mirror of
https://github.com/grafana/grafana.git
synced 2024-11-25 18:30:41 -06:00
460 lines
14 KiB
Go
460 lines
14 KiB
Go
package accesscontrol
|
|
|
|
import (
|
|
"context"
|
|
"math"
|
|
"math/rand"
|
|
"testing"
|
|
|
|
"github.com/google/go-cmp/cmp"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/grafana/grafana/pkg/expr"
|
|
"github.com/grafana/grafana/pkg/services/accesscontrol"
|
|
"github.com/grafana/grafana/pkg/services/auth/identity"
|
|
"github.com/grafana/grafana/pkg/services/dashboards"
|
|
"github.com/grafana/grafana/pkg/services/datasources"
|
|
"github.com/grafana/grafana/pkg/services/ngalert/models"
|
|
"github.com/grafana/grafana/pkg/services/ngalert/store"
|
|
"github.com/grafana/grafana/pkg/services/user"
|
|
"github.com/grafana/grafana/pkg/util"
|
|
)
|
|
|
|
func createAllCombinationsOfPermissions(permissions map[string][]string) []map[string][]string {
|
|
type actionscope struct {
|
|
action string
|
|
scope string
|
|
}
|
|
|
|
var flattenPermissions []actionscope
|
|
for action, scopes := range permissions {
|
|
for _, scope := range scopes {
|
|
flattenPermissions = append(flattenPermissions, actionscope{
|
|
action,
|
|
scope,
|
|
})
|
|
}
|
|
}
|
|
|
|
l := len(flattenPermissions)
|
|
// this is all possible combinations of the permissions
|
|
var permissionCombinations []map[string][]string
|
|
for bit := uint(0); bit < uint(math.Pow(2, float64(l))); bit++ {
|
|
var tuple []actionscope
|
|
for idx := 0; idx < l; idx++ {
|
|
if (bit>>idx)&1 == 1 {
|
|
tuple = append(tuple, flattenPermissions[idx])
|
|
}
|
|
}
|
|
|
|
combination := make(map[string][]string)
|
|
for _, perm := range tuple {
|
|
combination[perm.action] = append(combination[perm.action], perm.scope)
|
|
}
|
|
|
|
permissionCombinations = append(permissionCombinations, combination)
|
|
}
|
|
return permissionCombinations
|
|
}
|
|
|
|
func getDatasourceScopesForRules(rules models.RulesGroup) []string {
|
|
scopesMap := map[string]struct{}{}
|
|
var result []string
|
|
for _, rule := range rules {
|
|
for _, query := range rule.Data {
|
|
scope := datasources.ScopeProvider.GetResourceScopeUID(query.DatasourceUID)
|
|
if _, ok := scopesMap[scope]; ok {
|
|
continue
|
|
}
|
|
result = append(result, scope)
|
|
scopesMap[scope] = struct{}{}
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
func mapUpdates(updates []store.RuleDelta, mapFunc func(store.RuleDelta) *models.AlertRule) models.RulesGroup {
|
|
result := make(models.RulesGroup, 0, len(updates))
|
|
for _, update := range updates {
|
|
result = append(result, mapFunc(update))
|
|
}
|
|
return result
|
|
}
|
|
|
|
func createUserWithPermissions(permissions map[string][]string) identity.Requester {
|
|
return &user.SignedInUser{OrgID: 1, Permissions: map[int64]map[string][]string{
|
|
1: permissions,
|
|
}}
|
|
}
|
|
|
|
func TestAuthorizeRuleChanges(t *testing.T) {
|
|
groupKey := models.GenerateGroupKey(rand.Int63())
|
|
namespaceIdScope := dashboards.ScopeFoldersProvider.GetResourceScopeUID(groupKey.NamespaceUID)
|
|
|
|
testCases := []struct {
|
|
name string
|
|
changes func() *store.GroupDelta
|
|
permissions func(c *store.GroupDelta) map[string][]string
|
|
}{
|
|
{
|
|
name: "if there are rules to add it should check create action and query for datasource",
|
|
changes: func() *store.GroupDelta {
|
|
return &store.GroupDelta{
|
|
GroupKey: groupKey,
|
|
New: models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen(models.WithGroupKey(groupKey))),
|
|
Update: nil,
|
|
Delete: nil,
|
|
}
|
|
},
|
|
permissions: func(c *store.GroupDelta) map[string][]string {
|
|
var scopes []string
|
|
for _, rule := range c.New {
|
|
for _, query := range rule.Data {
|
|
scopes = append(scopes, datasources.ScopeProvider.GetResourceScopeUID(query.DatasourceUID))
|
|
}
|
|
}
|
|
return map[string][]string{
|
|
ruleCreate: {
|
|
namespaceIdScope,
|
|
},
|
|
datasources.ActionQuery: scopes,
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "if there are rules to delete it should check delete action and query for datasource",
