<?php

[0] Fix | Delete

require_once(dirname(__FILE__) . '/wfConfig.php');

[1] Fix | Delete

class wfUtils {

[2] Fix | Delete

//Flags for wfUtils::parse_version

[3] Fix | Delete

const VERSION_MAJOR = 'major';

[4] Fix | Delete

const VERSION_MINOR = 'minor';

[5] Fix | Delete

const VERSION_PATCH = 'patch';

[6] Fix | Delete

const VERSION_PRE_RELEASE = 'pre-release';

[7] Fix | Delete

const VERSION_BUILD = 'build';

[8] Fix | Delete

[9] Fix | Delete

private static $isWindows = false;

[10] Fix | Delete

public static $scanLockFH = false;

[11] Fix | Delete

private static $lastErrorReporting = false;

[12] Fix | Delete

private static $lastDisplayErrors = false;

[13] Fix | Delete

public static function patternToRegex($pattern, $mod = 'i', $sep = '/') {

[14] Fix | Delete

$pattern = preg_quote(trim($pattern), $sep);

[15] Fix | Delete

$pattern = str_replace(' ', '\s', $pattern);

[16] Fix | Delete

return $sep . '^' . str_replace('\*', '.*', $pattern) . '$' . $sep . $mod;

[17] Fix | Delete

}

[18] Fix | Delete

public static function versionedAsset($subpath) {

[19] Fix | Delete

$version = WORDFENCE_BUILD_NUMBER;

[20] Fix | Delete

if ($version != 'WORDFENCE_BUILD_NUMBER' && preg_match('/^(.+?)(\.[^\.]+)$/', $subpath, $matches)) {

[21] Fix | Delete

$prefix = $matches[1];

[22] Fix | Delete

$suffix = $matches[2];

[23] Fix | Delete

return $prefix . '.' . $version . $suffix;

[24] Fix | Delete

}

[25] Fix | Delete

[26] Fix | Delete

return $subpath;

[27] Fix | Delete

}

[28] Fix | Delete

public static function makeTimeAgo($secs, $noSeconds = false) {

[29] Fix | Delete

if($secs < 1){

[30] Fix | Delete

return __("a moment", 'wordfence');

[31] Fix | Delete

}

[32] Fix | Delete

[33] Fix | Delete

if (function_exists('date_diff')) {

[34] Fix | Delete

$now = new DateTime();

[35] Fix | Delete

$utc = new DateTimeZone('UTC');

[36] Fix | Delete

$dtStr = gmdate("c", (int) ($now->getTimestamp() + $secs)); //Have to do it this way because of PHP 5.2

[37] Fix | Delete

$then = new DateTime($dtStr, $utc);

[38] Fix | Delete

[39] Fix | Delete

$diff = $then->diff($now);

[40] Fix | Delete

$years = $diff->y;

[41] Fix | Delete

$months = $diff->m;

[42] Fix | Delete

$days = $diff->d;

[43] Fix | Delete

$hours = $diff->h;

[44] Fix | Delete

$minutes = $diff->i;

[45] Fix | Delete

}

[46] Fix | Delete

else {

[47] Fix | Delete

$years = 0;

[48] Fix | Delete

$months = floor($secs / (86400 * 30));

[49] Fix | Delete

$days = floor($secs / 86400);

[50] Fix | Delete

$hours = floor($secs / 3600);

[51] Fix | Delete

$minutes = floor($secs / 60);

[52] Fix | Delete

[53] Fix | Delete

if ($months) {

[54] Fix | Delete

$days -= $months * 30;

[55] Fix | Delete

}

[56] Fix | Delete

else if ($days) {

[57] Fix | Delete

$hours -= $days * 24;

[58] Fix | Delete

}

[59] Fix | Delete

else if ($hours) {

[60] Fix | Delete

$minutes -= $hours * 60;

[61] Fix | Delete

}

[62] Fix | Delete

}

[63] Fix | Delete

[64] Fix | Delete

if ($years) {

[65] Fix | Delete

return $years . ' ' . _n('year', 'years', $years, 'wordfence') .

