class_gw_paypal.php

来自「sabreipb 2.1.6 utf-8中文版本！」· PHP 代码 · 共 580 行 · 第 1/2 页

<?php

/*
+--------------------------------------------------------------------------
|   Invision Power Board v2.1.5
|   ========================================
|   by Matthew Mecham
|   (c) 2001 - 2005 Invision Power Services
|   
|   ========================================
|   Web: 
|   Time: Wed, 01 Mar 2006 19:11:28 GMT
|   Release: 
|   Email: 
+---------------------------------------------------------------------------
|
|   > Payment Gateway API: PAYPAL
|   > Module written by Matt Mecham
|   > Date started: 31st March 2005 (14:45)
|
|
+--------------------------------------------------------------------------
*/
		
if ( ! defined( 'GW_CORE_INIT' ) )
{
	print "You cannot access this module in this manner";
	exit();
}

//--------------------------------------------------------------------------
// DEFINITIONS EXPECTED AT THIS POINT
//--------------------------------------------------------------------------
// GW_URL_VALIDATE : The url for validating payment
// GW_URL_PAYDONE  : The url that the gatways returns the viewer to after
//                 : payment processed successfully
// GW_URL_PAYCANCEL: The url that the gatways returns the viewer to after
//                 : payment processed unsuccessfully or when cancelled
//--------------------------------------------------------------------------
// ITEM ARRAY
//--------------------------------------------------------------------------
// 'currency_code'    => Currency code,
// 'member_unique_id' => member's ID,
// 'member_name'      => member's NAME,
// 'member_email'     => member's EMAIL,
// 'package_cost'     => Requested package cost
// 'package_id'       => Requested package ID
// 'package_title'    => Requested package title
// 'duration_int'     => Requested package duration int  (ie: 12)
// 'duration_unit'    => Requested package duration unit (ie: m,d,y,w) [ month, day, year, week ]
// 'company_email'    => Company's email address
// 'ttr_int'          => Time to run (Time left on current package) integar (ie 3)
// 'ttr_unit'         => Time to run (Time left on current package) unit (ie w)
// 'ttr_balance'      => Time to run (Balance left on current package)
// 'ttr_package_id'   => Current package id (used for upgrading)
// 'vendor_id'        => The ID of the vendor (not used in all gateways)
// 'product_id'       => The gateway ID of the product (not used in all gateways)
// 'extra_1' thru 5   => Gateway extras ( from DB / tied in method_vars )
//--------------------------------------------------------------------------

class class_gw_module EXTENDS class_gateway
{

	# Global
	var $ipsclass;
	
	# Identify
	var $i_am = 'PayPal';
	
	var $can_do_recurring_billing = 1;
	var $can_do_upgrades          = 1;
	
	/*-------------------------------------------------------------------------*/
	// INIT
	/*-------------------------------------------------------------------------*/
	
	function main_init()
	{
	}
	
	/*-------------------------------------------------------------------------*/
	// Generate hidden fields [ Recurring, normal screen ]
	/*-------------------------------------------------------------------------*/
	
	function gw_generate_hidden_fields_normal_recurring( $items=array() )
	{
		$this->core_add_hidden_field( "cmd"          , "_xclick-subscriptions" );
		$this->core_add_hidden_field( "currency_code", $items['currency_code'] );
		$this->core_add_hidden_field( "custom"       , $items['member_unique_id'] );
		$this->core_add_hidden_field( "item_number"  , $items['package_id'] );
		$this->core_add_hidden_field( "t3"           , strtoupper($items['duration_unit'] ));
		$this->core_add_hidden_field( "p3"           , $items['duration_int'] );
		$this->core_add_hidden_field( "a3"           , $items['package_cost'] );
		$this->core_add_hidden_field( "business"     , $items['company_email'] );
		$this->core_add_hidden_field( "item_name"    , $items['package_title'] );
		$this->core_add_hidden_field( "no_shipping"  , 1 );
		$this->core_add_hidden_field( "src"          , 1 );
		$this->core_add_hidden_field( "rm"           , 2 );
		$this->core_add_hidden_field( "no_note"      , 1 );
		$this->core_add_hidden_field( "notify_url"   , GW_URL_VALIDATE  );
		$this->core_add_hidden_field( "return"       , GW_URL_PAYDONE   );
		$this->core_add_hidden_field( "cancel_return", GW_URL_PAYCANCEL );
		
