aboutsummaryrefslogtreecommitdiff
path: root/node_modules/proxy-addr/index.js
diff options
context:
space:
mode:
authornanalelfe <nargiza.nosirova@mail.utoronto.ca>2016-07-28 02:20:52 +0000
committernanalelfe <nargiza.nosirova@mail.utoronto.ca>2016-07-28 02:20:52 +0000
commit4cff38c8f7b65dab1fd72ea835ea7288327d1056 (patch)
treeac93acd69e77eef1e352af953d56238d70ea9c5d /node_modules/proxy-addr/index.js
parente11dd98c9a55cd1742d221e3b1ea90d31e240fa8 (diff)
Fixed admin bug
Diffstat (limited to 'node_modules/proxy-addr/index.js')
-rw-r--r--node_modules/proxy-addr/index.js321
1 files changed, 0 insertions, 321 deletions
diff --git a/node_modules/proxy-addr/index.js b/node_modules/proxy-addr/index.js
deleted file mode 100644
index 0b3cf0b..0000000
--- a/node_modules/proxy-addr/index.js
+++ /dev/null
@@ -1,321 +0,0 @@
-/*!
- * proxy-addr
- * Copyright(c) 2014-2016 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict'
-
-/**
- * Module exports.
- */
-
-module.exports = proxyaddr;
-module.exports.all = alladdrs;
-module.exports.compile = compile;
-
-/**
- * Module dependencies.
- */
-
-var forwarded = require('forwarded');
-var ipaddr = require('ipaddr.js');
-
-/**
- * Variables.
- */
-
-var digitre = /^[0-9]+$/;
-var isip = ipaddr.isValid;
-var parseip = ipaddr.parse;
-
-/**
- * Pre-defined IP ranges.
- */
-
-var ipranges = {
- linklocal: ['169.254.0.0/16', 'fe80::/10'],
- loopback: ['127.0.0.1/8', '::1/128'],
- uniquelocal: ['10.0.0.0/8', '172.16.0.0/12', '192.168.0.0/16', 'fc00::/7']
-};
-
-/**
- * Get all addresses in the request, optionally stopping
- * at the first untrusted.
- *
- * @param {Object} request
- * @param {Function|Array|String} [trust]
- * @api public
- */
-
-function alladdrs(req, trust) {
- // get addresses
- var addrs = forwarded(req);
-
- if (!trust) {
- // Return all addresses
- return addrs;
- }
-
- if (typeof trust !== 'function') {
- trust = compile(trust);
- }
-
- for (var i = 0; i < addrs.length - 1; i++) {
- if (trust(addrs[i], i)) continue;
-
- addrs.length = i + 1;
- }
-
- return addrs;
-}
-
-/**
- * Compile argument into trust function.
- *
- * @param {Array|String} val
- * @api private
- */
-
-function compile(val) {
- if (!val) {
- throw new TypeError('argument is required');
- }
-
- var trust = typeof val === 'string'
- ? [val]
- : val;
-
- if (!Array.isArray(trust)) {
- throw new TypeError('unsupported trust argument');
- }
-
- for (var i = 0; i < trust.length; i++) {
- val = trust[i];
-
- if (!ipranges.hasOwnProperty(val)) {
- continue;
- }
-
- // Splice in pre-defined range
- val = ipranges[val];
- trust.splice.apply(trust, [i, 1].concat(val));
- i += val.length - 1;
- }
-
- return compileTrust(compileRangeSubnets(trust));
-}
-
-/**
- * Compile `arr` elements into range subnets.
- *
- * @param {Array} arr
- * @api private
- */
-
-function compileRangeSubnets(arr) {
- var rangeSubnets = new Array(arr.length);
-
- for (var i = 0; i < arr.length; i++) {
- rangeSubnets[i] = parseipNotation(arr[i]);
- }
-
- return rangeSubnets;
-}
-
-/**
- * Compile range subnet array into trust function.
- *
- * @param {Array} rangeSubnets
- * @api private
- */
-
-function compileTrust(rangeSubnets) {
- // Return optimized function based on length
- var len = rangeSubnets.length;
- return len === 0
- ? trustNone
- : len === 1
- ? trustSingle(rangeSubnets[0])
- : trustMulti(rangeSubnets);
-}
-
-/**
- * Parse IP notation string into range subnet.
