From a167286b3f4e5f24851f6603d718f49b61f0be03 Mon Sep 17 00:00:00 2001
From: Christian Kandeler <christian.kandeler@digia.com>
Date: Wed, 27 Mar 2013 16:42:08 +0100
Subject: [PATCH] Ssh: Get confirmation from user for overwriting an existing
 key.

Change-Id: I3d74423ef647fd59d303517b0a0e987b24973095
Reviewed-by: Robert Loehning <robert.loehning@digia.com>
---
 src/libs/ssh/sshkeycreationdialog.cpp | 13 +++++++++++++
 src/libs/ssh/sshkeycreationdialog.h   |  1 +
 2 files changed, 14 insertions(+)

diff --git a/src/libs/ssh/sshkeycreationdialog.cpp b/src/libs/ssh/sshkeycreationdialog.cpp
index 7ffa2c9b4b5..139b3bab72c 100644
--- a/src/libs/ssh/sshkeycreationdialog.cpp
+++ b/src/libs/ssh/sshkeycreationdialog.cpp
@@ -69,6 +69,9 @@ void SshKeyCreationDialog::keyTypeChanged()
 
 void SshKeyCreationDialog::generateKeys()
 {
+    if (userForbidsOverwriting())
+        return;
+
     const SshKeyGenerator::KeyType keyType = m_ui->rsa->isChecked()
         ? SshKeyGenerator::Rsa
         : SshKeyGenerator::Dsa;
@@ -130,6 +133,16 @@ void SshKeyCreationDialog::saveKeys()
     accept();
 }
 
+bool SshKeyCreationDialog::userForbidsOverwriting()
+{
+    if (!QFileInfo(privateKeyFilePath()).exists() && !QFileInfo(publicKeyFilePath()).exists())
+        return false;
+    const QMessageBox::StandardButton reply = QMessageBox::question(this, tr("File Exists"),
+            tr("There already is a file of that name. Do you want to overwrite it?"),
+            QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
+    return reply != QMessageBox::Yes;
+}
+
 QString SshKeyCreationDialog::privateKeyFilePath() const
 {
     return m_ui->privateKeyFileValueLabel->text();
diff --git a/src/libs/ssh/sshkeycreationdialog.h b/src/libs/ssh/sshkeycreationdialog.h
index 23afd761592..0c31af63d5a 100644
--- a/src/libs/ssh/sshkeycreationdialog.h
+++ b/src/libs/ssh/sshkeycreationdialog.h
@@ -57,6 +57,7 @@ private slots:
 private:
     void setPrivateKeyFile(const QString &filePath);
     void saveKeys();
+    bool userForbidsOverwriting();
 
 private:
     SshKeyGenerator *m_keyGenerator;