2 // $Id: spam.php,v 1.203 2008/12/27 11:20:06 henoheno Exp $
3 // Copyright (C) 2006-2007 PukiWiki Developers Team
4 // License: GPL v2 or (at your option) any later version
6 // Functions for Concept-work of spam-uri metrics
8 // (PHP 4 >= 4.3.0): preg_match_all(PREG_OFFSET_CAPTURE): $method['uri_XXX'] related feature
10 if (! defined('SPAM_INI_FILE')) define('SPAM_INI_FILE', 'spam.ini.php');
11 if (! defined('DOMAIN_INI_FILE')) define('DOMAIN_INI_FILE', 'domain.ini.php');
13 // ---------------------
16 // (PHP 4 >= 4.2.0): var_export(): mail-reporting and dump related
17 if (! function_exists('var_export')) {
18 function var_export() {
19 return 'var_export() is not found on this server' . "\n";
23 // (PHP 4 >= 4.2.0): preg_grep() enables invert option
24 function preg_grep_invert($pattern = '//', $input = array())
27 if (! isset($invert)) $invert = defined('PREG_GREP_INVERT');
30 return preg_grep($pattern, $input, PREG_GREP_INVERT);
32 $result = preg_grep($pattern, $input);
34 return array_diff($input, preg_grep($pattern, $input));
42 // ---------------------
45 // Very roughly, shrink the lines of var_export()
46 // NOTE: If the same data exists, it must be corrupted.
47 function var_export_shrink($expression, $return = FALSE, $ignore_numeric_keys = FALSE)
49 $result = var_export($expression, TRUE);
51 $result = preg_replace(
52 // Remove a newline and spaces
53 '# => \n *array \(#', ' => array (',
57 if ($ignore_numeric_keys) {
58 $result =preg_replace(
59 // Remove numeric keys
60 '#^( *)[0-9]+ => #m', '$1',
73 // Data structure: Create an array they _refer_only_one_ value
74 function one_value_array($num = 0, $value = NULL)
76 $num = max(0, intval($num));
79 for ($i = 0; $i < $num; $i++) {
86 // Reverse $string with specified delimiter
87 function delimiter_reverse($string = 'foo.bar.example.com', $from_delim = '.', $to_delim = NULL)
89 $to_null = ($to_delim === NULL);
91 if (! is_string($from_delim) || (! $to_null && ! is_string($to_delim))) {
94 if (is_array($string)) {
96 $count = count($string);
97 $from = one_value_array($count, $from_delim);
99 // Note: array_map() vanishes all keys
100 return array_map('delimiter_reverse', $string, $from);
102 $to = one_value_array($count, $to_delim);
103 // Note: array_map() vanishes all keys
104 return array_map('delimiter_reverse', $string, $from, $to);
107 if (! is_string($string)) {
111 // Returns com.example.bar.foo
112 if ($to_null) $to_delim = & $from_delim;
113 return implode($to_delim, array_reverse(explode($from_delim, $string)));
117 function ksort_by_domain(& $array)
120 foreach(array_keys($array) as $key) {
121 $sort[delimiter_reverse($key)] = $key;
123 ksort($sort, SORT_STRING);
126 foreach($sort as $key) {
127 $result[$key] = & $array[$key];
133 // Roughly strings(1) using PCRE
134 // This function is useful to:
135 // * Reduce the size of data, from removing unprintable binary data
136 // * Detect _bare_strings_ from binary data
138 // http://www.freebsd.org/cgi/man.cgi?query=strings (Man-page of GNU strings)
139 // http://www.pcre.org/pcre.txt
140 // Note: mb_ereg_replace() is one of mbstring extension's functions
141 // and need to init its encoding.
142 function strings($binary = '', $min_len = 4, $ignore_space = FALSE, $multibyte = FALSE)
145 $binary = (is_array($binary) || $binary === TRUE) ? '' : strval($binary);
147 $regex = $ignore_space ?
