1 files changed, 109 insertions, 0 deletions
diff --git a/src-qt5/core/lumina-desktop/src-screensaver/LLockScreen.cpp b/src-qt5/core/lumina-desktop/src-screensaver/LLockScreen.cpp
new file mode 100644
index 00000000..2cfd0f4a
--- /dev/null
+++ b/src-qt5/core/lumina-desktop/src-screensaver/LLockScreen.cpp
@@ -0,0 +1,109 @@
+//===========================================
+//  Lumina-DE source code
+//  Copyright (c) 2015, Ken Moore
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+#include "LLockScreen.h"
+#include "ui_LLockScreen.h"
+
+#include <unistd.h>
+
+#define NUMTRIES 3
+#define DEBUG 1
+
+LLockScreen::LLockScreen(QWidget *parent) : QWidget(parent), ui(new Ui::LLockScreen()){
+  ui->setupUi(this);
+  waittime = new QTimer(this);
+    waittime->setSingleShot(true);
+  refreshtime = new QTimer(this); //timer to update the wait time display
+    refreshtime->setInterval(6000); //6 seconds (1/10 second)
+
+  connect(ui->tool_unlock, SIGNAL(clicked()), this, SLOT(TryUnlock()) );
+  connect(ui->line_password, SIGNAL(returnPressed()), this, SLOT(TryUnlock()) );
+  connect(ui->line_password, SIGNAL(textEdited(QString)), this, SIGNAL(InputDetected()) );
+  connect(ui->line_password, SIGNAL(cursorPositionChanged(int,int)), this, SIGNAL(InputDetected()) );
+  connect(waittime, SIGNAL(timeout()), this, SLOT(aboutToShow()) );
+  connect(refreshtime, SIGNAL(timeout()), this, SLOT(UpdateLockInfo()) );
+}
+
+LLockScreen::~LLockScreen(){
+
+}
+
+void LLockScreen::LoadSystemDetails(){
+   //Run every time the screen is initially locked
+   QString user = QString(getlogin());
+   ui->label_username->setText( QString(tr("Locked by: %1")).arg(user) );
+   ui->label_hostname->setText( QHostInfo::localHostName() );
+   ui->tool_unlock->setIcon( LXDG::findIcon("document-decrypt","") );
+   attempts = 0;
+}
+
+void LLockScreen::aboutToHide(){
+  //auto-hide timeout - clear display
+  ui->line_password->clear();
+  ui->line_password->clearFocus();
+  if(refreshtime->isActive()){ refreshtime->stop(); }
+}
+
+void LLockScreen::aboutToShow(){
+  if(!waittime->isActive()){
+    ui->label_info->clear();
+    this->setEnabled(true);
+    triesleft = NUMTRIES; //back to initial number of tries
+    if(refreshtime->isActive()){ refreshtime->stop(); }
+  }else{
+    if(!refreshtime->isActive()){ refreshtime->start(); }
+  }
+  UpdateLockInfo();
+  ui->line_password->clear();
+  ui->line_password->setFocus();
+}
+
+// =================
+//      PRIVATE SLOTS
+// =================
+void LLockScreen::UpdateLockInfo(){
+  QString info;
+  if(waittime->isActive()){
+    info = tr("Too Many Failures")+"\n"+ QString(tr("Wait %1 Minutes")).arg( QString::number(qRound(waittime->remainingTime()/6000.0)/10.0) );
+  }else if(attempts>0){ info.append("\n"+QString(tr("Failed Attempts: %1")).arg(QString::number(attempts)) ); }
+  ui->label_info->setText(info);
+}
+
+void LLockScreen::TryUnlock(){
+  attempts++;
+  this->setEnabled(false);
+  QString pass = ui->line_password->text();
+    ui->line_password->clear();
+  //Create a temporary file for the password, then pass that file descriptor to lumina-checkpass
+  QTemporaryFile *TF = new QTemporaryFile(".XXXXXXXXXX");
+  TF->setAutoRemove(true);
+  bool ok = false;
+  if( TF->open() ){
+    QTextStream in(TF);
+    in << pass.toUtf8()+"\0"; //make sure it is null-terminated
+    TF->close();
+    //qDebug() << "Trying to unlock session:" << TF->fileName() << LUtils::readFile(TF->fileName());
+    //qDebug() << "UserName:" << getlogin();
+    LUtils::runCommand(ok, "lumina-checkpass",QStringList() << "-f" << TF->fileName() );
+  }
+  delete TF; //ensure the temporary file is removed **right now** for security purposes
+  if(ok){
+    emit ScreenUnlocked();
+    this->setEnabled(true);
+  }else{
+    triesleft--;
+    if(triesleft>0){
+      this->setEnabled(true);
+    }else{
+      waittime->setInterval( (attempts/NUMTRIES)*60000);
+      waittime->start();
+      refreshtime->start();
+    }
+    ui->line_password->setFocus();
+  }
+  UpdateLockInfo();
+
+}