[66] Fix | Delete

(is_numeric($months) ? ' ' . $months . ' ' . _n('month', 'months', $months, 'wordfence') : '');

[67] Fix | Delete

}

[68] Fix | Delete

else if ($months) {

[69] Fix | Delete

return $months . ' ' . _n('month', 'months', $months, 'wordfence') .

[70] Fix | Delete

(is_numeric($days) ? ' ' . $days . ' ' . _n('day', 'days', $days, 'wordfence') : '');

[71] Fix | Delete

}

[72] Fix | Delete

else if ($days) {

[73] Fix | Delete

return $days . ' ' . _n('day', 'days', $days, 'wordfence') .

[74] Fix | Delete

(is_numeric($hours) ? ' ' . $hours . ' ' . _n('hour', 'hours', $hours, 'wordfence') : '');

[75] Fix | Delete

}

[76] Fix | Delete

else if ($hours) {

[77] Fix | Delete

return $hours . ' ' . _n('hour', 'hours', $hours, 'wordfence') .

[78] Fix | Delete

(is_numeric($minutes) ? ' ' . $minutes . ' ' . _n('minute', 'minutes', $minutes, 'wordfence') : '');

[79] Fix | Delete

}

[80] Fix | Delete

else if ($minutes) {

[81] Fix | Delete

return $minutes . ' ' . _n('minute', 'minutes', $minutes, 'wordfence');

[82] Fix | Delete

}

[83] Fix | Delete

else {

[84] Fix | Delete

if($noSeconds){

[85] Fix | Delete

return __("less than a minute", 'wordfence');

[86] Fix | Delete

} else {

[87] Fix | Delete

return sprintf(/* translators: Number of seconds. */ __("%d seconds", 'wordfence'), floor($secs));

[88] Fix | Delete

}

[89] Fix | Delete

}

[90] Fix | Delete

}

[91] Fix | Delete

public static function makeDuration($secs, $createExact = false) {

[92] Fix | Delete

$components = array();

[93] Fix | Delete

[94] Fix | Delete

$months = floor($secs / (86400 * 30)); $secs -= $months * 86400 * 30;

[95] Fix | Delete

$days = floor($secs / 86400); $secs -= $days * 86400;

[96] Fix | Delete

$hours = floor($secs / 3600); $secs -= $hours * 3600;

[97] Fix | Delete

$minutes = floor($secs / 60); $secs -= $minutes * 60;

[98] Fix | Delete

[99] Fix | Delete

if ($months) {

[100] Fix | Delete

$components[] = $months . ' ' . _n('month', 'months', $months, 'wordfence');

[101] Fix | Delete

if (!$createExact) {

[102] Fix | Delete

$hours = $minutes = $secs = 0;

[103] Fix | Delete

}

[104] Fix | Delete

}

[105] Fix | Delete

if ($days) {

[106] Fix | Delete

$components[] = $days . ' ' . _n('day', 'days', $days, 'wordfence');

[107] Fix | Delete

if (!$createExact) {

[108] Fix | Delete

$minutes = $secs = 0;

[109] Fix | Delete

}

[110] Fix | Delete

}

[111] Fix | Delete

if ($hours) {

[112] Fix | Delete

$components[] = $hours . ' ' . _n('hour', 'hours', $hours, 'wordfence');

[113] Fix | Delete

if (!$createExact) {

[114] Fix | Delete

$secs = 0;

[115] Fix | Delete

}

[116] Fix | Delete

}

[117] Fix | Delete

if ($minutes) {

[118] Fix | Delete

$components[] = $minutes . ' ' . _n('minute', 'minutes', $minutes, 'wordfence');

[119] Fix | Delete

}

[120] Fix | Delete

if ($secs && $secs >= 1) {

[121] Fix | Delete

$components[] = $secs . ' ' . _n('second', 'seconds', $secs, 'wordfence');

[122] Fix | Delete

}

[123] Fix | Delete

[124] Fix | Delete

if (empty($components)) {

[125] Fix | Delete

$components[] = __('less than 1 second', 'wordfence');

[126] Fix | Delete

}

[127] Fix | Delete

[128] Fix | Delete

return implode(' ', $components);

