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Access Control: Move access control middlewares to domain package (#48322)

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* Move access control middleware to domain package
This commit is contained in:
Karl Persson
2022-04-28 10:46:18 +02:00
committed by GitHub
parent 6edefe5147
commit e9a93ebfc9
10 changed files with 79 additions and 84 deletions
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pkg/services/accesscontrol/middleware/middleware.go → pkg/services/accesscontrol/middleware.go
+42 -49
View File
@@ -1,35 +1,20 @@
package middleware
package accesscontrol
import (
"context"
"fmt"
"net/http"
"strconv"
"time"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/accesscontrol"
"github.com/grafana/grafana/pkg/services/sqlstore"
"github.com/grafana/grafana/pkg/setting"
"github.com/grafana/grafana/pkg/util"
"github.com/grafana/grafana/pkg/web"
)
func authorize(c *models.ReqContext, ac accesscontrol.AccessControl, user *models.SignedInUser, evaluator accesscontrol.Evaluator) {
injected, err := evaluator.MutateScopes(c.Req.Context(), accesscontrol.ScopeInjector(buildScopeParams(c)))
if err != nil {
c.JsonApiErr(http.StatusInternalServerError, "Internal server error", err)
return
}
hasAccess, err := ac.Evaluate(c.Req.Context(), user, injected)
if !hasAccess || err != nil {
Deny(c, injected, err)
return
}
}
func Middleware(ac accesscontrol.AccessControl) func(web.Handler, accesscontrol.Evaluator) web.Handler {
return func(fallback web.Handler, evaluator accesscontrol.Evaluator) web.Handler {
func Middleware(ac AccessControl) func(web.Handler, Evaluator) web.Handler {
return func(fallback web.Handler, evaluator Evaluator) web.Handler {
if ac.IsDisabled() {
return fallback
}
@@ -40,7 +25,24 @@ func Middleware(ac accesscontrol.AccessControl) func(web.Handler, accesscontrol.
}
}
func Deny(c *models.ReqContext, evaluator accesscontrol.Evaluator, err error) {
func authorize(c *models.ReqContext, ac AccessControl, user *models.SignedInUser, evaluator Evaluator) {
injected, err := evaluator.MutateScopes(c.Req.Context(), ScopeInjector(ScopeParams{
OrgID: c.OrgId,
URLParams: web.Params(c.Req),
}))
if err != nil {
c.JsonApiErr(http.StatusInternalServerError, "Internal server error", err)
return
}
hasAccess, err := ac.Evaluate(c.Req.Context(), user, injected)
if !hasAccess || err != nil {
deny(c, injected, err)
return
}
}
func deny(c *models.ReqContext, evaluator Evaluator, err error) {
id := newID()
if err != nil {
c.Logger.Error("Error from access control system", "error", err, "accessErrorID", id)
@@ -59,13 +61,18 @@ func Deny(c *models.ReqContext, evaluator accesscontrol.Evaluator, err error) {
return
}
message := ""
if evaluator != nil {
message = evaluator.String()
}
// If the user triggers an error in the access control system, we
// don't want the user to be aware of that, so the user gets the
// same information from the system regardless of if it's an
// internal server error or access denied.
c.JSON(http.StatusForbidden, map[string]string{
"title": "Access denied", // the component needs to pick this up
"message": fmt.Sprintf("You'll need additional permissions to perform this action. Permissions needed: %s", evaluator.String()),
"message": fmt.Sprintf("You'll need additional permissions to perform this action. Permissions needed: %s", message),
"accessErrorId": id,
})
}
@@ -82,17 +89,13 @@ func newID() string {
return "ACE" + id
}
func buildScopeParams(c *models.ReqContext) accesscontrol.ScopeParams {
return accesscontrol.ScopeParams{
OrgID: c.OrgId,
URLParams: web.Params(c.Req),
}
type OrgIDGetter func(c *models.ReqContext) (int64, error)
type userCache interface {
GetSignedInUserWithCacheCtx(ctx context.Context, query *models.GetSignedInUserQuery) error
}
type OrgIDGetter func(c *models.ReqContext) (int64, error)
func AuthorizeInOrgMiddleware(ac accesscontrol.AccessControl, db sqlstore.Store) func(web.Handler, OrgIDGetter, accesscontrol.Evaluator) web.Handler {
return func(fallback web.Handler, getTargetOrg OrgIDGetter, evaluator accesscontrol.Evaluator) web.Handler {
func AuthorizeInOrgMiddleware(ac AccessControl, cache userCache) func(web.Handler, OrgIDGetter, Evaluator) web.Handler {
return func(fallback web.Handler, getTargetOrg OrgIDGetter, evaluator Evaluator) web.Handler {
if ac.IsDisabled() {
return fallback
}
@@ -102,17 +105,17 @@ func AuthorizeInOrgMiddleware(ac accesscontrol.AccessControl, db sqlstore.Store)
userCopy := *(c.SignedInUser)
