From 017b4b731c3dcab059e8a2548983aa15996b46d9 Mon Sep 17 00:00:00 2001
From: Matt <bedrocks@gmail.com>
Date: Thu, 3 Oct 2019 21:18:09 -0500
Subject: [PATCH] 7.x-3.x-dev

---
 uc_stripe.mail.inc  |  62 ++++++++++++++++++
 uc_stripe.pages.inc | 149 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 211 insertions(+)
 create mode 100644 uc_stripe.mail.inc
 create mode 100644 uc_stripe.pages.inc

diff --git a/uc_stripe.mail.inc b/uc_stripe.mail.inc
new file mode 100644
index 0000000..bc9f875
--- /dev/null
+++ b/uc_stripe.mail.inc
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * This function returns the default off session authention email text.
+ * @return $text - Email text
+ */
+function _uc_stripe_get_authentication_required_email_text(){
+  $text = t("Dear [user:name],
+
+We were unable to process your subscription payment.
+
+Your financial institution is requesting additional verification before your subscription can be renewed.
+
+Please visit this link to return to our site and complete the verification step.
+
+[uc_stripe:verification-link]
+
+-- [site:name] team
+
+");
+
+  return $text;
+}
+
+/**
+ *
+ * Token callback that adds the authentication link to user mails.
+ *
+ * This function is used by the token_replace() call in uc_stripe_mail() to add
+ * the url to verify payment information
+ *
+ * @param $replacements
+ *   An associative array variable containing mappings from token names to
+ *   values (for use with strtr()).
+ * @param $data
+ *   An associative array of token replacement values.
+ * @param $options
+ *   Unused parameter required by the token_replace() function. */
+function uc_stripe_mail_tokens(&$replacements, $data, $options) {
+  global $base_url;
+  $replacements['[uc_stripe:verification-link]'] = $base_url.'/stripe/authenticate-payment/'.$data['authentication_key'];
+}
+
+/**
+ * Implements hook_mail().
+ *
+ * Send mail and replace token with authenticaion link.
+ */
+function uc_stripe_mail($key, &$message, $params) {
+
+  switch ($key) {
+    case 'authentication_required' :
+
+      $message['subject'] = t('Additional Verification Required to Process Subscription.');
+      $variables = array('user' => $params['user'], 'authentication_key' => $params['hash']);
+
+      $message['body'][]= token_replace($params['body'], $variables, array('language' => language_default(), 'callback' => 'uc_stripe_mail_tokens', 'sanitize' => FALSE, 'clear' => TRUE));
+
+      break;
+  }
+
+}
\ No newline at end of file
diff --git a/uc_stripe.pages.inc b/uc_stripe.pages.inc
new file mode 100644
index 0000000..d80ce8d
--- /dev/null
+++ b/uc_stripe.pages.inc
@@ -0,0 +1,149 @@
+<?php
+
+/**
+ * Implements hook_form().
+ *
+ * This form allows the user to authenticate in order for their recurring payment
+ * to be processed.
+ */
+function uc_stripe_authenticate_payment_form($form, &$form_state, $hash) {
+  $form = array();
+
+  $pending_order = db_select('uc_stripe_pending_auth', 'u')
+  ->fields('u', array('order_id', 'completed', 'rfee_id'))
+  ->condition('hash', $hash)
+  ->execute()
+  ->fetchObject();
+
+
+  if(!$pending_order){
+    $form['error'] = array(
+        '#markup' => t('Sorry, we could not verify your payment details. Please verify the link and try again. Contact support if the problem persists.'),
+    );
+    return $form;
+  }
+
+  $order_id = $pending_order->order_id;
+  $completed = $pending_order->completed;
+  $rfee_id = $pending_order->rfee_id;
+
+  if ($completed) {
+    $form['error'] = array(
+        '#markup' => t('This payment has already been verified.'),
+    );
+    return $form;
+  };
+
+  $form['heading'] = array(
+    '#markup' => t('<p>Your financial institution has requested additional verification to process your scheduled payment.</p>'),
+  );
+
+  $form['order_id'] = array(
+    '#type' => 'hidden',
+    '#value' => $order_id,
+  );
+
+  $form['rfee_id'] = array(
+      '#type' => 'hidden',
+      '#value' => $rfee_id,
+  );
+
+  $form['hash'] = array(
+      '#type' => 'hidden',
