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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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The licenses for most software are designed to take away your
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
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Copyright (C) <year> <name of author>
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Also add information on how to contact you by electronic and paper mail.
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The hypothetical commands `show w' and `show c' should show the appropriate
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
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consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

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This is an Ubercart payment gateway module for Stripe.
Versions of the Stripe PHP Library and Stripe API that this module currently
supports are found in uc_stripe_libraries_info() in uc_stripe.module.
Installation and Setup
======================
a) Install and enable the module in the normal way for Drupal.
b) Visit your Ubercart Store Administration page, Configuration
section, and enable the gateway under the Payment Gateways.
(admin/store/settings/payment/edit/gateways)
c) On that page, provide your Stripe API keys, from
https://dashboard.stripe.com/account/apikeys
d) Download and install the Stripe PHP Library version 2.2.0 or >=3.13.0
from https://github.com/stripe/stripe-php/releases. The recommended technique is
to use the command
drush ldl stripe
If you don't use "drush ldl stripe", download and install the Stripe library in
sites/all/libraries/stripe such that the path to VERSION
is sites/all/libraries/stripe/VERSION. YOU MUST CLEAR THE CACHE AFTER
CHANGING THE STRIPE PHP LIBRARY. The Libraries module caches its memory of
libraries like the Stripe Library. (Version 2.2.0 support is maintained for
existing users; version 3.13.0+ supports PHP 7 and will get ongoing support.)
(With the latest version of the libraries module you can use the command:
e) If you are using recurring payments, install version 2.x
of the Ubercart Recurring module:
http://drupal.org/project/uc_recurring
and set up as described below.
f) Every site dealing with credit cards in any way should be using https. It's
your responsibility to make this happen. (Actually, almost every site should
be https everywhere at this time in the web's history.)
g) If you want Stripe to attempt to validate zip/postal codes, you must enable
that feature on your *Stripe* account settings. Click the checkbox for
"Decline Charges that fail zip code verification" on the "Account info" page.
(You must be collecting billing address information for this to work, of course.)
h) The uc_credit setting "Validate credit card numbers at checkout" must be
disabled on admin/store/settings/payment/method/credit - uc_credit never sees
the credit card number, so cannot properly validate it (and we don't want it to
ever know the credit card number.)
Upgrading from uc_stripe 6.x-1.x or 7.x-1.x
===========================================
7.x-2.x does not use Stripe subscriptions for recurring payments, but instead
uses the uc_recurring module. This means you have control of recurring
transactions without having to manage them on the Stripe dashboard. (Credit
card numbers and sensitive data are *not* stored on your site; only the Stripe
customer ID is stored.)
The upgrade hooks, however, must move the customer id stored in the obsolete
uc_recurring_stripe table into the user table. When this happens the old
record in the uc_recurring_stripe table will have its plan changed to
<old_plan>_obsolete. This just prevents an import from happening more than once
and gives you backout options if you wanted to downgrade.
If you were using 1.x of this module and want to cancel existing subscriptions
which were configured via the Stripe api (since they are now managed via
uc_recurring) a drush command is provided to cancel these. Use "drush help subcancel"
for more information.
Recurring Payments Setup
========================
You'll need the Ubercart Recurring module:
http://drupal.org/project/uc_recurring installed. It is not
listed as a dependency for this Stripe payment module because
this module could be used without recurring payments.
But it is a dependency to use the recurring payments piece of
this module. Note that this module does *not* use Stripe subscriptions.
Instead, recurring payments are managed by uc_recurring, which does not
retain any valid CC info, only the stripe customer id.
Recurring payments require automatically triggered renewals using
uc_recurring_trigger_renewals ("Enabled triggered renewals" must be enabled
on admin/store/settings/payment/edit/recurring)
If you were using Stripe subscriptions in v1 of this module, you may have to
disable those subscriptions in order to not double-charge your customers.
uc_stripe 6.x-2.x and 7.x-2.x were based on Bitcookie's work (thanks!) which was posted at
http://bitcookie.com/blog/pci-compliant-ubercart-and-stripe-js
from discussion in the uc_stripe issue queue,
https://www.drupal.org/node/1467886

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.poweredbystripe {
margin-top: 10px;
float: right;
background: #017aff;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#78b8ff', endColorstr='#017aff');
background-image: -moz-linear-gradient(-90deg, #78b8ff, #017aff);
background-image: -webkit-gradient(linear, left top, left bottom, from(#78b8ff), to(#017aff));
height: 27px;
padding: 0 10px;
line-height: 27px;
display: block;
color: #fff;
vertical-align: top;
font: bold 12px Arial, Helvetica, Verdana, sans-serif;
font-weight: bold;
font-size: 12px;
text-shadow: 0 -1px 0 rgba(0,0,0,0.5);
-moz-border-radius: 30px;
-webkit-border-radius: 30px;
border-radius: 30px;
-moz-box-shadow: inset 0 1px 0 #98c9ff;
-webkit-box-shadow: inset 0 1px 0 #98c9ff;
box-shadow: inset 0 1px 0 #98c9ff;
}
a.poweredbylink:hover {
text-decoration: none;
}
#uc_stripe_messages.hidden {display: none;}
.stripe-warning {color: red; font-style: oblique; }

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/**
* @file
* uc_stripe.js
*
* Handles all interactions with Stripe on the client side for PCI-DSS compliance
*/
(function ($) {
Drupal.behaviors.uc_stripe = {
attach: function (context) {
// Map stripe names to (partial) Ubercart field names; Ubercart names add "billing_" or "shipping_" on the front.
const address_field_mapping = {
"address_line1": "street1",
"address_line2": "street2",
"address_city": "city",
"address_state": "zone",
"address_zip": "postal_code",
"address_country": "country"
};
var submitButton = $('.uc-cart-checkout-form #edit-continue');
var cc_container = $('.payment-details-credit');
var cc_num = cc_container.find(':input[id*="edit-panes-payment-details-cc-numbe"]');
var cc_cvv = cc_container.find(':input[id*="edit-panes-payment-details-cc-cv"]');
// Make sure that when the page is being loaded the token value is reset
// Browser or other caching might do otherwise.
