Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Mirrored from https://github.com/Slazee/caddy.git
Synced Nov 11, 01:00 UTC
| 1 | // Copyright 2015 Matthew Holt and The Caddy Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package proxyprotocol |
| 16 | |
| 17 | import ( |
| 18 | "github.com/caddyserver/caddy/v2" |
| 19 | "github.com/caddyserver/caddy/v2/caddyconfig/caddyfile" |
| 20 | ) |
| 21 | |
| 22 | func init() { |
| 23 | caddy.RegisterModule(ListenerWrapper{}) |
| 24 | } |
| 25 | |
| 26 | func (ListenerWrapper) CaddyModule() caddy.ModuleInfo { |
| 27 | return caddy.ModuleInfo{ |
| 28 | ID: "caddy.listeners.proxy_protocol", |
| 29 | New: func() caddy.Module { return new(ListenerWrapper) }, |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | // UnmarshalCaddyfile sets up the listener Listenerwrapper from Caddyfile tokens. Syntax: |
| 34 | // |
| 35 | // proxy_protocol { |
| 36 | // timeout <duration> |
| 37 | // allow <IPs...> |
| 38 | // deny <IPs...> |
| 39 | // fallback_policy <policy> |
| 40 | // } |
| 41 | func (w *ListenerWrapper) UnmarshalCaddyfile(d *caddyfile.Dispenser) error { |
| 42 | d.Next() // consume wrapper name |
| 43 | |
| 44 | // No same-line options are supported |
| 45 | if d.NextArg() { |
| 46 | return d.ArgErr() |
| 47 | } |
| 48 | |
| 49 | for d.NextBlock(0) { |
| 50 | switch d.Val() { |
| 51 | case "timeout": |
| 52 | if !d.NextArg() { |
| 53 | return d.ArgErr() |
| 54 | } |
| 55 | dur, err := caddy.ParseDuration(d.Val()) |
| 56 | if err != nil { |
| 57 | return d.Errf("parsing proxy_protocol timeout duration: %v", err) |
| 58 | } |
| 59 | w.Timeout = caddy.Duration(dur) |
| 60 | |
| 61 | case "allow": |
| 62 | w.Allow = append(w.Allow, d.RemainingArgs()...) |
| 63 | case "deny": |
| 64 | w.Deny = append(w.Deny, d.RemainingArgs()...) |
| 65 | case "fallback_policy": |
| 66 | if !d.NextArg() { |
| 67 | return d.ArgErr() |
| 68 | } |
| 69 | p, err := parsePolicy(d.Val()) |
| 70 | if err != nil { |
| 71 | return d.WrapErr(err) |
| 72 | } |
| 73 | w.FallbackPolicy = p |
| 74 | default: |
| 75 | return d.ArgErr() |
| 76 | } |
| 77 | } |
| 78 | return nil |
| 79 | } |
| 80 | |
| 81 | // Interface guards |
| 82 | var ( |
| 83 | _ caddy.Provisioner = (*ListenerWrapper)(nil) |
| 84 | _ caddy.Module = (*ListenerWrapper)(nil) |
| 85 | _ caddy.ListenerWrapper = (*ListenerWrapper)(nil) |
| 86 | _ caddyfile.Unmarshaler = (*ListenerWrapper)(nil) |
| 87 | ) |