linx-server/delete.go

46 lines
959 B
Go

package main
import (
"fmt"
"net/http"
"os"
"github.com/zenazn/goji/web"
)
func deleteHandler(c web.C, w http.ResponseWriter, r *http.Request) {
requestKey := r.Header.Get("Linx-Delete-Key")
filename := c.URLParams["name"]
// Ensure requested file actually exists
if _, readErr := fileBackend.Exists(filename); os.IsNotExist(readErr) {
notFoundHandler(c, w, r) // 404 - file doesn't exist
return
}
// Ensure delete key is correct
metadata, err := metadataRead(filename)
if err != nil {
unauthorizedHandler(c, w, r) // 401 - no metadata available
return
}
if metadata.DeleteKey == requestKey {
fileDelErr := fileBackend.Delete(filename)
metaDelErr := metaStorageBackend.Delete(filename)
if (fileDelErr != nil) || (metaDelErr != nil) {
oopsHandler(c, w, r, RespPLAIN, "Could not delete")
return
}
fmt.Fprintf(w, "DELETED")
return
} else {
unauthorizedHandler(c, w, r) // 401 - wrong delete key
return
}
}