$("[name='panes[payment][details][stripe_token]']").val('default');
$('span#stripe-nojs-warning').parent().hide();
// JS must enable the button; otherwise form might disclose cc info. It starts disabled
submitButton.attr('disabled', false);
// When this behavior fires, we can clean the form so it will behave properly,
// Remove 'name' from sensitive form elements so there's no way they can be submitted.
cc_num.removeAttr('name').removeAttr('disabled');
$('div.form-item-panes-payment-details-cc-number').removeClass('form-disabled');
cc_cvv.removeAttr('name').removeAttr('disabled');
var cc_val_val = cc_num.val();
if (cc_val_val && cc_val_val.indexOf('Last 4')) {
cc_num.val('');
}
submitButton.click(function (e) {
// We must find the various fields again, because they may have been swapped
// in by ajax action of the form.
cc_container = $('.payment-details-credit');
cc_num = cc_container.find(':input[id*="edit-panes-payment-details-cc-numbe"]');
cc_cvv = cc_container.find(':input[id*="edit-panes-payment-details-cc-cv"]');
// If not credit card processing or no token field, just let the submit go on
// Also continue if we've received the tokenValue
var tokenField = $("[name='panes[payment][details][stripe_token]']");
if (!$("div.payment-details-credit").length || !tokenField.length || tokenField.val().indexOf('tok_') == 0) {
return true;
}
// If we've requested and are waiting for token, prevent any further submit
if (tokenField.val() == 'requested') {
return false; // Prevent any submit processing until token is received
}
// Go ahead and request the token
tokenField.val('requested');
try {
var name = undefined;
if ($(':input[name="panes[billing][billing_first_name]"]').length) {
name = $(':input[name="panes[billing][billing_first_name]"]').val() + " " + $(':input[name="panes[billing][billing_last_name]"]').val();
}
if (typeof name === "undefined" && $(':input[name="panes[delivery][delivery_first_name]"]').length) {
name = $(':input[name="panes[delivery][delivery_first_name]"]').val() + " " + $(':input[name="panes[delivery][delivery_last_name]"]').val();
}
var params = {
number: cc_num.val(),
cvc: cc_cvv.val(),
exp_month: $(':input[name="panes[payment][details][cc_exp_month]"]').val(),
exp_year: $(':input[name="panes[payment][details][cc_exp_year]"]').val(),
name: name
};
// Translate the Ubercart billing/shipping fields to Stripe values
for (var key in address_field_mapping) {
const prefixes = ['billing', 'delivery'];
for (var i = 0; i < prefixes.length; i++) {
var prefix = prefixes[i];
var uc_field_name = prefix + '_' + address_field_mapping[key];
var location = ':input[name="panes[' + prefix + '][' + uc_field_name + ']"]';
if ($(location).length) {
params[key] = $(location).val();
if ($(location).attr('type') == 'select-one') {
params[key] = $(location + " option:selected").text();
}
break; // break out of billing/shipping loop because we got the info
}
}
}
Stripe.createToken(params, function (status, response) {
if (response.error) {
// Show the errors on the form
$('#uc_stripe_messages')
.removeClass("hidden")
.text(response.error.message);
$('#edit-stripe-messages').val(response.error.message);
// Make the fields visible again for retry
cc_num
.css('visibility', 'visible')
.val('')
.attr('name', 'panes[payment][details][cc_number]');
cc_cvv
.css('visibility', 'visible')
.val('')
.attr('name', 'panes[payment][details][cc_cvv]');
// Turn off the throbber
$('.ubercart-throbber').remove();
// Remove the bogus copy of the submit button added in uc_cart.js ucSubmitOrderThrobber
submitButton.next().remove();
// And show the hidden original button which has the behavior attached to it.
submitButton.show();
tokenField.val('default'); // Make sure token field set back to default
} else {
// token contains id, last4, and card type
var token = response.id;
// Insert the token into the form so it gets submitted to the server
tokenField.val(token);
// Since we're now submitting, make sure that uc_credit doesn't
// find values it objects to; after "fixing" set the name back on the
// form element.
cc_num
.css('visibility', 'hidden')
.val('555555555555' + response.card.last4)
.attr('name', 'panes[payment][details][cc_number]');
cc_cvv
.css('visibility', 'hidden')
.val('999')
.attr('name', 'panes[payment][details][cc_cvv]');
// now actually submit to Drupal. The only "real" things going
// are the token and the expiration date.
submitButton.click();
}
});
} catch (e) {
$('#uc_stripe_messages')
.removeClass("hidden")
.text(e.message);
$('#edit-stripe-messages').val(e.message);
}
// Prevent processing until we get the token back
return false;
});
}
};
}(jQuery));

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<?php
/**
* @file
* Delete legacy uc_stripe subscriptions that were created by v1.
*/
/**
* Implements hook_drush_command().
*
*
* @return
* An associative array describing your command(s).
