Initial commit.

htdocs/wov/magicat/archive/cgi-bin/subs_counter.cgi

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+#! /usr/bin/perl -w
+# Woman's Voice
+# 1-subs_counter.cgi: The subscriber counter.
+
+#  Copyright (c) 2003-2021 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+# Author: imacat <imacat@mail.imacat.idv.tw>
+# First written: 2003-05-17
+
+use 5.008;
+use strict;
+use warnings;
+use lib $ENV{"DOCUMENT_ROOT"} . qw(/magicat/lib/perl5);
+use Selima::wov;
+local $SIG{"__DIE__"} = \&http_500;
+my $d = new Selima::Destroy;
+# Prototype declaration
+sub main();
+sub get_counter();
+sub html_image($);
+
+use Fcntl qw(:flock :seek);
+use GD;
+use IO::NestedCapture qw(CAPTURE_STDOUT);
+
+use constant DATA_FILE => "/var/lib/mailman/lists/wov/config.pck";
+use constant COUNTER_PROG => "/usr/libexec/total_members";
+use constant LISTNAME => "wov";
+use vars qw(@FGCOLOR @BGCOLOR $FONT);
+@FGCOLOR = (0, 0, 0);           # #000000 Black
+@BGCOLOR = (255, 255, 255);     # #FFFFFF White
+$FONT = gdLargeFont;
+use constant TRANSPARENT => 1;
+initenv(    -allowed    => [qw(GET HEAD)],
+            -session    => 0,
+            -dbi        => DBI_NONE,
+            -lastmod    => 1,
+            -lmfiles    => [DATA_FILE],
+            -multilang  => 0);
+
+use vars qw($COUNTER $MTIME);
+
+main;
+exit 0;
+
+sub main() {
+    local ($_, %_);
+    
+    get_counter();
+    html_image($COUNTER);
+    
+    return;
+}
+
+# get_counter: Get the subscriber counter
+sub get_counter() {
+    local ($_, %_);
+    my $OUT;
+    
+    # Obtain the mtime of the subscriber database file
+    $_ = (stat DATA_FILE)[9];
+    # We should update the counter
+    if (!defined $MTIME || $MTIME != $_) {
+        # Update the timestamp
+        $MTIME = $_;
+        @_ = (COUNTER_PROG, LISTNAME);
+        open $OUT, "-|", @_         or http_500 COUNTER_PROG . ": $!";
+        defined($COUNTER = <$OUT>)  or http_500 COUNTER_PROG . ": $!";
+        close $OUT                  or http_500 COUNTER_PROG . ": $!";
+        chomp $COUNTER;
+    }
+    
+    return $COUNTER;
+}
+
+# html_image: Make the image from the counter value 
+sub html_image($) {
+    local $_;
+    my ($counter, $image, $width, $height, $fgcolor, $bgcolor);
+    $counter = $_[0];
+    
+    # Group the counter with commas at thousand digits.
+    $counter = fmtno($counter);
+    
+    # Initialize the image object
+    # Get the width and height
+    $width = $FONT->width * (length $counter);
+    $height = $FONT->height;
+    # Create an image object
+    $image = GD::Image->new($width, $height);
+    # Create the forground/background color objects
+    $fgcolor = $image->colorAllocate(@FGCOLOR);
+    $bgcolor = $image->colorAllocate(@BGCOLOR);
+    
+    # Draw the image
+    # Set the transparent background
+    $image->transparent($bgcolor) if TRANSPARENT;
+    # Paint the background
+    $image->filledRectangle(0, 0, $width, $height, $bgcolor);
+    # Write the text
+    $image->string($FONT, 0, 0, $counter, $fgcolor);
+    
+    # Output
+    $CONTENT_TYPE = "image/png";
+    binmode IO::NestedCapture->instance->{"STDOUT_current"}[-1], ":raw";
+    print $image->png;
+    
+    return;
+}