Migrate to go-acme/lego.

vendor/github.com/oracle/oci-go-sdk/common/common.go

@@ -0,0 +1,137 @@
+// Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
+
+package common
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+//Region type for regions
+type Region string
+
+const (
+	//RegionSEA region SEA
+	RegionSEA Region = "sea"
+	//RegionCAToronto1 region for toronto
+	RegionCAToronto1 Region = "ca-toronto-1"
+	//RegionPHX region PHX
+	RegionPHX Region = "us-phoenix-1"
+	//RegionIAD region IAD
+	RegionIAD Region = "us-ashburn-1"
+	//RegionFRA region FRA
+	RegionFRA Region = "eu-frankfurt-1"
+	//RegionLHR region LHR
+	RegionLHR Region = "uk-london-1"
+
+	//RegionUSLangley1 region for langley
+	RegionUSLangley1 Region = "us-langley-1"
+	//RegionUSLuke1 region for luke
+	RegionUSLuke1 Region = "us-luke-1"
+
+	//RegionUSGovAshburn1 region for langley
+	RegionUSGovAshburn1 Region = "us-gov-ashburn-1"
+	//RegionUSGovChicago1 region for luke
+	RegionUSGovChicago1 Region = "us-gov-chicago-1"
+	//RegionUSGovPhoenix1 region for luke
+	RegionUSGovPhoenix1 Region = "us-gov-phoenix-1"
+)
+
+var realm = map[string]string{
+	"oc1": "oraclecloud.com",
+	"oc2": "oraclegovcloud.com",
+	"oc3": "oraclegovcloud.com",
+}
+
+var regionRealm = map[Region]string{
+	RegionPHX:        "oc1",
+	RegionIAD:        "oc1",
+	RegionFRA:        "oc1",
+	RegionLHR:        "oc1",
+	RegionCAToronto1: "oc1",
+
+	RegionUSLangley1: "oc2",
+	RegionUSLuke1:    "oc2",
+
+	RegionUSGovAshburn1: "oc3",
+	RegionUSGovChicago1: "oc3",
+	RegionUSGovPhoenix1: "oc3",
+}
+
+// Endpoint returns a endpoint for a service
+func (region Region) Endpoint(service string) string {
+	return fmt.Sprintf("%s.%s.%s", service, region, region.secondLevelDomain())
+}
+
+// EndpointForTemplate returns a endpoint for a service based on template
+func (region Region) EndpointForTemplate(service string, serviceEndpointTemplate string) string {
+	if serviceEndpointTemplate == "" {
+		return region.Endpoint(service)
+	}
+
+	// replace service prefix
+	endpoint := strings.Replace(serviceEndpointTemplate, "{serviceEndpointPrefix}", service, 1)
+
+	// replace region
+	endpoint = strings.Replace(endpoint, "{region}", string(region), 1)
+
+	// replace second level domain
+	endpoint = strings.Replace(endpoint, "{secondLevelDomain}", region.secondLevelDomain(), 1)
+
+	return endpoint
+}
+
+func (region Region) secondLevelDomain() string {
+	if realmID, ok := regionRealm[region]; ok {
+		if secondLevelDomain, ok := realm[realmID]; ok {
+			return secondLevelDomain
+		}
+	}
+
+	Debugf("cannot find realm for region : %s, return default realm value.", region)
+	return realm["oc1"]
+}
+
+//StringToRegion convert a string to Region type
+func StringToRegion(stringRegion string) (r Region) {
+	switch strings.ToLower(stringRegion) {
+	case "sea":
+		r = RegionSEA
+	case "ca-toronto-1":
+		r = RegionCAToronto1
+	case "phx", "us-phoenix-1":
+		r = RegionPHX
+	case "iad", "us-ashburn-1":
+		r = RegionIAD
+	case "fra", "eu-frankfurt-1":
+		r = RegionFRA
+	case "lhr", "uk-london-1":
+		r = RegionLHR
+	case "us-langley-1":
+		r = RegionUSLangley1
+	case "us-luke-1":
+		r = RegionUSLuke1
+	case "us-gov-ashburn-1":
+		r = RegionUSGovAshburn1
+	case "us-gov-chicago-1":
+		r = RegionUSGovChicago1
+	case "us-gov-phoenix-1":
+		r = RegionUSGovPhoenix1
+	default:
+		r = Region(stringRegion)
+		Debugf("region named: %s, is not recognized", stringRegion)
+	}
+	return
+}
+
+// canStringBeRegion test if the string can be a region, if it can, returns the string as is, otherwise it
+// returns an error
+var blankRegex = regexp.MustCompile("\\s")
+
+func canStringBeRegion(stringRegion string) (region string, err error) {
+	if blankRegex.MatchString(stringRegion) || stringRegion == "" {
+		return "", fmt.Errorf("region can not be empty or have spaces")
+	}
+	return stringRegion, nil
+}