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✏️ Editing: paypal-pro.merchant.php

<?php

$nzshpcrt_gateways[$num] = array(
	'name'                   => __( 'PayPal Pro 2.0', 'wp-e-commerce' ),
	'api_version'            => 2.0,
	'class_name'             => 'wpsc_merchant_paypal_pro',
	'has_recurring_billing'  => true,
	'wp_admin_cannot_cancel' => true,
	'display_name'			 => __( 'PayPal Pro', 'wp-e-commerce' ),
	'image' => WPSC_URL . '/images/cc.gif',
	'requirements'           => array(
		'php_version'        => 4.3,    // so that you can restrict merchant modules to PHP 5, if you use PHP 5 features
		'extra_modules'      => array() // for modules that may not be present, like curl
	),
	'form'                   => 'form_paypal_pro',
	'submit_function'        => 'submit_paypal_pro',
	'internalname'           => 'wpsc_merchant_paypal_pro',
	// All array members below here are legacy, and use the code in paypal_multiple.php
	//	'form' => 'form_paypal_multiple',
	//	'submit_function' => 'submit_paypal_multiple',
	'payment_type'           => 'paypal',
	'supported_currencies'   => array(
		'currency_list'      => array( 'AUD', 'BRL', 'CAD', 'CHF', 'CZK', 'DKK', 'EUR', 'GBP', 'HKD', 'HUF', 'ILS', 'JPY', 'MXN', 'MYR', 'NOK', 'NZD', 'PHP', 'PLN', 'SEK', 'SGD', 'THB', 'TWD', 'USD' ),
		'option_name'        => 'paypal_curcode'
	)
);

/**
 * WP eCommerce PayPal Standard Merchant Class
 *
 * This is the paypal standard merchant class, it extends the base merchant class
 *
 * @package wp-e-commerce
 * @since 3.7.6
 * @subpackage wpsc-merchants
 */
class wpsc_merchant_paypal_pro extends wpsc_merchant {

public $name                 = '';
	public $paypal_ipn_values    = array();
	public $local_currency_code  = '';
	public $paypal_currency_code = '';
	public $rate                 = '';

function __construct( $purchase_id = null, $is_receiving = false ) {
		$this->name = __( 'PayPal Pro 2.0', 'wp-e-commerce' );
		parent::__construct( $purchase_id, $is_receiving );
	}

function get_local_currency_code() {
		if ( empty( $this->local_currency_code ) ) {
			global $wpdb;
			$this->local_currency_code = WPSC_Countries::get_currency_code( get_option( 'currency_type' ) );
		}

return $this->local_currency_code;
	}

function get_paypal_currency_code() {
		if ( empty( $this->paypal_currency_code ) ) {
			global $wpsc_gateways;
			$this->paypal_currency_code = $this->get_local_currency_code();

if ( ! in_array( $this->paypal_currency_code, $wpsc_gateways['wpsc_merchant_paypal_pro']['supported_currencies']['currency_list'] ) )
				$this->paypal_currency_code = get_option( 'paypal_curcode', 'USD' );
		}

return $this->paypal_currency_code;
	}

/**
	 * construct value array method, converts the data gathered by the base class code to something acceptable to the gateway
	 * @access public
	 */
	function construct_value_array() {
		//$collected_gateway_data
		$paypal_vars = array( );
		// Store settings to be sent to paypal

$data = array();
		$data['USER']      = get_option( 'paypal_pro_username' );
		$data['PWD']       = get_option( 'paypal_pro_password' );
		$data['SIGNATURE'] = get_option( 'paypal_pro_signature' );

$data['VERSION']          = "52.0";
		$data['METHOD']           = "DoDirectPayment";
		$data['PAYMENTACTION']    = "Sale";
		$data['RETURNFMFDETAILS'] = "1"; // optional - return fraud management filter data
		$data['CURRENCYCODE'] = $this->get_paypal_currency_code();

