--- /dev/null
+<?php
+// $Id: SpamPickupTest.php,v 1.1 2007/07/02 14:51:40 henoheno Exp $
+// Copyright (C) 2007 heno
+//
+// Design test case for spam.php (called from runner.php)
+
+if (! defined('SPAM_INI_FILE')) define('SPAM_INI_FILE', 'spam.ini.php');
+
+require_once('spam_pickup.php');
+require_once('PHPUnit/PHPUnit.php');
+
+class SpamTestNormalize extends PHPUnit_TestCase
+{
+ function setup_string_null()
+ {
+ return array(
+ '[NULL]' => NULL,
+ '[TRUE]' => TRUE,
+ '[FALSE]' => FALSE,
+ '[array(foobar)]' => array('foobar'),
+ '[]' => '',
+ '[0]' => 0,
+ '[1]' => 1
+ );
+ }
+
+ function testFunc_scheme_normalize()
+ {
+ // Null
+ foreach($this->setup_string_null() as $key => $value){
+ $this->assertEquals('', scheme_normalize($value), $key);
+ }
+
+ // CASE
+ $this->assertEquals('http', scheme_normalize('HTTP'));
+
+ // Aliases
+ $this->assertEquals('pop3', scheme_normalize('pop'));
+ $this->assertEquals('nntp', scheme_normalize('news'));
+ $this->assertEquals('imap', scheme_normalize('imap4'));
+ $this->assertEquals('nntps', scheme_normalize('snntp'));
+ $this->assertEquals('nntps', scheme_normalize('snews'));
+ $this->assertEquals('pop3s', scheme_normalize('spop3'));
+ $this->assertEquals('pop3s', scheme_normalize('pops'));
+
+ // Abbrevs
+ $this->assertEquals('http', scheme_normalize('ttp'));
+ $this->assertEquals('https', scheme_normalize('ttps'));
+
+ // Abbrevs considererd harmless
+ $this->assertEquals('', scheme_normalize('ttp', FALSE));
+ $this->assertEquals('', scheme_normalize('ttps', FALSE));
+ }
+
+ function testFunc_host_normalize()
+ {
+ // Null
+ foreach($this->setup_string_null() as $key => $value){
+ $this->assertEquals('', host_normalize($value), $key);
+ }
+
+ // Hostname is case-insensitive
+ $this->assertEquals('example.org', host_normalize('ExAMPle.ORG'));
+
+ // Cut 'www' (destructive)
+ $this->assertEquals('example.org', host_normalize('WWW.example.org'));
+ }
+
+ function testFunc_port_normalize()
+ {
+ $scheme = 'dont_care';
+
+ // 1st argument: Null
+ $this->assertEquals('', port_normalize(NULL, $scheme));
+ $this->assertEquals('', port_normalize(TRUE, $scheme));
+ $this->assertEquals('', port_normalize(FALSE, $scheme));
+ $this->assertEquals('', port_normalize(array('foobar'), $scheme));
+ $this->assertEquals('', port_normalize('', $scheme));
+
+ // 1st argument: Known port
+ $this->assertEquals('', port_normalize( -1, $scheme));
+ $this->assertEquals(0, port_normalize( 0, $scheme));
+ $this->assertEquals(1, port_normalize( 1, $scheme));
+ $this->assertEquals('', port_normalize( 21, 'ftp'));
+ $this->assertEquals('', port_normalize( 22, 'ssh'));
+ $this->assertEquals('', port_normalize( 23, 'telnet'));
+ $this->assertEquals('', port_normalize( 25, 'smtp'));
+ $this->assertEquals('', port_normalize( 69, 'tftp'));
+ $this->assertEquals('', port_normalize( 70, 'gopher'));
+ $this->assertEquals('', port_normalize( 79, 'finger'));
+ $this->assertEquals('', port_normalize( 80, 'http'));
+ $this->assertEquals('', port_normalize( 110, 'pop3'));
+ $this->assertEquals('', port_normalize( 115, 'sftp'));
+ $this->assertEquals('', port_normalize( 119, 'nntp'));
+ $this->assertEquals('', port_normalize( 143, 'imap'));
+ $this->assertEquals('', port_normalize( 194, 'irc'));
+ $this->assertEquals('', port_normalize( 210, 'wais'));
+ $this->assertEquals('', port_normalize( 443, 'https'));
+ $this->assertEquals('', port_normalize( 563, 'nntps'));
+ $this->assertEquals('', port_normalize( 873, 'rsync'));
+ $this->assertEquals('', port_normalize( 990, 'ftps'));
+ $this->assertEquals('', port_normalize( 992, 'telnets'));
+ $this->assertEquals('', port_normalize( 993, 'imaps'));
+ $this->assertEquals('', port_normalize( 994, 'ircs'));
+ $this->assertEquals('', port_normalize( 995, 'pop3s'));
+ $this->assertEquals('', port_normalize( 3306, 'mysql'));
+ $this->assertEquals(8080, port_normalize( 8080, $scheme));
+ $this->assertEquals(65535, port_normalize(65535, $scheme));
+ $this->assertEquals(65536, port_normalize(65536, $scheme)); // Seems not invalid in RFC
+
+ // 1st argument: Invalid type
+ $this->assertEquals('1x', port_normalize('001', $scheme) . 'x');
+ $this->assertEquals('', port_normalize('+0', $scheme));
+ $this->assertEquals('', port_normalize('0-1', $scheme)); // intval() says '0'
+ $this->assertEquals('', port_normalize('str', $scheme));
+
+ // 2nd and 3rd argument: Null
+ $this->assertEquals(80, port_normalize(80, NULL, TRUE));
+ $this->assertEquals(80, port_normalize(80, TRUE, TRUE));
+ $this->assertEquals(80, port_normalize(80, FALSE, TRUE));
+ $this->assertEquals(80, port_normalize(80, array('foobar'), TRUE));
+ $this->assertEquals(80, port_normalize(80, '', TRUE));
+
+ // 2nd and 3rd argument: Do $scheme_normalize
+ $this->assertEquals('', port_normalize(80, 'TTP', TRUE));
+ $this->assertEquals('', port_normalize(110, 'POP', TRUE));
+ $this->assertEquals(80, port_normalize(80, 'HTTP', FALSE));
+ }
+
+ function testFunc_path_normalize()
+ {
+ // 1st argument: Null
+ foreach($this->setup_string_null() as $key => $value){
+ $this->assertEquals('/', path_normalize($value), $key);
+ }
+
+ // 1st argument: CASE sensitive
+ $this->assertEquals('/ExAMPle', path_normalize('ExAMPle'));
+ $this->assertEquals('/#hoge', path_normalize('#hoge'));
+ $this->assertEquals('/a/b/c/d', path_normalize('/a/b/./c////./d'));
+ $this->assertEquals('/b/', path_normalize('/a/../../../b/'));
+
+ // 2nd argument
+ $this->assertEquals('\\b\\c\\d\\', path_normalize('\\a\\..\\b\\.\\c\\\\.\\d\\', '\\'));
+ $this->assertEquals('str1str3str', path_normalize('str1strstr2str..str3str', 'str'));
+ $this->assertEquals('/do/../nothing/', path_normalize('/do/../nothing/', TRUE));
+ $this->assertEquals('/do/../nothing/', path_normalize('/do/../nothing/', array('a')));
+ $this->assertEquals('', path_normalize(array('a'), array('b')));
+ }
+
+ function testFunc_query_normalize()
+ {
+ // 1st argument: Null
+ foreach($this->setup_string_null() as $key => $value){
+ $this->assertEquals('', query_normalize($value), $key);
+ }
+
+ $this->assertEquals('a=0dd&b&c&d&f=d', query_normalize('&&&&f=d&b&d&c&a=0dd'));
+ $this->assertEquals('eg=foobar', query_normalize('nothing==&eg=dummy&eg=padding&eg=foobar'));
+ }
+
+ function testFunc_file_normalize()
+ {
+ // 1st argument: Null
+ foreach($this->setup_string_null() as $key => $value){
+ $this->assertEquals('', file_normalize($value), $key);
+ }
+
+ // 1st argument: Cut DirectoryIndexes (Destructive)
+ foreach(array(
+ 'default.htm',
+ 'default.html',
+ 'default.asp',
+ 'default.aspx',
+\r 'index',
+ 'index.htm',
+ 'index.html',
+ 'index.shtml',
+ 'index.jsp',
+ 'index.php',
+ 'index.php',
+ 'index.php3',
+ 'index.php4',
+ 'index.pl',
+ 'index.py',
+ 'index.rb',
+ 'index.cgi',
+
+ // Apache 2.0.59 default 'index.html' variants
+ 'index.html.ca',
+ 'index.html.cz.iso8859-2',
+ 'index.html.de',
+ 'index.html.dk',
+ 'index.html.ee',
+ 'index.html.el',
+ 'index.html.en',
+ 'index.html.es',
+ 'index.html.et',
+ 'index.html.fr',
+ 'index.html.he.iso8859-8',
+ 'index.html.hr.iso8859-2',
+ 'index.html.it',
+ 'index.html.ja.iso2022-jp',
+ 'index.html.ko.euc-kr',
+ 'index.html.lb.utf8',
+ 'index.html.nl',
+ 'index.html.nn',
+ 'index.html.no',
+ 'index.html.po.iso8859-2',
+ 'index.html.pt',
+ 'index.html.pt-br',
+ 'index.html.ru.cp866',
+ 'index.html.ru.cp-1251',
+ 'index.html.ru.iso-ru',
+ 'index.html.ru.koi8-r',
+ 'index.html.ru.utf8',
+ 'index.html.sv',
+ 'index.html.var', // default
+ 'index.html.zh-cn.gb2312',
+ 'index.html.zh-tw.big5',
+
+ 'index.html.po.iso8859-2',
+ 'index.html.zh-tw.big5',
+
+ 'index.ja.en.de.html',
+
+ // .gz
+ 'index.html.ca.gz',
+ 'index.html.en.ja.ca.z',
+ ) as $arg){
+ $this->assertEquals('', file_normalize($arg));
+ }
+
+ //$this->assertEquals('foo/', file_normalize('foo/index.html'));
+
+ //$this->assertEquals('ExAMPle', file_normalize('ExAMPle'));
+ //$this->assertEquals('exe.exe', file_normalize('exe.exe'));
+ //$this->assertEquals('sample.html', file_normalize('sample.html.en'));
+ //$this->assertEquals('sample.html', file_normalize('sample.html.pt-br'));
+ //$this->assertEquals('sample.html', file_normalize('sample.html.po.iso8859-2'));
+ //$this->assertEquals('sample.html', file_normalize('sample.html.zh-tw.big5'));
+ }
+
+ function testFunc_uri_pickup()
+ {
+ // 1st argument: Null
+ foreach($this->setup_string_null() as $key => $value){
+ $this->assertEquals(0, count(uri_pickup($value)), $key);
+ }
+
+ // 1st argument: Some
+ $test_string = <<<EOF
+ TTP://wwW.Example.Org#TTP_and_www
+ https://nasty.example.org:443/foo/xxx#port443/slash
+ sftp://foobar.example.org:80/dfsdfs#ftp_bat_port80
+ ftp://cnn.example.com&story=breaking_news@10.0.0.1/top_story.htm
+ http://192.168.1.4:443#IPv4
+EOF;
+ $results = uri_pickup_normalize(uri_pickup($test_string));
+ $this->assertEquals(5, count($results));
+
+ // ttp://wwW.Example.Org:80#TTP_and_www
+ $this->assertEquals('http', $results[0]['scheme']);
+ $this->assertEquals('', $results[0]['userinfo']);
+ $this->assertEquals('example.org', $results[0]['host']);
+ $this->assertEquals('', $results[0]['port']);
+ $this->assertEquals('/', $results[0]['path']);
+ $this->assertEquals('', $results[0]['file']);
+ $this->assertEquals('', $results[0]['query']);
+ $this->assertEquals('ttp_and_www', $results[0]['fragment']);
+
+ // https://nasty.example.org:443/foo/xxx#port443/slash
+ $this->assertEquals('https', $results[1]['scheme']);
+ $this->assertEquals('', $results[1]['userinfo']);
+ $this->assertEquals('nasty.example.org', $results[1]['host']);
+ $this->assertEquals('', $results[1]['port']);
+ $this->assertEquals('/foo/', $results[1]['path']);
+ $this->assertEquals('xxx', $results[1]['file']);
+ $this->assertEquals('', $results[1]['query']);
