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GELÖST

Brauche Unterstützung mit Mercury Mail bzw. mit Formmail.pl

Frage Internet E-Mail

Mitglied: infowars

infowars (Level 2) - Jetzt verbinden

19.01.2011 um 13:00 Uhr, 12982 Aufrufe, 1 Kommentar

Hi, ich habe das Problem das meine Emails ohne Datum/Zeit ankommen, welche von formmail.pl an Mercury Mail geschickt werden
und ich finde den Fehler einfach nicht, vermute aber daß das Format nicht stimmt.

Also auf der Intranet-Seite gebe ich die Nachricht ein und drücke auf abschicken:

<form action="/cgi-bin/FormMail.pl"
method=post enctype="multipart/form-data">
<input type="hidden" name="recipient" value="homepage@localhost">
<input type="hidden" name="subject" value="homepagenachricht">
<table align="left">
<tr>
<td>Ihr Name:</td>
<td><input name=Name size=20></td>
<tr>
<td>eMail:</td>
<td><input name=Absender size=20></td>
<tr>
<td>Text:</td>
<td><textarea name=Text size=20></textarea></td>
<tr>
<td colspan=2 align=center>
<input type=submit value="Senden">
</td>
</table>
</form>



Die Mail wird von Mercury angenommen, hier die Nachricht :


Received: from spooler by localhost (Mercury/32 v4.72); 19 Jan 2011 12:15:59 +0100
X-Envelope-To: <homepage@localhost>
Return-path: <postmaster@localhost>
Received: from localhost (127.0.0.1) by localhost (Mercury/32 v4.72) with ESMTP ID MG000008;
19 Jan 2011 12:15:49 +0100
Received: from [xxx.xxx.xxx.xxx]
by localhost (NMS FormMail 3.14c1)
with HTTP; %a, %e %b %Y %H:%M:%S GMT
(script-name /cgi-bin/FormMail.pl)
(http-host localhost)
(http-referer http://localhost/kontakt.html)
X-Mailer: NMS FormMail 3.14c1
To: homepage@localhost
From: homepage
Subject: homepagenachricht
X-PMFLAGS: 33554560 0 0 Y20XVO8S.CNM
Below is the result of your feedback form. It was submitted by
() on Mittwoch, 19. Januar, 2011 um 11:15:48
Anrede: Herr
Name: test
Absender: test@test.de
Text: test
Und hier der Header der Email:

Received: from spooler by localhost (Mercury/32 v4.72); 19 Jan 2011 12:15:59 +0100
X-Envelope-To: <homepage@localhost>
Return-path: <postmaster@localhost>
Received: from localhost (127.0.0.1) by localhost (Mercury/32 v4.72) with ESMTP ID MG000008;
19 Jan 2011 12:15:49 +0100
Received: from [xxx.xxx.xxx.xxx]
by localhost (NMS FormMail 3.14c1)
with HTTP; %a, %e %b %Y %H:%M:%S GMT
(script-name /cgi-bin/FormMail.pl)
(http-host localhost)
(http-referer http:/localhost/kontakt.html)
X-Mailer: NMS FormMail 3.14c1
To: homepage@localhost
From: homepage
Subject: homepagenachricht
X-PMFLAGS: 33570944 0 65537 PJY3DOXG.CNM




Inhalt von Formmail.pl :



#!C:/xampp/perl/bin/perl.exe -wT

  1. NMS FormMail Version 3.14c1

use strict;
use vars qw(
$DEBUGGING $emulate_matts_code $secure %more_config
$allow_empty_ref $max_recipients $mailprog @referers
@allow_mail_to @recipients %recipient_alias
@valid_ENV $date_fmt $style $send_confirmation_mail
$confirmation_text $locale $charset $no_content
$double_spacing $wrap_text $wrap_style $postmaster
$address_style
);

  1. PROGRAM INFORMATION
  2. -------------------
  3. FormMail.pl Version 3.14c1
  1. This program is licensed in the same way as Perl
  2. itself. You are free to choose between the GNU Public
  3. License <http://www.gnu.org/licenses/gpl.html>" or
  4. the Artistic License
  5. <http://www.perl.com/pub/a/language/misc/Artistic.html>"
  1. For help on configuration or installation see the
  2. README file or the POD documentation at the end of
  3. this file.

  1. USER CONFIGURATION SECTION
  2. --------------------------
  3. Modify these to your own settings. You might have to
  4. contact your system administrator if you do not run
  5. your own web server. If the purpose of these
  6. parameters seems unclear, please see the README file.
BEGIN
{
$DEBUGGING = 1;
$emulate_matts_code= 0;
$secure = 1;
$allow_empty_ref = 1;
$max_recipients = 5;
$mailprog = 'C:/xampp/sendmail/sendmail.exe -oi -t';
$postmaster = 'homepage';
@referers = qw(127.0.0.1 localhost );
@allow_mail_to = qw(homepage@localhost postmaster@localhost);
@recipients = ();
%recipient_alias = ();
@valid_ENV = qw(REMOTE_HOST REMOTE_ADDR REMOTE_USER HTTP_USER_AGENT);
$locale = '1';
$charset = 'iso-8859-1';
$date_fmt = '%A, %d. %B, %Y um %H:%M:%S';
$style = '../css/css.css';
$no_content = 0;
$double_spacing = 1;
$wrap_text = 0;
$wrap_style = 1;
$address_style = 0;
$send_confirmation_mail = 0;
$confirmation_text = <<'END_OF_CONFIRMATION';
From: homepage@127.0.0.1
Subject: homepagenachricht

Thank you for your form submission.

END_OF_CONFIRMATION

  1. You may need to uncomment the line below and adjust the path.
  2. use lib './lib';

  1. USER CUSTOMISATION SECTION
  2. --------------------------
  3. Place any custom code here



  1. USER CUSTOMISATION << END >>
  2. ----------------------------
  3. (no user serviceable parts beyond here)
}

  1. The code below consists of module source inlined into this
  2. script to make it a standalone CGI.
  1. Inlining performed by NMS inline - see /v2/buildtools/inline
  2. in CVS at http://sourceforge.net/projects/nms-cgi for details.
BEGIN {


$CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer = <<'END_INLINED_CGI_NMS_Mailer';
package CGI::NMS::Mailer;
use strict;

use POSIX qw(strftime);

=head1 NAME

CGI::NMS::Mailer - email sender base class

=head1 SYNOPSYS

use base qw(CGI::NMS::Mailer);

...

=head1 DESCRIPTION

This is a base class for classes implementing low-level email
sending objects for use within CGI scripts.

=head1 METHODS

=over

=item output_trace_headers ( TRACEINFO )

Uses the print() virtual method to output email abuse tracing headers
including whatever useful information can be gleaned from the CGI
environment variables.

The TRACEINFO parameter should be a short string giving the name and
version of the CGI script.

=cut

sub output_trace_headers {
my ($self, $traceinfo) = @_;

$ENV{REMOTE_ADDR} =~ /^\[?([\d\.\:a-f]{7,100})\]?$/i or die
"failed to get remote address from [$ENV{REMOTE_ADDR}], so can't send traceable email";
$self->print("Received: from [$1]\n");

my $me = ($ENV{SERVER_NAME} =~ /^([\w\-\.]{1,100})$/ ? $1 : 'unknown');
$self->print("\tby $me ($traceinfo)\n");

my $date = strftime '%a, %e %b %Y %H:%M:%S GMT', gmtime;
$self->print("\twith HTTP; $date\n");

if ($ENV{SCRIPT_NAME} =~ /^([\w\-\.\/]{1,100})$/) {
$self->print("\t(script-name $1)\n");
}

if (defined $ENV{HTTP_HOST} and $ENV{HTTP_HOST} =~ /^([\w\-\.]{1,100})$/) {
$self->print("\t(http-host $1)\n");
}

my $ff = $ENV{HTTP_X_FORWARDED_FOR};
if (defined $ff) {
$ff =~ /^\s*([\w\-\.\[\] ,]{1,200})\s*/ or die
"malformed X-Forwarded-For [$ff], suspect attack, aborting";

$self->print("\t(http-x-forwarded-for $1)\n");
}

my $ref = $ENV{HTTP_REFERER};
if (defined $ref and $ref =~ /^([\w\-\.\/\:\;\%\@\#\~\=\+\?]{1,100})$/) {
$self->print("\t(http-referer $1)\n");
}
}

=back

=head1 VIRTUAL METHODS

Subclasses must implement the following methods:

=over

=item newmail ( TRACEINFO, SENDER, @RECIPIENTS )

Starts a new email. TRACEINFO is the script name and version, SENDER is
the email address to use as the envelope sender and @RECIPIENTS is a list
of recipients. Dies on error.

