<?php

######################################################################
#
# Name:         lphp.php
#
# Description:  Page displayed after a user pays for membership
#

#
####################################################################

		/* lphp.php  LINKPOINT PHP MODULE */
	
		/* A php interlocutor CLASS for
		LinkPoint: LINKPOINT LSGS API using
		libcurl, liblphp.so and liblpssl.so
		v3.0.005  20 Aug. 2003  smoffet */
		
		
# Copyright 2003 LinkPoint International, Inc. All Rights Reserved.
# 
# This software is the proprietary information of LinkPoint International, Inc.
# Use is subject to license terms.


	### YOU REALLY DO NOT NEED TO EDIT THIS FILE! ###


class lphp
{
	var $debugging;

	###########################################
	#
	#	F U N C T I O N    p r o c e s s ( ) 
	#
	#	process a hash table or XML string 
	#	using LIBLPHP.SO and LIBLPSSL.SO
	#
	###########################################

	function process($data)
	{
		$using_xml = 0;
		$webspace = 1;

		if (isset($data["webspace"]))
		{
			if ($data["webspace"] == "false") // if explicitly set to false, don't use html output
				$webspace = 0;
		}

		if ( isset($data["debugging"]) || isset($data["debug"]) )
		{
			if ($data["debugging"] == "true" || $data["debug"] == "true"  )
			{
				$this->debugging = 1;
				
				# print out incoming hash
				if ($webspace)	// use html-friendly output
				{
					echo "at process, incoming data: <br>";
				
					while (list($key, $value) = each($data))
						 echo htmlspecialchars($key) . " = " . htmlspecialchars($value) . "<BR>\n";
				}
				else      // don't use html output
				{
					echo "at process, incoming data: \n";
					
					while (list($key, $value) = each($data))
						echo "$key = $value\n"; 
				}

				reset($data); 
			}
		}

		if (isset($data["xml"])) // if XML string is passed in, we'll use it
		{
			$using_xml = 1;
			$xml = $data["xml"];
		}
		else
		{
			//  otherwise convert incoming hash to XML string
			$xml = $this->buildXML($data);
		}

		// then set up transaction variables
		$key	= $data["keyfile"];
		$host	= $data["host"];
		$port	= $data[port];


		# FOR PERFORMANCE, Use the 'extensions' statement in your php.ini to load
		# this library at PHP startup, then comment out the next seven lines 

		// load library
		if (!extension_loaded('liblphp'))
		{
			if (!dl('liblphp.so'))
			{
				exit("cannot load liblphp.so, bye\n");
			}
		}

		if ($this->debugging)
		{
			if ($webspace)
				echo "<br>sending xml string:<br>" . htmlspecialchars($xml) . "<br><br>";    
			else
				echo "\nsending xml string:\n$xml\n\n";
		}

		// send transaction to LSGS
		$retstg = send_stg($xml, $key, $host, $port);


		if (strlen($retstg) < 4)
			exit ("cannot connect to lsgs, exiting");
		
		if ($this->debugging)
		{	
			if ($this->webspace)	// we're web space
				echo "<br>server responds:<br>" . htmlspecialchars($retstg) . "<br><br>";
			else						// not html output
				echo "\nserver responds:\n $retstg\n\n";
		}
	
		if ($using_xml != 1)
		{
			// convert xml response back to hash
			$retarr = $this->decodeXML($retstg);
			
			// and send it back to caller
			return ($retarr);
		}
		else
		{
			// send server response back
			return $retstg;
		}
	}


	#####################################################
	#
	#	F U N C T I O N    c u r l _ p r o c e s s ( ) 
	#
	#	process hash table or xml string table using 
	#	curl, either with PHP built-in curl methods 
	#	or binary executable curl
	#
	#####################################################
	
	function curl_process($data)
	{
		$using_xml = 0;
		$webspace = 1;

		if (isset($data["webspace"]))
		{
			if ($data["webspace"] == "false") // if explicitly set to false, don't use html output
				$webspace = 0;
		}

		if (isset($data["debugging"]) || isset($data["debug"]) )
		{
			if ($data["debugging"] == "true" || $data["debug"] == "true" )
			{
				$this->debugging = 1;