+ $this->assertEquals('port443', $results[1]['fragment']);
+
+ // sftp://foobar.example.org:80/dfsdfs#sftp_bat_port80
+ $this->assertEquals('sftp', $results[2]['scheme']);
+ $this->assertEquals('', $results[2]['userinfo']);
+ $this->assertEquals('foobar.example.org', $results[2]['host']);
+ $this->assertEquals('80', $results[2]['port']);
+ $this->assertEquals('/', $results[2]['path']);
+ $this->assertEquals('dfsdfs', $results[2]['file']);
+ $this->assertEquals('', $results[2]['query']);
+ $this->assertEquals('ftp_bat_port80', $results[2]['fragment']);
+
+ // ftp://cnn.example.com&story=breaking_news@10.0.0.1/top_story.htm
+ $this->assertEquals('ftp', $results[3]['scheme']);
+ $this->assertEquals('cnn.example.com&story=breaking_news', $results[3]['userinfo']);
+ $this->assertEquals('10.0.0.1', $results[3]['host']);
+ $this->assertEquals('', $results[3]['port']);
+ $this->assertEquals('/', $results[3]['path']);
+ $this->assertEquals('top_story.htm', $results[3]['file']);
+ $this->assertEquals('', $results[3]['query']);
+ $this->assertEquals('', $results[3]['fragment']);
+
+
+ // Specific tests ----
+
+ // Divider: Back-slash
+ $test_string = ' http:\\backslash.org\fobar.html ';
+ $results = uri_pickup_normalize(uri_pickup($test_string));
+ $this->assertEquals('backslash.org', $results[0]['host']);
+
+ // Host: Underscore
+ $test_string = ' http://under_score.org/fobar.html ';
+ $results = uri_pickup_normalize(uri_pickup($test_string));
+ $this->assertEquals('under_score.org',$results[0]['host']); // Not 'under'
+
+ // Host: IPv4
+ $test_string = ' http://192.168.0.1/fobar.html ';
+ $results = uri_pickup_normalize(uri_pickup($test_string));
+ $this->assertEquals('192.168.0.1', $results[0]['host']);
+
+ // Host: Starts
+ $test_string = ' http://_sss/foo.html ';
+ $results = uri_pickup_normalize(uri_pickup($test_string));
+ $this->assertEquals('_sss', $results[0]['host']);
+ $this->assertEquals('foo.html', $results[0]['file']);
+
+ // Host: Ends
+ $test_string = ' http://sss_/foo.html ';
+ $results = uri_pickup_normalize(uri_pickup($test_string));
+ $this->assertEquals('sss_', $results[0]['host']);
+ $this->assertEquals('foo.html', $results[0]['file']);
+
+
+ // Specific tests ---- Fails
+
+ // Divider: Colon only (Too sensitive to capture)
+ $test_string = ' http:colon.org ';
+ $results = uri_pickup_normalize(uri_pickup($test_string));
+ $this->assertEquals(0, count($results));
+
+ // Host: Too short
+ $test_string = ' http://s/foo.html http://ss/foo.html ';
+ $results = uri_pickup_normalize(uri_pickup($test_string));
+ $this->assertEquals(0, count($results));
+
+ $test_string = ' http://sss/foo.html ';
+ $results = uri_pickup_normalize(uri_pickup($test_string));
+ $this->assertEquals('sss', $results[0]['host']);
+ $this->assertEquals('foo.html', $results[0]['file']);
+ }
+
+}
+
+?>
\ No newline at end of file
<?php
-// $Id: SpamTest.php,v 1.17 2007/06/23 15:21:32 henoheno Exp $
+// $Id: SpamTest.php,v 1.18 2007/07/02 14:51:40 henoheno Exp $
// Copyright (C) 2007 heno
//
// Design test case for spam.php (called from runner.php)
$this->assertEquals(array('b' => array('k3')), $result);
}
- function testFunc_uri_pickup()
- {
- // 1st argument: Null
- foreach($this->setup_string_null() as $key => $value){
- $this->assertEquals(0, count(uri_pickup($value)), $key);
- }
-
- // 1st argument: Some
- $test_string = <<<EOF
- TTP://wwW.Example.Org#TTP_and_www
- https://nasty.example.org:443/foo/xxx#port443/slash
- sftp://foobar.example.org:80/dfsdfs#ftp_bat_port80
- ftp://cnn.example.com&story=breaking_news@10.0.0.1/top_story.htm
- http://192.168.1.4:443#IPv4
-EOF;
- $results = uri_pickup_normalize(uri_pickup($test_string));
- $this->assertEquals(5, count($results));
-
- // ttp://wwW.Example.Org:80#TTP_and_www
- $this->assertEquals('http', $results[0]['scheme']);
- $this->assertEquals('', $results[0]['userinfo']);
- $this->assertEquals('example.org', $results[0]['host']);
- $this->assertEquals('', $results[0]['port']);
- $this->assertEquals('/', $results[0]['path']);
- $this->assertEquals('', $results[0]['file']);
- $this->assertEquals('', $results[0]['query']);
- $this->assertEquals('ttp_and_www', $results[0]['fragment']);
-
- // https://nasty.example.org:443/foo/xxx#port443/slash
- $this->assertEquals('https', $results[1]['scheme']);
- $this->assertEquals('', $results[1]['userinfo']);
- $this->assertEquals('nasty.example.org', $results[1]['host']);
- $this->assertEquals('', $results[1]['port']);
- $this->assertEquals('/foo/', $results[1]['path']);
- $this->assertEquals('xxx', $results[1]['file']);
- $this->assertEquals('', $results[1]['query']);
- $this->assertEquals('port443', $results[1]['fragment']);
-
- // sftp://foobar.example.org:80/dfsdfs#sftp_bat_port80
- $this->assertEquals('sftp', $results[2]['scheme']);
- $this->assertEquals('', $results[2]['userinfo']);
- $this->assertEquals('foobar.example.org', $results[2]['host']);
- $this->assertEquals('80', $results[2]['port']);
- $this->assertEquals('/', $results[2]['path']);
- $this->assertEquals('dfsdfs', $results[2]['file']);
- $this->assertEquals('', $results[2]['query']);
- $this->assertEquals('ftp_bat_port80', $results[2]['fragment']);
-
- // ftp://cnn.example.com&story=breaking_news@10.0.0.1/top_story.htm
- $this->assertEquals('ftp', $results[3]['scheme']);
- $this->assertEquals('cnn.example.com&story=breaking_news', $results[3]['userinfo']);
- $this->assertEquals('10.0.0.1', $results[3]['host']);
- $this->assertEquals('', $results[3]['port']);
- $this->assertEquals('/', $results[3]['path']);
- $this->assertEquals('top_story.htm', $results[3]['file']);
- $this->assertEquals('', $results[3]['query']);
- $this->assertEquals('', $results[3]['fragment']);
-
-
- // Specific tests ----
-
- // Divider: Back-slash
- $test_string = ' http:\\backslash.org\fobar.html ';
- $results = uri_pickup_normalize(uri_pickup($test_string));
- $this->assertEquals('backslash.org', $results[0]['host']);
-
- // Host: Underscore
- $test_string = ' http://under_score.org/fobar.html ';
- $results = uri_pickup_normalize(uri_pickup($test_string));
- $this->assertEquals('under_score.org',$results[0]['host']); // Not 'under'
-
- // Host: IPv4
- $test_string = ' http://192.168.0.1/fobar.html ';
- $results = uri_pickup_normalize(uri_pickup($test_string));
- $this->assertEquals('192.168.0.1', $results[0]['host']);
-
- // Host: Starts
- $test_string = ' http://_sss/foo.html ';
- $results = uri_pickup_normalize(uri_pickup($test_string));
- $this->assertEquals('_sss', $results[0]['host']);
- $this->assertEquals('foo.html', $results[0]['file']);
-
- // Host: Ends
- $test_string = ' http://sss_/foo.html ';
- $results = uri_pickup_normalize(uri_pickup($test_string));
- $this->assertEquals('sss_', $results[0]['host']);
- $this->assertEquals('foo.html', $results[0]['file']);
-
-
- // Specific tests ---- Fails
-
- // Divider: Colon only (Too sensitive to capture)
- $test_string = ' http:colon.org ';
- $results = uri_pickup_normalize(uri_pickup($test_string));
- $this->assertEquals(0, count($results));
-
- // Host: Too short
- $test_string = ' http://s/foo.html http://ss/foo.html ';
- $results = uri_pickup_normalize(uri_pickup($test_string));
- $this->assertEquals(0, count($results));
-
- $test_string = ' http://sss/foo.html ';
- $results = uri_pickup_normalize(uri_pickup($test_string));
- $this->assertEquals('sss', $results[0]['host']);
- $this->assertEquals('foo.html', $results[0]['file']);
- }
-
- function testFunc_scheme_normalize()
- {
- // Null
- foreach($this->setup_string_null() as $key => $value){
- $this->assertEquals('', scheme_normalize($value), $key);
- }
-
- // CASE
- $this->assertEquals('http', scheme_normalize('HTTP'));
-
- // Aliases
- $this->assertEquals('pop3', scheme_normalize('pop'));
- $this->assertEquals('nntp', scheme_normalize('news'));
- $this->assertEquals('imap', scheme_normalize('imap4'));
- $this->assertEquals('nntps', scheme_normalize('snntp'));
- $this->assertEquals('nntps', scheme_normalize('snews'));
- $this->assertEquals('pop3s', scheme_normalize('spop3'));
- $this->assertEquals('pop3s', scheme_normalize('pops'));
-
- // Abbrevs
- $this->assertEquals('http', scheme_normalize('ttp'));
- $this->assertEquals('https', scheme_normalize('ttps'));
-
- // Abbrevs considererd harmless
- $this->assertEquals('', scheme_normalize('ttp', FALSE));
- $this->assertEquals('', scheme_normalize('ttps', FALSE));
- }
-
- function testFunc_host_normalize()
- {
- // Null
- foreach($this->setup_string_null() as $key => $value){
- $this->assertEquals('', host_normalize($value), $key);
- }
-
- // Hostname is case-insensitive
- $this->assertEquals('example.org', host_normalize('ExAMPle.ORG'));
-
- // Cut 'www' (destructive)
- $this->assertEquals('example.org', host_normalize('WWW.example.org'));
- }
-
- function testFunc_port_normalize()
- {
- $scheme = 'dont_care';
-
- // 1st argument: Null
- $this->assertEquals('', port_normalize(NULL, $scheme));
- $this->assertEquals('', port_normalize(TRUE, $scheme));
- $this->assertEquals('', port_normalize(FALSE, $scheme));
- $this->assertEquals('', port_normalize(array('foobar'), $scheme));
- $this->assertEquals('', port_normalize('', $scheme));
-
- // 1st argument: Known port
- $this->assertEquals('', port_normalize( -1, $scheme));
- $this->assertEquals(0, port_normalize( 0, $scheme));
- $this->assertEquals(1, port_normalize( 1, $scheme));
- $this->assertEquals('', port_normalize( 21, 'ftp'));
- $this->assertEquals('', port_normalize( 22, 'ssh'));
- $this->assertEquals('', port_normalize( 23, 'telnet'));
- $this->assertEquals('', port_normalize( 25, 'smtp'));
- $this->assertEquals('', port_normalize( 69, 'tftp'));
- $this->assertEquals('', port_normalize( 70, 'gopher'));