=item print ( @ARGS )

Concatenates the arguments and appends them to the email. Both the
header and the body should be sent in this way, separated by a single
blank line. Dies on error.

=item endmail ()

Finishes the email, flushing buffers and sending it. Dies on error.

=back

=head1 SEE ALSO

L<CGI::NMS::Mailer::Sendmail>, L<CGI::NMS::Mailer::SMTP>,
L<CGI::NMS::Script>

=head1 MAINTAINERS

The NMS project, E<lt>http://nms-cgi.sourceforge.net/E<gt>"

To request support or report bugs, please email
E<lt>nms-cgi-support@lists.sourceforge.netE<gt>

=head1 COPYRIGHT

Copyright 2003 London Perl Mongers, All rights reserved

=head1 LICENSE

This module is free software; you are free to redistribute it
and/or modify it under the same terms as Perl itself.

=cut

1;


END_INLINED_CGI_NMS_Mailer


$CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer_SMTP = <<'END_INLINED_CGI_NMS_Mailer_SMTP';
package CGI::NMS::Mailer::SMTP;
use strict;

use IO::Socket;
BEGIN {
do {
unless (eval {local $SIG{__DIE__} ; require CGI::NMS::Mailer}) {
eval $CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer or die $@;
$INC{'CGI/NMS/Mailer.pm'} = 1;
}
undef $CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer; # to save memory
};

import CGI::NMS::Mailer }
use base qw(CGI::NMS::Mailer);

=head1 NAME

CGI::NMS::Mailer::SMTP - mail sender using SMTP

=head1 SYNOPSYS

my $mailer = CGI::NMS::Mailer::SMTP->new('localhost');

$mailer->newmail($from, $to);
$mailer->print($email_header_and_body);
$mailer->endmail;

=head1 DESCRIPTION

This implementation of the mailer object defined in L<CGI::NMS::Mailer>
uses an SMTP connection to a mail relay to send the email.

=head1 CONSTRUCTORS

=over

=item new ( MAILHOST )

MAILHOST must be the name or dotted decimal IP address of an SMTP
server that will relay mail for the web server.

=cut

sub new {
my ($pkg, $mailhost) = @_;

$mailhost .= ':25' unless $mailhost =~ /:/;
return bless { Mailhost => $mailhost }, $pkg;
}

=back

=head1 METHODS

See L<CGI::NMS::Mailer> for the user interface to these methods.

=over

=item newmail ( SCRIPTNAME, SENDER, @RECIPIENTS )

Opens the SMTP connection and sends trace headers.

=cut

sub newmail {
my ($self, $scriptname, $sender, @recipients) = @_;

$self->{Sock} = IO::Socket::INET->new($self->{Mailhost});
defined $self->{Sock} or die "connect to [$self->{Mailhost}]: $!";

my $banner = $self->_smtp_response;
$banner =~ /^2/ or die "bad SMTP banner [$banner] from [$self->{Mailhost}]";

my $helohost = ($ENV{SERVER_NAME} =~ /^([\w\-\.]+)$/ ? $1 : '.');
$self->_smtp_command("HELO $helohost");
$self->_smtp_command("MAIL FROM:<$sender>");
foreach my $r (@recipients) {
$self->_smtp_command("RCPT TO:<$r>");
}
$self->_smtp_command("DATA", '3');

$self->output_trace_headers($scriptname);
}

=item print ( @ARGS )

Writes some email body to the SMTP socket.

=cut

sub print {
my ($self, @args) = @_;

my $text = join '', @args;
$text =~ s#\n#\015\012#g;
$text =~ s#^\.#..#mg;

$self->{Sock}->print($text) or die "write to SMTP socket: $!";
}

=item endmail ()

Finishes sending the mail and closes the SMTP connection.

=cut

sub endmail {
my ($self) = @_;

$self->_smtp_command(".");
$self->_smtp_command("QUIT");
delete $self->{Sock};
}

=back

=head1 PRIVATE METHODS

These methods should be called from within this module only.

=over

=item _smtp_getline ()

Reads a line from the SMTP socket, and returns it as a string,
including the terminating newline sequence.

=cut

sub _smtp_getline {
my ($self) = @_;

my $sock = $self->{Sock};
my $line = <$sock>;
defined $line or die "read from SMTP server: $!";

return $line;
}

=item _smtp_response ()

Reads a command response from the SMTP socket, and returns it as
a single string. A multiline responses is returned as a multiline
string, and the terminating newline sequence is always included.

=cut

sub _smtp_response {
my ($self) = @_;

my $line = $self->_smtp_getline;
my $resp = $line;
while ($line =~ /^\d\d\d\-/) {
$line = $self->_smtp_getline;
$resp .= $line;
}
return $resp;
}

=item _smtp_command ( COMMAND [,EXPECT] )

Sends the SMTP command COMMAND to the SMTP server, and reads a line
in response. Dies unless the first character of the response is
the character EXPECT, which defaults to '2'.

=cut

sub _smtp_command {
my ($self, $command, $expect) = @_;
defined $expect or $expect = '2';

$self->{Sock}->print("$command\015\012") or die
"write [$command] to SMTP server: $!";

my $resp = $self->_smtp_response;
unless (substr($resp, 0, 1) eq $expect) {
die "SMTP command [$command] gave response [$resp]";
}
}

=back

=head1 MAINTAINERS

The NMS project, E<lt>http://nms-cgi.sourceforge.net/E<gt>"

To request support or report bugs, please email
E<lt>nms-cgi-support@lists.sourceforge.netE<gt>

=head1 COPYRIGHT

Copyright 2003 London Perl Mongers, All rights reserved

=head1 LICENSE

This module is free software; you are free to redistribute it
and/or modify it under the same terms as Perl itself.

=cut

1;


END_INLINED_CGI_NMS_Mailer_SMTP


$CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer_Sendmail = <<'END_INLINED_CGI_NMS_Mailer_Sendmail';
package CGI::NMS::Mailer::Sendmail;
use strict;

use IO::File;
BEGIN {
do {
unless (eval {local $SIG{__DIE__} ; require CGI::NMS::Mailer}) {
eval $CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer or die $@;
$INC{'CGI/NMS/Mailer.pm'} = 1;
}
undef $CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer; # to save memory
};

import CGI::NMS::Mailer }
use base qw(CGI::NMS::Mailer);

=head1 NAME

CGI::NMS::Mailer::Sendmail - mail sender using sendmail

=head1 SYNOPSYS

my $mailer = CGI::NMS::Mailer::Sendmail->new('/usr/lib/sendmail -oi -t');

$mailer->newmail($from, $to);
$mailer->print($email_header_and_body);
$mailer->endmail;

=head1 DESCRIPTION

This implementation of the mailer object defined in L<CGI::NMS::Mailer>
uses a piped open to the UNIX sendmail program to send the email.

=head1 CONSTRUCTORS

=over

=item new ( MAILPROG )

MAILPROG must be the shell command to which a pipe is opened, including
all nessessary switches to cause the sendmail program to read the email
recipients from the header of the email.

=cut

sub new {
my ($pkg, $mailprog) = @_;

return bless { Mailprog => $mailprog }, $pkg;
}

=back

=head1 METHODS

See L<CGI::NMS::Mailer> for the user interface to these methods.

=over

=item newmail ( SCRIPTNAME, homepage, @RECIPIENTS )

Opens the sendmail pipe and outputs trace headers.

