spam/spam.php

   1 <?php
   2 // $Id: spam.php,v 1.218 2009/01/04 03:31:09 henoheno Exp $
   3 // Copyright (C) 2006-2007 PukiWiki Developers Team
   4 // License: GPL v2 or (at your option) any later version
   5 //
   6 // Functions for Concept-work of spam-uri metrics
   7 //
   8 // (PHP 4 >= 4.3.0): preg_match_all(PREG_OFFSET_CAPTURE): $method['uri_XXX'] related feature
   9
  10
  11 if (! defined('LIB_DIR'))   define('LIB_DIR', './');
  12 require(LIB_DIR . 'spam_pickup.php');
  13 require(LIB_DIR . 'spam_util.php');
  14
  15 if (! defined('SPAM_INI_FILE'))   define('SPAM_INI_FILE',   'spam.ini.php');
  16
  17
  18 // ---------------------
  19 // Regex
  20
  21 // Rough implementation of globbing
  22 //
  23 // USAGE: $regex = '/^' . generate_glob_regex('*.txt', '/') . '$/i';
  24 //
  25 function generate_glob_regex($string = '', $divider = '/')
  26 {
  27         static $from = array(
  28                          1 => '*',
  29                         11 => '?',
  30         //              22 => '[',      // Maybe cause regex compilation error (e.g. '[]')
  31         //              23 => ']',      //
  32                 );
  33         static $mid = array(
  34                          1 => '_AST_',
  35                         11 => '_QUE_',
  36         //              22 => '_RBR_',
  37         //              23 => '_LBR_',
  38                 );
  39         static $to = array(
  40                          1 => '.*',
  41                         11 => '.',
  42         //              22 => '[',
  43         //              23 => ']',
  44                 );
  45
  46         if (! is_string($string)) return '';
  47
  48         $string = str_replace($from, $mid, $string); // Hide
  49         $string = preg_quote($string, $divider);
  50         $string = str_replace($mid, $to, $string);   // Unhide
  51
  52         return $string;
  53 }
  54
  55 // Generate host (FQDN, IPv4, ...) regex
  56 // 'localhost'     : Matches with 'localhost' only
  57 // 'example.org'   : Matches with 'example.org' only (See host_normalize() about 'www')
  58 // '.example.org'  : Matches with ALL FQDN ended with '.example.org'
  59 // '*.example.org' : Almost the same of '.example.org' except 'www.example.org'
  60 // '10.20.30.40'   : Matches with IPv4 address '10.20.30.40' only
  61 // [TODO] '192.'   : Matches with all IPv4 hosts started with '192.'
  62 // TODO: IPv4, CIDR?, IPv6
  63 function generate_host_regex($string = '', $divider = '/')
  64 {
  65         if (! is_string($string)) return '';
  66
  67         if (mb_strpos($string, '.') === FALSE || is_ip($string)) {
  68                 // "localhost", IPv4, etc
  69                 return generate_glob_regex($string, $divider);
  70         }
  71
  72         // FQDN or something
  73         $part = explode('.', $string, 2);
  74         if ($part[0] == '') {
  75                 // ".example.org"
  76                 $part[0] = '(?:.*\.)?';
  77         } else if ($part[0] == '*') {
  78                 // "*.example.org"
  79                 $part[0] = '.*\.';
  80         } else {
  81                 // example.org, etc
  82                 return generate_glob_regex($string, $divider);
  83         }
  84
  85         $part[1] = generate_glob_regex($part[1], $divider);
  86
  87         return implode('', $part);
  88 }
  89
  90
  91 // ---------------------
  92 // Load
  93
  94 // Load SPAM_INI_FILE and return parsed one
  95 function get_blocklist($list = '')
  96 {
  97         static $regexes;
  98
  99         if ($list === NULL) {
 100                 $regexes = NULL;        // Unset
 101                 return array();
 102         }
 103
 104         if (! isset($regexes)) {
 105                 $regexes = array();
 106                 if (file_exists(SPAM_INI_FILE)) {
 107                         $blocklist = array();
 108
 109                         include(SPAM_INI_FILE);
 110                         //      $blocklist['list'] = array(
 111                         //      //'goodhost' => FALSE;
 112                         //      'badhost' => TRUE;
 113                         // );
 114                         //      $blocklist['badhost'] = array(
 115                         //              '*.blogspot.com',       // Blog services's subdomains (only)
