ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? 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var ip = exports; var Buffer = require('buffer').Buffer; var os = require('os'); ip.toBuffer = function(ip, buff, offset) { offset = ~~offset; var result; if (this.isV4Format(ip)) { result = buff || new Buffer(offset + 4); ip.split(/\./g).map(function(byte) { result[offset++] = parseInt(byte, 10) & 0xff; }); } else if (this.isV6Format(ip)) { var sections = ip.split(':', 8); var i; for (i = 0; i < sections.length; i++) { var isv4 = this.isV4Format(sections[i]); var v4Buffer; if (isv4) { v4Buffer = this.toBuffer(sections[i]); sections[i] = v4Buffer.slice(0, 2).toString('hex'); } if (v4Buffer && ++i < 8) { sections.splice(i, 0, v4Buffer.slice(2, 4).toString('hex')); } } if (sections[0] === '') { while (sections.length < 8) sections.unshift('0'); } else if (sections[sections.length - 1] === '') { while (sections.length < 8) sections.push('0'); } else if (sections.length < 8) { for (i = 0; i < sections.length && sections[i] !== ''; i++); var argv = [ i, 1 ]; for (i = 9 - sections.length; i > 0; i--) { argv.push('0'); } sections.splice.apply(sections, argv); } result = buff || new Buffer(offset + 16); for (i = 0; i < sections.length; i++) { var word = parseInt(sections[i], 16); result[offset++] = (word >> 8) & 0xff; result[offset++] = word & 0xff; } } if (!result) { throw Error('Invalid ip address: ' + ip); } return result; }; ip.toString = function(buff, offset, length) { offset = ~~offset; length = length || (buff.length - offset); var result = []; if (length === 4) { // IPv4 for (var i = 0; i < length; i++) { result.push(buff[offset + i]); } result = result.join('.'); } else if (length === 16) { // IPv6 for (var i = 0; i < length; i += 2) { result.push(buff.readUInt16BE(offset + i).toString(16)); } result = result.join(':'); result = result.replace(/(^|:)0(:0)*:0(:|$)/, '$1::$3'); result = result.replace(/:{3,4}/, '::'); } return result; }; var ipv4Regex = /^(\d{1,3}\.){3,3}\d{1,3}$/; var ipv6Regex = /^(::)?(((\d{1,3}\.){3}(\d{1,3}){1})?([0-9a-f]){0,4}:{0,2}){1,8}(::)?$/i; ip.isV4Format = function(ip) { return ipv4Regex.test(ip); }; ip.isV6Format = function(ip) { return ipv6Regex.test(ip); }; function _normalizeFamily(family) { return family ? family.toLowerCase() : 'ipv4'; } ip.fromPrefixLen = function(prefixlen, family) { if (prefixlen > 32) { family = 'ipv6'; } else { family = _normalizeFamily(family); } var len = 4; if (family === 'ipv6') { len = 16; } var buff = new Buffer(len); for (var i = 0, n = buff.length; i < n; ++i) { var bits = 8; if (prefixlen < 8) { bits = prefixlen; } prefixlen -= bits; buff[i] = ~(0xff >> bits) & 0xff; } return ip.toString(buff); }; ip.mask = function(addr, mask) { addr = ip.toBuffer(addr); mask = ip.toBuffer(mask); var result = new Buffer(Math.max(addr.length, mask.length)); var i = 0; // Same protocol - do bitwise and if (addr.length === mask.length) { for (i = 0; i < addr.length; i++) { result[i] = addr[i] & mask[i]; } } else if (mask.length === 4) { // IPv6 address and IPv4 mask // (Mask low bits) for (i = 0; i < mask.length; i++) { result[i] = addr[addr.length - 4 + i] & mask[i]; } } else { // IPv6 mask and IPv4 addr for (var i = 0; i < result.length - 6; i++) { result[i] = 0; } // ::ffff:ipv4 result[10] = 0xff; result[11] = 0xff; for (i = 0; i < addr.length; i++) { result[i + 12] = addr[i] & mask[i + 12]; } i = i + 12; } for (; i < result.length; i++) result[i] = 0; return ip.toString(result); }; ip.cidr = function(cidrString) { var cidrParts = cidrString.split('/'); var addr = cidrParts[0]; if (cidrParts.length !== 2) throw new Error('invalid CIDR subnet: ' + addr); var mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10)); return ip.mask(addr, mask); }; ip.subnet = function(addr, mask) { var networkAddress = ip.toLong(ip.mask(addr, mask)); // Calculate the mask's length. var maskBuffer = ip.toBuffer(mask); var maskLength = 0; for (var i = 0; i < maskBuffer.length; i++) { if (maskBuffer[i] === 0xff) { maskLength += 8; } else { var octet = maskBuffer[i] & 0xff; while (octet) { octet = (octet << 1) & 0xff; maskLength++; } } } var numberOfAddresses = Math.pow(2, 32 - maskLength); return { networkAddress: ip.fromLong(networkAddress), firstAddress: numberOfAddresses <= 2 ? ip.fromLong(networkAddress) : ip.fromLong(networkAddress + 1), lastAddress: numberOfAddresses <= 2 ? ip.fromLong(networkAddress + numberOfAddresses - 1) : ip.fromLong(networkAddress + numberOfAddresses - 2), broadcastAddress: ip.fromLong(networkAddress + numberOfAddresses - 1), subnetMask: mask, subnetMaskLength: maskLength, numHosts: numberOfAddresses <= 2 ? numberOfAddresses : numberOfAddresses - 2, length: numberOfAddresses, contains: function(other) { return networkAddress === ip.toLong(ip.mask(other, mask)); } }; }; ip.cidrSubnet = function(cidrString) { var cidrParts = cidrString.split('/'); var addr = cidrParts[0]; if (cidrParts.length !