Code for Newsletter Script

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#!/usr/bin/perl
#
##############################################################################
# Mail Machine v3.985 #
# Copyright (c) 2000 by Mike's World. All Rights Reserved. #
# http://www.mikesworld.net # 
# mike@mikesworld.net #
# #
# You should carefully read all of the following terms and conditions #
# before using this program. Your use of this software indicates #
# your acceptance of this license agreement and warranty. #
# #
# This program is being distributed as freeware. It may be used and #
# modified free of charge, so long as this copyright notice, the header # 
# above and all the footers in the program that give me credit remain # 
# intact. Please also send me an e-mail, and let me know #
# where you are using this script. #
# #
# By using this program you agree to indemnify Mike's World from any #
# liability. #
# #
# Selling the code for this program without prior written consent is #
# expressly forbidden. Obtain permission before redistributing this #
# program over the Internet or in any other medium. In all cases #
# copyright, header, and all footers must remain intact. #
##############################################################################

# Installation -
#
# 1 - Define all the variables for your web site below
# 2 - Save and upload this file to your cgi-bin
# 3 - Chmod it to 755
# 4 - Create an empty file for your e-mails list called whatever you want.txt
# and upload that in ascii mode to the same directory. Make sure to chmod 777.
# 5 - Create a directory in your cgi bin called "archives". 
# Chmod the directory 711.
# 6 - Create an html form to send it information using the fields:
# -'address' which will be the address to subscribe to
# -'action' which should have two possible inputs; either
# 'Subscribe' or 'Unsubscribe'. Example code:
#
# HERE'S THE CODE YOU COPY INTO YOUR WEB SITE SO PEOPLE CAN SUBSCRIBE.
#
# <form action="/cgi-bin/mailmachine.cgi" method=post>
# <input type=text name="address" size=50><br>
# <input type=radio name=action value=Subscribe checked> 
# Subscribe | Unsubscribe <input type=radio name=action value=Unsubscribe>
# <br><input type="submit" value="Update">
# </form>
#
# 7 - To access the administration section in order to send e-mails to
# subscribers and subscribe/unsubscribe e-mails, enter the path in your web
# browser to the Mail Machine script - http://www.yourdomain.com/cgi-
# bin/mailmachine.cgi - and add a ?admin on the end so it would look like
# mailmachine.cgi?admin

# Quick note about customization -
#
# Wherever you see $message below an error / thanks message is defined. You
# may want to change these to fit your site. 

$mailprog = '/usr/sbin/sendmail';
# Change the location above to wherever sendmail is located on your server.

$admin_email="your_email\@yourdomain.com";
# Change the address above to your e-mail address. Make sure to KEEP the \

$list_name="Name of Newsletter Here";
# Change the name above to whatever you would like to call your mailing list.

$adminpass="Your_Password_Here";
# Change the password above to whatever you would like to use to access the
# administration section.

$sendto="0";
# Set this at 1 if you want to be informed everytime someone subscribes or
# unsubscribes from your mailing list. Note: For large mailing lists you
# probably want to set this at 0 or else you will most likely be bombarded
# with subscribe/unsubscribe notices.

$temp="0";
# Set this at 1 if you want to have subscribers confirm their addition to
# the mailing list before they are actually added. This will stop people 
# from adding e-mail addresses without the owners knowledge or entering 
# fictitious addresses. Note: A temp.txt will be created - DO NOT DELETE!

$remove_notice="1";
# Set this at 1 if you want to allow your subscribers the ability to remove 
# themselves directly from your mailing. This will create a removal notice 
# at the bottom of your mailing. 

$html = "0"; 
# If you would like to send out messages in HTML set this at 1. Otherwise, 
# leave it at 0 and your subscribers will receive standard text messages.

$file = "list_of_email_addresses.txt";
# This is the file that will store all e-mail addresses for your mailing
# list. Make sure and name this something that nobody will think of so
# that no one will be able to get a hold of your mailing list.

$temp_file = "temp.txt";
# - APPLIES TO TEMP SETTING ABOVE. IGNORE THIS IF NOT USING THAT FEATURE - 
# This is the file that will temporarily store e-mail addresses awaiting 
# verification from the user. Once verified, the e-mail address will move 
# on to the "REAL" list. To be safe, I would add a couple digits to the 
# end of the name like this: temp17462.txt

@bannedaddresses = ('john@johndoe.com','joe@joedoe.com');
# This is a list of all addresses that you don't want to be able to join
# your mailing list at anytime. If you don't want any addresses banned,
# use this setup: @bannedaddresses = (); To extend the list of banned
# addresses just add a comma.

