Stefan Kalscheuer
8267e408f0
Use ? instead of {0,1} and {3} instead of {3,3} where applicable.
Number groups [ß-9] are left as is for readability, i.e. prefer
[1-9][0-9] over [1-9]\d.
The whole expression is evaluated case-insensitive now, so we can omit
the "a-fA-F" and simply use "a-f".
Unit-tests extended accordingly.
616 lines
18 KiB
PHP
616 lines
18 KiB
PHP
<?php
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/**
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* Statify Filter: Unit Test
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*
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* This is a PHPunit test class for the plugin's functionality
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*
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* @package Statify_Blacklist
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* @since 1.3.0
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*/
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/**
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* Class StatifyBlacklistTest.
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*
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* PHPUnit test class for StatifyBlacklist.
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*
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* @since 1.3.0
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*/
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class StatifyBlacklist_Test extends PHPUnit\Framework\TestCase {
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/**
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* Test simple referer filter.
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*
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* @return void
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*/
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public function test_referer_filter() {
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// Prepare Options: 2 filtered domains, disabled.
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StatifyBlacklist::$options = array(
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'referer' => array(
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'active' => 0,
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'cron' => 0,
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'regexp' => 0,
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'blacklist' => array(
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'example.com' => 0,
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'example.net' => 1,
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),
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),
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'target' => array(
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'active' => 0,
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'cron' => 0,
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'regexp' => 0,
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'blacklist' => array(),
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),
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'ip' => array(
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'active' => 0,
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'blacklist' => array(),
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),
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'ua' => array(
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'active' => 0,
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'regexp' => StatifyBlacklist::MODE_NORMAL,
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'blacklist' => array(),
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),
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'version' => StatifyBlacklist::VERSION_MAIN,
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);
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// No multisite.
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StatifyBlacklist::$multisite = false;
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// No referer.
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unset( $_SERVER['HTTP_REFERER'] );
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Non-filtered referer.
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$_SERVER['HTTP_REFERER'] = 'http://example.org';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Filtered referer.
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$_SERVER['HTTP_REFERER'] = 'http://example.com';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Filtered referer with path.
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$_SERVER['HTTP_REFERER'] = 'http://example.net/foo/bar.html';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Activate filter and run tests again.
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StatifyBlacklist::$options['referer']['active'] = 1;
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unset( $_SERVER['HTTP_REFERER'] );
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['HTTP_REFERER'] = 'http://example.org';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['HTTP_REFERER'] = 'http://example.com';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['HTTP_REFERER'] = 'http://example.net/foo/bar.html';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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}
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/**
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* Test referer filter using regular expressions.
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*
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* @return void
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*/
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public function test_referer_regex_filter() {
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// Prepare Options: 2 regular expressions.
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StatifyBlacklist::$options = array(
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'referer' => array(
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'active' => 1,
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'cron' => 0,
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'regexp' => 1,
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'blacklist' => array(
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'example.[a-z]+' => 0,
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'test' => 1,
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),
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),
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'target' => array(
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'active' => 0,
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'cron' => 0,
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'regexp' => 0,
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'blacklist' => array(),
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),
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'ip' => array(
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'active' => 0,
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'blacklist' => array(),
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),
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'ua' => array(
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'active' => 0,
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'regexp' => StatifyBlacklist::MODE_NORMAL,
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'blacklist' => array(),
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),
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'version' => StatifyBlacklist::VERSION_MAIN,
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);
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// No multisite.
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StatifyBlacklist::$multisite = false;
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// No referer.
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unset( $_SERVER['HTTP_REFERER'] );
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Non-filtered referer.
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$_SERVER['HTTP_REFERER'] = 'http://not.evil';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Filtered referer.
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$_SERVER['HTTP_REFERER'] = 'http://example.com';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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// Filtered referer with path.
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$_SERVER['HTTP_REFERER'] = 'http://foobar.net/test/me';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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// Matching both.
