8d59ef41d5
* Replace admin gin router with mux * Update layout_templ.go * Harden admin handlers * Add login CSRF handling * Fix filer copy naming conflict * address comments * address comments
43 lines
980 B
Go
43 lines
980 B
Go
package httputil
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io"
|
|
"net/http"
|
|
|
|
"github.com/seaweedfs/seaweedfs/weed/glog"
|
|
)
|
|
|
|
const MaxJSONBodyBytes = 1 << 20
|
|
|
|
func NewJSONMaxReader(w http.ResponseWriter, r *http.Request) io.Reader {
|
|
return http.MaxBytesReader(w, r.Body, MaxJSONBodyBytes)
|
|
}
|
|
|
|
func DecodeJSONBody(r io.Reader, v interface{}) error {
|
|
decoder := json.NewDecoder(r)
|
|
return decoder.Decode(v)
|
|
}
|
|
|
|
func WriteJSON(w http.ResponseWriter, status int, payload interface{}) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
w.WriteHeader(status)
|
|
if payload == nil {
|
|
return
|
|
}
|
|
if err := json.NewEncoder(w).Encode(payload); err != nil {
|
|
glog.Errorf("failed to encode JSON response (status=%d, payload=%T): %v", status, payload, err)
|
|
}
|
|
}
|
|
|
|
func WriteJSONError(w http.ResponseWriter, status int, message string) {
|
|
WriteJSON(w, status, map[string]string{"error": message})
|
|
}
|
|
|
|
func DefaultQuery(value, fallback string) string {
|
|
if value == "" {
|
|
return fallback
|
|
}
|
|
return value
|
|
}
|