Marvin Preuss
1d4ae27878
All checks were successful
continuous-integration/drone/push Build is passing
53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package ieproxy
|
|
|
|
import (
|
|
"net/http"
|
|
"net/url"
|
|
|
|
"golang.org/x/net/http/httpproxy"
|
|
)
|
|
|
|
func proxyMiddleman() func(req *http.Request) (i *url.URL, e error) {
|
|
// Get the proxy configuration
|
|
conf := GetConf()
|
|
envcfg := httpproxy.FromEnvironment()
|
|
|
|
if envcfg.HTTPProxy != "" || envcfg.HTTPSProxy != "" {
|
|
// If the user manually specifies environment variables, prefer those over the Windows config.
|
|
return http.ProxyFromEnvironment
|
|
}
|
|
|
|
return func(req *http.Request) (i *url.URL, e error) {
|
|
if conf.Automatic.Active {
|
|
host := conf.Automatic.FindProxyForURL(req.URL.String())
|
|
if host != "" {
|
|
return &url.URL{Host: host}, nil
|
|
}
|
|
}
|
|
if conf.Static.Active {
|
|
return staticProxy(conf, req)
|
|
}
|
|
// Should return no proxy; fallthrough.
|
|
return http.ProxyFromEnvironment(req)
|
|
}
|
|
}
|
|
|
|
func staticProxy(conf ProxyConf, req *http.Request) (i *url.URL, e error) {
|
|
// If static proxy obtaining is specified
|
|
prox := httpproxy.Config{
|
|
HTTPSProxy: mapFallback("https", "", conf.Static.Protocols),
|
|
HTTPProxy: mapFallback("http", "", conf.Static.Protocols),
|
|
NoProxy: conf.Static.NoProxy,
|
|
}
|
|
return prox.ProxyFunc()(req.URL)
|
|
}
|
|
|
|
// Return oKey or fbKey if oKey doesn't exist in the map.
|
|
func mapFallback(oKey, fbKey string, m map[string]string) string {
|
|
if v, ok := m[oKey]; ok {
|
|
return v
|
|
} else {
|
|
return m[fbKey]
|
|
}
|
|
}
|