[129] Fix | Delete

}

[130] Fix | Delete

public static function pluralize($m1, $m1Singular, $m1Plural, $m2 = false, $m2Singular = false, $m2Plural = false) {

[131] Fix | Delete

$m1Text = _n($m1Singular, $m1Plural, $m1, 'wordfence');

[132] Fix | Delete

if (is_numeric($m2)) {

[133] Fix | Delete

$m2Text = _n($m2Singular, $m2Plural, $m2, 'wordfence');

[134] Fix | Delete

return "$m1 $m1Text $m2 $m2Text";

[135] Fix | Delete

} else {

[136] Fix | Delete

return "$m1 $m1Text";

[137] Fix | Delete

}

[138] Fix | Delete

}

[139] Fix | Delete

public static function formatBytes($bytes, $precision = 2) {

[140] Fix | Delete

$units = array('B', 'KB', 'MB', 'GB', 'TB');

[141] Fix | Delete

[142] Fix | Delete

$bytes = max($bytes, 0);

[143] Fix | Delete

$pow = floor(($bytes ? log($bytes) : 0) / log(1024));

[144] Fix | Delete

$pow = min($pow, count($units) - 1);

[145] Fix | Delete

[146] Fix | Delete

// Uncomment one of the following alternatives

[147] Fix | Delete

$bytes /= pow(1024, $pow);

[148] Fix | Delete

// $bytes /= (1 << (10 * $pow));

[149] Fix | Delete

[150] Fix | Delete

return round($bytes, $precision) . ' ' . $units[$pow];

[151] Fix | Delete

}

[152] Fix | Delete

[153] Fix | Delete

/**

[154] Fix | Delete

* Returns the PHP version formatted for display, stripping off the build information when present.

[155] Fix | Delete

*

[156] Fix | Delete

* @return string

[157] Fix | Delete

*/

[158] Fix | Delete

public static function cleanPHPVersion() {

[159] Fix | Delete

$version = phpversion();

[160] Fix | Delete

if (preg_match('/^(\d+\.\d+\.\d+)/', $version, $matches)) {

[161] Fix | Delete

return $matches[1];

[162] Fix | Delete

}

[163] Fix | Delete

return $version;

[164] Fix | Delete

}

[165] Fix | Delete

[166] Fix | Delete

/**

[167] Fix | Delete

* Check if an IP address is in a network block

[168] Fix | Delete

*

[169] Fix | Delete

* @param string $subnet Single IP or subnet in CIDR notation (e.g. '192.168.100.0' or '192.168.100.0/22')

[170] Fix | Delete

* @param string $ip IPv4 or IPv6 address in dot or colon notation

[171] Fix | Delete

* @return boolean

[172] Fix | Delete

*/

[173] Fix | Delete

public static function subnetContainsIP($subnet, $ip) {

[174] Fix | Delete

static $_network_cache = array();

[175] Fix | Delete

static $_ip_cache = array();

[176] Fix | Delete

static $_masks = array(

[177] Fix | Delete

0 => "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[178] Fix | Delete

1 => "\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[179] Fix | Delete

2 => "\xc0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[180] Fix | Delete

3 => "\xe0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[181] Fix | Delete

4 => "\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[182] Fix | Delete

5 => "\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[183] Fix | Delete

6 => "\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[184] Fix | Delete

7 => "\xfe\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[185] Fix | Delete

8 => "\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[186] Fix | Delete

9 => "\xff\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[187] Fix | Delete

10 => "\xff\xc0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[188] Fix | Delete

11 => "\xff\xe0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[189] Fix | Delete

12 => "\xff\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[190] Fix | Delete

13 => "\xff\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[191] Fix | Delete

14 => "\xff\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[192] Fix | Delete

15 => "\xff\xfe\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[193] Fix | Delete

16 => "\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[194] Fix | Delete

17 => "\xff\xff\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[195] Fix | Delete

18 => "\xff\xff\xc0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[196] Fix | Delete

19 => "\xff\xff\xe0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[197] Fix | Delete

20 => "\xff\xff\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[198] Fix | Delete

21 => "\xff\xff\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[199] Fix | Delete

