Make it possible to exempt ips from the rate-limiter
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LinQhost Managed hosting
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commit
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@ -135,6 +135,10 @@ markdown = "Markdown"
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; Set this to 0 to disable rate limiting.
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limit = 10
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; Set ips (v4|v6) which should be exempted for the rate-limit. CIDR also supported. Needed to be comma separated.
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; Unset for enabling and invalid values will be ignored
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; eg: exemptedIp = '1.2.3.4,10.10.10/24'
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; (optional) if your website runs behind a reverse proxy or load balancer,
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; set the HTTP header containing the visitors IP address, i.e. X_FORWARDED_FOR
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; header = "X_FORWARDED_FOR"
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@ -26,7 +26,8 @@
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"require" : {
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"php" : "^5.6.0 || ^7.0 || ^8.0",
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"paragonie/random_compat" : "2.0.19",
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"yzalis/identicon" : "2.0.0"
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"yzalis/identicon" : "2.0.0",
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"mlocati/ip-lib": "^1.14"
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},
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"require-dev" : {
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"phpunit/phpunit" : "^4.6 || ^5.0"
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@ -39,4 +40,4 @@
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"config" : {
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"autoloader-suffix" : "DontChange"
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}
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}
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}
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70
composer.lock
generated
70
composer.lock
generated
@ -4,8 +4,76 @@
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"Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
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"This file is @generated automatically"
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],
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"content-hash": "9d110873bf15a6abd66734e8a818134c",
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"content-hash": "8138b0e4bb3fcaab9ca4c02bbe35d891",
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"packages": [
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{
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"name": "mlocati/ip-lib",
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"version": "1.14.0",
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"source": {
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"type": "git",
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"url": "https://github.com/mlocati/ip-lib.git",
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"reference": "882bc0e115970a536b13bcfa59f312783fce08c8"
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},
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"dist": {
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"type": "zip",
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"url": "https://api.github.com/repos/mlocati/ip-lib/zipball/882bc0e115970a536b13bcfa59f312783fce08c8",
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"reference": "882bc0e115970a536b13bcfa59f312783fce08c8",
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"shasum": ""
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},
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"require": {
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"php": ">=5.3.3"
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},
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"require-dev": {
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"ext-pdo_sqlite": "*",
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"phpunit/dbunit": "^1.4 || ^2 || ^3 || ^4",
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"phpunit/phpunit": "^4.8 || ^5.7 || ^6.5"
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},
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"type": "library",
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"autoload": {
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"psr-4": {
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"IPLib\\": "src/"
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}
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},
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"notification-url": "https://packagist.org/downloads/",
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"license": [
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"MIT"
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],
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"authors": [
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{
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"name": "Michele Locati",
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"email": "mlocati@gmail.com",
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"homepage": "https://github.com/mlocati",
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"role": "Author"
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}
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],
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"description": "Handle IPv4, IPv6 addresses and ranges",
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"homepage": "https://github.com/mlocati/ip-lib",
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"keywords": [
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"IP",
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"address",
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"addresses",
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"ipv4",
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"ipv6",
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"manage",
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"managing",
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"matching",
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"network",
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"networking",
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"range",
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"subnet"
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],
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"funding": [
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{
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"url": "https://github.com/sponsors/mlocati",
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"type": "github"
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},
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{
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"url": "https://paypal.me/mlocati",
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"type": "other"
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}
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],
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"time": "2020-12-31T11:30:02+00:00"
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},
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{
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"name": "paragonie/random_compat",
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"version": "v2.0.19",
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@ -82,6 +82,7 @@ class Configuration
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'limit' => 10,
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'header' => null,
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'dir' => 'data',
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'exemptedIp' => null,
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),
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'purge' => array(
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'limit' => 300,
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@ -1,4 +1,5 @@
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<?php
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/**
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* PrivateBin
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*
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@ -29,6 +30,15 @@ class TrafficLimiter extends AbstractPersistence
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* @var int
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*/
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private static $_limit = 10;
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/**
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* listed ips are exempted from limits, defaults to null
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*
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* @access private
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* @static
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* @var array
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*/
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private static $_exemptedIp = null;
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/**
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* key to fetch IP address
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@ -51,6 +61,18 @@ class TrafficLimiter extends AbstractPersistence
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self::$_limit = $limit;
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}
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/**
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* set a list of ip(ranges) as array
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*
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* @access public
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* @static
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* @param array $exemptedIps
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*/
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public static function setExemptedIp($exemptedIp)
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{
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self::$_exemptedIp = $exemptedIp;
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}
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/**
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* set configuration options of the traffic limiter
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*
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@ -60,8 +82,11 @@ class TrafficLimiter extends AbstractPersistence
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*/
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public static function setConfiguration(Configuration $conf)
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{
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self::setLimit($conf->getKey('limit', 'traffic'));
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self::setPath($conf->getKey('dir', 'traffic'));
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self::setExemptedIp($conf->getKey('exemptedIp', 'traffic'));
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if (($option = $conf->getKey('header', 'traffic')) !== null) {
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$httpHeader = 'HTTP_' . $option;
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if (array_key_exists($httpHeader, $_SERVER) && !empty($_SERVER[$httpHeader])) {
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@ -99,6 +124,32 @@ class TrafficLimiter extends AbstractPersistence
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if (self::$_limit < 1) {
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return true;
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}
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// Check if $_ipKey is exempted from ratelimiting
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if (!is_null(self::$_exemptedIp)) {
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$exIp_array = explode(",", self::$_exemptedIp);
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foreach ($exIp_array as $ipRange) {
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// Match $_ipKey to $ipRange and if it matches it will return with a true
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$address = \IPLib\Factory::addressFromString($_SERVER[self::$_ipKey]);
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$range = \IPLib\Factory::rangeFromString(trim($ipRange));
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// If $range is null something went wrong (possible invalid ip given in config)
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if ($range == null) {
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$contained = false;
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} else {
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// Ip-lib does throws and exception when something goes wrong, if so we want to catch it and set contained to false
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try {
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$contained = $address->matches($range);
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} catch (Exception $e) {
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// If something is wrong with matching the ip, we set $contained to false
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$contained = false;
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}
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}
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// Matches return true!
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if ($contained == true) {
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return true;
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}
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}
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}
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$file = 'traffic_limiter.php';
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if (self::_exists($file)) {
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