+      '#value' => $hash,
+  );
+
+  $form['submit'] = array(
+    '#type' => 'submit',
+    '#value' => t('Verify Payment')
+  );
+
+  $order = uc_order_load($order_id);
+  $user = user_load($order->uid);
+  $payment_method_id = _uc_stripe_get_payment_id($user->uid);
+  $stripe_customer_id = _uc_stripe_get_customer_id($user->uid);
+
+  $order_id = $order_id;
+  $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', ''));
+  $settings = array('apikey' => $apikey, 'methodId' => $payment_method_id, 'orderId' => $order_id);
+
+  //Attach Stripe v3 JS library and JS for processing payment
+  $form['#attached']['js']['https://js.stripe.com/v3/'] = array('type' => 'external');
+  $form['#attached']['js'][] = array('data' => array('uc_stripe' => $settings), 'type' => 'setting');
+  $form['#attached']['js'][] = drupal_get_path('module', 'uc_stripe') . '/js/uc_stripe_process_payment.js';
+  $form['#attached']['css'][] = drupal_get_path('module', 'uc_stripe') . '/css/uc_stripe.css';
+
+  return $form;
+}
+
+function uc_stripe_authenticate_payment_form_submit($form, &$form_state){
+
+  $order_id = $form_state['values']['order_id'];
+  $rfee_id = $form_state['values']['rfee_id'];
+  $hash = $form_state['values']['hash'];
+
+  $order = uc_order_load($order_id);
+  $intent_id = $order->data['payment_intent_id'];
+
+  try{
+    _uc_stripe_prepare_api();
+    $payment_intent = \Stripe\PaymentIntent::retrieve($intent_id);
+
+    if ($payment_intent->status != 'succeeded') {
+      throw new Exception('Payment intent failed');
+    }
+
+    $charge_id = $payment_intent->charges->data[0]['id'];
+    $amount = uc_currency_format($order->order_total, FALSE, FALSE, FALSE);
+
+    $formatted_amount = $amount / 100;
+    $formatted_amount = number_format($formatted_amount, 2);
+
+    $message = t('Payment of @amount processed successfully, Stripe transaction id @transaction_id.', array('@amount' => $formatted_amount, '@transaction_id' => $charge_id));
+    $COMPLETED = 1;
+
+    //Set all orders matching the order id and fee id to completed. This is incase
+    // there were multiple attempts to process the subscription.
+    db_update('uc_stripe_pending_auth')
+    ->fields(array(
+        'completed' => $COMPLETED,
+    ))
+    ->condition('order_id', $order_id)
+    ->condition('rfee_id', $rfee_id)
+    ->execute();
+
+    $fee = uc_recurring_fee_user_load($rfee_id);
+    uc_payment_enter($order->order_id, $order->payment_method, $order->order_total, $fee->uid, $payment_intent, "Success");
+
+    // Since we have processed the payment here already, we'll temporarily change the fee
+    // handler to the the default uc_recurring fee handler that simply returns TRUE
+    // without any processing.
+    $fee->fee_handler = 'default';
+    $id = uc_recurring_renew($fee);
+
+    // We need to reset the fee handler for this order back to uc_stripe so that
+    // future subscriptions work.
+    $fee = uc_recurring_fee_user_load($fee->rfid);
+    $fee->fee_handler = 'uc_stripe';
+    uc_recurring_fee_user_save($fee);
+
+    uc_order_comment_save($order_id, $order->uid, $message, 'admin');
+    uc_order_comment_save($order_id, $order->uid, $message, 'order', 'completed', FALSE);
+
+    $form_state['redirect'] = '/';
+    drupal_set_message('You have successfully completed your payment');
+
+  } catch (Exception $e) {
+
+    $message = t("Stripe Charge Failed for order !order: !message", array(
+        "!order" => $order_id,
+        "!message" => $e->getMessage()
+    ));
+
+    uc_order_comment_save($order_id, $order->uid, $message, 'admin');
+    watchdog('uc_stripe', 'Stripe charge failed for order @order, message: @message', array('@order' => $order_id, '@message' => $message));
+    $fail_message = variable_get('uc_credit_fail_message', t('We were unable to process your credit card payment. Please verify your details and try again.  If the problem persists, contact us to complete your order.'));
+    drupal_set_message($fail_message, 'error');
+
+  }
+}