diff options
Diffstat (limited to 'vendor/github.com/aws/aws-sdk-go/private/endpoints/endpoints.go')
-rw-r--r-- | vendor/github.com/aws/aws-sdk-go/private/endpoints/endpoints.go | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/private/endpoints/endpoints.go b/vendor/github.com/aws/aws-sdk-go/private/endpoints/endpoints.go new file mode 100644 index 0000000..2b279e6 --- /dev/null +++ b/vendor/github.com/aws/aws-sdk-go/private/endpoints/endpoints.go @@ -0,0 +1,65 @@ +// Package endpoints validates regional endpoints for services. +package endpoints + +//go:generate go run ../model/cli/gen-endpoints/main.go endpoints.json endpoints_map.go +//go:generate gofmt -s -w endpoints_map.go + +import ( + "fmt" + "regexp" + "strings" +) + +// NormalizeEndpoint takes and endpoint and service API information to return a +// normalized endpoint and signing region. If the endpoint is not an empty string +// the service name and region will be used to look up the service's API endpoint. +// If the endpoint is provided the scheme will be added if it is not present. +func NormalizeEndpoint(endpoint, serviceName, region string, disableSSL bool) (normEndpoint, signingRegion string) { + if endpoint == "" { + return EndpointForRegion(serviceName, region, disableSSL) + } + + return AddScheme(endpoint, disableSSL), "" +} + +// EndpointForRegion returns an endpoint and its signing region for a service and region. +// if the service and region pair are not found endpoint and signingRegion will be empty. +func EndpointForRegion(svcName, region string, disableSSL bool) (endpoint, signingRegion string) { + derivedKeys := []string{ + region + "/" + svcName, + region + "/*", + "*/" + svcName, + "*/*", + } + + for _, key := range derivedKeys { + if val, ok := endpointsMap.Endpoints[key]; ok { + ep := val.Endpoint + ep = strings.Replace(ep, "{region}", region, -1) + ep = strings.Replace(ep, "{service}", svcName, -1) + + endpoint = ep + signingRegion = val.SigningRegion + break + } + } + + return AddScheme(endpoint, disableSSL), signingRegion +} + +// Regular expression to determine if the endpoint string is prefixed with a scheme. +var schemeRE = regexp.MustCompile("^([^:]+)://") + +// AddScheme adds the HTTP or HTTPS schemes to a endpoint URL if there is no +// scheme. If disableSSL is true HTTP will be added instead of the default HTTPS. +func AddScheme(endpoint string, disableSSL bool) string { + if endpoint != "" && !schemeRE.MatchString(endpoint) { + scheme := "https" + if disableSSL { + scheme = "http" + } + endpoint = fmt.Sprintf("%s://%s", scheme, endpoint) + } + + return endpoint +} |