				# print out incoming hash
				if ($webspace)	// use html-friendly output
				{
					echo "at curl_process, incoming data: <br>";

					while (list($key, $value) = each($data))
						 echo htmlspecialchars($key) . " = " . htmlspecialchars($value) . "<BR>\n";
				}
				else      // don't use html output
				{
					echo "at curl_process, incoming data: \n";
					
					while (list($key, $value) = each($data))
						echo "$key = $value\n";
				}

				reset($data); 
			}
		}

		if (isset($data["xml"])) // if XML string is passed in, we'll use it
		{
			$using_xml = 1;
			$xml = $data["xml"];
		}
		else
		{
			// otherwise convert incoming hash to XML string
			$xml = $this->buildXML($data);
		}

		if ($this->debugging)
		{
			if ($webspace)
				echo "<br>sending xml string:<br>" . htmlspecialchars($xml) . "<br><br>";    
			else
				echo "\nsending xml string:\n$xml\n\n";
		}

		// set up transaction variables
		$key = $data["keyfile"];
		$port = $data["port"];
		$host = "https://".$data["host"].":".$port."/LSGSXML";


		if (isset($data["cbin"])) //using BINARY curl methods
		{
			if ($data["cbin"] == "true")
			{
				if (isset($data["cpath"]))
					$cpath = $data["cpath"];
						
				else // curl path has not been set, try to find curl binary
				{
					if (getenv("OS") == "Windows_NT")
						$cpath = "c:\\curl\\curl.exe";
					else
						$cpath = "/usr/bin/curl";
				}

				// look for $cargs variable, otherwise use default curl arguments
				if (isset($data["cargs"]))
					$args = $data["cargs"];
				else
					$args = "-m 300 -s -S";		// default curl args; 5 min. timeout


				# TRANSACT #

				if (getenv("OS") == "Windows_NT")
				{
					if ($this->debugging)
						$result = exec ("$cpath -v -d \"$xml\" -E $key  -k $host", $retarr, $retnum);
					else
						$result = exec ("$cpath -d \"$xml\" -E $key  -k $host", $retarr, $retnum);
				}
				
				else	//*nix string
				{
					if ($this->debugging){
						$result = exec ("'$cpath' $args -v -E '$key' -d '$xml' '$host'", $retarr, $retnum);
                    }else{
						$result = exec ("'$cpath' $args -E '$key' -d '$xml' '$host'", $retarr, $retnum);
                    }
				}
                $result = $retarr[0];

				# EVALUATE RESPONSE #

				if (strlen($result) < 2)    // no response
				{
					$result = "<r_approved>FAILURE</r_approved><r_error>Could not connect.</r_error>"; 
					return $result;
				}

				if ($this->debugging)
				{
					if ($this->webspace)
						echo "<br>server responds:<br>" . htmlspecialchars($result) . "<br><br>";
					else						// non html output
						echo "\nserver responds:\n $result\n\n";
				}

				if ($using_xml == 1)
				{ 
					// return xml string straight from server
					return ($result);
				}
				else
				{
					// convert xml response back to hash
					$retarr = $this->decodeXML($result);
					
					// and send it back to caller. Done.
					return ($retarr);
				}
			}
		}

		else	// using BUILT-IN PHP curl methods
		{
			$ch = curl_init ();
			curl_setopt ($ch, CURLOPT_URL,$host);
			curl_setopt ($ch, CURLOPT_POST, 1); 
			curl_setopt ($ch, CURLOPT_POSTFIELDS, $xml);
			curl_setopt ($ch, CURLOPT_SSLCERT, $key);
#			curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
#			curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);
			curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);

			if ($this->debugging)
				curl_setopt ($ch, CURLOPT_VERBOSE, 1);

			#  use curl to send the xml SSL string
			$result = curl_exec ($ch);

			curl_close($ch);

			if (strlen($result) < 2)    # no response
			{
				$result = "<r_approved>FAILURE</r_approved><r_error>Could not connect.</r_error>"; 
				return $result;
			}

			if ($this->debugging)
			{	
				if ($webspace)	// html-friendly output
					echo "<br>server responds:<br>" . htmlspecialchars($result) . "<br><br>";
				else
					echo "\nserver responds:\n $result\n\n";
			}

			if ($using_xml)
			{
				# send xml response back
				return $result;
			}
			else
			{
				#convert xml response to hash
				$retarr = $this->decodeXML($result);
				
				# and send it back
				return ($retarr);
			}
		}
	}


	#############################################	
	#
	#	F U N C T I O N   d e c o d e X M L ( ) 
	#
	#	converts the LSGS response xml string	
	#	to a hash of name-value pairs
	#
	#############################################

	function decodeXML($xmlstg)
	{
		preg_match_all ("/<(.*?)>(.*?)\</", $xmlstg, $out, PREG_SET_ORDER);
		
