gravityforms-eway / includes / functions.php

functions.php in Gravity Forms Eway 2.4.1, at includes/functions.php

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1	<?php
2	namespace webaware\gfeway;
3
4	use \GFCommon;
5	use \GFEwayException;
6	use \GFEwayCurlException;
7
8	if (!defined('ABSPATH')) {
9	exit;
10	}
11
12	/**
13	* compare Gravity Forms version against target
14	* @param string $target
15	* @param string $operator
16	* @return bool
17	*/
18	function gform_version_compare($target, $operator) {
19	if (class_exists('GFCommon', false)) {
20	return version_compare(GFCommon::$version, $target, $operator);
21	}
22
23	return false;
24	}
25
26	/**
27	* test whether the minimum required Gravity Forms is installed / activated
28	* @return bool
29	*/
30	function has_required_gravityforms() {
31	return gform_version_compare(GFEWAY_MIN_VERSION_GF, '>=');
32	}
33
34	/**
35	* get the customer's IP address dynamically from server variables
36	* @param bool $is_test_site
37	* @return string
38	*/
39	function get_customer_IP($is_test_site) {
40	$ip = '';
41
42	if (!empty($_SERVER['HTTP_X_REAL_IP'])) {
43	$ip = is_IP_address($_SERVER['HTTP_X_REAL_IP']) ? $_SERVER['HTTP_X_REAL_IP'] : '';
44	}
45
46	elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
47	$proxies = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
48	$ip = trim(current($proxies));
49	$ip = is_IP_address($ip) ? $ip : '';
50	}
51
52	elseif (!empty($_SERVER['REMOTE_ADDR'])) {
53	$ip = is_IP_address($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';
54	}
55
56	// if test mode and running on localhost, then kludge to an Aussie IP address
57	if ($ip === '127.0.0.1' && $is_test_site) {
58	$ip = '103.29.100.101';
59	}
60
61	// allow hookers to override for network-specific fixes
62	$ip = apply_filters('gfeway_customer_ip', $ip);
63
64	return $ip;
65	}
66
67	/**
68	* check whether a given string is an IP address
69	* @param string $maybeIP
70	* @return bool
71	*/
72	function is_IP_address($maybeIP) {
73	// check for IPv4 and IPv6 addresses
74	return !!inet_pton($maybeIP);
75	}
76
77	/**
78	* send data via HTTP and return response
79	* @deprecated only used now for legacy Direct API and its friends
80	* @param string $url
81	* @param string $data
82	* @param bool $sslVerifyPeer whether to validate the SSL certificate
83	* @return string $response
84	* @throws GFEwayCurlException
85	*/
86	function send_xml_request($url, $data, $sslVerifyPeer = true) {
87	// send data via HTTPS and receive response
88	$response = wp_remote_post($url, [
89	'user-agent' => 'Gravity Forms Eway ' . GFEWAY_PLUGIN_VERSION,
90	'sslverify' => $sslVerifyPeer,
91	'timeout' => 60,
92	'headers' => ['Content-Type' => 'text/xml; charset=utf-8'],
93	'body' => $data,
94	]);
95
96	// failure to handle the http request
97	if (is_wp_error($response)) {
98	throw new GFEwayCurlException($response->get_error_message());
99	}
100
101	// error code returned by request
102	$code = wp_remote_retrieve_response_code($response);
103	if ($code !== 200) {
104	$msg = wp_remote_retrieve_response_message($response);
105
106	if (empty($msg)) {
107	$msg = sprintf(__('Error posting Eway request: %s', 'gravityforms-eway'), $code);
108	}
109	else {
110	$msg = sprintf(__('Error posting Eway request: %1$s, %2$s', 'gravityforms-eway'), $code, $msg);
111	}
112	throw new GFEwayException($msg);
113	}
114
115	return wp_remote_retrieve_body($response);
116	}
117