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 "$self->{path}$_";
         next unless -r _;
         if (-d _) {
            $dlen = length $_ if length $_ > $dlen;
            push @{$data->{d}}, $_;
         } else {
            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 = $::transfers->waiters*1;
   my $avgtime = int (sum(@::wait_time) / @::wait_time);

   <<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}
<hr />
clients waiting for data transfer: $waiters<br />
average waiting time until transfer starts: $avgtime seconds <small>(adjust your timeout values)</small><br />
<small><div align="right">
         <tt>$self->{remote_id}/$self->{country} - $::conns connection(s) - uptime $uptime - myhttpd/$VERSION
</tt></div></small>
<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:	1.12
Committed:	Wed Aug 29 01:32:50 2001 UTC (22 years, 10 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.11:	+12 -2 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			next unless -r _;
59			if (-d _) {
60			$dlen = length $_ if length $_ > $dlen;
61	root	1.9	push @{$data->{d}}, $_;
62	root	1.1	} else {
63			my $s = -s _;
64			$flen = length $_ if length $_ > $dlen;
65			$slen = length $s if length $s > $dlen;
66	root	1.9	push @{$data->{f}}, [$_, $s];
67	root	1.1	}
68			}
69	root	1.9	$data->{dlen} = $dlen;
70			$data->{flen} = $flen;
71			$data->{slen} = $slen;
72	root	1.1	}
73
74			$data;
75			}
76
77			sub conn::get_statdata {
78			my $self = shift;
79
80			my $mtime = $self->{stat}[9];
81
82	root	1.9	$statdata = $diridx{$self->{path}};
83	root	1.6
84	root	1.9	if (defined $statdata) {
85			$$statdata = Storable::thaw $statdata;
86			return $$statdata
87			if $$statdata->{version} == $SD_VERSION
88			&& $$statdata->{mtime} == $mtime;
89	root	1.1	}
90
91			$self->slog(8, "creating index cache for $self->{path}");
92
93	root	1.6	$$statdata = $self->gen_statdata;
94			$$statdata->{version} = $SD_VERSION;
95	root	1.9	$$statdata->{mtime} = $mtime;
96	root	1.1
97	root	1.9	$diridx{$self->{path}} = Storable::freeze $$statdata;
98	root	1.11	(tied %diridx)->db_sync;
99	root	1.1
100	root	1.6	$$statdata;
101	root	1.1	}
102
103			sub conn::diridx {
104			my $self = shift;
105
106			my $data = $self->get_statdata;
107	root	1.5
108			my $uptime = int (time - $::starttime);
109			$uptime = sprintf "%02dd %02d:%02d",
110			int ($uptime / (60 * 60 * 24)),
111			int ($uptime / (60 * 60)) % 24,
112			int ($uptime / 60) % 60;
113	root	1.1
114	root	1.9	my $stat;
115			if ($data->{dlen}) {
116			$stat .= "<table><tr><th>Directories</th></tr>";
117			$data->{dlen} += 1;
118			my $cols = int ((79 + $data->{dlen}) / $data->{dlen});
119			$cols = @{$data->{d}} if @{$data->{d}} < $cols;
120			my $col = $cols;
121			for (@{$data->{d}}) {
122			if (++$col >= $cols) {
123			$stat .= "<tr>";
124			$col = 0;
125			}
126			if ("$self->{path}$_" =~ $conn::blockuri{$self->{country}}) {
127			$stat .= "<td>$_ ";
128			} else {
129			$stat .= "<td><a href='".escape_uri("$_/")."'>$_</a> ";
130			}
131			}
132			$stat .= "</table>";
133			}
134			if ($data->{flen}) {
135			$data->{flen} += 1 + $data->{slen} + 1 + 3;
136			my $cols = int ((79 + $data->{flen}) / $data->{flen});
137			$cols = @{$data->{f}} if @{$data->{f}} < $cols;
138			my $col = $cols;
139			$stat .= "<table><tr>". ("<th align='left'>File<th>Size<th> " x $cols);
140			for (@{$data->{f}}) {
141			if (++$col >= $cols) {
142			$stat .= "<tr>";
143			$col = 0;
144			}
145			$stat .= "<td><a href='".escape_uri($_->[0])."'>$_->[0]</a><td align='right'>$_->[1]<td> ";
146			}
147			$stat .= "</table>";
148			}
149
150	root	1.12	my $waiters = $::transfers->waiters*1;
151			my $avgtime = int (sum(@::wait_time) / @::wait_time);
152
153	root	1.1	<<EOF;
154			<html>
155			<head><title>$self->{uri}</title></head>
156			<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
157			<h1>$data->{path}</h1>
158			$data->{top}
159	root	1.12	<hr />
160			clients waiting for data transfer: $waiters<br />
161			average waiting time until transfer starts: $avgtime seconds <small>(adjust your timeout values)</small><br />
162			<small><div align="right">
163			<tt>$self->{remote_id}/$self->{country} - $::conns connection(s) - uptime $uptime - myhttpd/$VERSION
164			</tt></div></small>
165			<hr />
166	root	1.9	$stat
167	root	1.1	$data->{bot}
168			</body>
169			</html>
170			EOF
171			}
172
173			sub handle_redirect { # unused
174			if (-f ".redirect") {
175			if (open R, "<.redirect") {
176			while (<R>) {
177			if (/^(?:$host$port)$uri([^ \tr\n])[ \t\r\n]+(.)$/) {
178			my $rem = $1;
179			my $url = $2;
180			print $nph ? "HTTP/1.0 302 Moved\n" : "Status: 302 Moved\n";
181			print <<EOF;
182			Location: $url
183			Content-Type: text/html
184
185			<html>
186			<head><title>Page Redirection to $url</title></head>
187			<meta http-equiv="refresh" content="0;URL=$url">
188			</head>
189			<body text="black" link="#1010C0" vlink="#101080" alink="red" bgcolor="white">
190			<large>
191			This page has moved to $url.<br />
192			<a href="$url">
193	root	1.7	The automatic redirection has failed. Please try a <i>slightly</i>
194			newer browser next time, and in the meantime <i>please</i> follow this link ;)
195	root	1.1	</a>
196			</large>
197			</body>
198			</html>
199			EOF
200			}
201			}
202			}
203			}
204			}
205
206			1;