|
|
changes: func() *store.GroupDelta {
|
|
rules := models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen(models.WithGroupKey(groupKey)))
|
|
rules2 := models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen(models.WithGroupKey(groupKey)))
|
|
return &store.GroupDelta{
|
|
GroupKey: groupKey,
|
|
AffectedGroups: map[models.AlertRuleGroupKey]models.RulesGroup{
|
|
groupKey: append(rules, rules2...),
|
|
},
|
|
New: nil,
|
|
Update: nil,
|
|
Delete: rules2,
|
|
}
|
|
},
|
|
permissions: func(c *store.GroupDelta) map[string][]string {
|
|
return map[string][]string{
|
|
ruleDelete: {
|
|
namespaceIdScope,
|
|
},
|
|
datasources.ActionQuery: getDatasourceScopesForRules(c.AffectedGroups[c.GroupKey]),
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "if there are rules to update within the same namespace it should check update action and access to datasource",
|
|
changes: func() *store.GroupDelta {
|
|
rules1 := models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen(models.WithGroupKey(groupKey)))
|
|
rules := models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen(models.WithGroupKey(groupKey)))
|
|
updates := make([]store.RuleDelta, 0, len(rules))
|
|
|
|
for _, rule := range rules {
|
|
cp := models.CopyRule(rule)
|
|
cp.Data = []models.AlertQuery{models.GenerateAlertQuery()}
|
|
updates = append(updates, store.RuleDelta{
|
|
Existing: rule,
|
|
New: cp,
|
|
Diff: nil,
|
|
})
|
|
}
|
|
|
|
return &store.GroupDelta{
|
|
GroupKey: groupKey,
|
|
AffectedGroups: map[models.AlertRuleGroupKey]models.RulesGroup{
|
|
groupKey: append(rules, rules1...),
|
|
},
|
|
New: nil,
|
|
Update: updates,
|
|
Delete: nil,
|
|
}
|
|
},
|
|
permissions: func(c *store.GroupDelta) map[string][]string {
|
|
scopes := getDatasourceScopesForRules(append(c.AffectedGroups[c.GroupKey], mapUpdates(c.Update, func(update store.RuleDelta) *models.AlertRule {
|
|
return update.New
|
|
})...))
|
|
return map[string][]string{
|
|
ruleUpdate: {
|
|
namespaceIdScope,
|
|
},
|
|
datasources.ActionQuery: scopes,
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "if there are rules that are moved between namespaces it should check delete+add action and access to group where rules come from",
|
|
changes: func() *store.GroupDelta {
|
|
rules1 := models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen(models.WithGroupKey(groupKey)))
|
|
rules := models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen(models.WithGroupKey(groupKey)))
|
|
|
|
targetGroupKey := models.GenerateGroupKey(groupKey.OrgID)
|
|
|
|
updates := make([]store.RuleDelta, 0, len(rules))
|
|
for _, rule := range rules {
|
|
cp := models.CopyRule(rule)
|
|
models.WithGroupKey(targetGroupKey)(cp)
|
|
cp.Data = []models.AlertQuery{
|
|
models.GenerateAlertQuery(),
|
|
}
|
|
|
|
updates = append(updates, store.RuleDelta{
|
|
Existing: rule,
|
|
New: cp,
|
|
})
|
|
}
|
|
|
|
return &store.GroupDelta{
|
|
GroupKey: targetGroupKey,
|
|
AffectedGroups: map[models.AlertRuleGroupKey]models.RulesGroup{
|
|
groupKey: append(rules, rules1...),
|
|
},
|
|
New: nil,
|
|
Update: updates,
|
|
Delete: nil,
|
|
}
|
|
},
|
|
permissions: func(c *store.GroupDelta) map[string][]string {
|
|
dsScopes := getDatasourceScopesForRules(
|
|
append(append(append(c.AffectedGroups[c.GroupKey],
|
|
mapUpdates(c.Update, func(update store.RuleDelta) *models.AlertRule {
|
|
return update.New
|
|
})...,
|
|
), mapUpdates(c.Update, func(update store.RuleDelta) *models.AlertRule {
|
|
return update.Existing
|
|
})...), c.AffectedGroups[groupKey]...),
|
|
)
|
|
|
|
var deleteScopes []string
|
|
for key := range c.AffectedGroups {
|
|
deleteScopes = append(deleteScopes, dashboards.ScopeFoldersProvider.GetResourceScopeUID(key.NamespaceUID))
|
|
}
|
|
|
|
return map[string][]string{
|
|
ruleDelete: deleteScopes,
|
|
ruleCreate: {
|
|
dashboards.ScopeFoldersProvider.GetResourceScopeUID(c.GroupKey.NamespaceUID),
|
|
},
|
|
datasources.ActionQuery: dsScopes,