22 => "\xff\xff\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[200] Fix | Delete

23 => "\xff\xff\xfe\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[201] Fix | Delete

24 => "\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[202] Fix | Delete

25 => "\xff\xff\xff\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[203] Fix | Delete

26 => "\xff\xff\xff\xc0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[204] Fix | Delete

27 => "\xff\xff\xff\xe0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[205] Fix | Delete

28 => "\xff\xff\xff\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[206] Fix | Delete

29 => "\xff\xff\xff\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[207] Fix | Delete

30 => "\xff\xff\xff\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[208] Fix | Delete

31 => "\xff\xff\xff\xfe\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[209] Fix | Delete

32 => "\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[210] Fix | Delete

33 => "\xff\xff\xff\xff\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[211] Fix | Delete

34 => "\xff\xff\xff\xff\xc0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[212] Fix | Delete

35 => "\xff\xff\xff\xff\xe0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[213] Fix | Delete

36 => "\xff\xff\xff\xff\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[214] Fix | Delete

37 => "\xff\xff\xff\xff\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[215] Fix | Delete

38 => "\xff\xff\xff\xff\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[216] Fix | Delete

39 => "\xff\xff\xff\xff\xfe\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[217] Fix | Delete

40 => "\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[218] Fix | Delete

41 => "\xff\xff\xff\xff\xff\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[219] Fix | Delete

42 => "\xff\xff\xff\xff\xff\xc0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[220] Fix | Delete

43 => "\xff\xff\xff\xff\xff\xe0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[221] Fix | Delete

44 => "\xff\xff\xff\xff\xff\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[222] Fix | Delete

45 => "\xff\xff\xff\xff\xff\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[223] Fix | Delete

46 => "\xff\xff\xff\xff\xff\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[224] Fix | Delete

47 => "\xff\xff\xff\xff\xff\xfe\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[225] Fix | Delete

48 => "\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[226] Fix | Delete

49 => "\xff\xff\xff\xff\xff\xff\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[227] Fix | Delete

50 => "\xff\xff\xff\xff\xff\xff\xc0\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[228] Fix | Delete

51 => "\xff\xff\xff\xff\xff\xff\xe0\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[229] Fix | Delete

52 => "\xff\xff\xff\xff\xff\xff\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[230] Fix | Delete

53 => "\xff\xff\xff\xff\xff\xff\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[231] Fix | Delete

54 => "\xff\xff\xff\xff\xff\xff\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[232] Fix | Delete

55 => "\xff\xff\xff\xff\xff\xff\xfe\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[233] Fix | Delete

