Move to vendor

Signed-off-by: Olivier Gambier <olivier@docker.com>

vendor/github.com/denverdino/aliyungo/oss/regions.go

@@ -0,0 +1,56 @@
+package oss
+
+import (
+	"fmt"
+)
+
+// Region represents OSS region
+type Region string
+
+// Constants of region definition
+const (
+	Hangzhou     = Region("oss-cn-hangzhou")
+	Qingdao      = Region("oss-cn-qingdao")
+	Beijing      = Region("oss-cn-beijing")
+	Hongkong     = Region("oss-cn-hongkong")
+	Shenzhen     = Region("oss-cn-shenzhen")
+	USWest1      = Region("oss-us-west-1")
+	APSouthEast1 = Region("oss-ap-southeast-1")
+	Shanghai     = Region("oss-cn-shanghai")
+
+	DefaultRegion = Hangzhou
+)
+
+// GetEndpoint returns endpoint of region
+func (r Region) GetEndpoint(internal bool, bucket string, secure bool) string {
+	if internal {
+		return r.GetInternalEndpoint(bucket, secure)
+	}
+	return r.GetInternetEndpoint(bucket, secure)
+}
+
+func getProtocol(secure bool) string {
+	protocol := "http"
+	if secure {
+		protocol = "https"
+	}
+	return protocol
+}
+
+// GetInternetEndpoint returns internet endpoint of region
+func (r Region) GetInternetEndpoint(bucket string, secure bool) string {
+	protocol := getProtocol(secure)
+	if bucket == "" {
+		return fmt.Sprintf("%s://oss.aliyuncs.com", protocol)
+	}
+	return fmt.Sprintf("%s://%s.%s.aliyuncs.com", protocol, bucket, string(r))
+}
+
+// GetInternalEndpoint returns internal endpoint of region
+func (r Region) GetInternalEndpoint(bucket string, secure bool) string {
+	protocol := getProtocol(secure)
+	if bucket == "" {
+		return fmt.Sprintf("%s://oss-internal.aliyuncs.com", protocol)
+	}
+	return fmt.Sprintf("%s://%s.%s-internal.aliyuncs.com", protocol, bucket, string(r))
+}