Coro/myhttpd/diridx.pl

use List::Util qw(sum);

use Storable ();

my $SD_VERSION = 1;

my $ignore = qr/ ^(?:robots.txt$|\.) /x;

our %diridx;

if ($db_env) {
   tie %diridx, BerkeleyDB::Hash,
       -Env => $db_env,
       -Filename => "directory",
       -Flags => DB_CREATE,
          or die "unable to create database index";
}

sub conn::gen_statdata {
   my $self = shift;
   my $data;
   
   {
      my $path = "";
      my $prefix = "";

      for ("http://".$self->server_hostport, split /\//, substr $self->{name}, 1) {
         next if $_ eq ".";
         $path .= "<a href='".escape_uri("$prefix$_")."/'>$_</a> / ";
         $prefix .= "$_/";
      }
      $data->{path} = $path;
   }

   sub read_file {
      local ($/, *X);
      (open X, "<$_[0]\x00") ? <X> : ();
   }

   {
      my $path = $self->{path};
      do {
         $data->{top} ||= read_file "$path.dols/top";
         $data->{bot} ||= read_file "$path.dols/bot";
         $path =~ s/[^\/]*\/+$//
            or die "malformed path: $path";
      } while $path ne "";
   }

   local *DIR;
   if (opendir DIR, $self->{path}) {
      my $dlen = 0;
      my $flen = 0;
      my $slen = 0;
      for (sort readdir DIR) {
         next if /$ignore/;
         stat "$self->{path}$_";
         if (-d _) {
            next unless 0555 == ((stat _)[2] & 0555);
            $dlen = length $_ if length $_ > $dlen;
            push @{$data->{d}}, $_;
         } else {
            next unless 0444 == ((stat _)[2] & 0444);
            my $s = -s _;
            $flen = length $_ if length $_ > $dlen;
            $slen = length $s if length $s > $dlen;
            push @{$data->{f}}, [$_, $s];
         }
      }
      $data->{dlen} = $dlen;
      $data->{flen} = $flen;
      $data->{slen} = $slen;
   }

   $data;
}

sub conn::get_statdata {
   my $self = shift;

   my $mtime = $self->{stat}[9];

   $statdata = $diridx{$self->{path}};

   if (defined $statdata) {
      $$statdata = Storable::thaw $statdata;
      return $$statdata
         if $$statdata->{version} == $SD_VERSION
            && $$statdata->{mtime} == $mtime;
   }

   $self->slog(8, "creating index cache for $self->{path}");

   $$statdata = $self->gen_statdata;
   $$statdata->{version} = $SD_VERSION;
   $$statdata->{mtime}   = $mtime;

   $diridx{$self->{path}} = Storable::freeze $$statdata;
   (tied %diridx)->db_sync;

   $$statdata;
}

sub conn::diridx {
   my $self = shift;

   my $data = $self->get_statdata;

   my $uptime = int (time - $::starttime);
   $uptime = sprintf "%02dd %02d:%02d",
                     int ($uptime / (60 * 60 * 24)),
                     int ($uptime / (60 * 60)) % 24,
                     int ($uptime / 60) % 60;
   
   my $stat;
   if ($data->{dlen}) {
      $stat .= "<table><tr><th>Directories</th></tr>";
      $data->{dlen} += 1;
      my $cols = int ((79 + $data->{dlen}) / $data->{dlen});
      $cols = @{$data->{d}} if @{$data->{d}} < $cols;
      my $col = $cols;
      for (@{$data->{d}}) {
         if (++$col >= $cols) {
            $stat .= "<tr>";
            $col = 0;
         }
         if ("$self->{path}$_" =~ $conn::blockuri{$self->{country}}) {
            $stat .= "<td>$_ ";
         } else {
            $stat .= "<td><a href='".escape_uri("$_/")."'>$_</a> ";
         }
      }
      $stat .= "</table>";
   }
   if ($data->{flen}) {
      $data->{flen} += 1 + $data->{slen} + 1 + 3;
      my $cols = int ((79 + $data->{flen}) / $data->{flen});
      $cols = @{$data->{f}} if @{$data->{f}} < $cols;
      my $col = $cols;
      $stat .= "<table><tr>". ("<th align='left'>File<th>Size<th>&nbsp;" x $cols);
      for (@{$data->{f}}) {
         if (++$col >= $cols) {
            $stat .= "<tr>";
            $col = 0;
         }
         $stat .= "<td><a href='".escape_uri($_->[0])."'>$_->[0]</a><td align='right'>$_->[1]<td>&nbsp;";
      }
      $stat .= "</table>";
   }

   my $waiters = sprintf "%d/%d", $::transfers[0][0]->waiters+0, $::transfers[1][0]->waiters+0;
   my $avgtime = sprintf "%d/%d second(s)", $::transfers[0][1], $::transfers[1][1];

