X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ffreenet%2FKey.java;fp=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ffreenet%2FKey.java;h=f21e2f60891d0de75eaef8dc46d340f4abc13525;hb=fdffe49b10613e1d9caacdf62ab99bca06edf3e1;hp=0000000000000000000000000000000000000000;hpb=f67d0cbb1bc328c0072fe5f795ffb31cf1b987bb;p=Sone.git

diff --git a/src/main/java/net/pterodactylus/sone/freenet/Key.java b/src/main/java/net/pterodactylus/sone/freenet/Key.java
new file mode 100644
index 0000000..f21e2f6
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sone/freenet/Key.java
@@ -0,0 +1,67 @@
+package net.pterodactylus.sone.freenet;
+
+import static freenet.support.Base64.encode;
+import static java.lang.String.format;
+
+import freenet.keys.FreenetURI;
+
+import com.google.common.annotations.VisibleForTesting;
+
+/**
+ * Encapsulates the parts of a {@link FreenetURI} that do not change while
+ * being converted from SSK to USK and/or back.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class Key {
+
+	private final byte[] routingKey;
+	private final byte[] cryptoKey;
+	private final byte[] extra;
+
+	private Key(byte[] routingKey, byte[] cryptoKey, byte[] extra) {
+		this.routingKey = routingKey;
+		this.cryptoKey = cryptoKey;
+		this.extra = extra;
+	}
+
+	@VisibleForTesting
+	public String getRoutingKey() {
+		return encode(routingKey);
+	}
+
+	@VisibleForTesting
+	public String getCryptoKey() {
+		return encode(cryptoKey);
+	}
+
+	@VisibleForTesting
+	public String getExtra() {
+		return encode(extra);
+	}
+
+	public FreenetURI toUsk(String docName, long edition, String... paths) {
+		return new FreenetURI("USK", docName, paths, routingKey, cryptoKey,
+				extra, edition);
+	}
+
+	public FreenetURI toSsk(String docName, String... paths) {
+		return new FreenetURI("SSK", docName, paths, routingKey, cryptoKey,
+				extra);
+	}
+
+	public FreenetURI toSsk(String docName, long edition, String... paths) {
+		return new FreenetURI("SSK", format("%s-%d", docName, edition), paths,
+				routingKey, cryptoKey, extra, edition);
+	}
+
+	public static Key from(FreenetURI freenetURI) {
+		return new Key(freenetURI.getRoutingKey(), freenetURI.getCryptoKey(),
+				freenetURI.getExtra());
+	}
+
+	public static String routingKey(FreenetURI freenetURI) {
+		return from(freenetURI).getRoutingKey();
+	}
+
+}