mirror of https://github.com/caddyserver/caddy.git
492 lines
12 KiB
Go
492 lines
12 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package httpcaddyfile
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import (
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"strconv"
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"github.com/caddyserver/certmagic"
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"github.com/mholt/acmez/acme"
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"github.com/caddyserver/caddy/v2"
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"github.com/caddyserver/caddy/v2/caddyconfig"
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"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
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"github.com/caddyserver/caddy/v2/modules/caddytls"
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)
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func init() {
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RegisterGlobalOption("debug", parseOptTrue)
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RegisterGlobalOption("http_port", parseOptHTTPPort)
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RegisterGlobalOption("https_port", parseOptHTTPSPort)
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RegisterGlobalOption("default_bind", parseOptStringList)
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RegisterGlobalOption("grace_period", parseOptDuration)
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RegisterGlobalOption("shutdown_delay", parseOptDuration)
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RegisterGlobalOption("default_sni", parseOptSingleString)
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RegisterGlobalOption("fallback_sni", parseOptSingleString)
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RegisterGlobalOption("order", parseOptOrder)
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RegisterGlobalOption("storage", parseOptStorage)
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RegisterGlobalOption("storage_clean_interval", parseOptDuration)
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RegisterGlobalOption("renew_interval", parseOptDuration)
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RegisterGlobalOption("ocsp_interval", parseOptDuration)
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RegisterGlobalOption("acme_ca", parseOptSingleString)
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RegisterGlobalOption("acme_ca_root", parseOptSingleString)
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RegisterGlobalOption("acme_dns", parseOptACMEDNS)
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RegisterGlobalOption("acme_eab", parseOptACMEEAB)
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RegisterGlobalOption("cert_issuer", parseOptCertIssuer)
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RegisterGlobalOption("skip_install_trust", parseOptTrue)
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RegisterGlobalOption("email", parseOptSingleString)
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RegisterGlobalOption("admin", parseOptAdmin)
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RegisterGlobalOption("on_demand_tls", parseOptOnDemand)
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RegisterGlobalOption("local_certs", parseOptTrue)
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RegisterGlobalOption("key_type", parseOptSingleString)
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RegisterGlobalOption("auto_https", parseOptAutoHTTPS)
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RegisterGlobalOption("servers", parseServerOptions)
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RegisterGlobalOption("ocsp_stapling", parseOCSPStaplingOptions)
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RegisterGlobalOption("log", parseLogOptions)
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RegisterGlobalOption("preferred_chains", parseOptPreferredChains)
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RegisterGlobalOption("persist_config", parseOptPersistConfig)
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}
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func parseOptTrue(d *caddyfile.Dispenser, _ any) (any, error) { return true, nil }
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func parseOptHTTPPort(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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var httpPort int
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var httpPortStr string
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if !d.AllArgs(&httpPortStr) {
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return 0, d.ArgErr()
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}
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var err error
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httpPort, err = strconv.Atoi(httpPortStr)
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if err != nil {
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return 0, d.Errf("converting port '%s' to integer value: %v", httpPortStr, err)
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}
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return httpPort, nil
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}
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func parseOptHTTPSPort(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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var httpsPort int
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var httpsPortStr string
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if !d.AllArgs(&httpsPortStr) {
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return 0, d.ArgErr()
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}
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var err error
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httpsPort, err = strconv.Atoi(httpsPortStr)
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if err != nil {
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return 0, d.Errf("converting port '%s' to integer value: %v", httpsPortStr, err)
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}
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return httpsPort, nil
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}
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func parseOptOrder(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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// get directive name
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if !d.Next() {
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return nil, d.ArgErr()
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}
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dirName := d.Val()
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if _, ok := registeredDirectives[dirName]; !ok {
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return nil, d.Errf("%s is not a registered directive", dirName)
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}
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// get positional token
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if !d.Next() {
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return nil, d.ArgErr()
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}
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pos := Positional(d.Val())
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newOrder := directiveOrder
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// if directive exists, first remove it
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for i, d := range newOrder {
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if d == dirName {
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newOrder = append(newOrder[:i], newOrder[i+1:]...)
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break
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}
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}
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// act on the positional
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switch pos {
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case First:
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newOrder = append([]string{dirName}, newOrder...)
