From 30878ae39460e14fe0a8ba0c06b3db6d16e73715 Mon Sep 17 00:00:00 2001
From: Tannin <sherb@gmx.net>
Date: Thu, 19 May 2016 19:17:15 +0200
Subject: added button to clear webcaches and cookies

---
 src/nexusinterface.cpp      |  7 +++++++
 src/nexusinterface.h        |  5 +++++
 src/nxmaccessmanager.cpp    |  9 +++++++++
 src/nxmaccessmanager.h      |  2 ++
 src/persistentcookiejar.cpp |  6 ++++++
 src/persistentcookiejar.h   |  6 ++++++
 src/settingsdialog.cpp      |  7 +++++++
 src/settingsdialog.h        |  3 +++
 src/settingsdialog.ui       | 31 +++++++++++++++++++++++++++++++
 9 files changed, 76 insertions(+)

(limited to 'src')

diff --git a/src/nexusinterface.cpp b/src/nexusinterface.cpp
index f5baa6ab..2c690aa4 100644
--- a/src/nexusinterface.cpp
+++ b/src/nexusinterface.cpp
@@ -27,6 +27,7 @@ along with Mod Organizer.  If not, see <http://www.gnu.org/licenses/>.
 #include <util.h>
 
 #include <QApplication>
+#include <QNetworkCookieJar>
 
 #include <regex>
 
@@ -409,6 +410,12 @@ void NexusInterface::cleanup()
   m_DiskCache = nullptr;
 }
 
+void NexusInterface::clearCache()
+{
+  m_DiskCache->clear();
+  m_AccessManager->clearCookies();
+}
+
 void NexusInterface::nextRequest()
 {
   if ((m_ActiveRequest.size() >= MAX_ACTIVE_DOWNLOADS)
diff --git a/src/nexusinterface.h b/src/nexusinterface.h
index c9a81134..9e7f3642 100644
--- a/src/nexusinterface.h
+++ b/src/nexusinterface.h
@@ -142,6 +142,11 @@ public:
    */
   void cleanup();
 
+  /**
+   * @brief clear webcache and cookies associated with this access manager
+   */
+  void clearCache();
+
   /**
    * @brief request description for a mod
    *
diff --git a/src/nxmaccessmanager.cpp b/src/nxmaccessmanager.cpp
index a7dd6eef..a0b9c01f 100644
--- a/src/nxmaccessmanager.cpp
+++ b/src/nxmaccessmanager.cpp
@@ -110,6 +110,15 @@ void NXMAccessManager::showCookies() const
   }
 }
 
+void NXMAccessManager::clearCookies()
+{
+  PersistentCookieJar *jar = qobject_cast<PersistentCookieJar*>(cookieJar());
+  if (jar != nullptr) {
+    jar->clear();
+  } else {
+    qWarning("failed to clear cookies, invalid cookie jar");
+  }
+}
 
 void NXMAccessManager::startLoginCheck()
 {
diff --git a/src/nxmaccessmanager.h b/src/nxmaccessmanager.h
index 82bd2bd5..c58c4cc3 100644
--- a/src/nxmaccessmanager.h
+++ b/src/nxmaccessmanager.h
@@ -52,6 +52,8 @@ public:
 
   void showCookies() const;
 
+  void clearCookies();
+
   QString userAgent(const QString &subModule = QString()) const;
 
   void startLoginCheck();
diff --git a/src/persistentcookiejar.cpp b/src/persistentcookiejar.cpp
index 44537491..a6eb78fa 100644
--- a/src/persistentcookiejar.cpp
+++ b/src/persistentcookiejar.cpp
@@ -15,6 +15,12 @@ PersistentCookieJar::~PersistentCookieJar() {
   save();
 }
 
+void PersistentCookieJar::clear() {
+  for (const QNetworkCookie &cookie : allCookies()) {
+    deleteCookie(cookie);
+  }
+}
+
 void PersistentCookieJar::save() {
   QTemporaryFile file;
   if (!file.open()) {
diff --git a/src/persistentcookiejar.h b/src/persistentcookiejar.h
index 812b785c..0ff747ee 100644
--- a/src/persistentcookiejar.h
+++ b/src/persistentcookiejar.h
@@ -5,9 +5,15 @@
 
 
 class PersistentCookieJar : public QNetworkCookieJar {
+
+  Q_OBJECT
+
 public:
   PersistentCookieJar(const QString &fileName, QObject *parent = 0);
   virtual ~PersistentCookieJar();
+
+  void clear();
+
 private:
 
   void save();
diff --git a/src/settingsdialog.cpp b/src/settingsdialog.cpp
index e528f478..c66cc243 100644
--- a/src/settingsdialog.cpp
+++ b/src/settingsdialog.cpp
@@ -26,6 +26,7 @@ along with Mod Organizer.  If not, see <http://www.gnu.org/licenses/>.
 #include "iplugingame.h"
 #include "settings.h"
 #include "instancemanager.h"
+#include "nexusinterface.h"
 
 #include <QDirIterator>
 #include <QFileDialog>
@@ -227,3 +228,9 @@ void SettingsDialog::on_changeInstanceButton_clicked()
     qApp->exit(INT_MAX);
   }
 }
+
+void SettingsDialog::on_clearCacheButton_clicked()
+{
+  QDir(Settings::instance().getCacheDirectory()).removeRecursively();
+  NexusInterface::instance()->clearCache();
+}
diff --git a/src/settingsdialog.h b/src/settingsdialog.h
index d266488d..1ae21015 100644
--- a/src/settingsdialog.h
+++ b/src/settingsdialog.h
@@ -52,6 +52,9 @@ signals:
 
   void resetDialogs();
 
+private slots:
+  void on_clearCacheButton_clicked();
+
 private slots:
   void on_browseBaseDirBtn_clicked();
 
diff --git a/src/settingsdialog.ui b/src/settingsdialog.ui
index 808d8296..2a4b5589 100644
--- a/src/settingsdialog.ui
+++ b/src/settingsdialog.ui
@@ -461,6 +461,37 @@ p, li { white-space: pre-wrap; }
             </item>
            </layout>
           </item>
+          <item>
+           <layout class="QHBoxLayout" name="horizontalLayout_11">
+            <item>
+             <widget class="QPushButton" name="clearCacheButton">
+              <property name="toolTip">
+               <string>Remove cache and cookies. Forces a new login.</string>
+              </property>
+              <property name="text">
+               <string>Clear Cache</string>
+              </property>
+              <property name="icon">
+               <iconset resource="resources.qrc">
+                <normaloff>:/MO/gui/edit_clear</normaloff>:/MO/gui/edit_clear</iconset>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <spacer name="horizontalSpacer_5">
+              <property name="orientation">
+               <enum>Qt::Horizontal</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>40</width>
+                <height>20</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+           </layout>
+          </item>
          </layout>
         </widget>
        </item>
-- 
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