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testing IP exemption, handle corner cases found in testing

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El RIDO 2021-05-22 10:59:47 +02:00
parent 89f6f0051d
commit 3dd01b1f70
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6 changed files with 40 additions and 35 deletions
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2
composer.json
View File

@ -25,7 +25,7 @@
},
"require" : {
"php" : "^5.6.0 || ^7.0 || ^8.0",
"paragonie/random_compat" : "2.0.19",
"paragonie/random_compat" : "2.0.20",
"yzalis/identicon" : "2.0.0",
"mlocati/ip-lib" : "1.14.0"
},

12
composer.lock generated
View File

@ -4,7 +4,7 @@
"Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
"This file is @generated automatically"
],
"content-hash": "c3aa7487ba976536cd3db9a60473ce67",
"content-hash": "217f0ba9bdac1014a332a8ba390be949",
"packages": [
{
"name": "mlocati/ip-lib",
@ -76,16 +76,16 @@
},
{
"name": "paragonie/random_compat",
"version": "v2.0.19",
"version": "v2.0.20",
"source": {
"type": "git",
"url": "https://github.com/paragonie/random_compat.git",
"reference": "446fc9faa5c2a9ddf65eb7121c0af7e857295241"
"reference": "0f1f60250fccffeaf5dda91eea1c018aed1adc2a"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/paragonie/random_compat/zipball/446fc9faa5c2a9ddf65eb7121c0af7e857295241",
"reference": "446fc9faa5c2a9ddf65eb7121c0af7e857295241",
"url": "https://api.github.com/repos/paragonie/random_compat/zipball/0f1f60250fccffeaf5dda91eea1c018aed1adc2a",
"reference": "0f1f60250fccffeaf5dda91eea1c018aed1adc2a",
"shasum": ""
},
"require": {
@ -121,7 +121,7 @@
"pseudorandom",
"random"
],
"time": "2020-10-15T10:06:57+00:00"
"time": "2021-04-17T09:33:01+00:00"
},
{
"name": "yzalis/identicon",

13
lib/Persistence/TrafficLimiter.php
View File

@ -121,19 +121,22 @@ class TrafficLimiter extends AbstractPersistence
$address = \IPLib\Factory::addressFromString($_SERVER[self::$_ipKey]);
$range = \IPLib\Factory::rangeFromString(trim($ipRange));
// If $range is null something went wrong (possible invalid ip given in config). It's here becaue matches($range) does not accepts null vallue
// address could not be parsed, we might not be in IP space and try a string comparison instead
if ($address == null) {
return $_SERVER[self::$_ipKey] === $ipRange;
}
// range could not be parsed, possibly an invalid ip range given in config
if ($range == null) {
return false;
}
// Ip-lib does throws and exception when something goes wrong, if so we want to catch it and set contained to false
// Ip-lib throws an exception when something goes wrong, if so we want to catch it and set contained to false
try {
return $address->matches($range);
} catch (\Exception $e) {
// If something is wrong with matching the ip, we do nothing
// If something is wrong with matching the ip, we assume it doesn't match
return false;
}
return false;
}
/**

15
tst/Persistence/TrafficLimiterTest.php
View File

@ -35,5 +35,20 @@ class TrafficLimiterTest extends PHPUnit_Framework_TestCase
$this->assertTrue(TrafficLimiter::canPass(), 'fourth request has different ip and may pass');
$_SERVER['REMOTE_ADDR'] = '127.0.0.1';
$this->assertFalse(TrafficLimiter::canPass(), 'fifth request is to fast, may not pass');
// exempted IPs configuration
TrafficLimiter::setExemptedIp('1.2.3.4,10.10.10.0/24,2001:1620:2057::/48');
$this->assertFalse(TrafficLimiter::canPass(), 'still too fast and not exempted');
$_SERVER['REMOTE_ADDR'] = '10.10.10.10';
$this->assertTrue(TrafficLimiter::canPass(), 'IPv4 in exempted range');
$this->assertTrue(TrafficLimiter::canPass(), 'request is to fast, but IPv4 in exempted range');
$_SERVER['REMOTE_ADDR'] = '2001:1620:2057:dead:beef::cafe:babe';
$this->assertTrue(TrafficLimiter::canPass(), 'IPv6 in exempted range');
$this->assertTrue(TrafficLimiter::canPass(), 'request is to fast, but IPv6 in exempted range');
TrafficLimiter::setExemptedIp('127.*,foobar');
$this->assertFalse(TrafficLimiter::canPass(), 'request is to fast, invalid range');
$_SERVER['REMOTE_ADDR'] = 'foobar';
$this->assertTrue(TrafficLimiter::canPass(), 'non-IP address');
$this->assertTrue(TrafficLimiter::canPass(), 'request is to fast, but non-IP address matches exempted range');
}
}

