Incremental work, starting to take shape

qtox.pro

@@ -83,7 +83,7 @@ win32 {
             target.path = /usr/bin
             INSTALLS += target
             LIBS += -L$$PWD/libs/lib/ -lopus -lvpx -lopenal -Wl,-Bstatic -ltoxcore -ltoxav -ltoxencryptsave -ltoxdns -lsodium -lopencv_highgui -lopencv_imgproc -lopencv_core -lz -Wl,-Bdynamic
-	    LIBS += -Wl,-Bstatic -ljpeg -ltiff -lpng -ljasper -lIlmImf -lIlmThread -lIex -ldc1394 -lraw1394 -lHalf -lz -llzma -ljbig
+	        LIBS += -Wl,-Bstatic -ljpeg -ltiff -lpng -ljasper -lIlmImf -lIlmThread -lIex -ldc1394 -lraw1394 -lHalf -lz -llzma -ljbig
             LIBS += -Wl,-Bdynamic -lv4l1 -lv4l2 -lavformat -lavcodec -lavutil -lswscale -lusb-1.0
         } else {
             LIBS += -L$$PWD/libs/lib/ -ltoxcore -ltoxav -ltoxencryptsave -ltoxdns -lvpx -lsodium -lopenal -lopencv_core -lopencv_highgui -lopencv_imgproc
@@ -163,7 +163,8 @@ HEADERS  += src/widget/form/addfriendform.h \
     src/autoupdate.h \
     src/misc/serialize.h \
     src/widget/form/settings/advancedform.h \
-    src/audio.h
+    src/audio.h \
+    src/widget/form/checkcontinue.h
 
 SOURCES += \
     src/widget/form/addfriendform.cpp \
@@ -230,7 +231,8 @@ SOURCES += \
     src/autoupdate.cpp \
     src/misc/serialize.cpp \
     src/widget/form/settings/advancedform.cpp \
-    src/audio.cpp
+    src/audio.cpp \
+    src/widget/form/checkcontinue.cpp
 
 contains(DEFINES, QTOX_PLATFORM_EXT) {
     HEADERS += src/platform/timer.h

src/core.h

@@ -135,6 +135,7 @@ public slots:
     static bool isGroupCallVolEnabled(int groupId);
 
     void setPassword(QString& password, PasswordType passtype, uint8_t* salt = nullptr);
+    void useOtherPassword(PasswordType type);
     void clearPassword(PasswordType passtype);
     QByteArray encryptData(const QByteArray& data, PasswordType passtype);
     QByteArray decryptData(const QByteArray& data, PasswordType passtype);

src/coreencryption.cpp

@@ -50,6 +50,15 @@ void Core::setPassword(QString& password, PasswordType passtype, uint8_t* salt)
     password.clear();
 }
 
+void Core::useOtherPassword(PasswordType type)
+{
+    clearPassword(type);
+    if (type == ptHistory)
+        pwsaltedkeys[ptHistory] = pwsaltedkeys[ptMain];
+    else if (type == ptMain)
+        pwsaltedkeys[ptMain] = pwsaltedkeys[ptHistory];
+}
+
 void Core::clearPassword(PasswordType passtype)
 {
     if (pwsaltedkeys[passtype])

src/historykeeper.cpp

@@ -71,17 +71,9 @@ HistoryKeeper *HistoryKeeper::getInstance()
 bool HistoryKeeper::checkPassword()
 {
     if (Settings::getInstance().getEnableLogging())
-    {
         if (Settings::getInstance().getEncryptLogs())
-        {
-            QString dbpath = getHistoryPath();
-            return EncryptedDb::check(dbpath);
-        } else {
-            return true;
-        }
-    } else {
-        return true;
-    }
+            return EncryptedDb::check(getHistoryPath());
+    return true;
 }
 
 HistoryKeeper::HistoryKeeper(GenericDdInterface *db_) :
@@ -143,6 +135,12 @@ HistoryKeeper::~HistoryKeeper()
     delete db;
 }
 
