44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package ieproxy
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import (
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"net/http"
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"net/url"
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"golang.org/x/net/http/httpproxy"
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)
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func proxyMiddleman() func(req *http.Request) (i *url.URL, e error) {
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// Get the proxy configuration
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conf := GetConf()
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envCfg := httpproxy.FromEnvironment()
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if envCfg.HTTPProxy != "" || envCfg.HTTPSProxy != "" {
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// If the user manually specifies environment variables, prefer those over the MacOS config.
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return http.ProxyFromEnvironment
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}
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return func(req *http.Request) (i *url.URL, e error) {
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if conf.Automatic.Active {
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host := conf.Automatic.FindProxyForURL(req.URL.String())
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if host != "" {
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return &url.URL{Host: host}, nil
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}
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}
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if conf.Static.Active {
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return staticProxy(conf, req)
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}
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// Should return no proxy; fallthrough.
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return http.ProxyFromEnvironment(req)
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}
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}
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func staticProxy(conf ProxyConf, req *http.Request) (i *url.URL, e error) {
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// If static proxy obtaining is specified
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proxy := httpproxy.Config{
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HTTPSProxy: conf.Static.Protocols["https"],
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HTTPProxy: conf.Static.Protocols["http"],
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NoProxy: conf.Static.NoProxy,
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}
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return proxy.ProxyFunc()(req.URL)
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}
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