com.google.crypto.tink.util

Class KeysDownloader

java.lang.Object

com.google.crypto.tink.util.KeysDownloader

public class KeysDownloader
extends Object

Thread-safe downloader.

This class can be used to download keys from a remote HTTPS server.

Usage

Use KeysDownloader.Builder to construct an instance and keep it as a singleton in a static final variable across requests.

When initializing your server, we also recommend that you call refreshInBackground() to proactively fetch the data.

Since:

1.1.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	KeysDownloader.Builder Builder for KeysDownloader.

Constructor Summary

Constructors

Constructor and Description
KeysDownloader(Executor backgroundExecutor, com.google.api.client.http.HttpTransport httpTransport, String url)

Method Summary

Modifier and Type	Method and Description
String	download() Returns a string containing a JSON with the Google public signing keys.
com.google.api.client.http.HttpTransport	getHttpTransport()
String	getUrl()
void	refreshInBackground() Fetches keys in the background.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

KeysDownloader

public KeysDownloader(Executor backgroundExecutor,
                      com.google.api.client.http.HttpTransport httpTransport,
                      String url)

Method Detail

download

public String download()
                throws IOException

Returns a string containing a JSON with the Google public signing keys.

Meant to be called by PaymentMethodTokenRecipient.

Throws:

IOException

getHttpTransport

public com.google.api.client.http.HttpTransport getHttpTransport()

getUrl

public String getUrl()

refreshInBackground

public void refreshInBackground()

Fetches keys in the background.