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validate.go
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validate.go
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package graveler
import (
"strings"
"github.com/treeverse/lakefs/pkg/validator"
)
func ValidateStorageNamespace(v interface{}) error {
s, ok := v.(StorageNamespace)
if !ok {
panic(ErrInvalidType)
}
if len(s) == 0 {
return ErrRequiredValue
}
return nil
}
func ValidateRef(v interface{}) error {
s, ok := v.(Ref)
if !ok {
panic(ErrInvalidType)
}
if len(s) == 0 {
return ErrRequiredValue
}
if !validator.ReValidRef.MatchString(s.String()) {
return ErrInvalidRef
}
return nil
}
func ValidateBranchID(v interface{}) error {
s, ok := v.(BranchID)
if !ok {
panic(ErrInvalidType)
}
if len(s) == 0 {
return ErrRequiredValue
}
if !validator.ReValidBranchID.MatchString(s.String()) {
return ErrInvalidBranchID
}
return nil
}
func ValidateTagID(v interface{}) error {
s, ok := v.(TagID)
if !ok {
panic(ErrInvalidType)
}
// https://git-scm.com/docs/git-check-ref-format
if len(s) == 0 {
return ErrRequiredValue
}
tagID := s.String()
if tagID == "@" {
return ErrInvalidTagID
}
if strings.HasSuffix(tagID, ".") || strings.HasSuffix(tagID, ".lock") {
return ErrInvalidTagID
}
if strings.Contains(tagID, "..") || strings.Contains(tagID, "/") || strings.Contains(tagID, "@{") {
return ErrInvalidTagID
}
// Unlike git, we do allow '~'. That supports migration from our previous ref format where commits started with a tilde.
if strings.ContainsAny(tagID, "^:?*[\\") {
return ErrInvalidTagID
}
for _, r := range tagID {
if isControlCodeOrSpace(r) {
return ErrInvalidTagID
}
}
return nil
}
func isControlCodeOrSpace(r rune) bool {
const space = 0x20
return r <= space
}
func ValidateRepositoryID(v interface{}) error {
var repositoryID string
switch s := v.(type) {
case string:
repositoryID = s
case RepositoryID:
repositoryID = s.String()
default:
panic(ErrInvalidType)
}
if len(repositoryID) == 0 {
return ErrRequiredValue
}
if !validator.ReValidRepositoryID.MatchString(repositoryID) {
return ErrInvalidRepositoryID
}
return nil
}
func ValidateRequiredStrategy(v interface{}) error {
s, ok := v.(string)
if !ok {
panic(ErrInvalidType)
}
if s != "dest-wins" && s != "source-wins" && s != "" {
return ErrInvalidValue
}
return nil
}