=cut

sub newmail {
my ($self, $scriptname, $postmaster, @recipients) = @_;

my $command = $self->{Mailprog};
$command .= qq{ -f "$postmaster"} if $postmaster;
my $pipe;
eval { local $SIG{__DIE__};
$pipe = IO::File->new("| $command");
};
if ($@) {
die $@ unless $@ =~ /Insecure directory/;
delete $ENV{PATH};
$pipe = IO::File->new("| $command");
}

die "Can't open mailprog [$command]\n" unless $pipe;
$self->{Pipe} = $pipe;

$self->output_trace_headers($scriptname);
}

=item print ( @ARGS )

Writes some email body to the sendmail pipe.

=cut

sub print {
my ($self, @args) = @_;

$self->{Pipe}->print(@args) or die "write to sendmail pipe: $!";
}

=item endmail ()

Closes the sendmail pipe.

=cut

sub endmail {
my ($self) = @_;

$self->{Pipe}->close or die "close sendmail pipe failed, mailprog=[$self->{Mailprog}]";
delete $self->{Pipe};
}

=back

=head1 MAINTAINERS

The NMS project, E<lt>http://nms-cgi.sourceforge.net/E<gt>"

To request support or report bugs, please email
E<lt>nms-cgi-support@lists.sourceforge.netE<gt>

=head1 COPYRIGHT

Copyright 2003 London Perl Mongers, All rights reserved

=head1 LICENSE

This module is free software; you are free to redistribute it
and/or modify it under the same terms as Perl itself.

=cut

1;


END_INLINED_CGI_NMS_Mailer_Sendmail


unless (eval {local $SIG{__DIE__} ; require CGI::NMS::Charset}) {
eval <<'END_INLINED_CGI_NMS_Charset' or die $@;
package CGI::NMS::Charset;
use strict;

require 5.00404;

use vars qw($VERSION);
$VERSION = sprintf '%d.%.2d', (q$Revision: 1.1 $ =~ /(\d+)\.(\d+)/);

=head1 NAME

CGI::NMS::Charset - a charset-aware object for handling text strings

=head1 SYNOPSIS

my $cs = CGI::NMS::Charset->new('iso-8859-1');

my $safe_to_put_in_html = $cs->escape($untrusted_user_input);

my $printable = &{ $cs->strip_nonprint_coderef }( $input );
my $escaped = &{ $cs->escape_html_coderef }( $printable );

=head1 DESCRIPTION

Each object of class C<CGI::NMS::Charset> is bound to a particular
character set when it is created. The object provides methods to
generate coderefs to perform a couple of character set dependent
operations on text strings.

=cut

=head1 CONSTRUCTORS

=over

=item new ( CHARSET )

Creates a new C<CGI::NMS::Charset> object, suitable for handing text
in the character set CHARSET. The CHARSET parameter must be a
character set string, such as C<us-ascii> or C<utf-8> for example.

=cut

sub new
{
my ($pkg, $charset) = @_;

my $self = { CHARSET => $charset };

if ($charset =~ /^utf-8$/i)
{
$self->{SN} = \&_strip_nonprint_utf8;
$self->{EH} = \&_escape_html_utf8;
}
elsif ($charset =~ /^iso-8859/i)
{
$self->{SN} = \&_strip_nonprint_8859;
if ($charset =~ /^iso-8859-1$/i)
{
$self->{EH} = \&_escape_html_8859_1;
}
else
{
$self->{EH} = \&_escape_html_8859;
}
}
elsif ($charset =~ /^us-ascii$/i)
{
$self->{SN} = \&_strip_nonprint_ascii;
$self->{EH} = \&_escape_html_8859_1;
}
else
{
$self->{SN} = \&_strip_nonprint_weak;
$self->{EH} = \&_escape_html_weak;
}

return bless $self, $pkg;
}

=back

=head1 METHODS

=over

=item charset ()

Returns the CHARSET string that was passed to the constructor.

=cut

sub charset
{
my ($self) = @_;

return $self->{CHARSET};
}

=item escape ( STRING )

Returns a copy of STRING with runs of non-printable characters
replaced with spaces and HTML metacharacters replaced with the
equivalent entities.

If STRING is undef then the empty string will be returned.

=cut

sub escape
{
my ($self, $string) = @_;

return &{ $self->{EH} }( &{ $self->{SN} }($string) );
}

=item strip_nonprint_coderef ()

Returns a reference to a sub to replace runs of non-printable
characters with spaces, in a manner suited to the charset in
use.

The returned coderef points to a sub that takes a single readonly
string argument and returns a modified version of the string. If
undef is passed to the function then the empty string will be
returned.

=cut

sub strip_nonprint_coderef
{
my ($self) = @_;

return $self->{SN};
}

=item escape_html_coderef ()

Returns a reference to a sub to escape HTML metacharacters in
a manner suited to the charset in use.

The returned coderef points to a sub that takes a single readonly
string argument and returns a modified version of the string.

=cut

sub escape_html_coderef
{
my ($self) = @_;

return $self->{EH};
}

=back

=head1 DATA TABLES

=over

=item C<%eschtml_map>

The C<%eschtml_map> hash maps C<iso-8859-1> characters to the
equivalent HTML entities.

=cut

use vars qw(%eschtml_map);
%eschtml_map = (
( map {chr($_) => "&#$_;"} (0..255) ),
'<' => '&lt;',
'>' => '&gt;',
'&' => '&amp;',
'"' => '&quot;',
);

=back

=head1 PRIVATE FUNCTIONS

These functions are returned by the strip_nonprint_coderef() and
escape_html_coderef() methods and invoked by the escape() method.
The function most appropriate to the character set in use will be
chosen.

=over

=item _strip_nonprint_utf8

Returns a copy of STRING with everything but printable C<us-ascii>
characters and valid C<utf-8> multibyte sequences replaced with
space characters.

=cut

sub _strip_nonprint_utf8
{
my ($string) = @_;
return '' unless defined $string;

$string =~
s%
( [\t\n\040-\176] # printable us-ascii
| [\xC2-\xDF][\x80-\xBF] # U+00000080 to U+000007FF
| \xE0[\xA0-\xBF][\x80-\xBF] # U+00000800 to U+00000FFF
| [\xE1-\xEF][\x80-\xBF]{2} # U+00001000 to U+0000FFFF
| \xF0[\x90-\xBF][\x80-\xBF]{2} # U+00010000 to U+0003FFFF
| [\xF1-\xF7][\x80-\xBF]{3} # U+00040000 to U+001FFFFF
| \xF8[\x88-\xBF][\x80-\xBF]{3} # U+00200000 to U+00FFFFFF
| [\xF9-\xFB][\x80-\xBF]{4} # U+01000000 to U+03FFFFFF
| \xFC[\x84-\xBF][\x80-\xBF]{4} # U+04000000 to U+3FFFFFFF
| \xFD[\x80-\xBF]{5} # U+40000000 to U+7FFFFFFF
) | .
%
defined $1 ? $1 : ' '
%gexs;

$string =~ s%\xEF\xBF[\xBE-\xBF]% %g;
$string =~ s%\xED[\xA0-\xBF][\x80-\xBF]% %g;

return $string;
}

=item _escape_html_utf8 ( STRING )

Returns a copy of STRING with any HTML metacharacters
escaped. Escapes all but the most commonly occurring C<us-ascii>
characters and bytes that might form part of valid C<utf-8>
multibyte sequences.

=cut

sub _escape_html_utf8
{
my ($string) = @_;

$string =~ s|([^\w \t\r\n\-\.\,\x80-\xFD])| $eschtml_map{$1} |ge;
return $string;
}

=item _strip_nonprint_weak ( STRING )

Returns a copy of STRING with sequences of NULL characters
replaced with space characters.

=cut

sub _strip_nonprint_weak
{
my ($string) = @_;
return '' unless defined $string;

$string =~ s/\0+/ /g;
return $string;
}

=item _escape_html_weak ( STRING )

Returns a copy of STRING with any HTML metacharacters escaped.
In order to work in any charset, escapes only E<lt>, E<gt>, C<">
and C<&> characters.

