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Files
MeshAgent/modules/proxy-helper.js
2020-06-09 14:25:28 -07:00

485 lines
20 KiB
JavaScript

/*
Copyright 2019 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
function linux_getProxy()
{
// Check Environment Variabels
if(require('fs').existsSync('/etc/environment'))
{
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
child.stdin.write('cat /etc/environment | grep = | ' + "tr '\\n' '`' | awk -F'`' '");
child.stdin.write('{');
child.stdin.write(' host=""; port=""; username=""; password=""; ')
child.stdin.write(' for(i=1;i<NF;++i)');
child.stdin.write(' {');
child.stdin.write(' if($i~/^#/) { continue; }');
child.stdin.write(' split($i,tokens,"=");');
child.stdin.write(' if(tokens[1]=="HTTP_PROXY")');
child.stdin.write(' { ');
child.stdin.write(' proxy=substr($i,2+length(tokens[1]));');
child.stdin.write(' printf "http://%s", proxy;');
child.stdin.write(' break;');
child.stdin.write(' } ');
child.stdin.write(' }');
child.stdin.write("}'\nexit\n");
child.waitExit();
if (child.stdout.str.trim() != '') { return (child.stdout.str.trim()); }
}
// Check profile.d
if(require('fs').existsSync('/etc/profile.d/proxy_setup'))
{
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
child.stdin.write("cat /etc/profile.d/proxy_setup | awk '" + '{ split($2, tok, "="); if(tok[1]=="http_proxy") { print tok[2]; }}\'\nexit\n');
child.waitExit();
return (child.stdout.str.trim().split('\n')[0]);
}
// Check gsettings
if (require('fs').existsSync('/usr/bin/gsettings'))
{
var setting;
var ids = require('user-sessions').loginUids();
for (var i in ids)
{
setting = require('linux-gnome-helpers').getProxySettings(ids[i]);
if (setting.mode == 'manual')
{
if (setting.authEnabled)
{
return ('http://' + setting.username + ':' + setting.password + '@' + setting.host + ':' + setting.port);
}
else
{
return ('http://' + setting.host + ':' + setting.port);
}
}
}
}
// check apt proxy setting fro /etc/apt/apt.conf.d/proxy.conf
if (require('fs').existsSync('/etc/apt/apt.conf.d/proxy.conf'))
{
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
child.stderr.on('data', function (c) { console.log(c.toString()); });
child.stdin.write("cat /etc/apt/apt.conf.d/proxy.conf | tr '\\n' '`' | awk -F'`' '");
child.stdin.write('{');
child.stdin.write(' for(n=1;n<NF;++n) ');
child.stdin.write(' {');
child.stdin.write(' if($n~/^#/) { continue; }')
child.stdin.write(' if($n~/^Acquire::http::proxy /)');
child.stdin.write(' {');
child.stdin.write(' split($n, dummy, "Acquire::http::proxy ");');
child.stdin.write(' print substr(dummy[2],2,length(dummy[2])-3);');
child.stdin.write(' break;');
child.stdin.write(' }');
child.stdin.write(' }');
child.stdin.write("}'\nexit\n");
child.waitExit();
if (child.stdout.str.trim() != "") { return (child.stdout.str.trim()); }
}
// check apt proxy setting fro /etc/apt/apt/apt.conf
if (require('fs').existsSync('/etc/apt/apt.conf'))
{
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
child.stderr.on('data', function (c) { console.log(c.toString()); });
child.stdin.write("cat /etc/apt/apt.conf | tr '\\n' '`' | awk -F'`' '");
child.stdin.write('{');
child.stdin.write(' for(n=1;n<NF;++n) ');
child.stdin.write(' {');
child.stdin.write(' if($n~/^#/) { continue; }')
child.stdin.write(' if($n~/^Acquire::http::proxy /)');
child.stdin.write(' {');
child.stdin.write(' split($n, dummy, "Acquire::http::proxy ");');
child.stdin.write(' print substr(dummy[2],2,length(dummy[2])-3);');
child.stdin.write(' break;');
child.stdin.write(' }');
child.stdin.write(' }');
child.stdin.write("}'\nexit\n");
child.waitExit();
if (child.stdout.str.trim() != "") { return (child.stdout.str.trim()); }
}
// check yum proxy setting
if (require('fs').existsSync('/etc/yum.conf'))
