mirror of https://github.com/caddyserver/caddy.git
89 lines
2.3 KiB
Go
89 lines
2.3 KiB
Go
|
// 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 eventsconfig is for configuring caddyevents.App with the
|
||
|
|
// Caddyfile. This code can't be in the caddyevents package because
|
||
|
|
// the httpcaddyfile package imports caddyhttp, which imports
|
||
|
|
// caddyevents: hence, it creates an import cycle.
|
||
|
|
package eventsconfig
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
|
||
|
|
"github.com/caddyserver/caddy/v2/caddyconfig"
|
||
|
|
"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
|
||
|
|
"github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile"
|
||
|
|
"github.com/caddyserver/caddy/v2/modules/caddyevents"
|
||
|
|
)
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
httpcaddyfile.RegisterGlobalOption("events", parseApp)
|
||
|
|
}
|
||
|
|
|
||
|
|
// parseApp configures the "events" global option from Caddyfile to set up the events app.
|
||
|
|
// Syntax:
|
||
|
|
//
|
||
|
|
// events {
|
||
|
|
// on <event> <handler_module...>
|
||
|
|
// }
|
||
|
|
//
|
||
|
|
// If <event> is *, then it will bind to all events.
|
||
|
|
func parseApp(d *caddyfile.Dispenser, _ any) (any, error) {
|
||
|
|
app := new(caddyevents.App)
|
||
|
|
|
||
|
|
// consume the option name
|
||
|
|
if !d.Next() {
|
||
|
|
return nil, d.ArgErr()
|
||
|
|
}
|
||
|
|
|
||
|
|
// handle the block
|
||
|
|
for d.NextBlock(0) {
|
||
|
|
switch d.Val() {
|
||
|
|
case "on":
|
||
|
|
if !d.NextArg() {
|
||
|
|
return nil, d.ArgErr()
|
||
|
|
}
|
||
|
|
eventName := d.Val()
|
||
|
|
if eventName == "*" {
|
||
|
|
eventName = ""
|
||
|
|
}
|
||
|
|
|
||
|
|
if !d.NextArg() {
|
||
|
|
return nil, d.ArgErr()
|
||
|
|
}
|
||
|
|
handlerName := d.Val()
|
||
|
|
modID := "events.handlers." + handlerName
|
||
|
|
unm, err := caddyfile.UnmarshalModule(d, modID)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
app.Subscriptions = append(app.Subscriptions, &caddyevents.Subscription{
|
||
|
|
Events: []string{eventName},
|
||
|
|
HandlersRaw: []json.RawMessage{
|
||
|
|
caddyconfig.JSONModuleObject(unm, "handler", handlerName, nil),
|
||
|
|
},
|
||
|
|
})
|
||
|
|
|
||
|
|
default:
|
||
|
|
return nil, d.ArgErr()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return httpcaddyfile.App{
|
||
|
|
Name: "events",
|
||
|
|
Value: caddyconfig.JSON(app, nil),
|
||
|
|
}, nil
|
||
|
|
}
|