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// This is a roxen module. Copyright 1996 - 1998, Idonex AB.
string cvs_version = "$Id: mountserver.pike,v 1.4 1998/03/11 19:42:45 neotron Exp $";
// Mounts a virtual server on a location in the virtual filesystem of
// another one (or, infact, the same one, but that is probably quite
// useless).
#include <module.h>
#define TYPE_SERVER TYPE_STRING
#define DEBUG
inherit "module";
mixed *register_module()
{
return ({
MODULE_LOCATION,
"Server as a filesystem",
("This module enables you to mount a virtual server as a filesystem. "
"")
});
}
void create()
{
defvar("server", "NONE", "Server", TYPE_SERVER,
"The virtual server to mount.");
defvar("mountpoint", "NONE", "Mount point", TYPE_LOCATION,
"The mountpoint in the namespace of this virtual server.");
}
string fmts;
object config;
string query_location() { return QUERY(mountpoint); }
object find_configuration( string what )
{
object c;
foreach(roxen->configurations, c)
if(objectp(c))
if(lower_case(c->name) == lower_case(what))
return c;
}
array find_dir( string f, object id )
{
mixed res;
object oc;
string oq;
if(!config) config = find_configuration( query("server") );
oq = id->not_query;
oc = id->conf;
id->not_query = f;
id->conf = config;
res = roxen->find_dir( f, id );
id->not_query = oq;
id->conf = oc;
#ifdef DEBUG
if(res)
perror(sprintf("find_dir:: %s == %{%s, %}\n",f,res));
else
perror(sprintf("find_dir:: %s No such dir.\n",f));
#endif
return res;
}
array stat_file( string f, object id )
{
mixed res;
object oc;
string oq;
if(!config)
config = find_configuration( query("server") );
oq = id->not_query;
oc = id->conf;
id->not_query = f;
id->conf = config;
res = roxen->stat_file( f, id );
id->not_query = oq;
id->conf = oc;
#ifdef DEBUG
if(arrayp(res))
perror(sprintf("stat_file:: %s; res = %{%O, %}\n",f,res));
else
perror("stat_file:: "+f+", no such file\n");
#endif
return res;
}
array real_file( string f, object id )
{
mixed res;
object oc;
string oq;
if(!config)
config = find_configuration( query("server") );
oq = id->not_query;
oc = id->conf;
id->not_query = f;
id->conf = config;
res = roxen->real_file( f, id );
id->not_query = oq;
id->conf = oc;
#ifdef DEBUG
perror(sprintf("real_file:: Location = %s; LocalLocation = %s; res = %O\n",oq,f,res));
#endif
return res;
}
string mp;
void start()
{
if(strlen(mp=query("mountpoint")))
{
if(query("mountpoint")[-1] == '/')
{
mp = mp[..strlen(mp)-2];
set("mountpoint", mp);
}
}
config = find_configuration( query("server") );
}
inline nomask private static string tags(mapping from)
{
string t, res="";
foreach(indices(from), t)
res += " " + t+"=\""+from[t]+"\"";
return res;
}
inline nomask private static string fix_it(string from)
{
string pre;
if(strlen(from) && from[0]=='/' && search(from, mp))
{
if(sscanf(from, "/<%s>%s", pre, from)==2)
{
if(search(from, mp))
{
if(pre)
return "/<"+pre+">" + mp + from;
} else
from = "/<"+pre+">/" + from;
}
if(sscanf(from, "/(%s)%s", pre, from)==2)
{
if(search(from, mp))
{
if(pre)
return "/("+pre+")" + mp + from;
} else
from = "/("+pre+")/" + from;
}
return QUERY(mountpoint) + from;
}
return from;
}
string do_href(string t, mapping m)
{
if(m->__parsed) return 0;
if(!m->href) return 0;
m->__parsed="yes";
m->href = fix_it(m->href);
return "<"+t+tags(m)+">";
}
string do_src(string t, mapping m)
{
if(m->__parsed) return 0;
if(!m->src) return 0;
m->__parsed="yes";
m->src = fix_it(m->src);
return "<"+t+tags(m)+">";
}
string do_action(string t, mapping m)
{
if(m->__parsed) return 0;
if(!m->action) return 0;
m->__parsed="yes";
m->action = fix_it(m->action);
return "<"+t+tags(m)+">";
}
string do_background(string t, mapping m)
{
if(m->__parsed) return 0;
if(!m->background) return 0;
m->__parsed="yes";
m->background = fix_it(m->background);
return "<"+t+tags(m)+">";
}
string fix_absolute(string from)
{
string data;
if ((data = parse_html(from, ([ "base":do_href ]), ([]))) == from) {
return parse_html(from, ([ "a":do_href, "img":do_src, "form":do_action,
"input":do_src, "body":do_background ]), ([]));
} else {
return data;
}
}
mapping find_file(string f, object id)
{
mapping res;
object oc;
string oq;
if(!config)
config = find_configuration( query("server") );
if(!config) return 0;
oq = id->not_query;
oc = id->conf;
id->not_query = f;
id->conf = config;
res = roxen->get_file( id, 1 );
id->not_query = oq;
id->conf = oc;
#ifdef DEBUG
perror(sprintf("find_file:: Location = %s; LocalLocation = %s; res = %O\n",oq,f,res));
#endif
if(intp(res)) return res;
if(mappingp(res) && res->data)
res->data = fix_absolute( res->data );
roxen->current_configuration = oc;
return res;
}
string comment()
{
return "The server "+QUERY(server)+" mounted on "+QUERY(mountpoint);
}
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