{
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
child.stderr.on('data', function (c) { console.log(c.toString()); });
child.stdin.write('cat /etc/yum.conf | grep "proxy" | ' + "tr '\\n' '`' | awk -F'`' '");
child.stdin.write('{');
child.stdin.write(' host=""; port=""; username=""; password="";');
child.stdin.write(' for(n=1;n<NF;++n)');
child.stdin.write(' {');
child.stdin.write(' if($n~/^#/) { continue; }');
child.stdin.write(' split($n,tokens,"=");');
child.stdin.write(' if(tokens[1]=="proxy")');
child.stdin.write(' {');
child.stdin.write(' split(tokens[2],dummy,"://");');
child.stdin.write(' split(dummy[2],url,":");');
child.stdin.write(' host = url[1];');
child.stdin.write(' port = url[2]; if(port=="") { port = "8080"; }');
child.stdin.write(' }');
child.stdin.write(' if(tokens[1]=="proxy_username") { username = tokens[2]; }');
child.stdin.write(' if(tokens[1]=="proxy_password") { password = tokens[2]; }');
child.stdin.write(' }');
child.stdin.write(' if(host!="" && port!="")');
child.stdin.write(' {');
child.stdin.write(' if(username!="" && password!="")');
child.stdin.write(' {');
child.stdin.write(' printf "http://%s:%s@%s:%s", username, password, host, port; ');
child.stdin.write(' }');
child.stdin.write(' else');
child.stdin.write(' {');
child.stdin.write(' printf "http://%s:%s", host, port; ');
child.stdin.write(' }');
child.stdin.write(' }');
child.stdin.write("}'\nexit\n");
child.waitExit();
if (child.stdout.str.trim() != "") { return (child.stdout.str.trim()); }
}
// openSUSE proxy setting
if (require('fs').existsSync('/etc/sysconfig/proxy'))
{
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
child.stderr.on('data', function (c) { });
child.stdin.write('cat /etc/sysconfig/proxy /root/.curlrc | grep = | ' + "tr '\\n' '`' | awk -F'`' '");
child.stdin.write('{');
child.stdin.write(' proxy=""; enabled=""; username=""; password=""; ')
child.stdin.write(' for(i=1;i<NF;++i)');
child.stdin.write(' {');
child.stdin.write(' if($i~/^#/) { continue; }');
child.stdin.write(' split($i,tokens,"=");');
child.stdin.write(' if(tokens[1]=="PROXY_ENABLED")');
child.stdin.write(' {');
child.stdin.write(' split(tokens[2],dummy,"\\"");');
child.stdin.write(' enabled = dummy[2];');
child.stdin.write(' }');
child.stdin.write(' if(tokens[1]=="HTTP_PROXY")');
child.stdin.write(' { ');
child.stdin.write(' split(tokens[2],dummy,"\\"");');
child.stdin.write(' proxy = dummy[2];');
child.stdin.write(' } ');
child.stdin.write(' if(tokens[1]~/^proxy-user/)');
child.stdin.write(' {');
child.stdin.write(' cred = substr($i,1+index($i,"="));');
child.stdin.write(' cred = substr(cred, index(cred, "\\""));');
child.stdin.write(' if(cred~/^"/) { cred = substr(cred,2,length(cred)-2); }');
child.stdin.write(' username=substr(cred,0,index(cred,":")-1);');
child.stdin.write(' password=substr(cred,1+index(cred,":"));');
child.stdin.write(' }');
child.stdin.write(' }');
child.stdin.write(' if(enabled=="yes" && proxy!="") ');
child.stdin.write(' {');
child.stdin.write(' if(username=="" || password=="") ');
child.stdin.write(' {');
child.stdin.write(' print proxy;');
child.stdin.write(' }');
child.stdin.write(' else ');
child.stdin.write(' {');
child.stdin.write(' split(proxy,dummy, "://");');
child.stdin.write(' printf "%s://%s:%s@%s", dummy[1], username, password, dummy[2];');
child.stdin.write(' }');
child.stdin.write(' }');
child.stdin.write("}'\nexit\n");
child.waitExit();
if (child.stdout.str.trim() != '') { return (child.stdout.str.trim()); }
}
if(require('fs').existsSync('/etc/login.conf'))
{
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
child.stdin.write("cat /etc/login.conf | tr '\\n' '`' | awk -F'`' '");
child.stdin.write('{');
child.stdin.write(' printf "{";');
child.stdin.write(' group=""; first=1; firstprop=0;')
