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usermanager.go
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/
usermanager.go
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package common
import (
"errors"
"github.com/rancher/norman/types"
"github.com/rancher/norman/types/slice"
"github.com/rancher/types/apis/management.cattle.io/v3"
"github.com/rancher/types/config"
"k8s.io/apimachinery/pkg/apis/meta/v1"
)
var userAuthHeader = "Impersonate-User"
type UserManager interface {
SetPrincipalOnCurrentUser(apiContext *types.APIContext, principal v3.Principal) (*v3.User, error)
GetUser(apiContext *types.APIContext) string
}
func NewUserManager(mgmt *config.ManagementContext) UserManager {
return &userManager{
mgmt: mgmt,
}
}
type userManager struct {
mgmt *config.ManagementContext
}
func (u *userManager) SetPrincipalOnCurrentUser(apiContext *types.APIContext, principal v3.Principal) (*v3.User, error) {
userID := u.GetUser(apiContext)
if userID == "" {
return nil, errors.New("user not provided")
}
user, err := u.mgmt.Management.Users("").Get(userID, v1.GetOptions{})
if err != nil {
return nil, err
}
if !slice.ContainsString(user.PrincipalIDs, principal.Name) {
user.PrincipalIDs = append(user.PrincipalIDs, principal.Name)
return u.mgmt.Management.Users("").Update(user)
}
return user, nil
}
func (u *userManager) GetUser(apiContext *types.APIContext) string {
return apiContext.Request.Header.Get(userAuthHeader)
}