1 files changed, 108 insertions, 0 deletions
diff --git a/src/gpg/model/GpgKey.cpp b/src/gpg/model/GpgKey.cpp
new file mode 100644
index 00000000..c14edd2d
--- /dev/null
+++ b/src/gpg/model/GpgKey.cpp
@@ -0,0 +1,108 @@
+/**
+ * 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.
+ *
+ * Foobar 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 Foobar.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from gpg4usb-team.
+ * Their source code version also complies with GNU General Public License.
+ *
+ * The source code version of this software was modified and released
+ * by Saturneric<[email protected]> starting on May 12, 2021.
+ *
+ */
+
+#include "gpg/model/GpgKey.h"
+
+GpgFrontend::GpgKey::GpgKey(gpgme_key_t &&key) : _key_ref(std::move(key)) {}
+
+GpgFrontend::GpgKey::GpgKey(GpgKey &&k) noexcept { swap(_key_ref, k._key_ref); }
+
+GpgFrontend::GpgKey &GpgFrontend::GpgKey::operator=(GpgKey &&k) noexcept {
+  swap(_key_ref, k._key_ref);
+  return *this;
+}
+
+std::unique_ptr<std::vector<GpgFrontend::GpgSubKey>>
+GpgFrontend::GpgKey::subKeys() const {
+  auto p_keys = std::make_unique<std::vector<GpgSubKey>>();
+  auto next = _key_ref->subkeys;
+  while (next != nullptr) {
+    p_keys->push_back(GpgSubKey(next));
+    next = next->next;
+  }
+  return p_keys;
+}
+
+std::unique_ptr<std::vector<GpgFrontend::GpgUID>> GpgFrontend::GpgKey::uids()
+    const {
+  auto p_uids = std::make_unique<std::vector<GpgUID>>();
+  auto uid_next = _key_ref->uids;
+  while (uid_next != nullptr) {
+    p_uids->push_back(GpgUID(uid_next));
+    uid_next = uid_next->next;
+  }
+  return p_uids;
+}
+
+bool GpgFrontend::GpgKey::CanSignActual() const {
+  auto subkeys = subKeys();
+  if (std::any_of(subkeys->begin(), subkeys->end(),
+                  [](const GpgSubKey &subkey) -> bool {
+                    return subkey.secret() && subkey.can_sign() &&
+                           !subkey.disabled() && !subkey.revoked() &&
+                           !subkey.expired();
+                  }))
+    return true;
+  else
+    return false;
+}
+
+bool GpgFrontend::GpgKey::CanAuthActual() const {
+  auto subkeys = subKeys();
+  if (std::any_of(subkeys->begin(), subkeys->end(),
+                  [](const GpgSubKey &subkey) -> bool {
+                    return subkey.secret() && subkey.can_authenticate() &&
+                           !subkey.disabled() && !subkey.revoked() &&
+                           !subkey.expired();
+                  }))
+    return true;
+  else
+    return false;
+}
+
+/**
+ * check if key can certify(actually)
+ * @param key target key
+ * @return if key certify
+ */
+bool GpgFrontend::GpgKey::CanCertActual() const {
+  return has_master_key() && !expired() && !revoked() && !disabled();
+}
+
+/**
+ * check if key can encrypt(actually)
+ * @param key target key
+ * @return if key encrypt
+ */
+bool GpgFrontend::GpgKey::CanEncrActual() const {
+  auto subkeys = subKeys();
+  if (std::any_of(subkeys->begin(), subkeys->end(),
+                  [](const GpgSubKey &subkey) -> bool {
+                    return subkey.can_encrypt() && !subkey.disabled() &&
+                           !subkey.revoked() && !subkey.expired();
+                  }))
+    return true;
+  else
+    return false;
+}