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Support podman image trust command

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Display the trust policy of the host system. The trust policy is stored in the /etc/containers/policy.json file and defines a scope of registries or repositories.

Signed-off-by: Qi Wang <qiwan@redhat.com>
This commit is contained in:
Qi Wang
2018-11-29 09:55:15 -05:00
parent 68414c5ee3
commit 31edf47285
8 changed files with 725 additions and 0 deletions
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22
libpod/image/utils.go
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@ -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
}