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "if there are rules that are moved between groups in the same namespace it should check update action and access to all groups (source+target)",
|
|
changes: func() *store.GroupDelta {
|
|
targetGroupKey := models.AlertRuleGroupKey{
|
|
OrgID: groupKey.OrgID,
|
|
NamespaceUID: groupKey.NamespaceUID,
|
|
RuleGroup: util.GenerateShortUID(),
|
|
}
|
|
sourceGroup := models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen(models.WithGroupKey(groupKey)))
|
|
targetGroup := models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen(models.WithGroupKey(targetGroupKey)))
|
|
|
|
updates := make([]store.RuleDelta, 0, len(sourceGroup))
|
|
toCopy := len(sourceGroup)
|
|
if toCopy > 1 {
|
|
toCopy = rand.Intn(toCopy-1) + 1
|
|
}
|
|
for i := 0; i < toCopy; i++ {
|
|
rule := sourceGroup[0]
|
|
cp := models.CopyRule(rule)
|
|
models.WithGroupKey(targetGroupKey)(cp)
|
|
cp.Data = []models.AlertQuery{
|
|
models.GenerateAlertQuery(),
|
|
}
|
|
|
|
updates = append(updates, store.RuleDelta{
|
|
Existing: rule,
|
|
New: cp,
|
|
})
|
|
}
|
|
|
|
return &store.GroupDelta{
|
|
GroupKey: targetGroupKey,
|
|
AffectedGroups: map[models.AlertRuleGroupKey]models.RulesGroup{
|
|
groupKey: sourceGroup,
|
|
targetGroupKey: targetGroup,
|
|
},
|
|
New: nil,
|
|
Update: updates,
|
|
Delete: nil,
|
|
}
|
|
},
|
|
permissions: func(c *store.GroupDelta) map[string][]string {
|
|
scopes := make(map[string]struct{})
|
|
for _, update := range c.Update {
|
|
for _, query := range update.New.Data {
|
|
scopes[datasources.ScopeProvider.GetResourceScopeUID(query.DatasourceUID)] = struct{}{}
|
|
}
|
|
for _, query := range update.Existing.Data {
|
|
scopes[datasources.ScopeProvider.GetResourceScopeUID(query.DatasourceUID)] = struct{}{}
|
|
}
|
|
}
|
|
for _, rules := range c.AffectedGroups {
|
|
for _, rule := range rules {
|
|
for _, query := range rule.Data {
|
|
scopes[datasources.ScopeProvider.GetResourceScopeUID(query.DatasourceUID)] = struct{}{}
|
|
}
|
|
}
|
|
}
|
|
|
|
dsScopes := make([]string, 0, len(scopes))
|
|
for key := range scopes {
|
|
dsScopes = append(dsScopes, key)
|
|
}
|
|
|
|
return map[string][]string{
|
|
ruleUpdate: {
|
|
dashboards.ScopeFoldersProvider.GetResourceScopeUID(c.GroupKey.NamespaceUID),
|
|
},
|
|
datasources.ActionQuery: dsScopes,
|
|
}
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, testCase := range testCases {
|
|
t.Run(testCase.name, func(t *testing.T) {
|
|
groupChanges := testCase.changes()
|
|
permissions := testCase.permissions(groupChanges)
|
|
|
|
t.Run("should fail with insufficient permissions", func(t *testing.T) {
|
|
permissionCombinations := createAllCombinationsOfPermissions(permissions)
|
|
permissionCombinations = permissionCombinations[0 : len(permissionCombinations)-1] // exclude all permissions
|
|
for _, missing := range permissionCombinations {
|
|
ac := &recordingAccessControlFake{}
|
|
srv := RuleService{
|
|
ac: ac,
|
|
}
|
|
err := srv.AuthorizeRuleChanges(context.Background(), createUserWithPermissions(missing), groupChanges)
|
|
|
|
assert.Errorf(t, err, "expected error because less permissions than expected were provided. Provided: %v; Expected: %v; Diff: %v", missing, permissions, cmp.Diff(permissions, missing))
|
|
require.NotEmptyf(t, ac.EvaluateRecordings, "Access control was supposed to be called but it was not")
|
|
}
|
|
})
|
|
|
|
ac := &recordingAccessControlFake{
|
|
Callback: func(user identity.Requester, evaluator accesscontrol.Evaluator) (bool, error) {
|
|
response := evaluator.Evaluate(user.GetPermissions())
|
|
require.Truef(t, response, "provided permissions [%v] is not enough for requested permissions [%s]", permissions, evaluator.GoString())
|
|
return response, nil
|
|
},
|
|
}
|
|
srv := RuleService{
|
|
ac: ac,
|
|
}
|
|
err := srv.AuthorizeRuleChanges(context.Background(), createUserWithPermissions(permissions), groupChanges)
|
|
require.NoError(t, err)
|
|
require.NotEmptyf(t, ac.EvaluateRecordings, "evaluation function is expected to be called but it was not.")
