token-import: introduce parcelable SecurityTokenInfo

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/SecurityTokenHelper.java

@@ -956,6 +956,25 @@ public class SecurityTokenHelper {
         return mOpenPgpCapabilities;
     }
 
+    public SecurityTokenInfo getTokenInfo() throws IOException {
+        byte[] fingerprints = getFingerprints();
+
+        byte[] fpSign = new byte[20];
+        byte[] fpDecrypt = new byte[20];
+        byte[] fpAuth = new byte[20];
+        ByteBuffer buf = ByteBuffer.wrap(fingerprints);
+        buf.get(fpSign);
+        buf.get(fpDecrypt);
+        buf.get(fpAuth);
+
+        byte[] aid = getAid();
+        String userId = getUserId();
+        String url = getUrl();
+        byte[] pwInfo = getPwStatusBytes();
+
+        return SecurityTokenInfo.create(fpSign, fpDecrypt, fpAuth, aid, userId, url, pwInfo[4], pwInfo[6]);
+    }
+
     private static class LazyHolder {
         private static final SecurityTokenHelper SECURITY_TOKEN_HELPER = new SecurityTokenHelper();
     }

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/SecurityTokenInfo.java

@@ -0,0 +1,48 @@
+package org.sufficientlysecure.keychain.securitytoken;
+
+
+import android.os.Parcelable;
+import android.support.annotation.Nullable;
+
+import com.google.auto.value.AutoValue;
+
+
+@AutoValue
+public abstract class SecurityTokenInfo implements Parcelable {
+    @Nullable
+    public abstract byte[] getFingerprintSign();
+    @Nullable
+    public abstract byte[] getFingerprintDecrypt();
+    @Nullable
+    public abstract byte[] getFingerprintAuth();
+    @Nullable
+    public abstract byte[] getAid();
+    @Nullable
+    public abstract String getUserId();
+    @Nullable
+    public abstract String getUrl();
+    public abstract int getVerifyRetries();
+    public abstract int getVerifyAdminRetries();
+
+    public byte[][] getAllFingerprints() {
+        byte[][] fingerprints = new byte[3][];
+        fingerprints[0] = getFingerprintSign();
+        fingerprints[1] = getFingerprintDecrypt();
+        fingerprints[2] = getFingerprintAuth();
+        return fingerprints;
+    }
+
+    public boolean isEmpty() {
+        return getFingerprintSign() == null && getFingerprintDecrypt() == null && getFingerprintAuth() == null;
+    }
+
+    public static SecurityTokenInfo create(byte[] fpSign, byte[] fpDecrypt, byte[] fpAuth,
+            byte[] aid, String userId, String url, int verifyRetries, int verifyAdminRetries) {
+        return new AutoValue_SecurityTokenInfo(fpSign, fpDecrypt, fpAuth, aid,
+                userId, url, verifyRetries, verifyAdminRetries);
+    }
+
+    public static SecurityTokenInfo createBlank(byte[] aid) {
+        return new AutoValue_SecurityTokenInfo(null, null, null, aid, null, null, 0, 0);
+    }
+}