#!/usr/bin/perl
# A simple Perl-based CGI email handler.
#
# Copyright 2004 Boutell.Com, Inc. Compatible with our earlier C program.
#
# Released under the same license terms as Perl 5 itself.
#
# We ask, but do not require, that you link to
# http://www.boutell.com/email/ when using this script or a
# variation of it.
use CGI;
my $sendmail = "/usr/sbin/sendmail";
# A text file containing a list of valid email recipients and the web pages to
# which the user should be redirected after email is sent to each, on
# alternating lines. This allows one copy of the script to serve multiple
# purposes without the risk that the script will be abused to send spam.
# YOU MUST CREATE SUCH A TEXT FILE AND CHANGE THE NEXT LINE TO ITS
# LOCATION ON THE SERVER.
my $emailConfPath = "/home/httpd/html/stocznia/mail/email.conf";
# Parse any submitted form fields and return an object we can use
# to retrieve them
my $query = new CGI;
my $name = &veryclean($query->param('name'));
my $email = &veryclean($query->param('email'));
my $recipient = &veryclean($query->param('recipient'));
my $subject = &veryclean($query->param('subject'));
#newlines allowed
my $content = &clean($query->param('content'));
#Note: subject is not mandatory, but you can easily change that
if (($name eq "") || ($email eq "") || ($content eq "") || ($recipient eq ""))
{
&error("Email Rejected",
"Please fill out all fields provided. Back up to the " .
"previous page to try again.");
}
if (!open(IN, "$emailConfPath")) {
&error("Configuration Error",
"The file $emailConfPath does not exist or cannot be " .
"opened. Please read the documentation before installing " .
"email.cgi.");
}
my $returnpage;
my $ok = 0;
while (1) {
my $recipientc = <IN>;
$recipientc =~ s/\s+$//;
if ($recipientc eq "") {
last;
}
my $returnpagec = <IN>;
$returnpagec =~ s/\s+$//;
if ($returnpagec eq "") {
last;
}
if ($recipientc eq $recipient) {
$ok = 1;
$returnpage = $returnpagec;
last;
}
}
close(IN);
if (!$ok) {
&error("Email Rejected",
"The requested destination address is not one of " .
"the permitted email recipients. Please read the " .
"documentation before installing email.cgi.");
}
# Open a pipe to the sendmail program
open(OUT, "|$sendmail -t");
# Use the highly convenient <<EOM notation to include the message
# in this script more or less as it will actually appear
print OUT <<EOM
To: $recipient
Subject: $subject
Reply-To: $email
Supposedly-From: $name
[Wiadomosc wyslana z serwera, ktos sie wkurzyl?.]
$content
EOM
;
close(OUT);
# Now redirect to the appropriate "landing" page for this recipient.
print $query->redirect($returnpage);
exit 0;
sub clean
{
# Clean up any leading and trailing whitespace
# using regular expressions.
my $s = shift @_;
$s =~ s/^\s+//;
$s =~ s/\s+$//;
return $s;
}
sub veryclean
{
# Also forbid newlines by folding all internal whitespace to
# single spaces. This prevents faking extra headers to cc
# extra people.
my $s = shift @_;
$s = &clean($s);
$s =~ s/\s+$/ /g;
return $s;
}
sub error
{
# Output a valid HTML page as an error message
my($title, $content) = @_;
print $query->header;
print <<EOM
<html>
<head>
<title>$title</title>
</head>
<body>
<h1 align="center">$title</h1>
<p>
$content
</p>
EOM
;
exit 0;
}
Zaloguj się
Zarejestruj się
FAQ
Szukaj