 116                         //              'IANA-examples' => '#^(?:.*\.)?example\.(?:com|net|org)$#',
 117                         //      );
 118
 119                         foreach(array(
 120                                         'pre',
 121                                         'list',
 122                                 ) as $special) {
 123
 124                                 if (! isset($blocklist[$special])) continue;
 125
 126                                 $regexes[$special] = $blocklist[$special];
 127
 128                                 foreach(array_keys($blocklist[$special]) as $_list) {
 129                                         if (! isset($blocklist[$_list])) continue;
 130
 131                                         foreach ($blocklist[$_list] as $key => $value) {
 132                                                 if (is_array($value)) {
 133                                                         $regexes[$_list][$key] = array();
 134                                                         foreach($value as $_key => $_value) {
 135                                                                 get_blocklist_add($regexes[$_list][$key], $_key, $_value);
 136                                                         }
 137                                                 } else {
 138                                                         get_blocklist_add($regexes[$_list], $key, $value);
 139                                                 }
 140                                         }
 141
 142                                         unset($blocklist[$_list]);
 143                                 }
 144                         }
 145                 }
 146         }
 147
 148         if ($list === '') {
 149                 return $regexes;                // ALL of
 150         } else if (isset($regexes[$list])) {
 151                 return $regexes[$list]; // A part of
 152         } else {
 153                 return array();                 // Found nothing
 154         }
 155 }
 156
 157 // Subroutine of get_blocklist(): Add new regex to the $array
 158 function get_blocklist_add(& $array, $key = 0, $value = '*.example.org/path/to/file.html')
 159 {
 160         if (is_string($key)) {
 161                 $array[$key]   = & $value; // Treat $value as a regex for FQDN(host)s
 162         } else {
 163                 $regex = generate_host_regex($value, '#');
 164                 if (! empty($regex)) {
 165                         $array[$value] = '#^' . $regex . '$#i';
 166                 }
 167         }
 168 }
 169
 170 // Blocklist metrics: Separate $host, to $blocked and not blocked
 171 function blocklist_distiller(& $hosts, $keys = array('goodhost', 'badhost'), $asap = FALSE)
 172 {
 173         if (! is_array($hosts)) $hosts = array($hosts);
 174         if (! is_array($keys))  $keys  = array($keys);
 175
 176         $list = get_blocklist('list');
 177         $blocked = array();
 178
 179         foreach($keys as $key){
 180                 foreach (get_blocklist($key) as $label => $regex) {
 181                         if (is_array($regex)) {
 182                                 foreach($regex as $_label => $_regex) {
 183                                         $group = preg_grep($_regex, $hosts);
 184                                         if ($group) {
 185                                                 $hosts = array_diff($hosts, $group);
 186                                                 $blocked[$key][$label][$_label] = $group;
 187                                                 if ($asap && $list[$key]) break;
 188                                         }
 189                                 }
 190                         } else {
 191                                 $group = preg_grep($regex, $hosts);
 192                                 if ($group) {
 193                                         $hosts = array_diff($hosts, $group);
 194                                         $blocked[$key][$label] = $group;
 195                                         if ($asap && $list[$key]) break;
 196                                 }
 197                         }
 198                 }
 199         }
 200
 201         return $blocked;
 202 }
 203
 204
 205 // ---------------------
 206
 207
 208 // Default (enabled) methods and thresholds (for content insertion)