+void HistoryKeeper::reencrypt(QString newpw)
+{
+    // this needs to appropriately set the core password as well
+    // if newpw.isEmpty(), then use the other core password
+}
+
 int HistoryKeeper::addChatEntry(const QString& chat, const QString& message, const QString& sender, const QDateTime &dt, bool isSent)
 {
     int chat_id = getChatID(chat, ctSingle).first;

src/historykeeper.h

@@ -52,6 +52,7 @@ public:
     int addGroupChatEntry(const QString& chat, const QString& message, const QString& sender, const QDateTime &dt);
     QList<HistMessage> getChatHistory(ChatType ct, const QString &chat, const QDateTime &time_from, const QDateTime &time_to);
     void markAsSent(int m_id);
+    void reencrypt(QString newpw);
 
     void setSyncType(Db::syncType sType);
 

src/widget/form/checkcontinue.cpp

@@ -0,0 +1,23 @@
+/*
+    Copyright (C) 2014 by Project Tox <https://tox.im>
+
+    This file is part of qTox, a Qt-based graphical interface for Tox.
+
+    This program is libre 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.
+    This program 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 COPYING file for more details.
+*/
+
+#include <QMessageBox>
+
+bool checkContinue(const QString& title, const QString& msg, QWidget* parent = nullptr)
+{
+    QMessageBox::StandardButton resp = QMessageBox::question(parent, title, msg, QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
+    return resp == QMessageBox::Yes;
+}

src/widget/form/checkcontinue.h

@@ -0,0 +1,22 @@
+/*
+    Copyright (C) 2014 by Project Tox <https://tox.im>
+
+    This file is part of qTox, a Qt-based graphical interface for Tox.
+
+    This program is libre 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.
+    This program 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 COPYING file for more details.
+*/
+
+#ifndef CHECKCONTINUE_H
+#define CHECKCONTINUE_H
+
+bool checkContinue(const QString& title, const QString& msg, QWidget* parent = nullptr);
+
+#endif

src/widget/form/setpassworddialog.cpp

@@ -18,14 +18,23 @@
 #include "ui_setpassworddialog.h"
 #include <QPushButton>
 
-SetPasswordDialog::SetPasswordDialog(QWidget *parent) :
-    QDialog(parent),
-    ui(new Ui::SetPasswordDialog)
+SetPasswordDialog::SetPasswordDialog(QString body, QString extraButton, QWidget* parent)
+    : QDialog(parent)
+    , ui(new Ui::SetPasswordDialog)
 {
     ui->setupUi(this);
 
     connect(ui->passwordlineEdit, SIGNAL(textChanged(QString)), this, SLOT(onPasswordEdit()));
     connect(ui->repasswordlineEdit, SIGNAL(textChanged(QString)), this, SLOT(onPasswordEdit()));
+
+    ui->body->setText(body);
+
+    if (!extraButton.isEmpty())
+    {
+        QPushButton* third = new QPushButton(extraButton);
+        ui->buttonBox->addButton(third, QDialogButtonBox::YesRole);
+        connect(third, &QPushButton::clicked, this, [=](){this->done(2);});
+    }
 }
 
 SetPasswordDialog::~SetPasswordDialog()

src/widget/form/setpassworddialog.h

@@ -28,7 +28,7 @@ class SetPasswordDialog : public QDialog
     Q_OBJECT
 
 public:
-    explicit SetPasswordDialog(QWidget *parent = 0);
+    explicit SetPasswordDialog(QString body, QString extraButton, QWidget* parent = 0);
     ~SetPasswordDialog();
     QString getPassword();
 