orgID, err := getTargetOrg(c)
if err != nil {
Deny(c, nil, fmt.Errorf("failed to get target org: %w", err))
deny(c, nil, fmt.Errorf("failed to get target org: %w", err))
return
}
if orgID == accesscontrol.GlobalOrgID {
if orgID == GlobalOrgID {
userCopy.OrgId = orgID
userCopy.OrgName = ""
userCopy.OrgRole = ""
} else {
query := models.GetSignedInUserQuery{UserId: c.UserId, OrgId: orgID}
if err := db.GetSignedInUserWithCacheCtx(c.Req.Context(), &query); err != nil {
Deny(c, nil, fmt.Errorf("failed to authenticate user in target org: %w", err))
if err := cache.GetSignedInUserWithCacheCtx(c.Req.Context(), &query); err != nil {
deny(c, nil, fmt.Errorf("failed to authenticate user in target org: %w", err))
return
}
userCopy.OrgId = query.Result.OrgId
@@ -122,7 +125,7 @@ func AuthorizeInOrgMiddleware(ac accesscontrol.AccessControl, db sqlstore.Store)
authorize(c, ac, &userCopy, evaluator)
// Set the signed in user permissions in that org
// Set the sign-ed in user permissions in that org
c.SignedInUser.Permissions = userCopy.Permissions
}
}
@@ -140,27 +143,17 @@ func UseOrgFromContextParams(c *models.ReqContext) (int64, error) {
}
func UseGlobalOrg(c *models.ReqContext) (int64, error) {
return accesscontrol.GlobalOrgID, nil
return GlobalOrgID, nil
}
// Disable returns http 404 if shouldDisable is set to true
func Disable(shouldDisable bool) web.Handler {
return func(c *models.ReqContext) {
if shouldDisable {
c.Resp.WriteHeader(http.StatusNotFound)
return
}
}
}
func LoadPermissionsMiddleware(ac accesscontrol.AccessControl) web.Handler {
func LoadPermissionsMiddleware(ac AccessControl) web.Handler {
return func(c *models.ReqContext) {
if ac.IsDisabled() {
return
}
permissions, err := ac.GetUserPermissions(c.Req.Context(), c.SignedInUser,
accesscontrol.Options{ReloadCache: false})
Options{ReloadCache: false})
if err != nil {
c.JsonApiErr(http.StatusForbidden, "", err)
return
@@ -169,6 +162,6 @@ func LoadPermissionsMiddleware(ac accesscontrol.AccessControl) web.Handler {
if c.SignedInUser.Permissions == nil {
c.SignedInUser.Permissions = make(map[int64]map[string][]string)
}
c.SignedInUser.Permissions[c.OrgId] = accesscontrol.GroupScopesByAction(permissions)
c.SignedInUser.Permissions[c.OrgId] = GroupScopesByAction(permissions)
}
}
pkg/services/accesscontrol/middleware/middleware_test.go → pkg/services/accesscontrol/middleware_test.go
+3 -3
View File
@@ -1,17 +1,17 @@
package middleware
package accesscontrol_test
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/grafana/grafana/pkg/web"
"github.com/stretchr/testify/assert"
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/accesscontrol"
"github.com/grafana/grafana/pkg/services/accesscontrol/mock"
"github.com/grafana/grafana/pkg/web"
)
type middlewareTestCase struct {
@@ -61,7 +61,7 @@ func TestMiddleware(t *testing.T) {
server.UseMiddleware(web.Renderer("../../public/views", "[[", "]]"))
server.Use(contextProvider())
server.Use(Middleware(test.ac)(fallback, test.evaluator))
server.Use(accesscontrol.Middleware(test.ac)(fallback, test.evaluator))
endpointCalled := false
server.Get("/", func(c *models.ReqContext) {
pkg/services/accesscontrol/resourcepermissions/api.go
+2 -3
View File
@@ -10,7 +10,6 @@ import (
"github.com/grafana/grafana/pkg/api/routing"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/accesscontrol"
"github.com/grafana/grafana/pkg/services/accesscontrol/middleware"
"github.com/grafana/grafana/pkg/web"
)
@@ -55,10 +54,10 @@ func (a *api) getEvaluators(actionRead, actionWrite, scope string) (read, write
}
func (a *api) registerEndpoints() {
auth := middleware.Middleware(a.ac)
auth := accesscontrol.Middleware(a.ac)
disable := disableMiddleware(a.ac.IsDisabled())
uidSolver := solveUID(a.service.options.UidSolver)
inheritanceSolver := solveInheritedScopes(a.service.options.InheritedScopesSolver)
disable := middleware.Disable(a.ac.IsDisabled())
a.router.Group(fmt.Sprintf("/api/access-control/%s", a.service.options.Resource), func(r routing.RouteRegister) {
actionRead := fmt.Sprintf("%s.permissions:read", a.service.options.Resource)
actionWrite := fmt.Sprintf("%s.permissions:write", a.service.options.Resource)
pkg/services/accesscontrol/resourcepermissions/middleware.go
+9
View File
@@ -43,3 +43,12 @@ func solveInheritedScopes(solve InheritedScopesSolver) web.Handler {
}
}
}
func disableMiddleware(shouldDisable bool) web.Handler {
return func(c *models.ReqContext) {
if shouldDisable {
c.Resp.WriteHeader(http.StatusNotFound)
return
}
}
}