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WAP Access key / WAP ASP / WAP Counter / WAP Hello / WAP Input Field / WAP MicroBrowser type / WAP Send EMail / WBMP Format

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WAP Access key

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WAP ASP

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WAP Counter

#!/usr/bin/perl5
# This Perl script is property of Hicon Hosting & Internet Consultancy, Holland. 
# (c) 2000 
#
# This code has been made public to encourage the starting WML programmers developing stunning stuff. Although
# the Perl code below is not stunning, it should be a clear example of how to integrate Perl scripts in WML
# content pages. You are free to alter, use and re-distribute this code.
#
# It would be nice if you'd mention Hicon somewhere.
#
# Author: Jeroen Koomen (CTO), Hicon Hosting & Internet Consultancy, Holland.
# Script date: february 7th, 2000
#
# WEB: http://www.hicon.nl
# WAP: http://hicon.nl/wap/
################################################################################################################
#
# How to use this Perl script in WML:
#
# In your WML page, include something like:
# <wml>
# <card id="Firstpage" title="Welcome!">
# 
# ...to the WAP site of Hicon Hosting & Internet Consultancy BV, Holland 
# <anchor title="Enter">Enter our site
# <go method="post" href="/cgi-bin/wapcounter.pl">
# <postfield name="file" value="wap.count"/>
# </go>
# </anchor>
# 
# </card>
# </wml>
#
################################################################################################################
#
# Installing this script:
#
# Copy this script into your CGI-BIN directory, and chmod it to 777. Create a counter file by any name you
# like, just make sure that the filename corresponds with the 'file' parameter value with which you are calling
# this script - see the WML code above. 
#
# In UNIX:
# Make sure you're in the same directory as this script file
# At the command prompt type "cat > wap.count". Type the starting value of your WAPsite hitcounter, and press
# CTRL-Z to end your input. 
# Of course you can create a plain text file with the counter value in it, and FTP it to your server. Make sure
# it ends up in the same directory as this script file.
#
################################################################################################################

################################################################################################################
# Read out all parameters (POST or GET fields) which are passed to this script from the WML page 
#
&parse_form_data(*array);

################################################################################################################
# Open the counter file of which the name has been passed to this script as a parameter, increase the counter
# value by one, write it back and display it on a WML page. Include a timer-event, so after showing the counter
# value to the visitor, he/she automatically is forwarded to the next WML page of your WAP site.
# 
if ( -w "$array{'file'}" ) { 
 open (INFILE,"+<$array{'file'}");
 flock INFILE,2;
 $num=<INFILE>;
 seek(INFILE, 0, 0); 	
 $num++;
 print INFILE "$num ";
 &print_header_info("You are visitor:");
 print "<onevent type=\"ontimer\">\n";

#################################################################
 # modify the line below to your own WAP index page URL
 print "<go href=\"http://www.hicon.nl/index.wml\"/></onevent>\n";

print "<timer value=\"30\"/>\n";
 print "\n";
 print " \n";
 print "$num";
 print " \n";
 &print_footer_info();
}
else {
 &print_header_info("Error!");

print "Count file \"$array{'file'}\" not writable or non-existant.\n";
  &print_footer_info();
}

################################################################################################################
# Print the WML page opening tags and the required WML page header. Of course you don't need this as a 
# procedure and you can code this inline for the counter, but now you can use this procedure over and over 
# again for all your WAP based Perl scripts

sub print_header_info
{
  local ($title) = @_;

print "Content-type: text/vnd.wap.wml\n\n";
 print "<?xml version=\"1.0\"?>\n";
 print "<\!DOCTYPE wml PUBLIC \"-//WAPFORUM//DTD WML 1.1//EN\" \"http://www.wapforum.org/DTD/wml_1.1.xml\">\n";
 print "<wml>\n";
 print "<card id=\"Results\" title=\"$title\" newcontext=\"true\">\n";
}

################################################################################################################
# Print the WML page ending tags

sub print_footer_info
{
 print"\n";
 print"</card>\n</wml>\n";
}

################################################################################################################
# Determine the form method GET or POST and read the variables into an array. The code of this procedure might
# seem complicated for something simple as this counter, but we use the &parse_form_data for our more complex
# Perl scripts as well.