*/
function uc_stripe_drush_command() {
$items = array();
$items['subscription-cancel'] = array(
'description' => "Delete subscriptions created by uc_stripe v1 and existing in uc_recurring_stripe table.",
'arguments' => array(
'order_id' => 'Order ID from uc_stripe_recurring table',
),
'options' => array(
'dry-run' => 'Dry run - does not actually execute, but show what would be done',
),
'examples' => array(
'drush subscription-cancel',
'drush subscription-cancel --dry-run',
'drush subscription-cancel <order_id>',
),
'aliases' => array('subcancel'),
);
return $items;
}
/**
* Command callback
*
* Delete active subscriptions found in uc_recurring_stripe table.
*/
function drush_uc_stripe_subscription_cancel($order_id = 'all') {
$dry_run = drush_get_option('dry-run');
if (!db_table_exists('uc_recurring_stripe')) {
drush_print('No uc_recurring_stripe table exists, exiting.');
return;
}
$library = libraries_load('stripe');
$info = libraries_info('stripe');
if (!$library['loaded'] || !array_key_exists(\Stripe\Stripe::VERSION, $info['versions'])) {
drush_print("Failed to load one of the supported Stripe PHP library versions: " . join(', ', array_keys($info['versions'])));
return;
}
if ($dry_run) {
drush_print('dry-run is set so not deleting any subscriptions');
}
_uc_stripe_prepare_api();
$query = db_select('uc_recurring_stripe', 'urs', array('fetch' => PDO::FETCH_ASSOC))
->fields('urs', array('uid', 'customer_id', 'order_id' ));
if ($order_id != 'all') {
$query->condition('order_id', ':id');
}
$result = $query->execute();
foreach ($result as $item) {
$customer = NULL;
$account = user_load($item['uid']);
try {
$customer = \Stripe\Customer::retrieve($item['customer_id']);
$subscriptions = $customer->subscriptions->all();
} catch (Exception $e) {
drush_print("Failed to retrieve customer subscriptions for {$item['customer_id']} (user:$account->name}. Message: {$e->getMessage()}");
continue;
}
$count = count($subscriptions['data']);
$msg = "Retrieved Stripe Customer with $count subscriptions, uid:{$item['uid']} username:{$account->name} order:{$item['order_id']} stripe customer id:{$item['customer_id']}";
drush_print($msg);
foreach ($subscriptions['data'] as $sub) {
drush_print(" Subscription: {$sub->id} {$sub->status} {$sub->plan->name} {$sub->plan->id}");
if (empty($dry_run) && drush_confirm('Are you sure you want to cancel this subscription?')) {
try {
$sub->cancel();
drush_print(" Cancelled subscription {$sub->id}");
} catch (Exception $e) {
drush_print(" FAILED to cancel subscription {$sub->id} Message: {$e->getMessage()}");
}
}
}
}
}

16
uc_stripe.info Normal file
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name = Ubercart Stripe
description = Ubercart payment gateway for Stripe.
dependencies[] = uc_payment
dependencies[] = uc_credit
dependencies[] = libraries
package = Ubercart - payment
core = 7.x
php = 5.3
; Information added by Drupal.org packaging script on 2016-10-03
version = "7.x-2.2+1-dev"
core = "7.x"
project = "uc_stripe"
datestamp = "1475516941"

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<?php
/**
* @file
* Installation file for the uc_stripe module.
*/
/**
* Implements hook_requirements().
*/
function uc_stripe_requirements($phase) {
$t = get_t();
$has_curl = function_exists('curl_init');
$requirements['uc_stripe_curl'] = array(
'title' => $t('cURL'),
'value' => $has_curl ? $t('Enabled') : $t('Not found'),
);
if (!$has_curl) {
$requirements['uc_stripe_curl']['severity'] = REQUIREMENT_ERROR;
$requirements['uc_stripe_curl']['description'] = $t("The Stripe API requires the PHP <a href='!curl_url'>cURL</a> library.", array('!curl_url' => 'http://php.net/manual/en/curl.setup.php'));
}
// libraries_info() doesn't work until the module is installed, so allow to be
// installed without the library. Then warn at that point.
if ($phase != 'install') {
$php_api_version = _uc_stripe_load_library();
$requirements['uc_stripe_api'] = array(
'title' => $t('Stripe PHP Library'),
'value' => $t('Version !version', array('!version' => $php_api_version)),
);
if (empty($php_api_version)) {
$requirements['uc_stripe_api']['value'] = $t('Not installed or wrong version');
$requirements['uc_stripe_api']['severity'] = REQUIREMENT_ERROR;
$requirements['uc_stripe_api']['description'] = $t('Please install a compatible version of the Stripe PHP Library versions as described in the README.txt');
}
}
$requirements['uc_stripe_keys'] = array(
'title' => $t('Stripe API Keys'),
'value' => $t('Configured'),
);
if ($phase == 'runtime' && !_uc_stripe_check_api_keys()) {
$requirements['uc_stripe_keys']['title'] = $t('Stripe API Keys.');
$requirements['uc_stripe_keys']['value'] = $t('Not configured');
$requirements['uc_stripe_keys']['severity'] = REQUIREMENT_ERROR;
$requirements['uc_stripe_keys']['description'] = $t('The Stripe API keys are not fully configured.');
}
// Make sure they don't enable the "Check credit"
if ($phase == 'runtime' && variable_get('uc_credit_validate_numbers', FALSE)) {
$requirements['uc_stripe_validate_numbers'] = array(
'title' => t('Stripe Credit Card Validation'),
'value' => t('Enabled'),
'severity' => REQUIREMENT_ERROR,
'description' => t("uc_credit's 'Validate credit card numbers at checkout' option must be disabled when using uc_stripe, as uc_credit never sees the card number."),
);
}
return $requirements;
}
/**
* Load the PHP API
*
* @return Stripe version number as string or FALSE if failed to load
*/
function _uc_stripe_load_library() {
module_load_include('module', 'uc_stripe');
if (($library = libraries_load('stripe')) && !empty($library['loaded']) && class_exists('\Stripe\Stripe')) {
return \Stripe\Stripe::VERSION;
}
watchdog('uc_stripe', 'Stripe PHP Library not installed or wrong version');
return FALSE;
}
/**
* Implements hook_install().