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$_SERVER['HTTP_REFERER'] = 'http://example.net/test/me';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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// Matching with wrong case.
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$_SERVER['HTTP_REFERER'] = 'http://eXaMpLe.NeT/tEsT/mE';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Set RegExp filter to case insensitive.
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StatifyBlacklist::$options['referer']['regexp'] = 2;
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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}
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/**
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* Test referer filter using keywords.
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*
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* @return void
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*/
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public function test_referer_keyword_filter() {
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// Prepare Options: 2 regular expressions.
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StatifyBlacklist::$options = array(
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'referer' => array(
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'active' => 1,
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'cron' => 0,
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'regexp' => StatifyBlacklist::MODE_KEYWORD,
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'blacklist' => array(
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'example' => 0,
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'test' => 1,
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),
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),
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'target' => array(
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'active' => 0,
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'cron' => 0,
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'regexp' => StatifyBlacklist::MODE_NORMAL,
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'blacklist' => array(),
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),
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'ip' => array(
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'active' => 0,
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'blacklist' => array(),
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),
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'ua' => array(
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'active' => 0,
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'regexp' => StatifyBlacklist::MODE_NORMAL,
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'blacklist' => array(),
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),
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'version' => StatifyBlacklist::VERSION_MAIN,
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);
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// No multisite.
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StatifyBlacklist::$multisite = false;
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// No referer.
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unset( $_SERVER['HTTP_REFERER'] );
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Non-filtered referer.
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$_SERVER['HTTP_REFERER'] = 'http://not.evil';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Filtered referer.
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$_SERVER['HTTP_REFERER'] = 'http://example.com';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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// Filtered referer with path.
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$_SERVER['HTTP_REFERER'] = 'http://foobar.net/test/me';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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// Matching both.
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$_SERVER['HTTP_REFERER'] = 'http://example.net/test/me';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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// Matching with wrong case.
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$_SERVER['HTTP_REFERER'] = 'http://eXaMpLe.NeT/tEsT/mE';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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}
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/**
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* Test CIDR address matching for IP filter (#7).
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*
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* @return void
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*/
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public function test_cidr_match() {
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// IPv4 tests.
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$this->assertTrue( invoke_static( StatifyBlacklist::class, 'cidr_match', array( '127.0.0.1', '127.0.0.1' ) ) );
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$this->assertTrue( invoke_static( StatifyBlacklist::class, 'cidr_match', array( '127.0.0.1', '127.0.0.1/32' ) ) );
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$this->assertFalse(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '127.0.0.1', '127.0.0.1/33' )
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)
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);
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$this->assertFalse(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '127.0.0.1', '127.0.0.1/-1' )
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)
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);
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$this->assertTrue(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '192.0.2.123', '192.0.2.0/24' )
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)
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);
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$this->assertFalse(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '192.0.3.123', '192.0.2.0/24' )
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)
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);
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$this->assertTrue(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '192.0.2.123', '192.0.2.120/29' )
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)
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);
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$this->assertFalse(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '192.0.2.128', '192.0.2.120/29' )
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)
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);
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$this->assertTrue( invoke_static( StatifyBlacklist::class, 'cidr_match', array( '10.11.12.13', '10.0.0.0/8' ) ) );
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$this->assertFalse(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '10.11.12.345', '10.0.0.0/8' )
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)
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);
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// IPv6 tests.
