67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package http
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import (
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"encoding/json"
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"errors"
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"net/http"
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"net/url"
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"os"
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"strings"
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libErrors "github.com/filebrowser/filebrowser/v2/errors"
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)
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func renderJSON(w http.ResponseWriter, _ *http.Request, data interface{}) (int, error) {
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marsh, err := json.Marshal(data)
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if err != nil {
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return http.StatusInternalServerError, err
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}
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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if _, err := w.Write(marsh); err != nil {
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return http.StatusInternalServerError, err
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}
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return 0, nil
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}
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func errToStatus(err error) int {
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switch {
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case err == nil:
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return http.StatusOK
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case os.IsPermission(err):
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return http.StatusForbidden
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case os.IsNotExist(err), err == libErrors.ErrNotExist:
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return http.StatusNotFound
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case os.IsExist(err), err == libErrors.ErrExist:
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return http.StatusConflict
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case errors.Is(err, libErrors.ErrPermissionDenied):
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return http.StatusForbidden
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case errors.Is(err, libErrors.ErrInvalidRequestParams):
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return http.StatusBadRequest
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case errors.Is(err, libErrors.ErrRootUserDeletion):
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return http.StatusForbidden
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default:
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return http.StatusInternalServerError
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}
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}
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// This is an addaptation if http.StripPrefix in which we don't
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// return 404 if the page doesn't have the needed prefix.
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func stripPrefix(prefix string, h http.Handler) http.Handler {
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if prefix == "" || prefix == "/" {
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return h
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}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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p := strings.TrimPrefix(r.URL.Path, prefix)
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r2 := new(http.Request)
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*r2 = *r
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r2.URL = new(url.URL)
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*r2.URL = *r.URL
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r2.URL.Path = p
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h.ServeHTTP(w, r2)
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})
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}
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