 209 function check_uri_spam_method($times = 1, $t_area = 0, $rule = TRUE)
 210 {
 211         $times  = intval($times);
 212         $t_area = intval($t_area);
 213
 214         $positive = array(
 215                 // Thresholds
 216                 'quantity'     =>  8 * $times,  // Allow N URIs
 217                 'non_uniqhost' =>  3 * $times,  // Allow N duped (and normalized) Hosts
 218                 //'non_uniquri'=>  3 * $times,  // Allow N duped (and normalized) URIs
 219
 220                 // Areas
 221                 'area_anchor'  => $t_area,      // Using <a href> HTML tag
 222                 'area_bbcode'  => $t_area,      // Using [url] or [link] BBCode
 223                 //'uri_anchor' => $t_area,      // URI inside <a href> HTML tag
 224                 //'uri_bbcode' => $t_area,      // URI inside [url] or [link] BBCode
 225         );
 226         if ($rule) {
 227                 $bool = array(
 228                         // Rules
 229                         //'asap'   => TRUE,     // Quit or return As Soon As Possible
 230                         'uniqhost' => TRUE,     // Show uniq host (at block notification mail)
 231                         'badhost'  => TRUE,     // Check badhost
 232                 );
 233         } else {
 234                 $bool = array();
 235         }
 236
 237         // Remove non-$positive values
 238         foreach (array_keys($positive) as $key) {
 239                 if ($positive[$key] < 0) unset($positive[$key]);
 240         }
 241
 242         return $positive + $bool;
 243 }
 244
 245 // Simple/fast spam check
 246 function check_uri_spam($target = '', $method = array())
 247 {
 248         // Return value
 249         $progress = array(
 250                 'method'  => array(
 251                         // Theme to do  => Dummy, optional value, or optional array()
 252                         //'quantity'    => 8,
 253                         //'uniqhost'    => TRUE,
 254                         //'non_uniqhost'=> 3,
 255                         //'non_uniquri' => 3,
 256                         //'badhost'     => TRUE,
 257                         //'area_anchor' => 0,
 258                         //'area_bbcode' => 0,
 259                         //'uri_anchor'  => 0,
 260                         //'uri_bbcode'  => 0,
 261                 ),
 262                 'sum' => array(
 263                         // Theme        => Volume found (int)
 264                 ),
 265                 'is_spam' => array(
 266                         // Flag. If someting defined here,
 267                         // one or more spam will be included
 268                         // in this report
 269                 ),
 270                 'blocked' => array(
 271                         // Hosts blocked
 272                         //'category' => array(
 273                         //      'host',
 274                         //)
 275                 ),
 276                 'hosts' => array(
 277                         // Hosts not blocked
 278                 ),
 279         );
 280
 281         // ----------------------------------------
 282         // Aliases
 283
 284         $sum     = & $progress['sum'];
 285         $is_spam = & $progress['is_spam'];
 286         $progress['method'] = & $method;        // Argument
 287         $blocked = & $progress['blocked'];
 288         $hosts   = & $progress['hosts'];
 289         $asap    = isset($method['asap']);
 290
 291         // ----------------------------------------
 292         // Init
 293
 294         if (! is_array($method) || empty($method)) {
 295                 $method = check_uri_spam_method();
 296         }
 297         foreach(array_keys($method) as $key) {
 298                 if (! isset($sum[$key])) $sum[$key] = 0;
 299         }
 300         if (! isset($sum['quantity'])) $sum['quantity'] = 0;
 301
 302         // ----------------------------------------
 303         // Recurse
 304
 305         if (is_array($target)) {
 306                 foreach($target as $str) {
 307                         if (! is_string($str)) continue;
 308
 309                         $_progress = check_uri_spam($str, $method);     // Recurse
 310
 311                         // Merge $sum
 312                         $_sum = & $_progress['sum'];
