diff options
Diffstat (limited to 'OpenKeychain-API/example-app/src/main/java/org/sufficientlysecure/keychain/demo/OpenPgpProviderActivity.java')
| -rw-r--r-- | OpenKeychain-API/example-app/src/main/java/org/sufficientlysecure/keychain/demo/OpenPgpProviderActivity.java | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/OpenKeychain-API/example-app/src/main/java/org/sufficientlysecure/keychain/demo/OpenPgpProviderActivity.java b/OpenKeychain-API/example-app/src/main/java/org/sufficientlysecure/keychain/demo/OpenPgpProviderActivity.java new file mode 100644 index 000000000..345d63eef --- /dev/null +++ b/OpenKeychain-API/example-app/src/main/java/org/sufficientlysecure/keychain/demo/OpenPgpProviderActivity.java @@ -0,0 +1,308 @@ +/* + * Copyright (C) 2013-2014 Dominik Schürmann <dominik@dominikschuermann.de> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.sufficientlysecure.keychain.demo; + +import android.app.Activity; +import android.app.PendingIntent; +import android.content.Intent; +import android.content.IntentSender; +import android.content.SharedPreferences; +import android.os.Bundle; +import android.preference.PreferenceManager; +import android.text.TextUtils; +import android.util.Log; +import android.view.View; +import android.widget.Button; +import android.widget.EditText; +import android.widget.Toast; + +import org.openintents.openpgp.OpenPgpError; +import org.openintents.openpgp.OpenPgpSignatureResult; +import org.openintents.openpgp.util.OpenPgpApi; +import org.openintents.openpgp.util.OpenPgpServiceConnection; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.InputStream; +import java.io.UnsupportedEncodingException; + +public class OpenPgpProviderActivity extends Activity { + private EditText mMessage; + private EditText mCiphertext; + private EditText mEncryptUserIds; + private Button mSign; + private Button mEncrypt; + private Button mSignAndEncrypt; + private Button mDecryptAndVerify; + private EditText mAccount; + + private OpenPgpServiceConnection mServiceConnection; + + public static final int REQUEST_CODE_SIGN = 9910; + public static final int REQUEST_CODE_ENCRYPT = 9911; + public static final int REQUEST_CODE_SIGN_AND_ENCRYPT = 9912; + public static final int REQUEST_CODE_DECRYPT_AND_VERIFY = 9913; + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.openpgp_provider); + + mMessage = (EditText) findViewById(R.id.crypto_provider_demo_message); + mCiphertext = (EditText) findViewById(R.id.crypto_provider_demo_ciphertext); + mEncryptUserIds = (EditText) findViewById(R.id.crypto_provider_demo_encrypt_user_id); + mSign = (Button) findViewById(R.id.crypto_provider_demo_sign); + mEncrypt = (Button) findViewById(R.id.crypto_provider_demo_encrypt); + mSignAndEncrypt = (Button) findViewById(R.id.crypto_provider_demo_sign_and_encrypt); + mDecryptAndVerify = (Button) findViewById(R.id.crypto_provider_demo_decrypt_and_verify); + mAccount = (EditText) findViewById(R.id.crypto_provider_demo_account); + + mSign.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + sign(new Intent()); + } + }); + mEncrypt.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + encrypt(new Intent()); + } + }); + mSignAndEncrypt.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + signAndEncrypt(new Intent()); + } + }); + mDecryptAndVerify.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + decryptAndVerify(new Intent()); + } + }); + + SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this); + String providerPackageName = settings.getString("openpgp_provider_list", ""); + if (TextUtils.isEmpty(providerPackageName)) { + Toast.makeText(this, "No OpenPGP Provider selected!", Toast.LENGTH_LONG).show(); + finish(); + } else { + // bind to service + mServiceConnection = new OpenPgpServiceConnection( + OpenPgpProviderActivity.this, providerPackageName); + mServiceConnection.bindToService(); + } + } + + private void handleError(final OpenPgpError error) { + runOnUiThread(new Runnable() { + + @Override + public void run() { + Toast.makeText(OpenPgpProviderActivity.this, + "onError id:" + error.getErrorId() + "\n\n" + error.getMessage(), + Toast.LENGTH_LONG).show(); + Log.e(Constants.TAG, "onError getErrorId:" + error.getErrorId()); + Log.e(Constants.TAG, "onError getMessage:" + error.getMessage()); + } + }); + } + + private void handleSignature(final OpenPgpSignatureResult sigResult) { + runOnUiThread(new Runnable() { + + @Override + public void run() { + Toast.makeText(OpenPgpProviderActivity.this, + sigResult.toString(), + Toast.LENGTH_LONG).show(); + } + }); + } + + /** + * Takes input from message or ciphertext EditText and turns it into a ByteArrayInputStream + * + * @param ciphertext + * @return + */ + private InputStream getInputstream(boolean ciphertext) { + InputStream is = null; + try { + String inputStr; + if (ciphertext) { + inputStr = mCiphertext.getText().toString(); + } else { + inputStr = mMessage.getText().toString(); + } + is = new ByteArrayInputStream(inputStr.getBytes("UTF-8")); + } catch (UnsupportedEncodingException e) { + Log.e(Constants.TAG, "UnsupportedEncodingException", e); + } + + return is; + } + + private class MyCallback implements OpenPgpApi.IOpenPgpCallback { + boolean returnToCiphertextField; + ByteArrayOutputStream os; + int requestCode; + + private MyCallback(boolean returnToCiphertextField, ByteArrayOutputStream os, int requestCode) { + this.returnToCiphertextField = returnToCiphertextField; + this.os = os; + this.requestCode = requestCode; + } + + @Override + public void onReturn(Intent result) { + switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR)) { + case OpenPgpApi.RESULT_CODE_SUCCESS: { + try { + Log.d(OpenPgpApi.TAG, "result: " + os.toByteArray().length + + " str=" + os.toString("UTF-8")); + + if (returnToCiphertextField) { + mCiphertext.setText(os.toString("UTF-8")); + } else { + mMessage.setText(os.toString("UTF-8")); + } + } catch (UnsupportedEncodingException e) { + Log.e(Constants.TAG, "UnsupportedEncodingException", e); + } + + if (result.hasExtra(OpenPgpApi.RESULT_SIGNATURE)) { + OpenPgpSignatureResult sigResult + = result.getParcelableExtra(OpenPgpApi.RESULT_SIGNATURE); + handleSignature(sigResult); + } + break; + } + case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: { + PendingIntent pi = result.getParcelableExtra(OpenPgpApi.RESULT_INTENT); + try { + OpenPgpProviderActivity.this.startIntentSenderForResult(pi.getIntentSender(), + requestCode, null, 0, 0, 0); + } catch (IntentSender.SendIntentException e) { + Log.e(Constants.TAG, "SendIntentException", e); + } + break; + } + case OpenPgpApi.RESULT_CODE_ERROR: { + OpenPgpError error = result.getParcelableExtra(OpenPgpApi.RESULT_ERROR); + handleError(error); + break; + } + } + } + } + + public void sign(Intent data) { + data.setAction(OpenPgpApi.ACTION_SIGN); + data.putExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true); + data.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, mAccount.getText().toString()); + + InputStream is = getInputstream(false); + ByteArrayOutputStream os = new ByteArrayOutputStream(); + + OpenPgpApi api = new OpenPgpApi(this, mServiceConnection.getService()); + api.executeApiAsync(data, is, os, new MyCallback(true, os, REQUEST_CODE_SIGN)); + } + + public void encrypt(Intent data) { + data.setAction(OpenPgpApi.ACTION_ENCRYPT); + data.putExtra(OpenPgpApi.EXTRA_USER_IDS, mEncryptUserIds.getText().toString().split(",")); + data.putExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true); + data.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, mAccount.getText().toString()); + + InputStream is = getInputstream(false); + ByteArrayOutputStream os = new ByteArrayOutputStream(); + + OpenPgpApi api = new OpenPgpApi(this, mServiceConnection.getService()); + api.executeApiAsync(data, is, os, new MyCallback(true, os, REQUEST_CODE_ENCRYPT)); + } + + public void signAndEncrypt(Intent data) { + data.setAction(OpenPgpApi.ACTION_SIGN_AND_ENCRYPT); + data.putExtra(OpenPgpApi.EXTRA_USER_IDS, mEncryptUserIds.getText().toString().split(",")); + data.putExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true); + data.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, mAccount.getText().toString()); + + InputStream is = getInputstream(false); + ByteArrayOutputStream os = new ByteArrayOutputStream(); + + OpenPgpApi api = new OpenPgpApi(this, mServiceConnection.getService()); + api.executeApiAsync(data, is, os, new MyCallback(true, os, REQUEST_CODE_SIGN_AND_ENCRYPT)); + } + + public void decryptAndVerify(Intent data) { + data.setAction(OpenPgpApi.ACTION_DECRYPT_VERIFY); + data.putExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true); + data.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, mAccount.getText().toString()); + + InputStream is = getInputstream(true); + ByteArrayOutputStream os = new ByteArrayOutputStream(); + + OpenPgpApi api = new OpenPgpApi(this, mServiceConnection.getService()); + api.executeApiAsync(data, is, os, new MyCallback(false, os, REQUEST_CODE_DECRYPT_AND_VERIFY)); + } + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + super.onActivityResult(requestCode, resultCode, data); + Log.d(Constants.TAG, "onActivityResult resultCode: " + resultCode); + + // try again after user interaction + if (resultCode == RESULT_OK) { + /* + * The data originally given to one of the methods above, is again + * returned here to be used when calling the method again after user + * interaction. The Intent now also contains results from the user + * interaction, for example selected key ids. + */ + switch (requestCode) { + case REQUEST_CODE_SIGN: { + sign(data); + break; + } + case REQUEST_CODE_ENCRYPT: { + encrypt(data); + break; + } + case REQUEST_CODE_SIGN_AND_ENCRYPT: { + signAndEncrypt(data); + break; + } + case REQUEST_CODE_DECRYPT_AND_VERIFY: { + decryptAndVerify(data); + break; + } + } + } + } + + @Override + public void onDestroy() { + super.onDestroy(); + + if (mServiceConnection != null) { + mServiceConnection.unbindFromService(); + } + } + +} |