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# Vend::Payment::PayflowPro - Interchange support for PayPal Payflow Pro HTTPS POST
# Copyright (C) 2002-2016 Interchange Development Group and others
# Copyright (C) 1999-2002 Red Hat, Inc.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301 USA.
package Vend::Payment::PayflowPro;
=head1 NAME
Vend::Payment::PayflowPro - Interchange support for PayPal Payflow Pro HTTPS POST and PayPal Express Checkout
[charge mode=payflowpro param1=value1 param2=value2]
The following Perl modules:
PayPal's Payflow Pro HTTPS POST does NOT require the proprietary binary-only
shared library that was formerly used for the Signio and Verisign Payflow Pro services.
The Vend::Payment::PayflowPro module implements the payflowpro() payment routine
for use with Interchange.
It also allows you to accept PayPal via their Express Checkout (your
PayPal account must be linked to your PayPal Manager account to do so).
It is compatible on a call level with the other Interchange payment
modules -- in theory (and even usually in practice) you could switch
from a different payment module to PayflowPro with a few configuration
file changes.
To enable this module, place this directive in F<interchange.cfg>:
Require module Vend::Payment::PayflowPro
This I<must> be in interchange.cfg or a file included from it.
NOTE: Make sure CreditCardAuto is off (default in Interchange demos).
The mode can be named anything, but the C<gateway> parameter must be set
to C<payflowpro>. To make it the default payment gateway for all credit
card transactions in a specific catalog, you can set in F<catalog.cfg>:
Variable MV_PAYMENT_MODE payflowpro
It uses several of the standard settings from Interchange payment. Any time
we speak of a setting, it is obtained either first from the tag/call options,
then from an Interchange order Route named for the mode, then finally a
default global payment variable. For example, the C<id> parameter would
be specified by:
[charge mode=payflowpro id=YourPayflowProID]
Route payflowpro id YourPayflowProID
or with only Payflow Pro as a payment provider
Variable MV_PAYMENT_ID YourPayflowProID
The active settings are:
=over 4
=item id
Your account ID, supplied by PayPal when you sign up.
Global parameter is MV_PAYMENT_ID.
=item secret
Your account password, selected by you or provided by PayPal when you sign up.
Global parameter is MV_PAYMENT_SECRET.
=item partner
Your account partner, selected by you or provided by PayPal when you
sign up. Global parameter is MV_PAYMENT_PARTNER.
=item vendor
Your account vendor, selected by you or provided by PayPal when you
sign up. Global parameter is MV_PAYMENT_VENDOR.
=item transaction
The type of transaction to be run. Valid values are:
Interchange Payflow Pro
---------------- -----------------
sale S
auth A
credit C
void V
settle D (from previous A trans)
Default is C<auth>.
=item accept_for_review
When using Fraud Protection Service, controls whether to accept orders
that triggered filters. Set to 1 to accept. You should also consider
changing the C<status> column of the transactions table to show that the
order was flagged. Something like this in F<etc/log_transaction>:
status: [calc]return $Session->{payment_result}{RESULT} =~ /^12[67]$/ ? 'flagged' : 'pending';[/calc]
=item check_sub
Name of a Sub or GlobalSub to be called after the result hash has been
received from PayPal. A reference to the modifiable result hash is
passed into the subroutine, and it should return true (in the Perl truth
sense) if its checks were successful, or false if not. The transaction type
is passed in as a second arg, if needed.
This can come in handy since, strangely, PayPal has no option to decline
a charge when AVS or CSC data come back negative.
If you want to fail based on a bad AVS check, make sure you're only
doing an auth -- B<not a sale>, or your customers would get charged on
orders that fail the AVS check and never get logged in your system!
Add the parameters like this:
Route payflowpro check_sub avs_check
This is a matching sample subroutine you could put in interchange.cfg:
GlobalSub <<EOR
sub avs_check {
my ($result) = @_;
my ($addr, $zip) = @{$result}{qw( AVSADDR AVSZIP )};
return 1 if $addr eq 'Y' or $zip eq 'Y';
return 1 if $addr eq 'X' and $zip eq 'X';
return 1 if $addr !~ /\S/ and $zip !~ /\S/;
$result->{RESULT} = 112;
$result->{RESPMSG} = "The billing address you entered does not match the cardholder's billing address";
return 0;
That would work equally well as a Sub in catalog.cfg. It will succeed if
either the address or zip is 'Y', or if both are unknown. If it fails,
it sets the result code and error message in the result hash using
PayPal's own (otherwise unused) 112 result code, meaning C<Failed AVS
Of course you can use this sub to do any other post-processing you
want as well.
