57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package proxy
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import (
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"fmt"
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"net/http"
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"net/url"
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"golang.org/x/net/proxy"
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)
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type HTTPProxy struct {
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UseSystemProxy bool `toml:"use_system_proxy"`
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HTTPProxyURL string `toml:"http_proxy_url"`
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}
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type proxyFunc func(req *http.Request) (*url.URL, error)
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func (p *HTTPProxy) Proxy() (proxyFunc, error) {
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if p.UseSystemProxy {
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return http.ProxyFromEnvironment, nil
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} else if len(p.HTTPProxyURL) > 0 {
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address, err := url.Parse(p.HTTPProxyURL)
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if err != nil {
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return nil, fmt.Errorf("error parsing proxy url %q: %w", p.HTTPProxyURL, err)
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}
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return http.ProxyURL(address), nil
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}
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return nil, nil
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}
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type TCPProxy struct {
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UseProxy bool `toml:"use_proxy"`
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ProxyURL string `toml:"proxy_url"`
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}
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func (p *TCPProxy) Proxy() (*ProxiedDialer, error) {
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var dialer proxy.Dialer
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if p.UseProxy {
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if len(p.ProxyURL) > 0 {
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parsed, err := url.Parse(p.ProxyURL)
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if err != nil {
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return nil, fmt.Errorf("error parsing proxy url %q: %w", p.ProxyURL, err)
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}
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if dialer, err = proxy.FromURL(parsed, proxy.Direct); err != nil {
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return nil, err
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}
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} else {
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dialer = proxy.FromEnvironment()
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}
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} else {
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dialer = proxy.Direct
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}
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return &ProxiedDialer{dialer}, nil
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}
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