		$n = 0;
		while (isset($out[$n]))
		{
			$retarr[$out[$n][1]] = strip_tags($out[$n][0]);
			$n++; 
		}

		return $retarr;
	}


	############################################
	#
	#	F U N C T I O N    b u i l d X M L ( ) 
	#
	#	converts a hash of name-value pairs
	#	to the correct XML format for LSGS
	#
	############################################

	function buildXML($pdata)
	{

//		while (list($key, $value) = each($pdata))
//			 echo htmlspecialchars($key) . " = " . htmlspecialchars($value) . "<br>\n";


		### ORDEROPTIONS NODE ###
		$xml = "<order><orderoptions>";

		if (isset($pdata["ordertype"]))
			$xml .= "<ordertype>" . $pdata["ordertype"] . "</ordertype>";

		if (isset($pdata["result"]))
			$xml .= "<result>" . $pdata["result"] . "</result>";

		$xml .= "</orderoptions>";


		### CREDITCARD NODE ###
		$xml .= "<creditcard>";

		if (isset($pdata["cardnumber"]))
			$xml .= "<cardnumber>" . $pdata["cardnumber"] . "</cardnumber>";

		if (isset($pdata["cardexpmonth"]))
			$xml .= "<cardexpmonth>" . $pdata["cardexpmonth"] . "</cardexpmonth>";

		if (isset($pdata["cardexpyear"]))
			$xml .= "<cardexpyear>" . $pdata["cardexpyear"] . "</cardexpyear>";

		if (isset($pdata["cvmvalue"]))
			$xml .= "<cvmvalue>" . $pdata["cvmvalue"] . "</cvmvalue>";

		if (isset($pdata["cvmindicator"]))
			$xml .= "<cvmindicator>" . $pdata["cvmindicator"] . "</cvmindicator>";

		if (isset($pdata["track"]))
			$xml .= "<track>" . $pdata["track"] . "</track>";

		$xml .= "</creditcard>";


		### BILLING NODE ###
		$xml .= "<billing>";

		if (isset($pdata["name"]))
			$xml .= "<name>" . $pdata["name"] . "</name>";

		if (isset($pdata["company"]))
			$xml .= "<company>" . $pdata["company"] . "</company>";

		if (isset($pdata["address1"]))
			$xml .= "<address1>" . $pdata["address1"] . "</address1>";
		elseif (isset($pdata["address"]))
			$xml .= "<address1>" . $pdata["address"] . "</address1>";

		if (isset($pdata["address2"]))
			$xml .= "<address2>" . $pdata["address2"] . "</address2>";

		if (isset($pdata["city"]))
			$xml .= "<city>" . $pdata["city"] . "</city>";
			
		if (isset($pdata["state"]))
			$xml .= "<state>" . $pdata["state"] . "</state>";
			
		if (isset($pdata["zip"]))
			$xml .= "<zip>" . $pdata["zip"] . "</zip>";

		if (isset($pdata["country"]))
			$xml .= "<country>" . $pdata["country"] . "</country>";

		if (isset($pdata["userid"]))
			$xml .= "<userid>" . $pdata["userid"] . "</userid>";

		if (isset($pdata["email"]))
			$xml .= "<email>" . $pdata["email"] . "</email>";

		if (isset($pdata["phone"]))
			$xml .= "<phone>" . $pdata["phone"] . "</phone>";

		if (isset($pdata["fax"]))
			$xml .= "<fax>" . $pdata["fax"] . "</fax>";

		if (isset($pdata["addrnum"]))
			$xml .= "<addrnum>" . $pdata["addrnum"] . "</addrnum>";

		$xml .= "</billing>";