=cut

sub _escape_html_weak
{
my ($string) = @_;

$string =~ s/[<>"&]/$eschtml_map{$1}/eg;
return $string;
}

=item _escape_html_8859_1 ( STRING )

Returns a copy of STRING with all but the most commonly
occurring printable characters replaced with HTML entities.
Only suitable for C<us-ascii> or C<iso-8859-1> input.

=cut

sub _escape_html_8859_1
{
my ($string) = @_;

$string =~ s|([^\w \t\r\n\-\.\,\/\:])| $eschtml_map{$1} |ge;
return $string;
}

=item _escape_html_8859 ( STRING )

Returns a copy of STRING with all but the most commonly
occurring printable C<us-ascii> characters and characters
that might be printable in some C<iso-8859-*> charset
replaced with HTML entities.

=cut

sub _escape_html_8859
{
my ($string) = @_;

$string =~ s|([^\w \t\r\n\-\.\,\/\:\240-\377])| $eschtml_map{$1} |ge;
return $string;
}

=item _strip_nonprint_8859 ( STRING )

Returns a copy of STRING with runs of characters that are not
printable in any C<iso-8859-*> charset replaced with spaces.

=cut

sub _strip_nonprint_8859
{
my ($string) = @_;
return '' unless defined $string;

$string =~ tr#\t\n\040-\176\240-\377# #cs;
return $string;
}

=item _strip_nonprint_ascii ( STRING )

Returns a copy of STRING with runs of characters that are not
printable C<us-ascii> replaced with spaces.

=cut

sub _strip_nonprint_ascii
{
my ($string) = @_;
return '' unless defined $string;

$string =~ tr#\t\n\040-\176# #cs;
return $string;
}

=back

=head1 MAINTAINERS

The NMS project, E<lt>http://nms-cgi.sourceforge.net/E<gt>"

To request support or report bugs, please email
E<lt>nms-cgi-support@lists.sourceforge.netE<gt>

=head1 COPYRIGHT

Copyright 2002-2003 London Perl Mongers, All rights reserved

=head1 LICENSE

This module is free software; you are free to redistribute it
and/or modify it under the same terms as Perl itself.

=cut

1;


END_INLINED_CGI_NMS_Charset
$INC{'CGI/NMS/Charset.pm'} = 1;
}


unless (eval {local $SIG{__DIE__} ; require CGI::NMS::Mailer::ByScheme}) {
eval <<'END_INLINED_CGI_NMS_Mailer_ByScheme' or die $@;
package CGI::NMS::Mailer::ByScheme;
use strict;

=head1 NAME

CGI::NMS::Mailer::ByScheme - mail sending engine switch

=head1 SYNOPSYS

my $mailer = CGI::NMS::Mailer::ByScheme->new('/usr/lib/sendmail -oi -t');

my $mailer = CGI::NMS::Mailer::ByScheme->new('SMTP:mailhost.bigisp.net');

=head1 DESCRIPTION

This implementation of the mailer object defined in L<CGI::NMS::Mailer>
chooses between L<CGI::NMS::Mailer::SMTP> and L<CGI::NMS::Mailer::Sendmail>
based on the string passed to new().

=head1 CONSTRUCTORS

=over

=item new ( ARGUMENT )

ARGUMENT must either be the string C<SMTP:> followed by the name or
dotted decimal IP address of an SMTP server that will relay mail
for the web server, or the path to a sendmail compatible binary,
including switches.

=cut

sub new {
my ($pkg, $argument) = @_;

if ($argument =~ /^SMTP[\w\-\.]+(:\d+)?)/i) {
my $mailhost = $1;

do {
unless (eval {local $SIG{__DIE__} ; require CGI::NMS::Mailer::SMTP}) {
eval $CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer_SMTP or die $@;
$INC{'CGI/NMS/Mailer/SMTP.pm'} = 1;
}
undef $CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer_SMTP; # to save memory
};


return CGI::NMS::Mailer::SMTP->new($mailhost);
}
else {

do {
unless (eval {local $SIG{__DIE__} ; require CGI::NMS::Mailer::Sendmail}) {
eval $CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer_Sendmail or die $@;
$INC{'CGI/NMS/Mailer/Sendmail.pm'} = 1;
}
undef $CGI::NMS::INLINED_SOURCE::CGI_NMS_Mailer_Sendmail; # to save memory
};


return CGI::NMS::Mailer::Sendmail->new($argument);
}
}

=back

=head1 MAINTAINERS

The NMS project, E<lt>http://nms-cgi.sourceforge.net/E<gt>"

To request support or report bugs, please email
E<lt>nms-cgi-support@lists.sourceforge.netE<gt>

=head1 COPYRIGHT

Copyright 2003 London Perl Mongers, All rights reserved

=head1 LICENSE

This module is free software; you are free to redistribute it
and/or modify it under the same terms as Perl itself.

=cut

1;


END_INLINED_CGI_NMS_Mailer_ByScheme
$INC{'CGI/NMS/Mailer/ByScheme.pm'} = 1;
}


unless (eval {local $SIG{__DIE__} ; require CGI::NMS::Script}) {
eval <<'END_INLINED_CGI_NMS_Script' or die $@;
package CGI::NMS::Script;
use strict;

use CGI;
use POSIX qw(locale_h strftime);
use CGI::NMS::Charset;

=head1 NAME

CGI::NMS::Script - base class for NMS script modules

=head1 SYNOPSYS

use base qw(CGI::NMS::Script);

...

=head1 DESCRIPTION

This module is a base class for the C<CGI::NMS::Script::*> modules,
which implement plugin replacements for Matt Wright's Perl CGI
scripts.

=head1 CONSTRUCTORS

=over

=item new ( CONFIG )

Creates a new C<CGI::NMS::Script> object and performs compile time
initialisation.

CONFIG is a key,value,key,value list, which will be stored as a hash
within the object, under the name C<CFG>.

=cut

sub new {
my ($pkg, @cfg) = @_;

my $self = bless {}, $pkg;

$self->{CFG} = {
DEBUGGING => 0,
emulate_matts_code => 0,
secure => 1,
locale => '',
charset => 'iso-8859-1',
style => '',
cgi_post_max => 1000000,
cgi_disable_uploads => 1,

$self->default_configuration,

@cfg
};

$self->{Charset} = CGI::NMS::Charset->new( $self->{CFG}{charset} );

$self->init;

return $self;
}

=back

=item CONFIGURATION SETTINGS

Values for the following configuration settings can be passed to new().

Subclasses for different NMS scripts will define their own set of
configuration settings, but they all inherit these as well.

=over

=item C<DEBUGGING>

If this is set to a true value, then the error message will be displayed
in the browser if the script suffers a fatal error. This should be set
to 0 once the script is in service, since error messages may contain
sensitive information such as file paths which could be useful to
attackers.

Default: 0

=item C<name_and_version>

The name and version of the NMS script, as a single string.

=item C<emulate_matts_code>

When this variable is set to a true value (e.g. 1) the script will work
in exactly the same way as its counterpart at Matt's Script Archive. If
it is set to a false value (e.g. 0) then more advanced features and
security checks are switched on. We do not recommend changing this
variable to 1, as the resulting drop in security may leave your script
open to abuse.

Default: 0

=item C<secure>

When this variable is set to a true value (e.g. 1) many additional
security features are turned on. We do not recommend changing this
variable to 0, as the resulting drop in security may leave your script
open to abuse.

Default: 1

=item C<locale>

This determines the language that is used in the format_date() method -
by default this is blank and the language will probably be English.

Default: ''

=item C<charset>

The character set to use for output documents.

Default: 'iso-8859-1'

=item C<style>

This is the URL of a CSS stylesheet which will be used for script
generated messages. This should probably be the same as the one that
you use for all the other pages. This should be a local absolute URI
fragment. Set C<style> to 0 or the empty string if you don't want to
use style sheets.

Default: '';

=item C<cgi_post_max>

The variable C<$CGI::POST_MAX> is gets set to this value before the
request is handled.