sub parse_form_data
{
  local (*FORM_DATA) = @_;
  local ($request_method, $query_string, @key_value_pairs,
         $key_value, $key, $value);
  $request_method = $ENV{'REQUEST_METHOD'};
  if ($request_method eq "GET") {
    $query_string = $ENV{'QUERY_STRING'};
  } elsif ($request_method eq "POST") {
    read(STDIN, $query_string, $ENV{'CONTENT_LENGTH'});
  } else {   # neither POST nor GET
    $query_string = $ENV{'QUERY_STRING'};
  }

@key_value_pairs = split(/&/, $query_string);
  foreach $key_value (@key_value_pairs) {
    ($key, $value) = split (/=/, $key_value);
    $key =~ tr/+/ /;
    $value =~ tr/+/ /;
    $value =~ s/%([\dA-Fa-f][\dA-Fa-f])/pack ("C", hex($1))/eg;
    if (defined($FORM_DATA{$key})) {
      $FORM_DATA{$key} = join("|||", $FORM_DATA{$key}, $value);
    } else {
      $FORM_DATA{$key} = $value;
    }
  }
}

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WAP Hello

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WAP Input Field

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WAP MicroBrowser type

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WAP Send EMail

#!/usr/bin/perl5
#
# This Perl script is property of Hicon Hosting & Internet Consultancy, Holland. 
# (c) 2000 
#
################################################################################################################
#
# This code has been made public to encourage the starting WML programmers developing stunning stuff. It should 
# be a clear example of how to integrate Perl scripts in WML content pages. You are free to alter, use and 
# re-distribute this code. It would be nice if you'd mention Hicon somewhere.
#
# Author: Jeroen Koomen (CTO), Hicon Hosting & Internet Consultancy, Holland.
# Script date: january 15th, 2000
#
# WEB: http://www.hicon.nl
# WAP: http://hicon.nl/wap/
#
################################################################################################################
#
# How to use this Perl script in WML:
#
# Your WML page should look like this (copy and paste it out of this script):
# Note that the path to this Perl script depends on your server configuration !
#
# <?xml version="1.0"?>
# <!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
#
# <wml>
# <card id="sendmail" title="Send mail">
# 
# Send message to: 
# <input name="to" title="Recipient"/>
# Your e-mail address: 
# <input name="from" title="Your email"/>
# Subject (optional): 
# <input name="subject" title="Subject"/>
# Message text: 
# <input name="message" title="Message"/>
# 
# <anchor title="sendmail">Send
# <go method="post" href="/cgi-bin/sendwapmail.pl">
# <postfield name="to" value="$(to)"/>
# <postfield name="from" value="$(from)"/>
# <postfield name="subject" value="$(subject)"/>
# <postfield name="message" value="$(message)"/>
# </go>
# </anchor>
# 
# <do type="prev" label="Back">
# <prev/></do>
# </card>
# </wml>
#
#
################################################################################################################
#
# Installing this script:
#
# Copy this script into your CGI-BIN directory, and chmod it to 700. 
#
################################################################################################################

################################################################################################################
# All the fields that have been sent from the WML page have been parsed. Now assign them to clear variables
# so you always know what variable contains what value. The contents of the variables below speak for themselves
#
$from      = $array{'from'};
$to        = $array{'to'};
$subject   = $array{'subject'};
$message   = $array{'message'};

################################################################################################################
# Tell Perl what mailprogram is running on your server
#
$mailprog = '/bin/sendmail -t';

################################################################################################################
# Verify if the FROM e-mail address, entered on the WML page, has a valid structure. At the bottom of this 
# script you'll find a subroutine which handles this. The routine was written by Matthew M. Wright.
#
if (!&check_email($from)) {
  &error("Your own e-mail address seems invalid. Go back and check your input.");
}

################################################################################################################
# Verify if the TO e-mail address, entered on the WML page, is valid. At the bottom of this script you'll
# find a subroutine which handles this. The routine was written by Matthew M. Wright
#
if (!&check_email($to)) {
  &error("The recipient e-mail address is invalid. Go back and check your input.");
}

################################################################################################################
# Verify if the sender has entered the optional message subject. If so, use that as the subject, else use the
# string "No subject" as message subject
#
if (!$subject) {
  $subject = "No subject";
}

################################################################################################################
# Verify if the sender has entered a message in the WML page. If not, apperently he/she doesn't want to send
# e-mail via WAP after all........
#
if (!$message) {
  &error("You haven't entered a message text. Go back and enter the message text.");
}

