Added full source code

scripts/game/main/paypal/library.inc

@@ -0,0 +1,147 @@
+<?php
+
+class main_paypal_library {
+	var $index	= array();
+
+	function __construct($lib) {
+		$this->lib	= $lib;
+		$this->db	= $this->lib->game->db;
+	}
+
+
+	function newTicket($account) {
+		$this->db->query("DELETE FROM pp_ticket WHERE UNIX_TIMESTAMP(NOW())-created>2592000");
+
+		do {
+			$v = md5(uniqid(rand()));
+			$q  = "SELECT * FROM pp_ticket WHERE md5_id='$v'";
+			$qr = $this->db->query($q);
+		} while ($qr && dbCount($qr));
+
+		if (is_null($qr)) {
+			return null;
+		}
+
+		$this->db->query("INSERT INTO pp_ticket(account,md5_id) VALUES($account,'$v')");
+		return $v;
+	}
+
+
+	function getUserContributions($account) {
+		$q = $this->db->query("SELECT SUM(amount) FROM pp_history WHERE account=$account");
+		if (!($q && dbCount($q))) {
+			return 0;
+		}
+		list($amount) = dbFetchArray($q);
+		return $amount;
+	}
+
+
+	function getTotalContributions() {
+		$q = $this->db->query("SELECT SUM(amount) FROM pp_history");
+		if (!($q && dbCount($q))) {
+			return 0;
+		}
+		list($amount) = dbFetchArray($q);
+		return $amount;
+	}
+
+
+	function getMonthContributions() {
+		$q = $this->db->query("SELECT SUM(amount) FROM pp_history WHERE donated>UNIX_TIMESTAMP(NOW())-2592000");
+		if (!($q && dbCount($q))) {
+			return 0;
+		}
+		list($amount) = dbFetchArray($q);
+		return $amount;
+	}
+
+
+	function getUserHistory($account) {
+		$q = $this->db->query("SELECT donated,amount FROM pp_history WHERE account=$account ORDER BY donated DESC");
+		if (!($q && dbCount($q))) {
+			return array();
+		}
+
+		$res = array();
+		while ($r = dbFetchArray($q)) {
+			array_push($res, array(
+				"time"		=> strftime("%Y-%m-%d %H:%M:%S", $r[0]),
+				"amount"	=> number_format($r[1])
+			));
+		}
+
+		return $res;
+	}
+
+
+	function checkIPN() {
+		// Generate the verification request
+		$ra = array();
+		foreach ($_POST as $key => $value) {
+			$value = urlencode(stripslashes($value));
+			array_push($ra, "$key=$value");
+		}
+		$req = join('&', $ra);
+
+		// Connect to the PayPal server
+		$curl = curl_init("http://www.paypal.com/cgi-bin/webscr?cmd=_notify%2dvalidate&$req");
+		curl_setopt($curl, CURLOPT_HEADER, 0);
+		curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
+		curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+		$rv = curl_exec($curl);
+		logText("PAYPAL: CURL request returned '$rv'", LOG_DEBUG);
+
+		if (preg_match("/VERIFIED/", $rv)) {
+			$handled = true;
+			$ok = true;
+		} elseif (preg_match("/INVALID/", $rv)) {
+			$handled = true;
+			$ok = false;
+		} else {
+			logText("PAYPAL: remote server didn't return VERIFIED or INVALID while checking IPN!", LOG_ERR);
+			logText("PAYPAL: item number was '{$_POST['item_number']}'", LOG_INFO);
+			return false;
+		}
+
+		if (!$ok) {
+			logText("PAYPAL: remote server returned INVALID while checking IPN!", LOG_ERR);
+			logText("PAYPAL: item number was '{$_POST['item_number']}'", LOG_INFO);
+		}
+		return $ok;
+	}
+
+
+	function logIPN($input) {
+		$fields = array(
+			"receiver_email", "item_number", "payment_status", "pending_reason", "payment_date", "mc_gross",
+			"mc_fee", "tax", "mc_currency", "txn_id", "txn_type", "payer_email", "payer_status", "payment_type",
+			"verify_sign", "referrer_id"
+		);
+
+		$q1 = "INSERT INTO pp_ipn(received";
+		$q2 = ") VALUES (" . time();
+		foreach ($fields as $f) {
+			$q1 .= ",$f";
+			$q2 .= ",'" . addslashes($input[$f]) . "'";
+		}
+
+		return $this->db->query("$q1$q2)");
+	}
+
+
+	function addDonation($ticket, $amount) {
+		$q = $this->db->query("SELECT account FROM pp_ticket WHERE md5_id='" . addslashes($ticket) . "'");
+		if (!($q || dbCount($q))) {
+			logText("PAYPAL: couldn't find account number for ticket $ticket", LOG_ERR);
+			return;
+		}
+		list($account) = dbFetchArray($q);
+
+		$this->db->query("DELETE FROM pp_ticket WHERE md5_id='" . addslashes($ticket) . "'");
+		$this->db->query("INSERT INTO pp_history VALUES($account," . time() . ",$amount)");
+		$this->db->query("UPDATE credits SET credits_obtained = credits_obtained + " . round(10000 * $amount) . " WHERE account = $account");
+	}
+}
+
+?>