diff options
Diffstat (limited to 'libpod/image/utils.go')
| -rw-r--r-- | libpod/image/utils.go | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libpod/image/utils.go b/libpod/image/utils.go index 9a75ca6dc..b944de1bb 100644 --- a/libpod/image/utils.go +++ b/libpod/image/utils.go @@ -2,6 +2,8 @@ package image import ( "io" + "net/url" + "regexp" "strings" cp "github.com/containers/image/copy" @@ -117,3 +119,23 @@ func GetAdditionalTags(images []string) ([]reference.NamedTagged, error) { } return allTags, nil } + +// IsValidImageURI checks if image name has valid format +func IsValidImageURI(imguri string) (bool, error) { + uri := "http://" + imguri + u, err := url.Parse(uri) + if err != nil { + return false, errors.Wrapf(err, "invalid image uri: %s", imguri) + } + reg := regexp.MustCompile(`^[a-zA-Z0-9-_\.]+\/?:?[0-9]*[a-z0-9-\/:]*$`) + ret := reg.FindAllString(u.Host, -1) + if len(ret) == 0 { + return false, errors.Wrapf(err, "invalid image uri: %s", imguri) + } + reg = regexp.MustCompile(`^[a-z0-9-:\./]*$`) + ret = reg.FindAllString(u.Fragment, -1) + if len(ret) == 0 { + return false, errors.Wrapf(err, "invalid image uri: %s", imguri) + } + return true, nil +} |