- $this->assertEquals('', port_normalize( 79, 'finger'));
- $this->assertEquals('', port_normalize( 80, 'http'));
- $this->assertEquals('', port_normalize( 110, 'pop3'));
- $this->assertEquals('', port_normalize( 115, 'sftp'));
- $this->assertEquals('', port_normalize( 119, 'nntp'));
- $this->assertEquals('', port_normalize( 143, 'imap'));
- $this->assertEquals('', port_normalize( 194, 'irc'));
- $this->assertEquals('', port_normalize( 210, 'wais'));
- $this->assertEquals('', port_normalize( 443, 'https'));
- $this->assertEquals('', port_normalize( 563, 'nntps'));
- $this->assertEquals('', port_normalize( 873, 'rsync'));
- $this->assertEquals('', port_normalize( 990, 'ftps'));
- $this->assertEquals('', port_normalize( 992, 'telnets'));
- $this->assertEquals('', port_normalize( 993, 'imaps'));
- $this->assertEquals('', port_normalize( 994, 'ircs'));
- $this->assertEquals('', port_normalize( 995, 'pop3s'));
- $this->assertEquals('', port_normalize( 3306, 'mysql'));
- $this->assertEquals(8080, port_normalize( 8080, $scheme));
- $this->assertEquals(65535, port_normalize(65535, $scheme));
- $this->assertEquals(65536, port_normalize(65536, $scheme)); // Seems not invalid in RFC
-
- // 1st argument: Invalid type
- $this->assertEquals('1x', port_normalize('001', $scheme) . 'x');
- $this->assertEquals('', port_normalize('+0', $scheme));
- $this->assertEquals('', port_normalize('0-1', $scheme)); // intval() says '0'
- $this->assertEquals('', port_normalize('str', $scheme));
-
- // 2nd and 3rd argument: Null
- $this->assertEquals(80, port_normalize(80, NULL, TRUE));
- $this->assertEquals(80, port_normalize(80, TRUE, TRUE));
- $this->assertEquals(80, port_normalize(80, FALSE, TRUE));
- $this->assertEquals(80, port_normalize(80, array('foobar'), TRUE));
- $this->assertEquals(80, port_normalize(80, '', TRUE));
-
- // 2nd and 3rd argument: Do $scheme_normalize
- $this->assertEquals('', port_normalize(80, 'TTP', TRUE));
- $this->assertEquals('', port_normalize(110, 'POP', TRUE));
- $this->assertEquals(80, port_normalize(80, 'HTTP', FALSE));
- }
-
- function testFunc_path_normalize()
- {
- // 1st argument: Null
- foreach($this->setup_string_null() as $key => $value){
- $this->assertEquals('/', path_normalize($value), $key);
- }
-
- // 1st argument: CASE sensitive
- $this->assertEquals('/ExAMPle', path_normalize('ExAMPle'));
- $this->assertEquals('/#hoge', path_normalize('#hoge'));
- $this->assertEquals('/a/b/c/d', path_normalize('/a/b/./c////./d'));
- $this->assertEquals('/b/', path_normalize('/a/../../../b/'));
-
- // 2nd argument
- $this->assertEquals('\\b\\c\\d\\', path_normalize('\\a\\..\\b\\.\\c\\\\.\\d\\', '\\'));
- $this->assertEquals('str1str3str', path_normalize('str1strstr2str..str3str', 'str'));
- $this->assertEquals('/do/../nothing/', path_normalize('/do/../nothing/', TRUE));
- $this->assertEquals('/do/../nothing/', path_normalize('/do/../nothing/', array('a')));
- $this->assertEquals('', path_normalize(array('a'), array('b')));
- }
-
- function testFunc_file_normalize()
- {
- // 1st argument: Null
- foreach($this->setup_string_null() as $key => $value){
- $this->assertEquals('', file_normalize($value), $key);
- }
-
- // 1st argument: Cut DirectoryIndexes (Destructive)
- foreach(array(
- 'default.htm',
- 'default.html',
- 'default.asp',
- 'default.aspx',
-\r 'index',
- 'index.htm',
- 'index.html',
- 'index.shtml',
- 'index.jsp',
- 'index.php',
- 'index.php',
- 'index.php3',
- 'index.php4',
- 'index.pl',
- 'index.py',
- 'index.rb',
- 'index.cgi',
-
- // Apache 2.0.59 default 'index.html' variants
- 'index.html.ca',
- 'index.html.cz.iso8859-2',
- 'index.html.de',
- 'index.html.dk',
- 'index.html.ee',
- 'index.html.el',
- 'index.html.en',
- 'index.html.es',
- 'index.html.et',
- 'index.html.fr',
- 'index.html.he.iso8859-8',
- 'index.html.hr.iso8859-2',
- 'index.html.it',
- 'index.html.ja.iso2022-jp',
- 'index.html.ko.euc-kr',
- 'index.html.lb.utf8',
- 'index.html.nl',
- 'index.html.nn',
- 'index.html.no',
- 'index.html.po.iso8859-2',
- 'index.html.pt',
- 'index.html.pt-br',
- 'index.html.ru.cp866',
- 'index.html.ru.cp-1251',
- 'index.html.ru.iso-ru',
- 'index.html.ru.koi8-r',
- 'index.html.ru.utf8',
- 'index.html.sv',
- 'index.html.var', // default
- 'index.html.zh-cn.gb2312',
- 'index.html.zh-tw.big5',
-
- 'index.html.po.iso8859-2',
- 'index.html.zh-tw.big5',
-
- 'index.ja.en.de.html',
-
- // .gz
- 'index.html.ca.gz',
- 'index.html.en.ja.ca.z',
- ) as $arg){
- $this->assertEquals('', file_normalize($arg));
- }
-
- //$this->assertEquals('foo/', file_normalize('foo/index.html'));
-
- //$this->assertEquals('ExAMPle', file_normalize('ExAMPle'));
- //$this->assertEquals('exe.exe', file_normalize('exe.exe'));
- //$this->assertEquals('sample.html', file_normalize('sample.html.en'));
- //$this->assertEquals('sample.html', file_normalize('sample.html.pt-br'));
- //$this->assertEquals('sample.html', file_normalize('sample.html.po.iso8859-2'));
- //$this->assertEquals('sample.html', file_normalize('sample.html.zh-tw.big5'));
- }
-
- function testFunc_query_normalize()
- {
- // 1st argument: Null
- foreach($this->setup_string_null() as $key => $value){
- $this->assertEquals('', query_normalize($value), $key);
- }
-
- $this->assertEquals('a=0dd&b&c&d&f=d', query_normalize('&&&&f=d&b&d&c&a=0dd'));
- $this->assertEquals('eg=foobar', query_normalize('nothing==&eg=dummy&eg=padding&eg=foobar'));
- }
-
function testFunc_generate_glob_regex()
{
// 1st argument: Null
$this->assertTrue(isset($array['IANA-examples']));
}
-
function testFunc_whois_responsibility()
{
// 1st argument: Null
<?php
-// $Id: runner.php,v 1.2 2007/04/12 14:39:39 henoheno Exp $
+// $Id: runner.php,v 1.3 2007/07/02 14:51:40 henoheno Exp $
//
// Design test runner (web)
error_reporting(E_ALL); // Debug purpose
require_once('SpamTest.php');
+require_once('SpamPickupTest.php');
+
require_once('PHPUnit/PHPUnit.php');
require_once('PHPUnit/HTML.php');
-$suite = new PHPUnit_TestSuite('SpamTest');
+$suite = array(
+ new PHPUnit_TestSuite('SpamTest'),
+ new PHPUnit_TestSuite('SpamPickupTest'),
+);
\r$gui = new PHPUnit_GUI_HTML($suite);
$gui->show();
<?php
-// $Id: spam.php,v 1.195 2007/06/29 15:35:53 henoheno Exp $
+// $Id: spam.php,v 1.196 2007/07/02 14:51:40 henoheno Exp $
// Copyright (C) 2006-2007 PukiWiki Developers Team
// License: GPL v2 or (at your option) any later version
//
//
// (PHP 4 >= 4.3.0): preg_match_all(PREG_OFFSET_CAPTURE): $method['uri_XXX'] related feature
+require_once('spam_pickup.php');
+
if (! defined('SPAM_INI_FILE')) define('SPAM_INI_FILE', 'spam.ini.php');
if (! defined('DOMAIN_INI_FILE')) define('DOMAIN_INI_FILE', 'domain.ini.php');
}
}
-// ----
+
+// ---------------------
+// Utilities
// Very roughly, shrink the lines of var_export()
// NOTE: If the same data exists, it must be corrupted.
}
}
-// Remove redundant values from array()
-function array_unique_recursive($array = array())
+// Reverse $string with specified delimiter
+function delimiter_reverse($string = 'foo.bar.example.com', $from_delim = '.', $to_delim = '.')
{
- if (! is_array($array)) return $array;
-
- $tmp = array();
- foreach($array as $key => $value){
- if (is_array($value)) {
- $array[$key] = array_unique_recursive($value);
- } else {
- if (isset($tmp[$value])) {
- unset($array[$key]);
- } else {
- $tmp[$value] = TRUE;
- }
- }
- }
+ if (! is_string($string) || ! is_string($from_delim) || ! is_string($to_delim))
+ return $string;
- return $array;
+ // com.example.bar.foo
+ return implode($to_delim, array_reverse(explode($from_delim, $string)));
}
-// Renumber all numeric keys from 0
-function array_renumber_numeric_keys(& $array)
+// ksort() by domain
+function ksort_by_domain(& $array)
{
- if (! is_array($array)) return $array;
-
- $count = -1;
- $tmp = array();
- foreach($array as $key => $value){
- if (is_array($value)) array_renumber_numeric_keys($array[$key]); // Recurse
- if (is_numeric($key)) $tmp[$key] = ++$count;
+ $sort = array();
+ foreach(array_keys($array) as $key) {
+ $sort[delimiter_reverse($key)] = $key;
}
- array_rename_keys($array, $tmp);
-
- return $array;
+ ksort($sort, SORT_STRING);
+ $result = array();
+ foreach($sort as $key) {
+ $result[$key] = & $array[$key];
+ }
+ $array = $result;
}
// Roughly strings(1) using PCRE
return $binary;
}
-// Reverse $string with specified delimiter
-function delimiter_reverse($string = 'foo.bar.example.com', $from_delim = '.', $to_delim = '.')
-{
- if (! is_string($string) || ! is_string($from_delim) || ! is_string($to_delim))
- return $string;
-
- // com.example.bar.foo
- return implode($to_delim, array_reverse(explode($from_delim, $string)));
-}
-
// ---------------------
-// URI pickup
-
-// Return an array of URIs in the $string
-// [OK] http://nasty.example.org#nasty_string
-// [OK] http://nasty.example.org:80/foo/xxx#nasty_string/bar
-// [OK] ftp://nasty.example.org:80/dfsdfs
-// [OK] ftp://cnn.example.com&story=breaking_news@10.0.0.1/top_story.htm (from RFC3986)
-function uri_pickup($string = '')
-{
- if (! is_string($string)) return array();
-
- // Not available for: IDN(ignored)
- $array = array();
- preg_match_all(
- // scheme://userinfo@host:port/path/or/pathinfo/maybefile.and?query=string#fragment
- // Refer RFC3986 (Regex below is not strict)
- '#(\b[a-z][a-z0-9.+-]{1,8}):[/\\\]+' . // 1: Scheme
- '(?:' .
- '([^\s<>"\'\[\]/\#?@]*)' . // 2: Userinfo (Username)
- '@)?' .
- '(' .
- // 3: Host
- '\[[0-9a-f:.]+\]' . '|' . // IPv6([colon-hex and dot]): RFC2732
- '(?:[0-9]{1,3}\.){3}[0-9]{1,3}' . '|' . // IPv4(dot-decimal): 001.22.3.44
- '[a-z0-9_-][a-z0-9_.-]+[a-z0-9_-]' . // hostname(FQDN) : foo.example.org
- ')' .
- '(?::([0-9]*))?' . // 4: Port
- '((?:/+[^\s<>"\'\[\]/\#]+)*/+)?' . // 5: Directory path or path-info
- '([^\s<>"\'\[\]\#?]+)?' . // 6: File?
