....................................../////.===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 : 198.54.126.4  /  Your IP : 216.73.216.22
Web Server : Apache
System : Linux host55.registrar-servers.com 4.18.0-513.18.1.lve.2.el8.x86_64 #1 SMP Sat Mar 30 15:36:11 UTC 2024 x86_64
User : aeaw ( 7508)
PHP Version : 8.1.33
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /home/aeaw/www/node_modules/v8-compile-cache/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /home/aeaw/www/node_modules/v8-compile-cache/v8-compile-cache.js
'use strict';

const Module = require('module');
const crypto = require('crypto');
const fs = require('fs');
const path = require('path');
const vm = require('vm');
const os = require('os');

const hasOwnProperty = Object.prototype.hasOwnProperty;

//------------------------------------------------------------------------------
// FileSystemBlobStore
//------------------------------------------------------------------------------

class FileSystemBlobStore {
  constructor(directory, prefix) {
    const name = prefix ? slashEscape(prefix + '.') : '';
    this._blobFilename = path.join(directory, name + 'BLOB');
    this._mapFilename = path.join(directory, name + 'MAP');
    this._lockFilename = path.join(directory, name + 'LOCK');
    this._directory = directory;
    this._load();
  }

  has(key, invalidationKey) {
    if (hasOwnProperty.call(this._memoryBlobs, key)) {
      return this._invalidationKeys[key] === invalidationKey;
    } else if (hasOwnProperty.call(this._storedMap, key)) {
      return this._storedMap[key][0] === invalidationKey;
    }
    return false;
  }

  get(key, invalidationKey) {
    if (hasOwnProperty.call(this._memoryBlobs, key)) {
      if (this._invalidationKeys[key] === invalidationKey) {
        return this._memoryBlobs[key];
      }
    } else if (hasOwnProperty.call(this._storedMap, key)) {
      const mapping = this._storedMap[key];
      if (mapping[0] === invalidationKey) {
        return this._storedBlob.slice(mapping[1], mapping[2]);
      }
    }
  }

  set(key, invalidationKey, buffer) {
    this._invalidationKeys[key] = invalidationKey;
    this._memoryBlobs[key] = buffer;
    this._dirty = true;
  }

  delete(key) {
    if (hasOwnProperty.call(this._memoryBlobs, key)) {
      this._dirty = true;
      delete this._memoryBlobs[key];
    }
    if (hasOwnProperty.call(this._invalidationKeys, key)) {
      this._dirty = true;
      delete this._invalidationKeys[key];
    }
    if (hasOwnProperty.call(this._storedMap, key)) {
      this._dirty = true;
      delete this._storedMap[key];
    }
  }

  isDirty() {
    return this._dirty;
  }

  save() {
    const dump = this._getDump();
    const blobToStore = Buffer.concat(dump[0]);
    const mapToStore = JSON.stringify(dump[1]);

    try {
      mkdirpSync(this._directory);
      fs.writeFileSync(this._lockFilename, 'LOCK', {flag: 'wx'});
    } catch (error) {
      // Swallow the exception if we fail to acquire the lock.
      return false;
    }

    try {
      fs.writeFileSync(this._blobFilename, blobToStore);
      fs.writeFileSync(this._mapFilename, mapToStore);
    } finally {
      fs.unlinkSync(this._lockFilename);
    }

    return true;
  }

  _load() {
    try {
      this._storedBlob = fs.readFileSync(this._blobFilename);
      this._storedMap = JSON.parse(fs.readFileSync(this._mapFilename));
    } catch (e) {
      this._storedBlob = Buffer.alloc(0);
      this._storedMap = {};
    }
    this._dirty = false;
    this._memoryBlobs = {};
    this._invalidationKeys = {};
  }

  _getDump() {
    const buffers = [];
    const newMap = {};
    let offset = 0;

    function push(key, invalidationKey, buffer) {
      buffers.push(buffer);
      newMap[key] = [invalidationKey, offset, offset + buffer.length];
      offset += buffer.length;
    }

    for (const key of Object.keys(this._memoryBlobs)) {
      const buffer = this._memoryBlobs[key];
      const invalidationKey = this._invalidationKeys[key];
      push(key, invalidationKey, buffer);
    }

    for (const key of Object.keys(this._storedMap)) {
      if (hasOwnProperty.call(newMap, key)) continue;
      const mapping = this._storedMap[key];
      const buffer = this._storedBlob.slice(mapping[1], mapping[2]);
      push(key, mapping[0], buffer);
    }

    return [buffers, newMap];
  }
}

//------------------------------------------------------------------------------
// NativeCompileCache
//------------------------------------------------------------------------------

class NativeCompileCache {
  constructor() {
    this._cacheStore = null;
    this._previousModuleCompile = null;
  }

  setCacheStore(cacheStore) {
    this._cacheStore = cacheStore;
  }

  install() {
    const self = this;
    const hasRequireResolvePaths = typeof require.resolve.paths === 'function';
    this._previousModuleCompile = Module.prototype._compile;
    Module.prototype._compile = function(content, filename) {
      const mod = this;

      function require(id) {
        return mod.require(id);
      }

      // https://github.com/nodejs/node/blob/v10.15.3/lib/internal/modules/cjs/helpers.js#L28
      function resolve(request, options) {
        return Module._resolveFilename(request, mod, false, options);
      }
      require.resolve = resolve;

      // https://github.com/nodejs/node/blob/v10.15.3/lib/internal/modules/cjs/helpers.js#L37
      // resolve.resolve.paths was added in v8.9.0
      if (hasRequireResolvePaths) {
        resolve.paths = function paths(request) {
          return Module._resolveLookupPaths(request, mod, true);
        };
      }

      require.main = process.mainModule;

      // Enable support to add extra extension types
      require.extensions = Module._extensions;
      require.cache = Module._cache;

      const dirname = path.dirname(filename);

      const compiledWrapper = self._moduleCompile(filename, content);

      // We skip the debugger setup because by the time we run, node has already
      // done that itself.

