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Handle host names case insensitively.

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RFC 3986 3.2.2: The host subcomponent is case-insensitive.
This commit is contained in:
Wolfgang Johannes Kohnen 2016-04-06 21:36:46 +00:00
parent e4e773c9ea
commit 497ebb9ccb
3 changed files with 11 additions and 0 deletions
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4
caddy/parse/parsing.go
View file

@ -104,6 +104,7 @@ func (p *parser) addresses() error {
if err != nil {
return err
}
p.block.Addresses = append(p.block.Addresses, addr)
}
@ -329,6 +330,9 @@ func standardAddress(str string) (address, error) {
}
}
// "The host subcomponent is case-insensitive." (RFC 3986)
host = strings.ToLower(host)
// see if we can set port based off scheme
if port == "" {
if scheme == "http" {

3
caddy/parse/parsing_test.go
View file

@ -13,7 +13,9 @@ func TestStandardAddress(t *testing.T) {
shouldErr bool
}{
{`localhost`, "", "localhost", "", false},
{`LOCALHOST`, "", "localhost", "", false},
{`localhost:1234`, "", "localhost", "1234", false},
{`LOCALHOST:1234`, "", "localhost", "1234", false},
{`localhost:`, "", "localhost", "", false},
{`0.0.0.0`, "", "0.0.0.0", "", false},
{`127.0.0.1:1234`, "", "127.0.0.1", "1234", false},
@ -35,6 +37,7 @@ func TestStandardAddress(t *testing.T) {
{`https://127.0.0.1`, "https", "127.0.0.1", "443", false},
{`http://[::1]`, "http", "::1", "80", false},
{`http://localhost:1234`, "http", "localhost", "1234", false},
{`http://LOCALHOST:1234`, "http", "localhost", "1234", false},
{`https://127.0.0.1:1234`, "https", "127.0.0.1", "1234", false},
{`http://[::1]:1234`, "http", "::1", "1234", false},
{``, "", "", "", false},

4
server/server.go
View file

@ -13,6 +13,7 @@ import (
"net/http"
"os"
"runtime"
"strings"
"sync"
"time"
)
@ -301,6 +302,9 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
host = r.Host // oh well
}
// "The host subcomponent is case-insensitive." (RFC 3986)
host = strings.ToLower(host)
// Try the host as given, or try falling back to 0.0.0.0 (wildcard)
if _, ok := s.vhosts[host]; !ok {
if _, ok2 := s.vhosts["0.0.0.0"]; ok2 {