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daren.hsu
2022-07-18 02:50:52 +00:00
parent befd344ab0
commit 06181b34d6
8569 changed files with 818704 additions and 352705 deletions
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node_modules/ip/lib/ip.js
Generated Vendored
+107 -96
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@@ -1,17 +1,15 @@
'use strict';
var ip = exports;
var Buffer = require('buffer').Buffer;
var { Buffer } = require('buffer');
var os = require('os');
ip.toBuffer = function(ip, buff, offset) {
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) {
ip.split(/\./g).map((byte) => {
result[offset++] = parseInt(byte, 10) & 0xff;
});
} else if (this.isV6Format(ip)) {
@@ -38,7 +36,7 @@ ip.toBuffer = function(ip, buff, offset) {
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 ];
var argv = [i, 1];
for (i = 9 - sections.length; i > 0; i--) {
argv.push('0');
}
@@ -54,26 +52,27 @@ ip.toBuffer = function(ip, buff, offset) {
}
if (!result) {
throw Error('Invalid ip address: ' + ip);
throw Error(`Invalid ip address: ${ip}`);
}
return result;
};
ip.toString = function(buff, offset, length) {
ip.toString = function (buff, offset, length) {
offset = ~~offset;
length = length || (buff.length - offset);
var result = [];
var i;
if (length === 4) {
// IPv4
for (var i = 0; i < length; i++) {
for (i = 0; i < length; i++) {
result.push(buff[offset + i]);
}
result = result.join('.');
} else if (length === 16) {
// IPv6
for (var i = 0; i < length; i += 2) {
for (i = 0; i < length; i += 2) {
result.push(buff.readUInt16BE(offset + i).toString(16));
}
result = result.join(':');
@@ -85,21 +84,27 @@ ip.toString = function(buff, offset, length) {
};
var ipv4Regex = /^(\d{1,3}\.){3,3}\d{1,3}$/;
var ipv6Regex =
/^(::)?(((\d{1,3}\.){3}(\d{1,3}){1})?([0-9a-f]){0,4}:{0,2}){1,8}(::)?$/i;
var ipv6Regex = /^(::)?(((\d{1,3}\.){3}(\d{1,3}){1})?([0-9a-f]){0,4}:{0,2}){1,8}(::)?$/i;
ip.isV4Format = function(ip) {
ip.isV4Format = function (ip) {
return ipv4Regex.test(ip);
};
ip.isV6Format = function(ip) {
ip.isV6Format = function (ip) {
return ipv6Regex.test(ip);
};
function _normalizeFamily(family) {
if (family === 4) {
return 'ipv4';
}
if (family === 6) {
return 'ipv6';
}
return family ? family.toLowerCase() : 'ipv4';
}
ip.fromPrefixLen = function(prefixlen, family) {
ip.fromPrefixLen = function (prefixlen, family) {
if (prefixlen > 32) {
family = 'ipv6';
} else {
@@ -125,14 +130,14 @@ ip.fromPrefixLen = function(prefixlen, family) {
return ip.toString(buff);
};
ip.mask = function(addr, mask) {
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
var i;
if (addr.length === mask.length) {
for (i = 0; i < addr.length; i++) {
result[i] = addr[i] & mask[i];
@@ -141,11 +146,11 @@ ip.mask = function(addr, mask) {
// IPv6 address and IPv4 mask
// (Mask low bits)
for (i = 0; i < mask.length; i++) {
result[i] = addr[addr.length - 4 + i] & mask[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++) {
for (i = 0; i < result.length - 6; i++) {
result[i] = 0;
}
@@ -155,27 +160,29 @@ ip.mask = function(addr, mask) {
for (i = 0; i < addr.length; i++) {
result[i + 12] = addr[i] & mask[i + 12];
}
i = i + 12;
i += 12;
}
for (; i < result.length; i++)
for (; i < result.length; i++) {
result[i] = 0;
}
return ip.toString(result);
};
ip.cidr = function(cidrString) {
ip.cidr = function (cidrString) {
var cidrParts = cidrString.split('/');
var addr = cidrParts[0];
if (cidrParts.length !== 2)
throw new Error('invalid CIDR subnet: ' + addr);
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) {
ip.subnet = function (addr, mask) {
var networkAddress = ip.toLong(ip.mask(addr, mask));
// Calculate the mask's length.