B<The following are specific to PayPal Express Checkout:>
=over 4
=item returnurl
B<Required.> URL where the buyer will return to. Usually set to something like:
Create the page in F<pages/ord/paypalgetrequest.html> with contents of:
[charge route="payflowpro" action="get"]
[if value country eq GB]
[value name=country set="UK" hide=1]
[bounce href="[area href=ord/paypalcheckout]"]
also, set up F<pages/ord/paypalsetrequest.html>, with contents of:
[charge route="payflowpro" action="set"]
[if session paypal_token]
[bounce href="https://www.[if variable INDEV]sandbox.[/if][data session paypal_token]"]
[bounce href="[area href=__CHECKOUT_PAGE__]"]
Then add the PayPal Checkout button to your basket page:
<a href="[area ord/paypalsetrequest]"><img src="" alt="Checkout with PayPal"></a>
Add a F<pages/ord/paypalcheckout.html> page similar to your regular
checout page, but you may want to disable the editing of the address
fields. In addition, you should remove the
F<include/checkout/payment_method> and
F<include/checout/*_browser_payment> includes, and change the final
C<Place Order> button to include the order profile:
text="[L]Place Order[/L]"
wait-text="-- [L]Wait[/L] --"
In F<etc/log_transction>, immediately after the
[elsif variable MV_PAYMENT_MODE]
line, look for the [charge] tag, and alter it to include the C<action>
parameter, like so:
[charge route="[var MV_PAYMENT_MODE]" action="[if value mv_order_profile eq paypal]do[/if]" amount="...
Add into the end of the C<[import table=transactions type=LINE continue=NOTES no-commit=1]> section of F<etc/log_transaction>:
pptransactionid: [calc]$Session->{payment_result}{TRANSACTIONID}[/calc]
pppaymenttype: [calc]$Session->{payment_result}{PAYMENTTYPE}[/calc]
pppendingreason: [calc]$Session->{payment_result}{PENDINGREASON}[/calc]
ppcorrelationid: [calc]$Session->{payment_result}{CORRELATIONID}[/calc]
pppayerstatus: [value pppayer_status]
ppaddressstatus: [value ppaddress_status]
and add these 6 new columns into your transactions table as type
varchar(256). The CorrelationID is the one you need in any dispute with
them. The payerstatus and addressstatus results may be useful in the
order fulfillment process.
Add to F<etc/profiles.order>, something like:
__NAME__ paypal
&fatal = yes
&setcheck = end_profile 1
&set = mv_payment Incomplete
[if variable MV_PAYMENT_MODE]
[value name=mv_payment_realtime set=""]
&set=mv_payment PayPal ([var MV_PAYMENT_MODE])
&set=mv_payment_realtime 1
&set=mv_payment PayPal
&final = yes
&setcheck = end_profile 1
&setcheck = payment_method paypal
=item cancelurl
B<Required.> URL to go to if the buyer cancels. Usually set to your checkout page:
=item headerimg
URL to your custom image to show the buyer during their session.
=item reqconfirmshipping
This specifies that a Paypal customer must have his address 'confirmed'
=item addressoverride
This specifies that you will ship only to the address IC has on file
(including the name and email); your customer needs to login to IC first
before going to Paypal
=item use_billing_override
Sends billing address instead of shipping to PayPal (use with
B<End PayPal>
The following should rarely be used, as the supplied defaults are
usually correct.
=over 4
=item remap
This remaps the form variable names to the ones needed by PayPal. See
the C<Payment Settings> heading in the Interchange documentation for use.
=item host
The payment gateway host to use, to override the default.
=head2 Troubleshooting
Try the instructions above, then enable test mode. A test order should
Then move to live mode and try a sale with the card number C<4111 1111
1111 1111> and a valid future expiration date. The sale should be denied,
and the reason should be in [data session payment_error].
If it doesn't work:
=over 4
=item *
Make sure you "Require"d the module in interchange.cfg:
Require module Vend::Payment::PayflowPro
=item *
Check the error logs, both catalog and global.