child.stdin.write(' for(i=1;i<NF;++i) ');
child.stdin.write(' {');
child.stdin.write(' a=split($i,tok,":"); ');
child.stdin.write(' if(split(tok[1],dummy,"#")==1 && split(tok[1],dummy2," ")==1)');
child.stdin.write(' { ');
child.stdin.write(' if(group != "") { printf "}"; }');
child.stdin.write(' group = tok[1]; firstprop=1;');
child.stdin.write(' printf "%s\\"%s\\": {", (first==0?",":""), tok[1];');
child.stdin.write(' first=0;');
child.stdin.write(' }');
child.stdin.write(' else ');
child.stdin.write(' {');
child.stdin.write(' if(group != "" && split($i,dummy3,"\\\\")>1 && split($i, dummy4, "#")==1)');
child.stdin.write(' {');
child.stdin.write(' if(split($i,key1,"=")==1)');
child.stdin.write(' {');
child.stdin.write(' split($i,key2,":");');
child.stdin.write(' if(key2[2]!="\\\\")');
child.stdin.write(' {');
child.stdin.write(' printf "%s\\"%s\\": null",(firstprop==0?",":""),key2[2];');
child.stdin.write(' firstprop=0;')
child.stdin.write(' }');
child.stdin.write(' }');
child.stdin.write(' else');
child.stdin.write(' {');
child.stdin.write(' tmp = substr($i,2+length(key1[1]));');
child.stdin.write(' split(tmp,dummy,"\\\\");');
child.stdin.write(' tmp=substr(tmp,0,length(tmp)-2);');
child.stdin.write(' split(key1[1],keyname,":");');
child.stdin.write(' printf "%s\\"%s\\": \\"%s\\"", (firstprop==0?",":""), keyname[2], tmp;');
child.stdin.write(' firstprop=0;');
child.stdin.write(' }');
child.stdin.write(' }');
child.stdin.write(' }');
child.stdin.write(' }');
child.stdin.write(' if(group!="") { printf "}"; }')
child.stdin.write(' printf "}";');
child.stdin.write("}'");
child.stdin.write('\nexit\n');
child.waitExit();
if (child.stdout.str.trim() != '')
{
var config = null;
try
{
config = JSON.parse(child.stdout.str);
}
catch (e)
{
}
if(config)
{
// check root
if(config.root && config.root.setenv)
{
var i, tokens;
var items = config.root.setenv.split(',');
for(i=0;i<items.length;++i)
{
tokens = items[i].split('=');
if(tokens[0] == 'https_proxy' || tokens[0] == 'http_proxy')
{
return (tokens[1].trim());
}
}
}
// check default
if (config.default && config.default.setenv)
{
var i, tokens;
var items = config.default.setenv.split(',');
for (i = 0; i < items.length; ++i)
{
tokens = items[i].split('=');
if (tokens[0] == 'https_proxy' || tokens[0] == 'http_proxy')
{
return (tokens[1].trim());
}
}
}
}
}
}
throw ('No proxies');
}
function posix_proxyCheck(uid, checkAddr)
{
var g;
var x = process.env['no_proxy'] ? process.env['no_proxy'].split(',') : [];
var t;
if (require('linux-gnome-helpers').available && (g = require('linux-gnome-helpers').getProxySettings(uid)).mode != 'none')
{
x = g.exceptions;
}
for(var i in x)
{
if (x[i] == checkAddr) { return (true); } // Direct Match
if (checkAddr.endsWith('.' + x[i])) { return (true); } // Subdomain Match
if ((v = x[i].split('/')).length == 2)
{
try
{
if(require('ip-address').Address4.fromString(v[0]).mask(parseInt(v[1])) == require('ip-address').Address4.fromString(checkAddr).mask(parseInt(v[1])))
{
return(true);
}
}
catch (ex)
{
}
}
}
return (false);
}
function windows_getUserRegistryKey()
{
var i;
if ((i = require('user-sessions').getProcessOwnerName(process.pid)).tsid == 0)
{
// We are a service, so we should check the user that installed the Mesh Agent
try
{
key = require('win-registry').QueryKey(require('win-registry').HKEY.LocalMachine, 'SYSTEM\\CurrentControlSet\\Services\\Mesh Agent', '_InstalledBy');
}
catch (xx)
{
// This info isn't available, so let's try to use the currently logged in user
try
{
key = require('win-registry').usernameToUserKey(require('user-sessions').getUsername(require('user-sessions').consoleUid()));
}
catch (xxx)
{
// No users are logged in, so as a last resort, let's try the last logged in user.