*/
function uc_stripe_install() {
// This turns ON the uc_recurring cron task to renew. We want this
// ON because the renewal payments are handled by uc_recurring and NOT the stripe gateway
variable_set('uc_recurring_trigger_renewals', TRUE);
// Stripe does cc validation, so uc_credit must not... especially because
// uc_credit gets a bogus cc number.
variable_set('uc_credit_validate_numbers', FALSE);
}
/**
* Enable triggered renewals, as uc_recurring manages renewals with this version.
*/
function uc_stripe_update_7201(&$sandbox) {
variable_set('uc_recurring_trigger_renewals', TRUE);
variable_set('uc_credit_validate_numbers', FALSE);
return 'Enabled uc_recurring triggered renewals (uc_recurring_trigger_renewals) and required uc_checkout_skip_review';
}
/**
* Move customer IDs from uc_recurring_stripe into account
*/
function uc_stripe_update_7202(&$sandbox) {
$ret = array();
$sandbox['per_run'] = 100; // users per run
$sandbox['#finished'] = 0;
if (db_table_exists('uc_recurring_stripe')) {
if (!isset($sandbox['progress'])) {
$sandbox['progress'] = 0;
$sandbox['max'] = db_query('
SELECT COUNT(DISTINCT(u.uid))
FROM {users} u JOIN {uc_recurring_stripe} urs
ON (u.uid = urs.uid)
WHERE urs.active = 1
')->fetchField();
}
_uc_stripe_move_customer_id($sandbox);
return "Updated {$sandbox['progress']} of {$sandbox['max']} uc_recurring_stripe rows into user objects";
}
else {
return 'Old uc_recurring_stripe table did not exist, no action taken.';
}
}
/**
* Make sure cached library information is not used.
*/
function uc_stripe_update_7203(&$sandbox) {
cache_clear_all('stripe', 'cache_libraries');
}
/**
* Move customer ids from uc_recurring_stripe into user account
*/
function _uc_stripe_move_customer_id(&$sandbox) {
// Find the users with stripe customer ids that are active
$query = '
SELECT DISTINCT(urs.uid)
FROM {users} u JOIN {uc_recurring_stripe} urs
ON (u.uid = urs.uid)
WHERE urs.active = 1';
$result = db_query_range($query, 0, $sandbox['per_run'],
array(),
array('fetch' => PDO::FETCH_ASSOC));
foreach ($result as $item) {
$sandbox['progress']++;
$stripe_customer_id = db_query_range('
SELECT urs.customer_id
FROM {uc_recurring_stripe} urs
WHERE urs.uid = :uid AND urs.active = 1
ORDER BY urs.rfid DESC
', 0, 1, array(':uid' => $item['uid']))->fetchField();
$account = user_load($item['uid']);
// Set to inactive every subscription for this uid
db_update('uc_recurring_stripe')
->fields(
array('active' => 0)
)
->condition('uid', $item['uid'])
->execute();
if (empty($account->data['uc_stripe_customer_id'])) {
user_save($account, array('data' => array('uc_stripe_customer_id' => $stripe_customer_id)));
}
}
if ($sandbox['progress'] >= $sandbox['max'] || $result->rowCount() == 0) {
$sandbox['#finished'] = 1;
} else {
$sandbox['#finished'] = $sandbox['progress'] / $sandbox['max'];
}
}

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<?php
/**
* @file
* A stripe.js PCI-compliant payment gateway
* Forked from Bitcookie's work (thanks!) which was posted at
* http://bitcookie.com/blog/pci-compliant-ubercart-and-stripe-js
* from discussion in the uc_stripe issue queue,
* https://www.drupal.org/node/1467886
*/
/**
* Implements hook_libraries_info() to define what files should be loaded.