 313                         foreach (array_keys($_sum) as $key) {
 314                                 if (! isset($sum[$key])) {
 315                                         $sum[$key] = & $_sum[$key];
 316                                 } else {
 317                                         $sum[$key] += $_sum[$key];
 318                                 }
 319                         }
 320
 321                         // Merge $is_spam
 322                         $_is_spam = & $_progress['is_spam'];
 323                         foreach (array_keys($_is_spam) as $key) {
 324                                 $is_spam[$key] = TRUE;
 325                                 if ($asap) break;
 326                         }
 327                         if ($asap && $is_spam) break;
 328
 329                         // Merge only
 330                         $blocked = array_merge_leaves($blocked, $_progress['blocked'], FALSE);
 331                         $hosts   = array_merge_leaves($hosts,   $_progress['hosts'],   FALSE);
 332                 }
 333
 334                 // Unique values
 335                 $blocked = array_unique_recursive($blocked);
 336                 $hosts   = array_unique_recursive($hosts);
 337
 338                 // Recount $sum['badhost']
 339                 $sum['badhost'] = array_count_leaves($blocked);
 340
 341                 return $progress;
 342         }
 343
 344         // ----------------------------------------
 345         // Area measure
 346
 347         if (! $asap || ! $is_spam) {
 348
 349                 // Method pickup
 350                 $_method = array();
 351                 foreach(array(
 352                                 'area_anchor',  // There's HTML anchor tag
 353                                 'area_bbcode',  // There's 'BBCode' linking tag
 354                         ) as $key) {
 355                         if (isset($method[$key])) $_method[$key] = TRUE;
 356                 }
 357
 358                 if ($_method) {
 359                         $_asap   = isset($method['asap']) ? array('asap' => TRUE) : array();
 360                         $_result = area_pickup($target, $_method + $_asap);
 361                         $_asap   = NULL;
 362                 } else {
 363                         $_result = FALSE;
 364                 }
 365
 366                 if ($_result) {
 367                         foreach(array_keys($_method) as $key) {
 368                                 if (isset($_result[$key])) {
 369                                         $sum[$key] = $_result[$key];
 370                                         if (isset($method[$key]) && $sum[$key] > $method[$key]) {
 371                                                 $is_spam[$key] = TRUE;
 372                                         }
 373                                 }
 374                         }
 375                 }
 376
 377                 unset($_asap, $_method, $_result);
 378         }
 379
 380         // Return if ...
 381         if ($asap && $is_spam) return $progress;
 382
 383         // ----------------------------------------
 384         // URI: Pickup
 385
 386         $pickups = spam_uri_pickup($target, $method);
 387
 388
 389         // Return if ...
 390         if (empty($pickups)) return $progress;
 391
 392         // Normalize all
 393         $pickups = uri_pickup_normalize($pickups);
 394
 395         // ----------------------------------------
 396         // Pickup some part of URI
 397
 398         $hosts = array();
 399         foreach ($pickups as $key => $pickup) {
 400                 $hosts[$key] = & $pickup['host'];
 401         }
 402
 403         // ----------------------------------------
 404         // URI: Bad host <pre-filter> (Separate good/bad hosts from $hosts)
 405
 406         if ((! $asap || ! $is_spam) && isset($method['badhost'])) {
 407                 $list    = get_blocklist('pre');
 408                 $blocked = blocklist_distiller($hosts, array_keys($list), $asap);
 409                 foreach($list as $key => $type){
 410                         if (! $type) unset($blocked[$key]); // Ignore goodhost etc
 411                 }
 412                 unset($list);
 413                 if (! empty($blocked)) $is_spam['badhost'] = TRUE;
 414         }
 415
 416         // Return if ...
