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cmd/imageproxy: add support for listening on Unix socket

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Allows listening to Unix domain socket with the `-addr` option.
The syntax is `unix:path`. (same as nginx `listen` directive)
This commit is contained in:
Albert Song 2020-12-16 11:52:20 +08:00 • committed by Will Norris
parent 816f1a6855
commit 731fa16921
1 changed files with 16 additions and 3 deletions
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19
cmd/imageproxy/main.go
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@ -8,6 +8,7 @@ import (
"flag"
"fmt"
"log"
"net"
"net/http"
"net/url"
"os"
@ -30,7 +31,7 @@ import (
const defaultMemorySize = 100
var addr = flag.String("addr", "localhost:8080", "TCP address to listen on")
var addr = flag.String("addr", "localhost:8080", "address to listen on, either a TCP address or a Unix domain socket path prefixed with unix:")
var allowHosts = flag.String("allowHosts", "", "comma separated list of allowed remote hosts")
var denyHosts = flag.String("denyHosts", "", "comma separated list of denied remote hosts")
var referrers = flag.String("referrers", "", "comma separated list of allowed referring hosts")
@ -92,6 +93,18 @@ func main() {
p.MinimumCacheDuration = *minCacheDuration
p.ForceCache = *forceCache
var ln net.Listener
var err error
if path, ok := strings.CutPrefix(*addr, "unix:"); ok {
ln, err = net.Listen("unix", path)
} else {
ln, err = net.Listen("tcp", *addr)
}
if err != nil {
log.Fatalf("listen failed: %v", err)
}
server := &http.Server{
Addr: *addr,
Handler: p,
@ -101,8 +114,8 @@ func main() {
IdleTimeout: 120 * time.Second,
}
fmt.Printf("imageproxy listening on %s\n", server.Addr)
log.Fatal(server.ListenAndServe())
fmt.Printf("imageproxy listening on %s\n", *addr)
log.Fatal(server.Serve(ln))
}
type signatureKeyList [][]byte