Default: 1000000

=item C<cgi_disable_uploads>

The variable C<CGI::DISABLE_UPLOADS> gets set to this value before
the request is handled.

Default: 1

=item C<no_xml_doc_header>

If this is set to a true value then the output_cgi_html_header() method
will omit the XML document header that it would normally output. This
means that the output document will not be strictly valid XHTML, but it
may work better in some older browsers.

Default: not set

=item C<no_doctype_doc_header>

If this is set to a true value then the output_cgi_html_header() method
will omit the DOCTYPE document header that it would normally output.
This means that the output document will not be strictly valid XHTML, but
it may work better in some older browsers.

Default: not set

=item C<no_xmlns_doc_header>

If this is set to a true value then the output_cgi_html_header() method
will omit the C<xmlns> attribute from the opening C<html> tag that it
outputs.

=back

=head1 METHODS

=over

=item request ()

This is the method that the CGI script invokes once for each run of the
CGI. This implementation sets up some things that are common to all NMS
scripts and then invokes the virtual method handle_request() to do the
script specific processing.

=cut

sub request {
my ($self) = @_;

local ($CGI::POST_MAX, $CGI::DISABLE_UPLOADS);
$CGI::POST_MAX = $self->{CFG}{cgi_post_max};
$CGI::DISABLE_UPLOADS = $self->{CFG}{cgi_disable_uploads};

$ENV{PATH} =~ /(.*)/m or die;
local $ENV{PATH} = $1;
local $ENV{ENV} = '';

$self->{CGI} = CGI->new;
$self->{Done_Header} = 0;

my $old_locale;
if ($self->{CFG}{locale}) {
$old_locale = POSIX::setlocale( LC_TIME );
POSIX::setlocale( LC_TIME, $self->{CFG}{locale} );
}

eval { local $SIG{__DIE__} ; $self->handle_request };
my $err = $@;

if ($self->{CFG}{locale}) {
POSIX::setlocale( LC_TIME, $old_locale );
}

if ($err) {
my $message;
if ($self->{CFG}{DEBUGGING}) {
$message = $self->escape_html($err);
}
else {
$message = "See the web server's error log for details";
}

$self->output_cgi_html_header;
print <<END;
<head>
<title>Fehler</title>
</head>
<body>
<h1>Fehler in der Anwendung</h1>
<p>
Probieren Sie es später nochmal
</p>
<p>
$message
</p>
</body>
</html>
END

$self->warn($err);
}
}

=item output_cgi_html_header ()

Prints the CGI content-type header and the standard header lines for
an XHTML document, unless the header has already been output.

=cut

sub output_cgi_html_header {
my ($self) = @_;

return if $self->{Done_Header};

$self->output_cgi_header;

unless ($self->{CFG}{no_xml_doc_header}) {
print qq|<?xml version="1.0" encoding="$self->{CFG}{charset}"?>\n|;
}

unless ($self->{CFG}{no_doctype_doc_header}) {
print <<END;
<!DOCTYPE html PUBLIC " -W3CDTD XHTML 1.0 Transitiona lEN"
"http:
www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
END
}

if ($self->{CFG}{no_xmlns_doc_header}) {
print "<html>\n";
}
else {
print qq|<html xmlns="http://www.w3.org/1999/xhtml;>"\n|;
}

$self->{Done_Header} = 1;
}

=item output_cgi_header ()

Outputs the CGI header for an HTML document.

=cut

sub output_cgi_header {
my ($self) = @_;

my $charset = $self->{CFG}{charset};
my $cgi = $self->cgi_object;

if ($CGI::VERSION >= 2.57) {
          1. This is the correct way to set the charset
          print $cgi->header('-type'=>'text/html', '-charset'=>$charset);
          }
          else {
                  1. However CGI.pm older than version 2.57 doesn't have the
                  2. -charset option so we cheat:
          print $cgi->header('-type' => "text/html; charset=$charset");
          }
          }

          =item output_style_element ()

          Outputs the C<link rel=stylesheet> header line, if a style sheet URL is
          configured.

          =cut

          sub output_style_element {
          my ($self) = @_;

          if ($self->{CFG}{style}) {
          print qq|<link rel="stylesheet" type="text/css" href="$self->{CFG}{style}" />\n|;
          }
          }

          =item cgi_object ()

          Returns a reference to the C<CGI.pm> object for this request.

          =cut

          sub cgi_object {
          my ($self) = @_;

          return $self->{CGI};
          }

          =item param ( ARGS )

          Invokes the param() method of the C<CGI.pm> object for this request.

          =cut

          sub param {
          my $self = shift;

          $self->cgi_object->param(@_);
          }

          =item escape_html ( INPUT )

          Returns a copy of the string INPUT with all HTML metacharacters escaped.

          =cut

          sub escape_html {
          my ($self, $input) = @_;

          return $self->{Charset}->escape($input);
          }

          =item strip_nonprint ( INPUT )

          Returns a copy of the string INPUT with runs of nonprintable characters
          replaced by spaces.

          =cut

          sub strip_nonprint {
          my ($self, $input) = @_;

          &{ $self->{Charset}->strip_nonprint_coderef }($input);
          }

          =item format_date ( FORMAT_STRING [,GMT_OFFSET] )

          Returns the current time and date formated by C<strftime> according
          to the format string FORMAT_STRING.

          If GMT_OFFSET is undefined or the empty string then local time is
          used. Otherwise GMT is used, with an offset of GMT_OFFSET hours.

          =cut

          sub format_date {
          my ($self, $format_string, $gmt_offset) = @_;

          if (defined $gmt_offset and length $gmt_offset) {
          return strftime $format_string, gmtime(time + 60*60*$gmt_offset);
          }
          else {
          return strftime $format_string, localtime;
          }
          }

          =item name_and_version ()

          Returns the NMS script version string that was passed to the constructor.

          =cut

          sub name_and_version {
          my ($self) = @_;

          return $self->{CFG}{name_and_version};
          }

          =item warn ( MESSAGE )

          Appends a message to the web server's error log.

          =cut

          sub warn {
          my ($self, $msg) = @_;

          if ($ENV{SCRIPT_NAME} =~ m#^([\w\-\/\.\:]{1,100})$#) {
          $msg = "$1: $msg";
          }

          if ($ENV{REMOTE_ADDR} =~ /^\[?([\d\.\:a-f]{7,100})\]?$/i) {
          $msg = "[$1] $msg";
          }

          warn "$msg\n";
          }

          =back

          =head1 VIRTUAL METHODS

          Subclasses for individual NMS scripts must provide the following
          methods:

          =over

          =item default_configuration ()

          Invoked from new(), this method must return the default script
          configuration as a key,value,key,value list. Configuration options
          passed to new() will override those set by this method.

          =item init ()

          Invoked from new(), this method can be used to do any script specific
          object initialisation. There is a default implementation, which does
          nothing.

          =cut

          sub init {}

          =item handle_request ()

          Invoked from request(), this method is responsible for performing the
          bulk of the CGI processing. Any fatal errors raised here will be
          trapped and treated according to the C<DEBUGGING> configuration setting.

          =back

          =head1 SEE ALSO

          L<CGI::NMS::Charset>, L<CGI::NMS::Script::FormMail>

          =head1 MAINTAINERS

          The NMS project, E<lt>http://nms-cgi.sourceforge.net/E<gt>"

          To request support or report bugs, please email
          E<lt>nms-cgi-support@lists.sourceforge.netE<gt>

          =head1 COPYRIGHT

          Copyright 2003 London Perl Mongers, All rights reserved

          =head1 LICENSE

          This module is free software; you are free to redistribute it
          and/or modify it under the same terms as Perl itself.

          =cut

          1;


          END_INLINED_CGI_NMS_Script
          $INC{'CGI/NMS/Script.pm'} = 1;
          }


          unless (eval {local $SIG{__DIE__} ; require CGI::NMS::Validator}) {
          eval <<'END_INLINED_CGI_NMS_Validator' or die $@;
          package CGI::NMS::Validator;
          use strict;

          =head1 NAME

          CGI::NMS::Validator - validation methods

          =head1 SYNOPSYS

          use base qw(CGI::NMS::Validator);

          ...

          my $validurl = $self->validate_abs_url($url);

          =head1 DESCRIPTION

          This module provides methods to validate some of the types of
          data the occur in CGI scripts, such as URLs and email addresses.