src/widget/form/setpassworddialog.ui

@@ -11,39 +11,50 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string notr="true">Dialog</string>
+   <string>Set your password</string>
   </property>
   <property name="modal">
    <bool>true</bool>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
-    <widget class="QLabel" name="label">
-     <property name="text">
-      <string>Type Password</string>
-     </property>
-    </widget>
+    <widget class="QLabel" name="body" />
    </item>
    <item>
-    <widget class="QLineEdit" name="passwordlineEdit">
-     <property name="echoMode">
-      <enum>QLineEdit::Password</enum>
-     </property>
-    </widget>
+    <layout class="QHBoxLayout" name="hLayout1">
+     <item>
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string>Type password:</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLineEdit" name="passwordlineEdit">
+       <property name="echoMode">
+        <enum>QLineEdit::Password</enum>
+       </property>
+      </widget>
+     </item> 
+    </layout>
    </item>
    <item>
-    <widget class="QLabel" name="label_2">
-     <property name="text">
-      <string>Repeat Password</string>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QLineEdit" name="repasswordlineEdit">
-     <property name="echoMode">
-      <enum>QLineEdit::Password</enum>
-     </property>
-    </widget>
+    <layout class="QHBoxLayout" name="hLayout2">
+     <item>
+      <widget class="QLabel" name="label_2">
+       <property name="text">
+       <string>Repeat Password</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLineEdit" name="repasswordlineEdit">
+       <property name="echoMode">
+        <enum>QLineEdit::Password</enum>
+       </property>
+      </widget>
+     </item>
+    </layout>
    </item>
    <item>
     <spacer name="verticalSpacer">

src/widget/form/settings/identityform.cpp

@@ -20,6 +20,7 @@
 #include "src/widget/form/settingswidget.h"
 #include "src/misc/settings.h"
 #include "src/widget/croppinglabel.h"
+#include "src/widget/form/checkcontinue.h"
 #include "src/widget/widget.h"
 #include "src/historykeeper.h"
 #include "src/misc/style.h"
@@ -29,7 +30,6 @@
 #include <QClipboard>
 #include <QInputDialog>
 #include <QFileDialog>
-#include <QMessageBox>
 
 IdentityForm::IdentityForm() :
     GenericForm(tr("Identity"), QPixmap(":/img/settings/identity.png"))
@@ -149,7 +149,7 @@ void IdentityForm::onRenameClicked()
         QDir dir(Settings::getSettingsDirPath());
         QString file = dir.filePath(name+Core::TOX_EXT);
         if (!QFile::exists(file) || checkContinue(tr("Profile already exists", "rename confirm title"),
-                tr("A profile named \"%1\" already exists. Do you want to erase it?", "rename confirm text").arg(cur)))
+                tr("A profile named \"%1\" already exists. Do you want to erase it?", "rename confirm text").arg(cur)), this)
         {
             QFile::rename(dir.filePath(cur+Core::TOX_EXT), file);
             bodyUI->profiles->setItemText(bodyUI->profiles->currentIndex(), name);
@@ -172,7 +172,7 @@ void IdentityForm::onExportClicked()
         if (QFile::exists(path))
         {
             // should we popup a warning?
-            // if (!checkContinue(tr("Overwriting a file"), tr("Are you sure you want to overwrite %1?").arg(path)))
+            // if (!checkContinue(tr("Overwriting a file"), tr("Are you sure you want to overwrite %1?").arg(path)), this)
             //     return;
             success = QFile::remove(path);
             if (!success)
@@ -196,7 +196,7 @@ void IdentityForm::onDeleteClicked()
     else
     {        
         if (checkContinue(tr("Deletion imminent!","deletion confirmation title"),
-                          tr("Are you sure you want to delete this profile?\nAssociated friend information and chat logs will be deleted as well.","deletion confirmation text")))
+                          tr("Are you sure you want to delete this profile?","deletion confirmation text"), this))
         {
             QString profile = bodyUI->profiles->currentText();
             QDir dir(Settings::getSettingsDirPath());
@@ -235,7 +235,7 @@ void IdentityForm::onImportClicked()
     QString profilePath = QDir(Settings::getSettingsDirPath()).filePath(profile + Core::TOX_EXT);
 
     if (QFileInfo(profilePath).exists() && !checkContinue(tr("Profile already exists", "import confirm title"),
-            tr("A profile named \"%1\" already exists. Do you want to erase it?", "import confirm text").arg(profile)))
+            tr("A profile named \"%1\" already exists. Do you want to erase it?", "import confirm text").arg(profile), this))
         return;
 
     QFile::copy(path, profilePath);
@@ -247,12 +247,6 @@ void IdentityForm::onNewClicked()
     emit Widget::getInstance()->changeProfile(QString());
 }
 