148 '[^[:graph:] \t\n]+' : // Remove "\0" etc, and readable spaces
149 '[^[:graph:][:space:]]+'; // Preserve readable spaces if possible
151 $binary = $multibyte ?
152 mb_ereg_replace($regex, "\n", $binary) :
153 preg_replace('/' . $regex . '/s', "\n", $binary);
156 $binary = preg_replace(
171 // The last character seems "\n" or not
172 $br = (! empty($binary) && $binary[strlen($binary) - 1] == "\n") ? "\n" : '';
174 $min_len = min(1024, intval($min_len));
175 $regex = '/^.{' . $min_len . ',}/S';
176 $binary = implode("\n", preg_grep($regex, explode("\n", $binary))) . $br;
183 // ---------------------
186 // Count leaves (A leaf = value that is not an array, or an empty array)
187 function array_count_leaves($array = array(), $count_empty = FALSE)
189 if (! is_array($array) || (empty($array) && $count_empty)) return 1;
193 foreach ($array as $part) {
194 $count += array_count_leaves($part, $count_empty);
200 // Similar to PHP array_merge_leaves(), except strictly preserving keys as string
201 function array_merge_leaves($array1, $array2, $sort_keys = TRUE)
204 $is_array1 = is_array($array1);
205 $is_array2 = is_array($array2);
212 } else if ($is_array2) {
215 return $array2; // Not array ($array1 is overwritten)
218 $keys_all = array_merge(array_keys($array1), array_keys($array2));
219 if ($sort_keys) sort($keys_all, SORT_STRING);
222 foreach($keys_all as $key) {
223 $isset1 = isset($array1[$key]);
224 $isset2 = isset($array2[$key]);
225 if ($isset1 && $isset2) {
227 $result[$key] = array_merge_leaves($array1[$key], $array2[$key], $sort_keys);
228 } else if ($isset1) {
229 $result[$key] = & $array1[$key];
231 $result[$key] = & $array2[$key];
237 // An array-leaves to a flat array
238 function array_flat_leaves($array, $unique = TRUE)
240 if (! is_array($array)) return $array;
243 foreach(array_keys($array) as $key) {
244 if (is_array($array[$key])) {
246 foreach(array_flat_leaves($array[$key]) as $_value) {
250 $tmp[] = & $array[$key];
254 return $unique ? array_values(array_unique($tmp)) : $tmp;
257 // $array['something'] => $array['wanted']
258 function array_rename_keys(& $array, $keys = array('from' => 'to'), $force = FALSE, $default = '')
260 if (! is_array($array) || ! is_array($keys)) return FALSE;
262 // Nondestructive test
264 foreach(array_keys($keys) as $from) {
265 if (! isset($array[$from])) {
271 foreach($keys as $from => $to) {
272 if ($from === $to) continue;
273 if (! $force || isset($array[$from])) {
274 $array[$to] = & $array[$from];
275 unset($array[$from]);
277 $array[$to] = $default;
284 // Remove redundant values from array()
285 function array_unique_recursive($array = array())
287 if (! is_array($array)) return $array;
290 foreach($array as $key => $value){
291 if (is_array($value)) {
292 $array[$key] = array_unique_recursive($value);
294 if (isset($tmp[$value])) {
306 // ---------------------
307 // Part One : Checker
309 // Rough implementation of globbing
311 // USAGE: $regex = '/^' . generate_glob_regex('*.txt', '/') . '$/i';
313 function generate_glob_regex($string = '', $divider = '/')
315 static $from = array(
318 // 22 => '[', // Maybe cause regex compilation error (e.g. '[]')
334 if (! is_string($string)) return '';
336 $string = str_replace($from, $mid, $string); // Hide
337 $string = preg_quote($string, $divider);
338 $string = str_replace($mid, $to, $string); // Unhide
343 // Generate host (FQDN, IPv4, ...) regex
344 // 'localhost' : Matches with 'localhost' only
345 // 'example.org' : Matches with 'example.org' only (See host_normalize() about 'www')
346 // '.example.org' : Matches with ALL FQDN ended with '.example.org'
347 // '*.example.org' : Almost the same of '.example.org' except 'www.example.org'
348 // '10.20.30.40' : Matches with IPv4 address '10.20.30.40' only
349 // [TODO] '192.' : Matches with all IPv4 hosts started with '192.'