          =head1 METHODS

          These C<validate_*> methods all return undef if the item passed
          in is invalid, otherwise they return the valid item.

          Some of these methods attempt to transform invalid input into valid
          input (for example, validate_abs_url() will prepend http:// if missing)
          so the returned valid item may not be the same as that passed in.

          The returned value is always detainted.

          =over

          =item validate_abs_url ( URL )

          Validates an absolute URL.

          =cut

          sub validate_abs_url {
          my ($self, $url) = @_;

          $url = "http://$url" unless $url =~ /:/;
          $url =~ s#^(\w+://)# lc $1 #e;

          $url =~ m< ^ ( (?:ftp|http|https):// [\w\-\.]{1,100} (?:\:\d{1,5})? ) ( /* (?:[^\./].*)? ) $ >mx
          or return '';

          my ($prefix, $path) = ($1, $2);
          return $prefix unless length $path;

          $path = $self->validate_local_abs_uri_frag($path);
          return '' unless $path;

          return "$prefix$path";
          }

          =item validate_local_abs_uri_frag ( URIFRAG )

          Validates a local absolute URI fragment, such as C</img/foo.png>. Allows
          a query string. The empty string is considered to be a valid URI fragment.

          =cut

          sub validate_local_abs_uri_frag {
          my ($self, $frag) = @_;

          $frag =~ m< ^ ( (?: \.* / [\w\-.!~*'(|);/\@+\$,%#&=]* )?
          (?: \? [\w\-.!~*'(|);/\@+\$,%#&=]* )?
          )
          $
          >x ? $1 : '';
          }

          =item validate_url ( URL )

          Validates a URL, which can be either an absolute URL or a local absolute
          URI fragment.

          =cut

          sub validate_url {
          my ($self, $url) = @_;

          if ($url =~ m#://#) {
          $self->validate_abs_url($url);
          }
          else {
          $self->validate_local_abs_uri_frag($url);
          }
          }

          =item validate_email ( EMAIL )

          Validates an email address.

          =cut

          sub validate_email {
          my ($self, $email) = @_;

          $email =~ /^([a-z0-9_\-\.\*\+\=]{1,100})\@([^@]{2,100})$/i or return 0;
          my ($user, $host) = ($1, $2);

          return 0 if $host =~ m#^\.|\.$|\.\.#;

          if ($host =~ m#^\[\d+\.\d+\.\d+\.\d+\]$# or $host =~ /^[a-z0-9\-\.]+$/i ) {
          return "$user\@$host";
          }
          else {
          return 0;
          }
          }

          =item validate_realname ( REALNAME )

          Validates a real name, i.e. an email address comment field.

          =cut

          sub validate_realname {
          my ($self, $realname) = @_;

          $realname =~ tr# a-zA-Z0-9_\-,./'\200-\377# #cs;
          $realname = substr $realname, 0, 128;

          $realname =~ m#^([ a-zA-Z0-9_\-,./'\200-\377]*)$# or die "failed on [$realname]";
          return $1;
          }

          =item validate_html_color ( COLOR )

          Validates an HTML color, either as a named color or as RGB values in hex.

          =cut

          sub validate_html_color {
          my ($self, $color) = @_;

          $color =~ /^(#[0-9a-z]{6}|[\w\-]{2,50})$/i ? $1 : '';
          }

          =back

          =head1 SEE ALSO

          L<CGI::NMS::Script>

          =head1 MAINTAINERS

          The NMS project, E<lt>http://nms-cgi.sourceforge.net/E<gt>"

          To request support or report bugs, please email
          E<lt>nms-cgi-support@lists.sourceforge.netE<gt>

          =head1 COPYRIGHT

          Copyright 2003 London Perl Mongers, All rights reserved

          =head1 LICENSE

          This module is free software; you are free to redistribute it
          and/or modify it under the same terms as Perl itself.

          =cut

          1;


          END_INLINED_CGI_NMS_Validator
          $INC{'CGI/NMS/Validator.pm'} = 1;
          }


          unless (eval {local $SIG{__DIE__} ; require CGI::NMS::Script::FormMail}) {
          eval <<'END_INLINED_CGI_NMS_Script_FormMail' or die $@;
          package CGI::NMS::Script::FormMail;
          use strict;

          use vars qw($VERSION);
          $VERSION = substr q$Revision: 1.12 $, 10, -1;

          use Socket; # for the inet_aton()

          use CGI::NMS::Script;
          use CGI::NMS::Validator;
          use CGI::NMS::Mailer::ByScheme;
          use base qw(CGI::NMS::Script CGI::NMS::Validator);

          =head1 NAME

          CGI::NMS::Script::FormMail - FormMail CGI script

          =head1 SYNOPSIS

          #!/usr/bin/perl -wT
          use strict;

          use base qw(CGI::NMS::Script::FormMail);

          use vars qw($script);
          BEGIN {
          $script = __PACKAGE__->new(
          'DEBUGGING' => 1,
          'homepage' => 'me@my.domain',
          'allow_mail_to' => 'me@my.domain',
          );
          }

          $script->request;

          =head1 DESCRIPTION

          This module implements the NMS plugin replacement for Matt Wright's
          FormMail.pl CGI script.

          =head1 CONFIGURATION SETTINGS

          As well as the generic NMS script configuration settings described in
          L<CGI::NMS::Script>, the FormMail constructor recognizes the following
          configuration settings:

          =over

          =item C<allow_empty_ref>

          Some web proxies and office firewalls may strip certain headers from the
          HTTP request that is sent by a browser. Among these is the HTTP_REFERER
          that FormMail uses as an additional check of the requests validity - this
          will cause the program to fail with a 'bad referer' message even though the
          configuration seems fine.

          In these cases, setting this configuration setting to 1 will stop the
          program from complaining about requests where no referer header was sent
          while leaving the rest of the security features intact.

          Default: 1

          =item C<max_recipients>

          The maximum number of e-mail addresses that any single form should be
          allowed to send copies of the e-mail to. If none of your forms send
          e-mail to more than one recipient, then we recommend that you improve
          the security of FormMail by reducing this value to 1. Setting this
          configuration setting to 0 removes all limits on the number of recipients
          of each e-mail.

          Default: 5

          =item C<mailprog>

          The system command that the script should invoke to send an outgoing email.
          This should be the full path to a program that will read a message from
          STDIN and determine the list of message recipients from the message headers.
          Any switches that the program requires should be provided here.

          For example:

          'mailprog' => '/usr/lib/sendmail -oi -t',

          An SMTP relay can be specified instead of a sendmail compatible mail program,
          using the prefix C<SMTP:>, for example:

          'mailprog' => 'SMTP:mailhost.your.domain',

          Default: C<'/usr/lib/sendmail -oi -t'>

          =item C<homepage>

          The envelope sender address to use for all emails sent by the script.

          Default: ''

          =item C<referers>

          This configuration setting must be an array reference, holding a list
          of names and/or IP address of systems that will host forms that refer
          to this FormMail. An empty array here turns off all referer checking.

          Default: []

          =item C<allow_mail_to>

          This configuration setting must be an array reference.

          A list of the email addresses that FormMail can send email to. The
          elements of this list can be either simple email addresses (like
          'you@your.domain') or domain names (like 'your.domain'). If it's a
          domain name then any address at that domain will be allowed.

          Default: []

          =item C<recipients>

          This configuration setting must be an array reference.

          A list of Perl regular expression patterns that determine who the
          script will allow mail to be sent to in addition to those set in
          C<allow_mail_to>. This is present only for compatibility with the
          original FormMail script. We strongly advise against having anything
          in C<recipients> as it's easy to make a mistake with the regular
          expression syntax and turn your FormMail into an open SPAM relay.

          Default: []

          =item C<recipient_alias>

          This configuration setting must be a hash reference.