// Basic Cart Data
		$data['INVNUM']          = $this->cart_data['session_id'];
		$data['NOTIFYURL']       = add_query_arg( 'gateway', 'wpsc_merchant_paypal_pro', $this->cart_data['notification_url'] );
		$data['IPADDRESS']       = $_SERVER["REMOTE_ADDR"];

if ( $this->cart_data['billing_address']['country'] == 'UK' )
			$this->cart_data['billing_address']['country'] = 'GB';

// Billing Data
		$data['FIRSTNAME']   = $this->cart_data['billing_address']['first_name'];
		$data['LASTNAME']    = $this->cart_data['billing_address']['last_name'];
		$data['EMAIL']       = $this->cart_data['email_address'];
		$data['STREET']      = $this->cart_data['billing_address']['address'];
		$data['CITY']        = $this->cart_data['billing_address']['city'];
		$data['STATE']       = $this->cart_data['billing_address']['state'];
		$data['COUNTRYCODE'] = $this->cart_data['billing_address']['country'];
		$data['ZIP']         = $this->cart_data['billing_address']['post_code'];

// Shipping Data
		$data['SHIPTONAME']    = $this->cart_data['shipping_address']['first_name'] . " " . $this->cart_data['shipping_address']['last_name'];
		$data['SHIPTOSTREET']  = $this->cart_data['shipping_address']['address'];
		$data['SHIPTOCITY']    = $this->cart_data['shipping_address']['city'];

// Check the state for internal numeric ID and trap it
		if ( is_numeric( $this->cart_data['shipping_address']['state'] ) )
			$this->cart_data['shipping_address']['state'] = wpsc_get_state_by_id( $this->cart_data['shipping_address']['state'], 'code' );

if ( $this->cart_data['shipping_address']['country'] == 'UK' ) {
			$this->cart_data['shipping_address']['country'] = 'GB';
		}

$data['SHIPTOSTATE']   = $this->cart_data['shipping_address']['state'];
		$data['SHIPTOCOUNTRY'] = $this->cart_data['shipping_address']['country'];
		$data['SHIPTOZIP']     = $this->cart_data['shipping_address']['post_code'];

// Credit Card Data
		$data['CREDITCARDTYPE'] = $_POST['cctype'];
		$data['ACCT']           = str_replace( array( ' ', '-' ), '', $_POST['card_number'] );
		$data['EXPDATE']        = $_POST['expiry']['month'] . $_POST['expiry']['year'];
		$data['CVV2']           = $_POST['card_code'];

// Ordered Items

// Cart Item Data
		$i = $item_total = 0;
		$tax_total = wpsc_tax_isincluded() ? 0 : $this->cart_data['cart_tax'];

$shipping_total = $this->convert( $this->cart_data['base_shipping'] );

foreach ( $this->cart_items as $cart_row ) {
			$data['L_NAME' . $i] = apply_filters( 'the_title', $cart_row['name'] );
			$data['L_AMT' . $i] = $this->convert( $cart_row['price'] );
			$data['L_NUMBER' . $i] = $i;
			$data['L_QTY' . $i] = $cart_row['quantity'];

$shipping_total += $this->convert( $cart_row['shipping'] );
			$item_total += $this->convert( $cart_row['price'] ) * $cart_row['quantity'];

$i++;
		}

if ( $this->cart_data['has_discounts'] ) {
			$discount_value = $this->convert( $this->cart_data['cart_discount_value'] );

$coupon = new wpsc_coupons( $this->cart_data['cart_discount_data'] );

// free shipping
			if ( $coupon->is_percentage() ) {
				$shipping_total = 0;
				$discount_value = 0;
			} elseif ( $discount_value >= $item_total ) {
				$discount_value = $item_total - 0.01;
				$shipping_total -= 0.01;
			}

$data["L_NAME{$i}"] = _x( 'Coupon / Discount', 'PayPal Pro Item Name for Discounts', 'wp-e-commerce' );
			$data["L_AMT{$i}"] = - $discount_value;
			$data["L_NUMBER{$i}"] = $i;
			$data["L_QTY{$i}"] = 1;
			$item_total -= $discount_value;
		}