@@ -198,37 +205,38 @@ ip.subnet = function(addr, mask) {
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),
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,
numHosts: numberOfAddresses <= 2
? numberOfAddresses : numberOfAddresses - 2,
length: numberOfAddresses,
contains: function(other) {
contains(other) {
return networkAddress === ip.toLong(ip.mask(other, mask));
}
},
};
};
ip.cidrSubnet = function(cidrString) {
ip.cidrSubnet = function (cidrString) {
var cidrParts = cidrString.split('/');
var addr = cidrParts[0];
if (cidrParts.length !== 2)
throw new Error('invalid CIDR subnet: ' + addr);
if (cidrParts.length !== 2) {
throw new Error(`invalid CIDR subnet: ${addr}`);
}
var mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));
return ip.subnet(addr, mask);
};
ip.not = function(addr) {
ip.not = function (addr) {
var buff = ip.toBuffer(addr);
for (var i = 0; i < buff.length; i++) {
buff[i] = 0xff ^ buff[i];
@@ -236,42 +244,45 @@ ip.not = function(addr) {
return ip.toString(buff);
};
ip.or = function(a, b) {
ip.or = function (a, b) {
var i;
a = ip.toBuffer(a);
b = ip.toBuffer(b);
// same protocol
if (a.length === b.length) {
for (var i = 0; i < a.length; ++i) {
for (i = 0; i < a.length; ++i) {
a[i] |= b[i];
}
return ip.toString(a);
// mixed protocols
} else {
var buff = a;
var other = b;
if (b.length > a.length) {
buff = b;
other = a;
}
var offset = buff.length - other.length;
for (var i = offset; i < buff.length; ++i) {
buff[i] |= other[i - offset];
}
return ip.toString(buff);
}
var buff = a;
var other = b;
if (b.length > a.length) {
buff = b;
other = a;
}
var offset = buff.length - other.length;
for (i = offset; i < buff.length; ++i) {
buff[i] |= other[i - offset];
}
return ip.toString(buff);
};
ip.isEqual = function(a, b) {
ip.isEqual = function (a, b) {
var i;
a = ip.toBuffer(a);
b = ip.toBuffer(b);
// Same protocol
if (a.length === b.length) {
for (var i = 0; i < a.length; i++) {
for (i = 0; i < a.length; i++) {
if (a[i] !== b[i]) return false;
}
return true;
@@ -285,47 +296,47 @@ ip.isEqual = function(a, b) {
}
// a - IPv4, b - IPv6
for (var i = 0; i < 10; i++) {
for (i = 0; i < 10; i++) {
if (b[i] !== 0) return false;
}
var word = b.readUInt16BE(10);
if (word !== 0 && word !== 0xffff) return false;
for (var i = 0; i < 4; i++) {
for (i = 0; i < 4; i++) {
if (a[i] !== b[i + 12]) return false;
}
return true;
};
ip.isPrivate = function(addr) {
ip.isPrivate = function (addr) {
return /^(::f{4}:)?10\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/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);
.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) {
ip.isPublic = function (addr) {
return !ip.isPrivate(addr);
};
ip.isLoopback = function(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) ||
/^::$/.test(addr);
.test(addr)
|| /^fe80::1$/.test(addr)
|| /^::1$/.test(addr)
|| /^::$/.test(addr);
};
ip.loopback = function(family) {
ip.loopback = function (family) {
//
// Default to `ipv4`
//
@@ -353,9 +364,8 @@ ip.loopback = function(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) {
ip.address = function (name, family) {
var interfaces = os.networkInterfaces();
var all;
//
// Default to `ipv4`
@@ -367,30 +377,31 @@ ip.address = function(name, family) {
// return the address.
//
if (name && name !== 'private' && name !== 'public') {
var res = interfaces[name].filter(function(details) {
var itemFamily = details.family.toLowerCase();
var res = interfaces[name].filter((details) => {
var itemFamily = _normalizeFamily(details.family);
return itemFamily === family;
});
if (res.length === 0)
if (res.length === 0) {
return undefined;
}
return res[0].address;
}
var all = Object.keys(interfaces).map(function (nic) {
var all = Object.keys(interfaces).map((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();
var addresses = interfaces[nic].filter((details) => {
details.family = _normalizeFamily(details.family);
if (details.family !== family || ip.isLoopback(details.address)) {
return false;
} else if (!name) {
} if (!name) {
return true;
}
return name === 'public' ? ip.isPrivate(details.address) :
ip.isPublic(details.address);
return name === 'public' ? ip.isPrivate(details.address)
: ip.isPublic(details.address);
});
return addresses.length ? addresses[0].address : undefined;
@@ -399,18 +410,18 @@ ip.address = function(name, family) {
return !all.length ? ip.loopback(family) : all[0];
};
ip.toLong = function(ip) {
ip.toLong = function (ip) {
var ipl = 0;
ip.split('.').forEach(function(octet) {
ip.split('.').forEach((octet) => {
ipl <<= 8;
ipl += parseInt(octet);
});
return(ipl >>> 0);
return (ipl >>> 0);
};
ip.fromLong = function(ipl) {
return ((ipl >>> 24) + '.' +
(ipl >> 16 & 255) + '.' +
(ipl >> 8 & 255) + '.' +
(ipl & 255) );
ip.fromLong = function (ipl) {
return (`${ipl >>> 24}.${
ipl >> 16 & 255}.${
ipl >> 8 & 255}.${
ipl & 255}`);
};