################################################################################################################
# Now it's time to do the actual mail stuff. Open the mailprogram, print the values to the header and print the
# message into the mail body. And off it is.........
#
open (MAIL, "|$mailprog -t");
print MAIL "To: $to\n";
print MAIL "From: $from\n";
print MAIL "Subject: $subject\n";
print MAIL "$message\n";
print MAIL "\n\n--- Sent to you from the Hicon Hosting & Internet Consultancy WAP site: ---\n";
print MAIL "http://hicon.nl/wap/\n\n";
close (MAIL);

################################################################################################################
# And finally, print a proper message back to the sender, telling him/her the message has been sent to the
# recipient(s)............
#
&print_header_info ("Sent");
print "Your mail message has been sent. \n";
&print_footer_info();
exit;

################################################################################################################
# Determine the form method GET or POST and read the variables into an array. The code of this procedure might
# seem complicated, but we use the &parse_form_data for our more complex Perl scripts as well. This procedure
# has been written by Matthew M. Wright for a WEB based script

sub parse_form_data
{
  local (*FORM_DATA) = @_;
  local ($request_method, $query_string, @key_value_pairs,
         $key_value, $key, $value);

$request_method = $ENV{'REQUEST_METHOD'};

if ($request_method eq "GET") {
    $query_string = $ENV{'QUERY_STRING'};
  } elsif ($request_method eq "POST") {
    read(STDIN, $query_string, $ENV{'CONTENT_LENGTH'});
  } else {   # neither POST nor GET
    $query_string = $ENV{'QUERY_STRING'};
  }

@key_value_pairs = split(/&/, $query_string);

foreach $key_value (@key_value_pairs) {
    ($key, $value) = split (/=/, $key_value);
    $key =~ tr/+/ /;
    $value =~ tr/+/ /;
    $value =~ s/%([\dA-Fa-f][\dA-Fa-f])/pack ("C", hex($1))/eg;

if (defined($FORM_DATA{$key})) {
      $FORM_DATA{$key} = join("|||", $FORM_DATA{$key}, $value);
    } else {
      $FORM_DATA{$key} = $value;
    }
  }
}

################################################################################################################
# Print the WML page opening tags and the required WML page header. Of course you don't need this as a 
# procedure and you can code this inline, but now you can use this procedure over and over 
# again for all your WAP based Perl scripts

sub print_header_info {

local($title) = @_;

print "Content-type: text/vnd.wap.wml\n\n";
 print "<?xml version=\"1.0\"?>\n";
 print "<\!DOCTYPE wml PUBLIC \"-//WAPFORUM//DTD WML 1.1//EN\" \"http://www.wapforum.org/DTD/wml_1.1.xml\">\n";
 print "<wml>\n";
 print "<card id=\"First\" title=\"$title\">\n";
 print "\n";

}

################################################################################################################
# Print the WML page ending tags

sub print_footer_info {

print"\n";
 print"<do type=\"prev\" label=\"Back\">\n";
 print"<prev/></do>\n"; 
 print"</card>\n";
 print"</wml>\n";
}

################################################################################################################
sub error {

local($errormessage)=@_;

&print_header_info("Error");
 print "$errormessage";
 &print_footer_info();
 exit;
}

################################################################################################################
# Verify if the e-mail address sent to this subroutine has a valid format. Note that this routine does NOT 
# check wether an e-mail address actually exists.

sub check_email {
    $checkemail = $_[0];
    if ($checkemail =~ /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/ ||
        $checkemail !~ /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/) {
        return 0;
    }
    else {
        return 1;
    }
}

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WBMP Format

WBMP Format explained

First two bytes:	0
Third byte:		Width in pixels
Fourth byte:		Height in pixels

The WBMP data is stored at bit-level. This means that each byte contains 8 pixels.
Bit value 0 is black
Bit value 1 is white (read: transparent)

Suppose we'd have a WBMP of width 72 pixels, and height 28 pixels, each row of pixels
would be (72 / 8 =) 9 bytes. The height would remain 28 so the data size in total 
would be (9 * 28 =) 252 bytes.

Suppose we'd have a WBMP of width 74 pixels, and height 28 pixels, each row of pixels
would be (74 / 8 =) 9 and the remaining two pixels would also take a byte. So each row
counts 10 bytes. The height would remain 28 so the data size in total would be 
(10 * 28 =) 280 bytes.

The examples above make clear that an image with a pixel width that can be divided by 8 
is the most efficient WBMP.

=======================================================================================

Suppose we would have a WBMP of 72 * 28 pixels, the total WBMP size would be :

4 bytes (header) + 252 bytes (data size) = 256 bytes.

This information should get you going, if you want to create real-time WBMP images for 
example, like the hitcounter on the Hicon WAP site.