Matthew Holt
5 years ago
3 changed files with 248 additions and 2 deletions
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// 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 fileserver |
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import ( |
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"encoding/json" |
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"flag" |
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"log" |
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"github.com/caddyserver/caddy/v2" |
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"github.com/caddyserver/caddy/v2/caddyconfig" |
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caddycmd "github.com/caddyserver/caddy/v2/cmd" |
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"github.com/caddyserver/caddy/v2/modules/caddyhttp" |
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) |
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func init() { |
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caddycmd.RegisterCommand(caddycmd.Command{ |
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Name: "file-server", |
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Func: cmdFileServer, |
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Usage: "[--domain <example.com>] [--path <path>] [--listen <addr>] [--browse]", |
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Short: "Spins up a production-ready file server", |
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Long: ` |
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A simple but production-ready file server. Useful for quick deployments, |
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demos, and development. |
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If a qualifying hostname is specified with --domain, the server will use |
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HTTPS if domain validation succeeds. Ensure A/AAAA records are properly |
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configured before using this option. |
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The listener's socket address can be customized with the --listen flag. |
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If --browse is enabled, requests for folders without an index file will |
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respond with a file listing.`, |
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Flags: func() *flag.FlagSet { |
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fs := flag.NewFlagSet("file-server", flag.ExitOnError) |
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fs.String("domain", "", "Domain name at which to serve the files") |
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fs.String("root", "", "The path to the root of the site") |
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fs.String("listen", "", "The address to which to bind the listener") |
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fs.Bool("browse", false, "Whether to enable directory browsing") |
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return fs |
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}(), |
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}) |
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} |
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func cmdFileServer(fs caddycmd.Flags) (int, error) { |
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domain := fs.String("domain") |
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root := fs.String("root") |
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listen := fs.String("listen") |
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browse := fs.Bool("browse") |
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handler := FileServer{Root: root} |
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if browse { |
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handler.Browse = new(Browse) |
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} |
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route := caddyhttp.Route{ |
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HandlersRaw: []json.RawMessage{ |
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caddyconfig.JSONModuleObject(handler, "handler", "file_server", nil), |
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}, |
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} |
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if domain != "" { |
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route.MatcherSetsRaw = []map[string]json.RawMessage{ |
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map[string]json.RawMessage{ |
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"host": caddyconfig.JSON(caddyhttp.MatchHost{domain}, nil), |
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}, |
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} |
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} |
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server := &caddyhttp.Server{ |
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Routes: caddyhttp.RouteList{route}, |
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} |
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if listen != "" { |
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server.Listen = []string{listen} |
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} |
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httpApp := caddyhttp.App{ |
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Servers: map[string]*caddyhttp.Server{"static": server}, |
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} |
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cfg := &caddy.Config{ |
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AppsRaw: map[string]json.RawMessage{ |
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"http": caddyconfig.JSON(httpApp, nil), |
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}, |
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} |
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err := caddy.Run(cfg) |
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if err != nil { |
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return caddy.ExitCodeFailedStartup, err |
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} |
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log.Println("Caddy 2 serving static files") |
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select {} |
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} |
@ -0,0 +1,138 @@ |
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// 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 reverseproxy |
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import ( |
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"encoding/json" |
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"flag" |
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"log" |
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"net/http" |
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"net/url" |
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"strings" |
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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/httpcaddyfile" |
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caddycmd "github.com/caddyserver/caddy/v2/cmd" |
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"github.com/caddyserver/caddy/v2/modules/caddyhttp" |
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"github.com/caddyserver/caddy/v2/modules/caddyhttp/headers" |
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"github.com/mholt/certmagic" |
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) |
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func init() { |
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caddycmd.RegisterCommand(caddycmd.Command{ |
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Name: "reverse-proxy", |
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Func: cmdReverseProxy, |
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Usage: "[--from <addr>] [--to <addr>]", |
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Short: "A quick and production-ready reverse proxy", |
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Long: ` |
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A simple but production-ready reverse proxy. Useful for quick deployments, |
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demos, and development. |
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Simply shuttles HTTP traffic from the --from address to the --to address. |
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If the --from address has a domain name, Caddy will attempt to serve the |
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proxy over HTTPS with a certificate. |
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`, |
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Flags: func() *flag.FlagSet { |
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fs := flag.NewFlagSet("file-server", flag.ExitOnError) |
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fs.String("from", "", "Address to receive traffic on") |
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fs.String("to", "", "Upstream address to proxy traffic to") |
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return fs |
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}(), |
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}) |
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} |
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func cmdReverseProxy(fs caddycmd.Flags) (int, error) { |
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from := fs.String("from") |
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to := fs.String("to") |
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if from == "" { |
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from = "localhost:" + httpcaddyfile.DefaultPort |
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} |
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if !strings.Contains(from, "://") { |
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from = "http://" + from |
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} |
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fromURL, err := url.Parse(from) |
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if err != nil { |
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fromURL.Host = from |
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} |
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toURL, err := url.Parse(to) |
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if err != nil { |
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toURL.Host = to |
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} |
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ht := HTTPTransport{} |
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if toURL.Scheme == "https" { |
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ht.TLS = new(TLSConfig) |
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} |
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handler := Handler{ |
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TransportRaw: caddyconfig.JSONModuleObject(ht, "protocol", "http", nil), |
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Upstreams: UpstreamPool{{Dial: toURL.Host}}, |
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Headers: &headers.Handler{ |
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Request: &headers.HeaderOps{ |
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Set: http.Header{ |
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"Host": []string{"{http.handlers.reverse_proxy.upstream.host}"}, |
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}, |
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}, |
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}, |
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} |
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route := caddyhttp.Route{ |
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HandlersRaw: []json.RawMessage{ |
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caddyconfig.JSONModuleObject(handler, "handler", "reverse_proxy", nil), |
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}, |
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} |
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if fromURL.Hostname() != "" { |
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route.MatcherSetsRaw = []map[string]json.RawMessage{ |
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map[string]json.RawMessage{ |
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"host": caddyconfig.JSON(caddyhttp.MatchHost{fromURL.Hostname()}, nil), |
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}, |
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} |
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} |
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listen := ":" + httpcaddyfile.DefaultPort |
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if certmagic.HostQualifies(fromURL.Hostname()) { |
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listen = ":443" |
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} |
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server := &caddyhttp.Server{ |
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Routes: caddyhttp.RouteList{route}, |
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Listen: []string{listen}, |
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} |
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httpApp := caddyhttp.App{ |
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Servers: map[string]*caddyhttp.Server{"proxy": server}, |
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} |
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cfg := &caddy.Config{ |
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AppsRaw: map[string]json.RawMessage{ |
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"http": caddyconfig.JSON(httpApp, nil), |
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}, |
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} |
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err = caddy.Run(cfg) |
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if err != nil { |
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return caddy.ExitCodeFailedStartup, err |
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} |
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log.Printf("Caddy 2 proxying from %s to %s", from, to) |
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select {} |
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} |
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