350 // TODO: IPv4, CIDR?, IPv6
351 function generate_host_regex($string = '', $divider = '/')
353 if (! is_string($string)) return '';
355 if (mb_strpos($string, '.') === FALSE)
356 return generate_glob_regex($string, $divider);
358 if (is_ip($string)) {
360 return generate_glob_regex($string, $divider);
363 $part = explode('.', $string, 2);
364 if ($part[0] == '') {
365 $part[0] = '(?:.*\.)?'; // And all related FQDN
366 } else if ($part[0] == '*') {
367 $part[0] = '.*\.'; // All subdomains/hosts only
369 return generate_glob_regex($string, $divider);
371 $part[1] = generate_glob_regex($part[1], $divider);
372 return implode('', $part);
376 // Rough hostname checker
378 // TODO: Strict digit, 0x, CIDR, IPv6
379 function is_ip($string = '')
381 if (preg_match('/^' .
382 '(?:[0-9]{1,3}\.){3}[0-9]{1,3}' . '|' .
383 '(?:[0-9]{1,3}\.){1,3}' . '$/',
385 return 4; // Seems IPv4(dot-decimal)
387 return 0; // Seems not IP
391 function get_blocklist($list = '')
395 if ($list === NULL) {
396 $regexes = NULL; // Unset
400 if (! isset($regexes)) {
402 if (file_exists(SPAM_INI_FILE)) {
403 $blocklist = array();
404 include(SPAM_INI_FILE);
405 // $blocklist['list'] = array(
406 // //'goodhost' => FALSE;
407 // 'badhost' => TRUE;
409 // $blocklist['badhost'] = array(
410 // '*.blogspot.com', // Blog services's subdomains (only)
411 // 'IANA-examples' => '#^(?:.*\.)?example\.(?:com|net|org)$#',
413 foreach(array('pre', 'list') as $special) {
414 if (! isset($blocklist[$special])) continue;
415 $regexes[$special] = $blocklist[$special];
416 foreach(array_keys($blocklist[$special]) as $_list) {
417 if (! isset($blocklist[$_list])) continue;
418 foreach ($blocklist[$_list] as $key => $value) {
419 if (is_array($value)) {
420 $regexes[$_list][$key] = array();
421 foreach($value as $_key => $_value) {
422 get_blocklist_add($regexes[$_list][$key], $_key, $_value);
425 get_blocklist_add($regexes[$_list], $key, $value);
428 unset($blocklist[$_list]);
435 return $regexes; // ALL
436 } else if (isset($regexes[$list])) {
437 return $regexes[$list];
443 // Subroutine of get_blocklist()
444 function get_blocklist_add(& $array, $key = 0, $value = '*.example.org')
446 if (is_string($key)) {
447 $array[$key] = & $value; // Treat $value as a regex
449 $array[$value] = '/^' . generate_host_regex($value, '/') . '$/i';
453 // Blocklist metrics: Separate $host, to $blocked and not blocked
454 function blocklist_distiller(& $hosts, $keys = array('goodhost', 'badhost'), $asap = FALSE)
456 if (! is_array($hosts)) $hosts = array($hosts);
457 if (! is_array($keys)) $keys = array($keys);
459 $list = get_blocklist('list');
462 foreach($keys as $key){
463 foreach (get_blocklist($key) as $label => $regex) {
464 if (is_array($regex)) {
465 foreach($regex as $_label => $_regex) {
466 $group = preg_grep($_regex, $hosts);
468 $hosts = array_diff($hosts, $group);
469 $blocked[$key][$label][$_label] = $group;
470 if ($asap && $list[$key]) break;
474 $group = preg_grep($regex, $hosts);
476 $hosts = array_diff($hosts, $group);
477 $blocked[$key][$label] = $group;
478 if ($asap && $list[$key]) break;
488 // ---------------------
491 // Default (enabled) methods and thresholds (for content insertion)