=item *
Make sure you set your account ID and secret properly.
=item *
Try an order, then put this code in a page:
my $string = $Tag->uneval( { ref => $Session->{payment_result} });
$string =~ s/{/{\n/;
$string =~ s/,/,\n/g;
return $string;
That should show what happened.
=item *
If all else fails, consultants are available to help with
integration for a fee. You can find consultants by asking on the
C<> mailing list.
=head1 NOTE
See this URL for Payflow Pro documentation:
See this URL for PayPal Express Checkout documentation:
There is actually nothing in the package Vend::Payment::PayflowPro.
It changes packages to Vend::Payment and places things there.
=head1 AUTHORS
Josh Lavin <>
Tom Tucker <>
Mark Johnson <>
Jordan Adler
David Christensen <>
Cameron Prince <>
Mike Heins <>
Jon Jensen <>
package Vend::Payment;
use Config;
eval {
require LWP;
require HTTP::Request;
require HTTP::Headers;
require Crypt::SSLeay;
if ($@) {
die "Required modules for PayPal Payflow Pro HTTPS NOT found. $@\n";
sub payflowpro {
my ($user, $amount) = @_;
# Uncomment all the following lines to use the debug statement. It strips
# the arg of any sensitive credit card information and is safe
# (and recommended) to enable in production.
# my $debug_user = ::uneval($user);
# $debug_user =~ s{('mv_credit_card_[^']+' => ')((?:\\'|\\|[^\\']*)*)(')}{$1 . ('X' x length($2)) . $3}ge;
#::logDebug("payflowpro called\n" . $debug_user);
my ($opt, $secret);
if (ref $user) {
$opt = $user;
$user = $opt->{id} || undef;
$secret = $opt->{secret} || undef;
else {
$opt = {};
my %actual;
if ($opt->{actual}) {
%actual = %{$opt->{actual}};
else {
%actual = map_actual();
if (! $user) {
$user = charge_param('id')
or return (
MStatus => 'failure-hard',
MErrMsg => errmsg('No account id'),
#::logDebug("payflowpro user $user");
if (! $secret) {
$secret = charge_param('secret')
or return (
MStatus => 'failure-hard',
MErrMsg => errmsg('No account password'),
my $accept_for_review = $opt->{accept_for_review} || charge_param('accept_for_review');
#::logDebug("payflowpro OrderID: |$opt->{order_id}|");
my ($server, $port);
if (! $opt->{host} and charge_param('test')) {
#::logDebug("payflowpro: setting server to pilot/test mode");
$server = '';
$port = '443';
else {
#::logDebug("payflowpro: setting server based on options");
$server = $opt->{host} || '';
$port = $opt->{port} || '443';
my $uri = "https://$server:$port/transaction";
#::logDebug("payflowpro: using uri: $uri");
$actual{mv_credit_card_exp_month} =~ s/\D//g;
$actual{mv_credit_card_exp_month} =~ s/^0+//;
$actual{mv_credit_card_exp_year} =~ s/\D//g;
$actual{mv_credit_card_exp_year} =~ s/\d\d(\d\d)/$1/;
$actual{mv_credit_card_number} =~ s/\D//g;
my $exp = sprintf '%02d%02d',
my %type_map = (qw/
sale S
auth A
authorize A
void V
settle D
settle_prior D
credit C
mauthcapture S
mauthonly A
mauthdelay D
mauthreturn C
my $transtype = $opt->{transaction} || charge_param('transaction') || 'A';
$transtype = $type_map{$transtype}
or return (
MStatus => 'failure-hard',
MErrMsg => errmsg('Unrecognized transaction: %s', $transtype),
my $order_id = gen_order_id($opt);
my $precision = $opt->{precision} || charge_param('precision') || 2;
$amount = $opt->{total_cost} if ! $amount;
if (! $amount) {
$amount = Vend::Interpolate::total_cost();
$amount = Vend::Util::round_to_frac_digits($amount, $precision);
my $shipping = $opt->{shipping} || '';
if (! $shipping) {
$shipping = Vend::Interpolate::tag_shipping();
$shipping = Vend::Util::round_to_frac_digits($shipping, $precision);
my $salestax = $opt->{salestax} || '';
if (! $salestax) {
$salestax = Vend::Interpolate::salestax();
$salestax = Vend::Util::round_to_frac_digits($salestax, $precision);
my $subtotal = $opt->{subtotal} || '';
if (! $subtotal) {
$subtotal = Vend::Interpolate::subtotal();
$subtotal = Vend::Util::round_to_frac_digits($subtotal, $precision);
my $phone = $actual{phone_day} || $actual{phone_night};
$phone =~ s/\D//g;
my %varmap = (qw/
ACCT mv_credit_card_number
CVV2 mv_credit_card_cvv2
EMAIL email
COMMENT1 comment1
COMMENT2 comment2
my $action = $opt->{action};
$action =~ s/set/S/;
$action =~ s/get/G/;
$action =~ s/do/D/;
my $tender;
$tender = $action ? 'P' : 'C'; # tender must be P for PayPal
my $tdb = dbref('transactions') or die errmsg("cannot open transactions table");
my $existing_trans = $tdb->foreign($order_id, 'order_id'); # lookup order_id in transactions, to see what payment_method was.