*
* @return mixed
*/
function uc_stripe_libraries_info() {
$libraries['stripe'] = array(
'name' => 'Stripe PHP Library',
'vendor url' => 'http://stripe.com',
'download url' => 'https://github.com/stripe/stripe-php/releases',
'download file url' => 'https://github.com/stripe/stripe-php/archive/v3.20.0.tar.gz',
'version arguments' => array(
'file' => 'VERSION',
'pattern' => '/(\d+\.\d+\.\d+)/',
),
'versions' => array(
'2.2.0' => array(
'files' => array(
'php' => array(
'lib/Util/RequestOptions.php',
'lib/Util/Set.php',
'lib/Util/Util.php',
'lib/Object.php',
'lib/ApiResource.php',
'lib/Account.php',
'lib/ExternalAccount.php',
'lib/AlipayAccount.php',
'lib/ApiRequestor.php',
'lib/ApplicationFee.php',
'lib/ApplicationFeeRefund.php',
'lib/AttachedObject.php',
'lib/SingletonApiResource.php',
'lib/Balance.php',
'lib/BalanceTransaction.php',
'lib/BankAccount.php',
'lib/BitcoinReceiver.php',
'lib/BitcoinTransaction.php',
'lib/Card.php',
'lib/Charge.php',
'lib/Collection.php',
'lib/Coupon.php',
'lib/Customer.php',
'lib/Error/Base.php',
'lib/Error/Api.php',
'lib/Error/ApiConnection.php',
'lib/Error/Authentication.php',
'lib/Error/Card.php',
'lib/Error/InvalidRequest.php',
'lib/Error/RateLimit.php',
'lib/Event.php',
'lib/FileUpload.php',
'lib/HttpClient/ClientInterface.php',
'lib/HttpClient/CurlClient.php',
'lib/Invoice.php',
'lib/InvoiceItem.php',
'lib/Plan.php',
'lib/Recipient.php',
'lib/Refund.php',
'lib/Stripe.php',
'lib/Subscription.php',
'lib/Token.php',
'lib/Transfer.php',
'lib/TransferReversal.php',
),
),
'stripe_api_version' => '2015-06-15',
),
'3.0' => array(
'files' => array(
'php' => array(
'init.php',
),
),
'stripe_api_version' => '2016-03-07',
),
),
);
return $libraries;
}
/**
* Implements hook_payment_gateway to register this payment gateway
* @return array
*/
function uc_stripe_uc_payment_gateway() {
$gateways = array();
$gateways[] = array(
'id' => 'uc_stripe',
'title' => t('Stripe Gateway'),
'description' => t('Process card payments using Stripe JS.'),
'settings' => 'uc_stripe_settings_form',
'credit' => 'uc_stripe_charge',
);
return $gateways;
}
/**
* Implements hook_recurring_info() to integrate with uc_recurring
*
* @return mixed
*/
function uc_stripe_recurring_info() {
$items['uc_stripe'] = array(
'name' => t('Stripe'),
'payment method' => 'credit',
'module' => 'uc_recurring',
'fee handler' => 'uc_stripe',
'process callback' => 'uc_stripe_process',
'renew callback' => 'uc_stripe_renew',
'cancel callback' => 'uc_stripe_cancel',
'own handler' => FALSE,
'menu' => array(
'charge' => UC_RECURRING_MENU_DEFAULT,
'edit' => UC_RECURRING_MENU_DEFAULT,
'cancel' => UC_RECURRING_MENU_DEFAULT,
),
);
return $items;
}
/**
* Implements hook_form_FORMID_alter() to change the checkout form
* All work as a result is done in JS, the ordinary post does not happen.
*
* @param $form
* @param $form_state
* @param $form_id
*/
function uc_stripe_form_uc_cart_checkout_form_alter(&$form, &$form_state) {
$payment_form = &$form['panes']['payment']['details'];
$payment_form['stripe_nojs_warning'] = array(
'#type' => 'item',
'#markup' => '<span id="stripe-nojs-warning" class="stripe-warning">' . t('Sorry, for security reasons your card cannot be processed because Javascript is disabled in your browser.') . '</span>',
'#weight' => -1000,
);
$payment_form['stripe_token'] = array(
'#type' => 'hidden',
'#default_value' => 'default',
'#attributes' => array(
'id' => 'edit-panes-payment-details-stripe-token',
),
);
// Prevent form Credit card fill and submission if javascript has not removed
// the "disabled" attributes..
// If JS happens to be disabled, we don't want user to be able to enter CC data.
// Note that we can't use '#disabled', as it causes Form API to discard all input,
// so use the disabled attribute instead.
$form['panes']['payment']['details']['cc_number']['#attributes']['disabled'] = 'disabled';
if (empty($form['actions']['continue']['#attributes'])) {
$form['actions']['continue']['#attributes'] = array();
}
$form['actions']['continue']['#attributes']['disabled'] = 'disabled';
$apikey = variable_get('uc_stripe_testmode', TRUE) ? check_plain(variable_get('uc_stripe_api_key_test_publishable', '')) : check_plain(variable_get('uc_stripe_api_key_live_publishable', ''));
// Add custom JS and CSS
$form['#attached']['js']['https://js.stripe.com/v2/'] = array('type' => 'external');
$form['#attached']['js'][] = array('data' => "Stripe.setPublishableKey('$apikey')", 'type' => 'inline');
$form['#attached']['js'][] = drupal_get_path('module', 'uc_stripe') . '/js/uc_stripe.js';
$form['#attached']['css'][] = drupal_get_path('module', 'uc_stripe') . '/css/uc_stripe.css';
// Add custom submit which will do saving away of token during submit.
$form['#submit'][] = 'uc_stripe_checkout_form_customsubmit';
// Add a section for stripe.js error messages (CC validation, etc.)
$form['panes']['messages'] = array(
'#markup' => "<div id='uc_stripe_messages' class='messages error hidden'></div>",
);
if (uc_credit_default_gateway() == 'uc_stripe') {
if (variable_get('uc_stripe_testmode', TRUE)) {
$form['panes']['testmode'] = array(
'#prefix' => "<div class='messages' style='background-color:#BEEBBF'>",
'#markup' => t("Test mode is <strong>ON</strong> for the Stripe Payment Gateway. Your card will not be charged. To change this setting, edit the !link", array('!link' => l("Stripe settings", "admin/store/settings/payment/method/credit"))),
'#suffix' => "</div>",
);
}
}
}
/**
* Implements hook_order_pane to provide the stripe customer info
*
* @return array
*/
function uc_stripe_uc_order_pane() {
$panes[] = array(
'id' => 'uc_stripe',
'callback' => 'uc_stripe_order_pane_stripe',
'title' => t('Stripe Customer Info'),
'desc' => t("Stripe Information"),
'class' => 'pos-left',
'weight' => 3,
'show' => array('view', 'edit'),
);
return $panes;
}
/**
* Implements hook_uc_checkout_complete()
*
* Saves stripe customer_id into the user->data object
*
* @param $order
* @param $account
*/
function uc_stripe_uc_checkout_complete($order, $account) {
if ($order->payment_method == "credit") {
// Pull the stripe customer ID from the session.
