Infrastructure/caddy
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websocket directive, upgrade comparison

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This commit is contained in:
Austin 2015-05-30 11:34:54 -07:00
parent 2d6ff40649
commit 56ec7b9887
2 changed files with 19 additions and 8 deletions
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4
middleware/proxy/reverseproxy.go
View file

@ -16,7 +16,7 @@ import (
"time"
)
const HTTPSwitchProtocols = 101
const HTTPSwitchingProtocols = 101
// onExitFlushLoop is a callback set by tests to detect the state of the
// flushLoop() goroutine.
@ -155,7 +155,7 @@ func (p *ReverseProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request, extr
copyHeader(rw.Header(), res.Header)
if res.StatusCode == HTTPSwitchProtocols {
if res.StatusCode == HTTPSwitchingProtocols && outreq.Header.Get("Upgrade") == "websocket" {
hj, ok := rw.(http.Hijacker)
if !ok {
return nil

23
middleware/proxy/upstream.go
View file

@ -12,7 +12,10 @@ import (
"github.com/mholt/caddy/config/parse"
)
var supportedPolicies map[string]func() Policy = make(map[string]func() Policy)
var (
supportedPolicies map[string]func() Policy = make(map[string]func() Policy)
proxyHeaders http.Header
)
type staticUpstream struct {
from string
@ -40,7 +43,7 @@ func NewStaticUpstreams(c parse.Dispenser) ([]Upstream, error) {
FailTimeout: 10 * time.Second,
MaxFails: 1,
}
var proxyHeaders http.Header
if !c.Args(&upstream.from) {
return upstreams, c.ArgErr()
}
@ -97,10 +100,10 @@ func NewStaticUpstreams(c parse.Dispenser) ([]Upstream, error) {
if !c.Args(&header, &value) {
return upstreams, c.ArgErr()
}
if proxyHeaders == nil {
proxyHeaders = make(map[string][]string)
}
proxyHeaders.Add(header, value)
addProxyHeader(header, value)
case "websocket":
addProxyHeader("Connection", "{>Connection}")
addProxyHeader("Upgrade", "{>Upgrade}")
}
}
@ -150,6 +153,14 @@ func RegisterPolicy(name string, policy func() Policy) {
supportedPolicies[name] = policy
}
// AddProxyHeader adds a proxy header.
func addProxyHeader(header, value string) {
if proxyHeaders == nil {
proxyHeaders = make(map[string][]string)
}
proxyHeaders.Add(header, value)
}
func (u *staticUpstream) From() string {
return u.from
}