// Cart totals
		$data['ITEMAMT'] = $this->format_price( $item_total );
		$data['SHIPPINGAMT'] = $this->format_price( $shipping_total );
		$data['TAXAMT'] = $this->convert( $tax_total );
		$data['AMT'] = $data['ITEMAMT'] + $data['SHIPPINGAMT'] + $data['TAXAMT'];
		$data = apply_filters( 'wpsc_paypal_pro_gateway_data_array', $data, $this->cart_items );
		$data['BUTTONSOURCE'] = 'WPeC_Cart_WPP';

$this->collected_gateway_data = $data;
	}

/**
	 * submit method, sends the received data to the payment gateway
	 * @access public
	 */
	function submit() {
		if ( get_option( 'paypal_pro_testmode' ) == "on" )
			$paypal_url = "https://api-3t.sandbox.paypal.com/nvp"; // Sandbox testing
		else
			$paypal_url = "https://api-3t.paypal.com/nvp"; // Live

$options = array(
			'timeout' => 20,
			'body' => $this->collected_gateway_data,
			'httpversion' => '1.1',
			'user-agent' => $this->cart_data['software_name'] . " " . get_bloginfo( 'url' ),
			'sslverify' => false,
		);
		$response = wp_safe_remote_post( $paypal_url, $options );

// parse the response body

$error_data      = array();
		$parsed_response = array();

if ( is_wp_error( $response ) ) {
			$error_data[0]['error_code'] = null;
			$error_data[0]['error_message'] = __( 'There was a problem connecting to the payment gateway.', 'wp-e-commerce' );
		} else {
			parse_str( $response['body'], $parsed_response );
		}

// List of error codes that we need to convert to something more human readable
		$paypal_error_codes = array( '10500', '10501', '10507', '10548', '10549', '10550', '10552', '10758', '10760', '15003' );

// Extract the error messages from the array
		foreach ( (array)$parsed_response as $response_key => $response_value ) {
			if ( preg_match( "/L_([A-Z]+){1}(\d+){1}()/", $response_key, $matches ) ) {
				$error_number = $matches[2];
				switch ( $matches[1] ) {
					case 'ERRORCODE':
						$error_data[$error_number]['error_code'] = $response_value;
						if ( in_array( $response_value, $paypal_error_codes ) ) {
							$error_data[$error_number]['error_message'] = __( 'There is a problem with your PayPal account configuration, please contact PayPal for further information.', 'wp-e-commerce' ) . $response_value;

break 2;
						}
						break;

case 'LONGMESSAGE':
						// Oddly, this comes with two levels of slashes, so strip them twice
						$error_data[$error_number]['error_message'] = esc_html( stripslashes( stripslashes( $response_value ) ) );
						break;
				}
			}
		}

switch ( $parsed_response['ACK'] ) {
			case 'Success':
			case 'SuccessWithWarning':
				$this->set_transaction_details( $parsed_response['TRANSACTIONID'], 3 );
				$this->go_to_transaction_results( $this->cart_data['session_id'] );
				break;

case 'Failure': /// case 2 is order denied
			default: /// default is http or unknown error state
				foreach ( (array) $error_data as $error_row ) {
					$this->set_error_message( $error_row['error_message'] );
				}
				$this->return_to_checkout();
				exit();
				break;
		}
	}

/**
	 * parse_gateway_notification method, receives data from the payment gateway
	 * @access private
	 */
	function parse_gateway_notification() {
		/// PayPal first expects the IPN variables to be returned to it within 30 seconds, so we do this first.
		$paypal_url = get_option( 'paypal_multiple_url' );

$received_values = array( );
		$received_values['cmd'] = '_notify-validate';
		$received_values += stripslashes_deep ( $_POST );

$options = array(
			'timeout'    => 20,
			'body'       => $received_values,
			'httpversion' => '1.1',
			'user-agent' => ('WP eCommerce/' . WPSC_PRESENTABLE_VERSION)
		);

