::slot_del_uid_single);
+          &KeyPairUIDTab::slot_rev_uid);
+  del_uid_act_ = new QAction(tr("Delete UID"), this);
+  connect(del_uid_act_, &QAction::triggered, this,
+          &KeyPairUIDTab::slot_del_uid);
 
   if (m_key_.IsHasMasterKey()) {
-    uid_popup_menu_->addAction(ser_primary_uid_act);
+    uid_popup_menu_->addAction(set_primary_uid_act_);
-    uid_popup_menu_->addAction(sign_uid_act);
+    uid_popup_menu_->addAction(sign_uid_act_);
-    uid_popup_menu_->addAction(del_uid_act);
+    uid_popup_menu_->addAction(rev_uid_act_);
+    uid_popup_menu_->addAction(del_uid_act_);
   }
 }
 
 void KeyPairUIDTab::contextMenuEvent(QContextMenuEvent* event) {
   if (uid_list_->selectedItems().length() > 0 &&
       sig_list_->selectedItems().isEmpty()) {
+    auto is_primary_uid =
+        get_selected_uid().GetUID() == buffered_uids_.front().GetUID();
+    set_primary_uid_act_->setDisabled(is_primary_uid);
+    rev_uid_act_->setDisabled(is_primary_uid);
+    del_uid_act_->setDisabled(is_primary_uid);
+
     uid_popup_menu_->exec(event->globalPos());
   }
 }
 
 void KeyPairUIDTab::slot_add_sign_single() {
-  auto selected_uids = get_uid_selected();
+  const auto& target_uid = get_selected_uid();
-
-  if (selected_uids->empty()) {
-    QMessageBox::information(
-        nullptr, tr("Invalid Operation"),
-        tr("Please select one UID before doing this operation."));
-    return;
-  }
 
   auto* key_sign_dialog = new KeyUIDSignDialog(
-      current_gpg_context_channel_, m_key_, std::move(selected_uids), this);
+      current_gpg_context_channel_, m_key_, target_uid.GetUID(), this);
   key_sign_dialog->show();
 }
 
-void KeyPairUIDTab::slot_del_uid_single() {
-  auto selected_uids = get_uid_selected();
-  if (selected_uids->empty()) {
-    QMessageBox::information(
-        nullptr, tr("Invalid Operation"),
-        tr("Please select one UID before doing this operation."));
-    return;
-  }
-
-  QString keynames;
-
-  keynames.append(selected_uids->front());
-  keynames.append("<br/>");
-
-  int ret = QMessageBox::warning(
-      this, tr("Deleting UID"),
-      "<b>" +
-          QString(
-              tr("Are you sure that you want to delete the following uid?")) +
-          "</b><br/><br/>" + keynames + +"<br/>" +
-          tr("The action can not be undone."),
-      QMessageBox::No | QMessageBox::Yes);
-
-  if (ret == QMessageBox::Yes) {
-    if (!GpgUIDOperator::GetInstance(current_gpg_context_channel_)
-             .RevUID(m_key_, selected_uids->front())) {
-      QMessageBox::critical(nullptr, tr("Operation Failed"),
-                            tr("An error occurred during the operation."));
-    } else {
-      emit SignalUpdateUIDInfo();
-    }
-  }
-}
-
 void KeyPairUIDTab::create_sign_popup_menu() {
   sign_popup_menu_ = new QMenu(this);
 
@@ -595,4 +517,78 @@ void KeyPairUIDTab::slot_refresh_key() {
   this->slot_refresh_sig_list();
 }
 
