New page and function for generating subkeys.

Define the interface and functions of the subkey management tab.
When there is an item in the UID list, the first item is selected by default.
Compile the API for generating sub-keys and the corresponding calling thread.
Set GpgGenKeyInfo to apply to the subkey
Generate a subkey for the selected key pair of the management key pair interface.
Adjust the project structure and add a new classification key generation category.
Double-click the item in KeyList in the key pair management interface to enter the key details page.
Adjust the title of the key pair management interface.
Optimize part of the code of KeyGenThread.

Signed-off-by: Saturneric <[email protected]>

1 files changed, 114 insertions, 0 deletions

diff --git a/include/ui/keygen/KeygenDialog.h b/include/ui/keygen/KeygenDialog.h
new file mode 100644
index 00000000..a2718a1d
--- /dev/null
+++ b/include/ui/keygen/KeygenDialog.h
@@ -0,0 +1,114 @@
+/**
+ * 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]><[email protected]> starting on May 12, 2021.
+ *
+ */
+
+#ifndef __KEYGENDIALOG_H__
+#define __KEYGENDIALOG_H__
+
+#include "KeygenThread.h"
+#include "gpg/GpgContext.h"
+
+
+class KeyGenDialog : public QDialog {
+Q_OBJECT
+
+
+public:
+
+    /**
+     * @details Constructor of this class
+     *
+     * @param ctx The current GpgME context
+     * @param key The key to show details of
+     * @param parent The parent of this widget
+     */
+    explicit KeyGenDialog(GpgME::GpgContext *ctx, QWidget *parent = nullptr);
+
+private:
+
+    QGroupBox *create_key_usage_group_box();
+
+    QGroupBox *create_basic_info_group_box();
+
+    QRegularExpression re_email{
+            R"((?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\]))"};
+
+    GpgME::GpgContext *mCtx; /** The current gpg context */
+    KeyGenThread *kg{}; /** Thread for key generation */
+    QStringList errorMessages; /** List of errors occuring when checking entries of lineedits */
+    GenKeyInfo genKeyInfo{};
+
+    QDialogButtonBox *buttonBox; /** Box for standardbuttons */
+    QLabel *errorLabel{}; /** Label containing error message */
+    QLineEdit *nameEdit{}; /** Lineedit for the keys name */
+    QLineEdit *emailEdit{}; /** Lineedit for the keys email */
+    QLineEdit *commentEdit{}; /** Lineedit for the keys comment */
+    QSpinBox *keySizeSpinBox{}; /** Spinbox for the keys size (in bit) */
+    QComboBox *keyTypeComboBox{}; /** Combobox for Keytpe */
+    QDateTimeEdit *dateEdit{}; /** Dateedit for expiration date */
+    QCheckBox *expireCheckBox{}; /** Checkbox, if key should expire */
+    QCheckBox *noPassPhraseCheckBox{};
+
+    QGroupBox *keyUsageGroupBox{}; /** Group of Widgets detecting the usage of the Key **/
+
+//    ENCR, SIGN, CERT, AUTH
+    std::vector<QCheckBox *> keyUsageCheckBoxes;
+
+    void generateKeyDialog();
+
+    /**
+     * @details Refresh widgets state by GenKeyInfo
+     */
+    void refresh_widgets_state();
+
+    void set_signal_slot();
+
+    bool check_email_address(const QString &str);
+
+private slots:
+
+    /**
+     * @details when expirebox was checked/unchecked, enable/disable the expiration date box
+     */
+    void slotExpireBoxChanged();
+
+    /**
+     * @details check all lineedits for false entries. Show error, when there is one, otherwise generate the key
+     */
+    void slotKeyGenAccept();
+
+    void slotEncryptionBoxChanged(int state);
+
+    void slotSigningBoxChanged(int state);
+
+    void slotCertificationBoxChanged(int state);
+
+    void slotAuthenticationBoxChanged(int state);
+
+    void slotActivatedKeyType(int index);
+
+    void slotKeyGenResult(bool success);
+
+};
+
+#endif // __KEYGENDIALOG_H__