   <<EOF;
<html>
<head><title>$self->{uri}</title></head>
<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
<h1>$data->{path}</h1>
$data->{top}
<small><div align="right">
         <tt>$self->{remote_id}/$self->{country} - $::conns connection(s) - uptime $uptime - myhttpd/$VERSION
</tt></div></small>
<hr />
clients waiting for data transfer: $waiters<br />
average waiting time until transfer starts: $avgtime <small>(adjust your timeout values)</small><br />
<hr />
$stat
$data->{bot}
</body>
</html>
EOF
}

sub handle_redirect { # unused
   if (-f ".redirect") {
      if (open R, "<.redirect") {
         while (<R>) {
            if (/^(?:$host$port)$uri([^ \tr\n]*)[ \t\r\n]+(.*)$/) {
               my $rem = $1;
               my $url = $2;
               print $nph ? "HTTP/1.0 302 Moved\n" : "Status: 302 Moved\n";
               print <<EOF;
Location: $url
Content-Type: text/html

<html>
<head><title>Page Redirection to $url</title></head>
<meta http-equiv="refresh" content="0;URL=$url">
</head>
<body text="black" link="#1010C0" vlink="#101080" alink="red" bgcolor="white">
<large>
This page has moved to $url.<br />
<a href="$url">
The automatic redirection has failed. Please try a <i>slightly</i>
newer browser next time, and in the meantime <i>please</i> follow this link ;)
</a>
</large>
</body>
</html>
EOF
            }
         }
      }
   }
}

