/
validation.go
175 lines (145 loc) · 7.09 KB
/
validation.go
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package validation
import (
"fmt"
"strings"
kvalidation "k8s.io/apimachinery/pkg/api/validation"
"k8s.io/apimachinery/pkg/api/validation/path"
"k8s.io/apimachinery/pkg/util/validation/field"
"github.com/openshift/apiserver-library-go/pkg/apivalidation"
userapi "github.com/openshift/oauth-apiserver/pkg/user/apis/user"
)
func ValidateIdentityName(name string, _ bool) []string {
if reasons := path.ValidatePathSegmentName(name, false); len(reasons) != 0 {
return reasons
}
parts := strings.Split(name, ":")
usernameIndex := 1
// allow identities in the form "<providerName>:b64:<base64-encoded username>"
if len(parts) == 3 && parts[1] == "b64" {
usernameIndex++
} else if len(parts) != 2 {
return []string{`must be in the format <providerName>:<providerUserName>`}
}
if len(parts[0]) == 0 {
return []string{`must be in the format <providerName>:<providerUserName> with a non-empty providerName`}
}
if len(parts[usernameIndex]) == 0 {
return []string{`must be in the format <providerName>:<providerUserName> with a non-empty providerUserName`}
}
return nil
}
// if you change this, update the peer in oauth admission validation. also, don't change this.
func ValidateIdentityProviderName(name string) []string {
if reasons := path.ValidatePathSegmentName(name, false); len(reasons) != 0 {
return reasons
}
if strings.Contains(name, ":") {
return []string{`may not contain ":"`}
}
return nil
}
func ValidateIdentityProviderUserName(name string) []string {
// Any provider user name must be a valid user name
return apivalidation.ValidateUserName(name, false)
}
func ValidateGroup(group *userapi.Group) field.ErrorList {
allErrs := kvalidation.ValidateObjectMeta(&group.ObjectMeta, false, apivalidation.ValidateGroupName, field.NewPath("metadata"))
userPath := field.NewPath("user")
for index, user := range group.Users {
idxPath := userPath.Index(index)
if len(user) == 0 {
allErrs = append(allErrs, field.Invalid(idxPath, user, "may not be empty"))
continue
}
if reasons := apivalidation.ValidateUserName(user, false); len(reasons) != 0 {
allErrs = append(allErrs, field.Invalid(idxPath, user, strings.Join(reasons, ", ")))
}
}
return allErrs
}
func ValidateGroupUpdate(group *userapi.Group, old *userapi.Group) field.ErrorList {
allErrs := kvalidation.ValidateObjectMetaUpdate(&group.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateGroup(group)...)
return allErrs
}
func ValidateUser(user *userapi.User) field.ErrorList {
allErrs := kvalidation.ValidateObjectMeta(&user.ObjectMeta, false, apivalidation.ValidateUserName, field.NewPath("metadata"))
identitiesPath := field.NewPath("identities")
for index, identity := range user.Identities {
idxPath := identitiesPath.Index(index)
if reasons := ValidateIdentityName(identity, false); len(reasons) != 0 {
allErrs = append(allErrs, field.Invalid(idxPath, identity, strings.Join(reasons, ", ")))
}
}
// our strategy should prevent us from ever hitting this case
if len(user.Groups) != 0 {
allErrs = append(allErrs, field.Invalid(field.NewPath("groups"), user.Groups, "is deprecated and cannot be set"))
}
return allErrs
}
func ValidateUserUpdate(user *userapi.User, old *userapi.User) field.ErrorList {
allErrs := kvalidation.ValidateObjectMetaUpdate(&user.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateUser(user)...)
return allErrs
}
func ValidateIdentity(identity *userapi.Identity) field.ErrorList {
allErrs := kvalidation.ValidateObjectMeta(&identity.ObjectMeta, false, ValidateIdentityName, field.NewPath("metadata"))
if len(identity.ProviderName) == 0 {
allErrs = append(allErrs, field.Required(field.NewPath("providerName"), ""))
} else if reasons := ValidateIdentityProviderName(identity.ProviderName); len(reasons) != 0 {
allErrs = append(allErrs, field.Invalid(field.NewPath("providerName"), identity.ProviderName, strings.Join(reasons, ", ")))
}
if len(identity.ProviderUserName) == 0 {
allErrs = append(allErrs, field.Required(field.NewPath("providerUserName"), ""))
} else if reasons := ValidateIdentityProviderUserName(identity.ProviderUserName); len(reasons) != 0 {
allErrs = append(allErrs, field.Invalid(field.NewPath("providerUserName"), identity.ProviderUserName, strings.Join(reasons, ", ")))
}
if len(identity.ProviderName) > 0 && len(identity.ProviderUserName) > 0 {
expectedIdentityName := identity.ProviderName + ":" + identity.ProviderUserName
if identity.Name != expectedIdentityName {
allErrs = append(allErrs, field.Invalid(field.NewPath("metadata", "name"), identity.Name, fmt.Sprintf("must be %s", expectedIdentityName)))
}
}
userPath := field.NewPath("user")
if reasons := apivalidation.ValidateUserName(identity.User.Name, false); len(reasons) != 0 {
allErrs = append(allErrs, field.Invalid(userPath.Child("name"), identity.User.Name, strings.Join(reasons, ", ")))
}
if len(identity.User.Name) == 0 && len(identity.User.UID) != 0 {
allErrs = append(allErrs, field.Required(userPath.Child("username"), "username is required when uid is provided"))
}
if len(identity.User.Name) != 0 && len(identity.User.UID) == 0 {
allErrs = append(allErrs, field.Required(userPath.Child("uid"), "uid is required when username is provided"))
}
return allErrs
}
func ValidateIdentityUpdate(identity *userapi.Identity, old *userapi.Identity) field.ErrorList {
allErrs := kvalidation.ValidateObjectMetaUpdate(&identity.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateIdentity(identity)...)
if identity.ProviderName != old.ProviderName {
allErrs = append(allErrs, field.Invalid(field.NewPath("providerName"), identity.ProviderName, "may not change providerName"))
}
if identity.ProviderUserName != old.ProviderUserName {
allErrs = append(allErrs, field.Invalid(field.NewPath("providerUserName"), identity.ProviderUserName, "may not change providerUserName"))
}
return allErrs
}
func ValidateUserIdentityMapping(mapping *userapi.UserIdentityMapping) field.ErrorList {
allErrs := kvalidation.ValidateObjectMeta(&mapping.ObjectMeta, false, ValidateIdentityName, field.NewPath("metadata"))
identityPath := field.NewPath("identity")
if len(mapping.Identity.Name) == 0 {
allErrs = append(allErrs, field.Required(identityPath.Child("name"), ""))
} else if mapping.Identity.Name != mapping.Name {
allErrs = append(allErrs, field.Invalid(identityPath.Child("name"), mapping.Identity.Name, "must match metadata.name"))
}
if len(mapping.User.Name) == 0 {
allErrs = append(allErrs, field.Required(field.NewPath("user", "name"), ""))
} else if reasons := apivalidation.ValidateUserName(mapping.User.Name, false); len(reasons) != 0 {
allErrs = append(allErrs, field.Invalid(field.NewPath("user", "name"), mapping.User.Name, strings.Join(reasons, ", ")))
}
return allErrs
}
func ValidateUserIdentityMappingUpdate(mapping *userapi.UserIdentityMapping, old *userapi.UserIdentityMapping) field.ErrorList {
allErrs := kvalidation.ValidateObjectMetaUpdate(&mapping.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateUserIdentityMapping(mapping)...)
return allErrs
}