== 2) throw new Error('invalid CIDR subnet: ' + addr); var mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10)); return ip.subnet(addr, mask); }; ip.not = function(addr) { var buff = ip.toBuffer(addr); for (var i = 0; i < buff.length; i++) { buff[i] = 0xff ^ buff[i]; } return ip.toString(buff); }; ip.or = function(a, b) { a = ip.toBuffer(a); b = ip.toBuffer(b); // same protocol if (a.length === b.length) { for (var i = 0; i < a.length; ++i) { a[i] |= b[i]; } return ip.toString(a); // mixed protocols } else { var buff = a; var other = b; if (b.length > a.length) { buff = b; other = a; } var offset = buff.length - other.length; for (var i = offset; i < buff.length; ++i) { buff[i] |= other[i - offset]; } return ip.toString(buff); } }; ip.isEqual = function(a, b) { a = ip.toBuffer(a); b = ip.toBuffer(b); // Same protocol if (a.length === b.length) { for (var i = 0; i < a.length; i++) { if (a[i] !== b[i]) return false; } return true; } // Swap if (b.length === 4) { var t = b; b = a; a = t; } // a - IPv4, b - IPv6 for (var i = 0; i < 10; i++) { if (b[i] !== 0) return false; } var word = b.readUInt16BE(10); if (word !== 0 && word !== 0xffff) return false; for (var i = 0; i < 4; i++) { if (a[i] !== b[i + 12]) return false; } return true; }; ip.isPrivate = function(addr) { return /^(::f{4}:)?10\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i .test(addr) || /^(::f{4}:)?192\.168\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) || /^(::f{4}:)?172\.(1[6-9]|2\d|30|31)\.([0-9]{1,3})\.([0-9]{1,3})$/i .test(addr) || /^(::f{4}:)?127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) || /^(::f{4}:)?169\.254\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) || /^f[cd][0-9a-f]{2}:/i.test(addr) || /^fe80:/i.test(addr) || /^::1$/.test(addr) || /^::$/.test(addr); }; ip.isPublic = function(addr) { return !ip.isPrivate(addr); }; ip.isLoopback = function(addr) { return /^(::f{4}:)?127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})/ .test(addr) || /^fe80::1$/.test(addr) || /^::1$/.test(addr) || /^::$/.test(addr); }; ip.loopback = function(family) { // // Default to `ipv4` // family = _normalizeFamily(family); if (family !== 'ipv4' && family !== 'ipv6') { throw new Error('family must be ipv4 or ipv6'); } return family === 'ipv4' ? '127.0.0.1' : 'fe80::1'; }; // // ### function address (name, family) // #### @name {string|'public'|'private'} **Optional** Name or security // of the network interface. // #### @family {ipv4|ipv6} **Optional** IP family of the address (defaults // to ipv4). // // Returns the address for the network interface on the current system with // the specified `name`: // * String: First `family` address of the interface. // If not found see `undefined`. // * 'public': the first public ip address of family. // * 'private': the first private ip address of family. // * undefined: First address with `ipv4` or loopback address `127.0.0.1`. // ip.address = function(name, family) { var interfaces = os.networkInterfaces(); var all; // // Default to `ipv4` // family = _normalizeFamily(family); // // If a specific network interface has been named, // return the address. // if (name && name !== 'private' && name !== 'public') { var res = interfaces[name].filter(function(details) { var itemFamily = details.family.toLowerCase(); return itemFamily === family; }); if (res.length === 0) return undefined; return res[0].address; } var all = Object.keys(interfaces).map(function (nic) { // // Note: name will only be `public` or `private` // when this is called. // var addresses = interfaces[nic].filter(function (details) { details.family = details.family.toLowerCase(); if (details.family !== family || ip.isLoopback(details.address)) { return false; } else if (!name) { return true; } return name === 'public' ? ip.isPrivate(details.address) : ip.isPublic(details.address); }); return addresses.length ? addresses[0].address : undefined; }).filter(Boolean); return !all.length ? ip.loopback(family) : all[0]; }; ip.toLong = function(ip) { var ipl = 0; ip.split('.').forEach(function(octet) { ipl <<= 8; ipl += parseInt(octet); }); return(ipl >>> 0); }; ip.fromLong = function(ipl) { return ((ipl >>> 24) + '.' + (ipl >> 16 & 255) + '.' + (ipl >> 8 & 255) + '.' + (ipl & 255) ); };