#!/usr/local/bin/perl
#
# Directory list CGI by Hironori Sakamoto (hsaka@mth.biglobe.ne.jp)
#
if ( $^O =~ /^(ms)?(dos|win(32|nt)?)/i ) {
$WIN32 = 1;
$CYGPATH = 1;
}
elsif ( $^O =~ /cygwin|os2/i ) {
$WIN32 = 1;
$CYGPATH = 0;
}
else {
$WIN32 = 0;
$CYGPATH = 0;
}
$RC_DIR = '~/.w3m/';
$RC_DIR =~ s@^~/@$ENV{'HOME'}/@;
if ($CYGPATH) {
$RC_DIR = &cygwin_pathconv("$RC_DIR");
}
$CONFIG = "$RC_DIR/dirlist";
$CGI = $ENV{'SCRIPT_NAME'} || $0;
$CGI = "file://" . &file_encode("$CGI");
$AFMT = '<a href="%s"><nobr>%s</nobr></a>';
$NOW = time();
@OPT = &init_option($CONFIG);
$query = $ENV{'QUERY_STRING'};
$cmd = '';
$cgi = 0;
if ($query eq '') {
$_ = `pwd`;
chop;
s/\r$//;
$dir = $_;
$cgi = 0;
} elsif ($query =~ /^(opt\d+|dir|cmd)=/) {
foreach(split(/\&/, $query)) {
if (s/^dir=//) {
$dir = &form_decode($_);
} elsif (s/^opt(\d+)=//) {
$OPT[$1] = $_;
} elsif (s/^cmd=//) {
$cmd = $_;
}
}
$cgi = 1;
} else {
$dir = $query;
if (($dir !~ m@^/@) &&
($WIN32 && $dir !~ /^[a-z]:/i)) {
$_ = `pwd`;
chop;
s/\r$//;
$dir = "$_/$dir";
}
$cgi = -1;
}
if ($dir !~ m@/$@) {
$dir .= '/';
}
if ($dir =~ m@^/@ && $CYGPATH) {
$dir = &cygwin_pathconv("$dir");
}
$ROOT = '';
if ($WIN32) {
if (($dir =~ s@^//[^/]+@@) || ($dir =~ s@^[a-z]:@@i)) {
$ROOT = $&;
}
if ($CYGPATH) {
$ROOT = &cygwin_pathconv("$ROOT");
}
}
if ($cgi) {
$dir = &cleanup($dir);
}
$TYPE = $OPT[$OPT_TYPE];
$FORMAT = $OPT[$OPT_FORMAT];
$SORT = $OPT[$OPT_SORT];
if ($cmd) {
&update_option($CONFIG);
}
$qdir = "$ROOT" . &html_quote("$dir");
$edir = "$ROOT" . &file_encode("$dir");
if (! opendir(DIR, "$ROOT$dir")) {
print <<EOF;
Content-Type: text/html
<html>
<head>
<title>Directory list of $qdir</title>
</head>
<body>
<b>$qdir</b>: $! !
</body>
</html>
EOF
exit 1;
}
# ($cgi > 0) && print <<EOF;
# w3m-control: DELETE_PREVBUF
# EOF
print <<EOF;
Content-Type: text/html
<html>
<head>
<title>Directory list of $qdir</title>
</head>
<body>
<h1>Directory list of $qdir</h1>
EOF
&print_form($edir, @OPT);
print <<EOF;
<hr>
EOF
$dir =~ s@/$@@;
@sdirs = split('/', $dir);
$_ = $sdirs[0];
if ($_ eq '') {
$_ = '/';
}
if ($TYPE eq $TYPE_TREE) {
print <<EOF;
<table hborder width="640">
<tr valign=top><td width="160">
<pre>
EOF
$q = "$ROOT". &html_quote("$_");
$e = "$ROOT" . &file_encode("$_");
if ($dir =~ m@^$@) {
$n = "\" name=\"current";
} else {
$n = '';
}
printf("$AFMT\n", "$e$n", "<b>$q</b>");
$N = 0;
$SKIPLINE = "";
&left_dir('', @sdirs);
print <<EOF;
</pre>
</td><td width="400">
<pre>$SKIPLINE
EOF
} else {
print <<EOF;
<pre>
EOF
}
&right_dir($dir);
if ($TYPE eq $TYPE_TREE) {
print <<EOF;
</pre>
</td></tr>
</table>
</body>
</html>
EOF
} else {
print <<EOF;
</pre>
</body>
</html>
EOF
}
sub left_dir {
local($pre, $dir, @sdirs) = @_;
local($ok) = (@sdirs == 0);
local(@cdirs) = ();
local($_, $dir0, $d, $qdir, $q, $edir, $e);
$dir0 = "$dir/";
$dir = "$dir0";
opendir(DIR, "$ROOT$dir") || return;
foreach(sort readdir(DIR)) {
-d "$ROOT$dir$_" || next;
/^\.$/ && next;
/^\.\.$/ && next;
push(@cdirs, $_);
}
closedir(DIR);
$qdir = "$ROOT" . &html_quote($dir);
$edir = "$ROOT" . &file_encode($dir);
while(@cdirs) {
$_ = shift @cdirs;