492 function check_uri_spam_method($times = 1, $t_area = 0, $rule = TRUE)
494 $times = intval($times);
495 $t_area = intval($t_area);
499 'quantity' => 8 * $times, // Allow N URIs
500 'non_uniqhost' => 3 * $times, // Allow N duped (and normalized) Hosts
501 //'non_uniquri'=> 3 * $times, // Allow N duped (and normalized) URIs
504 'area_anchor' => $t_area, // Using <a href> HTML tag
505 'area_bbcode' => $t_area, // Using [url] or [link] BBCode
506 //'uri_anchor' => $t_area, // URI inside <a href> HTML tag
507 //'uri_bbcode' => $t_area, // URI inside [url] or [link] BBCode
512 //'asap' => TRUE, // Quit or return As Soon As Possible
513 'uniqhost' => TRUE, // Show uniq host (at block notification mail)
514 'badhost' => TRUE, // Check badhost
520 // Remove non-$positive values
521 foreach (array_keys($positive) as $key) {
522 if ($positive[$key] < 0) unset($positive[$key]);
525 return $positive + $bool;
528 // Simple/fast spam check
529 function check_uri_spam($target = '', $method = array())
534 // Theme to do => Dummy, optional value, or optional array()
536 //'uniqhost' => TRUE,
537 //'non_uniqhost'=> 3,
538 //'non_uniquri' => 3,
540 //'area_anchor' => 0,
541 //'area_bbcode' => 0,
546 // Theme => Volume found (int)
549 // Flag. If someting defined here,
550 // one or more spam will be included
555 //'category' => array(
564 // ----------------------------------------
567 $sum = & $progress['sum'];
568 $is_spam = & $progress['is_spam'];
569 $progress['method'] = & $method; // Argument
570 $blocked = & $progress['blocked'];
571 $hosts = & $progress['hosts'];
572 $asap = isset($method['asap']);
574 // ----------------------------------------
577 if (! is_array($method) || empty($method)) {
578 $method = check_uri_spam_method();
580 foreach(array_keys($method) as $key) {
581 if (! isset($sum[$key])) $sum[$key] = 0;
583 if (! isset($sum['quantity'])) $sum['quantity'] = 0;
585 // ----------------------------------------
588 if (is_array($target)) {
589 foreach($target as $str) {
590 if (! is_string($str)) continue;
592 $_progress = check_uri_spam($str, $method); // Recurse
595 $_sum = & $_progress['sum'];
596 foreach (array_keys($_sum) as $key) {
597 if (! isset($sum[$key])) {
598 $sum[$key] = & $_sum[$key];
600 $sum[$key] += $_sum[$key];
605 $_is_spam = & $_progress['is_spam'];
606 foreach (array_keys($_is_spam) as $key) {
607 $is_spam[$key] = TRUE;
610 if ($asap && $is_spam) break;
613 $blocked = array_merge_leaves($blocked, $_progress['blocked'], FALSE);
614 $hosts = array_merge_leaves($hosts, $_progress['hosts'], FALSE);
618 $blocked = array_unique_recursive($blocked);
619 $hosts = array_unique_recursive($hosts);
621 // Recount $sum['badhost']
622 $sum['badhost'] = array_count_leaves($blocked);
627 // ----------------------------------------
630 // Area: There's HTML anchor tag
631 if ((! $asap || ! $is_spam) && isset($method['area_anchor'])) {
632 $key = 'area_anchor';
633 $_asap = isset($method['asap']) ? array('asap' => TRUE) : array();
634 $result = area_pickup($target, array($key => TRUE) + $_asap);
636 $sum[$key] = $result[$key];
637 if (isset($method[$key]) && $sum[$key] > $method[$key]) {