56 => "\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00",

[234] Fix | Delete

57 => "\xff\xff\xff\xff\xff\xff\xff\x80\x00\x00\x00\x00\x00\x00\x00\x00",

[235] Fix | Delete

58 => "\xff\xff\xff\xff\xff\xff\xff\xc0\x00\x00\x00\x00\x00\x00\x00\x00",

[236] Fix | Delete

59 => "\xff\xff\xff\xff\xff\xff\xff\xe0\x00\x00\x00\x00\x00\x00\x00\x00",

[237] Fix | Delete

60 => "\xff\xff\xff\xff\xff\xff\xff\xf0\x00\x00\x00\x00\x00\x00\x00\x00",

[238] Fix | Delete

61 => "\xff\xff\xff\xff\xff\xff\xff\xf8\x00\x00\x00\x00\x00\x00\x00\x00",

[239] Fix | Delete

62 => "\xff\xff\xff\xff\xff\xff\xff\xfc\x00\x00\x00\x00\x00\x00\x00\x00",

[240] Fix | Delete

63 => "\xff\xff\xff\xff\xff\xff\xff\xfe\x00\x00\x00\x00\x00\x00\x00\x00",

[241] Fix | Delete

64 => "\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00",

[242] Fix | Delete

65 => "\xff\xff\xff\xff\xff\xff\xff\xff\x80\x00\x00\x00\x00\x00\x00\x00",

[243] Fix | Delete

66 => "\xff\xff\xff\xff\xff\xff\xff\xff\xc0\x00\x00\x00\x00\x00\x00\x00",

[244] Fix | Delete

67 => "\xff\xff\xff\xff\xff\xff\xff\xff\xe0\x00\x00\x00\x00\x00\x00\x00",

[245] Fix | Delete

68 => "\xff\xff\xff\xff\xff\xff\xff\xff\xf0\x00\x00\x00\x00\x00\x00\x00",

[246] Fix | Delete

69 => "\xff\xff\xff\xff\xff\xff\xff\xff\xf8\x00\x00\x00\x00\x00\x00\x00",

[247] Fix | Delete

70 => "\xff\xff\xff\xff\xff\xff\xff\xff\xfc\x00\x00\x00\x00\x00\x00\x00",

[248] Fix | Delete

71 => "\xff\xff\xff\xff\xff\xff\xff\xff\xfe\x00\x00\x00\x00\x00\x00\x00",

[249] Fix | Delete

72 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00",

[250] Fix | Delete

73 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\x80\x00\x00\x00\x00\x00\x00",

[251] Fix | Delete

74 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xc0\x00\x00\x00\x00\x00\x00",

[252] Fix | Delete

75 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xe0\x00\x00\x00\x00\x00\x00",

[253] Fix | Delete

76 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf0\x00\x00\x00\x00\x00\x00",

[254] Fix | Delete

77 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf8\x00\x00\x00\x00\x00\x00",

[255] Fix | Delete

78 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfc\x00\x00\x00\x00\x00\x00",

[256] Fix | Delete

79 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\x00\x00\x00\x00\x00\x00",

[257] Fix | Delete

80 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00",

[258] Fix | Delete

81 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x80\x00\x00\x00\x00\x00",

[259] Fix | Delete

82 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xc0\x00\x00\x00\x00\x00",

[260] Fix | Delete

83 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xe0\x00\x00\x00\x00\x00",

[261] Fix | Delete

84 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf0\x00\x00\x00\x00\x00",

[262] Fix | Delete

85 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf8\x00\x00\x00\x00\x00",

[263] Fix | Delete

86 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfc\x00\x00\x00\x00\x00",

[264] Fix | Delete

87 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\x00\x00\x00\x00\x00",

[265] Fix | Delete

88 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00",

[266] Fix | Delete

89 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x80\x00\x00\x00\x00",

[267] Fix | Delete

90 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xc0\x00\x00\x00\x00",

[268] Fix | Delete

91 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xe0\x00\x00\x00\x00",

[269] Fix | Delete

92 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf0\x00\x00\x00\x00",

[270] Fix | Delete

93 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf8\x00\x00\x00\x00",

[271] Fix | Delete

94 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfc\x00\x00\x00\x00",

[272] Fix | Delete

95 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\x00\x00\x00\x00",

[273] Fix | Delete

96 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00",

[274] Fix | Delete

97 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x80\x00\x00\x00",

[275] Fix | Delete

98 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xc0\x00\x00\x00",

[276] Fix | Delete

99 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xe0\x00\x00\x00",

[277] Fix | Delete

100 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf0\x00\x00\x00",

[278] Fix | Delete

101 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf8\x00\x00\x00",

[279] Fix | Delete

102 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfc\x00\x00\x00",

[280] Fix | Delete

103 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\x00\x00\x00",

[281] Fix | Delete

104 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00",

[282] Fix | Delete

105 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x80\x00\x00",

[283] Fix | Delete

106 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xc0\x00\x00",

[284] Fix | Delete

107 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xe0\x00\x00",

[285] Fix | Delete

108 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf0\x00\x00",

[286] Fix | Delete

109 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf8\x00\x00",

[287] Fix | Delete

110 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfc\x00\x00",

[288] Fix | Delete

111 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\x00\x00",

[289] Fix | Delete

112 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00",

[290] Fix | Delete

113 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x80\x00",

[291] Fix | Delete

114 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xc0\x00",

[292] Fix | Delete

115 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xe0\x00",

[293] Fix | Delete

116 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf0\x00",

[294] Fix | Delete

117 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf8\x00",

[295] Fix | Delete

118 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfc\x00",

[296] Fix | Delete

119 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\x00",

[297] Fix | Delete

120 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00",

[298] Fix | Delete

121 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x80",

[299] Fix | Delete

122 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xc0",

[300] Fix | Delete

123 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xe0",

[301] Fix | Delete

124 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf0",

[302] Fix | Delete

125 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xf8",

[303] Fix | Delete

126 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfc",

[304] Fix | Delete

127 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe",

[305] Fix | Delete

128 => "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff",

[306] Fix | Delete

);

