Safer implementation for substitution of WebDav URL

- Use of RegEx is dangerous with folder names
  containing e.g. '(' or ')'.
- Didn't work in my case at all.

src/mirall/accountsettings.cpp

@@ -493,10 +493,9 @@ QString AccountSettings::shortenFilename( const QString& folder, const QString&
         // rip off the whole ownCloud URL.
         Folder *f = FolderMan::instance()->folder(folder);
         if( f ) {
-            QString regexp = QString("^owncloud[s]*://.*/remote.php/webdav/%1/").arg(f->secondPath());
-            QRegExp re( regexp );
-            re.setMinimal(true);
-            shortFile.remove(re);
+            QString remotePathUrl = ownCloudInfo::instance()->webdavUrl() + QLatin1Char('/') + f->secondPath();
+            shortFile.remove(Utility::toCSyncScheme(remotePathUrl));
+
         }
     }
     return shortFile;

src/mirall/folder.cpp

@@ -43,19 +43,6 @@ void csyncLogCatcher(CSYNC *ctx,
   Logger::instance()->csyncLog( QString::fromUtf8(buffer) );
 }
 
-static QString replaceScheme(const QString &urlStr)
-{
-
-    QUrl url( urlStr );
-    if( url.scheme() == QLatin1String("http") ) {
-        url.setScheme( QLatin1String("owncloud") );
-    } else {
-        // connect SSL!
-        url.setScheme( QLatin1String("ownclouds") );
-    }
-    return url.toString();
-}
-
 Folder::Folder(const QString &alias, const QString &path, const QString& secondPath, QObject *parent)
     : QObject(parent)
       , _path(path)
@@ -92,7 +79,7 @@ Folder::Folder(const QString &alias, const QString &path, const QString& secondP
 
 bool Folder::init()
 {
-    QString url = replaceScheme(ownCloudInfo::instance()->webdavUrl() + secondPath());
+    QString url = Utility::toCSyncScheme(ownCloudInfo::instance()->webdavUrl() + secondPath());
     QString localpath = path();
 
     if( csync_create( &_csync_ctx, localpath.toUtf8().data(), url.toUtf8().data() ) < 0 ) {
@@ -596,10 +583,8 @@ void Folder::slotTransmissionProgress(const Progress::Info& progress)
     if(newInfo.current_file.startsWith(QLatin1String("ownclouds://")) ||
             newInfo.current_file.startsWith(QLatin1String("owncloud://")) ) {
         // rip off the whole ownCloud URL.
-        QString regexp = QString("^owncloud[s]*://.*/remote.php/webdav/%1/").arg(secondPath());
-        QRegExp re( regexp );
-        re.setMinimal(true);
-        newInfo.current_file.remove(re);
+        QString remotePathUrl = ownCloudInfo::instance()->webdavUrl() + secondPath();
+        newInfo.current_file.remove(Utility::toCSyncScheme(remotePathUrl));
     }
     QString localPath = path();
     if( newInfo.current_file.startsWith(localPath) ) {

src/mirall/owncloudinfo.cpp

@@ -608,6 +608,7 @@ QString ownCloudInfo::webdavUrl(const QString &connection)
         url = cfgFile.ownCloudUrl( connection );
     }
     url.append( QLatin1String( WEBDAV_PATH ) );
+    if (!url.endsWith('/')) url.append('/');
     return url;
 }
 

src/mirall/owncloudinfo.h

@@ -111,6 +111,7 @@ public:
     /**
      * returns the owncloud webdav url.
      * It may be different from the one in the config if there was a HTTP redirection
+     * The returned URL is guaranteed to end in a forward slash ('/')
      */
     QString webdavUrl(const QString& connection = QString());
 

src/mirall/utility.cpp

@@ -345,4 +345,17 @@ QString Utility::compactFormatDouble(double value, int prec, const QString& unit
     return str;
 }
 
+QString Utility::toCSyncScheme(const QString &urlStr)
+{
+
+    QUrl url( urlStr );
+    if( url.scheme() == QLatin1String("http") ) {
+        url.setScheme( QLatin1String("owncloud") );
+    } else {
+        // connect SSL!
+        url.setScheme( QLatin1String("ownclouds") );
+    }
+    return url.toString();
+}
+
 } // namespace Mirall

src/mirall/utility.h

@@ -32,6 +32,7 @@ namespace Utility
     bool hasLaunchOnStartup(const QString &appName);
     void setLaunchOnStartup(const QString &appName, const QString& guiName, bool launch);
     qint64 freeDiskSpace(const QString &path, bool *ok = 0);
+    QString toCSyncScheme(const QString &urlStr);
     /** Like QLocale::toString(double, 'f', prec), but drops trailing zeros after the decimal point */
 
     /**