- '(?:\?([^\s<>"\'\[\]\#]+))?' . // 7: Query string
- '(?:\#([a-z0-9._~%!$&\'()*+,;=:@-]*))?' . // 8: Fragment
- '#i',
- $string, $array, PREG_SET_ORDER | PREG_OFFSET_CAPTURE
- );
+// Utilities: Arrays
- // Format the $array
- static $parts = array(
- 1 => 'scheme', 2 => 'userinfo', 3 => 'host', 4 => 'port',
- 5 => 'path', 6 => 'file', 7 => 'query', 8 => 'fragment'
- );
- $default = array('');
- foreach(array_keys($array) as $uri) {
- $_uri = & $array[$uri];
- array_rename_keys($_uri, $parts, TRUE, $default);
- $offset = $_uri['scheme'][1]; // Scheme's offset = URI's offset
- foreach(array_keys($_uri) as $part) {
- $_uri[$part] = & $_uri[$part][0]; // Remove offsets
- }
- }
-
- foreach(array_keys($array) as $uri) {
- $_uri = & $array[$uri];
- if ($_uri['scheme'] === '') {
- unset($array[$uri]); // Considererd harmless
- continue;
- }
- unset($_uri[0]); // Matched string itself
- $_uri['area']['offset'] = $offset; // Area offset for area_measure()
- }
-
- return $array;
-}
-
-// Normalize an array of URI arrays
-// NOTE: Give me the uri_pickup() results
-function uri_pickup_normalize(& $pickups, $destructive = TRUE)
+// Count leaves (A leaf = value that is not an array, or an empty array)
+function array_count_leaves($array = array(), $count_empty = FALSE)
{
- if (! is_array($pickups)) return $pickups;
+ if (! is_array($array) || (empty($array) && $count_empty)) return 1;
- if ($destructive) {
- foreach (array_keys($pickups) as $key) {
- $_key = & $pickups[$key];
- $_key['scheme'] = isset($_key['scheme']) ? scheme_normalize($_key['scheme']) : '';
- $_key['host'] = isset($_key['host']) ? host_normalize($_key['host']) : '';
- $_key['port'] = isset($_key['port']) ? port_normalize($_key['port'], $_key['scheme'], FALSE) : '';
- $_key['path'] = isset($_key['path']) ? strtolower(path_normalize($_key['path'])) : '';
- $_key['file'] = isset($_key['file']) ? file_normalize($_key['file']) : '';
- $_key['query'] = isset($_key['query']) ? query_normalize($_key['query']) : '';
- $_key['fragment'] = isset($_key['fragment']) ? strtolower($_key['fragment']) : '';
- }
- } else {
- foreach (array_keys($pickups) as $key) {
- $_key = & $pickups[$key];
- $_key['scheme'] = isset($_key['scheme']) ? scheme_normalize($_key['scheme']) : '';
- $_key['host'] = isset($_key['host']) ? strtolower($_key['host']) : '';
- $_key['port'] = isset($_key['port']) ? port_normalize($_key['port'], $_key['scheme'], FALSE) : '';
- $_key['path'] = isset($_key['path']) ? path_normalize($_key['path']) : '';
- }
+ // Recurse
+ $count = 0;
+ foreach ($array as $part) {
+ $count += array_count_leaves($part, $count_empty);
}
-
- return $pickups;
+ return $count;
}
-// An URI array => An URI (See uri_pickup())
-// USAGE:
-// $pickups = uri_pickup('a string include some URIs');
-// $uris = array();
-// foreach (array_keys($pickups) as $key) {
-// $uris[$key] = uri_pickup_implode($pickups[$key]);
-// }
-function uri_pickup_implode($uri = array())
+// An array-leaves to a flat array
+function array_flat_leaves($array, $unique = TRUE)
{
- if (empty($uri) || ! is_array($uri)) return NULL;
+ if (! is_array($array)) return $array;
$tmp = array();
- if (isset($uri['scheme']) && $uri['scheme'] !== '') {
- $tmp[] = & $uri['scheme'];
- $tmp[] = '://';
- }
- if (isset($uri['userinfo']) && $uri['userinfo'] !== '') {
- $tmp[] = & $uri['userinfo'];
- $tmp[] = '@';
- }
- if (isset($uri['host']) && $uri['host'] !== '') {
- $tmp[] = & $uri['host'];
- }
- if (isset($uri['port']) && $uri['port'] !== '') {
- $tmp[] = ':';
- $tmp[] = & $uri['port'];
- }
- if (isset($uri['path']) && $uri['path'] !== '') {
- $tmp[] = & $uri['path'];
- }
- if (isset($uri['file']) && $uri['file'] !== '') {
- $tmp[] = & $uri['file'];
- }
- if (isset($uri['query']) && $uri['query'] !== '') {
- $tmp[] = '?';
- $tmp[] = & $uri['query'];
- }
- if (isset($uri['fragment']) && $uri['fragment'] !== '') {
- $tmp[] = '#';
- $tmp[] = & $uri['fragment'];
+ foreach(array_keys($array) as $key) {
+ if (is_array($array[$key])) {
+ // Recurse
+ foreach(array_flat_leaves($array[$key]) as $_value) {
+ $tmp[] = $_value;
+ }
+ } else {
+ $tmp[] = & $array[$key];
+ }
}
- return implode('', $tmp);
+ return $unique ? array_values(array_unique($tmp)) : $tmp;
}
// $array['something'] => $array['wanted']
return TRUE;
}
-// ---------------------
-// Area pickup
-
-// Pickup all of markup areas
-function area_pickup($string = '', $method = array())
-{
- $area = array();
- if (empty($method)) return $area;
-
- // Anchor tag pair by preg_match and preg_match_all()
- // [OK] <a href></a>
- // [OK] <a href= >Good site!</a>
- // [OK] <a href= "#" >test</a>
- // [OK] <a href="http://nasty.example.com">visit http://nasty.example.com/</a>
- // [OK] <a href=\'http://nasty.example.com/\' >discount foobar</a>
- // [NG] <a href="http://ng.example.com">visit http://ng.example.com _not_ended_
- $regex = '#<a\b[^>]*\bhref\b[^>]*>.*?</a\b[^>]*(>)#is';
- if (isset($method['area_anchor'])) {
- $areas = array();
- $count = isset($method['asap']) ?
- preg_match($regex, $string) :
- preg_match_all($regex, $string, $areas);
- if (! empty($count)) $area['area_anchor'] = $count;
- }
- if (isset($method['uri_anchor'])) {
- $areas = array();
- preg_match_all($regex, $string, $areas, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
- foreach(array_keys($areas) as $_area) {
- $areas[$_area] = array(
- $areas[$_area][0][1], // Area start (<a href>)
- $areas[$_area][1][1], // Area end (</a>)
- );
- }
- if (! empty($areas)) $area['uri_anchor'] = $areas;
- }
-
- // phpBB's "BBCode" pair by preg_match and preg_match_all()
- // [OK] [url][/url]
- // [OK] [url]http://nasty.example.com/[/url]
- // [OK] [link]http://nasty.example.com/[/link]
- // [OK] [url=http://nasty.example.com]visit http://nasty.example.com/[/url]
- // [OK] [link http://nasty.example.com/]buy something[/link]
- $regex = '#\[(url|link)\b[^\]]*\].*?\[/\1\b[^\]]*(\])#is';
- if (isset($method['area_bbcode'])) {
- $areas = array();
- $count = isset($method['asap']) ?
- preg_match($regex, $string) :
- preg_match_all($regex, $string, $areas, PREG_SET_ORDER);
- if (! empty($count)) $area['area_bbcode'] = $count;
- }
- if (isset($method['uri_bbcode'])) {
- $areas = array();
- preg_match_all($regex, $string, $areas, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
- foreach(array_keys($areas) as $_area) {
- $areas[$_area] = array(
- $areas[$_area][0][1], // Area start ([url])
- $areas[$_area][2][1], // Area end ([/url])
- );
- }
- if (! empty($areas)) $area['uri_bbcode'] = $areas;
- }
-
- // Various Wiki syntax
- // [text_or_uri>text_or_uri]
- // [text_or_uri:text_or_uri]
- // [text_or_uri|text_or_uri]
- // [text_or_uri->text_or_uri]
- // [text_or_uri text_or_uri] // MediaWiki
- // MediaWiki: [http://nasty.example.com/ visit http://nasty.example.com/]
-
- return $area;
-}
-
-// If in doubt, it's a little doubtful
-// if (Area => inside <= Area) $brief += -1
-function area_measure($areas, & $array, $belief = -1, $a_key = 'area', $o_key = 'offset')
-{
- if (! is_array($areas) || ! is_array($array)) return;
-
- $areas_keys = array_keys($areas);
- foreach(array_keys($array) as $u_index) {
- $offset = isset($array[$u_index][$o_key]) ?
- intval($array[$u_index][$o_key]) : 0;
- foreach($areas_keys as $a_index) {
- if (isset($array[$u_index][$a_key])) {
- $offset_s = intval($areas[$a_index][0]);
- $offset_e = intval($areas[$a_index][1]);
- // [Area => inside <= Area]
- if ($offset_s < $offset && $offset < $offset_e) {
- $array[$u_index][$a_key] += $belief;
- }
- }
- }
- }
-}
-
-// ---------------------
-// Spam-uri pickup
-
-// Preprocess: Removing uninterest part for URI detection
-function spam_uri_removing_hocus_pocus($binary = '', $method = array())
-{
- $length = 4 ; // 'http'(1) and '://'(2) and 'fqdn'(1)
- if (is_array($method)) {
- // '<a'(2) or 'href='(5) or '>'(1) or '</a>'(4)
- // '[uri'(4) or ']'(1) or '[/uri]'(6)
- if (isset($method['area_anchor']) || isset($method['uri_anchor']) ||
- isset($method['area_bbcode']) || isset($method['uri_bbcode']))
- $length = 1; // Seems not effective
- }
-
- // Removing sequential spaces and too short lines
- $binary = strings($binary, $length, TRUE, FALSE); // Multibyte NOT needed
-
- // Remove words (has no '<>[]:') between spaces
- $binary = preg_replace('/[ \t][\w.,()\ \t]+[ \t]/', ' ', $binary);
-
- return $binary;
-}
-
-// Preprocess: Domain exposure callback (See spam_uri_pickup_preprocess())
-// http://victim.example.org/?foo+site:nasty.example.com+bar
-// => http://nasty.example.com/?refer=victim.example.org
-// NOTE: 'refer=' is not so good for (at this time).
-// Consider about using IP address of the victim, try to avoid that.
-function _preg_replace_callback_domain_exposure($matches = array())
-{
- $result = '';
-
- // Preserve the victim URI as a complicity or ...
- if (isset($matches[5])) {
- $result =
- $matches[1] . '://' . // scheme
- $matches[2] . '/' . // victim.example.org
- $matches[3]; // The rest of all (before victim)
- }
-
- // Flipped URI
- if (isset($matches[4])) {
- $result =
- $matches[1] . '://' . // scheme
- $matches[4] . // nasty.example.com
- '/?refer=' . strtolower($matches[2]) . // victim.example.org
- ' ' . $result;
- }
-
- return $result;
-}
-
-// Preprocess: rawurldecode() and adding space(s) and something
-// to detect/count some URIs _if possible_
-// NOTE: It's maybe danger to var_dump(result). [e.g. 'javascript:']
-// [OK] http://victim.example.org/?site:nasty.example.org
-// [OK] http://victim.example.org/nasty.example.org
-// [OK] http://victim.example.org/go?http%3A%2F%2Fnasty.example.org
-// [OK] http://victim.example.org/http://nasty.example.org
-function spam_uri_pickup_preprocess($string = '', $method = array())
-{
- if (! is_string($string)) return '';
-
- $string = spam_uri_removing_hocus_pocus(rawurldecode($string), $method);
- //var_dump(htmlspecialchars($string));
-
- // Domain exposure (simple)
- // http://victim.example.org/nasty.example.org/path#frag
- // => http://nasty.example.org/?refer=victim.example.org and original
- $string = preg_replace(
- '#h?ttp://' .
- '(' .
- 'ime\.nu' . '|' . // 2ch.net
- 'ime\.st' . '|' . // 2ch.net
- 'link\.toolbot\.com' . '|' .
- 'urlx\.org' .
- ')' .
- '/([a-z0-9.%_-]+\.[a-z0-9.%_-]+)#i', // nasty.example.org
- 'http://$2/?refer=$1 $0', // Preserve $0 or remove?
- $string
- );
-
- // Domain exposure (gate-big5)
- // http://victim.example.org/gate/big5/nasty.example.org/path
- // => http://nasty.example.org/?refer=victim.example.org and original
- $string = preg_replace(
- '#h?ttp://' .
- '(' .
- 'big5.51job.com' . '|' .
- 'big5.china.com' . '|' .
- 'big5.xinhuanet.com' . '|' .
- ')' .
- '/gate/big5' .
- '/([a-z0-9.%_-]+\.[a-z0-9.%_-]+)' .
- '#i', // nasty.example.org
- 'http://$2/?refer=$1 $0', // Preserve $0 or remove?
- $string
- );
-
- // Domain exposure (site:) See _preg_replace_callback_domain_exposure()
- $string = preg_replace_callback(
- array(
- '#(h?ttp)://' . // 1:Scheme
- // 2:Host
- '(' .
- '(?:[a-z0-9_.-]+\.)?[a-z0-9_-]+\.[a-z0-9_-]+' .
- // Something Google: http://www.google.com/supported_domains
- // AltaVista: http://es.altavista.com/web/results?q=site%3Anasty.example.org+foobar
- // Live Search: search.live.com
- // MySpace: http://sads.myspace.com/Modules/Search/Pages/Search.aspx?_snip_&searchString=site:nasty.example.org
- // (also searchresults.myspace.com)
- // alltheweb.com
- // search.bbc.co.uk
- // search.orange.co.uk
- // ...
- ')' .
- '/' .