- *
- * @param {String} note
- * @api private
- */
-
-function parseipNotation(note) {
- var pos = note.lastIndexOf('/');
- var str = pos !== -1
- ? note.substring(0, pos)
- : note;
-
- if (!isip(str)) {
- throw new TypeError('invalid IP address: ' + str);
- }
-
- var ip = parseip(str);
-
- if (pos === -1 && ip.kind() === 'ipv6' && ip.isIPv4MappedAddress()) {
- // Store as IPv4
- ip = ip.toIPv4Address();
- }
-
- var max = ip.kind() === 'ipv6'
- ? 128
- : 32;
-
- var range = pos !== -1
- ? note.substring(pos + 1, note.length)
- : null;
-
- if (range === null) {
- range = max;
- } else if (digitre.test(range)) {
- range = parseInt(range, 10);
- } else if (ip.kind() === 'ipv4' && isip(range)) {
- range = parseNetmask(range);
- } else {
- range = null;
- }
-
- if (range <= 0 || range > max) {
- throw new TypeError('invalid range on address: ' + note);
- }
-
- return [ip, range];
-}
-
-/**
- * Parse netmask string into CIDR range.
- *
- * @param {String} netmask
- * @api private
- */
-
-function parseNetmask(netmask) {
- var ip = parseip(netmask);
- var kind = ip.kind();
-
- return kind === 'ipv4'
- ? ip.prefixLengthFromSubnetMask()
- : null;
-}
-
-/**
- * Determine address of proxied request.
- *
- * @param {Object} request
- * @param {Function|Array|String} trust
- * @api public
- */
-
-function proxyaddr(req, trust) {
- if (!req) {
- throw new TypeError('req argument is required');
- }
-
- if (!trust) {
- throw new TypeError('trust argument is required');
- }
-
- var addrs = alladdrs(req, trust);
- var addr = addrs[addrs.length - 1];
-
- return addr;
-}
-
-/**
- * Static trust function to trust nothing.
- *
- * @api private
- */
-
-function trustNone() {
- return false;
-}
-
-/**
- * Compile trust function for multiple subnets.
- *
- * @param {Array} subnets
- * @api private
- */
-
-function trustMulti(subnets) {
- return function trust(addr) {
- if (!isip(addr)) return false;
-
- var ip = parseip(addr);
- var ipconv;
- var kind = ip.kind();
-
- for (var i = 0; i < subnets.length; i++) {
- var subnet = subnets[i];
- var subnetip = subnet[0];
- var subnetkind = subnetip.kind();
- var subnetrange = subnet[1];
- var trusted = ip;
-
- if (kind !== subnetkind) {
- if (subnetkind === 'ipv4' && !ip.isIPv4MappedAddress()) {
- // Incompatible IP addresses
- continue;
- }
-
- if (!ipconv) {
- // Convert IP to match subnet IP kind
- ipconv = subnetkind === 'ipv4'
- ? ip.toIPv4Address()
- : ip.toIPv4MappedAddress();
- }
-
- trusted = ipconv;
- }
-
- if (trusted.match(subnetip, subnetrange)) {
- return true;
- }
- }
-
- return false;
- };
-}
-
-/**
- * Compile trust function for single subnet.
- *
- * @param {Object} subnet
- * @api private
- */
-
-function trustSingle(subnet) {
- var subnetip = subnet[0];
- var subnetkind = subnetip.kind();
- var subnetisipv4 = subnetkind === 'ipv4';
- var subnetrange = subnet[1];
-
- return function trust(addr) {
- if (!isip(addr)) return false;
-
- var ip = parseip(addr);
- var kind = ip.kind();
-
- if (kind !== subnetkind) {
- if (subnetisipv4 && !ip.isIPv4MappedAddress()) {
- // Incompatible IP addresses
- return false;
- }
-
- // Convert IP to match subnet IP kind
- ip = subnetisipv4
- ? ip.toIPv4Address()
- : ip.toIPv4MappedAddress();
- }
-
- return ip.match(subnetip, subnetrange);
- };
-}