if($existing_trans) {
my $pay_method = $tdb->field($existing_trans, 'payment_method');
$tender = 'P' if $pay_method =~ /^PayPal/i;
my %query = (
AMT => $amount,
TENDER => $tender,
PWD => $secret,
USER => $user,
TRXTYPE => $transtype,
CUSTIP => $Vend::Session->{ohost},
TAXAMT => $salestax,
TAXEXEMPT => ($salestax > 0) ? 'N' : 'Y',
FREIGHTAMT => $shipping,
BILLTOCOUNTRY => ($actual{b_country} eq 'UK') ? 'GB' : $actual{b_country},
SHIPTOCOUNTRY => ($actual{country} eq 'UK') ? 'GB' : $actual{country},
my %paypal_query = (
ACTION => $action,
RETURNURL => charge_param('returnurl'),
CANCELURL => charge_param('cancelurl'),
TOKEN => ($action eq 'S' ? '' : $Vend::Session->{paypal_token}),
ALLOWNOTE => charge_param('allow_note'),
REQBILLINGADDRESS => charge_param('reqbillingaddress'),
REQCONFIRMSHIPPING => charge_param('reqconfirmshipping'),
PAGESTYLE => charge_param('pagestyle'),
HDRIMG => charge_param('headerimg'),
HDRBORDERCOLOR => charge_param('headerbordercolor'),
HDRBACKCOLOR => charge_param('headerbackcolor'),
PAYFLOWCOLOR => charge_param('payflowcolor'),
ITEMAMT => $subtotal,
PAYERID => $CGI::values{payerid} || $::Values->{pppayerid},
NOTETOBUYER => charge_param('note_to_buyer') || '*** Discounts and coupons will be shown and applied before final payment',
if($tender eq 'P') {
@query{keys %paypal_query} = values %paypal_query;
my $i = 0;
if ($action ne 'D') {
for my $it ( @{ $::Carts->{main} } ) {
my $it_price = Vend::Data::item_price($it);
my $disc_price = Vend::Interpolate::discount_price( $it, $it_price, $it->{quantity} );
#::logDebug("payflowpro: prices for $it->{code}: it_price=$it_price, disc_price=$disc_price");
$query{ 'L_PAYMENTREQUEST_0_NAME' . $i } = $it->{description} || Vend::Data::item_description($it);
$query{ 'L_PAYMENTREQUEST_0_NUMBER' . $i } = $it->{code};
$query{ 'L_PAYMENTREQUEST_0_DESC' . $i } = Vend::Data::item_description($it);
$query{ 'L_PAYMENTREQUEST_0_AMT' . $i } = $disc_price;
$query{ 'L_PAYMENTREQUEST_0_QTY' . $i } = $it->{quantity};
##$query{'L_PAYMENTREQUEST_0_TAXAMT' .$i} = ($disc_price/$itemTotal * $taxTotal);
$opt->{check_sub} = undef;
else {
my $i = 1;
for my $it (@{$::Carts->{main}}) {
my $it_price = Vend::Data::item_price($it);
my $disc_price = Vend::Interpolate::discount_price($it, $it_price, $it->{quantity});
$query{'L_NAME' . $i} = $it->{description} || Vend::Data::item_description($it);
$query{'L_COST' . $i} = $disc_price;
$query{'L_QTY' . $i} = $it->{quantity};
$query{'L_SKU' . $i} = $it->{code};
##$query{'L_TAXAMT'.$i} = ($disc_price/$itemTotal * $taxTotal);
$query{PARTNER} = $opt->{partner} || charge_param('partner');
$query{VENDOR} = $opt->{vendor} || charge_param('vendor');
$query{COMMENT1} = $order_id if ! $actual{comment1};