1;
Revision:	1.15
Committed:	Mon Sep 10 22:16:20 2001 UTC (22 years, 10 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.14:	+2 -1 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.12	use List::Util qw(sum);
2
3	root	1.1	use Storable ();
4
5			my $SD_VERSION = 1;
6
7			my $ignore = qr/ ^(?:robots.txt$\|\.) /x;
8
9	root	1.9	our %diridx;
10
11	root	1.10	if ($db_env) {
12			tie %diridx, BerkeleyDB::Hash,
13			-Env => $db_env,
14			-Filename => "directory",
15			-Flags => DB_CREATE,
16			or die "unable to create database index";
17	root	1.9	}
18
19	root	1.1	sub conn::gen_statdata {
20			my $self = shift;
21			my $data;
22
23			{
24			my $path = "";
25			my $prefix = "";
26
27			for ("http://".$self->server_hostport, split /\//, substr $self->{name}, 1) {
28			next if $_ eq ".";
29	root	1.7	$path .= "<a href='".escape_uri("$prefix$_")."/'>$_</a> / ";
30	root	1.1	$prefix .= "$_/";
31			}
32			$data->{path} = $path;
33			}
34
35			sub read_file {
36			local ($/, *X);
37			(open X, "<$_[0]\x00") ? <X> : ();
38			}
39
40			{
41			my $path = $self->{path};
42			do {
43			$data->{top} \|\|= read_file "$path.dols/top";
44			$data->{bot} \|\|= read_file "$path.dols/bot";
45			$path =~ s/[^\/]*\/+$//
46			or die "malformed path: $path";
47			} while $path ne "";
48			}
49
50			local *DIR;
51			if (opendir DIR, $self->{path}) {
52			my $dlen = 0;
53			my $flen = 0;
54			my $slen = 0;
55			for (sort readdir DIR) {
56			next if /$ignore/;
57			stat "$self->{path}$_";
58			if (-d _) {
59	root	1.15	next unless 0555 == ((stat _)[2] & 0555);
60	root	1.1	$dlen = length $_ if length $_ > $dlen;
61	root	1.9	push @{$data->{d}}, $_;
62	root	1.1	} else {
63	root	1.15	next unless 0444 == ((stat _)[2] & 0444);
64	root	1.1	my $s = -s _;
65			$flen = length $_ if length $_ > $dlen;
66			$slen = length $s if length $s > $dlen;
67	root	1.9	push @{$data->{f}}, [$_, $s];
68	root	1.1	}
69			}
70	root	1.9	$data->{dlen} = $dlen;
71			$data->{flen} = $flen;
72			$data->{slen} = $slen;
73	root	1.1	}
74
75			$data;
76			}
77
78			sub conn::get_statdata {
79			my $self = shift;
80
81			my $mtime = $self->{stat}[9];
82
83	root	1.9	$statdata = $diridx{$self->{path}};
84	root	1.6
85	root	1.9	if (defined $statdata) {
86			$$statdata = Storable::thaw $statdata;
87			return $$statdata
88			if $$statdata->{version} == $SD_VERSION
89			&& $$statdata->{mtime} == $mtime;
90	root	1.1	}
91
92			$self->slog(8, "creating index cache for $self->{path}");
93
94	root	1.6	$$statdata = $self->gen_statdata;
95			$$statdata->{version} = $SD_VERSION;
96	root	1.9	$$statdata->{mtime} = $mtime;
97	root	1.1
98	root	1.9	$diridx{$self->{path}} = Storable::freeze $$statdata;
99	root	1.11	(tied %diridx)->db_sync;
100	root	1.1
101	root	1.6	$$statdata;
102	root	1.1	}
103
104			sub conn::diridx {
105			my $self = shift;
106
107			my $data = $self->get_statdata;
108	root	1.5
109			my $uptime = int (time - $::starttime);
110			$uptime = sprintf "%02dd %02d:%02d",
111			int ($uptime / (60 * 60 * 24)),
112			int ($uptime / (60 * 60)) % 24,
113			int ($uptime / 60) % 60;
114	root	1.1
115	root	1.9	my $stat;
116			if ($data->{dlen}) {
117			$stat .= "<table><tr><th>Directories</th></tr>";
118			$data->{dlen} += 1;
119			my $cols = int ((79 + $data->{dlen}) / $data->{dlen});
120			$cols = @{$data->{d}} if @{$data->{d}} < $cols;
121			my $col = $cols;
122			for (@{$data->{d}}) {
123			if (++$col >= $cols) {
124			$stat .= "<tr>";
125			$col = 0;
126			}
127			if ("$self->{path}$_" =~ $conn::blockuri{$self->{country}}) {
128			$stat .= "<td>$_ ";
129			} else {
130			$stat .= "<td><a href='".escape_uri("$_/")."'>$_</a> ";
131			}
132			}
133			$stat .= "</table>";
134			}
135			if ($data->{flen}) {
136			$data->{flen} += 1 + $data->{slen} + 1 + 3;
137			my $cols = int ((79 + $data->{flen}) / $data->{flen});
138			$cols = @{$data->{f}} if @{$data->{f}} < $cols;
139			my $col = $cols;
140			$stat .= "<table><tr>". ("<th align='left'>File<th>Size<th> " x $cols);
141			for (@{$data->{f}}) {
142			if (++$col >= $cols) {
143			$stat .= "<tr>";
144			$col = 0;
145			}
146			$stat .= "<td><a href='".escape_uri($_->[0])."'>$_->[0]</a><td align='right'>$_->[1]<td> ";
147			}
148			$stat .= "</table>";
149			}
150
151	root	1.14	my $waiters = sprintf "%d/%d", $::transfers[0][0]->waiters+0, $::transfers[1][0]->waiters+0;
152			my $avgtime = sprintf "%d/%d second(s)", $::transfers[0][1], $::transfers[1][1];
153	root	1.12
154	root	1.1	<<EOF;
155			<html>
156			<head><title>$self->{uri}</title></head>
157			<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
158			<h1>$data->{path}</h1>
159			$data->{top}
160	root	1.12	<small><div align="right">
161			<tt>$self->{remote_id}/$self->{country} - $::conns connection(s) - uptime $uptime - myhttpd/$VERSION
162			</tt></div></small>
163	root	1.13	<hr />
164			clients waiting for data transfer: $waiters<br />
165			average waiting time until transfer starts: $avgtime <small>(adjust your timeout values)</small><br />
166	root	1.12	<hr />
167	root	1.9	$stat
168	root	1.1	$data->{bot}
169			</body>
170			</html>
171			EOF
172			}
173
174			sub handle_redirect { # unused
175			if (-f ".redirect") {
176			if (open R, "<.redirect") {
177			while (<R>) {
178			if (/^(?:$host$port)$uri([^ \tr\n])[ \t\r\n]+(.)$/) {
179			my $rem = $1;
180			my $url = $2;
181			print $nph ? "HTTP/1.0 302 Moved\n" : "Status: 302 Moved\n";
182			print <<EOF;
183			Location: $url
184			Content-Type: text/html
185
186			<html>
187			<head><title>Page Redirection to $url</title></head>
188			<meta http-equiv="refresh" content="0;URL=$url">
189			</head>
190			<body text="black" link="#1010C0" vlink="#101080" alink="red" bgcolor="white">
191			<large>
192			This page has moved to $url.<br />
193			<a href="$url">
194	root	1.7	The automatic redirection has failed. Please try a <i>slightly</i>
195			newer browser next time, and in the meantime <i>please</i> follow this link ;)
196	root	1.1	</a>
197			</large>
198			</body>
199			</html>
200			EOF
201			}
202			}
203			}
204			}
205			}
206
207			1;