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Published: Oct 8, 2022 License: Apache-2.0 Imports: 11 Imported by: 0



Package httpclient is used by the upstreaming forwardproxy to establish connections to http(s) upstreams. it implements x/net/proxy.Dialer interface



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func NewHttp2Conn

func NewHttp2Conn(c net.Conn, pipedReqBody *io.PipeWriter, respBody io.ReadCloser) net.Conn


type ContextKeyHeader

type ContextKeyHeader struct{}

Users of context.WithValue should define their own types for keys

type HTTPConnectDialer

type HTTPConnectDialer struct {
	ProxyURL      url.URL
	DefaultHeader http.Header

	// TODO: If spkiFp is set, use it as SPKI fingerprint to confirm identity of the
	// proxy, instead of relying on standard PKI CA roots
	SpkiFP []byte

	Dialer net.Dialer // overridden dialer allow to control establishment of TCP connection

	// overridden DialTLS allows user to control establishment of TLS connection
	// MUST return connection with completed Handshake, and NegotiatedProtocol
	DialTLS func(network string, address string) (net.Conn, string, error)

	EnableH2ConnReuse bool
	// contains filtered or unexported fields

HTTPConnectDialer allows to configure one-time use HTTP CONNECT client

func NewHTTPConnectDialer

func NewHTTPConnectDialer(proxyURLStr string) (*HTTPConnectDialer, error)

NewHTTPConnectDialer creates a client to issue CONNECT requests and tunnel traffic via HTTPS proxy. proxyURLStr must provide Scheme and Host, may provide credentials and port. Example:

func (*HTTPConnectDialer) Dial

func (c *HTTPConnectDialer) Dial(network, address string) (net.Conn, error)

func (*HTTPConnectDialer) DialContext

func (c *HTTPConnectDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error)

ctx.Value will be inspected for optional ContextKeyHeader{} key, with `http.Header` value, which will be added to outgoing request headers, overriding any colliding c.DefaultHeader

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