 417         if ($asap && $is_spam) return $progress;
 418
 419         // Remove blocked from $pickups
 420         foreach(array_keys($pickups) as $key) {
 421                 if (! isset($hosts[$key])) {
 422                         unset($pickups[$key]);
 423                 }
 424         }
 425
 426         // ----------------------------------------
 427         // URI: Check quantity
 428
 429         $sum['quantity'] += count($pickups);
 430                 // URI quantity
 431         if ((! $asap || ! $is_spam) && isset($method['quantity']) &&
 432                 $sum['quantity'] > $method['quantity']) {
 433                 $is_spam['quantity'] = TRUE;
 434         }
 435
 436         // ----------------------------------------
 437         // URI: used inside HTML anchor tag pair
 438
 439         if ((! $asap || ! $is_spam) && isset($method['uri_anchor'])) {
 440                 $key = 'uri_anchor';
 441                 foreach($pickups as $pickup) {
 442                         if (isset($pickup['area'][$key])) {
 443                                 $sum[$key] += $pickup['area'][$key];
 444                                 if(isset($method[$key]) &&
 445                                         $sum[$key] > $method[$key]) {
 446                                         $is_spam[$key] = TRUE;
 447                                         if ($asap && $is_spam) break;
 448                                 }
 449                                 if ($asap && $is_spam) break;
 450                         }
 451                 }
 452         }
 453
 454         // ----------------------------------------
 455         // URI: used inside 'BBCode' pair
 456
 457         if ((! $asap || ! $is_spam) && isset($method['uri_bbcode'])) {
 458                 $key = 'uri_bbcode';
 459                 foreach($pickups as $pickup) {
 460                         if (isset($pickup['area'][$key])) {
 461                                 $sum[$key] += $pickup['area'][$key];
 462                                 if(isset($method[$key]) &&
 463                                         $sum[$key] > $method[$key]) {
 464                                         $is_spam[$key] = TRUE;
 465                                         if ($asap && $is_spam) break;
 466                                 }
 467                                 if ($asap && $is_spam) break;
 468                         }
 469                 }
 470         }
 471
 472         // ----------------------------------------
 473         // URI: Uniqueness (and removing non-uniques)
 474
 475         if ((! $asap || ! $is_spam) && isset($method['non_uniquri'])) {
 476
 477                 $uris = array();
 478                 foreach (array_keys($pickups) as $key) {
 479                         $uris[$key] = uri_pickup_implode($pickups[$key]);
 480                 }
 481                 $count = count($uris);
 482                 $uris  = array_unique($uris);
 483                 $sum['non_uniquri'] += $count - count($uris);
 484                 if ($sum['non_uniquri'] > $method['non_uniquri']) {
 485                         $is_spam['non_uniquri'] = TRUE;
 486                 }
 487                 if (! $asap || ! $is_spam) {
 488                         foreach (array_diff(array_keys($pickups),
 489                                 array_keys($uris)) as $remove) {
 490                                 unset($pickups[$remove]);
 491                         }
 492                 }
 493                 unset($uris);
 494         }
 495
 496         // Return if ...
 497         if ($asap && $is_spam) return $progress;
 498
 499         // ----------------------------------------
 500         // Host: Uniqueness (uniq / non-uniq)
 501
 502         $hosts = array_unique($hosts);
 503
 504         if (isset($sum['uniqhost'])) $sum['uniqhost'] += count($hosts);
 505         if ((! $asap || ! $is_spam) && isset($method['non_uniqhost'])) {
 506                 $sum['non_uniqhost'] = $sum['quantity'] - $sum['uniqhost'];
 507                 if ($sum['non_uniqhost'] > $method['non_uniqhost']) {
 508                         $is_spam['non_uniqhost'] = TRUE;
 509                 }
 510         }
 511
 512         // Return if ...