// It got there in uc_stripe_checkout_form_customsubmit()
$stripe_customer_id = $_SESSION['stripe']['customer_id'];
$loaded_user = user_load($account->uid);
user_save($loaded_user, array('data' => array('uc_stripe_customer_id' => $stripe_customer_id)));
}
}
/**
* Implements uc_order_pane_callback() specified in 'callback' of
* uc_stripe_uc_order_pane()
*
* Returns text for customer id for order pane.
*
* @param $op
* @param $order
* @param $form
* @param $form_state
* @return array
*/
function uc_stripe_order_pane_stripe($op, $order, &$form = NULL, &$form_state = NULL) {
switch ($op) {
case 'view':
$stripe_customer_id = _uc_stripe_get_customer_id($order->uid);
$output = t("Customer ID: ") . $stripe_customer_id;
return array('#markup' => $output);
default:
return;
}
}
/**
* Provide configuration form for uc_stripe
*
* @return mixed
*/
function uc_stripe_settings_form() {
$form['uc_stripe_settings'] = array(
'#type' => 'fieldset',
'#title' => t('Stripe settings'),
);
$form['uc_stripe_settings']['uc_stripe_api_key_test_secret'] = array(
'#type' => 'textfield',
'#title' => t('Test Secret Key'),
'#default_value' => variable_get('uc_stripe_api_key_test_secret', ''),
'#description' => t('Your Development Stripe API Key. Must be the "secret" key, not the "publishable" one.'),
);
$form['uc_stripe_settings']['uc_stripe_api_key_test_publishable'] = array(
'#type' => 'textfield',
'#title' => t('Test Publishable Key'),
'#default_value' => variable_get('uc_stripe_api_key_test_publishable', ''),
'#description' => t('Your Development Stripe API Key. Must be the "publishable" key, not the "secret" one.'),
);
$form['uc_stripe_settings']['uc_stripe_api_key_live_secret'] = array(
'#type' => 'textfield',
'#title' => t('Live Secret Key'),
'#default_value' => variable_get('uc_stripe_api_key_live_secret', ''),
'#description' => t('Your Live Stripe API Key. Must be the "secret" key, not the "publishable" one.'),
);
$form['uc_stripe_settings']['uc_stripe_api_key_live_publishable'] = array(
'#type' => 'textfield',
'#title' => t('Live Publishable Key'),
'#default_value' => variable_get('uc_stripe_api_key_live_publishable', ''),
'#description' => t('Your Live Stripe API Key. Must be the "publishable" key, not the "secret" one.'),
);
$form['uc_stripe_settings']['uc_stripe_testmode'] = array(
'#type' => 'checkbox',
'#title' => t('Test mode'),
'#description' => 'Testing Mode: Stripe will use the development API key to process the transaction so the card will not actually be charged.',
'#default_value' => variable_get('uc_stripe_testmode', TRUE),
);
$form['uc_stripe_settings']['uc_stripe_poweredby'] = array(
'#type' => 'checkbox',
'#title' => t('Powered by Stripe'),
'#description' => 'Show "powered by Stripe" in shopping cart.',
'#default_value' => variable_get('uc_stripe_poweredby', FALSE),
);
return $form;
}
/**
* Implements hook_form_FORMID_alter()
*
* Add validation function for stripe settings
*
* @param $form
* @param $form_state
*/
function uc_stripe_form_uc_payment_method_settings_form_alter(&$form, &$form_state) {
$form['#validate'][] = 'uc_stripe_settings_form_validate';
}
/**
* Validation function and normalize keys (trim spaces)
*
* @param $form
* @param $form_state
*/
function uc_stripe_settings_form_validate($form, &$form_state) {
$elements = array('uc_stripe_api_key_test_secret', 'uc_stripe_api_key_test_publishable', 'uc_stripe_api_key_live_secret', 'uc_stripe_api_key_live_publishable', );
if ($form_state['values']['uc_pg_uc_stripe_enabled']) {
foreach ($elements as $element_name) {
$form_state['values'][$element_name] = _uc_stripe_sanitize_key($form_state['values'][$element_name]);
if (!_uc_stripe_validate_key($form_state['values'][$element_name])) {
form_set_error($element_name, t('@name does not appear to be a valid stripe key', array('@name' => $element_name)));
}
}
}
// Make sure they haven't tried to validate credit card numbers, as uc_stripe will not provide a real one.
if (!empty($form_state['values']['uc_credit_validate_numbers'])) {
form_set_error('uc_credit_validate_numbers', t('When used with Ubercart Stripe, "Validate credit card number at checkout" must be unchecked.'));
}
}
/**
* Sanitize and strip whitespace from Stripe keys
*
* @param $key
*/
function _uc_stripe_sanitize_key($key) {
$key = trim($key);
$key = check_plain($key);
return $key;
}
/**
* Validate Stripe key
*
* @param $key
* @return boolean
*/
function _uc_stripe_validate_key($key) {
$valid = preg_match('/^[a-zA-Z0-9_]+$/', $key);
return $valid;
}
/**
* Custom submit function to store the stripe token
*
* Since we don't have a user account at this step, we're going to store the token
* in the session. We'll grab the token in the charge callback and use it to charge
*
* @param $form
* @param $form_state
*/
function uc_stripe_checkout_form_customsubmit($form, &$form_state) {
// This submit may be entered on another payment type, so don't set session in that case.
