5 files changed, 156 insertions, 1 deletions

diff --git a/src/core/utils/BuildInfoUtils.cpp b/src/core/utils/BuildInfoUtils.cpp
new file mode 100644
index 00000000..a7d914ef
--- /dev/null
+++ b/src/core/utils/BuildInfoUtils.cpp
@@ -0,0 +1,26 @@
+
+#include "BuildInfoUtils.h"
+
+#include "GpgFrontendBuildInfo.h"
+
+namespace GpgFrontend {
+
+auto GetProjectVersion() -> QString {
+  return QString("v") + VERSION_MAJOR + "." + VERSION_MINOR + "." +
+         VERSION_PATCH;
+}
+
+auto GetProjectBuildVersion() -> QString { return BUILD_VERSION; }
+
+auto GetProjectBuildTimestamp() -> QDateTime {
+  return QDateTime::fromString(BUILD_TIMESTAMP, Qt::ISODate);
+}
+
+auto GetProjectBuildGitBranchName() -> QString { return GIT_BRANCH_NAME; }
+
+auto GetProjectBuildGitCommitHash() -> QString { return GIT_COMMIT_HASH; }
+
+auto GetProjectBuildGitVersion() -> QString { return GIT_VERSION; }
+
+auto GetHttpRequestUserAgent() -> QString { return HTTP_REQUEST_USER_AGENT; }
+};  // namespace GpgFrontend
\ No newline at end of file
diff --git a/src/core/utils/BuildInfoUtils.h b/src/core/utils/BuildInfoUtils.h
new file mode 100644
index 00000000..bac5d8a5
--- /dev/null
+++ b/src/core/utils/BuildInfoUtils.h
@@ -0,0 +1,82 @@
+/**
+ * Copyright (C) 2021 Saturneric <[email protected]>
+ *
+ * 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 <[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#pragma once
+
+namespace GpgFrontend {
+
+/**
+ * @brief
+ *
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT GetProjectVersion() -> QString;
+
+/**
+ * @brief
+ *
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT GetProjectBuildVersion() -> QString;
+
+/**
+ * @brief
+ *
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT GetProjectBuildTimestamp() -> QDateTime;
+
+/**
+ * @brief
+ *
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT GetProjectBuildGitBranchName() -> QString;
+
+/**
+ * @brief
+ *
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT GetProjectBuildGitCommitHash() -> QString;
+
+/**
+ * @brief
+ *
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT GetProjectBuildGitVersion() -> QString;
+
+/**
+ * @brief
+ *
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT GetHttpRequestUserAgent() -> QString;
+
+}  // namespace GpgFrontend
\ No newline at end of file
diff --git a/src/core/utils/CommonUtils.cpp b/src/core/utils/CommonUtils.cpp
index 36dfe0a7..20851cca 100644
--- a/src/core/utils/CommonUtils.cpp
+++ b/src/core/utils/CommonUtils.cpp
@@ -72,7 +72,7 @@ auto CompareSoftwareVersion(const QString& a, const QString& b) -> int {
   return 0;
 }
 
-auto GPGFRONTEND_CORE_EXPORT GFStrDup(const QString& str) -> char* {
+auto GFStrDup(const QString& str) -> char* {
   auto utf8_str = str.toUtf8();
   auto* c_str =
       static_cast<char*>(SecureMalloc((utf8_str.size() + 1) * sizeof(char)));
diff --git a/src/core/utils/IOUtils.cpp b/src/core/utils/IOUtils.cpp
index 1002badd..79b879f9 100644
--- a/src/core/utils/IOUtils.cpp
+++ b/src/core/utils/IOUtils.cpp
@@ -180,4 +180,42 @@ auto GetFullExtension(const QString& path) -> QString {
   return filename.mid(dot_index);
 }
 
+auto CalculateBinaryChacksum(const QString& path) -> QString {
+  // check file info and access rights
+  QFileInfo info(path);
+  if (!info.exists() || !info.isFile() || !info.isReadable()) {
+    GF_CORE_LOG_ERROR("get info for file {} error, exists: {}", info.filePath(),
+                      info.exists());
+    return {};
+  }
+
+  // open and read file
+  QFile f(info.filePath());
+  if (!f.open(QIODevice::ReadOnly)) {
+    GF_CORE_LOG_ERROR("open {} to calculate checksum error: {}",
+                      path.toStdString(), f.errorString().toStdString());
+    return {};
+  }
+
+  QCryptographicHash hash_sha(QCryptographicHash::Sha256);
+
+  // read data by chunks
+  const qint64 buffer_size = 8192;  // Define a suitable buffer size
+  while (!f.atEnd()) {
+    QByteArray buffer = f.read(buffer_size);
+    if (buffer.isEmpty()) {
+      GF_CORE_LOG_ERROR("error reading file {} during checksum calculation",
+                        path.toStdString());
+      return {};
+    }
+    hash_sha.addData(buffer);
+  }
+
+  // close the file
+  f.close();
+
+  // return the SHA-256 hash of the file
+  return hash_sha.result().toHex();
+}
+
 }  // namespace GpgFrontend
\ No newline at end of file
diff --git a/src/core/utils/IOUtils.h b/src/core/utils/IOUtils.h
index 2c48f38c..3e18394d 100644
--- a/src/core/utils/IOUtils.h
+++ b/src/core/utils/IOUtils.h
@@ -85,6 +85,15 @@ auto GPGFRONTEND_CORE_EXPORT CalculateHash(const QString &file_path) -> QString;
  * @brief
  *
  * @param path
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT CalculateBinaryChacksum(const QString &path)
+    -> QString;
+
+/**
+ * @brief
+ *
+ * @param path
  * @param out_buffer
  * @return true
  * @return false