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// Copyright 2015 Matthew Holt and The Caddy Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package httpcaddyfile
import (
"fmt"
"strconv"
"github.com/caddyserver/caddy/v2"
"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
)
func parseOptHTTPPort(d *caddyfile.Dispenser) (int, error) {
var httpPort int
for d.Next() {
var httpPortStr string
if !d.AllArgs(&httpPortStr) {
return 0, d.ArgErr()
}
var err error
httpPort, err = strconv.Atoi(httpPortStr)
if err != nil {
return 0, d.Errf("converting port '%s' to integer value: %v", httpPortStr, err)
}
}
return httpPort, nil
}
func parseOptHTTPSPort(d *caddyfile.Dispenser) (int, error) {
var httpsPort int
for d.Next() {
var httpsPortStr string
if !d.AllArgs(&httpsPortStr) {
return 0, d.ArgErr()
}
var err error
httpsPort, err = strconv.Atoi(httpsPortStr)
if err != nil {
return 0, d.Errf("converting port '%s' to integer value: %v", httpsPortStr, err)
}
}
return httpsPort, nil
}
func parseOptExperimentalHTTP3(d *caddyfile.Dispenser) (bool, error) {
return true, nil
}
func parseOptOrder(d *caddyfile.Dispenser) ([]string, error) {
newOrder := directiveOrder
for d.Next() {
// get directive name
if !d.Next() {
return nil, d.ArgErr()
}
dirName := d.Val()
if _, ok := registeredDirectives[dirName]; !ok {
return nil, fmt.Errorf("%s is not a registered directive", dirName)
}
// get positional token
if !d.Next() {
return nil, d.ArgErr()
}
pos := d.Val()
// if directive exists, first remove it
for i, d := range newOrder {
if d == dirName {
newOrder = append(newOrder[:i], newOrder[i+1:]...)
break
}
}
// act on the positional
switch pos {
case "first":
newOrder = append([]string{dirName}, newOrder...)
if d.NextArg() {
return nil, d.ArgErr()
}
directiveOrder = newOrder
return newOrder, nil
case "last":
newOrder = append(newOrder, dirName)
if d.NextArg() {
return nil, d.ArgErr()
}
directiveOrder = newOrder
return newOrder, nil
case "before":
case "after":
default:
return nil, fmt.Errorf("unknown positional '%s'", pos)
}
// get name of other directive
if !d.NextArg() {
return nil, d.ArgErr()
}
otherDir := d.Val()
if d.NextArg() {
return nil, d.ArgErr()
}
// insert directive into proper position
for i, d := range newOrder {
if d == otherDir {
if pos == "before" {
newOrder = append(newOrder[:i], append([]string{dirName}, newOrder[i:]...)...)
} else if pos == "after" {
newOrder = append(newOrder[:i+1], append([]string{dirName}, newOrder[i+1:]...)...)
}
break
}
}
}
directiveOrder = newOrder
return newOrder, nil
}
func parseOptStorage(d *caddyfile.Dispenser) (caddy.StorageConverter, error) {
if !d.Next() {
return nil, d.ArgErr()
}
args := d.RemainingArgs()
if len(args) != 1 {
return nil, d.ArgErr()
}
modName := args[0]
mod, err := caddy.GetModule("caddy.storage." + modName)
if err != nil {
return nil, fmt.Errorf("getting storage module '%s': %v", modName, err)
}
unm, ok := mod.New().(caddyfile.Unmarshaler)
if !ok {
return nil, fmt.Errorf("storage module '%s' is not a Caddyfile unmarshaler", mod.ID)
}
err = unm.UnmarshalCaddyfile(d.NewFromNextSegment())
if err != nil {
return nil, err
}
storage, ok := unm.(caddy.StorageConverter)
if !ok {
return nil, fmt.Errorf("module %s is not a StorageConverter", mod.ID)
}
return storage, nil
}
func parseOptACME(d *caddyfile.Dispenser) (string, error) {
d.Next() // consume parameter name
if !d.Next() {
return "", d.ArgErr()
}
val := d.Val()
if d.Next() {
return "", d.ArgErr()
}
return val, nil
}
func parseOptEmail(d *caddyfile.Dispenser) (string, error) {
d.Next() // consume parameter name
if !d.Next() {
return "", d.ArgErr()
}
val := d.Val()
if d.Next() {
return "", d.ArgErr()
}
return val, nil
}
func parseOptAdmin(d *caddyfile.Dispenser) (string, error) {
if d.Next() {
var listenAddress string
d.AllArgs(&listenAddress)
if listenAddress == "" {
listenAddress = caddy.DefaultAdminListen
}
return listenAddress, nil
}
return "", nil
}
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