Coro/myhttpd/diridx.pl

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>";
   }

   <<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>
$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:	1.11
Committed:	Tue Aug 28 02:43:02 2001 UTC (22 years, 10 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.10:	+1 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	use Storable ();
2
3			my $SD_VERSION = 1;
4
5			my $ignore = qr/ ^(?:robots.txt$\|\.) /x;
6
7	root	1.9	our %diridx;
8
9	root	1.10	if ($db_env) {
10			tie %diridx, BerkeleyDB::Hash,
11			-Env => $db_env,
12			-Filename => "directory",
13			-Flags => DB_CREATE,
14			or die "unable to create database index";
15	root	1.9	}
16
17	root	1.1	sub conn::gen_statdata {
18			my $self = shift;
19			my $data;
20
21			{
22			my $path = "";
23			my $prefix = "";
24
25			for ("http://".$self->server_hostport, split /\//, substr $self->{name}, 1) {
26			next if $_ eq ".";
27	root	1.7	$path .= "<a href='".escape_uri("$prefix$_")."/'>$_</a> / ";
28	root	1.1	$prefix .= "$_/";
29			}
30			$data->{path} = $path;
31			}
32
33			sub read_file {
34			local ($/, *X);
35			(open X, "<$_[0]\x00") ? <X> : ();
36			}
37
38			{
39			my $path = $self->{path};
40			do {
41			$data->{top} \|\|= read_file "$path.dols/top";
42			$data->{bot} \|\|= read_file "$path.dols/bot";
43			$path =~ s/[^\/]*\/+$//
44			or die "malformed path: $path";
45			} while $path ne "";
46			}
47
48			local *DIR;
49			if (opendir DIR, $self->{path}) {
50			my $dlen = 0;
51			my $flen = 0;
52			my $slen = 0;
53			for (sort readdir DIR) {
54			next if /$ignore/;
55			stat "$self->{path}$_";
56			next unless -r _;
57			if (-d _) {
58			$dlen = length $_ if length $_ > $dlen;
59	root	1.9	push @{$data->{d}}, $_;
60	root	1.1	} else {
61			my $s = -s _;
62			$flen = length $_ if length $_ > $dlen;
63			$slen = length $s if length $s > $dlen;
64	root	1.9	push @{$data->{f}}, [$_, $s];
65	root	1.1	}
66			}
67	root	1.9	$data->{dlen} = $dlen;
68			$data->{flen} = $flen;
69			$data->{slen} = $slen;
70	root	1.1	}
71
72			$data;
73			}
74
75			sub conn::get_statdata {
76			my $self = shift;
77
78			my $mtime = $self->{stat}[9];
79
80	root	1.9	$statdata = $diridx{$self->{path}};
81	root	1.6
82	root	1.9	if (defined $statdata) {
83			$$statdata = Storable::thaw $statdata;
84			return $$statdata
85			if $$statdata->{version} == $SD_VERSION
86			&& $$statdata->{mtime} == $mtime;
87	root	1.1	}
88
89			$self->slog(8, "creating index cache for $self->{path}");
90
91	root	1.6	$$statdata = $self->gen_statdata;
92			$$statdata->{version} = $SD_VERSION;
93	root	1.9	$$statdata->{mtime} = $mtime;
94	root	1.1
95	root	1.9	$diridx{$self->{path}} = Storable::freeze $$statdata;
96	root	1.11	(tied %diridx)->db_sync;
97	root	1.1
98	root	1.6	$$statdata;
99	root	1.1	}
100
101			sub conn::diridx {
102			my $self = shift;
103
104			my $data = $self->get_statdata;
105	root	1.5
106			my $uptime = int (time - $::starttime);
107			$uptime = sprintf "%02dd %02d:%02d",
108			int ($uptime / (60 * 60 * 24)),
109			int ($uptime / (60 * 60)) % 24,
110			int ($uptime / 60) % 60;
111	root	1.1
112	root	1.9	my $stat;
113			if ($data->{dlen}) {
114			$stat .= "<table><tr><th>Directories</th></tr>";
115			$data->{dlen} += 1;
116			my $cols = int ((79 + $data->{dlen}) / $data->{dlen});
117			$cols = @{$data->{d}} if @{$data->{d}} < $cols;
118			my $col = $cols;
119			for (@{$data->{d}}) {
120			if (++$col >= $cols) {
121			$stat .= "<tr>";
122			$col = 0;
123			}
124			if ("$self->{path}$_" =~ $conn::blockuri{$self->{country}}) {
125			$stat .= "<td>$_ ";
126			} else {
127			$stat .= "<td><a href='".escape_uri("$_/")."'>$_</a> ";
128			}
129			}
130			$stat .= "</table>";
131			}
132			if ($data->{flen}) {
133			$data->{flen} += 1 + $data->{slen} + 1 + 3;
134			my $cols = int ((79 + $data->{flen}) / $data->{flen});
135			$cols = @{$data->{f}} if @{$data->{f}} < $cols;
136			my $col = $cols;
137			$stat .= "<table><tr>". ("<th align='left'>File<th>Size<th> " x $cols);
138			for (@{$data->{f}}) {
139			if (++$col >= $cols) {
140			$stat .= "<tr>";
141			$col = 0;
142			}
143			$stat .= "<td><a href='".escape_uri($_->[0])."'>$_->[0]</a><td align='right'>$_->[1]<td> ";
144			}
145			$stat .= "</table>";
146			}
147
148	root	1.1	<<EOF;
149			<html>
150			<head><title>$self->{uri}</title></head>
151			<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
152			<h1>$data->{path}</h1>
153			$data->{top}
154	root	1.8	<small><div align="right"><tt>$self->{remote_id}/$self->{country} - $::conns connection(s) - uptime $uptime - myhttpd/$VERSION</tt></div></small>
155	root	1.1	<hr>
156	root	1.9	$stat
157	root	1.1	$data->{bot}
158			</body>
159			</html>
160			EOF
161			}
162
163			sub handle_redirect { # unused
164			if (-f ".redirect") {
165			if (open R, "<.redirect") {
166			while (<R>) {
167			if (/^(?:$host$port)$uri([^ \tr\n])[ \t\r\n]+(.)$/) {
168			my $rem = $1;
169			my $url = $2;
170			print $nph ? "HTTP/1.0 302 Moved\n" : "Status: 302 Moved\n";
171			print <<EOF;
172			Location: $url
173			Content-Type: text/html
174
175			<html>
176			<head><title>Page Redirection to $url</title></head>
177			<meta http-equiv="refresh" content="0;URL=$url">
178			</head>
179			<body text="black" link="#1010C0" vlink="#101080" alink="red" bgcolor="white">
180			<large>
181			This page has moved to $url.<br />
182			<a href="$url">
183	root	1.7	The automatic redirection has failed. Please try a <i>slightly</i>
184			newer browser next time, and in the meantime <i>please</i> follow this link ;)
185	root	1.1	</a>
186			</large>
187			</body>
188			</html>
189			EOF
190			}
191			}
192			}
193			}
194			}
195
196			1;