diff options
Diffstat (limited to 'libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpApi.java')
| -rw-r--r-- | libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpApi.java | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpApi.java b/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpApi.java deleted file mode 100644 index 3e18ab0c..00000000 --- a/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpApi.java +++ /dev/null @@ -1,306 +0,0 @@ -/* - * Copyright (C) 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.openintents.openpgp.util; - -import android.annotation.TargetApi; -import android.content.Context; -import android.content.Intent; -import android.os.AsyncTask; -import android.os.Build; -import android.os.ParcelFileDescriptor; -import android.util.Log; - -import org.openintents.openpgp.IOpenPgpService; -import org.openintents.openpgp.OpenPgpError; - -import java.io.InputStream; -import java.io.OutputStream; - -public class OpenPgpApi { - - public static final String TAG = "OpenPgp API"; - - public static final String SERVICE_INTENT = "org.openintents.openpgp.IOpenPgpService"; - - /** - * Version history - * --------------- - * <p/> - * 3: - * - first public stable version - * <p/> - * 4: - * - No changes to existing methods -> backward compatible - * - Introduction of ACTION_DECRYPT_METADATA, RESULT_METADATA, EXTRA_ORIGINAL_FILENAME, and OpenPgpMetadata parcel - * - Introduction of internal NFC extras: EXTRA_NFC_SIGNED_HASH, EXTRA_NFC_SIG_CREATION_TIMESTAMP - * 5: - * - OpenPgpSignatureResult: new consts SIGNATURE_KEY_REVOKED and SIGNATURE_KEY_EXPIRED - * - OpenPgpSignatureResult: ArrayList<String> userIds - */ - public static final int API_VERSION = 5; - - /** - * General extras - * -------------- - * - * required extras: - * int EXTRA_API_VERSION (always required) - * - * returned extras: - * int RESULT_CODE (RESULT_CODE_ERROR, RESULT_CODE_SUCCESS or RESULT_CODE_USER_INTERACTION_REQUIRED) - * OpenPgpError RESULT_ERROR (if RESULT_CODE == RESULT_CODE_ERROR) - * PendingIntent RESULT_INTENT (if RESULT_CODE == RESULT_CODE_USER_INTERACTION_REQUIRED) - */ - - /** - * Sign only - * <p/> - * optional extras: - * boolean EXTRA_REQUEST_ASCII_ARMOR (request ascii armor for output) - * String EXTRA_PASSPHRASE (key passphrase) - */ - public static final String ACTION_SIGN = "org.openintents.openpgp.action.SIGN"; - - /** - * Encrypt - * <p/> - * required extras: - * String[] EXTRA_USER_IDS (=emails of recipients, if more than one key has a user_id, a PendingIntent is returned via RESULT_INTENT) - * or - * long[] EXTRA_KEY_IDS - * <p/> - * optional extras: - * boolean EXTRA_REQUEST_ASCII_ARMOR (request ascii armor for output) - * String EXTRA_PASSPHRASE (key passphrase) - * String EXTRA_ORIGINAL_FILENAME (original filename to be encrypted as metadata) - */ - public static final String ACTION_ENCRYPT = "org.openintents.openpgp.action.ENCRYPT"; - - /** - * Sign and encrypt - * <p/> - * required extras: - * String[] EXTRA_USER_IDS (=emails of recipients, if more than one key has a user_id, a PendingIntent is returned via RESULT_INTENT) - * or - * long[] EXTRA_KEY_IDS - * <p/> - * optional extras: - * boolean EXTRA_REQUEST_ASCII_ARMOR (request ascii armor for output) - * String EXTRA_PASSPHRASE (key passphrase) - * String EXTRA_ORIGINAL_FILENAME (original filename to be encrypted as metadata) - */ - public static final String ACTION_SIGN_AND_ENCRYPT = "org.openintents.openpgp.action.SIGN_AND_ENCRYPT"; - - /** - * Decrypts and verifies given input stream. This methods handles encrypted-only, signed-and-encrypted, - * and also signed-only input. - * <p/> - * If OpenPgpSignatureResult.getStatus() == OpenPgpSignatureResult.SIGNATURE_KEY_MISSING - * in addition a PendingIntent is returned via RESULT_INTENT to download missing keys. - * <p/> - * optional extras: - * boolean EXTRA_REQUEST_ASCII_ARMOR (request ascii armor for output) - * <p/> - * returned extras: - * OpenPgpSignatureResult RESULT_SIGNATURE - * OpenPgpDecryptMetadata RESULT_METADATA - */ - public static final String ACTION_DECRYPT_VERIFY = "org.openintents.openpgp.action.DECRYPT_VERIFY"; - - /** - * Decrypts the header of an encrypted file to retrieve metadata such as original filename. - * <p/> - * This does not decrypt the actual content of the file. - * <p/> - * returned extras: - * OpenPgpDecryptMetadata RESULT_METADATA - */ - public static final String ACTION_DECRYPT_METADATA = "org.openintents.openpgp.action.DECRYPT_METADATA"; - - /** - * Get key ids based on given user ids (=emails) - * <p/> - * required extras: - * String[] EXTRA_USER_IDS - * <p/> - * returned extras: - * long[] RESULT_KEY_IDS - */ - public static final String ACTION_GET_KEY_IDS = "org.openintents.openpgp.action.GET_KEY_IDS"; - - /** - * This action returns RESULT_CODE_SUCCESS if the OpenPGP Provider already has the key - * corresponding to the given key id in its database. - * <p/> - * It returns RESULT_CODE_USER_INTERACTION_REQUIRED if the