 513         if ($asap && $is_spam) return $progress;
 514
 515         // ----------------------------------------
 516         // URI: Bad host (Separate good/bad hosts from $hosts)
 517
 518         if ((! $asap || ! $is_spam) && isset($method['badhost'])) {
 519                 $list    = get_blocklist('list');
 520                 $blocked = array_merge_leaves(
 521                         $blocked,
 522                         blocklist_distiller($hosts, array_keys($list), $asap),
 523                         FALSE
 524                 );
 525                 foreach($list as $key=>$type){
 526                         if (! $type) unset($blocked[$key]); // Ignore goodhost etc
 527                 }
 528                 unset($list);
 529                 if (! empty($blocked)) $is_spam['badhost'] = TRUE;
 530         }
 531
 532         // Return if ...
 533         //if ($asap && $is_spam) return $progress;
 534
 535         // ----------------------------------------
 536         // End
 537
 538         return $progress;
 539 }
 540
 541 // ---------------------
 542 // Reporting
 543
 544 // Summarize $progress (blocked only)
 545 function summarize_spam_progress($progress = array(), $blockedonly = FALSE)
 546 {
 547         if ($blockedonly) {
 548                 $tmp = array_keys($progress['is_spam']);
 549         } else {
 550                 $tmp = array();
 551                 $method = & $progress['method'];
 552                 if (isset($progress['sum'])) {
 553                         foreach ($progress['sum'] as $key => $value) {
 554                                 if (isset($method[$key]) && $value) {
 555                                         $tmp[] = $key . '(' . $value . ')';
 556                                 }
 557                         }
 558                 }
 559         }
 560
 561         return implode(', ', $tmp);
 562 }
 563
 564 function summarize_detail_badhost($progress = array())
 565 {
 566         if (! isset($progress['blocked']) || empty($progress['blocked'])) return '';
 567
 568         // Flat per group
 569         $blocked = array();
 570         foreach($progress['blocked'] as $list => $lvalue) {
 571                 foreach($lvalue as $group => $gvalue) {
 572                         $flat = implode(', ', array_flat_leaves($gvalue));
 573                         if ($flat === $group) {
 574                                 $blocked[$list][]       = $flat;
 575                         } else {
 576                                 $blocked[$list][$group] = $flat;
 577                         }
 578                 }
 579         }
 580
 581         // Shrink per list
 582         // From: 'A-1' => array('ie.to')
 583         // To:   'A-1' => 'ie.to'
 584         foreach($blocked as $list => $lvalue) {
 585                 if (is_array($lvalue) &&
 586                    count($lvalue) == 1 &&
 587                    is_numeric(key($lvalue))) {
 588                     $blocked[$list] = current($lvalue);
 589                 }
 590         }
 591
 592         return var_export_shrink($blocked, TRUE, TRUE);
 593 }
 594
 595 function summarize_detail_newtral($progress = array())
 596 {
 597         if (! isset($progress['hosts'])    ||
 598             ! is_array($progress['hosts']) ||
 599             empty($progress['hosts'])) return '';
 600
 601         // Generate a responsible $trie
 602         $trie = array();
 603         foreach($progress['hosts'] as $value) {
 604                 // 'A.foo.bar.example.com'
 605                 $resp = whois_responsibility($value);   // 'example.com'
 606                 if (empty($resp)) {
 607                         // One or more test, or do nothing here
 608                         $resp = strval($value);
 609                         $rest = '';
 610                 } else {
 611                         $rest = rtrim(substr($value, 0, - strlen($resp)), '.'); // 'A.foo.bar'
 612                 }
 613                 $trie = array_merge_leaves($trie, array($resp => array($rest => NULL)), FALSE);
 614         }
 615
 616         // Format: var_export_shrink() -like output
 617         $result = array();
 618         ksort_by_domain($trie);
 619         foreach(array_keys($trie) as $key) {
 620                 ksort_by_domain($trie[$key]);
 621                 if (count($trie[$key]) == 1 && key($trie[$key]) == '') {
 622                         // Just one 'responsibility.example.com'
 623                         $result[] = '  \'' . $key . '\',';
 624                 } else {
 625                         // One subdomain-or-host, or several ones
 626                         $subs = array();
 627                         foreach(array_keys($trie[$key]) as $sub) {
 628                                 if ($sub == '') {
 629                                         $subs[] = $key;                 // 'example.com'
 630                                 } else {
 631                                         $subs[] = $sub . '. ';  // 'A.foo.bar. '
 632                                 }
 633                         }
 634                         $result[] = '  \'' . $key . '\' => \'' . implode(', ', $subs) . '\',';
 635                 }
 636                 unset($trie[$key]);
 637         }
 638         return
 639                 'array (' . "\n" .