		
		## SHIPPING NODE ##
		$xml .= "<shipping>";

		if (isset($pdata["sname"]))
			$xml .= "<name>" . $pdata["sname"] . "</name>";

		if (isset($pdata["saddress1"]))
			$xml .= "<address1>" . $pdata["saddress1"] . "</address1>";

		if (isset($pdata["saddress2"]))
			$xml .= "<address2>" . $pdata["saddress2"] . "</address2>";

		if (isset($pdata["scity"]))
			$xml .= "<city>" . $pdata["scity"] . "</city>";

		if (isset($pdata["sstate"]))
			$xml .= "<state>" . $pdata["sstate"] . "</state>";
		elseif (isset($pdata["state"]))
			$xml .= "<state>" . $pdata["sstate"] . "</state>";

		if (isset($pdata["szip"]))
			$xml .= "<zip>" . $pdata["szip"] . "</zip>";
		elseif (isset($pdata["sip"]))
			$xml .= "<zip>" . $pdata["zip"] . "</zip>";

		if (isset($pdata["scountry"]))
			$xml .= "<country>" . $pdata["scountry"] . "</country>";

		if (isset($pdata["scarrier"]))
			$xml .= "<carrier>" . $pdata["scarrier"] . "</carrier>";

		if (isset($pdata["sitems"]))
			$xml .= "<items>" . $pdata["sitems"] . "</items>";

		if (isset($pdata["sweight"]))
			$xml .= "<weight>" . $pdata["sweight"] . "</weight>";

		if (isset($pdata["stotal"]))
			$xml .= "<total>" . $pdata["stotal"] . "</total>";

		$xml .= "</shipping>";


		### TRANSACTIONDETAILS NODE ###
		$xml .= "<transactiondetails>";

		if (isset($pdata["oid"]))
			$xml .= "<oid>" . $pdata["oid"] . "</oid>";

		if (isset($pdata["ponumber"]))
			$xml .= "<ponumber>" . $pdata["ponumber"] . "</ponumber>";

		if (isset($pdata["recurring"]))
			$xml .= "<recurring>" . $pdata["recurring"] . "</recurring>";

		if (isset($pdata["taxexempt"]))
			$xml .= "<taxexempt>" . $pdata["taxexempt"] . "</taxexempt>";

		if (isset($pdata["terminaltype"]))
			$xml .= "<terminaltype>" . $pdata["terminaltype"] . "</terminaltype>";

		if (isset($pdata["ip"]))
			$xml .= "<ip>" . $pdata["ip"] . "</ip>";

		if (isset($pdata["reference_number"]))
			$xml .= "<reference_number>" . $pdata["reference_number"] . "</reference_number>";

		if (isset($pdata["transactionorigin"]))
			$xml .= "<transactionorigin>" . $pdata["transactionorigin"] . "</transactionorigin>";

		if (isset($pdata["tdate"]))
			$xml .= "<tdate>" . $pdata["tdate"] . "</tdate>";

		$xml .= "</transactiondetails>";


		### MERCHANTINFO NODE ###
		$xml .= "<merchantinfo>";

		if (isset($pdata["configfile"]))
			$xml .= "<configfile>" . $pdata["configfile"] . "</configfile>";

		if (isset($pdata["keyfile"]))
			$xml .= "<keyfile>" . $pdata["keyfile"] . "</keyfile>";

		if (isset($pdata["host"]))
			$xml .= "<host>" . $pdata["host"] . "</host>";

		if (isset($pdata["port"]))
			$xml .= "<port>" . $pdata["port"] . "</port>";

		if (isset($pdata["appname"]))
			$xml .= "<appname>" . $pdata["appname"] . "</appname>";

		$xml .= "</merchantinfo>";



		### PAYMENT NODE ###
		$xml .= "<payment>";

		if (isset($pdata["chargetotal"]))
			$xml .= "<chargetotal>" . $pdata["chargetotal"] . "</chargetotal>";

		if (isset($pdata["tax"]))
			$xml .= "<tax>" . $pdata["tax"] . "</tax>";

		if (isset($pdata["vattax"]))
			$xml .= "<vattax>" . $pdata["vattax"] . "</vattax>";

		if (isset($pdata["shipping"]))
			$xml .= "<shipping>" . $pdata["shipping"] . "</shipping>";

		if (isset($pdata["subtotal"]))
			$xml .= "<subtotal>" . $pdata["subtotal"] . "</subtotal>";

		$xml .= "</payment>";