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$this->assertTrue( invoke_static( StatifyBlacklist::class, 'cidr_match', array( '::1', '::1' ) ) );
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$this->assertTrue( invoke_static( StatifyBlacklist::class, 'cidr_match', array( '::1', '::1/128' ) ) );
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$this->assertFalse( invoke_static( StatifyBlacklist::class, 'cidr_match', array( '::1', '::1/129' ) ) );
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$this->assertFalse( invoke_static( StatifyBlacklist::class, 'cidr_match', array( '::1', '::1/-1' ) ) );
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$this->assertTrue(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '2001:db8:a0b:12f0:1:2:3:4', '2001:db8:a0b:12f0::1/64 ' )
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)
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);
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$this->assertTrue(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '2001:db8:a0b:12f0::123:456', '2001:db8:a0b:12f0::1/96 ' )
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)
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);
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$this->assertTrue(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '2001:DB8:A0B:12F0::123:456', '2001:db8:a0b:12f0::1/96 ' )
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)
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);
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$this->assertTrue(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '2001:db8:a0b:12f0::123:456', '2001:DB8:A0B:12F0::1/96 ' )
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)
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);
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$this->assertFalse(
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invoke_static(
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StatifyBlacklist::class,
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'cidr_match',
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array( '2001:db8:a0b:12f0::1:132:465', '2001:db8:a0b:12f0::1/96 ' )
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)
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);
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}
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/**
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* Test IP filter (#7).
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*
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* @return void
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*/
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public function test_ip_filter() {
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// Prepare Options: 2 filtered IPs, disabled.
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StatifyBlacklist::$options = array(
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'referer' => array(
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'active' => 0,
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'cron' => 0,
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'regexp' => StatifyBlacklist::MODE_NORMAL,
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'blacklist' => array(),
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),
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'target' => array(
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'active' => 0,
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'cron' => 0,
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'regexp' => StatifyBlacklist::MODE_NORMAL,
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'blacklist' => array(),
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),
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'ip' => array(
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'active' => 0,
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'blacklist' => array(
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'192.0.2.123',
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'2001:db8:a0b:12f0::1',
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),
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),
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'ua' => array(
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'active' => 0,
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'regexp' => StatifyBlacklist::MODE_NORMAL,
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'blacklist' => array(),
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),
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'version' => StatifyBlacklist::VERSION_MAIN,
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);
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// No multisite.
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StatifyBlacklist::$multisite = false;
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// Set matching IP.
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$_SERVER['REMOTE_ADDR'] = '192.0.2.123';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Activate filter.
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StatifyBlacklist::$options['ip']['active'] = 1;
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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// Try matching v6 address.
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$_SERVER['REMOTE_ADDR'] = '2001:db8:a0b:12f0::1';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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// Non-matching addresses.
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$_SERVER['REMOTE_ADDR'] = '192.0.2.234';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REMOTE_ADDR'] = '2001:db8:a0b:12f0::2';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Subnet matching.
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StatifyBlacklist::$options['ip']['blacklist'] = array(
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'192.0.2.0/25',
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'2001:db8:a0b:12f0::/96',
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);
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$_SERVER['REMOTE_ADDR'] = '192.0.2.123';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REMOTE_ADDR'] = '192.0.2.234';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REMOTE_ADDR'] = '2001:db8:a0b:12f0::5';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REMOTE_ADDR'] = '2001:db8:a0b:12f0:0:1111::1';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Filter using proxy header.
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$_SERVER['REMOTE_ADDR'] = '127.0.0.1';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['HTTP_X_FORWARDED_FOR'] = '192.0.2.123';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['HTTP_X_REAL_IP'] = '2001:db8:a0b:12f0:0:1111::1';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['HTTP_X_REAL_IP'] = '2001:db8:a0b:12f0:0::1';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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}
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/**
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* Test simple target filter.
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*
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* @return void
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*/
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public function test_target_filter() {
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// Prepare Options: 2 filtered domains, disabled.
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StatifyBlacklist::$options = array(
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'referer' => array(
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'active' => 0,
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'cron' => 0,
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'regexp' => StatifyBlacklist::MODE_NORMAL,
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'blacklist' => array(),
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),
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'target' => array(
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'active' => 0,
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'cron' => 0,
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'regexp' => StatifyBlacklist::MODE_NORMAL,
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'blacklist' => array(
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'/excluded/page/' => 0,
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'/?page_id=3' => 1,
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),
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),
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'ip' => array(
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'active' => 0,
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'blacklist' => array(),
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),
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'ua' => array(
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'active' => 0,
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'regexp' => StatifyBlacklist::MODE_NORMAL,
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'blacklist' => array(),
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),
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'version' => StatifyBlacklist::VERSION_MAIN,
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);
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// No multisite.
