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root.go
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/
root.go
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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()
}
}
// 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
}