$q = &html_quote($_);
$e = &file_encode($_);
$N++;
if (!$ok && $_ eq $sdirs[0]) {
$d = $dir0 . shift @sdirs;
if (!@sdirs) {
$n = "\" name=\"current";
$SKIPLINE = "\n" x $N;
} else {
$n = '';
}
printf("${pre}o-$AFMT\n", "$edir$e$n", "<b>$q</b>");
&left_dir(@cdirs ? "$pre| " : "$pre ", $d, @sdirs);
$ok = 1;
} else {
printf("${pre}+-$AFMT\n", "$edir$e", $q);
}
}
}
sub right_dir {
local($dir) = @_;
local(@list);
local($_, $qdir, $q, $edir, $e, $f, $max, @d, $type, $u, $g);
local($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
$atime,$mtime,$ctime,$blksize,$blocks);
local(%sizes, %ctimes, %prints);
$dir = "$dir/";
opendir(DIR, "$ROOT$dir") || return;
$qdir = "$ROOT" . &html_quote($dir);
$edir = "$ROOT" . &file_encode($dir);
if ($TYPE eq $TYPE_TREE) {
print "<b>$qdir</b>\n";
}
@list = ();
$max = 0;
foreach(readdir(DIR)) {
/^\.$/ && next;
# if ($TYPE eq $TYPE_TREE) {
# /^\.\.$/ && next;
# }
$f = "$ROOT$dir$_";
(($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
$atime,$mtime,$ctime,$blksize,$blocks) = lstat($f)) || next;
push(@list, $_);
$sizes{$_} = $size;
$ctimes{$_} = $ctime;
if ($FORMAT eq $FORMAT_COLUMN) {
if (length($_) > $max) {
$max = length($_);
}
next;
}
$type = &utype($mode);
if ($FORMAT eq $FORMAT_SHORT) {
$prints{$_} = sprintf("%-6s ", "[$type]");
next;
}
if ($type =~ /^[CB]/) {
$size = sprintf("%3u, %3u", ($rdev >> 8) & 0xff, $rdev & 0xffff00ff);
}
if ($FORMAT eq $FORMAT_LONG) {
$u = $USER{$uid} || ($USER{$uid} = getpwuid($uid) || $uid);
$g = $GROUP{$gid} || ($GROUP{$gid} = getgrgid($gid) || $gid);
$prints{$_} = sprintf( "%s %-8s %-8s %8s %s ",
&umode($mode), $u, $g, $size, &utime($ctime));
# } elsif ($FORMAT eq $FORMAT_STANDARD) {
} else {
$prints{$_} = sprintf("%-6s %8s %s ", "[$type]", $size, &utime($ctime));
}
}
closedir(DIR);
if ($SORT eq $SORT_SIZE) {
@list = sort { $sizes{$b} <=> $sizes{$a} || $a <=> $b } @list;
} elsif ($SORT eq $SORT_TIME) {
@list = sort { $ctimes{$b} <=> $ctimes{$a} || $a <=> $b } @list;
} else {
@list = sort @list;
}
if ($FORMAT eq $FORMAT_COLUMN) {
local($COLS, $l, $nr, $n);
if ($TYPE eq $TYPE_TREE) {
$COLS = 60;
} else {
$COLS = 80;
}
$l = int($COLS / ($max + 2)) || 1;
$nr = int($#list / $l + 1);
$n = 0;
print "<table>\n<tr valign=top>";
foreach(@list) {
$f = "$ROOT$dir$_";
$q = &html_quote($_);
$e = &file_encode($_);
if ($n % $nr == 0) {
print "<td>";
}
if (-d $f) {
printf($AFMT, "$edir$e", "$q/");
} else {
printf($AFMT, "$edir$e", $q);
}
$n++;
if ($n % $nr == 0) {
print "</td>\n";
} else {
print "<br>\n";
}
}
print "</tr></table>\n";
return;
}
foreach(@list) {
$f = "$ROOT$dir$_";
$q = &html_quote($_);
$e = &file_encode($_);
print $prints{$_};
if (-d $f) {
printf($AFMT, "$edir$e", "$q/");
} else {
printf($AFMT, "$edir$e", $q);
}
if (-l $f) {
print " -> ", &html_quote(readlink($f));
}
print "\n";
}
}
sub init_option {
local($config) = @_;
$OPT_TYPE = 0;
$OPT_FORMAT = 1;
$OPT_SORT = 2;
$TYPE_TREE = 't';
$TYPE_STANDARD = 'd';
$FORMAT_SHORT = 's';
$FORMAT_STANDARD = 'd';
$FORMAT_LONG = 'l';
$FORMAT_COLUMN = 'c';
$SORT_NAME = 'n';
$SORT_SIZE = 's';
$SORT_TIME = 't';