          A hash for predefining a list of recipients in the script, and then
          choosing between them using the recipient form field, while keeping
          all the email addresses out of the HTML so that they don't get
          collected by address harvesters and sent junk email.

          For example, suppose you have three forms on your site, and you want
          each to submit to a different email address and you want to keep the
          addresses hidden. You might set up C<recipient_alias> like this:

          %recipient_alias = (
          '1' => 'one@your.domain',
          '2' => 'two@your.domain',
          '3' => 'three@your.domain',
          );

          In the HTML form that should submit to the recipient C<two@your.domain>,
          you would then set the recipient with:

          <input type="hidden" name="recipient" value="2" />

          Default: {}

          =item C<valid_ENV>

          This configuration setting must be an array reference.

          A list of all the environment variables that you want to be able to
          include in the email.

          Default: ['REMOTE_HOST','REMOTE_ADDR','REMOTE_USER','HTTP_USER_AGENT']

          =item C<date_fmt>

          The format that the date will be displayed in, as a string suitable for
          passing to strftime().

          Default: '%A, %B %d, %Y at %H:%M:%S'

          =item C<date_offset>

          The empty string to use local time for the date, or an offset from GMT
          in hours to fix the timezone independent of the server's locale settings.

          Default: ''

          =item C<no_content>

          If this is set to 1 then rather than returning the HTML confirmation page
          or doing a redirect the script will output a header that indicates that no
          content will be returned and that the submitted form should not be
          replaced. This should be used carefully as an unwitting visitor may click
          the submit button several times thinking that nothing has happened.

          Default: 0

          =item C<double_spacing>

          If this is set to 1 then a blank line is printed after each form value in
          the e-mail. Change this value to 0 if you want the e-mail to be more
          compact.

          Default: 1

          =item C<join_string>

          If an input occurs multiple times, the values are joined to make a
          single string value. The value of this configuration setting is
          inserted between each value when they are joined.

          Default: ' '

          =item C<wrap_text>

          If this is set to 1 then the content of any long text fields will be
          wrapped at around 72 columns in the e-mail which is sent. The way that
          this is done is controlled by the C<wrap_style> configuration setting.

          Default: 0

          =item C<wrap_style>

          If C<wrap_text> is set to 1 then if this is set to 1 then the text will
          be wrapped in such a way that the left margin of the text is lined up
          with the beginning of the text after the description of the field -
          that is to say it is indented by the length of the field name plus 2.

          If it is set to 2 then the subsequent lines of the text will not be
          indented at all and will be flush with the start of the lines. The
          choice of style is really a matter of taste although you might find
          that style 1 does not work particularly well if your e-mail client
          uses a proportional font where the spaces of the indent might be
          smaller than the characters in the field name.

          Default: 1

          =item C<address_style>

          If C<address_style> is set to 0 then the full address for the user who filled
          in the form will be used as "$email ($realname)" - this is also what the
          format will be if C<emulate_matts_code> is true.

          If it is set to 1 then the address format will be "$realname <$email>".

          Default: 0

          =item C<force_config_*>

          Configuration settings of this form can be used to fix configuration
          settings that would normally be set in hidden form fields. For
          example, to force the email subject to be "Foo" irrespective of what's
          in the C<subject> form field, you would set:

          'force_config_subject' => 'Foo',

          Default: none set

          =item C<include_config_*>

          Configuration settings of this form can be used to treat particular
          configuration inputs as normal data inputs as well as honoring their
          special meaning. For example, a user might use C<include_config_email>
          to include the email address as a regular input as well as using it in
          the email header.

          Default: none set

          =back

          =head1 COMPILE TIME METHODS

          These methods are invoked at CGI script compile time only, so long as
          the new() call is placed inside a BEGIN block as shown above.

          =over

          =item default_configuration ()

          Returns the default values for the configuration passed to the new()
          method, as a key,value,key,value list.

          =cut

          sub default_configuration {
          return (
          allow_empty_ref => 1,
          max_recipients => 5,
          mailprog => '/usr/lib/sendmail -oi -t',
          postmaster => 'homepage',
          referers => [],
          allow_mail_to => [],
          recipients => [],
          recipient_alias => {},
          valid_ENV => [qw(REMOTE_HOST REMOTE_ADDR REMOTE_USER HTTP_USER_AGENT)],
          date_fmt => '%A, %B %d, %Y at %H:%M:%S',
          date_offset => '0',
          no_content => 0,
          double_spacing => 1,
          join_string => ' ',
          wrap_text => 0,
          wrap_style => 1,
          address_style => 0,
          );
          }

          =item init ()

          Invoked from the new() method inherited from L<CGI::NMS::Script>,
          this method performs FormMail specific initialization of the script
          object.

          =cut

          sub init {
          my ($self) = @_;

          if ($self->{CFG}{wrap_text}) {
          require Text::Wrap;
          import Text::Wrap;
          }

          $self->{Valid_Env} = { map {$_=>1} @{ $self->{CFG}{valid_ENV} } };

          $self->init_allowed_address_list;

          $self->{Mailer} = CGI::NMS::Mailer::ByScheme->new($self->{CFG}{mailprog});
          }

          =item init_allowed_address_list ()

          Invoked from init(), this method sets up a hash with a key for each
          allowed recipient email address as C<Allow_Mail> and a hash with a
          key for each domain at which any address is allowed as C<Allow_Domain>.

          =cut

          sub init_allowed_address_list {
          my ($self) = @_;

          my @allow_mail = ();
          my @allow_domain = ();

          foreach my $m (@{ $self->{CFG}{allow_mail_to} }) {
          if ($m =~ /\@/) {
          push @allow_mail, $m;
          }
          else {
          push @allow_domain, $m;
          }
          }

          my @Alias_targets = split /\s*,\s*/, join ',', values %{ $self->{CFG}{recipient_alias} };
          push @allow_mail, grep /\@/, @Alias_targets;

              1. The username part of email addresses should be case sensitive, but the
              2. domain name part should not. Map all domain names to lower case for
              3. comparison.
          my (%allow_mail, %allow_domain);
          foreach my $m (@allow_mail) {
          $m =~ /^([^@]+)\@([^@]+)$/ or die "internal failure [$m]";
          $m = $1 . '@' . lc $2;
          $allow_mail{$m} = 1;
          }
          foreach my $m (@allow_domain) {
          $m = lc $m;
          $allow_domain{$m} = 1;
          }

          $self->{Allow_Mail} = \%allow_mail;
          $self->{Allow_Domain} = \%allow_domain;
          }

          =back

          =head1 RUN TIME METHODS

          These methods are invoked at script run time, as a result of the call
          to the request() method inherited from L<CGI::NMS::Script>.

          =over

          =item handle_request ()

          Handles the core of a single CGI request, outputting the HTML success
          or error page or redirect header and sending emails.

          Dies on error.

          =cut

          sub handle_request {
          my ($self) = @_;

          $self->{Hide_Recipient} = 0;

          my $referer = $self->cgi_object->referer;
          unless ($self->referer_is_ok($referer)) {
          $self->referer_error_page;
          return;
          }

          $self->check_method_is_post or return;

          $self->parse_form;

          $self->check_recipients( $self->get_recipients ) or return;

          my @missing = $self->get_missing_fields;
          if (scalar @missing) {
          $self->missing_fields_output(@missing);
          return;
          }

          my $date = $self->date_string;
          my $email = $self->get_user_email;
          my $realname = $self->get_user_realname;

          $self->send_main_email($date, $email, $realname);
          $self->send_conf_email($date, $email, $realname);

          $self->success_page($date);
          }

          =item date_string ()

          Returns a string giving the current date and time, in the configured
          format.

          =cut

          sub date_string {
          my ($self) = @_;

          return $self->format_date( $self->{CFG}{date_fmt},
          $self->{CFG}{date_offset} );
          }

          =item referer_is_ok ( REFERER )

          Returns true if the referer is OK, false otherwise.

