chronograf/server/permissions.go

71 lines
1.8 KiB
Go

package server
import (
"fmt"
"net/http"
"github.com/influxdata/chronograf"
)
// Permissions returns all possible permissions for this source.
func (h *Service) Permissions(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
srcID, err := paramID("id", r)
if err != nil {
Error(w, http.StatusUnprocessableEntity, err.Error(), h.Logger)
return
}
src, err := h.SourcesStore.Get(ctx, srcID)
if err != nil {
notFound(w, srcID, h.Logger)
return
}
ts, err := h.TimeSeries(src)
if err != nil {
msg := fmt.Sprintf("Unable to connect to source %d: %v", srcID, err)
Error(w, http.StatusBadRequest, msg, h.Logger)
return
}
if err = ts.Connect(ctx, &src); err != nil {
msg := fmt.Sprintf("Unable to connect to source %d: %v", srcID, err)
Error(w, http.StatusBadRequest, msg, h.Logger)
return
}
perms := ts.Permissions(ctx)
if err != nil {
Error(w, http.StatusBadRequest, err.Error(), h.Logger)
return
}
httpAPISrcs := "/chronograf/v1/sources"
res := struct {
Permissions chronograf.Permissions `json:"permissions"`
Links map[string]string `json:"links"` // Links are URI locations related to user
}{
Permissions: perms,
Links: map[string]string{
"self": fmt.Sprintf("%s/%d/permissions", httpAPISrcs, srcID),
"source": fmt.Sprintf("%s/%d", httpAPISrcs, srcID),
},
}
encodeJSON(w, http.StatusOK, res, h.Logger)
}
func validPermissions(perms *chronograf.Permissions) error {
if perms == nil {
return nil
}
for _, perm := range *perms {
if perm.Scope != chronograf.AllScope && perm.Scope != chronograf.DBScope {
return fmt.Errorf("Invalid permission scope")
}
if perm.Scope == chronograf.DBScope && perm.Name == "" {
return fmt.Errorf("Database scoped permission requires a name")
}
}
return nil
}