0
Fork 0
mirror of https://github.com/caddyserver/caddy.git synced 2024-12-23 22:27:38 -05:00
caddy/caddyhttp/root/root.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

66 lines
1.8 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 root
import (
"log"
"os"
"github.com/mholt/caddy"
"github.com/mholt/caddy/caddyhttp/httpserver"
)
func init() {
caddy.RegisterPlugin("root", caddy.Plugin{
ServerType: "http",
Action: setupRoot,
})
}
func setupRoot(c *caddy.Controller) error {
config := httpserver.GetConfig(c)
for c.Next() {
if !c.NextArg() {
return c.ArgErr()
}
config.Root = c.Val()
if c.NextArg() {
// only one argument allowed
return c.ArgErr()
}
}
//first check that the path is not a symlink, os.Stat panics when this is true
info, _ := os.Lstat(config.Root)
if info != nil && info.Mode()&os.ModeSymlink == os.ModeSymlink {
//just print out info, delegate responsibility for symlink validity to
//underlying Go framework, no need to test / verify twice
log.Printf("[INFO] Root path is symlink: %s", config.Root)
} else {
// Check if root path exists
_, err := os.Stat(config.Root)
if err != nil {
if os.IsNotExist(err) {
// Allow this, because the folder might appear later.
// But make sure the user knows!
log.Printf("[WARNING] Root path does not exist: %s", config.Root)
} else {
return c.Errf("Unable to access root path '%s': %v", config.Root, err)
}
}
}
return nil
}