mirror of
https://github.com/fumiama/terasu.git
synced 2026-06-05 01:00:23 +08:00
100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
package http2
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import (
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"context"
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"crypto/tls"
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"errors"
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"io"
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"net"
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"net/http"
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"net/url"
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"time"
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"golang.org/x/net/http2"
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"github.com/fumiama/terasu"
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"github.com/fumiama/terasu/dns"
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)
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var (
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ErrEmptyHostAddress = errors.New("empty host addr")
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)
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var defaultDialer = net.Dialer{
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Timeout: 10 * time.Second,
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}
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func SetDefaultClientTimeout(t time.Duration) {
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defaultDialer.Timeout = t
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}
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var DefaultClient = http.Client{
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Transport: &http2.Transport{
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DialTLSContext: func(ctx context.Context, network, addr string, cfg *tls.Config) (net.Conn, error) {
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host, port, err := net.SplitHostPort(addr)
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if err != nil {
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return nil, err
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}
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addrs, err := dns.LookupHost(ctx, host)
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if err != nil {
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return nil, err
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}
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if len(addr) == 0 {
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return nil, ErrEmptyHostAddress
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}
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var conn net.Conn
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var tlsConn *tls.Conn
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for _, a := range addrs {
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if defaultDialer.Timeout != 0 {
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var cancel context.CancelFunc
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ctx, cancel = context.WithTimeout(context.Background(), defaultDialer.Timeout)
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defer cancel()
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} else if !defaultDialer.Deadline.IsZero() {
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var cancel context.CancelFunc
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ctx, cancel = context.WithDeadline(context.Background(), defaultDialer.Deadline)
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defer cancel()
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}
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conn, err = defaultDialer.DialContext(ctx, network, net.JoinHostPort(a, port))
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if err != nil {
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continue
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}
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tlsConn = tls.Client(conn, cfg)
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err = terasu.Use(tlsConn).HandshakeContext(ctx, terasu.DefaultFirstFragmentLen)
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if err == nil {
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break
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}
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_ = tlsConn.Close()
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tlsConn = nil
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conn, err = defaultDialer.DialContext(ctx, network, net.JoinHostPort(a, port))
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if err != nil {
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continue
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}
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tlsConn = tls.Client(conn, cfg)
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err = tlsConn.HandshakeContext(ctx)
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if err == nil {
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break
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}
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_ = tlsConn.Close()
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tlsConn = nil
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}
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return tlsConn, err
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},
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},
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}
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func Get(url string) (resp *http.Response, err error) {
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return DefaultClient.Get(url)
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}
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func Head(url string) (resp *http.Response, err error) {
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return DefaultClient.Head(url)
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}
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func Post(url string, contentType string, body io.Reader) (resp *http.Response, err error) {
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return DefaultClient.Post(url, contentType, body)
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}
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func PostForm(url string, data url.Values) (resp *http.Response, err error) {
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return DefaultClient.PostForm(url, data)
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}
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