if($action =~ /[SG]/) {
## if a PayPal set/get, don't want address, just email.
$query{EMAIL} = $actual{$varmap{EMAIL}} if defined $actual{$varmap{EMAIL}};
elsif($action eq 'D') {
## don't want some.
delete $query{ACCT};
delete $query{CVV2};
for (keys %varmap) {
$query{$_} = $actual{$varmap{$_}} if defined $actual{$varmap{$_}};
else {
if ( $Vend::Session->{admin} and $::Values->{order_desk_entry} ) {
delete $query{CUSTIP}; # prevent 'IP/Address Mismatch' fraud reports for UI orders
## these not for PayPal authorizations, only capture/void (and credit cards):
$query{ORIGID} = $order_id;
$query{EXPDATE} = $exp;
for (keys %varmap) {
$query{$_} = $actual{$varmap{$_}} if defined $actual{$varmap{$_}};
my $gwl =
-> new({
Enabled => charge_param('gwl_enabled'),
LogTable => charge_param('gwl_table'),
Source => charge_param('gwl_source'),
my %munged_query = %query;
$munged_query{PWD} = 'X';
$munged_query{ACCT} =~ s/^(\d{4})(.*)/$1 . ('X' x length($2))/e;
$munged_query{CVV2} =~ s/./X/g;
$munged_query{EXPDATE} =~ s/./X/g;
#::logDebug("payflowpro query: " . ::uneval(\%munged_query));
my $timeout = $opt->{timeout} || 45;
die "Bad timeout value, security violation." unless $timeout && $timeout !~ /\D/;
die "Bad port value, security violation." unless $port && $port !~ /\D/;
die "Bad server value, security violation." unless $server && $server !~ /[^-\w.]/;
my $result = {};
my (@query, @debug_query);
for my $key (keys %query) {
my $val = $query{$key};
$val =~ s/["\$\n\r]//g;
my $len = length($val);
$key .= "[$len]";
push @query, "$key=$val";
$val =~ s/./X/g
if $key =~ /^(?:PWD|ACCT|CVV2|EXPDATE)\b/;
push @debug_query, "$key=$val";
my $string = join '&', @query;
my $debug_string = join '&', @debug_query;
my $reqid = $transtype =~ /^[DVC]$/ ? ($order_id . int(rand(100))) : $order_id;
#::logDebug("payflowpro using X-VPS-Request-Id = $reqid");