-bool IdentityForm::checkContinue(const QString& title, const QString& msg)
-{
-    QMessageBox::StandardButton resp = QMessageBox::question(this, title, msg, QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
-    return resp == QMessageBox::Yes;
-}
-
 void IdentityForm::disableSwitching()
 {
     bodyUI->loadButton->setEnabled(false);

src/widget/form/settings/identityform.h

@@ -66,7 +66,6 @@ private slots:
     void onDeleteClicked();
     void onImportClicked();
     void onNewClicked();
-    bool checkContinue(const QString& title, const QString& msg);
     void disableSwitching();
     void enableSwitching();
 

src/widget/form/settings/privacyform.cpp

@@ -22,6 +22,7 @@
 #include "src/core.h"
 #include "src/widget/widget.h"
 #include "src/widget/form/setpassworddialog.h"
+#include "src/widget/form/checkcontinue.h"
 #include <QMessageBox>
 #include <QFile>
 
@@ -60,16 +61,65 @@ void PrivacyForm::onTypingNotificationEnabledUpdated()
 
 void PrivacyForm::onEncryptLogsUpdated()
 {
-    bool encryption = bodyUI->cbEncryptHistory->isChecked();
+    Core* core = Core::getInstance();
 
-    if (encryption)
+    if (bodyUI->cbEncryptHistory->isChecked())
     {
-        
+        if (!core->isPasswordSet(Core::ptHistory))
+        {
+            SetPasswordDialog* dialog;
+            QString body = tr("Please set your new chat log password:");
+            if (core->isPasswordSet(Core::ptMain))
+                dialog = new SetPasswordDialog(body, tr("Use datafile password", "pushbutton text"));
+            else
+                dialog = new SetPasswordDialog(body, QString());
+
+            if (int r = dialog->exec())
+            {
+                QString newpw;                
+                if (r != 2)
+                    newpw = dialog->getPassword();
+                delete dialog;
+                if (r != 2 && newpw.isEmpty())
+                    goto fail;
+
+                Settings::getInstance().setEncryptLogs(true);
+                bodyUI->cbEncryptHistory->setChecked(true);
+                // not logically necessary, but more consistent (esp. if the logic changes)
+                if (!HistoryKeeper::checkPassword())
+                    if (checkContinue(tr("Old encrypted chat logs", "title"),
+                                      tr("Would you like to re-encrypt your old chat logs?\nOtherwise they will be deleted.", "body")))
+                    {
+                        HistoryKeeper::getInstance()->reencrypt(newpw); 
+                        // will set core and reset itself
+                        return;
+                    }
+                // @apprb you resetInstance() in the old code but wouldn't that wipe out the current unencrypted history?
+                // that should of course just become encrypted
+                if (newpw.isEmpty())
+                    core->useOtherPassword(Core::ptHistory);
+                else
+                    core->setPassword(newpw, Core::ptHistory);
+                return;
+            }
+            else
+                delete dialog;
+        }
     }
     else
     {
-    
+        if (checkContinue(tr("Old encrypted chat logs", "title"), tr("Would you like to un-encrypt your chat logs?\nOtherwise they will be deleted.")))
+        {
+            // TODO: how to unencrypt current encrypted logs
+        }
+        else
+            HistoryKeeper::resetInstance();
     }
+
+    fail:
+        core->clearPassword(Core::ptHistory);
+        Settings::getInstance().setEncryptLogs(false);
+        bodyUI->cbEncryptHistory->setChecked(false);
 }
 
 void PrivacyForm::onEncryptToxUpdated()

src/widget/toxsave.cpp

@@ -18,6 +18,7 @@
 #include "widget.h"
 #include "src/core.h"
 #include "src/misc/settings.h"
+#include "src/widget/form/checkcontinue.h"
 #include <QCoreApplication>
 #include <QDir>
 #include <QFileInfo>
@@ -30,12 +31,6 @@ void toxSaveEventHandler(const QByteArray& eventData)
     handleToxSave(eventData);
 }
 
-static bool checkContinue(const QString& title, const QString& msg)
-{
-    QMessageBox::StandardButton resp = QMessageBox::question(Widget::getInstance(), title, msg, QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
-    return resp == QMessageBox::Yes;
-}
-
 void handleToxSave(const QString& path)
 {
     Core* core = Core::getInstance();