$response = wp_safe_remote_post( $paypal_url, $options );

if ( strpos( $response['body'], 'VERIFIED' ) !== false ) {
			$this->paypal_ipn_values = $received_values;
			$this->session_id = $received_values['invoice'];
		} else {
			exit( "IPN Request Failure" );
		}
	}

/**
	 * process_gateway_notification method, receives data from the payment gateway
	 * @access public
	 */
	function process_gateway_notification() {
		$status = false;
		switch ( strtolower( $this->paypal_ipn_values['payment_status'] ) ) {
			case 'pending':
				$status = 2;
				break;
			case 'completed':
				$status = 3;
				break;
			case 'denied':
				$status = 6;
				break;
		}

do_action( 'wpsc_paypal_pro_ipn', $this->paypal_ipn_values, $this );
		// Compare the received store owner email address to the set one
		if ( strtolower( $this->paypal_ipn_values['receiver_email'] ) == strtolower( get_option( 'paypal_multiple_business' ) ) ) {
			switch ( $this->paypal_ipn_values['txn_type'] ) {
				case 'cart':
				case 'express_checkout':
					if ( $status )
						$this->set_transaction_details( $this->paypal_ipn_values['txn_id'], $status );
					if ( in_array( $status, array( 2, 3 ) ) )
						transaction_results($this->cart_data['session_id'],false);
					break;

case 'subscr_signup':
				case 'subscr_payment':
					if ( in_array( $status, array( 2, 3 ) ) ) {
						$this->set_transaction_details( $this->paypal_ipn_values['subscr_id'], $status );
						transaction_results($this->cart_data['session_id'],false);
					}
					foreach ( $this->cart_items as $cart_row ) {
						if ( $cart_row['is_recurring'] == true ) {
							do_action( 'wpsc_activate_subscription', $cart_row['cart_item_id'], $this->paypal_ipn_values['subscr_id'] );
							do_action('wpsc_activated_subscription', $cart_row['cart_item_id'], $this );
						}
					}
					break;

case 'subscr_cancel':
				case 'subscr_eot':
				case 'subscr_failed':
					foreach ( $this->cart_items as $cart_row ) {
						$altered_count = 0;
						if ( (bool)$cart_row['is_recurring'] == true ) {
							$altered_count++;
							wpsc_update_cart_item_meta( $cart_row['cart_item_id'], 'is_subscribed', 0 );
						}
					}
					break;

default:
					break;
			}
		}

$message = "
		{$this->paypal_ipn_values['receiver_email']} => " . get_option( 'paypal_multiple_business' ) . "
		{$this->paypal_ipn_values['txn_type']}
		{$this->paypal_ipn_values['mc_gross']} => {$this->cart_data['total_price']}
		{$this->paypal_ipn_values['txn_id']}

" . print_r( $this->cart_items, true ) . "
		{$altered_count}
		";
	}

function format_price( $price ) {
		$paypal_currency_code = get_option( 'paypal_curcode' );

switch ( $paypal_currency_code ) {
			case "JPY":
				$decimal_places = 0;
				break;

case "HUF":
				$decimal_places = 0;

default:
				$decimal_places = 2;
				break;
		}

$price = number_format( sprintf( "%01.2f", $price ), $decimal_places, '.', '' );

return $price;
	}

function convert( $amt ){
		if ( empty( $this->rate ) ) {
			$this->rate = 1;
			$paypal_currency_code = $this->get_paypal_currency_code();
			$local_currency_code = $this->get_local_currency_code();
			if( $local_currency_code != $paypal_currency_code ) {
				$curr=new CURRENCYCONVERTER();
				$this->rate = $curr->convert( 1, $paypal_currency_code, $local_currency_code );
			}
		}

return $this->format_price( $amt * $this->rate );
	}

}

function submit_paypal_pro() {
	if ( isset( $_POST['PayPalPro']['username'] ) )
		update_option( 'paypal_pro_username', sanitize_text_field( $_POST['PayPalPro']['username'] ) );

