Feature : Clip command using native programs. (#792)

* Adding a timeout option
* Using native apps.
* Renaming PasswordInput -> Utils

src/cli/Clip.cpp

@@ -15,8 +15,10 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <chrono>
 #include <cstdlib>
 #include <stdio.h>
+#include <thread>
 
 #include "Clip.h"
 
@@ -25,11 +27,11 @@
 #include <QStringList>
 #include <QTextStream>
 
-#include "gui/UnlockDatabaseDialog.h"
+#include "cli/Utils.h"
 #include "core/Database.h"
 #include "core/Entry.h"
 #include "core/Group.h"
-#include "gui/Clipboard.h"
+#include "gui/UnlockDatabaseDialog.h"
 
 Clip::Clip()
 {
@@ -50,6 +52,7 @@ int Clip::execute(int argc, char** argv)
     }
 
     QTextStream out(stdout);
+    QApplication app(argc, argv);
 
     QCommandLineParser parser;
     parser.setApplicationDescription(this->description);
@@ -59,17 +62,19 @@ int Clip::execute(int argc, char** argv)
                                  QObject::tr("Use a GUI prompt unlocking the database."));
     parser.addOption(guiPrompt);
     parser.addPositionalArgument("entry", QObject::tr("Path of the entry to clip."));
+    parser.addPositionalArgument(
+        "timeout",
+        QObject::tr("Timeout in seconds before clearing the clipboard."),
+        QString("[timeout]"));
     parser.process(arguments);
 
     const QStringList args = parser.positionalArguments();
-    if (args.size() != 2) {
-        QCoreApplication app(argc, argv);
+    if (args.size() != 2 && args.size() != 3) {
         out << parser.helpText().replace("keepassxc-cli", "keepassxc-cli clip");
         return EXIT_FAILURE;
     }
 
     Database* db = nullptr;
-    QApplication app(argc, argv);
     if (parser.isSet("gui-prompt")) {
         db = UnlockDatabaseDialog::openDatabasePrompt(args.at(0));
     } else {
@@ -79,12 +84,20 @@ int Clip::execute(int argc, char** argv)
     if (!db) {
         return EXIT_FAILURE;
     }
-    return this->clipEntry(db, args.at(1));
+    return this->clipEntry(db, args.at(1), args.value(2));
 }
 
-int Clip::clipEntry(Database* database, QString entryPath)
+int Clip::clipEntry(Database* database, QString entryPath, QString timeout)
 {
 
+    int timeoutSeconds = 0;
+    if (!timeout.isEmpty() && !timeout.toInt()) {
+        qCritical("Invalid timeout value %s.", qPrintable(timeout));
+        return EXIT_FAILURE;
+    } else if (!timeout.isEmpty()) {
+        timeoutSeconds = timeout.toInt();
+    }
+
     QTextStream outputTextStream(stdout, QIODevice::WriteOnly);
     Entry* entry = database->rootGroup()->findEntry(entryPath);
     if (!entry) {
@@ -92,7 +105,25 @@ int Clip::clipEntry(Database* database, QString entryPath)
         return EXIT_FAILURE;
     }
 
-    Clipboard::instance()->setText(entry->password());
-    return EXIT_SUCCESS;
+    int exitCode = Utils::clipText(entry->password());
+    if (exitCode != EXIT_SUCCESS) {
+        return exitCode;
+    }
 
+    outputTextStream << "Entry's password copied to the clipboard!" << endl;
+
+    if (!timeoutSeconds) {
+        return exitCode;
+    }
+
+    while (timeoutSeconds > 0) {
+        outputTextStream << "\rClearing the clipboard in " << timeoutSeconds << " seconds...";
+        outputTextStream.flush();
+        std::this_thread::sleep_for(std::chrono::milliseconds(1000));
+        timeoutSeconds--;
+    }
+    Utils::clipText("");
+    outputTextStream << "\nClipboard cleared!" << endl;
+
+    return EXIT_SUCCESS;
 }