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/* mime.cpp
* Copyright (C) 2003 Tommi Maekitalo
*
* 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) any later version.
*
* This program is distributed in the hope that it will be useful, but
* is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
* NON-INFRINGEMENT. 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <tnt/component.h>
#include <tnt/componentfactory.h>
#include <tnt/httprequest.h>
#include <tnt/httpreply.h>
#include <tnt/http.h>
#include <tnt/tntconfig.h>
#include <tnt/comploader.h>
#include <tnt/mimedb.h>
#include <cxxtools/log.h>
log_define("tntnet.mime")
namespace tnt
{
class Urlmapper;
class Comploader;
////////////////////////////////////////////////////////////////////////
// componentdeclaration
//
class Mime : public tnt::Component
{
friend class MimeFactory;
public:
static const std::string ConfigDefaultType;
static const std::string ConfigAddType;
private:
typedef tnt::MimeDb mime_map_type;
static mime_map_type mime_map;
static std::string default_type;
public:
Mime()
{ }
virtual unsigned operator() (tnt::HttpRequest& request,
tnt::HttpReply& reply, cxxtools::QueryParams& qparam);
virtual void drop();
static void setDefaultType(const std::string& type)
{ default_type = type; }
static const std::string& getDefaultType()
{ return default_type; }
static void addType(const std::string& type, const std::string& ext)
{ mime_map.insert(mime_map_type::value_type(ext, type)); }
static void readMimeDb(const std::string& file)
{ mime_map.read(file); }
};
////////////////////////////////////////////////////////////////////////
// configurator-functor
//
class MimeConfigurator
{
public:
void operator() (const tnt::Tntconfig::config_entry_type& entry)
{
if (entry.key == Mime::ConfigDefaultType)
{
if (entry.params.size() >= 1)
{
if (!Mime::getDefaultType().empty())
log_warn("DefaultType already set");
else
{
log_debug("DefaultType " << entry.params[0]);
Mime::setDefaultType(entry.params[0]);
}
}
else
{
log_warn("missing parameter in DefaultType");
}
}
else if (entry.key == Mime::ConfigAddType)
{
if (entry.params.size() >= 2)
{
for (tnt::Tntconfig::params_type::size_type i = 1;
i < entry.params.size(); ++i)
{
log_debug("AddType \"" << entry.params[0]
<< "\" \"" << entry.params[i] << '"');
Mime::addType(entry.params[0], entry.params[i]);
}
}
else
{
log_warn("missing parameter in AddType");
}
}
}
};
////////////////////////////////////////////////////////////////////////
// factory
//
class MimeFactory : public tnt::SingletonComponentFactory
{
public:
MimeFactory(const std::string& componentName)
: tnt::SingletonComponentFactory(componentName)
{ }
virtual tnt::Component* doCreate(const tnt::Compident& ci,
const tnt::Urlmapper& um, tnt::Comploader& cl);
virtual void doConfigure(const tnt::Tntconfig& config);
};
tnt::Component* MimeFactory::doCreate(const tnt::Compident&,
const tnt::Urlmapper&, tnt::Comploader&)
{
return new Mime();
}
void MimeFactory::doConfigure(const tnt::Tntconfig& config)
{
std::string mimeDb = config.getValue("MimeDb", "/etc/mime.types");
Mime::readMimeDb(mimeDb);
std::for_each(config.getConfigValues().begin(),
config.getConfigValues().end(),
MimeConfigurator());
}
TNT_COMPONENTFACTORY(mime, MimeFactory)
////////////////////////////////////////////////////////////////////////
// componentdefinition
//
const std::string Mime::ConfigDefaultType = "DefaultType";
const std::string Mime::ConfigAddType = "AddType";
Mime::mime_map_type Mime::mime_map;
std::string Mime::default_type = "text/html";
unsigned Mime::operator() (tnt::HttpRequest& request,
tnt::HttpReply& reply, cxxtools::QueryParams& qparams)
{
std::string path = request.getPathInfo();
if (request.getArgs().size() > 0)
reply.setContentType(request.getArg(0));
else
{
for (mime_map_type::const_iterator it = mime_map.begin();
it != mime_map.end(); ++it)
{
std::string ext = it->first;
if (path.size() > ext.size()
&& (path.at(path.size() - ext.size() - 1) == '.'
|| ext.size() > 0 && ext.at(0) == '.')
&& path.compare(path.size() - ext.size(), ext.size(), ext) == 0)
{
log_debug("url-path=\"" << path << "\" type=" << it->second);
log_info("content-type " << it->second);
reply.setContentType(it->second);
return DECLINED;
}
}
log_warn("unknown type in url-path \"" << path << "\" set DefaultType " << default_type);
log_info("content-type " << default_type);
reply.setContentType(default_type);
}
// we do not produce any content, so we should pass the request
// to the next handler:
return DECLINED;
}
void Mime::drop()
{
factory.drop(this);
}
}
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