+void KeyPairUIDTab::slot_rev_uid() {
+  const auto& target_uid = get_selected_uid();
+
+  if (target_uid.GetUID() == buffered_uids_.front().GetUID()) {
+    QMessageBox::information(
+        nullptr, tr("Invalid Operation"),
+        tr("Please select one UID before doing this operation."));
+    return;
+  }
+
+  const auto uids = m_key_.GetUIDs();
+
+  QString message = tr("<h3>Revoke UID Confirmation</h3><br />"
+                       "<b>UID:</b> %1<br /><br />"
+                       "Revoking a UID will make it permanently unusable. "
+                       "This action is <b>irreversible</b>.<br />"
+                       "Are you sure you want to revoke this UID?")
+                        .arg(target_uid.GetUID().toHtmlEscaped());
+
+  int ret = QMessageBox::warning(this, tr("Revoke UID"), message,
+                                 QMessageBox::Cancel | QMessageBox::Yes,
+                                 QMessageBox::Cancel);
+
+  if (ret != QMessageBox::Yes) return;
+
+  int index = 1;
+  for (const auto& uid : buffered_uids_) {
+    if (uid.GetUID() == target_uid.GetUID()) {
+      break;
+    }
+    index++;
+  }
+
+  if (index == 1) {
+    QMessageBox::information(nullptr, tr("Invalid Operation"),
+                             tr("Cannot delete the Primary UID."));
+    return;
+  }
+
+  QStringList codes;
+  codes << tr("0 -> No Reason.") << tr("4 -> User ID is no longer valid.");
+  auto* revocation_options_dialog = new RevocationOptionsDialog(codes, this);
+
+  connect(revocation_options_dialog,
+          &RevocationOptionsDialog::SignalRevokeOptionAccepted, this,
+          [key = m_key_, index, channel = current_gpg_context_channel_, this](
+              int code, const QString& text) {
+            auto res = GpgUIDOperator::GetInstance(channel).RevokeUID(
+                key, index, code == 1 ? 4 : 0, text);
+            if (!res) {
+              QMessageBox::critical(
+                  nullptr, tr("Revocation Failed"),
+                  tr("Failed to revoke the UID. Please try again."));
+            } else {
+              QMessageBox::information(
+                  nullptr, tr("Revocation Successful"),
+                  tr("The UID has been successfully revoked."));
+              emit SignalUpdateUIDInfo();
+            }
+          });
+
+  revocation_options_dialog->show();
+}
+
+auto KeyPairUIDTab::get_selected_uid() -> const GpgUID& {
+  int row = 0;
+
+  for (int i = 0; i < uid_list_->rowCount(); i++) {
+    if (uid_list_->item(row, 0)->isSelected()) break;
+    row++;
+  }
+
+  return buffered_uids_[row];
+}
 }  // namespace GpgFrontend::UI

src/ui/dialog/keypair_details/KeyPairUIDTab.h

@@ -28,9 +28,7 @@
 
 #pragma once
 
-#include "KeyNewUIDDialog.h"
+#include "core/GpgModel.h"
-#include "KeyUIDSignDialog.h"
-#include "core/function/gpg/GpgContext.h"
 #include "ui/GpgFrontendUI.h"
 
 namespace GpgFrontend::UI {
@@ -55,68 +53,13 @@ class KeyPairUIDTab : public QWidget {
    */
   void SignalUpdateUIDInfo();
 
- private:
+ protected:
-  int current_gpg_context_channel_;
-  GpgKey m_key_;
-  QTableWidget* uid_list_{};                          ///<
-  QTableWidget* sig_list_{};                          ///<
-  QTabWidget* tofu_tabs_{};                           ///<
-  QMenu* manage_selected_uid_menu_{};                 ///<
-  QMenu* uid_popup_menu_{};                           ///<
-  QMenu* sign_popup_menu_{};                          ///<
-  std::vector<GpgUID> buffered_uids_;                 ///<
-  std::vector<GpgKeySignature> buffered_signatures_;  ///<
-
   /**
-   * @brief Create a uid list object
+   * @brief
    *
+   * @param event
    */
-  void create_uid_list();
+  void contextMenuEvent(QContextMenuEvent* event) override;
-
-  /**
-   * @brief Create a sign list object
-   *
-   */
-  void create_sign_list();
-
-  /**
-   * @brief Create a manage uid menu object
-   *
-   */
-  void create_manage_uid_menu();
-
-  /**
-   * @brief Create a uid popup menu object
-   *
-   */
-  void create_uid_popup_menu();
-
-  /**
-   * @brief Create a sign popup menu object
-   *
-   */
-  void create_sign_popup_menu();
-
-  /**
-   * @brief Get the uid checked object
-   *
-   * @return UIDArgsListPtr
-   */
-  UIDArgsListPtr get_uid_checked();
-
-  /**
-   * @brief Get the uid selected object
-   *
-   * @return UIDArgsListPtr
-   */
-  UIDArgsListPtr get_uid_selected();
-
-  /**
-   * @brief Get the sign selected object
-   *
-   * @return SignIdArgsListPtr
-   */
-  SignIdArgsListPtr get_sign_selected();
 
  private slots:
 
@@ -166,7 +109,7 @@ class KeyPairUIDTab : public QWidget {
    * @brief
    *
    */
-  void slot_del_uid_single();
+  void slot_rev_uid();
 
   /**
    * @brief
@@ -193,13 +136,59 @@ class KeyPairUIDTab : public QWidget {
    */
   static void slot_add_uid_result(int result);
 
