More robust fix to problem with device ids being non exportable on dbus

core/CMakeLists.txt

@@ -23,6 +23,7 @@ set(kded_kdeconnect_SRCS
     kdeconnectplugin.cpp
     pluginloader.cpp
 
+    dbushelper.cpp
     networkpackage.cpp
     filetransferjob.cpp
     daemon.cpp

core/backends/lan/lanlinkprovider.cpp

@@ -29,6 +29,9 @@
 #include <QTcpServer>
 #include <QUdpSocket>
 
+#include <KSharedConfig>
+#include <KConfigGroup>
+
 #include "../../kdebugnamespace.h"
 #include "landevicelink.h"
 
@@ -129,11 +132,11 @@ void LanLinkProvider::newUdpConnection()
             delete receivedPackage;
         }
 
-        NetworkPackage np2("");
-        NetworkPackage::createIdentityPackage(&np2);
+        KSharedConfigPtr config = KSharedConfig::openConfig("kdeconnectrc");
+        const QString myId = config->group("myself").readEntry<QString>("id","");
 
-        if (receivedPackage->get<QString>("deviceId") == np2.get<QString>("deviceId")) {
             //kDebug(debugArea()) << "Ignoring my own broadcast";
+        if (receivedPackage->get<QString>("deviceId") == myId) {
             return;
         }
 

core/daemon.cpp

@@ -33,6 +33,7 @@
 #include <KConfigGroup>
 #include <KStandardDirs>
 
+#include "dbushelper.h"
 #include "kdebugnamespace.h"
 #include "networkpackage.h"
 #include "backends/lan/lanlinkprovider.h"
@@ -68,8 +69,7 @@ Daemon::Daemon(QObject *parent)
 
     if (!config->group("myself").hasKey("id")) {
         QString uuid = QUuid::createUuid().toString();
-        //uuids contain charcaters that are not exportable in dbus paths
-        uuid = uuid.mid(1, uuid.length() - 2).replace("-", "_");
+        DbusHelper::filterNonExportableCharacters(uuid);
         config->group("myself").writeEntry("id", uuid);
         config->sync();
         kDebug(debugArea()) << "My id:" << uuid;

core/dbushelper.cpp

@@ -0,0 +1,34 @@
+/**
+ * Copyright 2014 Albert Vaca <albertvaka@gmail.com>
+ *
+ * This program is free 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 2 of
+ * the License or (at your option) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * 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
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "dbushelper.h"
+
+#include <QRegExp>
+#include <kdebug.h>
+
+namespace DbusHelper {
+
+void filterNonExportableCharacters(QString& s)
+{
+    static QRegExp regexp("[^A-Za-z0-9_]", Qt::CaseSensitive, QRegExp::Wildcard);
+    s.replace(regexp,"_");
+}
+
+}

core/dbushelper.h

@@ -0,0 +1,29 @@
+/**
+ * Copyright 2014 Albert Vaca <albertvaka@gmail.com>
+ *
+ * This program is free 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 2 of
+ * the License or (at your option) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * 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
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef KDECONNECT_DBUSHELPER_H
+#define KDECONNECT_DBUSHELPER_H
+#include <QString>
+
+namespace DbusHelper {
+    void filterNonExportableCharacters(QString& s);
+}
+
+#endif

core/networkpackage.cpp

@@ -32,6 +32,7 @@
 #include <qjson/serializer.h>
 #include <qjson/qobjecthelper.h>
 
+#include "dbushelper.h"
 #include "filetransferjob.h"
 #include "pluginloader.h"
 
@@ -120,13 +121,11 @@ bool NetworkPackage::unserialize(const QByteArray& a, NetworkPackage* np)
     }
     np->mPayloadTransferInfo = variant["payloadTransferInfo"].toMap(); //Will return an empty qvariantmap if was not present, which is ok
 
-    //uuids contain charcaters that are not exportable in dbus paths
-    np->mId = np->mId.mid(1, np->mId.length() - 2).replace("-", "_");
-
+    //Ids containing characters that are not allowed as dbus paths would make app crash
     if (np->mBody.contains("deviceId"))
     {
         QString deviceId = np->get<QString>("deviceId");
-		deviceId = deviceId.mid(1, deviceId.length() - 2).replace("-", "_");
+        DbusHelper::filterNonExportableCharacters(deviceId);
         np->set("deviceId", deviceId);
     }