Use httploader to validate HTTP references

pkg/validator/validator.go

@@ -7,6 +7,7 @@ import (
 	"io"
 
 	jsonschema "github.com/santhosh-tekuri/jsonschema/v5"
+	_ "github.com/santhosh-tekuri/jsonschema/v5/httploader"
 	"github.com/yannh/kubeconform/pkg/cache"
 	"github.com/yannh/kubeconform/pkg/registry"
 	"github.com/yannh/kubeconform/pkg/resource"

vendor/github.com/santhosh-tekuri/jsonschema/v5/httploader/httploader.go

@@ -0,0 +1,38 @@
+// Package httploader implements loader.Loader for http/https url.
+//
+// The package is typically only imported for the side effect of
+// registering its Loaders.
+//
+// To use httploader, link this package into your program:
+//
+//	import _ "github.com/santhosh-tekuri/jsonschema/v5/httploader"
+package httploader
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/santhosh-tekuri/jsonschema/v5"
+)
+
+// Client is the default HTTP Client used to Get the resource.
+var Client = http.DefaultClient
+
+// Load loads resource from given http(s) url.
+func Load(url string) (io.ReadCloser, error) {
+	resp, err := Client.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	if resp.StatusCode != http.StatusOK {
+		_ = resp.Body.Close()
+		return nil, fmt.Errorf("%s returned status code %d", url, resp.StatusCode)
+	}
+	return resp.Body, nil
+}
+
+func init() {
+	jsonschema.Loaders["http"] = Load
+	jsonschema.Loaders["https"] = Load
+}

vendor/modules.txt

@@ -1,6 +1,7 @@
 # github.com/santhosh-tekuri/jsonschema/v5 v5.1.1
 ## explicit; go 1.15
 github.com/santhosh-tekuri/jsonschema/v5
+github.com/santhosh-tekuri/jsonschema/v5/httploader
 # gopkg.in/yaml.v2 v2.4.0
 ## explicit; go 1.15
 gopkg.in/yaml.v2