[307] Fix | Delete

/*

[308] Fix | Delete

* The above is generated by:

[309] Fix | Delete

*

[310] Fix | Delete

function gen_mask($prefix, $size = 128) {

[311] Fix | Delete

//Workaround to avoid overflow, split into four pieces

[312] Fix | Delete

$mask_1 = (pow(2, $size / 4) - 1) ^ (pow(2, min($size / 4, max(0, 1 * $size / 4 - $prefix))) - 1);

[313] Fix | Delete

$mask_2 = (pow(2, $size / 4) - 1) ^ (pow(2, min($size / 4, max(0, 2 * $size / 4 - $prefix))) - 1);

[314] Fix | Delete

$mask_3 = (pow(2, $size / 4) - 1) ^ (pow(2, min($size / 4, max(0, 3 * $size / 4 - $prefix))) - 1);

[315] Fix | Delete

$mask_4 = (pow(2, $size / 4) - 1) ^ (pow(2, min($size / 4, max(0, 4 * $size / 4 - $prefix))) - 1);

[316] Fix | Delete

return ($mask_1 ? pack('N', $mask_1) : "\0\0\0\0") . ($mask_2 ? pack('N', $mask_2) : "\0\0\0\0") . ($mask_3 ? pack('N', $mask_3) : "\0\0\0\0") . ($mask_4 ? pack('N', $mask_4) : "\0\0\0\0");

[317] Fix | Delete

}

[318] Fix | Delete

[319] Fix | Delete

$masks = array();

[320] Fix | Delete

for ($i = 0; $i <= 128; $i++) {

[321] Fix | Delete

$mask = gen_mask($i);

[322] Fix | Delete

$chars = str_split($mask);

[323] Fix | Delete

$masks[] = implode('', array_map(function($c) { return '\\x' . bin2hex($c); }, $chars));

[324] Fix | Delete

}

[325] Fix | Delete

[326] Fix | Delete

echo 'array(' . "\n";

[327] Fix | Delete

foreach ($masks as $index => $m) {

[328] Fix | Delete

echo "\t{$index} => \"{$m}\",\n";

[329] Fix | Delete

}

[330] Fix | Delete

echo ')';

[331] Fix | Delete

*

[332] Fix | Delete

*/

[333] Fix | Delete

[334] Fix | Delete

if (isset($_network_cache[$subnet])) {

[335] Fix | Delete

list($bin_network, $prefix, $masked_network) = $_network_cache[$subnet];

[336] Fix | Delete

$mask = $_masks[$prefix];

[337] Fix | Delete

}

[338] Fix | Delete

else {

[339] Fix | Delete

list($network, $prefix) = array_pad(explode('/', $subnet, 2), 2, null);

[340] Fix | Delete

if (filter_var($network, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {

[341] Fix | Delete

// If no prefix was supplied, 32 is implied for IPv4

[342] Fix | Delete

if ($prefix === null) {

[343] Fix | Delete

$prefix = 32;

[344] Fix | Delete

}

[345] Fix | Delete

[346] Fix | Delete

// Validate the IPv4 network prefix

[347] Fix | Delete

if ($prefix < 0 || $prefix > 32) {

[348] Fix | Delete

return false;

[349] Fix | Delete

}

[350] Fix | Delete

[351] Fix | Delete

// Increase the IPv4 network prefix to work in the IPv6 address space

[352] Fix | Delete

$prefix += 96;

[353] Fix | Delete

}

[354] Fix | Delete

else {

[355] Fix | Delete

// If no prefix was supplied, 128 is implied for IPv6

[356] Fix | Delete

if ($prefix === null) {

[357] Fix | Delete

$prefix = 128;