- protected:
+ private:
+  int current_gpg_context_channel_;
+  GpgKey m_key_;
+  QTableWidget* uid_list_{};                          ///<
+  QTableWidget* sig_list_{};                          ///<
+  QTabWidget* tofu_tabs_{};                           ///<
+  QMenu* uid_popup_menu_{};                           ///<
+  QMenu* sign_popup_menu_{};                          ///<
+  std::vector<GpgUID> buffered_uids_;                 ///<
+  std::vector<GpgKeySignature> buffered_signatures_;  ///<
+
+  QAction* set_primary_uid_act_;
+  QAction* sign_uid_act_;
+  QAction* rev_uid_act_;
+  QAction* del_uid_act_;
+
   /**
-   * @brief
+   * @brief Create a uid list object
    *
-   * @param event
    */
-  void contextMenuEvent(QContextMenuEvent* event) override;
+  void create_uid_list();
+
+  /**
+   * @brief Create a sign list object
+   *
+   */
+  void create_sign_list();
+
+  /**
+   * @brief Create a uid popup menu object
+   *
+   */
+  void create_uid_popup_menu();
+
+  /**
+   * @brief Create a sign popup menu object
+   *
+   */
+  void create_sign_popup_menu();
+
+  /**
+   * @brief Get the sign selected object
+   *
+   * @return SignIdArgsListPtr
+   */
+  auto get_sign_selected() -> SignIdArgsListPtr;
+
+  /**
+   * @brief Get the sign selected object
+   *
+   * @return SignIdArgsListPtr
+   */
+  auto get_selected_uid() -> const GpgUID&;
 };
 
 }  // namespace GpgFrontend::UI

src/ui/dialog/keypair_details/KeyUIDSignDialog.cpp

@@ -36,10 +36,10 @@
 namespace GpgFrontend::UI {
 
 KeyUIDSignDialog::KeyUIDSignDialog(int channel, const GpgKey& key,
-                                   UIDArgsListPtr uid, QWidget* parent)
+                                   const QString& uid, QWidget* parent)
     : GeneralDialog(typeid(KeyUIDSignDialog).name(), parent),
       current_gpg_context_channel_(channel),
-      m_uids_(std::move(uid)),
+      m_uid_(uid),
       m_key_(key) {
   assert(m_key_.IsGood());
 
@@ -114,14 +114,12 @@ void KeyUIDSignDialog::slot_sign_key(bool clicked) {
 
   auto expires = std::make_unique<QDateTime>(expires_edit_->dateTime());
 
-  for (const auto& uid : *m_uids_) {
+  // Sign For mKey
-    // Sign For mKey
+  if (!GpgKeyManager::GetInstance(current_gpg_context_channel_)
-    if (!GpgKeyManager::GetInstance(current_gpg_context_channel_)
+           .SignKey(m_key_, *keys, m_uid_, expires)) {
-             .SignKey(m_key_, *keys, uid, expires)) {
+    QMessageBox::critical(
-      QMessageBox::critical(
+        nullptr, tr("Unsuccessful Operation"),
-          nullptr, tr("Unsuccessful Operation"),
+        tr("Signature operation failed for UID %1").arg(m_uid_));
-          tr("Signature operation failed for UID %1").arg(uid));
-    }
   }
 
   QMessageBox::information(

src/ui/dialog/keypair_details/KeyUIDSignDialog.h

@@ -45,7 +45,7 @@ class KeyUIDSignDialog : public GeneralDialog {
    * @param uid
    * @param parent
    */
-  explicit KeyUIDSignDialog(int channel, const GpgKey& key, UIDArgsListPtr uid,
+  explicit KeyUIDSignDialog(int channel, const GpgKey& key, const QString& uid,
                             QWidget* parent = nullptr);
 
  signals:
@@ -61,7 +61,7 @@ class KeyUIDSignDialog : public GeneralDialog {
   QPushButton* sign_key_button_;  ///<
   QDateTimeEdit* expires_edit_;   ///<
   QCheckBox* non_expire_check_;   ///<
-  UIDArgsListPtr m_uids_;         ///<
+  QString m_uid_;                 ///<
 
   const GpgKey& m_key_;  ///<
 

src/ui/main_window/MainWindow.h

@@ -425,7 +425,7 @@ class MainWindow : public GeneralMainWindow {
    * @details Disable tab related actions, if number of tabs is 0.
    * @param number number of the opened tabs and -1, if no tab is opened
    */
-  void slot_switch_menu_control_mode(int number);
+  void slot_switch_menu_control_mode(int);
 
   /**
    * @details called when need to upgrade.