if (!empty($form_state['values']['panes']['payment']['details']['stripe_token'])) {
$_SESSION['stripe']['token'] = $form_state['values']['panes']['payment']['details']['stripe_token'];
}
}
/**
* Generic "charge" callback that runs on checkout and via the order's "card" terminal
*
* @param $order_id
* @param $amount
* @param $data
* @return array
*/
function uc_stripe_charge($order_id, $amount, $data) {
global $user;
// Load the stripe PHP API
if (!_uc_stripe_prepare_api()) {
$result = array(
'success' => FALSE,
'comment' => t('Stripe API not found.'),
'message' => t('Stripe API not found. Contact the site administrator.'),
'uid' => $user->uid,
'order_id' => $order_id,
);
return $result;
}
$order = uc_order_load($order_id);
$context = array(
'revision' => 'formatted-original',
'type' => 'amount',
);
$options = array(
'sign' => FALSE,
'thou' => FALSE,
'dec' => FALSE,
'prec' => 2,
);
// Format the amount in cents, which is what Stripe wants
$amount = uc_currency_format($amount, FALSE, FALSE, FALSE);
$stripe_customer_id = FALSE;
// If the user running the order is not the order's owner
// (like if an admin is processing an order on someone's behalf)
// then load the customer ID from the user object.
// Otherwise, make a brand new customer each time a user checks out.
if ($user->uid != $order->uid) {
$stripe_customer_id = _uc_stripe_get_customer_id($order->uid);
}
// Always Create a new customer in stripe for new orders
if (!$stripe_customer_id) {
try {
// If the token is not in the user's session, we can't set up a new customer
if (empty($_SESSION['stripe']['token'])) {
throw new Exception('Token not found');
}
$stripe_token = $_SESSION['stripe']['token'];
$shipping_info = array();
if (!empty($order->delivery_postal_code)) {
$shipping_info = array(
'name' => @"{$order->delivery_first_name} {$order->delivery_last_name}",
'phone' => @$order->delivery_phone,
);
$delivery_country = uc_get_country_data(array('country_id' => $order->delivery_country));
if ($delivery_country === FALSE) {
$delivery_country = array(0 => array('country_iso_code_2' => 'US'));
}
$shipping_info['address'] = array(
'city' => @$order->delivery_city,
'country' => @$delivery_country[0]['country_iso_code_2'],
'line1' => @$order->delivery_street1,
'line2' => @$order->delivery_street2,
'postal_code' => @$order->delivery_postal_code,
);
}
$params = array(
"source" => $stripe_token,
'description' => "OrderID: {$order->order_id}",
'email' => "$order->primary_email"
);
if (!empty($shipping_info)) {
$params['shipping'] = $shipping_info;
}
//Create the customer in stripe
$customer = \Stripe\Customer::create($params);
// Store the customer ID in the session,
// We'll pick it up later to save it in the database since we might not have a $user object at this point anyway
$stripe_customer_id = $_SESSION['stripe']['customer_id'] = $customer->id;
} catch (Exception $e) {
$result = array(
'success' => FALSE,
'comment' => $e->getCode(),
'message' => t("Stripe Customer Creation Failed for order !order: !message", array(
"!order" => $order_id,
"!message" => $e->getMessage()
)),
'uid' => $user->uid,
'order_id' => $order_id,
);
uc_order_comment_save($order_id, $user->uid, $result['message'], 'admin');
watchdog('uc_stripe', 'Failed stripe customer creation: @message', array('@message' => $result['message']));
return $result;
}
}
// Charge the stripe customer the amount in the order
//--Handle transactions for $0
// Stripe can't handle transactions < $0.50, but $0 is a common value
// so we will just return a positive result when the amount is $0.
if ($amount == 0) {
$result = array(
'success' => TRUE,
'message' => t('Payment of $0 approved'),
'uid' => $user->uid,
'trans_id' => md5(uniqid(rand())),
);
uc_order_comment_save($order_id, $user->uid, $result['message'], 'admin');
return $result;
}
// Charge the customer
try {
//Bail if there's no customer ID
if (empty($stripe_customer_id)) {
throw new Exception('No customer ID found');
}
$params = array(
"amount" => $amount,
"currency" => strtolower($order->currency),
"customer" => $stripe_customer_id,
"description" => t("Order #@order_id", array("@order_id" => $order_id)),
);
if (!empty($shipping_info)) {
$params['shipping'] = $shipping_info;
}
// charge the Customer the amount in the order
$charge = \Stripe\Charge::create($params);
$formatted_amount = $amount / 100;
$formatted_amount = number_format($formatted_amount, 2);
$result = array(
'success' => TRUE,
'message' => t('Payment of @amount processed successfully, Stripe transaction id @transaction_id.', array('@amount' => $formatted_amount, '@transaction_id' => $charge->id)),
'comment' => t('Stripe transaction ID: @transaction_id', array('@transaction_id' => $charge->id)),
'uid' => $user->uid,
);
uc_order_comment_save($order_id, $user->uid, $result['message'], 'admin');
uc_order_comment_save($order_id, $user->uid, $result['message'], 'order', 'completed', FALSE);
return $result;
} catch (Exception $e) {
$result = array(
'success' => FALSE,
'comment' => $e->getCode(),
'message' => t("Stripe Charge Failed for order !order: !message", array(
"!order" => $order_id,
"!message" => $e->getMessage()
)),
'uid' => $user->uid,
'order_id' => $order_id,
);
uc_order_comment_save($order_id, $user->uid, $result['message'], 'admin');
watchdog('uc_stripe', 'Stripe charge failed for order @order, message: @message', array('@order' => $order_id, '@message' => $result['message']));
return $result;
}
// Default / Fallback procedure to fail if the above conditions aren't met
$result = array(
'success' => FALSE,
'comment' => "Stripe Gateway Error",
'message' => "Stripe Gateway Error",
'uid' => $user->uid,
'order_id' => $order_id,
);
uc_order_comment_save($order_id, $user->uid, $result['message'], 'admin');
watchdog('uc_stripe', 'Stripe gateway error for order @order_id', array('order_id' => $order_id));
return $result;
}
/**
* Handle renewing a recurring fee, called by uc_recurring
*
* Runs when the subscription interval is hit. So once a month or whatever.
