grafana/pkg/api/admin.go
Karl Persson 395b942134
Access Control: Add fine-grained access control to GET stats and settings handlers (#35622)
* add accesscontrol action for stats read

* use accesscontrol middleware for stats route

* add fixed role with permissions to read sever stats

* add accesscontrol action for settings read

* use accesscontrol middleware for settings route

* add fixed role with permissions to read settings

* add accesscontrol tests for AdminGetSettings and AdminGetStats

* add ability to scope settings

* add tests for AdminGetSettings
2021-06-14 17:36:48 +02:00

81 lines
2.0 KiB
Go

package api
import (
"context"
"fmt"
"net/http"
"github.com/grafana/grafana/pkg/api/response"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/accesscontrol"
"github.com/grafana/grafana/pkg/setting"
)
func (hs *HTTPServer) AdminGetSettings(c *models.ReqContext) response.Response {
settings, err := hs.getAuthorizedSettings(c.Req.Context(), c.SignedInUser, hs.SettingsProvider.Current())
if err != nil {
return response.Error(http.StatusForbidden, "Failed to authorize settings", err)
}
return response.JSON(http.StatusOK, settings)
}
func AdminGetStats(c *models.ReqContext) response.Response {
statsQuery := models.GetAdminStatsQuery{}
if err := bus.Dispatch(&statsQuery); err != nil {
return response.Error(500, "Failed to get admin stats from database", err)
}
return response.JSON(200, statsQuery.Result)
}
func (hs *HTTPServer) getAuthorizedSettings(ctx context.Context, user *models.SignedInUser, bag setting.SettingsBag) (setting.SettingsBag, error) {
if hs.AccessControl.IsDisabled() {
return bag, nil
}
eval := func(scopes ...string) (bool, error) {
return hs.AccessControl.Evaluate(ctx, user, accesscontrol.ActionSettingsRead, scopes...)
}
ok, err := eval(accesscontrol.ScopeSettingsAll)
if err != nil {
return nil, err
}
if ok {
return bag, nil
}
authorizedBag := make(setting.SettingsBag)
for section, keys := range bag {
ok, err := eval(getSettingsScope(section, "*"))
if err != nil {
return nil, err
}
if ok {
authorizedBag[section] = keys
continue
}
for key := range keys {
ok, err := eval(getSettingsScope(section, key))
if err != nil {
return nil, err
}
if ok {
if _, exists := authorizedBag[section]; !exists {
authorizedBag[section] = make(map[string]string)
}
authorizedBag[section][key] = bag[section][key]
}
}
}
return authorizedBag, nil
}
func getSettingsScope(section, key string) string {
return fmt.Sprintf("settings:%s:%s", section, key)
}