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From Peter Whiting <p...@whitings.org>
Subject mod_autoindex/7446: per image thumbnails for icons in autoindex
Date Wed, 21 Mar 2001 15:36:34 GMT

>Number:         7446
>Category:       mod_autoindex
>Synopsis:       per image thumbnails for icons in autoindex
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    apache
>State:          open
>Class:          change-request
>Submitter-Id:   apache
>Arrival-Date:   Wed Mar 21 07:40:04 PST 2001
>Originator:     pete@whitings.org
>Release:        1.3.19
Linux tiny 2.2.14-5.0 #1 Tue Mar 7 20:53:41 EST 2000 i586 unknown
I modified mod_autoindex to use, as icons, thumbnails of each image.

demo at: http://fury.ittc.ukans.edu:8080/demo/

The config for this looks like:
AddIconByType (IMG,/cgi-bin/thumb?%s) image/*

if you cgi script is cooler than mine:
AddIconByType (IMG,/cgi-bin/coolthumb?file=%s&size=100x100) image/*

Basically, if you put a %s in the icon name, it will be replaced with
the filename.  Ugly hack - just use sprintf.

*** mod_autoindex.c     Wed Mar 21 09:02:59 2001
--- mod_autoindex.c.orig        Mon Jan 15 11:05:38 2001
*** 763,774 ****
                        if (content_type
                            && !ap_strcasecmp_match(content_type,
                                                    p->apply_to)) {
-                             if(strstr(p->data,"%s")) {
-                               int n=strlen(p->data)+strlen(r->uri)+2;
-                               char *tn = (char *)ap_pcalloc(r->main->pool,n); 
-                               ap_snprintf(tn,n-1,p->data,r->uri);
-                               return tn;
-                             }
                            return p->data;
--- 763,768 ----

Here is my thumb cgi script.  Let me know if it has massive security flaws,
as I expect it does...

exit if /(\.\.)|\;|\&|\|/; # only should allow normal filenames
$file="thumb_$_"; #cache this thing
system("convert -geometry 100 \"$dir/$_\" \"$file\"") if not -f $file;
print "Content-type: image/jpeg\n\n";
print `cat $file`; 
see above
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