- '([a-z0-9?=&.%_/\'\\\+-]+)' . // 3:path/?query=foo+bar+
- '\bsite:([a-z0-9.%_-]+\.[a-z0-9.%_-]+)' . // 4:site:nasty.example.com
- '()' . // 5:Preserve or remove?
- '#i',
- ),
- '_preg_replace_callback_domain_exposure',
- $string
- );
-
- // URI exposure (uriuri => uri uri)
- $string = preg_replace(
- array(
- '#(?<! )(?:https?|ftp):/#i',
- // '#[a-z][a-z0-9.+-]{1,8}://#i',
- // '#[a-z][a-z0-9.+-]{1,8}://#i'
- ),
- ' $0',
- $string
- );
-
- return $string;
-}
-
-// Main function of spam-uri pickup,
-// A wrapper function of uri_pickup()
-function spam_uri_pickup($string = '', $method = array())
-{
- if (! is_array($method) || empty($method)) {
- $method = check_uri_spam_method();
- }
-
- $string = spam_uri_pickup_preprocess($string, $method);
-
- $array = uri_pickup($string);
-
- // Area elevation of URIs, for '(especially external)link' intension
- if (! empty($array)) {
- $_method = array();
- if (isset($method['uri_anchor'])) $_method['uri_anchor'] = & $method['uri_anchor'];
- if (isset($method['uri_bbcode'])) $_method['uri_bbcode'] = & $method['uri_bbcode'];
- $areas = area_pickup($string, $_method, TRUE);
- if (! empty($areas)) {
- $area_shadow = array();
- foreach (array_keys($array) as $key) {
- $area_shadow[$key] = & $array[$key]['area'];
- foreach (array_keys($_method) as $_key) {
- $area_shadow[$key][$_key] = 0;
- }
- }
- foreach (array_keys($_method) as $_key) {
- if (isset($areas[$_key])) {
- area_measure($areas[$_key], $area_shadow, 1, $_key);
- }
- }
- }
- }
-
- // Remove 'offset's for area_measure()
- foreach(array_keys($array) as $key)
- unset($array[$key]['area']['offset']);
-
- return $array;
-}
-
-
-// ---------------------
-// Normalization
-
-// Scheme normalization: Renaming the schemes
-// snntp://example.org => nntps://example.org
-// NOTE: Keep the static lists simple. See also port_normalize().
-function scheme_normalize($scheme = '', $abbrevs_harmfull = TRUE)
-{
- // Abbreviations they have no intention of link
- static $abbrevs = array(
- 'ttp' => 'http',
- 'ttps' => 'https',
- );
-
- // Aliases => normalized ones
- static $aliases = array(
- 'pop' => 'pop3',
- 'news' => 'nntp',
- 'imap4' => 'imap',
- 'snntp' => 'nntps',
- 'snews' => 'nntps',
- 'spop3' => 'pop3s',
- 'pops' => 'pop3s',
- );
-
- if (! is_string($scheme)) return '';
-
- $scheme = strtolower($scheme);
- if (isset($abbrevs[$scheme])) {
- $scheme = $abbrevs_harmfull ? $abbrevs[$scheme] : '';
- }
- if (isset($aliases[$scheme])) {
- $scheme = $aliases[$scheme];
- }
-
- return $scheme;
-}
-
-// Hostname normlization (Destructive)
-// www.foo => www.foo ('foo' seems TLD)
-// www.foo.bar => foo.bar
-// www.10.20 => www.10.20 (Invalid hostname)
-// NOTE:
-// 'www' is mostly used as traditional hostname of WWW server.
-// 'www.foo.bar' may be identical with 'foo.bar'.
-function host_normalize($host = '')
-{
- if (! is_string($host)) return '';
-
- $host = strtolower($host);
- $matches = array();
- if (preg_match('/^www\.(.+\.[a-z]+)$/', $host, $matches)) {
- return $matches[1];
- } else {
- return $host;
- }
-}
-
-// Port normalization: Suppress the (redundant) default port
-// HTTP://example.org:80/ => http://example.org/
-// HTTP://example.org:8080/ => http://example.org:8080/
-// HTTPS://example.org:443/ => https://example.org/
-function port_normalize($port, $scheme, $scheme_normalize = FALSE)
-{
- // Schemes that users _maybe_ want to add protocol-handlers
- // to their web browsers. (and attackers _maybe_ want to use ...)
- // Reference: http://www.iana.org/assignments/port-numbers
- static $array = array(
- // scheme => default port
- 'ftp' => 21,
- 'ssh' => 22,
- 'telnet' => 23,
- 'smtp' => 25,
- 'tftp' => 69,
- 'gopher' => 70,
- 'finger' => 79,
- 'http' => 80,
- 'pop3' => 110,
- 'sftp' => 115,
- 'nntp' => 119,
- 'imap' => 143,
- 'irc' => 194,
- 'wais' => 210,
- 'https' => 443,
- 'nntps' => 563,
- 'rsync' => 873,
- 'ftps' => 990,
- 'telnets' => 992,
- 'imaps' => 993,
- 'ircs' => 994,
- 'pop3s' => 995,
- 'mysql' => 3306,
- );
-
- // intval() converts '0-1' to '0', so preg_match() rejects these invalid ones
- if (! is_numeric($port) || $port < 0 || preg_match('/[^0-9]/i', $port))
- return '';
-
- $port = intval($port);
- if ($scheme_normalize) $scheme = scheme_normalize($scheme);
- if (isset($array[$scheme]) && $port == $array[$scheme])
- $port = ''; // Ignore the defaults
-
- return $port;
-}
-
-// Path normalization
-// http://example.org => http://example.org/
-// http://example.org#hoge => http://example.org/#hoge
-// http://example.org/path/a/b/./c////./d => http://example.org/path/a/b/c/d
-// http://example.org/path/../../a/../back => http://example.org/back
-function path_normalize($path = '', $divider = '/', $add_root = TRUE)
+// Remove redundant values from array()
+function array_unique_recursive($array = array())
{
- if (! is_string($divider)) return is_string($path) ? $path : '';
-
- if ($add_root) {
- $first_div = & $divider;
- } else {
- $first_div = '';
- }
- if (! is_string($path) || $path == '') return $first_div;
-
- if (strpos($path, $divider, strlen($path) - strlen($divider)) === FALSE) {
- $last_div = '';
- } else {
- $last_div = & $divider;
- }
-
- $array = explode($divider, $path);
-
- // Remove paddings ('//' and '/./')
- foreach(array_keys($array) as $key) {
- if ($array[$key] == '' || $array[$key] == '.') {
- unset($array[$key]);
- }
- }
+ if (! is_array($array)) return $array;
- // Remove back-tracks ('/../')
$tmp = array();
- foreach($array as $value) {
- if ($value == '..') {
- array_pop($tmp);
+ foreach($array as $key => $value){
+ if (is_array($value)) {
+ $array[$key] = array_unique_recursive($value);
} else {
- array_push($tmp, $value);
- }
- }
- $array = & $tmp;
-
- if (empty($array)) {
- return $first_div;
- } else {
- return $first_div . implode($divider, $array) . $last_div;
- }
-}
-
-// DirectoryIndex normalize (Destructive and rough)
-// TODO: sample.en.ja.html.gz => sample.html
-function file_normalize($file = 'index.html.en')
-{
- static $simple_defaults = array(
- 'default.htm' => TRUE,
- 'default.html' => TRUE,
- 'default.asp' => TRUE,
- 'default.aspx' => TRUE,
- 'index' => TRUE, // Some system can omit the suffix
- );
-
- static $content_suffix = array(
- // index.xxx, sample.xxx
- 'htm' => TRUE,
- 'html' => TRUE,
- 'shtml' => TRUE,
- 'jsp' => TRUE,
- 'php' => TRUE,
- 'php3' => TRUE,
- 'php4' => TRUE,
- 'pl' => TRUE,
- 'py' => TRUE,
- 'rb' => TRUE,
- 'cgi' => TRUE,
- 'xml' => TRUE,
- );
-
- static $language_suffix = array(
- // Reference: Apache 2.0.59 'AddLanguage' default
- 'ca' => TRUE,
- 'cs' => TRUE, // cs
- 'cz' => TRUE, // cs
- 'de' => TRUE,
- 'dk' => TRUE, // da
- 'el' => TRUE,
- 'en' => TRUE,
- 'eo' => TRUE,
- 'es' => TRUE,
- 'et' => TRUE,
- 'fr' => TRUE,
- 'he' => TRUE,
- 'hr' => TRUE,
- 'it' => TRUE,
- 'ja' => TRUE,
- 'ko' => TRUE,
- 'ltz' => TRUE,
- 'nl' => TRUE,
- 'nn' => TRUE,
- 'no' => TRUE,
- 'po' => TRUE,
- 'pt' => TRUE,
- 'pt-br' => TRUE,
- 'ru' => TRUE,
- 'sv' => TRUE,
- 'zh-cn' => TRUE,
- 'zh-tw' => TRUE,
-
- // Reference: Apache 2.0.59 default 'index.html' variants
- 'ee' => TRUE,
- 'lb' => TRUE,
- 'var' => TRUE,
- );
-
- static $charset_suffix = array(
- // Reference: Apache 2.0.59 'AddCharset' default
- 'iso8859-1' => TRUE, // ISO-8859-1
- 'latin1' => TRUE, // ISO-8859-1
- 'iso8859-2' => TRUE, // ISO-8859-2
- 'latin2' => TRUE, // ISO-8859-2
- 'cen' => TRUE, // ISO-8859-2
- 'iso8859-3' => TRUE, // ISO-8859-3
- 'latin3' => TRUE, // ISO-8859-3
- 'iso8859-4' => TRUE, // ISO-8859-4
- 'latin4' => TRUE, // ISO-8859-4
- 'iso8859-5' => TRUE, // ISO-8859-5
- 'latin5' => TRUE, // ISO-8859-5
- 'cyr' => TRUE, // ISO-8859-5
- 'iso-ru' => TRUE, // ISO-8859-5
- 'iso8859-6' => TRUE, // ISO-8859-6
- 'latin6' => TRUE, // ISO-8859-6
- 'arb' => TRUE, // ISO-8859-6
- 'iso8859-7' => TRUE, // ISO-8859-7
- 'latin7' => TRUE, // ISO-8859-7
- 'grk' => TRUE, // ISO-8859-7
- 'iso8859-8' => TRUE, // ISO-8859-8
- 'latin8' => TRUE, // ISO-8859-8
- 'heb' => TRUE, // ISO-8859-8
- 'iso8859-9' => TRUE, // ISO-8859-9
- 'latin9' => TRUE, // ISO-8859-9
- 'trk' => TRUE, // ISO-8859-9
- 'iso2022-jp'=> TRUE, // ISO-2022-JP
- 'jis' => TRUE, // ISO-2022-JP
- 'iso2022-kr'=> TRUE, // ISO-2022-KR
- 'kis' => TRUE, // ISO-2022-KR
- 'iso2022-cn'=> TRUE, // ISO-2022-CN
- 'cis' => TRUE, // ISO-2022-CN
- 'big5' => TRUE,
- 'cp-1251' => TRUE, // ru, WINDOWS-1251
- 'win-1251' => TRUE, // ru, WINDOWS-1251
- 'cp866' => TRUE, // ru
- 'koi8-r' => TRUE, // ru, KOI8-r
- 'koi8-ru' => TRUE, // ru, KOI8-r
- 'koi8-uk' => TRUE, // ru, KOI8-ru
- 'ua' => TRUE, // ru, KOI8-ru
- 'ucs2' => TRUE, // ru, ISO-10646-UCS-2
- 'ucs4' => TRUE, // ru, ISO-10646-UCS-4
- 'utf8' => TRUE,
-
- // Reference: Apache 2.0.59 default 'index.html' variants
- 'euc-kr' => TRUE,
- 'gb2312' => TRUE,
- );
-
- // May uncompress by web browsers on the fly
- // Must be at the last of the filename
- // Reference: Apache 2.0.59 'AddEncoding'
- static $encoding_suffix = array(
- 'z' => TRUE,
- 'gz' => TRUE,
- );
-
- if (! is_string($file)) return '';
- $_file = strtolower($file);
- if (isset($simple_defaults[$_file])) return '';
-
-
- // Roughly removing language/character-set/encoding suffixes
- // References:
- // * Apache 2 document about 'Content-negotiaton', 'mod_mime' and 'mod_negotiation'
- // http://httpd.apache.org/docs/2.0/content-negotiation.html
- // http://httpd.apache.org/docs/2.0/mod/mod_mime.html
- // http://httpd.apache.org/docs/2.0/mod/mod_negotiation.html
- // * http://www.iana.org/assignments/character-sets
- // * RFC3066: Tags for the Identification of Languages
- // http://www.ietf.org/rfc/rfc3066.txt
- // * ISO 639: codes of 'language names'
- $suffixes = explode('.', $_file);
- $body = array_shift($suffixes);
- if ($suffixes) {
- // Remove the last .gz/.z
- $last_key = end(array_keys($suffixes));
- if (isset($encoding_suffix[$suffixes[$last_key]])) {
- unset($suffixes[$last_key]);
- }
- }
- // Cut language and charset suffixes
- foreach($suffixes as $key => $value){
- if (isset($language_suffix[$value]) || isset($charset_suffix[$value])) {
- unset($suffixes[$key]);
- }
- }
- if (empty($suffixes)) return $body;
-
- // Index.xxx
- $count = count($suffixes);
- reset($suffixes);
- $current = current($suffixes);
- if ($body == 'index' && $count == 1 && isset($content_suffix[$current])) return '';
-
- return $file;
-}
-
-// Sort query-strings if possible (Destructive and rough)
-// [OK] &&&&f=d&b&d&c&a=0dd => a=0dd&b&c&d&f=d
-// [OK] nothing==&eg=dummy&eg=padding&eg=foobar => eg=foobar
-function query_normalize($string = '', $equal = TRUE, $equal_cutempty = TRUE, $stortolower = TRUE)
-{
- if (! is_string($string)) return '';
- if ($stortolower) $string = strtolower($string);
-
- $array = explode('&', $string);
-
- // Remove '&' paddings
- foreach(array_keys($array) as $key) {
- if ($array[$key] == '') {
- unset($array[$key]);
- }
- }
-
- // Consider '='-sepalated input and paddings
- if ($equal) {
- $equals = $not_equals = array();
- foreach ($array as $part) {
- if (strpos($part, '=') === FALSE) {
- $not_equals[] = $part;
+ if (isset($tmp[$value])) {
+ unset($array[$key]);
} else {
- list($key, $value) = explode('=', $part, 2);
- $value = ltrim($value, '=');
- if (! $equal_cutempty || $value != '') {
- $equals[$key] = $value;
- }
+ $tmp[$value] = TRUE;
}
}
-
- $array = & $not_equals;
- foreach ($equals as $key => $value) {
- $array[] = $key . '=' . $value;
- }
- unset($equals);
}
- natsort($array);
- return implode('&', $array);
+ return $array;
}
+
// ---------------------
// Part One : Checker
return $string;
}
-// Rough hostname checker
-// [OK] 192.168.