* This just charges the stripe customer whatever amount ubercart wants. It does
* not use the Stripe subscription feature.
*
* @param $order
* @param $fee
* @return bool
*/
function uc_stripe_renew($order, &$fee) {
try {
//Load the API
_uc_stripe_prepare_api();
//Get the customer ID
$stripe_customer_id = _uc_stripe_get_customer_id($order->uid);
if (empty($stripe_customer_id)) {
throw new Exception('No stripe customer ID found');
}
//Create the charge
$amount = $fee->fee_amount;
$amount = $amount * 100;
$charge = \Stripe\Charge::create(array(
"amount" => $amount,
"currency" => strtolower($order->currency),
"customer" => $stripe_customer_id
)
);
uc_payment_enter($order->order_id, $order->payment_method, $order->order_total, $fee->uid, $charge, "Success");
$formatted_amount = number_format($fee->fee_amount, 2);
$message = t('Card renewal payment of @amount processed successfully.', array('@amount' => $formatted_amount));
uc_order_comment_save($fee->order_id, $order->uid, $message, 'order', 'completed', FALSE);
return TRUE;
} catch (Exception $e) {
$result = array(
'success' => FALSE,
'comment' => $e->getCode(),
'message' => t("Renewal Failed for order !order: !message", array(
"!order" => $order->order_id,
"!message" => $e->getMessage()
)),
);
uc_order_comment_save($order->order_id, $order->uid, $result['message'], 'admin');
watchdog('uc_stripe', 'Renewal failed for order @order_id, code=@code, message: @message', array('@order_id' => $order->order_id, '@code' => $result['comment'], '@message' => $result['message']));
return FALSE;
}
}
/**
* UC Recurring: Process a new recurring fee.
* This runs when subscriptions are "set up" for the first time.
* There is no action to be taken here except returning TRUE because the customer
* ID is already stored with the user, where it can be accessed when next charge
* takes place.
*
* @param $order
* @param $fee
* @return bool
*/
function uc_stripe_process($order, &$fee) {
return TRUE;
}
/**
* UC Recurring: Cancel a recurring fee.
* This runs when subscriptions are cancelled
* Since we're handling charge intervals in ubercart, this doesn't need to do anything.
*
* @param $order
* @param $op
* @return bool
*/
function uc_stripe_cancel($order, $op) {
$message = t("Subscription Canceled");
uc_order_comment_save($order->order_id, $order->uid, $message, 'order', 'completed', FALSE);
return TRUE;
}
/**
* Load stripe API
*
* @return bool
*/
function _uc_stripe_prepare_api() {
module_load_include('install', 'uc_stripe');
if (!_uc_stripe_load_library()) {
return FALSE;
}
if (!_uc_stripe_check_api_keys()) {
watchdog('uc_stripe', 'Stripe API keys are not configured. Payments cannot be made without them.', array(), WATCHDOG_ERROR);
return FALSE;
}
$secret_key = variable_get('uc_stripe_testmode', TRUE) ? variable_get('uc_stripe_api_key_test_secret', '') : variable_get('uc_stripe_api_key_live_secret', '');
try {
$library = libraries_load('stripe');
\Stripe\Stripe::setApiKey($secret_key);
\Stripe\Stripe::setApiVersion($library['stripe_api_version']);
} catch (Exception $e) {
watchdog('uc_stripe', 'Error setting the Stripe API Key. Payments will not be processed: %error', array('%error' => $e->getMessage()));
}
return TRUE;
}
/**
* Check that all API keys are configured.
*
* @return bool
* TRUE if all 4 keys have a value.
*/
function _uc_stripe_check_api_keys() {
return (variable_get('uc_stripe_api_key_live_publishable', FALSE) &&
variable_get('uc_stripe_api_key_live_secret', FALSE) &&
variable_get('uc_stripe_api_key_test_publishable', FALSE) &&
variable_get('uc_stripe_api_key_test_secret', FALSE));
}
/**
* Retrieve the Stripe customer id for a user
*
* @param $uid
* @return bool
*/
function _uc_stripe_get_customer_id($uid) {
$account = user_load($uid);
$id = !empty($account->data['uc_stripe_customer_id']) ? $account->data['uc_stripe_customer_id'] : FALSE;
return $id;
}
/**
* Implements hook_theme_registry_alter() to make sure that we render
* the entire credit form, including the key returned by JS.
*
* @param $theme_registry
*/
function uc_stripe_theme_registry_alter(&$theme_registry) {
if (!empty($theme_registry['uc_payment_method_credit_form'])) {
$theme_registry['uc_payment_method_credit_form']['function'] = 'uc_stripe_uc_payment_method_credit_form';
}
}
/**
* Replace uc_credit's form themeing with our own - adds stripe_token.
* @param $form
* @return string
*/
function uc_stripe_uc_payment_method_credit_form($form) {
$output = drupal_render($form['stripe_nojs_warning']);
$output .= drupal_render($form['config_error']);
$output .= theme('uc_payment_method_credit_form',$form);
$output .= drupal_render($form['stripe_token']);
$output .= drupal_render($form['dummy_image_load']);
return $output;
}