my %headers = (
'Content-Type' => 'text/namevalue',
'X-VPS-Request-Id' => $reqid,
'X-VPS-Timeout' => $timeout,
'X-VPS-VIT-Client-Architecture' => $Config{archname},
'X-VPS-VIT-Client-Type' => 'Perl',
'X-VPS-VIT-Client-Version' => $VERSION,
'X-VPS-VIT-Integration-Product' => 'Interchange',
'X-VPS-VIT-Integration-Version' => $::VERSION,
'X-VPS-VIT-OS-Name' => $Config{osname},
'X-VPS-VIT-OS-Version' => $Config{osvers},
'PAYPAL-NVP' => ($tender eq 'P' ? 'Y' : ''),
# Debug statement is stripped of any sensitive card data and is safe (and
# recommended) to enable in production.
#::logDebug(qq{--------------------\nPosting to PayflowPro: \n\t$order_id\n\t$uri "$debug_string"});
my $headers = HTTP::Headers->new(%headers);
my $request = HTTP::Request->new('POST', $uri, $headers, $string);
my $ua = LWP::UserAgent->new(timeout => $timeout);
my $response = $ua->request($request);
my $resultstr = $response->content;
#::logDebug(qq{PayflowPro response:\n\t$resultstr\n--------------------});
unless ( $response->is_success ) {
my %return = (
RESULT => -1,
RESPMSG => 'System Error',
MStatus => 'failure-hard',
MErrMsg => 'System Error',
lwp_response => $resultstr,
return %return;
%$result = split /[&=]/, $resultstr;
if($tender eq 'P') {
for(keys %$result) {
my $v = delete $result->{$_};
$_ =~ s|\[\d+\]$||; # remove length tags for NVP
$_ =~ s|^PAYMENTINFO_0_||; # also strip 'paymentinfo_0'
$result->{$_} = $v;
my $decline = $result->{RESULT};
if (
$result->{RESULT} =~ /^0|12[67]$/
my $check_sub_name = $opt->{check_sub} || charge_param('check_sub')
) {
my $check_sub = $Vend::Cfg->{Sub}{$check_sub_name}
|| $Global::GlobalSub->{$check_sub_name};
if (ref $check_sub eq 'CODE') {
$decline =
#::logDebug(qq{payflowpro called check_sub sub=$check_sub_name decline=$decline});
else {
logError("payflowpro: non-existent check_sub routine %s.", $check_sub_name);
my %result_map = (qw/
pop.status ICSTATUS
order-id PNREF
pop.order-id PNREF
pop.auth-code AUTHCODE
pop.avs_code AVSZIP
pop.avs_zip AVSZIP
pop.avs_addr AVSADDR
if ($accept_for_review and $decline =~ /^12[67]$/) { ## flagged for review, or not screened by filters
$result->{ICSTATUS} = 'success';
elsif ($decline) {
$result->{ICSTATUS} = 'failed';
my $msg = errmsg("Charge error: %s Reason: %s. Please call in your order or try again.",
$result->{RESULT} || 'no details available',
$result->{RESPMSG} || 'unknown error',
$result->{MErrMsg} = $result{'pop.error-message'} = $msg;
else {
$result->{ICSTATUS} = 'success';
if($result->{TOKEN}) {
## PayPal transaction.
$Vend::Session->{paypal_token} = $result->{TOKEN};
if($action eq 'G') {
## save address details in Values...
my %val_map = (qw/
email EMAIL
pppayerid PAYERID
pppayer_status PAYERSTATUS
gift_note NOTE
phone_day PHONENUM
b_address1 STREET
b_address2 STREET2
b_city CITY
b_state STATE
b_zip ZIP
ppaddress_status ADDRESSSTATUS
for (keys %val_map) {
$::Values->{$_} = $result->{$val_map{$_}}
if defined $result->{$val_map{$_}};
for (keys %result_map) {
$result->{$_} = $result->{$result_map{$_}}
if defined $result->{$result_map{$_}};
#::logDebug('payflowpro result: ' . ::uneval($result));
return %$result;
package Vend::Payment::PayflowPro;
use Vend::Payment::GatewayLog;
use base qw/Vend::Payment::GatewayLog/;
# log_it() must be overridden.
sub log_it {
my $self = shift;
my $request = $self->request;
unless ($request) {
::logDebug('Nothing to write to %s: no request present', $self->table);
unless ($self->response) {
if ($Vend::Payment::Global_Timeout) {
my $msg = errmsg('No response. Global timeout triggered');
RESULT => -2,
RESPMSG => $Vend::Payment::Global_Timeout,
else {
my $msg = errmsg('No response. Reason unknown');
RESULT => -3,
RESPMSG => $msg,
my $response = $self->response;
my %fields = (
trans_type => $request->{TRXTYPE} || 'x',
processor => 'payflowpro',
catalog => $Vend::Cfg->{CatalogName},
result_code =>
defined ($response->{RESULT})
&& $response->{RESULT} =~ /^-?\d+$/
? $response->{RESULT}
: undef,
response_msg => $response->{RESPMSG} || '',
request_id => $response->{PNREF} || '',
order_number => $request->{COMMENT1} || '',
request_duration => $self->duration,
request_date => $self->timestamp,
email => $request->{EMAIL} || '',
request => ::uneval($request) || '',
response => ::uneval($response) || '',
session_id => $::Session->{id} || '',
request_source => $self->source,
amount => $request->{AMT} || '',
host_ip => $::Session->{shost} || $::Session->{ohost} || '',
username => $::Session->{username} || '',
cart_md5 => '',
if (@$Vend::Items) {
my $dump = Data::Dumper
-> new($Vend::Items)
-> Indent(0)
-> Terse(1)
-> Deepcopy(1)
-> Sortkeys(1)
$fields{cart_md5} = Digest::MD5::md5_hex($dump->Dump);
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