		return $this->core_compile_hidden_fields();
	}
	
	/*-------------------------------------------------------------------------*/
	// Generate hidden fields [ Recurring, upgrade screen ]
	/*-------------------------------------------------------------------------*/
	
	function gw_generate_hidden_fields_upgrade_recurring( $items=array() )
	{
		$this->core_add_hidden_field( "cmd"          , "_xclick-subscriptions" );
		$this->core_add_hidden_field( "currency_code", $items['currency_code'] );
		$this->core_add_hidden_field( "custom"       , $items['member_unique_id'] );
		$this->core_add_hidden_field( "item_number"  , $items['package_id'] );
		$this->core_add_hidden_field( "t3"           , strtoupper($items['duration_unit']) );
		$this->core_add_hidden_field( "p3"           , $items['duration_int'] );
		$this->core_add_hidden_field( "a3"           , $items['package_cost'] );
		$this->core_add_hidden_field( "a1"           , $items['ttr_balance'] );
		$this->core_add_hidden_field( "p1"           , $items['ttr_int'] );
		$this->core_add_hidden_field( "t1"           , strtoupper($items['ttr_unit'] ));
		$this->core_add_hidden_field( "memo"         , "upgrade" );
		$this->core_add_hidden_field( "invoice"      , $items['ttr_package_id'].'x'.$items['package_id'].'x'.$items['member_unique_id'] );
		$this->core_add_hidden_field( "business"     , $items['company_email'] );
		$this->core_add_hidden_field( "item_name"    , $items['package_title'] );
		$this->core_add_hidden_field( "no_shipping"  , 1 );
		$this->core_add_hidden_field( "src"          , 1 );
		$this->core_add_hidden_field( "no_note"      , 1 );
		$this->core_add_hidden_field( "rm"           , 2 );
		$this->core_add_hidden_field( "notify_url"   , GW_URL_VALIDATE  );
		$this->core_add_hidden_field( "return"       , GW_URL_PAYDONE   );
		$this->core_add_hidden_field( "cancel_return", GW_URL_PAYCANCEL );
		
		return $this->core_compile_hidden_fields();
	}
	
	/*-------------------------------------------------------------------------*/
	// Generate hidden fields [ normal screen ]
	/*-------------------------------------------------------------------------*/
	
	function gw_generate_hidden_fields_normal( $items=array() )
	{
		$this->core_add_hidden_field( "cmd"          , "_xclick" );
		$this->core_add_hidden_field( "currency_code", $items['currency_code'] );
		$this->core_add_hidden_field( "custom"       , $items['member_unique_id'] );
		$this->core_add_hidden_field( "item_number"  , $items['package_id'] );
		$this->core_add_hidden_field( "item_name"    , $items['package_title'] );
		$this->core_add_hidden_field( "amount"       , $items['package_cost'] );
		$this->core_add_hidden_field( "business"     , $items['company_email'] );
		$this->core_add_hidden_field( "no_shipping"  , 1 );
		$this->core_add_hidden_field( "src"          , 1 );
		$this->core_add_hidden_field( "notify_url"   , GW_URL_VALIDATE  );
		$this->core_add_hidden_field( "return"       , GW_URL_PAYDONE   );
		$this->core_add_hidden_field( "cancel_return", GW_URL_PAYCANCEL );
		
		return $this->core_compile_hidden_fields();
	}
	
	/*-------------------------------------------------------------------------*/
	// Generate hidden fields [ upgrade screen ]
	/*-------------------------------------------------------------------------*/
	