19
vendor/paragonie/random_compat/lib/random.php vendored
View File

@ -54,9 +54,9 @@ if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
$RandomCompatDIR = dirname(__FILE__);
require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'byte_safe_strings.php';
require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'cast_to_int.php';
require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'error_polyfill.php';
require_once $RandomCompatDIR.DIRECTORY_SEPARATOR.'byte_safe_strings.php';
require_once $RandomCompatDIR.DIRECTORY_SEPARATOR.'cast_to_int.php';
require_once $RandomCompatDIR.DIRECTORY_SEPARATOR.'error_polyfill.php';
if (!is_callable('random_bytes')) {
/**
@ -76,9 +76,9 @@ if (!is_callable('random_bytes')) {
if (extension_loaded('libsodium')) {
// See random_bytes_libsodium.php
if (PHP_VERSION_ID >= 50300 && is_callable('\\Sodium\\randombytes_buf')) {
require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_bytes_libsodium.php';
require_once $RandomCompatDIR.DIRECTORY_SEPARATOR.'random_bytes_libsodium.php';
} elseif (method_exists('Sodium', 'randombytes_buf')) {
require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_bytes_libsodium_legacy.php';
require_once $RandomCompatDIR.DIRECTORY_SEPARATOR.'random_bytes_libsodium_legacy.php';
}
}
@ -117,7 +117,7 @@ if (!is_callable('random_bytes')) {
// place, that is not helpful to us here.
// See random_bytes_dev_urandom.php
require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_bytes_dev_urandom.php';
require_once $RandomCompatDIR.DIRECTORY_SEPARATOR.'random_bytes_dev_urandom.php';
}
// Unset variables after use
$RandomCompat_basedir = null;
@ -159,7 +159,7 @@ if (!is_callable('random_bytes')) {
extension_loaded('mcrypt')
) {
// See random_bytes_mcrypt.php
require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_bytes_mcrypt.php';
require_once $RandomCompatDIR.DIRECTORY_SEPARATOR.'random_bytes_mcrypt.php';
}
$RandomCompatUrandom = null;
@ -182,9 +182,10 @@ if (!is_callable('random_bytes')) {
if (!in_array('com', $RandomCompat_disabled_classes)) {
try {
$RandomCompatCOMtest = new COM('CAPICOM.Utilities.1');
/** @psalm-suppress TypeDoesNotContainType */
if (method_exists($RandomCompatCOMtest, 'GetRandom')) {
// See random_bytes_com_dotnet.php
require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_bytes_com_dotnet.php';
require_once $RandomCompatDIR.DIRECTORY_SEPARATOR.'random_bytes_com_dotnet.php';
}
} catch (com_exception $e) {
// Don't try to use it.
@ -219,7 +220,7 @@ if (!is_callable('random_bytes')) {
}
if (!is_callable('random_int')) {
require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_int.php';
require_once $RandomCompatDIR.DIRECTORY_SEPARATOR.'random_int.php';
}
$RandomCompatDIR = null;

14
vendor/paragonie/random_compat/phpunit-autoload.php vendored
View File

@ -1,14 +0,0 @@
<?php
require_once __DIR__ . '/psalm-autoload.php';
/**
* This is necessary for PHPUnit on PHP >= 5.3
*
* Class PHPUnit_Framework_TestCase
*/
if (PHP_VERSION_ID >= 50300) {
if (!class_exists('PHPUnit_Framework_TestCase')) {
require_once __DIR__ . '/other/phpunit-shim.php';
}
}