-// TODO: Strict digit, 0x, CIDR, IPv6
-function is_ip($string = '')
-{
- if (preg_match('/^' .
- '(?:[0-9]{1,3}\.){3}[0-9]{1,3}' . '|' .
- '(?:[0-9]{1,3}\.){1,3}' . '$/',
- $string)) {
- return 4; // Seems IPv4(dot-decimal)
- } else {
- return 0; // Seems not IP
- }
-}
-
// Generate host (FQDN, IPv4, ...) regex
// 'localhost' : Matches with 'localhost' only
// 'example.org' : Matches with 'example.org' only (See host_normalize() about 'www')
}
}
+// Rough hostname checker
+// [OK] 192.168.
+// TODO: Strict digit, 0x, CIDR, IPv6
+function is_ip($string = '')
+{
+ if (preg_match('/^' .
+ '(?:[0-9]{1,3}\.){3}[0-9]{1,3}' . '|' .
+ '(?:[0-9]{1,3}\.){1,3}' . '$/',
+ $string)) {
+ return 4; // Seems IPv4(dot-decimal)
+ } else {
+ return 0; // Seems not IP
+ }
+}
+
function get_blocklist($list = '')
{
static $regexes;
return $blocked;
}
+
+// ---------------------
+
+
// Default (enabled) methods and thresholds (for content insertion)
function check_uri_spam_method($times = 1, $t_area = 0, $rule = TRUE)
{
return $progress;
}
-// Count leaves (A leaf = value that is not an array, or an empty array)
-function array_count_leaves($array = array(), $count_empty = FALSE)
-{
- if (! is_array($array) || (empty($array) && $count_empty)) return 1;
-
- // Recurse
- $count = 0;
- foreach ($array as $part) {
- $count += array_count_leaves($part, $count_empty);
- }
- return $count;
-}
-
-// An array-leaves to a flat array
-function array_flat_leaves($array, $unique = TRUE)
-{
- if (! is_array($array)) return $array;
-
- $tmp = array();
- foreach(array_keys($array) as $key) {
- if (is_array($array[$key])) {
- // Recurse
- foreach(array_flat_leaves($array[$key]) as $_value) {
- $tmp[] = $_value;
- }
- } else {
- $tmp[] = & $array[$key];
- }
- }
-
- return $unique ? array_values(array_unique($tmp)) : $tmp;
-}
-
-// An array() to an array leaf
-function array_leaf($array = array('A', 'B', 'C.D'), $stem = FALSE, $edge = TRUE)
-{
- if (! is_array($array)) return $array;
-
- $leaf = array();
- $tmp = & $leaf;
- foreach($array as $arg) {
- if (! is_string($arg) && ! is_int($arg)) continue;
- $tmp[$arg] = array();
- $parent = & $tmp;
- $tmp = & $tmp[$arg];
- }
- if ($stem) {
- $parent[key($parent)] = & $edge;
- } else {
- $parent = key($parent);
- }
-
- return $leaf; // array('A' => array('B' => 'C.D'))
-}
-
-
// ---------------------
// Reporting
')';
}
-// ksort() by domain
-function ksort_by_domain(& $array)
-{
- $sort = array();
- foreach(array_keys($array) as $key) {
- $sort[delimiter_reverse($key)] = $key;
- }
- ksort($sort, SORT_STRING);
- $result = array();
- foreach($sort as $key) {
- $result[$key] = & $array[$key];
- }
- $array = $result;
-}
// Check responsibility-root of the FQDN
// 'foo.bar.example.com' => 'example.com' (.com has the last whois for it)
}
if (! is_string($fqdn)) return '';
- if (is_ip($fqdn)) return $fqdn;
+ if (is_ip($fqdn)) return $fqdn;
if (! isset($domain)) {
$domain = array();
--- /dev/null
+<?php
+// $Id: spam_pickup.php,v 1.51 2007/07/02 14:51:40 henoheno Exp $
+// Copyright (C) 2006-2007 PukiWiki Developers Team
+// License: GPL v2 or (at your option) any later version
+//
+// Functions for Concept-work of spam-uri metrics
+//
+
+// ---------------------
+// URI pickup
+
+// Return an array of URIs in the $string
+// [OK] http://nasty.example.org#nasty_string
+// [OK] http://nasty.example.org:80/foo/xxx#nasty_string/bar
+// [OK] ftp://nasty.example.org:80/dfsdfs
+// [OK] ftp://cnn.example.com&story=breaking_news@10.0.0.1/top_story.htm (from RFC3986)
+function uri_pickup($string = '')
+{
+ if (! is_string($string)) return array();
+
+ // Not available for: IDN(ignored)
+ $array = array();
+ preg_match_all(
+ // scheme://userinfo@host:port/path/or/pathinfo/maybefile.and?query=string#fragment
+ // Refer RFC3986 (Regex below is not strict)
+ '#(\b[a-z][a-z0-9.+-]{1,8}):[/\\\]+' . // 1: Scheme
+ '(?:' .
+ '([^\s<>"\'\[\]/\#?@]*)' . // 2: Userinfo (Username)
+ '@)?' .
+ '(' .
+ // 3: Host
+ '\[[0-9a-f:.]+\]' . '|' . // IPv6([colon-hex and dot]): RFC2732
+ '(?:[0-9]{1,3}\.){3}[0-9]{1,3}' . '|' . // IPv4(dot-decimal): 001.22.3.44
+ '[a-z0-9_-][a-z0-9_.-]+[a-z0-9_-]' . // hostname(FQDN) : foo.example.org
+ ')' .
+ '(?::([0-9]*))?' . // 4: Port
+ '((?:/+[^\s<>"\'\[\]/\#]+)*/+)?' . // 5: Directory path or path-info
+ '([^\s<>"\'\[\]\#?]+)?' . // 6: File?
+ '(?:\?([^\s<>"\'\[\]\#]+))?' . // 7: Query string
+ '(?:\#([a-z0-9._~%!$&\'()*+,;=:@-]*))?' . // 8: Fragment
+ '#i',
+ $string, $array, PREG_SET_ORDER | PREG_OFFSET_CAPTURE
+ );
+
+ // Format the $array
+ static $parts = array(
+ 1 => 'scheme', 2 => 'userinfo', 3 => 'host', 4 => 'port',
+ 5 => 'path', 6 => 'file', 7 => 'query', 8 => 'fragment'
+ );
+ $default = array('');
+ foreach(array_keys($array) as $uri) {
+ $_uri = & $array[$uri];
+ array_rename_keys($_uri, $parts, TRUE, $default);
+ $offset = $_uri['scheme'][1]; // Scheme's offset = URI's offset
+ foreach(array_keys($_uri) as $part) {
+ $_uri[$part] = & $_uri[$part][0]; // Remove offsets
+ }
+ }
+
+ foreach(array_keys($array) as $uri) {
+ $_uri = & $array[$uri];
+ if ($_uri['scheme'] === '') {
+ unset($array[$uri]); // Considererd harmless
+ continue;
+ }
+ unset($_uri[0]); // Matched string itself
+ $_uri['area']['offset'] = $offset; // Area offset for area_measure()
+ }
+
+ return $array;
+}
+
+// Pickupped URI array => An URI (See uri_pickup())
+// USAGE:
+// $pickups = uri_pickup('a string include some URIs');
+// $uris = array();
+// foreach (array_keys($pickups) as $key) {
+// $uris[$key] = uri_pickup_implode($pickups[$key]);
+// }
+function uri_pickup_implode($uri = array())
+{
+ if (empty($uri) || ! is_array($uri)) return NULL;
+
+ $tmp = array();
+ if (isset($uri['scheme']) && $uri['scheme'] !== '') {
+ $tmp[] = & $uri['scheme'];
+ $tmp[] = '://';
+ }
+ if (isset($uri['userinfo']) && $uri['userinfo'] !== '') {
+ $tmp[] = & $uri['userinfo'];
+ $tmp[] = '@';
+ }
+ if (isset($uri['host']) && $uri['host'] !== '') {
+ $tmp[] = & $uri['host'];
+ }
+ if (isset($uri['port']) && $uri['port'] !== '') {
+ $tmp[] = ':';
+ $tmp[] = & $uri['port'];
+ }
+ if (isset($uri['path']) && $uri['path'] !== '') {
+ $tmp[] = & $uri['path'];
+ }
+ if (isset($uri['file']) && $uri['file'] !== '') {
+ $tmp[] = & $uri['file'];
+ }
+ if (isset($uri['query']) && $uri['query'] !== '') {
+ $tmp[] = '?';
+ $tmp[] = & $uri['query'];
+ }
+ if (isset($uri['fragment']) && $uri['fragment'] !== '') {
+ $tmp[] = '#';
+ $tmp[] = & $uri['fragment'];
+ }
+
+ return implode('', $tmp);
+}
+
+
+// ---------------------
+// URI normalization
+
+// Normalize an array of URI arrays
+// NOTE: Give me the uri_pickup() results
+function uri_pickup_normalize(& $pickups, $destructive = TRUE)
+{
+ if (! is_array($pickups)) return $pickups;
+
+ if ($destructive) {
+ foreach (array_keys($pickups) as $key) {
+ $_key = & $pickups[$key];
+ $_key['scheme'] = isset($_key['scheme']) ? scheme_normalize($_key['scheme']) : '';
+ $_key['host'] = isset($_key['host']) ? host_normalize($_key['host']) : '';
+ $_key['port'] = isset($_key['port']) ? port_normalize($_key['port'], $_key['scheme'], FALSE) : '';
+ $_key['path'] = isset($_key['path']) ? strtolower(path_normalize($_key['path'])) : '';
+ $_key['file'] = isset($_key['file']) ? file_normalize($_key['file']) : '';
+ $_key['query'] = isset($_key['query']) ? query_normalize($_key['query']) : '';
+ $_key['fragment'] = isset($_key['fragment']) ? strtolower($_key['fragment']) : '';
+ }
+ } else {
+ foreach (array_keys($pickups) as $key) {
+ $_key = & $pickups[$key];
+ $_key['scheme'] = isset($_key['scheme']) ? scheme_normalize($_key['scheme']) : '';
+ $_key['host'] = isset($_key['host']) ? strtolower($_key['host']) : '';
+ $_key['port'] = isset($_key['port']) ? port_normalize($_key['port'], $_key['scheme'], FALSE) : '';
+ $_key['path'] = isset($_key['path']) ? path_normalize($_key['path']) : '';
+ }
+ }
+
+ return $pickups;
+}
+
+// Scheme normalization: Renaming the schemes
+// snntp://example.org => nntps://example.org
+// NOTE: Keep the static lists simple. See also port_normalize().
