X-Git-Url: http://www.average.org/gitweb/?p=YkNeoCR.git;a=blobdiff_plain;f=src%2Forg%2Faverage%2Fnfcauthcr%2FNfcCRdispatch.java;fp=src%2Forg%2Faverage%2Fnfcauthcr%2FNfcCRdispatch.java;h=bfacfa988a257a214ee0c09fcec052069e7762bf;hp=0000000000000000000000000000000000000000;hb=08b05b67a65e78e80fb0fffec8855a69a72ebff9;hpb=9194bb54ed7bfd3ccb2ee93151fb3b1467cdae35

diff --git a/src/org/average/nfcauthcr/NfcCRdispatch.java b/src/org/average/nfcauthcr/NfcCRdispatch.java
new file mode 100644
index 0000000..bfacfa9
--- /dev/null
+++ b/src/org/average/nfcauthcr/NfcCRdispatch.java
@@ -0,0 +1,81 @@
+package org.average.nfcauthcr;
+
+import android.app.Activity;
+import android.app.PendingIntent;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.nfc.NfcAdapter;
+import android.nfc.Tag;
+import android.nfc.TagLostException;
+import android.nfc.tech.IsoDep;
+import android.util.Log;
+import android.widget.Toast;
+
+import org.average.nfcauthcr.YkNeo;
+import org.average.nfcauthcr.CRException;
+
+public class NfcCRdispatch {
+
+	private final String TAG = getClass().getName();
+
+	private Activity activity = null;
+	private PendingIntent tagIntent = null;
+	private byte[] challenge;
+
+	NfcCRdispatch(Activity activity) {
+		Log.v(TAG, "new NfcCRdispatch, activity=" + activity);
+		this.activity = activity;
+	}
+
+	public byte[] onNewIntent(Intent intent) {
+		Log.v(TAG, "NFC Intent arrived");
+		Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
+		if (tag == null) return null;
+		IsoDep isoTag = IsoDep.get(tag);
+		try {
+			int slot = intent.getIntExtra("yubikey_neo_slot", -1);
+			return YkNeo.doChalResp(isoTag, slot, challenge);
+		} catch (CRException e) {
+			Log.v(TAG, e.getMessage());
+			Toast.makeText(activity, e.getMessage(),
+					Toast.LENGTH_LONG).show();
+			return null;
+		}
+	}
+
+	public void onResume(byte[] challenge) {
+		this.challenge = challenge;
+		Intent intent = activity.getIntent();
+		intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
+		tagIntent = PendingIntent.getActivity(activity, 0, intent, 0);
+		IntentFilter iso =
+			new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);
+		String[] techs =
+			new String[] {IsoDep.class.getName()};
+		NfcAdapter adapter = NfcAdapter.getDefaultAdapter(activity);
+		if (adapter == null) {
+			Toast.makeText(activity, R.string.no_nfc,
+						Toast.LENGTH_LONG).show();
+			return;
+		}
+		if (!adapter.isEnabled()) {
+			Toast.makeText(activity, R.string.nfc_disabled,
+						Toast.LENGTH_LONG).show();
+			return;
+		}
+		adapter.enableForegroundDispatch(activity, tagIntent,
+					new IntentFilter[] {iso},
+					new String[][] {techs});
+	}
+
+	public void onPause() {
+		if (tagIntent != null) {
+			tagIntent.cancel();
+			tagIntent = null;
+		}
+		NfcAdapter adapter = NfcAdapter.getDefaultAdapter(activity);
+		if (adapter != null) {
+			adapter.disableForegroundDispatch(activity);
+		}
+	}
+}