fix: fix some issues

1. fix crash when keyserver list is empty.
2. refactor KeyServerImportDialog
3. reduce header file including

1 files changed, 64 insertions, 0 deletions

diff --git a/src/ui/thread/KeyServerImportTask.cpp b/src/ui/thread/KeyServerImportTask.cpp
new file mode 100644
index 00000000..bf3e1822
--- /dev/null
+++ b/src/ui/thread/KeyServerImportTask.cpp
@@ -0,0 +1,64 @@
+/**
+ * Copyright (C) 2021 Saturneric
+ *
+ * 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.
+ *
+ * The source code version of this software was modified and released
+ * by Saturneric<[email protected]><[email protected]> starting on May 12, 2021.
+ *
+ */
+
+#include "ui/thread/KeyServerImportTask.h"
+
+#include <vector>
+
+GpgFrontend::UI::KeyServerImportTask::KeyServerImportTask(
+    std::string keyserver_url, std::vector<std::string> keyids)
+    : keyserver_url_(std::move(keyserver_url)),
+      keyids_(std::move(keyids)),
+      manager_(new QNetworkAccessManager(this)) {}
+
+void GpgFrontend::UI::KeyServerImportTask::run() {
+  SetFinishAfterRun(false);
+
+  QUrl keyserver_url = QUrl(keyserver_url_.c_str());
+  for (const auto& key_id : keyids_) {
+    QUrl req_url(keyserver_url.scheme() + "://" + keyserver_url.host() +
+                 "/pks/lookup?op=get&search=0x" + key_id.c_str() +
+                 "&options=mr");
+
+    reply_ = manager_->get(QNetworkRequest(req_url));
+
+    connect(reply_, &QNetworkReply::finished, this,
+            &KeyServerImportTask::dealing_reply_from_server);
+  }
+}
+
+void GpgFrontend::UI::KeyServerImportTask::dealing_reply_from_server() {
+  QByteArray buffer;
+  QNetworkReply::NetworkError network_reply = reply_->error();
+  if (network_reply == QNetworkReply::NoError) {
+    buffer = reply_->readAll();
+  }
+  emit SignalKeyServerImportResult(network_reply, buffer);
+
+  if (result_count_++ == keyids_.size() - 1) {
+    emit SignalTaskFinished();
+  }
+}
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