$lock = "2";
# Keep this at 2 if your server allows you to use file locking. File
# locking helps insure that the file storing e-mail addresses will not
# become corrupt in heavy usage. If your server doesn't allow you to use
# file locking then you need to simply remove the 2 in between the quotes.



# NO NEED TO EDIT ANYTHING ELSE PAST THIS LINE



@months = ('January','February','March','April','May','June','July','August','September','October','November','December');
@days = ('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday');
($mday,$mon,$year,$wday) = (localtime(time))[3,4,5,6];
$year += 1900; 
$date = "$months[$mon] $mday, $year";

$url = $ENV{'SERVER_NAME'};
$script_url = $ENV{'SCRIPT_NAME'};

print "Content-type: text/html\n\n";

&check;

read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});
@pairs = split(/&/, $buffer);

foreach $pair (@pairs) 
{
($name, $value) = split(/=/, $pair);
$value =~ tr/+/ /;
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
$in{$name} = $value;
}

if ($in{'action'} eq "Subscribe") {&subscribe}
if ($in{'action'} eq "Unsubscribe") {&unsubscribe}
if ($in{'action'} eq "with") {&subscribe}
if ($in{'action'} eq "without") {&subscribe}
if ($in{'action2'} eq "with") {&unsubscribe}
if ($in{'action2'} eq "without") {&unsubscribe}
if ($in{'action'} eq "Send") {&send}
if ($in{'action'} eq "Load") {&load}
if ($in{'adminpass'} ne "$adminpass") {&adminerror}
if ($in{'adminpass'} eq "$adminpass") {&adminform}

exit;

sub check
{
open(LIST,"$file");
if ($lock){ 
flock(LIST, $lock);
}
@addresses=<LIST>;
close(LIST);

foreach $member(@addresses)
{
chomp($member);
$in{'address'} = "$ENV{'QUERY_STRING'}";
if ($in{'address'} eq $member){&unsubscribe}
}

open(LIST,"$temp_file");
if ($lock){ 
flock(LIST, $lock);
}
@addresses=<LIST>;
close(LIST);

foreach $tempmember(@addresses)
{
chomp($tempmember);
@info = split(/::/, $tempmember);
($in{'address'},$in{'number'})=split('&',$ENV{'QUERY_STRING'});
if ($in{'number'} eq $info[0]){&subscribetemp}


if("admin" eq $ENV{'QUERY_STRING'}){
&admin

}

sub subscribe
{
open(LIST,"$file");
if ($lock){ 
flock(LIST, $lock);
}
@addresses=<LIST>;
close(LIST);
$in{'address'} =~ tr/[A-Z]/[a-z]/;
if ($in{'address'}!~ /.*\@.*\..*/){&bademail}

foreach $bannedaddress(@bannedaddresses)
{
if ($in{'address'} eq $bannedaddress){&banned_message}
}

foreach $member(@addresses)
{
chomp($member);
if ($in{'address'} eq $member){&already_subscribed}
}

if ($in{'action'} eq "without") {
push (@addresses,$in{'address'});
open(LIST,">>$file");
if ($lock){ 
flock(LIST, $lock);
}
$in{'address'} =~ tr/[A-Z]/[a-z]/;
print LIST "$in{'address'}\n";
close(LIST);
$message="The e-mail address <font color=red>$in{'address'}</font> has successfully been
added to the $list_name.";
&message;
exit;
}
if ($temp eq "1") {
push (@addresses,$in{'address'});
open(LIST,">>$temp_file");
if ($lock){ 
flock(LIST, $lock);
}
$in{'address'} =~ tr/[A-Z]/[a-z]/;
srand(time|$$); 
$RandomNumber = int(rand(10000000)); 
$Num = "_$RandomNumber"; 
$Num .= "_$$"; 
$Num =~ s/-//g; 
$Num =~ s/_//g; 
$address = "$in{'address'}";
$number = "$Num";
$in{'number'} = "$number";
$temp_entry = $number . "::" .
$address . "::"; 
print LIST "$temp_entry\n";
close(LIST);
$message="The e-mail address <font color=red>$in{'address'}</font> has been put on the temporary list and is awaiting confirmation. Please confirm the addition to the $list_name by clicking on the link provided in the follow-up e-mail.";
&mailtemp;
&message;
exit;
}
if ($temp eq "0") {
push (@addresses,$in{'address'});
open(LIST,">>$file");
if ($lock){ 
flock(LIST, $lock);
}
print LIST "$in{'address'}\n";
close(LIST);
$message="The e-mail address <font color=red>$in{'address'}</font> has successfully been
added to the $list_name.";
if ($in{'action'} ne "without") {
&mailadd;
}
&message;
exit;
}
}

