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proxies.go
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/
proxies.go
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package net
import (
"fmt"
"net"
"net/url"
"github.com/twstrike/coyim/i18n"
)
// Proxy contains information about a proxy specification
type Proxy struct {
Scheme string
User *string
Pass *string
Host *string
Port *string
Path *string
}
var proxyTypes = [][]string{
[]string{"tor-auto", "Automatic Tor"},
[]string{"socks5", "SOCKS5"},
[]string{"socks5+unix", "SOCKS5 over Unix Domain Socket"},
}
// FindProxyTypeFor returns the index of the proxy type given
func FindProxyTypeFor(s string) int {
for ix, px := range proxyTypes {
if px[0] == s {
return ix
}
}
return -1
}
// GetProxyTypeNames will yield all i18n proxy names to the function
func GetProxyTypeNames(f func(string)) {
for _, px := range proxyTypes {
f(i18n.Local(px[1]))
}
}
// GetProxyTypeFor will return the proxy type for the given i18n proxy name
func GetProxyTypeFor(act string) string {
for _, px := range proxyTypes {
if act == i18n.Local(px[1]) {
return px[0]
}
}
return ""
}
// ParseProxy parses the given specification and returns a Proxy object with it
func ParseProxy(px string) Proxy {
prox := Proxy{}
p, _ := url.Parse(px)
prox.Scheme = p.Scheme
if p.User != nil {
u := p.User.Username()
prox.User = &u
pas, pasSet := p.User.Password()
if pasSet {
prox.Pass = &pas
}
}
var err error
if p.Host != "" {
var potHost, potPort string
potHost, potPort, err = net.SplitHostPort(p.Host)
if err != nil && err.(*net.AddrError).Err == "missing port in address" {
prox.Host = &p.Host
} else {
prox.Host = &potHost
prox.Port = &potPort
}
}
if p.Path != "" {
prox.Path = &p.Path
}
return prox
}
func orEmpty(s *string) string {
if s == nil {
return ""
}
return *s
}
// ForProcessing represents a string valid for computer processing
func (p Proxy) ForProcessing() string {
us := ""
ps := ""
compose := ""
if p.User != nil {
us = *p.User
compose = "@"
if p.Pass != nil {
ps = ":" + *p.Pass
}
}
pr := ""
if p.Port != nil {
pr = ":" + *p.Port
}
return fmt.Sprintf("%s://%s%s%s%s%s%s", p.Scheme, us, ps, compose, orEmpty(p.Host), pr, orEmpty(p.Path))
}
// ForPresentation represents a string valid for user presentation - blanking out the password
func (p Proxy) ForPresentation() string {
us := ""
ps := ""
compose := ""
if p.User != nil {
us = *p.User
compose = "@"
if p.Pass != nil {
ps = ":*****"
}
}
pr := ""
if p.Port != nil {
pr = ":" + *p.Port
}
return fmt.Sprintf("%s://%s%s%s%s%s%s", p.Scheme, us, ps, compose, orEmpty(p.Host), pr, orEmpty(p.Path))
}