fix import not ignoring url path

fix #3609
Podman import used to check filename to only allow tarball path as a file. It should also allow an url as the doc mentioned. This PR allows the program to continue if the input is a valid URL

Signed-off-by: Qi Wang <qiwan@redhat.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/cmd/podman/shared/parse/parse.go b/cmd/podman/shared/parse/parse.go
index a77002235..9fbc92fc3 100644
--- a/cmd/podman/shared/parse/parse.go
+++ b/cmd/podman/shared/parse/parse.go
@@ -7,6 +7,7 @@ import (
 	"bufio"
 	"fmt"
 	"net"
+	"net/url"
 	"os"
 	"regexp"
 	"strings"
@@ -162,3 +163,12 @@ func ValidateFileName(filename string) error {
 	}
 	return nil
 }
+
+// ValidURL checks a string urlStr is a url or not
+func ValidURL(urlStr string) error {
+	_, err := url.ParseRequestURI(urlStr)
+	if err != nil {
+		return errors.Wrapf(err, "invalid url path: %q", urlStr)
+	}
+	return nil
+}