if ( isset( $_POST['PayPalPro']['password'] ) )
		update_option( 'paypal_pro_password', sanitize_text_field( $_POST['PayPalPro']['password'] ) );

if(isset($_POST['paypal_curcode']))
		update_option('paypal_curcode', sanitize_text_field( $_POST['paypal_curcode'] ) );

if ( isset( $_POST['PayPalPro']['signature'] ) )
		update_option( 'paypal_pro_signature', sanitize_text_field( $_POST['PayPalPro']['signature'] ) );

if ( isset( $_POST['PayPalPro']['testmode'] ) )
		update_option( 'paypal_pro_testmode', sanitize_text_field( $_POST['PayPalPro']['testmode'] ) );

return true;
}

function form_paypal_pro() {
	global $wpsc_gateways, $wpdb;
	if ( get_option( 'paypal_pro_testmode' ) == "on" )
		$selected = 'checked="checked"';
	else
		$selected = '';

$output = '
	<tr>
		<td>
			<label for="paypal_pro_username">' . __( 'API Username:', 'wp-e-commerce' ) . '</label>
		</td>
		<td>
			<input type="text" name="PayPalPro[username]" id="paypal_pro_username" value="' . get_option( "paypal_pro_username" ) . '" size="30" />
		</td>
	</tr>
	<tr>
		<td>
			<label for="paypal_pro_password">' . __( 'API Password:', 'wp-e-commerce' ) . '</label>
		</td>
		<td>
			<input type="password" name="PayPalPro[password]" id="paypal_pro_password" value="' . get_option( 'paypal_pro_password' ) . '" size="16" />
		</td>
	</tr>
	<tr>
		<td>
			<label for="paypal_pro_signature">' . __( 'API Signature:', 'wp-e-commerce' ) . '</label>
		</td>
		<td>
			<input type="text" name="PayPalPro[signature]" id="paypal_pro_signature" value="' . get_option( 'paypal_pro_signature' ) . '" size="48" />
		</td>
	</tr>
	<tr>
		<td>
			<label for="paypal_pro_testmode">' . __( 'Test Mode Enabled:', 'wp-e-commerce' ) . '</label>
		</td>
		<td>
			<input type="hidden" name="PayPalPro[testmode]" value="off" />
			<label for="paypal_pro_testmode"><input type="checkbox" name="PayPalPro[testmode]" id="paypal_pro_testmode" value="on" ' . $selected . ' /> ' . __( 'Test Mode Enabled', 'wp-e-commerce') . '</label>
			<p class=" description">
  				' . sprintf( __( "Only enable test mode if you have a sandbox account with PayPal. You can find out more about this <a href='%s'>here</a>.", 'wp-e-commerce' ), esc_url( 'https://cms.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/howto_testing_sandbox' ) ) . '
  			</p>
  		</td>
  	</tr>';

$store_currency_code = WPSC_Countries::get_currency_code( get_option( 'currency_type' ) );
	$current_currency = get_option('paypal_curcode');

if(($current_currency == '') && in_array($store_currency_code, $wpsc_gateways['wpsc_merchant_paypal_pro']['supported_currencies']['currency_list'])) {
		update_option('paypal_curcode', $store_currency_code);
		$current_currency = $store_currency_code;
	}
	if($current_currency != $store_currency_code) {
		$output .= "<tr> <td colspan='2'><strong class='form_group'>" . __( 'Currency Converter', 'wp-e-commerce' ) . "</td> </tr>
		<tr>
			<td colspan='2'>".__('Your website is using a currency not accepted by PayPal. Please select an accepted currency using the drop down menu below. Buyers on your site will still pay in your local currency. However, we will convert the currency and send the order through to PayPal using the currency you choose below.', 'wp-e-commerce')."</td>
		</tr>

<tr>
			<td>" . __('Convert to', 'wp-e-commerce' ) . " </td>
			<td>
				<select name='paypal_curcode'>\n";

if (!isset($wpsc_gateways['wpsc_merchant_paypal_pro']['supported_currencies']['currency_list']))
			$wpsc_gateways['wpsc_merchant_paypal_pro']['supported_currencies']['currency_list'] = array();

