79 lines
1.6 KiB
Go
79 lines
1.6 KiB
Go
package netutil
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import (
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"context"
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"fmt"
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"net"
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"net/http"
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"net/url"
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"sync"
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"github.com/charmbracelet/log"
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"github.com/krau/SaveAny-Bot/config"
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"golang.org/x/net/proxy"
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)
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func NewProxyDialer(proxyUrl string) (proxy.Dialer, error) {
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url, err := url.Parse(proxyUrl)
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if err != nil {
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return nil, err
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}
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return proxy.FromURL(url, proxy.Direct)
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}
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func NewProxyHTTPClient(proxyUrl string) (*http.Client, error) {
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if proxyUrl == "" {
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return &http.Client{
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Transport: &http.Transport{
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Proxy: http.ProxyFromEnvironment,
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},
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}, nil
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}
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u, err := url.Parse(proxyUrl)
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if err != nil {
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return nil, err
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}
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switch u.Scheme {
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case "http", "https":
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return &http.Client{
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Transport: &http.Transport{
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Proxy: http.ProxyURL(u),
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},
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}, nil
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case "socks5":
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dialer, err := proxy.FromURL(u, proxy.Direct)
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if err != nil {
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return nil, err
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}
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return &http.Client{
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Transport: &http.Transport{
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DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
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return dialer.Dial(network, addr)
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},
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},
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}, nil
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default:
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return nil, fmt.Errorf("unsupported proxy scheme: %s", u.Scheme)
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}
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}
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var (
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defaultProxyHttpClient *http.Client
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onceLoadDefaultProxyHttpClient sync.Once
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)
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func DefaultParserHTTPClient() *http.Client {
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onceLoadDefaultProxyHttpClient.Do(func() {
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client, err := NewProxyHTTPClient(config.C().Parser.Proxy)
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if err != nil {
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log.Warn("Failed to create default proxy HTTP client, using http.DefaultClient", "error", err)
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defaultProxyHttpClient = http.DefaultClient
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} else {
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defaultProxyHttpClient = client
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}
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})
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return defaultProxyHttpClient
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}
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