diff options
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/ip/lib/ip.js')
| -rw-r--r-- | sandbox/testAppNevena/Front/node_modules/ip/lib/ip.js | 416 |
1 files changed, 0 insertions, 416 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/ip/lib/ip.js b/sandbox/testAppNevena/Front/node_modules/ip/lib/ip.js deleted file mode 100644 index c1799a8c..00000000 --- a/sandbox/testAppNevena/Front/node_modules/ip/lib/ip.js +++ /dev/null @@ -1,416 +0,0 @@ -'use strict'; - -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) ); -}; |