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StatifyBlacklist::$multisite = false;
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// Empty target.
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unset( $_SERVER['REQUEST_URI'] );
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Non-filtered targets.
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$_SERVER['REQUEST_URI'] = '';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REQUEST_URI'] = '/';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REQUEST_URI'] = '/?page_id=1';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Filtered referer.
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$_SERVER['REQUEST_URI'] = '/excluded/page/';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REQUEST_URI'] = '/?page_id=3';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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// Activate filter and run tests again.
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StatifyBlacklist::$options['target']['active'] = 1;
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unset( $_SERVER['REQUEST_URI'] );
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REQUEST_URI'] = '';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REQUEST_URI'] = '/';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REQUEST_URI'] = '/?page_id=1';
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$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REQUEST_URI'] = '/excluded/page/';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REQUEST_URI'] = '/?page_id=3';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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$_SERVER['REQUEST_URI'] = '/?page_id=3';
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$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
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}
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// TODO: Test target regex filter.
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/**
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* Test user agent filter (#20).
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*
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* @return void
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*/
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public function test_ua_filter() {
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// Prepare Options: 2 filtered IPs, disabled.
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StatifyBlacklist::$options = array(
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'referer' => array(
|
|
'active' => 0,
|
|
'cron' => 0,
|
|
'regexp' => StatifyBlacklist::MODE_NORMAL,
|
|
'blacklist' => array(),
|
|
),
|
|
'target' => array(
|
|
'active' => 0,
|
|
'cron' => 0,
|
|
'regexp' => StatifyBlacklist::MODE_NORMAL,
|
|
'blacklist' => array(),
|
|
),
|
|
'ip' => array(
|
|
'active' => 0,
|
|
'blacklist' => array(),
|
|
),
|
|
'ua' => array(
|
|
'active' => 0,
|
|
'regexp' => StatifyBlacklist::MODE_NORMAL,
|
|
'blacklist' => array(
|
|
'TestBot/1.23' => 0,
|
|
),
|
|
),
|
|
'version' => StatifyBlacklist::VERSION_MAIN,
|
|
);
|
|
|
|
// No multisite.
|
|
StatifyBlacklist::$multisite = false;
|
|
|
|
// Set matching user agent.
|
|
$_SERVER['HTTP_USER_AGENT'] = 'TestBot/1.23';
|
|
$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
|
|
// Activate filter.
|
|
StatifyBlacklist::$options['ua']['active'] = 1;
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
// Non-matching addresses.
|
|
$_SERVER['HTTP_USER_AGENT'] = 'Another Browser 4.5.6 (Linux)';
|
|
$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
|
|
$_SERVER['HTTP_USER_AGENT'] = 'TestBot/2.34';
|
|
$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
|
|
// Keyword matching.
|
|
StatifyBlacklist::$options['ua']['blacklist'] = array( 'TestBot' => 0 );
|
|
StatifyBlacklist::$options['ua']['regexp'] = StatifyBlacklist::MODE_KEYWORD;
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
// RegEx.
|
|
StatifyBlacklist::$options['ua']['blacklist'] = array( 'T[a-z]+B[a-z]+' => 0 );
|
|
StatifyBlacklist::$options['ua']['regexp'] = StatifyBlacklist::MODE_REGEX;
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
StatifyBlacklist::$options['ua']['blacklist'] = array( 't[a-z]+' => 0 );
|
|
$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
|
|
StatifyBlacklist::$options['ua']['regexp'] = StatifyBlacklist::MODE_REGEX_CI;
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
}
|
|
|
|
|
|
/**
|
|
* Test combined filters.
