#ifndef lint
static char rcsid[] = "@(#$Id: mimehandler.cpp,v 1.20 2006-12-15 12:40:02 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
/*
* 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 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, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <iostream>
#include <string>
using namespace std;
#include "mimehandler.h"
#include "debuglog.h"
#include "rclconfig.h"
#include "smallut.h"
#include "mh_exec.h"
#include "mh_html.h"
#include "mh_mail.h"
#include "mh_mbox.h"
#include "mh_text.h"
#include "mh_unknown.h"
/** Create internal handler object appropriate for given mime type */
static Dijon::Filter *mhFactory(const string &mime)
{
if (!stringlowercmp("text/plain", mime))
return new MimeHandlerText("text/plain");
else if (!stringlowercmp("text/html", mime))
return new MimeHandlerHtml("text/html");
else if (!stringlowercmp("text/x-mail", mime))
return new MimeHandlerMbox("text/x-mail");
else if (!stringlowercmp("message/rfc822", mime))
return new MimeHandlerMail("message/rfc822");
else
return new MimeHandlerUnknown("application/octet-stream");
}
/**
* Return handler object for given mime type:
*/
Dijon::Filter *getMimeHandler(const string &mtype, RclConfig *cfg)
{
// Get handler definition for mime type
string hs;
if (!mtype.empty())
hs = cfg->getMimeHandlerDef(mtype);
if (!hs.empty()) {
// Break definition into type and name
list<string> toks;
stringToStrings(hs, toks);
if (toks.empty()) {
LOGERR(("getMimeHandler: bad mimeconf line for %s\n",
mtype.c_str()));
return 0;
}
// Retrieve handler function according to type
list<string>::iterator it = toks.begin();
if (!stringlowercmp("internal", *it)) {
return mhFactory(mtype);
} else if (!stringlowercmp("dll", *it)) {
} else if (!stringlowercmp("exec", *it)) {
if (toks.size() < 2) {
LOGERR(("getMimeHandler: bad line for %s: %s\n",
mtype.c_str(), hs.c_str()));
return 0;
}
MimeHandlerExec *h = new MimeHandlerExec(mtype.c_str());
it++;
h->params.push_back(cfg->findFilter(*it++));
h->params.insert(h->params.end(), it, toks.end());
return h;
}
}
// We are supposed to get here if there was no specific error, but
// there is no identified mime type, or no handler
// associated. These files are either ignored or their name is
// indexed, depending on configuration
bool indexunknown = false;
cfg->getConfParam("indexallfilenames", &indexunknown);
if (indexunknown) {
LOGDEB(("getMimeHandler: returning MimeHandlerUnknown\n"));
return new MimeHandlerUnknown("application/octet-stream");
} else {
return 0;
}
}
/// Can this mime type be interned (according to config) ?
bool canIntern(const std::string mtype, RclConfig *cfg)
{
if (mtype.empty())
return false;
string hs = cfg->getMimeHandlerDef(mtype);
if (hs.empty())
return false;
return true;
}