638 $is_spam[$key] = TRUE;
643 // Area: There's 'BBCode' linking tag
644 if ((! $asap || ! $is_spam) && isset($method['area_bbcode'])) {
645 $key = 'area_bbcode';
646 $_asap = isset($method['asap']) ? array('asap' => TRUE) : array();
647 $result = area_pickup($target, array($key => TRUE) + $_asap);
649 $sum[$key] = $result[$key];
650 if (isset($method[$key]) && $sum[$key] > $method[$key]) {
651 $is_spam[$key] = TRUE;
657 if ($asap && $is_spam) return $progress;
659 // ----------------------------------------
662 $pickups = uri_pickup_normalize(spam_uri_pickup($target, $method));
664 foreach ($pickups as $key => $pickup) {
665 $hosts[$key] = & $pickup['host'];
669 if (empty($pickups)) return $progress;
671 // ----------------------------------------
672 // URI: Bad host <pre-filter> (Separate good/bad hosts from $hosts)
674 if ((! $asap || ! $is_spam) && isset($method['badhost'])) {
675 $list = get_blocklist('pre');
676 $blocked = blocklist_distiller($hosts, array_keys($list), $asap);
677 foreach($list as $key=>$type){
678 if (! $type) unset($blocked[$key]); // Ignore goodhost etc
681 if (! empty($blocked)) $is_spam['badhost'] = TRUE;
685 if ($asap && $is_spam) return $progress;
687 // Remove blocked from $pickups
688 foreach(array_keys($pickups) as $key) {
689 if (! isset($hosts[$key])) {
690 unset($pickups[$key]);
694 // ----------------------------------------
695 // URI: Check quantity
697 $sum['quantity'] += count($pickups);
699 if ((! $asap || ! $is_spam) && isset($method['quantity']) &&
700 $sum['quantity'] > $method['quantity']) {
701 $is_spam['quantity'] = TRUE;
704 // ----------------------------------------
705 // URI: used inside HTML anchor tag pair
707 if ((! $asap || ! $is_spam) && isset($method['uri_anchor'])) {
709 foreach($pickups as $pickup) {
710 if (isset($pickup['area'][$key])) {
711 $sum[$key] += $pickup['area'][$key];
712 if(isset($method[$key]) &&
713 $sum[$key] > $method[$key]) {
714 $is_spam[$key] = TRUE;
715 if ($asap && $is_spam) break;
717 if ($asap && $is_spam) break;
722 // ----------------------------------------
723 // URI: used inside 'BBCode' pair
725 if ((! $asap || ! $is_spam) && isset($method['uri_bbcode'])) {
727 foreach($pickups as $pickup) {
728 if (isset($pickup['area'][$key])) {
729 $sum[$key] += $pickup['area'][$key];
730 if(isset($method[$key]) &&
731 $sum[$key] > $method[$key]) {
732 $is_spam[$key] = TRUE;
733 if ($asap && $is_spam) break;
735 if ($asap && $is_spam) break;
740 // ----------------------------------------
741 // URI: Uniqueness (and removing non-uniques)
743 if ((! $asap || ! $is_spam) && isset($method['non_uniquri'])) {
746 foreach (array_keys($pickups) as $key) {
747 $uris[$key] = uri_pickup_implode($pickups[$key]);
749 $count = count($uris);
750 $uris = array_unique($uris);
751 $sum['non_uniquri'] += $count - count($uris);
752 if ($sum['non_uniquri'] > $method['non_uniquri']) {
753 $is_spam['non_uniquri'] = TRUE;
755 if (! $asap || ! $is_spam) {
756 foreach (array_diff(array_keys($pickups),
757 array_keys($uris)) as $remove) {
758 unset($pickups[$remove]);
765 if ($asap && $is_spam) return $progress;
767 // ----------------------------------------