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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directiveOrder = newOrder
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return newOrder, nil
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case Last:
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newOrder = append(newOrder, dirName)
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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directiveOrder = newOrder
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return newOrder, nil
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case Before:
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case After:
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default:
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return nil, d.Errf("unknown positional '%s'", pos)
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}
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// get name of other directive
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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otherDir := d.Val()
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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// insert directive into proper position
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for i, d := range newOrder {
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if d == otherDir {
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if pos == Before {
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newOrder = append(newOrder[:i], append([]string{dirName}, newOrder[i:]...)...)
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} else if pos == After {
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newOrder = append(newOrder[:i+1], append([]string{dirName}, newOrder[i+1:]...)...)
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}
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break
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}
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}
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directiveOrder = newOrder
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return newOrder, nil
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}
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func parseOptStorage(d *caddyfile.Dispenser, _ any) (any, error) {
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if !d.Next() { // consume option name
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return nil, d.ArgErr()
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}
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if !d.Next() { // get storage module name
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return nil, d.ArgErr()
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}
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modID := "caddy.storage." + d.Val()
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unm, err := caddyfile.UnmarshalModule(d, modID)
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if err != nil {
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return nil, err
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}
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storage, ok := unm.(caddy.StorageConverter)
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if !ok {
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return nil, d.Errf("module %s is not a caddy.StorageConverter", modID)
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}
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return storage, nil
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}
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func parseOptDuration(d *caddyfile.Dispenser, _ any) (any, error) {
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if !d.Next() { // consume option name
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return nil, d.ArgErr()
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}
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if !d.Next() { // get duration value
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return nil, d.ArgErr()
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}
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dur, err := caddy.ParseDuration(d.Val())
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if err != nil {
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return nil, err
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}
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return caddy.Duration(dur), nil
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}
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func parseOptACMEDNS(d *caddyfile.Dispenser, _ any) (any, error) {
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if !d.Next() { // consume option name
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return nil, d.ArgErr()
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}
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if !d.Next() { // get DNS module name
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return nil, d.ArgErr()
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}
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modID := "dns.providers." + d.Val()
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unm, err := caddyfile.UnmarshalModule(d, modID)
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if err != nil {
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return nil, err
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}
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prov, ok := unm.(certmagic.ACMEDNSProvider)
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if !ok {
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return nil, d.Errf("module %s (%T) is not a certmagic.ACMEDNSProvider", modID, unm)
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}
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return prov, nil
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}
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func parseOptACMEEAB(d *caddyfile.Dispenser, _ any) (any, error) {
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eab := new(acme.EAB)
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d.Next() // consume option name
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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for d.NextBlock(0) {
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switch d.Val() {
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case "key_id":
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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eab.KeyID = d.Val()
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case "mac_key":
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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eab.MACKey = d.Val()
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default:
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return nil, d.Errf("unrecognized parameter '%s'", d.Val())
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}
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}
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return eab, nil
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}
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func parseOptCertIssuer(d *caddyfile.Dispenser, existing any) (any, error) {
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d.Next() // consume option name
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var issuers []certmagic.Issuer
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if existing != nil {
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issuers = existing.([]certmagic.Issuer)
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}
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// get issuer module name
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if !d.Next() {
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return nil, d.ArgErr()
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}
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modID := "tls.issuance." + d.Val()
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unm, err := caddyfile.UnmarshalModule(d, modID)
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if err != nil {
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return nil, err
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}
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iss, ok := unm.(certmagic.Issuer)
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if !ok {
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return nil, d.Errf("module %s (%T) is not a certmagic.Issuer", modID, unm)
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}
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issuers = append(issuers, iss)
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return issuers, nil
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}
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func parseOptSingleString(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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if !d.Next() {
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return "", d.ArgErr()
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}
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val := d.Val()
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if d.Next() {
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return "", d.ArgErr()
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}
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return val, nil
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}
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func parseOptStringList(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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val := d.RemainingArgs()
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if len(val) == 0 {
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return "", d.ArgErr()
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}
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return val, nil
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}
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func parseOptAdmin(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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adminCfg := new(caddy.AdminConfig)
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if d.NextArg() {
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listenAddress := d.Val()
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if listenAddress == "off" {
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adminCfg.Disabled = true
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if d.Next() { // Do not accept any remaining options including block
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return nil, d.Err("No more option is allowed after turning off admin config")
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}
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} else {
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adminCfg.Listen = listenAddress
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if d.NextArg() { // At most 1 arg is allowed
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return nil, d.ArgErr()
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}
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}
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}
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for d.NextBlock(0) {