+function scheme_normalize($scheme = '', $abbrevs_harmfull = TRUE)
+{
+ // Abbreviations they have no intention of link
+ static $abbrevs = array(
+ 'ttp' => 'http',
+ 'ttps' => 'https',
+ );
+
+ // Aliases => normalized ones
+ static $aliases = array(
+ 'pop' => 'pop3',
+ 'news' => 'nntp',
+ 'imap4' => 'imap',
+ 'snntp' => 'nntps',
+ 'snews' => 'nntps',
+ 'spop3' => 'pop3s',
+ 'pops' => 'pop3s',
+ );
+
+ if (! is_string($scheme)) return '';
+
+ $scheme = strtolower($scheme);
+ if (isset($abbrevs[$scheme])) {
+ $scheme = $abbrevs_harmfull ? $abbrevs[$scheme] : '';
+ }
+ if (isset($aliases[$scheme])) {
+ $scheme = $aliases[$scheme];
+ }
+
+ return $scheme;
+}
+
+// Hostname normlization (Destructive)
+// www.foo => www.foo ('foo' seems TLD)
+// www.foo.bar => foo.bar
+// www.10.20 => www.10.20 (Invalid hostname)
+// NOTE:
+// 'www' is mostly used as traditional hostname of WWW server.
+// 'www.foo.bar' may be identical with 'foo.bar'.
+function host_normalize($host = '')
+{
+ if (! is_string($host)) return '';
+
+ $host = strtolower($host);
+ $matches = array();
+ if (preg_match('/^www\.(.+\.[a-z]+)$/', $host, $matches)) {
+ return $matches[1];
+ } else {
+ return $host;
+ }
+}
+
+// Port normalization: Suppress the (redundant) default port
+// HTTP://example.org:80/ => http://example.org/
+// HTTP://example.org:8080/ => http://example.org:8080/
+// HTTPS://example.org:443/ => https://example.org/
+function port_normalize($port, $scheme, $scheme_normalize = FALSE)
+{
+ // Schemes that users _maybe_ want to add protocol-handlers
+ // to their web browsers. (and attackers _maybe_ want to use ...)
+ // Reference: http://www.iana.org/assignments/port-numbers
+ static $array = array(
+ // scheme => default port
+ 'ftp' => 21,
+ 'ssh' => 22,
+ 'telnet' => 23,
+ 'smtp' => 25,
+ 'tftp' => 69,
+ 'gopher' => 70,
+ 'finger' => 79,
+ 'http' => 80,
+ 'pop3' => 110,
+ 'sftp' => 115,
+ 'nntp' => 119,
+ 'imap' => 143,
+ 'irc' => 194,
+ 'wais' => 210,
+ 'https' => 443,
+ 'nntps' => 563,
+ 'rsync' => 873,
+ 'ftps' => 990,
+ 'telnets' => 992,
+ 'imaps' => 993,
+ 'ircs' => 994,
+ 'pop3s' => 995,
+ 'mysql' => 3306,
+ );
+
+ // intval() converts '0-1' to '0', so preg_match() rejects these invalid ones
+ if (! is_numeric($port) || $port < 0 || preg_match('/[^0-9]/i', $port))
+ return '';
+
+ $port = intval($port);
+ if ($scheme_normalize) $scheme = scheme_normalize($scheme);
+ if (isset($array[$scheme]) && $port == $array[$scheme])
+ $port = ''; // Ignore the defaults
+
+ return $port;
+}
+
+// Path normalization
+// http://example.org => http://example.org/
+// http://example.org#hoge => http://example.org/#hoge
+// http://example.org/path/a/b/./c////./d => http://example.org/path/a/b/c/d
+// http://example.org/path/../../a/../back => http://example.org/back
+function path_normalize($path = '', $divider = '/', $add_root = TRUE)
+{
+ if (! is_string($divider)) return is_string($path) ? $path : '';
+
+ if ($add_root) {
+ $first_div = & $divider;
+ } else {
+ $first_div = '';
+ }
+ if (! is_string($path) || $path == '') return $first_div;
+
+ if (strpos($path, $divider, strlen($path) - strlen($divider)) === FALSE) {
+ $last_div = '';
+ } else {
+ $last_div = & $divider;
+ }
+
+ $array = explode($divider, $path);
+
+ // Remove paddings ('//' and '/./')
+ foreach(array_keys($array) as $key) {
+ if ($array[$key] == '' || $array[$key] == '.') {
+ unset($array[$key]);
+ }
+ }
+
+ // Remove back-tracks ('/../')
+ $tmp = array();
+ foreach($array as $value) {
+ if ($value == '..') {
+ array_pop($tmp);
+ } else {
+ array_push($tmp, $value);
+ }
+ }
+ $array = & $tmp;
+
+ if (empty($array)) {
+ return $first_div;
+ } else {
+ return $first_div . implode($divider, $array) . $last_div;
+ }
+}
+
+// DirectoryIndex normalize (Destructive and rough)
+// TODO: sample.en.ja.html.gz => sample.html
+function file_normalize($file = 'index.html.en')
+{
+ static $simple_defaults = array(
+ 'default.htm' => TRUE,
+ 'default.html' => TRUE,
+ 'default.asp' => TRUE,
+ 'default.aspx' => TRUE,
+ 'index' => TRUE, // Some system can omit the suffix
+ );
+
+ static $content_suffix = array(
+ // index.xxx, sample.xxx
+ 'htm' => TRUE,
+ 'html' => TRUE,
+ 'shtml' => TRUE,
+ 'jsp' => TRUE,
+ 'php' => TRUE,
+ 'php3' => TRUE,
+ 'php4' => TRUE,
+ 'pl' => TRUE,
+ 'py' => TRUE,
+ 'rb' => TRUE,
+ 'cgi' => TRUE,
+ 'xml' => TRUE,
+ );
+
+ static $language_suffix = array(
+ // Reference: Apache 2.0.59 'AddLanguage' default
+ 'ca' => TRUE,
+ 'cs' => TRUE, // cs
+ 'cz' => TRUE, // cs
+ 'de' => TRUE,
+ 'dk' => TRUE, // da
+ 'el' => TRUE,
+ 'en' => TRUE,
+ 'eo' => TRUE,
+ 'es' => TRUE,
+ 'et' => TRUE,
+ 'fr' => TRUE,
+ 'he' => TRUE,
+ 'hr' => TRUE,
+ 'it' => TRUE,
+ 'ja' => TRUE,
+ 'ko' => TRUE,
+ 'ltz' => TRUE,
+ 'nl' => TRUE,
+ 'nn' => TRUE,
+ 'no' => TRUE,
+ 'po' => TRUE,
+ 'pt' => TRUE,
+ 'pt-br' => TRUE,
+ 'ru' => TRUE,
+ 'sv' => TRUE,
+ 'zh-cn' => TRUE,
+ 'zh-tw' => TRUE,
+
+ // Reference: Apache 2.0.59 default 'index.html' variants
+ 'ee' => TRUE,
+ 'lb' => TRUE,
+ 'var' => TRUE,
+ );
+
+ static $charset_suffix = array(
+ // Reference: Apache 2.0.59 'AddCharset' default
+ 'iso8859-1' => TRUE, // ISO-8859-1
+ 'latin1' => TRUE, // ISO-8859-1
+ 'iso8859-2' => TRUE, // ISO-8859-2
+ 'latin2' => TRUE, // ISO-8859-2
+ 'cen' => TRUE, // ISO-8859-2
+ 'iso8859-3' => TRUE, // ISO-8859-3
+ 'latin3' => TRUE, // ISO-8859-3
+ 'iso8859-4' => TRUE, // ISO-8859-4
+ 'latin4' => TRUE, // ISO-8859-4
+ 'iso8859-5' => TRUE, // ISO-8859-5
+ 'latin5' => TRUE, // ISO-8859-5
+ 'cyr' => TRUE, // ISO-8859-5
+ 'iso-ru' => TRUE, // ISO-8859-5
+ 'iso8859-6' => TRUE, // ISO-8859-6
+ 'latin6' => TRUE, // ISO-8859-6
+ 'arb' => TRUE, // ISO-8859-6
+ 'iso8859-7' => TRUE, // ISO-8859-7
+ 'latin7' => TRUE, // ISO-8859-7
+ 'grk' => TRUE, // ISO-8859-7
+ 'iso8859-8' => TRUE, // ISO-8859-8
+ 'latin8' => TRUE, // ISO-8859-8
+ 'heb' => TRUE, // ISO-8859-8
+ 'iso8859-9' => TRUE, // ISO-8859-9
+ 'latin9' => TRUE, // ISO-8859-9
+ 'trk' => TRUE, // ISO-8859-9
+ 'iso2022-jp'=> TRUE, // ISO-2022-JP
+ 'jis' => TRUE, // ISO-2022-JP
+ 'iso2022-kr'=> TRUE, // ISO-2022-KR
+ 'kis' => TRUE, // ISO-2022-KR
+ 'iso2022-cn'=> TRUE, // ISO-2022-CN
+ 'cis' => TRUE, // ISO-2022-CN
+ 'big5' => TRUE,
+ 'cp-1251' => TRUE, // ru, WINDOWS-1251
+ 'win-1251' => TRUE, // ru, WINDOWS-1251
+ 'cp866' => TRUE, // ru
+ 'koi8-r' => TRUE, // ru, KOI8-r
+ 'koi8-ru' => TRUE, // ru, KOI8-r
+ 'koi8-uk' => TRUE, // ru, KOI8-ru
+ 'ua' => TRUE, // ru, KOI8-ru
+ 'ucs2' => TRUE, // ru, ISO-10646-UCS-2
+ 'ucs4' => TRUE, // ru, ISO-10646-UCS-4
+ 'utf8' => TRUE,
+
+ // Reference: Apache 2.0.59 default 'index.html' variants
+ 'euc-kr' => TRUE,
+ 'gb2312' => TRUE,
+ );
+
+ // May uncompress by web browsers on the fly
+ // Must be at the last of the filename
+ // Reference: Apache 2.0.59 'AddEncoding'
+ static $encoding_suffix = array(
+ 'z' => TRUE,
+ 'gz' => TRUE,
+ );
+
+ if (! is_string($file)) return '';
+ $_file = strtolower($file);
+ if (isset($simple_defaults[$_file])) return '';
+
+ // Roughly removing language/character-set/encoding suffixes
+ // References:
+ // * Apache 2 document about 'Content-negotiaton', 'mod_mime' and 'mod_negotiation'
+ // http://httpd.apache.org/docs/2.0/content-negotiation.html
+ // http://httpd.apache.org/docs/2.0/mod/mod_mime.html
+ // http://httpd.apache.org/docs/2.0/mod/mod_negotiation.html
+ // * http://www.iana.org/assignments/character-sets
+ // * RFC3066: Tags for the Identification of Languages
+ // http://www.ietf.org/rfc/rfc3066.txt
+ // * ISO 639: codes of 'language names'
+ $suffixes = explode('.', $_file);
+ $body = array_shift($suffixes);
+ if ($suffixes) {
+ // Remove the last .gz/.z
+ $last_key = end(array_keys($suffixes));
+ if (isset($encoding_suffix[$suffixes[$last_key]])) {
+ unset($suffixes[$last_key]);
+ }
+ }
+ // Cut language and charset suffixes
+ foreach($suffixes as $key => $value){
+ if (isset($language_suffix[$value]) || isset($charset_suffix[$value])) {
+ unset($suffixes[$key]);
+ }
+ }
+ if (empty($suffixes)) return $body;
+
+ // Index.xxx
+ $count = count($suffixes);
+ reset($suffixes);
+ $current = current($suffixes);
+ if ($body == 'index' && $count == 1 && isset($content_suffix[$current])) return '';
+
+ return $file;
+}
+
+// Sort query-strings if possible (Destructive and rough)
+// [OK] &&&&f=d&b&d&c&a=0dd => a=0dd&b&c&d&f=d
+// [OK] nothing==&eg=dummy&eg=padding&eg=foobar => eg=foobar
+function query_normalize($string = '', $equal = TRUE, $equal_cutempty = TRUE, $stortolower = TRUE)
+{
+ if (! is_string($string)) return '';
+ if ($stortolower) $string = strtolower($string);
+
+ $array = explode('&', $string);
+
+ // Remove '&' paddings
+ foreach(array_keys($array) as $key) {
+ if ($array[$key] == '') {
+ unset($array[$key]);
+ }
+ }
+
+ // Consider '='-sepalated input and paddings
+ if ($equal) {
+ $equals = $not_equals = array();
+ foreach ($array as $part) {
+ if (strpos($part, '=') === FALSE) {
+ $not_equals[] = $part;
+ } else {
+ list($key, $value) = explode('=', $part, 2);
+ $value = ltrim($value, '=');
+ if (! $equal_cutempty || $value != '') {
+ $equals[$key] = $value;
+ }
+ }
+ }
+
+ $array = & $not_equals;
+ foreach ($equals as $key => $value) {
+ $array[] = $key . '=' . $value;
+ }
+ unset($equals);
+ }
+
+ natsort($array);
+ return implode('&', $array);
+}
+
+// ---------------------
+// Area pickup
+
+// Pickup all of markup areas
+function area_pickup($string = '', $method = array())
+{
+ $area = array();
+ if (empty($method)) return $area;
+
+ // Anchor tag pair by preg_match and preg_match_all()
+ // [OK] <a href></a>
+ // [OK] <a href= >Good site!</a>
+ // [OK] <a href= "#" >test</a>
+ // [OK] <a href="http://nasty.example.com">visit http://nasty.example.com/</a>
+ // [OK] <a href=\'http://nasty.example.com/\' >discount foobar</a>
+ // [NG] <a href="http://ng.example.com">visit http://ng.example.com _not_ended_
+ $regex = '#<a\b[^>]*\bhref\b[^>]*>.*?</a\b[^>]*(>)#is';
+ if (isset($method['area_anchor'])) {
+ $areas = array();
+ $count = isset($method['asap']) ?
