wp-optimize / vendor / rosell-dk / htaccess-capability-tester / src / Testers / PassInfoFromRewriteToScriptThroughEnvTester.php

PassInfoFromRewriteToScriptThroughEnvTester.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.2.5, at vendor/rosell-dk/htaccess-capability-tester/src/Testers/PassInfoFromRewriteToScriptThroughEnvTester.php

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1	<?php
2
3	namespace HtaccessCapabilityTester\Testers;
4
5	/**
6	* Class for testing if an environment variable can be set in a rewrite rule and received in PHP.
7	*
8	* @package HtaccessCapabilityTester
9	* @author Bjørn Rosell <[email protected]>
10	* @since Class available since 0.7
11	*/
12	class PassInfoFromRewriteToScriptThroughEnvTester extends CustomTester
13	{
14
15	/**
16	* Constructor.
17	*
18	* @return void
19	*/
20	public function __construct()
21	{
22	$htaccessFile = <<<'EOD'
23	<IfModule mod_rewrite.c>
24
25	# Testing if we can pass environment variable from .htaccess to script in a RewriteRule
26	# We pass document root, because that can easily be checked by the script
27
28	RewriteEngine On
29	RewriteRule ^test\.php$ - [E=PASSTHROUGHENV:%{DOCUMENT_ROOT},L]
30
31	</IfModule>
32	EOD;
33
34	$phpFile = <<<'EOD'
35	<?php
36
37	/**
38	* Get environment variable set with mod_rewrite module
39	* Return false if the environment variable isn't found
40	*/
41	function getEnvPassedInRewriteRule($envName) {
42	// Environment variables passed through the REWRITE module have "REWRITE_" as a prefix
43	// (in Apache, not Litespeed, if I recall correctly).
44	// Multiple iterations causes multiple REWRITE_ prefixes, and we get many environment variables set.
45	// We simply look for an environment variable that ends with what we are looking for.
46	// (so make sure to make it unique)
47	$len = strlen($envName);
48	foreach ($_SERVER as $key => $item) {
49	if (substr($key, -$len) == $envName) {
50	return $item;
51	}
52	}
53	return false;
54	}
55
56	$result = getEnvPassedInRewriteRule('PASSTHROUGHENV');
57	if ($result === false) {
58	echo '0';
59	exit;
60	}
61	echo ($result == $_SERVER['DOCUMENT_ROOT'] ? '1' : '0');
62	EOD;
63
64	$test = [
65	'subdir' => 'pass-info-from-rewrite-to-script-through-env',
66	'files' => [
67	['.htaccess', $htaccessFile],
68	['test.php', $phpFile],
69	],
70	'request' => 'test.php',
71	'interpretation' => [
72	['success', 'body', 'equals', '1'],
73	['failure', 'body', 'equals', '0'],
74	['inconclusive', 'body', 'begins-with', '<' . '?php'],
75	['inconclusive']
76	]
77	];
78
79	parent::__construct($test);
80	}
81	}
82