[358] Fix | Delete

}

[359] Fix | Delete

[360] Fix | Delete

// Validate the IPv6 network prefix

[361] Fix | Delete

if ($prefix < 1 || $prefix > 128) {

[362] Fix | Delete

return false;

[363] Fix | Delete

}

[364] Fix | Delete

}

[365] Fix | Delete

$mask = $_masks[$prefix];

[366] Fix | Delete

$bin_network = self::inet_pton($network);

[367] Fix | Delete

$masked_network = $bin_network & $mask;

[368] Fix | Delete

$_network_cache[$subnet] = array($bin_network, $prefix, $masked_network);

[369] Fix | Delete

}

[370] Fix | Delete

[371] Fix | Delete

if (isset($_ip_cache[$ip]) && isset($_ip_cache[$ip][$prefix])) {

[372] Fix | Delete

list($bin_ip, $masked_ip) = $_ip_cache[$ip][$prefix];

[373] Fix | Delete

}

[374] Fix | Delete

else {

[375] Fix | Delete

$bin_ip = self::inet_pton($ip);

[376] Fix | Delete

$masked_ip = $bin_ip & $mask;

[377] Fix | Delete

if (!isset($_ip_cache[$ip])) {

[378] Fix | Delete

$_ip_cache[$ip] = array();

[379] Fix | Delete

}

[380] Fix | Delete

$_ip_cache[$ip][$prefix] = array($bin_ip, $masked_ip);

[381] Fix | Delete

}

[382] Fix | Delete

[383] Fix | Delete

return ($masked_ip === $masked_network);

[384] Fix | Delete

}

[385] Fix | Delete

[386] Fix | Delete

/**

[387] Fix | Delete

* Convert CIDR notation to a wfUserIPRange object

[388] Fix | Delete

*

[389] Fix | Delete

* @param string $cidr

[390] Fix | Delete

* @return wfUserIPRange

[391] Fix | Delete

*/

[392] Fix | Delete

public static function CIDR2wfUserIPRange($cidr) {

[393] Fix | Delete

list($network, $prefix) = array_pad(explode('/', $cidr, 2), 2, null);

[394] Fix | Delete

$ip_range = new wfUserIPRange();

[395] Fix | Delete

[396] Fix | Delete

if (filter_var($network, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {

[397] Fix | Delete

// If no prefix was supplied, 32 is implied for IPv4

[398] Fix | Delete

if ($prefix === null) {

[399] Fix | Delete

$prefix = 32;

[400] Fix | Delete

}

[401] Fix | Delete

[402] Fix | Delete

// Validate the IPv4 network prefix

[403] Fix | Delete

if ($prefix < 0 || $prefix > 32) {

[404] Fix | Delete

return $ip_range;

[405] Fix | Delete

}

[406] Fix | Delete

[407] Fix | Delete

// Increase the IPv4 network prefix to work in the IPv6 address space

[408] Fix | Delete

$prefix += 96;

[409] Fix | Delete

} else {

[410] Fix | Delete

// If no prefix was supplied, 128 is implied for IPv6

[411] Fix | Delete

if ($prefix === null) {

[412] Fix | Delete

$prefix = 128;

[413] Fix | Delete

}

[414] Fix | Delete

[415] Fix | Delete

// Validate the IPv6 network prefix

[416] Fix | Delete

if ($prefix < 1 || $prefix > 128) {

[417] Fix | Delete

return $ip_range;

[418] Fix | Delete

}

[419] Fix | Delete

}

[420] Fix | Delete

[421] Fix | Delete

// Convert human readable address to 128 bit (IPv6) binary string

[422] Fix | Delete

// Note: self::inet_pton converts IPv4 addresses to IPv6 compatible versions

[423] Fix | Delete

$binary_network = self::inet_pton($network);

[424] Fix | Delete

$binary_mask = wfHelperBin::str2bin(str_pad(str_repeat('1', $prefix), 128, '0', STR_PAD_RIGHT));

[425] Fix | Delete

[426] Fix | Delete

// Calculate first and last address

[427] Fix | Delete

$binary_first = $binary_network & $binary_mask;