$paypal_currency_list = array_map( 'esc_sql', $wpsc_gateways['wpsc_merchant_paypal_pro']['supported_currencies']['currency_list'] );

$currency_list = WPSC_Countries::get_currencies( true );
		$currency_codes_in_commmon = array_intersect( array_keys( $currency_list ), $paypal_currency_list );

foreach ( $currency_codes_in_commmon as $currency_code ) {
			$selected_currency = '';

$currency_item = $currency_list[$currency_code];

if ( $current_currency == $currency_item['code'] ) {
				$selected_currency = "selected='selected'";
			}
			$output .= "<option ".$selected_currency." value='{$currency_item['code']}'>{$currency_item['currency']}</option>";
		}
		$output .= "
				</select>
			</td>
		</tr>\n";
	}

$output .="
	<tr>
		<td colspan='2'>
			<p class='description'>
				" . sprintf( __( "For more help configuring PayPal Pro, please read our documentation <a href='%s'>here</a>.", 'wp-e-commerce' ), esc_url( 'http://docs.wpecommerce.org/documentation/paypal-payments-pro/' ) ) . "
				</p>
		</td>
	</tr>";
	return $output;
}

$years = $months = '';

if ( in_array( 'wpsc_merchant_paypal_pro', (array)get_option( 'custom_gateway_options' ) ) ) {

$curryear = date( 'Y' );

//generate year options
	for ( $i = 0; $i < 10; $i++ ) {
		$years .= "<option value='" . $curryear . "'>" . $curryear . "</option>\r\n";
		$curryear++;
	}

$output = "
	<tr>
		<td class='wpsc_CC_details'>" . __( 'Credit Card Number <span class="asterix">*</span>', 'wp-e-commerce' ) . "</td>
		<td>
			<input type='text' value='' name='card_number' />
		</td>
	</tr>
	<tr>
		<td class='wpsc_CC_details'>" . __( 'Credit Card Expiry <span class="asterix">*</span>', 'wp-e-commerce' ) . "</td>
		<td>
			<select class='wpsc_ccBox' name='expiry[month]'>
			" . $months . "
			<option value='01'>01</option>
			<option value='02'>02</option>
			<option value='03'>03</option>
			<option value='04'>04</option>
			<option value='05'>05</option>
			<option value='06'>06</option>
			<option value='07'>07</option>
			<option value='08'>08</option>
			<option value='09'>09</option>
			<option value='10'>10</option>
			<option value='11'>11</option>
			<option value='12'>12</option>
			</select>
			<select class='wpsc_ccBox' name='expiry[year]'>
			" . $years . "
			</select>
		</td>
	</tr>
	<tr>
		<td class='wpsc_CC_details'>" . __( 'CVV <span class="asterix">*</span>', 'wp-e-commerce' ) . "</td>
		<td><input type='text' size='4' value='' maxlength='4' name='card_code' />
		</td>
	</tr>
	<tr>
		<td class='wpsc_CC_details'>" . __( 'Card Type <span class="asterix">*</span>', 'wp-e-commerce' ) . "</td>
		<td>
		<select class='wpsc_ccBox' name='cctype'>";

$card_types = array(
		'Visa' => __( 'Visa', 'wp-e-commerce' ),
		'Mastercard' => __( 'MasterCard', 'wp-e-commerce' ),
		'Discover' => __( 'Discover', 'wp-e-commerce' ),
		'Amex' => __( 'Amex', 'wp-e-commerce' ),
	);
	$card_types = apply_filters( 'wpsc_paypal_pro_accepted_card_types', $card_types );
	foreach ( $card_types as $type => $title ) {
		$output .= sprintf( '<option value="%1$s">%2$s</option>', $type, esc_html( $title ) );
	}
	$output .= "</select>
		</td>
	</tr>
";

$gateway_checkout_form_fields[$nzshpcrt_gateways[$num]['internalname']] = $output;

}
?>

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