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switch d.Val() {
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case "enforce_origin":
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adminCfg.EnforceOrigin = true
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case "origins":
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adminCfg.Origins = d.RemainingArgs()
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default:
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return nil, d.Errf("unrecognized parameter '%s'", d.Val())
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}
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}
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if adminCfg.Listen == "" && !adminCfg.Disabled {
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adminCfg.Listen = caddy.DefaultAdminListen
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}
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return adminCfg, nil
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}
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func parseOptOnDemand(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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var ond *caddytls.OnDemandConfig
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for nesting := d.Nesting(); d.NextBlock(nesting); {
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switch d.Val() {
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case "ask":
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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if ond == nil {
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ond = new(caddytls.OnDemandConfig)
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}
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perm := caddytls.PermissionByHTTP{Endpoint: d.Val()}
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ond.PermissionRaw = caddyconfig.JSONModuleObject(perm, "module", "http", nil)
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case "interval":
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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dur, err := caddy.ParseDuration(d.Val())
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if err != nil {
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return nil, err
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}
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if ond == nil {
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ond = new(caddytls.OnDemandConfig)
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}
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if ond.RateLimit == nil {
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ond.RateLimit = new(caddytls.RateLimit)
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}
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ond.RateLimit.Interval = caddy.Duration(dur)
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case "burst":
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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burst, err := strconv.Atoi(d.Val())
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if err != nil {
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return nil, err
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}
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if ond == nil {
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ond = new(caddytls.OnDemandConfig)
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}
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if ond.RateLimit == nil {
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ond.RateLimit = new(caddytls.RateLimit)
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}
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ond.RateLimit.Burst = burst
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default:
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return nil, d.Errf("unrecognized parameter '%s'", d.Val())
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}
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}
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if ond == nil {
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return nil, d.Err("expected at least one config parameter for on_demand_tls")
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}
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return ond, nil
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}
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func parseOptPersistConfig(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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if !d.Next() {
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return "", d.ArgErr()
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}
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val := d.Val()
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if d.Next() {
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return "", d.ArgErr()
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}
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if val != "off" {
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return "", d.Errf("persist_config must be 'off'")
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}
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return val, nil
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}
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func parseOptAutoHTTPS(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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if !d.Next() {
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return "", d.ArgErr()
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}
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val := d.Val()
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if d.Next() {
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return "", d.ArgErr()
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}
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if val != "off" && val != "disable_redirects" && val != "disable_certs" && val != "ignore_loaded_certs" {
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return "", d.Errf("auto_https must be one of 'off', 'disable_redirects', 'disable_certs', or 'ignore_loaded_certs'")
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}
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return val, nil
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}
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func parseServerOptions(d *caddyfile.Dispenser, _ any) (any, error) {
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return unmarshalCaddyfileServerOptions(d)
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}
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func parseOCSPStaplingOptions(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next() // consume option name
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var val string
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if !d.AllArgs(&val) {
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return nil, d.ArgErr()
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}
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if val != "off" {
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return nil, d.Errf("invalid argument '%s'", val)
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}
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return certmagic.OCSPConfig{
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DisableStapling: val == "off",
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}, nil
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}
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// parseLogOptions parses the global log option. Syntax:
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//
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// log [name] {
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// output <writer_module> ...
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// format <encoder_module> ...
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// level <level>
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// include <namespaces...>
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// exclude <namespaces...>
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// }
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//
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// When the name argument is unspecified, this directive modifies the default
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// logger.
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func parseLogOptions(d *caddyfile.Dispenser, existingVal any) (any, error) {
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currentNames := make(map[string]struct{})
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if existingVal != nil {
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innerVals, ok := existingVal.([]ConfigValue)
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if !ok {
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return nil, d.Errf("existing log values of unexpected type: %T", existingVal)
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}
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for _, rawVal := range innerVals {
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val, ok := rawVal.Value.(namedCustomLog)
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if !ok {
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return nil, d.Errf("existing log value of unexpected type: %T", existingVal)
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}
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currentNames[val.name] = struct{}{}
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}
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}
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var warnings []caddyconfig.Warning
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// Call out the same parser that handles server-specific log configuration.
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configValues, err := parseLogHelper(
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Helper{
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Dispenser: d,
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warnings: &warnings,
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},
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currentNames,
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)
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if err != nil {
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return nil, err
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}
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if len(warnings) > 0 {
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return nil, d.Errf("warnings found in parsing global log options: %+v", warnings)
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}
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return configValues, nil
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}
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func parseOptPreferredChains(d *caddyfile.Dispenser, _ any) (any, error) {
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d.Next()
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return caddytls.ParseCaddyfilePreferredChainsOptions(d)
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}
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