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store.go
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store.go
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package multiclusterapp
import (
"context"
"fmt"
"strings"
"github.com/rancher/norman/httperror"
"github.com/rancher/norman/store/transform"
"github.com/rancher/norman/types"
"github.com/rancher/norman/types/convert"
"github.com/rancher/norman/types/values"
gaccess "github.com/rancher/rancher/pkg/api/customization/globalnamespaceaccess"
"github.com/rancher/rancher/pkg/auth/providers"
"github.com/rancher/rancher/pkg/auth/requests"
"github.com/rancher/types/apis/management.cattle.io/v3"
"github.com/rancher/types/client/management/v3"
"github.com/rancher/types/config"
"github.com/sirupsen/logrus"
"k8s.io/apimachinery/pkg/labels"
)
func SetMemberStore(ctx context.Context, schema *types.Schema, mgmt *config.ScaledContext) {
providers.Configure(ctx, mgmt)
userLister := mgmt.Management.Users("").Controller().Lister()
t := &transform.Store{
Store: schema.Store,
Transformer: func(apiContext *types.APIContext, schema *types.Schema, data map[string]interface{}, opt *types.QueryOptions) (map[string]interface{}, error) {
membersMapSlice, found := values.GetSlice(data, "members")
if !found {
return data, nil
}
for _, m := range membersMapSlice {
if userID, ok := m["userId"].(string); ok && userID != "" {
u, err := userLister.Get("", userID)
if err != nil {
logrus.Errorf("problem retrieving user for member %v from cache during member transformation: %v", data, err)
return data, nil
}
// filtering and keeping system user accounts out of the members list
for _, pid := range u.PrincipalIDs {
if strings.HasPrefix(pid, "system://") {
if opt != nil && opt.Options["ByID"] == "true" {
return nil, httperror.NewAPIError(httperror.NotFound, "resource not found")
}
return nil, nil
}
}
}
}
return data, nil
},
}
s := &Store{
Store: t,
auth: requests.NewAuthenticator(ctx, mgmt),
crtbLister: mgmt.Management.ClusterRoleTemplateBindings("").Controller().Lister(),
prtbLister: mgmt.Management.ProjectRoleTemplateBindings("").Controller().Lister(),
}
schema.Store = s
}
type Store struct {
types.Store
auth requests.Authenticator
crtbLister v3.ClusterRoleTemplateBindingLister
prtbLister v3.ProjectRoleTemplateBindingLister
}
func (s *Store) Create(apiContext *types.APIContext, schema *types.Schema, data map[string]interface{}) (map[string]interface{}, error) {
data, err := s.setDisplayName(apiContext, schema, data)
if err != nil {
return nil, err
}
data, err = s.checkAndSetRoles(apiContext, data)
if err != nil {
return nil, err
}
return s.Store.Create(apiContext, schema, data)
}
func (s *Store) Update(apiContext *types.APIContext, schema *types.Schema, data map[string]interface{}, id string) (map[string]interface{}, error) {
data, err := s.setDisplayName(apiContext, schema, data)
if err != nil {
return nil, err
}
data, err = s.checkAndSetRoles(apiContext, data)
if err != nil {
return nil, err
}
return s.Store.Update(apiContext, schema, data, id)
}
func (s *Store) setDisplayName(apiContext *types.APIContext, schema *types.Schema, data map[string]interface{}) (map[string]interface{}, error) {
membersMapSlice, found := values.GetSlice(data, client.MultiClusterAppFieldMembers)
if !found {
return data, nil
}
token, err := s.auth.TokenFromRequest(apiContext.Request)
if err != nil {
return nil, err
}
if token.AuthProvider == providers.LocalProvider {
// getPrincipal if called, will be called on local auth provider, and will not find a user with external auth principal ID
// hence returning, since the only thing this method does is setting display name by getting it from the external auth provider.
return data, nil
}
for _, m := range membersMapSlice {
if principalID, ok := m[client.MemberFieldUserPrincipalID].(string); ok && principalID != "" && !strings.HasPrefix(principalID, "local://") {
princ, err := providers.GetPrincipal(principalID, *token)
if err != nil {
return nil, err
}
if princ.DisplayName != "" {
values.PutValue(m, princ.DisplayName, "displayName")
}
}
}
return data, nil
}
func (s *Store) checkAndSetRoles(apiContext *types.APIContext, data map[string]interface{}) (map[string]interface{}, error) {
// if no roles are provided, default to roles that the creator of mcapp has in all of its target projects/clusters
roles := convert.ToStringSlice(data[client.MultiClusterAppFieldRoles])
if len(roles) == 0 {
callerID := apiContext.Request.Header.Get(gaccess.ImpersonateUserHeader)
targetProjects := make(map[string]bool)
clustersOfTargetProjects := make(map[string]bool)
rolesToAddMap := make(map[string]bool)
targInterface := convert.ToMapSlice(data[client.MultiClusterAppFieldTargets])
for _, t := range targInterface {
target := convert.ToString(t[client.TargetFieldProjectID])
split := strings.SplitN(target, ":", 2)
if len(split) != 2 {
return nil, fmt.Errorf("invalid project name: %v", target)
}
clusterName := split[0]
projectName := split[1]
if !clustersOfTargetProjects[clusterName] {
// get roles from this cluster for this creator
crtbs, err := s.crtbLister.List(clusterName, labels.NewSelector())
if err != nil {
return nil, err
}
for _, crtb := range crtbs {
if crtb.UserName == callerID && !rolesToAddMap[crtb.RoleTemplateName] {
rolesToAddMap[crtb.RoleTemplateName] = true
}
}
clustersOfTargetProjects[clusterName] = true
}
if !targetProjects[projectName] {
// get roles from this project for this creator
prtbs, err := s.prtbLister.List(projectName, labels.NewSelector())
if err != nil {
return nil, err
}
for _, prtb := range prtbs {
if prtb.UserName == callerID && !rolesToAddMap[prtb.RoleTemplateName] {
rolesToAddMap[prtb.RoleTemplateName] = true
}
}
targetProjects[projectName] = true
}
}
rolesToAdd := make([]string, len(rolesToAddMap))
i := 0
for role := range rolesToAddMap {
rolesToAdd[i] = role
i++
}
values.PutValue(data, rolesToAdd, client.MultiClusterAppFieldRoles)
}
return data, nil
}