sub subscribetemp
{
open(LIST,"$file");
if ($lock){ 
flock(LIST, $lock);
}
@addresses=<LIST>;
close(LIST);
if ($in{'address'}!~ /.*\@.*\..*/){&bademail}

foreach $bannedaddress(@bannedaddresses)
{
if ($in{'address'} eq $bannedaddress){&banned_message}
}

push (@addresses,$in{'address'});
open(LIST,">>$file");
if ($lock){ 
flock(LIST, $lock);
}
print LIST "$in{'address'}\n";
close(LIST);
$message="The e-mail address <font color=red>$in{'address'}</font> has been taken off the temporary list and successfully added to the $list_name.";
&mailadd;
&message;
&unsubscribetemp;
exit;
}

sub bademail
{
$message="There appears to be something not quite right about
that e-mail address. Please go back and try again. If the program is not allowing a true e-mail address then please e-mail <a href=mailto:$admin_email> $admin_email</a> and I'll add you onto the list manually. Sorry for the
inconvenience.";&message;
exit;
}

sub banned_message
{
$message="Sorry, but it appears that <font color=red>$in{'address'}</font> has been banned for various reasons.";&message;
exit;
}

sub already_subscribed
{
$message="It appears that <font color=red>$in{'address'}</font> is
already
subscribed!";&message;
exit;
}

sub unsubscribe
{
open(LIST,"$file");
if ($lock){ 
flock(LIST, $lock);
}
@addresses=<LIST>;
close(LIST);$x=0;
foreach $member(@addresses)
{
&clean;
if ($in{'address'} eq $member){&deletemember}
$x++;
}
&not_found;
}

sub unsubscribetemp
{
open(LIST,"$temp_file");
if ($lock){ 
flock(LIST, $lock);
}
@addresses=<LIST>;
close(LIST);$x=0;
foreach $member(@addresses)
{
@info = split(/::/, $member);
&clean;
if ($in{'address'} eq $info[1]){@addresses[$x]="";
open(LIST,">$temp_file");
if ($lock){ 
flock(LIST, $lock);
}
foreach $member(@addresses)
{
@info = split(/::/, $member);
&clean;
unless($member eq "")
{print LIST "$member\n";}
}}
$x++;
}
exit;
}

sub adminerror
{
$message="There appears to be something not quite right about
that password. Please go back and try again.";&message;
exit;
}

sub admin
{
$message="<form action=mailmachine.cgi method=post>Password: <input type=password name=adminpass><BR><BR><input type=submit value=Enter><input type=reset value=Clear></FORM>";&message;
exit;
}

sub clean
{
chomp($member);
$member=~ s/^\s+//;
$member=~ s/\s+$//;
}

sub not_found
{
$message="It appears that <font color=red>$in{'address'}</font>
isn't on the list so that e-mail address cannot be unsubscribed!";&message;
exit;
}

sub deletemember
{
@addresses[$x]="";
open(LIST,">$file");
if ($lock){ 
flock(LIST, $lock);
}
foreach $member(@addresses)
{
&clean;
unless($member eq "")
{print LIST "$member\n";}
}
$message="<font color=red>$in{'address'}</font> has been successfully removed from the $list_name.";
if ($in{'action2'} ne "without") {
&mailun;
}
&message;
exit;
}

sub mailadd{
open (MAIL, "|$mailprog -t") || die "Can't open $mailprog!\n";
print MAIL "From: $admin_email\n";
print MAIL "To: $in{'address'}\n";
print MAIL "Subject: You Have Subscribed - Please Read\n\n";
print MAIL <<to_the_end;
This is to confirm your addition to the $list_name.

Thank you for subscribing to my newsletter.

Have a great day.

to_the_end

close (MAIL);

if ($sendto eq "1") {
open (MAIL, "|$mailprog -t") || die "Can't open $mailprog!\n";
print MAIL "From: $admin_email\n";
print MAIL "To: $admin_email\n";
print MAIL "Subject: Mailing List Entry\n\n";
print MAIL <<to_the_end;
$in{'address'} has been added to the $list_name.