768 // Host: Uniqueness (uniq / non-uniq)
770 $hosts = array_unique($hosts);
772 if (isset($sum['uniqhost'])) $sum['uniqhost'] += count($hosts);
773 if ((! $asap || ! $is_spam) && isset($method['non_uniqhost'])) {
774 $sum['non_uniqhost'] = $sum['quantity'] - $sum['uniqhost'];
775 if ($sum['non_uniqhost'] > $method['non_uniqhost']) {
776 $is_spam['non_uniqhost'] = TRUE;
781 if ($asap && $is_spam) return $progress;
783 // ----------------------------------------
784 // URI: Bad host (Separate good/bad hosts from $hosts)
786 if ((! $asap || ! $is_spam) && isset($method['badhost'])) {
787 $list = get_blocklist('list');
788 $blocked = array_merge_leaves(
790 blocklist_distiller($hosts, array_keys($list), $asap),
793 foreach($list as $key=>$type){
794 if (! $type) unset($blocked[$key]); // Ignore goodhost etc
797 if (! empty($blocked)) $is_spam['badhost'] = TRUE;
801 //if ($asap && $is_spam) return $progress;
803 // ----------------------------------------
809 // ---------------------
812 // Summarize $progress (blocked only)
813 function summarize_spam_progress($progress = array(), $blockedonly = FALSE)
816 $tmp = array_keys($progress['is_spam']);
819 $method = & $progress['method'];
820 if (isset($progress['sum'])) {
821 foreach ($progress['sum'] as $key => $value) {
822 if (isset($method[$key]) && $value) {
823 $tmp[] = $key . '(' . $value . ')';
829 return implode(', ', $tmp);
832 function summarize_detail_badhost($progress = array())
834 if (! isset($progress['blocked']) || empty($progress['blocked'])) return '';
838 foreach($progress['blocked'] as $list => $lvalue) {
839 foreach($lvalue as $group => $gvalue) {
840 $flat = implode(', ', array_flat_leaves($gvalue));
841 if ($flat === $group) {
842 $blocked[$list][] = $flat;
844 $blocked[$list][$group] = $flat;
850 // From: 'A-1' => array('ie.to')
851 // To: 'A-1' => 'ie.to'
852 foreach($blocked as $list => $lvalue) {
853 if (is_array($lvalue) &&
854 count($lvalue) == 1 &&
855 is_numeric(key($lvalue))) {
856 $blocked[$list] = current($lvalue);
860 return var_export_shrink($blocked, TRUE, TRUE);
863 function summarize_detail_newtral($progress = array())
865 if (! isset($progress['hosts']) ||
866 ! is_array($progress['hosts']) ||
867 empty($progress['hosts'])) return '';
869 // Generate a responsible $trie
871 foreach($progress['hosts'] as $value) {
872 // 'A.foo.bar.example.com'
873 $resp = whois_responsibility($value); // 'example.com'
875 // One or more test, or do nothing here
876 $resp = strval($value);
879 $rest = rtrim(substr($value, 0, - strlen($resp)), '.'); // 'A.foo.bar'
881 $trie = array_merge_leaves($trie, array($resp => array($rest => NULL)), FALSE);
884 // Format: var_export_shrink() -like output
886 ksort_by_domain($trie);
887 foreach(array_keys($trie) as $key) {
888 ksort_by_domain($trie[$key]);
889 if (count($trie[$key]) == 1 && key($trie[$key]) == '') {
890 // Just one 'responsibility.example.com'
891 $result[] = ' \'' . $key . '\',';
893 // One subdomain-or-host, or several ones
895 foreach(array_keys($trie[$key]) as $sub) {
899 $subs[] = $sub . '.' . $key;
902 $result[] = ' \'' . $key . '\' => \'' . implode(', ', $subs) . '\',';
908 implode("\n", $result) . "\n" .