var entries = require('win-registry').QueryKey(require('win-registry').HKEY.Users);
for (i in entries.subkeys)
{
if (entries.subkeys[i].split('-').length > 5 && !entries.subkeys[i].endsWith('_Classes'))
{
key = entries.subkeys[i];
break;
}
}
}
}
}
else
{
// We are a logged in user
key = require('win-registry').usernameToUserKey(i.name);
}
if (!key) { throw ('Could not determine which user proxy setting to query'); }
return (key);
}
function windows_proxyCheck(key, checkAddr)
{
if (!key) { key = windows_getUserRegistryKey(); }
var proxyOverride = require('win-registry').QueryKey(require('win-registry').HKEY.Users, key + '\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings', 'ProxyOverride').split(';');
for(var i in proxyOverride)
{
proxyOverride[i] = proxyOverride[i].trim();
if ((checkAddr == '127.0.0.1' || checkAddr == '::1') && proxyOverride[i] == '<local>') { return (true); }
if (checkAddr == proxyOverride[i]) { return (true); } // Exact Match
if (proxyOverride[i].startsWith('*.') && checkAddr.endsWith(proxyOverride[i].substring(1))) { return (true); }
if (proxyOverride[i].endsWith('.*') && checkAddr.startsWith(proxyOverride[i].substring(0, proxyOverride[i].length - 1))) { return (true); }
}
return (false);
}
function macos_getProxy()
{
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
child.stderr.str = ''; child.stderr.on('data', function (c) { this.str += c.toString(); });
child.stdin.write("scutil --proxy | tr '\\n' '`' | awk -F'`' '");
child.stdin.write('{');
child.stdin.write(' pstart=0;')
child.stdin.write(' for(i=1;i<NF;++i)');
child.stdin.write(" {");
child.stdin.write(' if(split($i,dummy,"ExceptionsList ")>1)');
child.stdin.write(" {");
child.stdin.write(' printf "{ \\"exceptions\\": [";');
child.stdin.write(' ++i;');
child.stdin.write(' fstart=1; pstart=1;');
child.stdin.write(' for(;i<NF;++i)');
child.stdin.write(' {');
child.stdin.write(' if(split($i,dummy,"}")>1) { break; } ');
child.stdin.write(' split($i, val, " : ");');
child.stdin.write(' printf "%s\\"%s\\"", (fstart==0?",":""), val[2];');
child.stdin.write(' fstart=0;');
child.stdin.write(' }');
child.stdin.write(' printf "]";');
child.stdin.write(' continue;');
child.stdin.write(" }");
child.stdin.write(' else');
child.stdin.write(' {');
child.stdin.write(' if(pstart==1 && split($i,dummy,"}")==1)');
child.stdin.write(' {');
child.stdin.write(' split($i,tok," : ");');
child.stdin.write(' split(tok[1],key," ");');
child.stdin.write(' printf ",\\"%s\\": \\"%s\\"", key[1], tok[2];');
child.stdin.write(' }');
child.stdin.write(' }')
child.stdin.write(" }");
child.stdin.write(' printf "}";');
child.stdin.write("}'\nexit\n");
child.waitExit();
if(child.stdout.str != '')
{
try
{
var p = JSON.parse(child.stdout.str);
if(p.HTTPEnable == "1")
{
return('http://' + p.HTTPProxy + ':' + p.HTTPPort);
}
}
catch(e)
{
console.log(e);
}
}
throw ('No Proxies');
}
function windows_getProxy()
{
var isroot = false;
var key, value;
key = windows_getUserRegistryKey();
try
{
if (require('win-registry').QueryKey(require('win-registry').HKEY.Users, key + '\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings', 'ProxyEnable') == 1)
{
// Proxy is enabled
return (require('win-registry').QueryKey(require('win-registry').HKEY.Users, key + '\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings', 'ProxyServer'));
}
}
catch(e)
{
throw ('No proxies');
}
}
switch (process.platform)
{
case 'linux':
case 'freebsd':
module.exports = { ignoreProxy: posix_proxyCheck, getProxy: linux_getProxy };
break;
case 'win32':
module.exports = { ignoreProxy: windows_proxyCheck, getProxy: windows_getProxy };
break;
case 'darwin':
module.exports = { getProxy: macos_getProxy };
break;
}