		### CHECK NODE ### 


		if (isset($pdata["voidcheck"]))
		{
			$xml .= "<telecheck><void>1</void></telecheck>";
		}
		elseif (isset($pdata["routing"]))
		{
			$xml .= "<telecheck>";
			$xml .= "<routing>" . $pdata["routing"] . "</routing>";

			if (isset($pdata["account"]))
				$xml .= "<account>" . $pdata["account"] . "</account>";

			if (isset($pdata["bankname"]))
				$xml .= "<bankname>" . $pdata["bankname"] . "</bankname>";
	
			if (isset($pdata["bankstate"]))
				$xml .= "<bankstate>" . $pdata["bankstate"] . "</bankstate>";

			if (isset($pdata["ssn"]))
				$xml .= "<ssn>" . $pdata["ssn"] . "</ssn>";

			if (isset($pdata["dl"]))
				$xml .= "<dl>" . $pdata["dl"] . "</dl>";

			if (isset($pdata["dlstate"]))
				$xml .= "<dlstate>" . $pdata["dlstate"] . "</dlstate>";

			if (isset($pdata["checknumber"]))
				$xml .= "<checknumber>" . $pdata["checknumber"] . "</checknumber>";
				
			if (isset($pdata["accounttype"]))
				$xml .= "<accounttype>" . $pdata["accounttype"] . "</accounttype>";

			$xml .= "</telecheck>";
		}


		### PERIODIC NODE ###

		if (isset($pdata["startdate"]))
		{
			$xml .= "<periodic>";

			$xml .= "<startdate>" . $pdata["startdate"] . "</startdate>";

			if (isset($pdata["installments"]))
				$xml .= "<installments>" . $pdata["installments"] . "</installments>";

			if (isset($pdata["threshold"]))
						$xml .= "<threshold>" . $pdata["threshold"] . "</threshold>";

			if (isset($pdata["periodicity"]))
						$xml .= "<periodicity>" . $pdata["periodicity"] . "</periodicity>";

			if (isset($pdata["pbcomments"]))
						$xml .= "<comments>" . $pdata["pbcomments"] . "</comments>";

			if (isset($pdata["action"]))
				$xml .= "<action>" . $pdata["action"] . "</action>";

			$xml .= "</periodic>";
		}


		### NOTES NODE ###

		if (isset($pdata["comments"]) || isset($pdata["referred"]))
		{
			$xml .= "<notes>";

			if (isset($pdata["comments"]))
				$xml .= "<comments>" . $pdata["comments"] . "</comments>";

			if (isset($pdata["referred"]))
				$xml .= "<referred>" . $pdata["referred"] . "</referred>";

			$xml .= "</notes>";
		}

		### ITEMS AND OPTIONS NODES ###
	
		if ($this->debugging)	// make it easy to see
		{						// LSGS doesn't mind whitespace
			reset($pdata);

			while (list ($key, $val) = each ($pdata))
			{
				if (is_array($val))
				{
					$otag = 0;
					$ostag = 0;
					$items_array = $val;
					$xml .= "\n<items>\n";

					while(list($key1, $val1) = each ($items_array))
					{
						$xml .= "\t<item>\n";

						while (list($key2, $val2) = each ($val1))
						{
							if (!is_array($val2))
								$xml .= "\t\t<$key2>$val2</$key2>\n";

							else
							{
								if (!$ostag)
								{
									$xml .= "\t\t<options>\n";
									$ostag = 1;
								}

								$xml .= "\t\t\t<option>\n";
								$otag = 1;
								
								while (list($key3, $val3) = each ($val2))
									$xml .= "\t\t\t\t<$key3>$val3</$key3>\n";
							}

							if ($otag)
							{
								$xml .= "\t\t\t</option>\n";
								$otag = 0;
							}
						}

						if ($ostag)
						{
							$xml .= "\t\t</options>\n";
							$ostag = 0;
						}
					$xml .= "\t</item>\n";
					}
				$xml .= "</items>\n";
				}
			}
		}

		else // !debugging
		{
			while (list ($key, $val) = each ($pdata))
			{
				if (is_array($val))
				{
					$otag = 0;
					$ostag = 0;
					$items_array = $val;
					$xml .= "<items>";

					while(list($key1, $val1) = each ($items_array))
					{
						$xml .= "<item>";

						while (list($key2, $val2) = each ($val1))
						{
							if (!is_array($val2))
								$xml .= "<$key2>$val2</$key2>";

							else
							{
								if (!$ostag)
								{
									$xml .= "<options>";
									$ostag = 1;
								}

								$xml .= "<option>";
								$otag = 1;
								
								while (list($key3, $val3) = each ($val2))
									$xml .= "<$key3>$val3</$key3>";
							}

							if ($otag)
							{
								$xml .= "</option>";
								$otag = 0;
							}
						}

						if ($ostag)
						{
							$xml .= "</options>";
							$ostag = 0;
						}
					$xml .= "</item>";
					}
				$xml .= "</items>";
				}
			}
		}

		$xml .= "</order>";

		return $xml;
	}
}
?>