[428] Fix | Delete

$binary_last = $binary_network | ~ $binary_mask;

[429] Fix | Delete

[430] Fix | Delete

// Convert binary addresses back to human readable strings

[431] Fix | Delete

$first = self::inet_ntop($binary_first);

[432] Fix | Delete

$last = self::inet_ntop($binary_last);

[433] Fix | Delete

[434] Fix | Delete

if (filter_var($network, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {

[435] Fix | Delete

$first = self::expandIPv6Address($first);

[436] Fix | Delete

$last = self::expandIPv6Address($last);

[437] Fix | Delete

}

[438] Fix | Delete

[439] Fix | Delete

// Split addresses into segments

[440] Fix | Delete

$first_array = preg_split('/[\.\:]/', $first);

[441] Fix | Delete

$last_array = preg_split('/[\.\:]/', $last);

[442] Fix | Delete

[443] Fix | Delete

// Make sure arrays are the same size. IPv6 '::' could cause problems otherwise.

[444] Fix | Delete

// The strlen filter should leave zeros in place

[445] Fix | Delete

$first_array = array_pad(array_filter($first_array, 'strlen'), count($last_array), '0');

[446] Fix | Delete

[447] Fix | Delete

$range_segments = array();

[448] Fix | Delete

[449] Fix | Delete

foreach ($first_array as $index => $segment) {

[450] Fix | Delete

if ($segment === $last_array[$index]) {

[451] Fix | Delete

$range_segments[] = str_pad(ltrim($segment, '0'), 1, '0');

[452] Fix | Delete

} else if ($segment === '' || $last_array[$index] === '') {

[453] Fix | Delete

$range_segments[] = '';

[454] Fix | Delete

} else {

[455] Fix | Delete

$range_segments[] = "[". str_pad(ltrim($segment, '0'), 1, '0') . "-" .

[456] Fix | Delete

str_pad(ltrim($last_array[$index], '0'), 1, '0') . "]";

[457] Fix | Delete

}

[458] Fix | Delete

}

[459] Fix | Delete

[460] Fix | Delete

$delimiter = filter_var($network, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) ? '.' : ':';

[461] Fix | Delete

[462] Fix | Delete

$ip_range->setIPString(implode($delimiter, $range_segments));

[463] Fix | Delete

[464] Fix | Delete

return $ip_range;

[465] Fix | Delete

}

[466] Fix | Delete

[467] Fix | Delete

/**

[468] Fix | Delete

* Return dot notation of IPv4 address.

[469] Fix | Delete

*

[470] Fix | Delete

* @param int $ip

[471] Fix | Delete

* @return string|bool

[472] Fix | Delete

*/

[473] Fix | Delete

public static function inet_ntoa($ip) {

[474] Fix | Delete

$long = 4294967295 - ($ip - 1);

[475] Fix | Delete

return long2ip(-$long);

[476] Fix | Delete

}

[477] Fix | Delete

[478] Fix | Delete

/**

[479] Fix | Delete

* Return string representation of 32 bit int of the IP address.

[480] Fix | Delete

*

[481] Fix | Delete

* @param string $ip

[482] Fix | Delete

* @return string

[483] Fix | Delete

*/

[484] Fix | Delete

public static function inet_aton($ip) {

[485] Fix | Delete

$ip = preg_replace('/(?<=^|\.)0+([1-9])/', '$1', $ip);

[486] Fix | Delete

return sprintf("%u", ip2long($ip));

[487] Fix | Delete

}

[488] Fix | Delete

[489] Fix | Delete

/**

[490] Fix | Delete

* Return dot or colon notation of IPv4 or IPv6 address.

[491] Fix | Delete

*

[492] Fix | Delete

* @param string $ip

[493] Fix | Delete

* @return string|bool

[494] Fix | Delete

*/

[495] Fix | Delete

public static function inet_ntop($ip) {

[496] Fix | Delete

// trim this to the IPv4 equiv if it's in the mapped range

[497] Fix | Delete

if (strlen($ip) == 16 && substr($ip, 0, 12) == "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff") {

[498] Fix | Delete

$ip = substr($ip, 12, 4);

[499] Fix | Delete