httplookup.cpp

/*
    SPDX-FileCopyrightText: 2002 Rik Hemsley (  rikkus ) <rik@kde.org>
    SPDX-FileCopyrightText: 2002 Benjamin Meyer <ben-devel@meyerhome.net>
    SPDX-FileCopyrightText: 2002 Nadeem Hasan <nhasan@kde.org>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#include "httplookup.h"
 
#include <QUrlQuery>
 
namespace KCDDB
{
  HTTPLookup::HTTPLookup()
    : Lookup(),
      block_( true ), state_( Idle ), result_( Success )
  {
  }
 
  HTTPLookup::~HTTPLookup()
  {
  }
 
    Result
  HTTPLookup::sendQuery()
  {
      QString cmd = QString::fromLatin1( "cddb query %1 %2" )
      .arg( trackOffsetListToId(), trackOffsetListToString() ) ;
 
    makeURL( cmd );
    Result result = fetchURL();
 
    return result;
  }
 
    Result
  HTTPLookup::sendRead( const CDDBMatch & match )
  {
    category_  = match.first;
    discid_    = match.second;
 
    QString cmd = QString::fromLatin1( "cddb read %1 %2" )
        .arg( category_, discid_ );
 
    makeURL( cmd );
    Result result = fetchURL();
 
    return result;
  }
 
    void
  HTTPLookup::initURL( const QString & hostName, uint port )
  {
    cgiURL_.setScheme( QLatin1String( "http" ) );
    cgiURL_.setHost( hostName );
    cgiURL_.setPort( port );
    cgiURL_.setPath( QLatin1String( "/~cddb/cddb.cgi" ) );
 
    return;
  }
 
    void
  HTTPLookup::makeURL( const QString & cmd )
  {
    QString hello = QString::fromLatin1("%1 %2 %3 %4")
        .arg(user_, localHostName_, clientName(), clientVersion());
 
    // The whole query has to constructed each time as the
    // CDDB CGI script expects the parameters in strict order
    QUrlQuery query;
    query.addQueryItem( QLatin1String( "cmd" ), cmd );
    query.addQueryItem( QLatin1String( "hello" ), hello );
    query.addQueryItem( QLatin1String( "proto" ), QLatin1String( "6" ) );
    cgiURL_.setQuery( query );
  }
 
    void
  HTTPLookup::jobFinished()
  {
    QStringList lineList = QString::fromUtf8(data_).split( QLatin1String( "\n" ), Qt::SkipEmptyParts );
    QStringList::ConstIterator it = lineList.constBegin();
 
    switch ( state_ )
    {
      case WaitingForQueryResponse:
 
        if ( it != lineList.constEnd() )
        {
          QString line( *it );
 
          result_ = parseQuery( line );
 
          switch ( result_ )
          {
            case Success:
 
              if ( !block_ )
                Q_EMIT queryReady();
              break;
 
            case MultipleRecordFound:
 
              ++it;
              while ( it != lineList.constEnd() )
              {
                QString line( *it );
 
                if ( QLatin1Char( '.' ) == line[ 0 ] )
                {
                  result_ = Success;
 
                  if ( !block_ )
                    Q_EMIT queryReady();
                  break;
                }
 
                parseExtraMatch( line );
                ++it;
              }
 
              break;
 
            case ServerError:
            case NoRecordFound:
              if ( !block_ )
                Q_EMIT queryReady();
 
              return;
              break;
 
            default:
 
              break;
          }
 
        }
 
        break;
 
      case WaitingForReadResponse:
 
        {
          CDInfo info;
 
          if ( info.load( QString::fromUtf8(data_) ) )
          {
            info.set( QLatin1String( "category" ), category_ );
            info.set( QLatin1String( "discid" ), discid_ );
            info.set( QLatin1String( "source" ), QLatin1String( "freedb" ) );
            cdInfoList_.append( info );
          }
 
          if ( !block_ )
            Q_EMIT readReady();
        }
 
        return;
 
        break;
 
      default:
 
        break;
    }
 
    result_ = Success;
  }
}
 
#include "moc_httplookup.cpp"
 
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