to_the_end

close (MAIL);
}
}

sub mailtemp{
open (MAIL, "|$mailprog -t") || die "Can't open $mailprog!\n";
print MAIL "From: $admin_email\n";
print MAIL "To: $in{'address'}\n";
print MAIL "Subject: Confirmation e-mail\n\n";
print MAIL <<to_the_end;
This is to confirm your addition to the $list_name. Click on the link below to move your e-mail address off the temporary list and successfully on the $list_name. If you did NOT subscribe to this list, then here is the person who did: $ENV{'REMOTE_ADDR'} In any case, don't click on the link below and you will NEVER receive anything from us :)

http://$url$script_url?$in{'address'}&$in{'number'}
(Or copy and paste the link into your browser)

Regards,
Your_Name

to_the_end

close (MAIL); 
}

sub mailun{
open (MAIL, "|$mailprog -t") || die "Can't open $mailprog!\n";
print MAIL "From: $admin_email\n";
print MAIL "To: $in{'address'}\n";
print MAIL "Subject: You have been unsubscribed!\n\n";
print MAIL <<to_the_end;
You have been unsubscribed from the $list_name.

to_the_end

close (MAIL);

if ($sendto eq "1") {
open (MAIL, "|$mailprog -t") || die "Can't open $mailprog!\n";
print MAIL "From: $admin_email\n";
print MAIL "To: $admin_email\n";
print MAIL "Subject: Adios!\n\n";
print MAIL <<to_the_end;
$in{'address'} has been unsubscribed from the $list_name.

to_the_end

close (MAIL);
}
}

sub adminform
{

$number=0;
open(LIST,"$file");
if ($lock){ 
flock(LIST, $lock);
}
@addresses=<LIST>;
print LIST "$number\n";
close(LIST);
$number = push(@addresses);

$number2=0;
open(TEMPLIST,"$temp_file");
if ($lock){ 
flock(TEMPLIST, $lock);
}
@tempaddresses=<TEMPLIST>;
print TEMPLIST "$number2\n";
close(TEMPLIST);
$number2 = push(@tempaddresses);

print "<html><title>$list_name</title><body bgcolor=white>
<center><pre>


</pre>
<table width=500>
<td align=center>
<font face=arial>
<font face=arial size=+1 color=blue><b>$list_name</b></font>
<br><br>
There are currently <font color=red>$number</font> e-mail addresses in the database, and <font color=red>$number2</font> e-mail addresses awaiting verification.
<form action=mailmachine.cgi method=post><BR>Archives: <select name=archives>";

open(LIST,"archives/log.txt");
if ($lock){ 
flock(LIST, $lock);
}
@entries=<LIST>;
close(LIST);
@entries = reverse(@entries);
foreach $entry(@entries)
{
print "<option>$entry\n";
$x++;
}

print "</select><input type=submit name=action value=Load></form><form action=mailmachine.cgi method=post>Subject: <input type=text name=subject><BR><BR>Message: <BR><textarea name=message rows=12 cols=50></textarea><BR><BR><input type=submit name=action value=Send><input type=reset value=Clear name=></FORM><BR><form action=mailmachine.cgi method=post><input type=text name=address> 
Subscribe user <input type=submit name=action value=with><input type=submit name=action value=without> notification.</form>
<br><TABLE><TR><form action=mailmachine.cgi method=post>
<TD>Database:<BR>
<select name=address size=6>";

@addresses = sort(@addresses);
foreach $member(@addresses)
{
print "<option>$member";
$x++;
}

print "</select><BR><CENTER>Unsubscribe user <input type=submit name=action2 value=with><input type=submit name=action2 value=without> notification.</CENTER></TD></form></TR></TABLE>";
# Removing or altering the code below will void your acceptance of the
# terms and conditions and consequently you will no longer be able to
# use the program. Please contact me if you have any questions regarding
# this.
print "<BR><BR><BR><BR>
<font face=arial size=-1>Mail Machine v3.985<BR>
Free from <A HREF=\"http://www.mikesworld.net\">Mike's World</A></font>
</td>
</table>
</body></html>";
}

sub load
{

print "<html><title>$list_name</title><body bgcolor=white>
<center><pre>


</pre>
<table width=500>
<td align=center>
<font face=arial>
<font face=arial size=+1 color=blue><b>$list_name</b></font>
<br><br><form action=mailmachine.cgi method=post>Archives: <select name=archives>";

open(LIST,"archives/log.txt");
if ($lock){ 
flock(LIST, $lock);
}
@entries=<LIST>;
close(LIST);
@entries = reverse(@entries);
foreach $entry(@entries)
{
print "<option>$entry\n";
$x++;
}

print "</select><input type=submit name=action value=Load></form><form action=mailmachine.cgi method=post>Subject: <input type=text name=subject value=\"";

open(FILE,"archives/$in{'archives'}.txt");
while (<FILE>) {
($message, $subject) = split /::/;

if($subject ne "")
{
print "$subject\"";
}
}
close(FILE);

print "><BR><BR>Message: <BR><textarea name=message rows=12 cols=50>";

open(FILE,"archives/$in{'archives'}.txt");
while (<FILE>) {
($message, $subject) = split /::/;
print "$message";
}
close(FILE);

print "</textarea><BR><BR><input type=submit name=action value=Send><input type=reset value=Clear name=></FORM><A HREF=\"javascript:history.back()\">Back</A>";

