source: trip-planner-front/node_modules/node-gyp/lib/proxy.js@ bdd6491

Last change on this file since bdd6491 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 2.6 KB
Line 
1'use strict'
2// Taken from https://github.com/request/request/blob/212570b/lib/getProxyFromURI.js
3
4const url = require('url')
5
6function formatHostname (hostname) {
7 // canonicalize the hostname, so that 'oogle.com' won't match 'google.com'
8 return hostname.replace(/^\.*/, '.').toLowerCase()
9}
10
11function parseNoProxyZone (zone) {
12 zone = zone.trim().toLowerCase()
13
14 var zoneParts = zone.split(':', 2)
15 var zoneHost = formatHostname(zoneParts[0])
16 var zonePort = zoneParts[1]
17 var hasPort = zone.indexOf(':') > -1
18
19 return { hostname: zoneHost, port: zonePort, hasPort: hasPort }
20}
21
22function uriInNoProxy (uri, noProxy) {
23 var port = uri.port || (uri.protocol === 'https:' ? '443' : '80')
24 var hostname = formatHostname(uri.hostname)
25 var noProxyList = noProxy.split(',')
26
27 // iterate through the noProxyList until it finds a match.
28 return noProxyList.map(parseNoProxyZone).some(function (noProxyZone) {
29 var isMatchedAt = hostname.indexOf(noProxyZone.hostname)
30 var hostnameMatched = (
31 isMatchedAt > -1 &&
32 (isMatchedAt === hostname.length - noProxyZone.hostname.length)
33 )
34
35 if (noProxyZone.hasPort) {
36 return (port === noProxyZone.port) && hostnameMatched
37 }
38
39 return hostnameMatched
40 })
41}
42
43function getProxyFromURI (gyp, env, uri) {
44 // If a string URI/URL was given, parse it into a URL object
45 if (typeof uri === 'string') {
46 // eslint-disable-next-line
47 uri = url.parse(uri)
48 }
49
50 // Decide the proper request proxy to use based on the request URI object and the
51 // environmental variables (NO_PROXY, HTTP_PROXY, etc.)
52 // respect NO_PROXY environment variables (see: https://lynx.invisible-island.net/lynx2.8.7/breakout/lynx_help/keystrokes/environments.html)
53
54 var noProxy = gyp.opts.noproxy || env.NO_PROXY || env.no_proxy || env.npm_config_noproxy || ''
55
56 // if the noProxy is a wildcard then return null
57
58 if (noProxy === '*') {
59 return null
60 }
61
62 // if the noProxy is not empty and the uri is found return null
63
64 if (noProxy !== '' && uriInNoProxy(uri, noProxy)) {
65 return null
66 }
67
68 // Check for HTTP or HTTPS Proxy in environment Else default to null
69
70 if (uri.protocol === 'http:') {
71 return gyp.opts.proxy ||
72 env.HTTP_PROXY ||
73 env.http_proxy ||
74 env.npm_config_proxy || null
75 }
76
77 if (uri.protocol === 'https:') {
78 return gyp.opts.proxy ||
79 env.HTTPS_PROXY ||
80 env.https_proxy ||
81 env.HTTP_PROXY ||
82 env.http_proxy ||
83 env.npm_config_proxy || null
84 }
85
86 // if none of that works, return null
87 // (What uri protocol are you using then?)
88
89 return null
90}
91
92module.exports = getProxyFromURI
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