      // `Buffer` is included for Electron.
      // See https://github.com/zertosh/v8-compile-cache/pull/10#issuecomment-518042543
      const args = [mod.exports, require, mod, filename, dirname, process, global, Buffer];
      return compiledWrapper.apply(mod.exports, args);
    };
  }

  uninstall() {
    Module.prototype._compile = this._previousModuleCompile;
  }

  _moduleCompile(filename, content) {
    // https://github.com/nodejs/node/blob/v7.5.0/lib/module.js#L511

    // Remove shebang
    var contLen = content.length;
    if (contLen >= 2) {
      if (content.charCodeAt(0) === 35/*#*/ &&
          content.charCodeAt(1) === 33/*!*/) {
        if (contLen === 2) {
          // Exact match
          content = '';
        } else {
          // Find end of shebang line and slice it off
          var i = 2;
          for (; i < contLen; ++i) {
            var code = content.charCodeAt(i);
            if (code === 10/*\n*/ || code === 13/*\r*/) break;
          }
          if (i === contLen) {
            content = '';
          } else {
            // Note that this actually includes the newline character(s) in the
            // new output. This duplicates the behavior of the regular
            // expression that was previously used to replace the shebang line
            content = content.slice(i);
          }
        }
      }
    }

    // create wrapper function
    var wrapper = Module.wrap(content);

    var invalidationKey = crypto
      .createHash('sha1')
      .update(content, 'utf8')
      .digest('hex');

    var buffer = this._cacheStore.get(filename, invalidationKey);

    var script = new vm.Script(wrapper, {
      filename: filename,
      lineOffset: 0,
      displayErrors: true,
      cachedData: buffer,
      produceCachedData: true,
    });

    if (script.cachedDataProduced) {
      this._cacheStore.set(filename, invalidationKey, script.cachedData);
    } else if (script.cachedDataRejected) {
      this._cacheStore.delete(filename);
    }

    var compiledWrapper = script.runInThisContext({
      filename: filename,
      lineOffset: 0,
      columnOffset: 0,
      displayErrors: true,
    });

    return compiledWrapper;
  }
}

//------------------------------------------------------------------------------
// utilities
//
// https://github.com/substack/node-mkdirp/blob/f2003bb/index.js#L55-L98
// https://github.com/zertosh/slash-escape/blob/e7ebb99/slash-escape.js
//------------------------------------------------------------------------------

function mkdirpSync(p_) {
  _mkdirpSync(path.resolve(p_), 0o777);
}

function _mkdirpSync(p, mode) {
  try {
    fs.mkdirSync(p, mode);
  } catch (err0) {
    if (err0.code === 'ENOENT') {
      _mkdirpSync(path.dirname(p));
      _mkdirpSync(p);
    } else {
      try {
        const stat = fs.statSync(p);
        if (!stat.isDirectory()) { throw err0; }
      } catch (err1) {
        throw err0;
      }
    }
  }
}

function slashEscape(str) {
  const ESCAPE_LOOKUP = {
    '\\': 'zB',
    ':': 'zC',
    '/': 'zS',
    '\x00': 'z0',
    'z': 'zZ',
  };
  const ESCAPE_REGEX = /[\\:/\x00z]/g; // eslint-disable-line no-control-regex
  return str.replace(ESCAPE_REGEX, match => ESCAPE_LOOKUP[match]);
}

function supportsCachedData() {
  const script = new vm.Script('""', {produceCachedData: true});
  // chakracore, as of v1.7.1.0, returns `false`.
  return script.cachedDataProduced === true;
}

function getCacheDir() {
  const v8_compile_cache_cache_dir = process.env.V8_COMPILE_CACHE_CACHE_DIR;
  if (v8_compile_cache_cache_dir) {
    return v8_compile_cache_cache_dir;
  }

  // Avoid cache ownership issues on POSIX systems.
  const dirname = typeof process.getuid === 'function'
    ? 'v8-compile-cache-' + process.getuid()
    : 'v8-compile-cache';
  const version = typeof process.versions.v8 === 'string'
    ? process.versions.v8
    : typeof process.versions.chakracore === 'string'
      ? 'chakracore-' + process.versions.chakracore
      : 'node-' + process.version;
  const cacheDir = path.join(os.tmpdir(), dirname, version);
  return cacheDir;
}

function getParentName() {
  // `module.parent.filename` is undefined or null when:
  //    * node -e 'require("v8-compile-cache")'
  //    * node -r 'v8-compile-cache'
  //    * Or, requiring from the REPL.
  const parentName = module.parent && typeof module.parent.filename === 'string'
    ? module.parent.filename
    : process.cwd();
  return parentName;
}

//------------------------------------------------------------------------------
// main
//------------------------------------------------------------------------------

if (!process.env.DISABLE_V8_COMPILE_CACHE && supportsCachedData()) {
  const cacheDir = getCacheDir();
  const prefix = getParentName();
  const blobStore = new FileSystemBlobStore(cacheDir, prefix);

  const nativeCompileCache = new NativeCompileCache();
  nativeCompileCache.setCacheStore(blobStore);
  nativeCompileCache.install();

  process.once('exit', () => {
    if (blobStore.isDirty()) {
      blobStore.save();
    }
    nativeCompileCache.uninstall();
  });
}

module.exports.__TEST__ = {
  FileSystemBlobStore,
  NativeCompileCache,
  mkdirpSync,
  slashEscape,
  supportsCachedData,
  getCacheDir,
  getParentName,
};

Youez - 2016 - github.com/yon3zu
LinuXploit