913 // Check responsibility-root of the FQDN
914 // 'foo.bar.example.com' => 'example.com' (.com has the last whois for it)
915 // 'foo.bar.example.au' => 'example.au' (.au has the last whois for it)
916 // 'foo.bar.example.edu.au' => 'example.edu.au' (.edu.au has the last whois for it)
917 // 'foo.bar.example.act.edu.au' => 'example.act.edu.au' (.act.edu.au has the last whois for it)
918 function whois_responsibility($fqdn = 'foo.bar.example.com', $parent = FALSE, $implicit = TRUE)
922 if ($fqdn === NULL) {
923 $domain = NULL; // Unset
926 if (! is_string($fqdn)) return '';
928 if (is_ip($fqdn)) return $fqdn;
930 if (! isset($domain)) {
932 if (file_exists(DOMAIN_INI_FILE)) {
933 include(DOMAIN_INI_FILE); // Set
938 $dcursor = & $domain;
939 $array = array_reverse(explode('.', $fqdn));
942 if (! isset($array[$i])) break;
943 $acursor = $array[$i];
944 if (is_array($dcursor) && isset($dcursor[$acursor])) {
945 $result[] = & $array[$i];
946 $dcursor = & $dcursor[$acursor];
948 if (! $parent && isset($acursor)) {
949 $result[] = & $array[$i]; // Whois servers must know this subdomain
956 // Implicit responsibility: Top-Level-Domains must not be yours
957 // 'bar.foo.something' => 'foo.something'
958 if ($implicit && count($result) == 1 && count($array) > 1) {
959 $result[] = & $array[1];
962 return $result ? implode('.', array_reverse($result)) : '';
966 // ---------------------
970 function spam_dispose()
973 whois_responsibility(NULL);
976 // Common bahavior for blocking
977 // NOTE: Call this function from various blocking feature, to disgueise the reason 'why blocked'
978 function spam_exit($mode = '', $data = array())
987 echo('<pre>' . "\n");
988 echo htmlspecialchars(var_export($data, TRUE));
989 echo('</pre>' . "\n");
993 if ($exit) exit; // Force exit
997 // ---------------------
1000 // TODO: Record them
1001 // Simple/fast spam filter ($target: 'a string' or an array())
1002 function pkwk_spamfilter($action, $page, $target = array('title' => ''), $method = array(), $exitmode = '')
1004 $progress = check_uri_spam($target, $method);
1006 if (empty($progress['is_spam'])) {
1010 // TODO: detect encoding from $target for mbstring functions
1012 // foreach(array_keys($target) as $key) {
1013 // $tmp[strings($key, 0, FALSE, TRUE)] = strings($target[$key], 0, FALSE, TRUE); // Removing "\0" etc
1015 // $target = & $tmp;
1017 pkwk_spamnotify($action, $page, $target, $progress, $method);
1018 spam_exit($exitmode, $progress);
1022 // ---------------------
1023 // PukiWiki original
1025 // Mail to administrator(s)
1026 function pkwk_spamnotify($action, $page, $target = array('title' => ''), $progress = array(), $method = array())
1028 global $notify, $notify_subject;
1030 if (! $notify) return;
1032 $asap = isset($method['asap']);
1034 $summary['ACTION'] = 'Blocked by: ' . summarize_spam_progress($progress, TRUE);
1036 $summary['METRICS'] = summarize_spam_progress($progress);
1039 $tmp = summarize_detail_badhost($progress);
1040 if ($tmp != '') $summary['DETAIL_BADHOST'] = $tmp;
1042 $tmp = summarize_detail_newtral($progress);
1043 if (! $asap && $tmp != '') $summary['DETAIL_NEUTRAL_HOST'] = $tmp;
1045 $summary['COMMENT'] = $action;
1046 $summary['PAGE'] = '[blocked] ' . (is_pagename($page) ? $page : '');
1047 $summary['URI'] = get_script_uri() . '?' . rawurlencode($page);
1048 $summary['USER_AGENT'] = TRUE;
1049 $summary['REMOTE_ADDR'] = TRUE;
1050 pkwk_mail_notify($notify_subject, var_export($target, TRUE), $summary, TRUE);