Provider does not have the key. - * The PendingIntent from RESULT_INTENT can be used to retrieve those from a keyserver. - * <p/> - * required extras: - * long EXTRA_KEY_ID - */ - public static final String ACTION_GET_KEY = "org.openintents.openpgp.action.GET_KEY"; - - /* Intent extras */ - public static final String EXTRA_API_VERSION = "api_version"; - - public static final String EXTRA_ACCOUNT_NAME = "account_name"; - - // SIGN, ENCRYPT, SIGN_AND_ENCRYPT, DECRYPT_VERIFY - // request ASCII Armor for output - // OpenPGP Radix-64, 33 percent overhead compared to binary, see http://tools.ietf.org/html/rfc4880#page-53) - public static final String EXTRA_REQUEST_ASCII_ARMOR = "ascii_armor"; - - // ENCRYPT, SIGN_AND_ENCRYPT - public static final String EXTRA_USER_IDS = "user_ids"; - public static final String EXTRA_KEY_IDS = "key_ids"; - // optional extras: - public static final String EXTRA_PASSPHRASE = "passphrase"; - public static final String EXTRA_ORIGINAL_FILENAME = "original_filename"; - - // internal NFC states - public static final String EXTRA_NFC_SIGNED_HASH = "nfc_signed_hash"; - public static final String EXTRA_NFC_SIG_CREATION_TIMESTAMP = "nfc_sig_creation_timestamp"; - public static final String EXTRA_NFC_DECRYPTED_SESSION_KEY = "nfc_decrypted_session_key"; - - // GET_KEY - public static final String EXTRA_KEY_ID = "key_id"; - public static final String RESULT_KEY_IDS = "key_ids"; - - /* Service Intent returns */ - public static final String RESULT_CODE = "result_code"; - - // get actual error object from RESULT_ERROR - public static final int RESULT_CODE_ERROR = 0; - // success! - public static final int RESULT_CODE_SUCCESS = 1; - // get PendingIntent from RESULT_INTENT, start PendingIntent with startIntentSenderForResult, - // and execute service method again in onActivityResult - public static final int RESULT_CODE_USER_INTERACTION_REQUIRED = 2; - - public static final String RESULT_ERROR = "error"; - public static final String RESULT_INTENT = "intent"; - - // DECRYPT_VERIFY - public static final String RESULT_SIGNATURE = "signature"; - public static final String RESULT_METADATA = "metadata"; - - IOpenPgpService mService; - Context mContext; - - public OpenPgpApi(Context context, IOpenPgpService service) { - this.mContext = context; - this.mService = service; - } - - public interface IOpenPgpCallback { - void onReturn(final Intent result); - } - - private class OpenPgpAsyncTask extends AsyncTask<Void, Integer, Intent> { - Intent data; - InputStream is; - OutputStream os; - IOpenPgpCallback callback; - - private OpenPgpAsyncTask(Intent data, InputStream is, OutputStream os, IOpenPgpCallback callback) { - this.data = data; - this.is = is; - this.os = os; - this.callback = callback; - } - - @Override - protected Intent doInBackground(Void... unused) { - return executeApi(data, is, os); - } - - protected void onPostExecute(Intent result) { - callback.onReturn(result); - } - - } - - @TargetApi(Build.VERSION_CODES.HONEYCOMB) - public void executeApiAsync(Intent data, InputStream is, OutputStream os, IOpenPgpCallback callback) { - OpenPgpAsyncTask task = new OpenPgpAsyncTask(data, is, os, callback); - - // don't serialize async tasks! - // http://commonsware.com/blog/2012/04/20/asynctask-threading-regression-confirmed.html - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { - task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void[]) null); - } else { - task.execute((Void[]) null); - } - } - - public Intent executeApi(Intent data, InputStream is, OutputStream os) { - try { - data.putExtra(EXTRA_API_VERSION, OpenPgpApi.API_VERSION); - - Intent result; - - // pipe the input and output - ParcelFileDescriptor input = null; - if (is != null) { - input = ParcelFileDescriptorUtil.pipeFrom(is, - new ParcelFileDescriptorUtil.IThreadListener() { - - @Override - public void onThreadFinished(Thread thread) { - //Log.d(OpenPgpApi.TAG, "Copy to service finished"); - } - } - ); - } - ParcelFileDescriptor output = null; - if (os != null) { - output = ParcelFileDescriptorUtil.pipeTo(os, - new ParcelFileDescriptorUtil.IThreadListener() { - - @Override - public void onThreadFinished(Thread thread) { - //Log.d(OpenPgpApi.TAG, "Service finished writing!"); - } - } - ); - } - - // blocks until result is ready - result = mService.execute(data, input, output); - // close() is required to halt the TransferThread - if (output != null) { - output.close(); - } - // TODO: close input? - - // set class loader to current context to allow unparcelling - // of OpenPgpError and OpenPgpSignatureResult - // http://stackoverflow.com/a/3806769 - result.setExtrasClassLoader(mContext.getClassLoader()); - - return result; - } catch (Exception e) { - Log.e(OpenPgpApi.TAG, "Exception in executeApi call", e); - Intent result = new Intent(); - result.putExtra(RESULT_CODE, RESULT_CODE_ERROR); - result.putExtra(RESULT_ERROR, - new OpenPgpError(OpenPgpError.CLIENT_SIDE_ERROR, e.getMessage())); - return result; - } - } - -} |