          =cut

          sub referer_is_ok {
          my ($self, $referer) = @_;

          unless ($referer) {
          return ($self->{CFG}{allow_empty_ref} ? 1 : 0);
          }

          if ($referer =~ m!^https?://([^/]*\@)?([\w\-\.]+)!i) {
          my $refhost = $2;
          return $self->refering_host_is_ok($refhost);
          }
          else {
          return 0;
          }
          }

          =item refering_host_is_ok ( REFERING_HOST )

          Returns true if the host name REFERING_HOST is on the list of allowed
          referers, or resolves to an allowed IP address.

          =cut

          sub refering_host_is_ok {
          my ($self, $refhost) = @_;

          my @allow = @{ $self->{CFG}{referers} };
          return 1 unless scalar @allow;

          foreach my $test_ref (@allow) {
          if ($refhost =~ m|\Q$test_ref\E$|i) {
          return 1;
          }
          }

          my $ref_ip = inet_aton($refhost) or return 0;
          foreach my $test_ref (@allow) {
          next unless $test_ref =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;

          my $test_ref_ip = inet_aton($test_ref) or next;
          if ($ref_ip eq $test_ref_ip) {
          return 1;
          }
          }
          }

          =item referer_error_page ()

          Invoked if the referer is bad, this method outputs an error page
          describing the problem with the referer.

          =cut

          sub referer_error_page {
          my ($self) = @_;

          my $referer = $self->cgi_object->referer || '';
          my $escaped_referer = $self->escape_html($referer);

          if ( $referer =~ m|^https?://([\w\.\-]+)|i) {
          my $host = $1;
          $self->error_page( 'Bad Referrer - Access Denied', <<END );
          <p>
          The form attempting to use this script resides at <tt>$escaped_referer</tt>,
          which is not allowed to access this program.
          </p>
          <p>
          If you are attempting to configure FormMail to run with this form,
          you need to add the following to \@referers, explained in detail in the
          README file.
          </p>
          <p>
          Add <tt>'$host'</tt> to your <tt>\@referers</tt> array.
          </p>
          END
          }
          elsif (length $referer) {
          $self->error_page( 'Malformed Referrer - Access Denied', <<END );
          <p>
          The referrer value <tt>$escaped_referer</tt> cannot be parsed, so
          it is not possible to check that the referring page is allowed to
          access this program.
          </p>
          END
          }
          else {
          $self->error_page( 'Missing Referrer - Access Denied', <<END );
          <p>
          Your browser did not send a <tt>Referer</tt> header with this
          request, so it is not possible to check that the referring page
          is allowed to access this program.
          </p>
          END
          }
          }

          =item check_method_is_post ()

          Unless the C<secure> configuration setting is false, this method checks
          that the request method is POST. Returns true if OK, otherwise outputs
          an error page and returns false.

          =cut

          sub check_method_is_post {
          my ($self) = @_;

          return 1 unless $self->{CFG}{secure};

          my $method = $self->cgi_object->request_method || '';
          if ($method ne 'POST') {
          $self->error_page( 'Error: GET request', <<END );
          <p>
          The HTML form fails to specify the POST method, so it would not
          be correct for this script to take any action in response to
          your request.
          </p>
          <p>
          If you are attempting to configure this form to run with FormMail,
          you need to set the request method to POST in the opening form tag,
          like this:
          <tt>&lt;form action=&quot;/cgi-bin/FormMail.pl&quot; method=&quot;post&quot;&gt;</tt>
          </p>
          END
          return 0;
          }
          else {
          return 1;
          }
          }

          =item parse_form ()

          Parses the HTML form, storing the results in various fields in the
          C<FormMail> object, as follows:

          =over

          =item C<FormConfig>

          A hash holding the values of the configuration inputs, such as
          C<recipient> and C<subject>.

          =item C<Form>

          A hash holding the values of inputs other than configuration inputs.

          =item C<Field_Order>

          An array giving the set and order of fields to be included in the
          email and on the success page.

          =back

          =cut

          sub parse_form {
          my ($self) = @_;

          $self->{FormConfig} = { map {$_=>''} $self->configuration_form_fields };
          $self->{Field_Order} = [];
          $self->{Form} = {};

          foreach my $p ($self->cgi_object->param()) {
          if (exists $self->{FormConfig}{$p}) {
          $self->parse_config_form_input($p);
          }
          else {
          $self->parse_nonconfig_form_input($p);
          }
          }

          $self->substitute_forced_config_values;

          $self->expand_list_config_items;

          $self->sort_field_order;
          $self->remove_blank_fields;
          }

          =item configuration_form_fields ()

          Returns a list of the names of the form fields which are used
          to configure formmail rather than to provide user input, such
          as C<subject> and C<recipient>. The specially treated C<email>
          and C<realname> fields are included in this list.

          =cut

          sub configuration_form_fields {
          qw(
          recipient
          subject
          email
          realname
          redirect
          bgcolor
          background
          link_color
          vlink_color
          text_color
          alink_color
          title
          sort
          print_config
          required
          env_report
          return_link_title
          return_link_url
          print_blank_fields
          missing_fields_redirect
          );
          }

          =item parse_config_form_input ( NAME )

          Deals with the configuration form input NAME, incorporating it into
          the C<FormConfig> field in the blessed hash.

          =cut

          sub parse_config_form_input {
          my ($self, $name) = @_;

          my $val = $self->strip_nonprint($self->cgi_object->param($name));
          if ($name =~ /return_link_url|redirect$/) {
          $val = $self->validate_url($val);
          }
          $self->{FormConfig}{$name} = $val;
          unless ($self->{CFG}{emulate_matts_code}) {
          $self->{Form}{$name} = $val;
          if ( $self->{CFG}{"include_config_$name"} ) {
          push @{ $self->{Field_Order} }, $name;
          }
          }
          }

          =item parse_nonconfig_form_input ( NAME )

          Deals with the non-configuration form input NAME, incorporating it into
          the C<Form> and C<Field_Order> fields in the blessed hash.

          =cut

          sub parse_nonconfig_form_input {
          my ($self, $name) = @_;

          my @vals = map {$self->strip_nonprint($_)} $self->cgi_object->param($name);
          my $key = $self->strip_nonprint($name);
          $self->{Form}{$key} = join $self->{CFG}{join_string}, @vals;
          push @{ $self->{Field_Order} }, $key;
          }

          =item expand_list_config_items ()

          Converts the form configuration values C<required>, C<env_report> and
          C<print_config> from strings of comma separated values to arrays, and
          removes anything not in the C<valid_ENV> configuration setting from
          C<env_report>.

          =cut

          sub expand_list_config_items {
          my ($self) = @_;

          foreach my $p (qw(required env_report print_config)) {
          if ($self->{FormConfig}{$p}) {
          $self->{FormConfig}{$p} = [split(/\s*,\s*/, $self->{FormConfig}{$p})];
          }
          else {
          $self->{FormConfig}{$p} = [];
          }
          }

          $self->{FormConfig}{env_report} =
          [ grep { $self->{Valid_Env}{$_} } @{ $self->{FormConfig}{env_report} } ];
          }

          =item substitute_forced_config_values ()

          Replaces form configuration values for which there is a forced value
          configuration setting with the forced value. Sets C<Hide_Recipient>
          true if the recipient config value is forced.

          =cut

          sub substitute_forced_config_values {
          my ($self) = @_;

          foreach my $k (keys %{ $self->{FormConfig} }) {
          if (exists $self->{CFG}{"force_config_$k"}) {
          $self->{FormConfig}{$k} = $self->{CFG}{"force_config_$k"};
          $self->{Hide_Recipient} = 1 if $k eq 'recipient';
          }
          }
          }

          =item sort_field_order ()

          Modifies the C<Field_Order> field in the blessed hash according to
          the sorting scheme set in the C<sort> form configuration, if any.

          =cut

          sub sort_field_order {
          my ($self) = @_;

          my $sort = $self->{FormConfig}{'sort'};
          if (defined $sort) {
          if ($sort eq 'alphabetic') {
          $self->{Field_Or
Mitglied: infowars
06.02.2011 um 15:49 Uhr
Also, es lag an der Version, habe upgedatet und siehe da:
Es geht auf anhieb !
Bitte warten ..
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