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caddy/caddyhttp/extensions/setup.go
Matthew Holt baf6db5b57
Apply Apache license to all .go source files (closes #1865)
I am not a lawyer, but according to the appendix of the license,
these boilerplate notices should be included with every source file.
2017-09-22 23:56:58 -06:00

67 lines
1.7 KiB
Go

// Copyright 2015 Light Code Labs, LLC
//
// 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 extensions
import (
"github.com/mholt/caddy"
"github.com/mholt/caddy/caddyhttp/httpserver"
)
func init() {
caddy.RegisterPlugin("ext", caddy.Plugin{
ServerType: "http",
Action: setup,
})
}
// setup configures a new instance of 'extensions' middleware for clean URLs.
func setup(c *caddy.Controller) error {
cfg := httpserver.GetConfig(c)
root := cfg.Root
exts, err := extParse(c)
if err != nil {
return err
}
httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
return Ext{
Next: next,
Extensions: exts,
Root: root,
}
})
return nil
}
// extParse sets up an instance of extension middleware
// from a middleware controller and returns a list of extensions.
func extParse(c *caddy.Controller) ([]string, error) {
var exts []string
for c.Next() {
// At least one extension is required
if !c.NextArg() {
return exts, c.ArgErr()
}
exts = append(exts, c.Val())
// Tack on any other extensions that may have been listed
exts = append(exts, c.RemainingArgs()...)
}
return exts, nil
}