# Removing or altering the code below will void your acceptance of the
# terms and conditions and consequently you will no longer be able to
# use the program. Please contact me if you have any questions regarding
# this.
print "<BR><BR><BR><BR>
<font face=arial size=-1>Mail Machine v3.985<BR>
Free from <A HREF=\"http://www.mikesworld.net\">Mike's World</A></font>
</td>
</table>
</body></html>";
exit;
}

sub send
{
$pid = fork();
$pid;
if ($pid) {
&sendcomplete;
&archive;
exit(0);
}
else {
close (STDOUT);

open(LIST,"$file");
if ($lock){ 
flock(LIST, $lock);
}
@addresses=<LIST>;
close(LIST);

foreach $member(@addresses)
{
chomp($member);

open (MAIL, "|$mailprog -t") || die "Can't open $mailprog!\n";
if ($html eq "1") {
print MAIL "Content-type:text/html\n";
}
print MAIL "From: $admin_email\n";
print MAIL "To: $member\n";
print MAIL "Subject: $in{'subject'}\n\n";
print MAIL "$in{'message'}\n\n";
if ($remove_notice eq "1") {
if ($html eq "1") {
print MAIL <<to_the_end;
<BR><BR>
---------------------------------------------------------------------<BR>
Copy and paste the ENTIRE web address in your browser and hit "Enter" to be removed from the 
$list_name.<BR><BR>

<A HREF="http://$url$script_url?$member">http://$url$script_url?$member</A><BR>
(You will get a confirmation if you have done this correctly.)<BR>
---------------------------------------------------------------------
to_the_end
}
else {
print MAIL <<to_the_end;
---------------------------------------------------------------------
Click on the link below to be removed from the 
$list_name.

http://$url$script_url?$member
(Or copy and paste the ENTIRE link into your browser)
---------------------------------------------------------------------
to_the_end
}

close (MAIL);
}
&confirmation;
exit;
}
}

sub archive
{
open(LIST, ">>archives/log.txt");
if ($lock){ 
flock(LIST, $lock);
}
print LIST "$date - $in{'subject'}\n";
close(LIST);

$message = "$in{'message'}";
$subject = "$in{'subject'}";
$new_entry = $message . "::" .
$subject;
open(FILE, ">>archives/$date - $in{'subject'}.txt");
if ($lock){ 
flock(FILE, $lock);
}
print FILE "$new_entry\n";
close(FILE);
}

sub sendcomplete
{
$message="Congratulations! The mailing has been started. You will receive a confirmation e-mail when the mailing has been completed.";
&message;
}

sub confirmation
{
open (MAIL, "|$mailprog -t") || die "Can't open $mailprog!\n";
if ($html eq "1") {
print MAIL "Content-type:text/html\n";
}
print MAIL "From: $admin_email\n";
print MAIL "To: $admin_email\n";
print MAIL "Subject: Congratulations!\n\n";
if ($html eq "1") {
print MAIL <<to_the_end;
Congratulations! The mailing completed successfully. Here is what was sent:<BR><BR>

$in{'message'}
to_the_end
close (MAIL);
}
else {
print MAIL <<to_the_end;
Congratulations! The mailing completed successfully. Here is what was sent:

$in{'message'}
to_the_end
close (MAIL);
}
}

sub message
{
print qq~
<html><title>$list_name</title><body bgcolor=white>
<center><pre>


</pre>
<table width=500>
<td align=center>
<font face=arial>
<font face=arial size=+1 color=blue><b>$list_name</b></font>
<br><br>$message~;
if("admin" ne $ENV{'QUERY_STRING'}){
print "<BR><BR><A HREF=\"javascript:history.back()\">Back</A>"

# Removing or altering the code below will void your acceptance of the
# terms and conditions and consequently you will no longer be able to
# use the program. Please contact me if you have any questions regarding
# this.
print "<BR><BR><BR><BR>
<font face=arial size=-1>Mail Machine v3.985<BR>
Free from <A HREF=\"http://www.mikesworld.net\">Mike's World</A></font>
</td>
</table>
</body></html>";

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