PendingIntent to handle user input
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@@ -16,15 +16,14 @@
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package org.openintents.openpgp.util;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.os.ParcelFileDescriptor;
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import android.os.RemoteException;
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import android.util.Log;
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import org.openintents.openpgp.IOpenPgpService;
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import org.openintents.openpgp.OpenPgpError;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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@@ -32,11 +31,98 @@ public class OpenPgpApi {
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IOpenPgpService mService;
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private static final int OPERATION_SIGN = 0;
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private static final int OPERATION_ENCRYPT = 1;
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private static final int OPERATION_SIGN_ENCRYPT = 2;
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private static final int OPERATION_DECRYPT_VERIFY = 3;
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public OpenPgpApi(IOpenPgpService service) {
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this.mService = service;
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}
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public Bundle sign(InputStream is, final OutputStream os) {
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return executeApi(OPERATION_SIGN, new Bundle(), is, os);
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}
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public Bundle sign(Bundle params, InputStream is, final OutputStream os) {
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return executeApi(OPERATION_SIGN, params, is, os);
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}
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public void sign(Bundle params, InputStream is, final OutputStream os, IOpenPgpCallback callback) {
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executeApiAsync(OPERATION_SIGN, params, is, os, callback);
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}
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public Bundle encrypt(InputStream is, final OutputStream os) {
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return executeApi(OPERATION_ENCRYPT, new Bundle(), is, os);
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}
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public Bundle encrypt(Bundle params, InputStream is, final OutputStream os) {
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return executeApi(OPERATION_ENCRYPT, params, is, os);
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}
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public void encrypt(Bundle params, InputStream is, final OutputStream os, IOpenPgpCallback callback) {
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executeApiAsync(OPERATION_ENCRYPT, params, is, os, callback);
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}
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public Bundle signAndEncrypt(InputStream is, final OutputStream os) {
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return executeApi(OPERATION_SIGN_ENCRYPT, new Bundle(), is, os);
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}
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public Bundle signAndEncrypt(Bundle params, InputStream is, final OutputStream os) {
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return executeApi(OPERATION_SIGN_ENCRYPT, params, is, os);
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}
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public void signAndEncrypt(Bundle params, InputStream is, final OutputStream os, IOpenPgpCallback callback) {
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executeApiAsync(OPERATION_SIGN_ENCRYPT, params, is, os, callback);
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}
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public Bundle decryptAndVerify(InputStream is, final OutputStream os) {
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return executeApi(OPERATION_DECRYPT_VERIFY, new Bundle(), is, os);
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}
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public Bundle decryptAndVerify(Bundle params, InputStream is, final OutputStream os) {
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return executeApi(OPERATION_DECRYPT_VERIFY, params, is, os);
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}
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public void decryptAndVerify(Bundle params, InputStream is, final OutputStream os, IOpenPgpCallback callback) {
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executeApiAsync(OPERATION_DECRYPT_VERIFY, params, is, os, callback);
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}
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public interface IOpenPgpCallback {
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void onReturn(final Bundle result);
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}
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private class OpenPgpAsyncTask extends AsyncTask<Void, Integer, Bundle> {
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int operationId;
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Bundle params;
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InputStream is;
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OutputStream os;
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IOpenPgpCallback callback;
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private OpenPgpAsyncTask(int operationId, Bundle params, InputStream is, OutputStream os, IOpenPgpCallback callback) {
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this.operationId = operationId;
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this.params = params;
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this.is = is;
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this.os = os;
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this.callback = callback;
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}
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@Override
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protected Bundle doInBackground(Void... unused) {
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return executeApi(operationId, params, is, os);
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}
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protected void onPostExecute(Bundle result) {
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callback.onReturn(result);
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}
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}
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private void executeApiAsync(int operationId, Bundle params, InputStream is, OutputStream os, IOpenPgpCallback callback) {
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new OpenPgpAsyncTask(operationId, params, is, os, callback).execute((Void[]) null);
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}
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private Bundle executeApi(int operationId, Bundle params, InputStream is, OutputStream os) {
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try {
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// send the input and output pfds
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ParcelFileDescriptor input = ParcelFileDescriptorUtil.pipeFrom(is,
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@@ -56,24 +142,35 @@ public class OpenPgpApi {
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}
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});
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Bundle params = new Bundle();
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params.putInt(OpenPgpConstants.PARAMS_API_VERSION, OpenPgpConstants.API_VERSION);
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// default result is error
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Bundle result = new Bundle();
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result.putInt(OpenPgpConstants.RESULT_CODE, OpenPgpConstants.RESULT_CODE_ERROR);
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result.putParcelable(OpenPgpConstants.RESULT_ERRORS,
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new OpenPgpError(OpenPgpError.GENERIC_ERROR, "This should never happen!"));
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// blocks until result is ready
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Bundle result = mService.sign(params, input, output);
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switch (operationId) {
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case OPERATION_SIGN:
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result = mService.sign(params, input, output);
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break;
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case OPERATION_ENCRYPT:
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result = mService.encrypt(params, input, output);
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break;
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case OPERATION_SIGN_ENCRYPT:
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result = mService.signAndEncrypt(params, input, output);
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break;
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case OPERATION_DECRYPT_VERIFY:
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result = mService.decryptAndVerify(params, input, output);
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break;
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}
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// close() is required to halt the TransferThread
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output.close();
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return result;
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} catch (RemoteException e) {
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Log.e(OpenPgpConstants.TAG, "RemoteException", e);
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Bundle result = new Bundle();
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result.putInt(OpenPgpConstants.RESULT_CODE, OpenPgpConstants.RESULT_CODE_ERROR);
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result.putParcelable(OpenPgpConstants.RESULT_ERRORS,
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new OpenPgpError(OpenPgpError.CLIENT_SIDE_ERROR, e.getMessage()));
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return result;
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} catch (IOException e) {
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Log.e(OpenPgpConstants.TAG, "IOException", e);
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} catch (Exception e) {
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Log.e(OpenPgpConstants.TAG, "Exception", e);
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Bundle result = new Bundle();
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result.putInt(OpenPgpConstants.RESULT_CODE, OpenPgpConstants.RESULT_CODE_ERROR);
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result.putParcelable(OpenPgpConstants.RESULT_ERRORS,
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@@ -42,7 +42,7 @@ public class OpenPgpConstants {
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public static final int RESULT_CODE_ERROR = 0;
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// success!
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public static final int RESULT_CODE_SUCCESS = 1;
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// execute intent and do it again with params from intent
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// executeServiceMethod intent and do it again with params from intent
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public static final int RESULT_CODE_USER_INTERACTION_REQUIRED = 2;
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}
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