|
|
*
|
|
* @since 1.4.4
|
|
*
|
|
* @return void
|
|
*/
|
|
public function test_combined_filters() {
|
|
// Prepare Options: simple referer + simple target + ip.
|
|
StatifyBlacklist::$options = array(
|
|
'referer' => array(
|
|
'active' => 1,
|
|
'cron' => 0,
|
|
'regexp' => StatifyBlacklist::MODE_NORMAL,
|
|
'blacklist' => array(
|
|
'example.com' => 0,
|
|
),
|
|
),
|
|
'target' => array(
|
|
'active' => 1,
|
|
'cron' => 0,
|
|
'regexp' => StatifyBlacklist::MODE_NORMAL,
|
|
'blacklist' => array(
|
|
'/excluded/page/' => 0,
|
|
),
|
|
),
|
|
'ip' => array(
|
|
'active' => 1,
|
|
'blacklist' => array(
|
|
'192.0.2.123',
|
|
),
|
|
),
|
|
'ua' => array(
|
|
'active' => 0,
|
|
'regexp' => StatifyBlacklist::MODE_NORMAL,
|
|
'blacklist' => array(),
|
|
),
|
|
'version' => StatifyBlacklist::VERSION_MAIN,
|
|
);
|
|
|
|
// No multisite.
|
|
StatifyBlacklist::$multisite = false;
|
|
|
|
// No match.
|
|
$_SERVER['HTTP_REFERER'] = 'https://example.net';
|
|
$_SERVER['REQUEST_URI'] = '/normal/page/';
|
|
$_SERVER['REMOTE_ADDR'] = '192.0.2.234';
|
|
unset( $_SERVER['HTTP_X_FORWARDED_FOR'] );
|
|
unset( $_SERVER['HTTP_X_REAL_IP'] );
|
|
|
|
// Matching Referer.
|
|
$_SERVER['HTTP_REFERER'] = 'https://example.com';
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
|
|
// Matching target.
|
|
$_SERVER['HTTP_REFERER'] = 'https://example.net';
|
|
$_SERVER['REQUEST_URI'] = '/excluded/page/';
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
|
|
// Matching IP.
|
|
$_SERVER['REQUEST_URI'] = '/normal/page/';
|
|
$_SERVER['REMOTE_ADDR'] = '192.0.2.123';
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
$_SERVER['REMOTE_ADDR'] = '192.0.2.234';
|
|
|
|
// Same for RegExp filters.
|
|
StatifyBlacklist::$options['referer']['regexp'] = StatifyBlacklist::MODE_REGEX;
|
|
StatifyBlacklist::$options['referer']['blacklist'] = array( 'example\.com' => 0 );
|
|
StatifyBlacklist::$options['target']['regexp'] = StatifyBlacklist::MODE_REGEX;
|
|
StatifyBlacklist::$options['target']['blacklist'] = array( '/excluded/.*' => 0 );
|
|
|
|
$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
|
|
$_SERVER['HTTP_REFERER'] = 'https://example.com';
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
// Check case-insensitive match.
|
|
$_SERVER['HTTP_REFERER'] = 'https://eXaMpLe.com';
|
|
$this->assertNull( StatifyBlacklist::apply_blacklist_filter() );
|
|
StatifyBlacklist::$options['referer']['regexp'] = StatifyBlacklist::MODE_REGEX_CI;
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
$_SERVER['HTTP_REFERER'] = 'https://example.net';
|
|
$_SERVER['REQUEST_URI'] = '/excluded/page/';
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
$_SERVER['REQUEST_URI'] = '/normal/page/';
|
|
$_SERVER['REMOTE_ADDR'] = '192.0.2.123';
|
|
$this->assertTrue( StatifyBlacklist::apply_blacklist_filter() );
|
|
$_SERVER['REMOTE_ADDR'] = '192.0.2.234';
|
|
|
|
}
|
|
}
|