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestCheckDatasourcePermissionsForRule(t *testing.T) {
|
|
rule := models.AlertRuleGen()()
|
|
|
|
expressionByType := models.GenerateAlertQuery()
|
|
expressionByType.QueryType = expr.DatasourceType
|
|
expressionByUID := models.GenerateAlertQuery()
|
|
expressionByUID.DatasourceUID = expr.DatasourceUID
|
|
|
|
var data []models.AlertQuery
|
|
var scopes []string
|
|
for i := 0; i < rand.Intn(3)+2; i++ {
|
|
q := models.GenerateAlertQuery()
|
|
scopes = append(scopes, datasources.ScopeProvider.GetResourceScopeUID(q.DatasourceUID))
|
|
data = append(data, q)
|
|
}
|
|
|
|
data = append(data, expressionByType, expressionByUID)
|
|
rand.Shuffle(len(data), func(i, j int) {
|
|
data[j], data[i] = data[i], data[j]
|
|
})
|
|
|
|
rule.Data = data
|
|
|
|
t.Run("should check only expressions", func(t *testing.T) {
|
|
permissions := map[string][]string{
|
|
datasources.ActionQuery: scopes,
|
|
}
|
|
|
|
ac := &recordingAccessControlFake{}
|
|
svc := RuleService{
|
|
ac: ac,
|
|
}
|
|
|
|
eval := svc.AuthorizeDatasourceAccessForRule(context.Background(), createUserWithPermissions(permissions), rule)
|
|
|
|
require.NoError(t, eval)
|
|
require.Len(t, ac.EvaluateRecordings, 1)
|
|
})
|
|
|
|
t.Run("should return on first negative evaluation", func(t *testing.T) {
|
|
ac := &recordingAccessControlFake{
|
|
Callback: func(user identity.Requester, evaluator accesscontrol.Evaluator) (bool, error) {
|
|
return false, nil
|
|
},
|
|
}
|
|
svc := RuleService{
|
|
ac: ac,
|
|
}
|
|
|
|
result := svc.AuthorizeDatasourceAccessForRule(context.Background(), createUserWithPermissions(nil), rule)
|
|
|
|
require.Error(t, result)
|
|
require.Len(t, ac.EvaluateRecordings, 1)
|
|
})
|
|
}
|
|
|
|
func Test_authorizeAccessToRuleGroup(t *testing.T) {
|
|
t.Run("should return true if user has access to all datasources of all rules in group", func(t *testing.T) {
|
|
rules := models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen())
|
|
var scopes []string
|
|
for _, rule := range rules {
|
|
for _, query := range rule.Data {
|
|
scopes = append(scopes, datasources.ScopeProvider.GetResourceScopeUID(query.DatasourceUID))
|
|
}
|
|
}
|
|
permissions := map[string][]string{
|
|
datasources.ActionQuery: scopes,
|
|
}
|
|
ac := &recordingAccessControlFake{}
|
|
svc := RuleService{
|
|
ac: ac,
|
|
}
|
|
|
|
result := svc.AuthorizeAccessToRuleGroup(context.Background(), createUserWithPermissions(permissions), rules)
|
|
|
|
require.NoError(t, result)
|
|
require.NotEmpty(t, ac.EvaluateRecordings)
|
|
})
|
|
t.Run("should return false if user does not have access to at least one rule in group", func(t *testing.T) {
|
|
rules := models.GenerateAlertRules(rand.Intn(4)+1, models.AlertRuleGen())
|
|
var scopes []string
|
|
for _, rule := range rules {
|
|
for _, query := range rule.Data {
|
|
scopes = append(scopes, datasources.ScopeProvider.GetResourceScopeUID(query.DatasourceUID))
|
|
}
|
|
}
|
|
permissions := map[string][]string{
|
|
datasources.ActionQuery: scopes,
|
|
}
|
|
|
|
rule := models.AlertRuleGen()()
|
|
rules = append(rules, rule)
|
|
|
|
ac := &recordingAccessControlFake{}
|
|
|
|
svc := RuleService{
|
|
ac: ac,
|
|
}
|
|
|
|
result := svc.AuthorizeAccessToRuleGroup(context.Background(), createUserWithPermissions(permissions), rules)
|
|
|
|
require.Error(t, result)
|
|
})
|
|
}
|