 640                         implode("\n", $result) . "\n" .
 641                 ')';
 642 }
 643
 644
 645 // ---------------------
 646 // Exit
 647
 648 // Freeing memories
 649 function spam_dispose()
 650 {
 651         get_blocklist(NULL);
 652         whois_responsibility(NULL);
 653 }
 654
 655 // Common bahavior for blocking
 656 // NOTE: Call this function from various blocking feature, to disgueise the reason 'why blocked'
 657 function spam_exit($mode = '', $data = array())
 658 {
 659         $exit = TRUE;
 660
 661         switch ($mode) {
 662                 case '':
 663                         echo("\n");
 664                         break;
 665                 case 'dump':
 666                         echo('<pre>' . "\n");
 667                         echo htmlspecialchars(var_export($data, TRUE));
 668                         echo('</pre>' . "\n");
 669                         break;
 670         };
 671
 672         if ($exit) exit;        // Force exit
 673 }
 674
 675
 676 // ---------------------
 677 // Simple filtering
 678
 679 // TODO: Record them
 680 // Simple/fast spam filter ($target: 'a string' or an array())
 681 function pkwk_spamfilter($action, $page, $target = array('title' => ''), $method = array(), $exitmode = '')
 682 {
 683         $progress = check_uri_spam($target, $method);
 684
 685         if (empty($progress['is_spam'])) {
 686                 spam_dispose();
 687         } else {
 688
 689 // TODO: detect encoding from $target for mbstring functions
 690 //              $tmp = array();
 691 //              foreach(array_keys($target) as $key) {
 692 //                      $tmp[strings($key, 0, FALSE, TRUE)] = strings($target[$key], 0, FALSE, TRUE);   // Removing "\0" etc
 693 //              }
 694 //              $target = & $tmp;
 695
 696                 pkwk_spamnotify($action, $page, $target, $progress, $method);
 697                 spam_exit($exitmode, $progress);
 698         }
 699 }
 700
 701 // ---------------------
 702 // PukiWiki original
 703
 704 // Mail to administrator(s)
 705 function pkwk_spamnotify($action, $page, $target = array('title' => ''), $progress = array(), $method = array())
 706 {
 707         global $notify, $notify_subject;
 708
 709         if (! $notify) return;
 710
 711         $asap = isset($method['asap']);
 712
 713         $summary['ACTION']  = 'Blocked by: ' . summarize_spam_progress($progress, TRUE);
 714         if (! $asap) {
 715                 $summary['METRICS'] = summarize_spam_progress($progress);
 716         }
 717
 718         $tmp = summarize_detail_badhost($progress);
 719         if ($tmp != '') $summary['DETAIL_BADHOST'] = $tmp;
 720
 721         $tmp = summarize_detail_newtral($progress);
 722         if (! $asap && $tmp != '') $summary['DETAIL_NEUTRAL_HOST'] = $tmp;
 723
 724         $summary['COMMENT'] = $action;
 725         $summary['PAGE']    = '[blocked] ' . (is_pagename($page) ? $page : '');
 726         $summary['URI']     = get_script_uri() . '?' . rawurlencode($page);
 727         $summary['USER_AGENT']  = TRUE;
 728         $summary['REMOTE_ADDR'] = TRUE;
 729         pkwk_mail_notify($notify_subject,  var_export($target, TRUE), $summary, TRUE);
 730 }
 731
 732 ?>