	function gw_generate_hidden_fields_upgrade( $items=array() )
	{
		$this->core_add_hidden_field( "cmd"          , "_xclick" );
		$this->core_add_hidden_field( "currency_code", $items['currency_code'] );
		$this->core_add_hidden_field( "custom"       , $items['member_unique_id'] );
		$this->core_add_hidden_field( "item_number"  , $items['package_id'] );
		$this->core_add_hidden_field( "business"     , $items['company_email'] );
		$this->core_add_hidden_field( "item_name"    , $items['package_title'] );
		$this->core_add_hidden_field( "invoice"      , $items['ttr_package_id'].'x'.$items['package_id'].'x'.$items['member_unique_id'] );
		$this->core_add_hidden_field( "amount"       , $items['ttr_balance'] );
		$this->core_add_hidden_field( "no_shipping"  , 1 );
		$this->core_add_hidden_field( "src"          , 1 );
		$this->core_add_hidden_field( "notify_url"   , GW_URL_VALIDATE  );
		$this->core_add_hidden_field( "return"       , GW_URL_PAYDONE   );
		$this->core_add_hidden_field( "cancel_return", GW_URL_PAYCANCEL );
		
		return $this->core_compile_hidden_fields();
	}
	
	/*-------------------------------------------------------------------------*/
	// Generate Purchase button
	/*-------------------------------------------------------------------------*/
	
	function gw_generate_purchase_button()
	{
		return '<input type="image" src="https://www.paypal.com/images/x-click-but6.gif" name="submit" alt="'.$this->ipsclass->lang['paywith_paypal'].'" />';
	}
	
	/*-------------------------------------------------------------------------*/
	// Generate Form action [normal]
	/*-------------------------------------------------------------------------*/
	
	function gw_generate_normal_form_action()
	{
		return "https://www.paypal.com/cgi-bin/webscr";
	}
	
	/*-------------------------------------------------------------------------*/
	// Generate Form action [upgrade]
	/*-------------------------------------------------------------------------*/
	
	function gw_generate_upgrade_form_action()
	{
		return $this->gw_generate_normal_form_action();
	}
	
	/*-------------------------------------------------------------------------*/
	// Generate Form action [normal, recurring]
	/*-------------------------------------------------------------------------*/
	
	function gw_generate_normal_recurring_form_action()
	{
		return $this->gw_generate_normal_form_action();
	}
	
	/*-------------------------------------------------------------------------*/
	// Generate Form action [upgrade, recurring]
	/*-------------------------------------------------------------------------*/
	
	function gw_generate_upgrade_recurring_form_action()
	{
		return $this->gw_generate_normal_form_action();
	}
	
	/*-------------------------------------------------------------------------*/
	// Validate Payment
	// What we need to return:
	// 'currency_code'      => Currency code,
	// 'payment_amount'     => Amount paid,
	// 'payment_status'     => REFUND, ONEOFF, RECURRING
	// 'member_unique_id'   => member's ID,
	// 'purchase_package_id'=> Purchased package ID
	// 'current_package_id' => Current package ID (used for upgrading)
	// 'verified'           => TRUE , FALSE (Gateway verifies info as correct)
	// 'subscription_id'    => (Used for recurring payments)
	// 'transaction_id'     => Gateway transaction ID
	/*-------------------------------------------------------------------------*/
	
	function gw_validate_payment()
	{
		//--------------------------------------
		// INIT
		//--------------------------------------
		
		//--------------------------------------
		// Debug...
		//--------------------------------------
		
		if ( GW_TEST_MODE_ON )
		{
			if ( ! is_array( $_POST ) or ! count( $_POST ) )
			{
				$_POST = $_GET;
			}
		}
		
		$post_back[] = 'cmd=_notify-validate';
		
		foreach ($_POST as $key => $val)
		{
			$post_back[] = $key . '=' . urlencode ($val);
		}
		
		$post_back_str = implode('&', $post_back);
		
		//--------------------------------------
		// URLS
		//--------------------------------------
		
		$urls = array( 'curl_full' => 'http://www.paypal.com/cgi-bin/webscr',
					   'sock_url'  => 'www.paypal.com',
					   'sock_path' => '/cgi-bin/webscr' );
					   
		//--------------------------------------
		// Throw back to PayPal to verify
		//--------------------------------------
		
		$state = $this->core_post_back( $urls, $post_back_str, 80 );
		
		//--------------------------------------
		// Check...
		//--------------------------------------
		
		$state = ( stristr($state, 'VERIFIED') ) ? 'VERIFIED' : 'INVALID';
		
		if ( $state != 'VERIFIED' )
		{