mirror of https://github.com/knative/caching.git
72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
/*
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Copyright 2019 The Knative Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package network
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import (
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"context"
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"crypto/tls"
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"net"
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"net/http"
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"time"
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"golang.org/x/net/http2"
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"golang.org/x/net/http2/h2c"
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)
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// NewServer returns a new HTTP Server with HTTP2 handler.
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func NewServer(addr string, h http.Handler) *http.Server {
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h1s := &http.Server{
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Addr: addr,
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Handler: h2c.NewHandler(h, &http2.Server{}),
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ReadHeaderTimeout: time.Minute, //https://medium.com/a-journey-with-go/go-understand-and-mitigate-slowloris-attack-711c1b1403f6
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}
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return h1s
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}
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// NewH2CTransport constructs a new H2C transport.
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// That transport will reroute all HTTPS traffic to HTTP. This is
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// to explicitly allow h2c (http2 without TLS) transport.
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// See https://github.com/golang/go/issues/14141 for more details.
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func NewH2CTransport() http.RoundTripper {
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return newH2CTransport(false)
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}
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func newH2CTransport(disableCompression bool) http.RoundTripper {
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return &http2.Transport{
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AllowHTTP: true,
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DisableCompression: disableCompression,
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DialTLS: func(netw, addr string, _ *tls.Config) (net.Conn, error) {
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return DialWithBackOff(context.Background(),
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netw, addr)
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},
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}
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}
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// newH2Transport constructs a neew H2 transport. That transport will handles HTTPS traffic
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// with TLS config.
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func newH2Transport(disableCompression bool, tlsConf *tls.Config) http.RoundTripper {
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return &http2.Transport{
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DisableCompression: disableCompression,
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DialTLS: func(netw, addr string, tlsConf *tls.Config) (net.Conn, error) {
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return DialTLSWithBackOff(context.Background(),
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netw, addr, tlsConf)
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},
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TLSClientConfig: tlsConf,
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}
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}
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