local(@opt) = ($TYPE_TREE, $FORMAT_STANDARD, $SORT_NAME);
local($_);
open(CONFIG, "< $config") || return @opt;
while(<CONFIG>) {
chop;
s/^\s+//;
tr/A-Z/a-z/;
if (/^type\s+(\S)/i) {
$opt[$OPT_TYPE] = $1;
} elsif (/^format\s+(\S)/i) {
$opt[$OPT_FORMAT] = $1
} elsif (/^sort\s+(\S)/i) {
$opt[$OPT_SORT] = $1;
}
}
close(CONFIG);
return @opt;
}
sub update_option {
local($config) = @_;
open(CONFIG, "> $config") || return;
print CONFIG <<EOF;
type $TYPE
format $FORMAT
sort $SORT
EOF
close(CONFIG);
}
sub print_form {
local($d, @OPT) = @_;
local(@disc) = ('Type', 'Format', 'Sort');
local(@val) = (
"('t', 'd')",
"('s', 'd', 'c')",
"('n', 's', 't')",
);
local(@opt) = (
"('Tree', 'Standard')",
"('Short', 'Standard', 'Column')",
"('By Name', 'By Size', 'By Time')"
);
local($_, @vs, @os, $v, $o);
print <<EOF;
<form action=\"$CGI\">
<center>
<table>
<tr valign=top>
EOF
foreach(0 .. 2) {
print "<td align> $disc[$_]</td>\n";
}
print "</tr><tr>\n";
foreach(0 .. 2) {
print "<td><select name=opt$_>\n";
eval "\@vs = $val[$_]";
eval "\@os = $opt[$_]";
foreach $v (@vs) {
$o = shift(@os);
if ($v eq $OPT[$_]) {
print "<option value=$v selected>$o\n";
} else {
print "<option value=$v>$o\n";
}
}
print "</select></td>\n";
}
print <<EOF;
<td><input type=submit name=cmd value="Update"></td>
</tr>
</table>
</center>
<input type=hidden name=dir value="$d">
</form>
EOF
}
sub html_quote {
local($_) = @_;
local(%QUOTE) = (
'<', '<',
'>', '>',
'&', '&',
'"', '"',
);
s/[<>&"]/$QUOTE{$&}/g;
return $_;
}
sub file_encode {
local($_) = @_;
s/[\000-\040\+:#?&%<>"\177-\377]/sprintf('%%%02X', unpack('C', $&))/eg;
return $_;
}
sub form_decode {
local($_) = @_;
s/\+/ /g;
s/%([\da-f][\da-f])/pack('C', hex($1))/egi;
return $_;
}
sub cleanup {
local($_) = @_;
s@//+@/@g;
s@/\./@/@g;
while(m@/\.\./@) {
s@^/(\.\./)+@/@;
s@/[^/]+/\.\./@/@;
}
return $_;
}
sub utype {
local($_) = @_;
local(%T) = (
0010000, 'PIPE',
0020000, 'CHR',
0040000, 'DIR',
0060000, 'BLK',
0100000, 'FILE',
0120000, 'LINK',
0140000, 'SOCK',
);
return $T{($_ & 0170000)} || 'FILE';
}
sub umode {
local($_) = @_;
local(%T) = (
0010000, 'p',
0020000, 'c',
0040000, 'd',
0060000, 'b',
0100000, '-',
0120000, 'l',
0140000, 's',
);
return ($T{($_ & 0170000)} || '-')
. (($_ & 00400) ? 'r' : '-')
. (($_ & 00200) ? 'w' : '-')
. (($_ & 04000) ? 's' :
(($_ & 00100) ? 'x' : '-'))
. (($_ & 00040) ? 'r' : '-')
. (($_ & 00020) ? 'w' : '-')
. (($_ & 02000) ? 's' :
(($_ & 00010) ? 'x' : '-'))
. (($_ & 00004) ? 'r' : '-')
. (($_ & 00002) ? 'w' : '-')
. (($_ & 01000) ? 't' :
(($_ & 00001) ? 'x' : '-'));
}
sub utime {
local($_) = @_;
local(@MON) = (
'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'
);
local($sec,$min,$hour,$mday,$mon,
$year,$wday,$yday,$isdst) = localtime($_);
if ($_ > $NOW - 182*24*60*60 && $_ < $NOW + 183*24*60*60) {
return sprintf("%3s %2d %.2d:%.2d", $MON[$mon], $mday, $hour, $min);
} else {
return sprintf("%3s %2d %5d", $MON[$mon], $mday, 1900+$year);
}
}
sub cygwin_pathconv {
local($_) = @_;
local(*CYGPATH);
open(CYGPATH, '-|') or exec('cygpath', '-w', $_);
$_ = <CYGPATH>;
close(CYGPATH);
s/\r?\n$//;
s!\\!/!g;
s!/$!!;
return $_;
}
