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baf6db5b57
I am not a lawyer, but according to the appendix of the license, these boilerplate notices should be included with every source file.
67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
// Copyright 2015 Light Code Labs, LLC
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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 root
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import (
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"log"
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"os"
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"github.com/mholt/caddy"
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"github.com/mholt/caddy/caddyhttp/httpserver"
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)
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func init() {
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caddy.RegisterPlugin("root", caddy.Plugin{
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ServerType: "http",
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Action: setupRoot,
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})
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}
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func setupRoot(c *caddy.Controller) error {
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config := httpserver.GetConfig(c)
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for c.Next() {
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if !c.NextArg() {
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return c.ArgErr()
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}
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config.Root = c.Val()
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if c.NextArg() {
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// only one argument allowed
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return c.ArgErr()
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}
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}
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//first check that the path is not a symlink, os.Stat panics when this is true
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info, _ := os.Lstat(config.Root)
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if info != nil && info.Mode()&os.ModeSymlink == os.ModeSymlink {
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//just print out info, delegate responsibility for symlink validity to
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//underlying Go framework, no need to test / verify twice
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log.Printf("[INFO] Root path is symlink: %s", config.Root)
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} else {
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// Check if root path exists
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_, err := os.Stat(config.Root)
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if err != nil {
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if os.IsNotExist(err) {
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// Allow this, because the folder might appear later.
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// But make sure the user knows!
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log.Printf("[WARNING] Root path does not exist: %s", config.Root)
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} else {
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return c.Errf("Unable to access root path '%s': %v", config.Root, err)
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}
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}
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}
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return nil
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}
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