+ preg_match($regex, $string) :
+ preg_match_all($regex, $string, $areas);
+ if (! empty($count)) $area['area_anchor'] = $count;
+ }
+ if (isset($method['uri_anchor'])) {
+ $areas = array();
+ preg_match_all($regex, $string, $areas, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
+ foreach(array_keys($areas) as $_area) {
+ $areas[$_area] = array(
+ $areas[$_area][0][1], // Area start (<a href>)
+ $areas[$_area][1][1], // Area end (</a>)
+ );
+ }
+ if (! empty($areas)) $area['uri_anchor'] = $areas;
+ }
+
+ // phpBB's "BBCode" pair by preg_match and preg_match_all()
+ // [OK] [url][/url]
+ // [OK] [url]http://nasty.example.com/[/url]
+ // [OK] [link]http://nasty.example.com/[/link]
+ // [OK] [url=http://nasty.example.com]visit http://nasty.example.com/[/url]
+ // [OK] [link http://nasty.example.com/]buy something[/link]
+ $regex = '#\[(url|link)\b[^\]]*\].*?\[/\1\b[^\]]*(\])#is';
+ if (isset($method['area_bbcode'])) {
+ $areas = array();
+ $count = isset($method['asap']) ?
+ preg_match($regex, $string) :
+ preg_match_all($regex, $string, $areas, PREG_SET_ORDER);
+ if (! empty($count)) $area['area_bbcode'] = $count;
+ }
+ if (isset($method['uri_bbcode'])) {
+ $areas = array();
+ preg_match_all($regex, $string, $areas, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
+ foreach(array_keys($areas) as $_area) {
+ $areas[$_area] = array(
+ $areas[$_area][0][1], // Area start ([url])
+ $areas[$_area][2][1], // Area end ([/url])
+ );
+ }
+ if (! empty($areas)) $area['uri_bbcode'] = $areas;
+ }
+
+ // Various Wiki syntax
+ // [text_or_uri>text_or_uri]
+ // [text_or_uri:text_or_uri]
+ // [text_or_uri|text_or_uri]
+ // [text_or_uri->text_or_uri]
+ // [text_or_uri text_or_uri] // MediaWiki
+ // MediaWiki: [http://nasty.example.com/ visit http://nasty.example.com/]
+
+ return $area;
+}
+
+// If in doubt, it's a little doubtful
+// if (Area => inside <= Area) $brief += -1
+function area_measure($areas, & $array, $belief = -1, $a_key = 'area', $o_key = 'offset')
+{
+ if (! is_array($areas) || ! is_array($array)) return;
+
+ $areas_keys = array_keys($areas);
+ foreach(array_keys($array) as $u_index) {
+ $offset = isset($array[$u_index][$o_key]) ?
+ intval($array[$u_index][$o_key]) : 0;
+ foreach($areas_keys as $a_index) {
+ if (isset($array[$u_index][$a_key])) {
+ $offset_s = intval($areas[$a_index][0]);
+ $offset_e = intval($areas[$a_index][1]);
+ // [Area => inside <= Area]
+ if ($offset_s < $offset && $offset < $offset_e) {
+ $array[$u_index][$a_key] += $belief;
+ }
+ }
+ }
+ }
+}
+
+
+// ---------------------
+// Spam-uri pickup
+
+// Preprocess: Removing uninterest part for URI detection
+function spam_uri_removing_hocus_pocus($binary = '', $method = array())
+{
+ $length = 4 ; // 'http'(1) and '://'(2) and 'fqdn'(1)
+ if (is_array($method)) {
+ // '<a'(2) or 'href='(5) or '>'(1) or '</a>'(4)
+ // '[uri'(4) or ']'(1) or '[/uri]'(6)
+ if (isset($method['area_anchor']) || isset($method['uri_anchor']) ||
+ isset($method['area_bbcode']) || isset($method['uri_bbcode']))
+ $length = 1; // Seems not effective
+ }
+
+ // Removing sequential spaces and too short lines
+ $binary = strings($binary, $length, TRUE, FALSE); // Multibyte NOT needed
+
+ // Remove words (has no '<>[]:') between spaces
+ $binary = preg_replace('/[ \t][\w.,()\ \t]+[ \t]/', ' ', $binary);
+
+ return $binary;
+}
+
+// Preprocess: Domain exposure callback (See spam_uri_pickup_preprocess())
+// http://victim.example.org/?foo+site:nasty.example.com+bar
+// => http://nasty.example.com/?refer=victim.example.org
+// NOTE: 'refer=' is not so good for (at this time).
+// Consider about using IP address of the victim, try to avoid that.
+function _preg_replace_callback_domain_exposure($matches = array())
+{
+ $result = '';
+
+ // Preserve the victim URI as a complicity or ...
+ if (isset($matches[5])) {
+ $result =
+ $matches[1] . '://' . // scheme
+ $matches[2] . '/' . // victim.example.org
+ $matches[3]; // The rest of all (before victim)
+ }
+
+ // Flipped URI
+ if (isset($matches[4])) {
+ $result =
+ $matches[1] . '://' . // scheme
+ $matches[4] . // nasty.example.com
+ '/?refer=' . strtolower($matches[2]) . // victim.example.org
+ ' ' . $result;
+ }
+
+ return $result;
+}
+
+// Preprocess: rawurldecode() and adding space(s) and something
+// to detect/count some URIs _if possible_
+// NOTE: It's maybe danger to var_dump(result). [e.g. 'javascript:']
+// [OK] http://victim.example.org/?site:nasty.example.org
+// [OK] http://victim.example.org/nasty.example.org
+// [OK] http://victim.example.org/go?http%3A%2F%2Fnasty.example.org
+// [OK] http://victim.example.org/http://nasty.example.org
+function spam_uri_pickup_preprocess($string = '', $method = array())
+{
+ if (! is_string($string)) return '';
+
+ $string = spam_uri_removing_hocus_pocus(rawurldecode($string), $method);
+ //var_dump(htmlspecialchars($string));
+
+ // Domain exposure (simple)
+ // http://victim.example.org/nasty.example.org/path#frag
+ // => http://nasty.example.org/?refer=victim.example.org and original
+ $string = preg_replace(
+ '#h?ttp://' .
+ '(' .
+ 'ime\.nu' . '|' . // 2ch.net
+ 'ime\.st' . '|' . // 2ch.net
+ 'link\.toolbot\.com' . '|' .
+ 'urlx\.org' .
+ ')' .
+ '/([a-z0-9.%_-]+\.[a-z0-9.%_-]+)#i', // nasty.example.org
+ 'http://$2/?refer=$1 $0', // Preserve $0 or remove?
+ $string
+ );
+
+ // Domain exposure (gate-big5)
+ // http://victim.example.org/gate/big5/nasty.example.org/path
+ // => http://nasty.example.org/?refer=victim.example.org and original
+ $string = preg_replace(
+ '#h?ttp://' .
+ '(' .
+ 'big5.51job.com' . '|' .
+ 'big5.china.com' . '|' .
+ 'big5.xinhuanet.com' . '|' .
+ ')' .
+ '/gate/big5' .
+ '/([a-z0-9.%_-]+\.[a-z0-9.%_-]+)' .
+ '#i', // nasty.example.org
+ 'http://$2/?refer=$1 $0', // Preserve $0 or remove?
+ $string
+ );
+
+ // Domain exposure (site:) See _preg_replace_callback_domain_exposure()
+ $string = preg_replace_callback(
+ array(
+ '#(h?ttp)://' . // 1:Scheme
+ // 2:Host
+ '(' .
+ '(?:[a-z0-9_.-]+\.)?[a-z0-9_-]+\.[a-z0-9_-]+' .
+ // Something Google: http://www.google.com/supported_domains
+ // AltaVista: http://es.altavista.com/web/results?q=site%3Anasty.example.org+foobar
+ // Live Search: search.live.com
+ // MySpace: http://sads.myspace.com/Modules/Search/Pages/Search.aspx?_snip_&searchString=site:nasty.example.org
+ // (also searchresults.myspace.com)
+ // alltheweb.com
+ // search.bbc.co.uk
+ // search.orange.co.uk
+ // ...
+ ')' .
+ '/' .
+ '([a-z0-9?=&.%_/\'\\\+-]+)' . // 3:path/?query=foo+bar+
+ '\bsite:([a-z0-9.%_-]+\.[a-z0-9.%_-]+)' . // 4:site:nasty.example.com
+ '()' . // 5:Preserve or remove?
+ '#i',
+ ),
+ '_preg_replace_callback_domain_exposure',
+ $string
+ );
+
+ // URI exposure (uriuri => uri uri)
+ $string = preg_replace(
+ array(
+ '#(?<! )(?:https?|ftp):/#i',
+ // '#[a-z][a-z0-9.+-]{1,8}://#i',
+ // '#[a-z][a-z0-9.+-]{1,8}://#i'
+ ),
+ ' $0',
+ $string
+ );
+
+ return $string;
+}
+
+// Main function of spam-uri pickup,
+// A wrapper function of uri_pickup()
+function spam_uri_pickup($string = '', $method = array())
+{
+ if (! is_array($method) || empty($method)) {
+ $method = check_uri_spam_method();
+ }
+
+ $string = spam_uri_pickup_preprocess($string, $method);
+
+ $array = uri_pickup($string);
+
+ // Area elevation of URIs, for '(especially external)link' intension
+ if (! empty($array)) {
+ $_method = array();
+ if (isset($method['uri_anchor'])) $_method['uri_anchor'] = & $method['uri_anchor'];
+ if (isset($method['uri_bbcode'])) $_method['uri_bbcode'] = & $method['uri_bbcode'];
+ $areas = area_pickup($string, $_method, TRUE);
+ if (! empty($areas)) {
+ $area_shadow = array();
+ foreach (array_keys($array) as $key) {
+ $area_shadow[$key] = & $array[$key]['area'];
+ foreach (array_keys($_method) as $_key) {
+ $area_shadow[$key][$_key] = 0;
+ }
+ }
+ foreach (array_keys($_method) as $_key) {
+ if (isset($areas[$_key])) {
+ area_measure($areas[$_key], $area_shadow, 1, $_key);
+ }
+ }
+ }
+ }
+
+ // Remove 'offset's for area_measure()
+ foreach(array_keys($array) as $key)
+ unset($array[$key]['area']['offset']);
+
+ return $array;
+}
+
+?>