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/* This is a roxen module. Copyright 1996 - 1998, Idonex AB, (c) Idonex AB 1998
*
* A fast directory module, without support for the fold/unfold stuff
* in the normal one.
*/
constant cvs_version = "$Id: fastdir.pike,v 1.12 1998/03/11 19:42:35 neotron Exp $";
int thread_safe=1;
#include <module.h>
inherit "module";
inherit "roxenlib";
/************** Generic module stuff ***************/
array register_module()
{
return ({ MODULE_DIRECTORIES,
"Fast directory module",
"This is a _fast_ directory parsing module. "
"Basically, this one just prints the list of files.",
({ }),
1
});
}
void create()
{
defvar("indexfiles", ({ "index.html", "Main.html", "welcome.html", }),
"Index files", TYPE_STRING_LIST,
"If one of these files is present in a directory, it will "
"be returned instead of 'no such file'.");
defvar("readme", 1, "Include readme files", TYPE_FLAG,
"If set, include readme files in directory listings");
defvar("override", 0, "Allow directory index file overrides", TYPE_FLAG,
"If this variable is set, you can get a listing of all files "
"in a directory by appending '.' or '/' to the directory name, like "
"this: <a href=http://www.roxen.com//>http://www.roxen.com//</a>"
". It is _very_ useful for debugging, but some people regard it as a "
"security hole.");
}
/* Module specific stuff */
#define TYPE_MP " Module location"
#define TYPE_DIR " Directory"
inline string image(string f)
{
return ("<img border=0 src="+(f)+" alt=>");
}
inline string link(string a, string b)
{
return ("<a href="+replace(b, ({ "//", "#" }), ({ "/", "%23" }))
+">"+a+"</a>");
}
string find_readme(string path, object id)
{
string rm, f;
object n;
foreach(({ "README.html", "README" }), f)
{
rm=roxen->try_get_file(path+f, id);
if(rm) if(f[-1] == 'l')
return "<hr noshade>"+rm;
else
return "<pre><hr noshade>"+
replace(rm, ({"<",">","&"}), ({"<",">","&"}))+"</pre>";
}
return "";
}
string head(string path,object id)
{
string rm="";
if(QUERY(readme))
rm=find_readme(path,id);
return ("<h1>Directory listing of "+path+"</h1>\n<p>"+rm
+"<pre>\n<hr noshade>");
}
string describe_dir_entry(string path, string filename, array stat)
{
string type, icon;
int len;
if(!stat)
return "";
switch(len=stat[1])
{
case -3:
type = TYPE_MP;
icon = "internal-gopher-menu";
filename += "/";
break;
case -2:
type = TYPE_DIR;
filename += "/";
icon = "internal-gopher-menu";
break;
default:
array tmp;
tmp = roxen->type_from_filename(filename, 1);
if(!tmp)
tmp=({ "Unknown", 0 });
type = tmp[0];
icon = image_from_type(type);
if(tmp[1]) type += " " + tmp[1];
}
return sprintf("%s %s %8s %-20s\n",
link(image(icon), http_encode_string(path + filename)),
link(sprintf("%-35s", filename[0..34]),
http_encode_string(path + filename)),
sizetostring(len), type);
}
static private string key;
void start()
{
key="file:"+roxen->current_configuration->name;
}
string new_dir(string path, object id)
{
int i;
array files;
string fname;
files = roxen->find_dir(path, id);
if(!files) return "<h1>There is no such directory.</h1>";
sort(files);
for(i=0; i<sizeof(files) ; i++)
{
fname = replace(path+files[i], "//", "/");
files[i] = describe_dir_entry(path,files[i],roxen->stat_file(fname, id));
}
return files * "";
}
mapping parse_directory(object id)
{
string f;
string dir;
array indexfiles;
f=id->not_query;
if(strlen(f) > 1)
{
if(!((f[-1] == '/') ||
(QUERY(override) && (f[-1] == '.') && (f[-2] == '/'))))
return http_redirect(id->not_query+"/", id);
} else {
if(f != "/" )
return http_redirect(id->not_query+"/", id);
}
// At this point the last character is either
// a '.' in which case we should give a directory listing,
// or a '/' in which case we should search for an index-file.
if(f[-1] == '/') /* Handle indexfiles */
{
string file;
foreach(query("indexfiles") - ({""}), file) {
if(roxen->stat_file(f+file, id))
{
id->not_query = f + file;
mapping got = roxen->get_file(id);
if (got) {
return(got);
}
}
}
// Restore the old query.
id->not_query = f;
}
if (f[-1] == '.') {
// Remove the override '.'.
f = f[..sizeof(f)-2];
}
if(id->pragma["no-cache"] || !(dir = cache_lookup(key, f))) {
cache_set(key, f, dir=new_dir(f, id));
}
return http_string_answer(head(f, id) + dir);
}
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