diff options
Diffstat (limited to 'libs/openpgp-api-lib/src/org')
10 files changed, 1326 insertions, 6 deletions
diff --git a/libs/openpgp-api-lib b/libs/openpgp-api-lib deleted file mode 160000 -Subproject 0be263d5d3effd2df5f976fa4a127017268749c diff --git a/libs/openpgp-api-lib/src/org/openintents/openpgp/IOpenPgpService.aidl b/libs/openpgp-api-lib/src/org/openintents/openpgp/IOpenPgpService.aidl new file mode 100644 index 00000000..7ee79d6a --- /dev/null +++ b/libs/openpgp-api-lib/src/org/openintents/openpgp/IOpenPgpService.aidl @@ -0,0 +1,24 @@ +/* + * 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; + +interface IOpenPgpService { + + // see OpenPgpApi for documentation + Intent execute(in Intent data, in ParcelFileDescriptor input, in ParcelFileDescriptor output); + +}
\ No newline at end of file diff --git a/libs/openpgp-api-lib/src/org/openintents/openpgp/OpenPgpError.java b/libs/openpgp-api-lib/src/org/openintents/openpgp/OpenPgpError.java new file mode 100644 index 00000000..b894a460 --- /dev/null +++ b/libs/openpgp-api-lib/src/org/openintents/openpgp/OpenPgpError.java @@ -0,0 +1,118 @@ +/* + * 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; + +import android.os.Parcel; +import android.os.Parcelable; + +/** + * Parcelable versioning has been copied from Dashclock Widget + * https://code.google.com/p/dashclock/source/browse/api/src/main/java/com/google/android/apps/dashclock/api/ExtensionData.java + */ +public class OpenPgpError implements Parcelable { + /** + * Since there might be a case where new versions of the client using the library getting + * old versions of the protocol (and thus old versions of this class), we need a versioning + * system for the parcels sent between the clients and the providers. + */ + public static final int PARCELABLE_VERSION = 1; + + // possible values for errorId + public static final int CLIENT_SIDE_ERROR = -1; + public static final int GENERIC_ERROR = 0; + public static final int INCOMPATIBLE_API_VERSIONS = 1; + public static final int NO_OR_WRONG_PASSPHRASE = 2; + public static final int NO_USER_IDS = 3; + + int errorId; + String message; + + public OpenPgpError() { + } + + public OpenPgpError(int errorId, String message) { + this.errorId = errorId; + this.message = message; + } + + public OpenPgpError(OpenPgpError b) { + this.errorId = b.errorId; + this.message = b.message; + } + + public int getErrorId() { + return errorId; + } + + public void setErrorId(int errorId) { + this.errorId = errorId; + } + + public String getMessage() { + return message; + } + + public void setMessage(String message) { + this.message = message; + } + + public int describeContents() { + return 0; + } + + public void writeToParcel(Parcel dest, int flags) { + /** + * NOTE: When adding fields in the process of updating this API, make sure to bump + * {@link #PARCELABLE_VERSION}. + */ + dest.writeInt(PARCELABLE_VERSION); + // Inject a placeholder that will store the parcel size from this point on + // (not including the size itself). + int sizePosition = dest.dataPosition(); + dest.writeInt(0); + int startPosition = dest.dataPosition(); + // version 1 + dest.writeInt(errorId); + dest.writeString(message); + // Go back and write the size + int parcelableSize = dest.dataPosition() - startPosition; + dest.setDataPosition(sizePosition); + dest.writeInt(parcelableSize); + dest.setDataPosition(startPosition + parcelableSize); + } + + public static final Creator<OpenPgpError> CREATOR = new Creator<OpenPgpError>() { + public OpenPgpError createFromParcel(final Parcel source) { + int parcelableVersion = source.readInt(); + int parcelableSize = source.readInt(); + int startPosition = source.dataPosition(); + + OpenPgpError error = new OpenPgpError(); + error.errorId = source.readInt(); + error.message = source.readString(); + + // skip over all fields added in future versions of this parcel + source.setDataPosition(startPosition + parcelableSize); + + return error; + } + + public OpenPgpError[] newArray(final int size) { + return new OpenPgpError[size]; + } + }; +} diff --git a/libs/openpgp-api-lib/src/org/openintents/openpgp/OpenPgpMetadata.java b/libs/openpgp-api-lib/src/org/openintents/openpgp/OpenPgpMetadata.java new file mode 100644 index 00000000..2a99e406 --- /dev/null +++ b/libs/openpgp-api-lib/src/org/openintents/openpgp/OpenPgpMetadata.java @@ -0,0 +1,132 @@ +/* + * 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; + +import android.os.Parcel; +import android.os.Parcelable; + +/** + * Parcelable versioning has been copied from Dashclock Widget + * https://code.google.com/p/dashclock/source/browse/api/src/main/java/com/google/android/apps/dashclock/api/ExtensionData.java + */ +public class OpenPgpMetadata implements Parcelable { + /** + * Since there might be a case where new versions of the client using the library getting + * old versions of the protocol (and thus old versions of this class), we need a versioning + * system for the parcels sent between the clients and the providers. + */ + public static final int PARCELABLE_VERSION = 1; + + String filename; + String mimeType; + long modificationTime; + long originalSize; + + public String getFilename() { + return filename; + } + + public String getMimeType() { + return mimeType; + } + + public long getModificationTime() { + return modificationTime; + } + + public long getOriginalSize() { + return originalSize; + } + + public OpenPgpMetadata() { + } + + public OpenPgpMetadata(String filename, String mimeType, long modificationTime, + long originalSize) { + this.filename = filename; + this.mimeType = mimeType; + this.modificationTime = modificationTime; + this.originalSize = originalSize; + } + + public OpenPgpMetadata(OpenPgpMetadata b) { + this.filename = b.filename; + this.mimeType = b.mimeType; + this.modificationTime = b.modificationTime; + this.originalSize = b.originalSize; + } + + public int describeContents() { + return 0; + } + + public void writeToParcel(Parcel dest, int flags) { + /** + * NOTE: When adding fields in the process of updating this API, make sure to bump + * {@link #PARCELABLE_VERSION}. + */ + dest.writeInt(PARCELABLE_VERSION); + // Inject a placeholder that will store the parcel size from this point on + // (not including the size itself). + int sizePosition = dest.dataPosition(); + dest.writeInt(0); + int startPosition = dest.dataPosition(); + // version 1 + dest.writeString(filename); + dest.writeString(mimeType); + dest.writeLong(modificationTime); + dest.writeLong(originalSize); + // Go back and write the size + int parcelableSize = dest.dataPosition() - startPosition; + dest.setDataPosition(sizePosition); + dest.writeInt(parcelableSize); + dest.setDataPosition(startPosition + parcelableSize); + } + + public static final Creator<OpenPgpMetadata> CREATOR = new Creator<OpenPgpMetadata>() { + public OpenPgpMetadata createFromParcel(final Parcel source) { + int parcelableVersion = source.readInt(); + int parcelableSize = source.readInt(); + int startPosition = source.dataPosition(); + + OpenPgpMetadata vr = new OpenPgpMetadata(); + vr.filename = source.readString(); + vr.mimeType = source.readString(); + vr.modificationTime = source.readLong(); + vr.originalSize = source.readLong(); + + // skip over all fields added in future versions of this parcel + source.setDataPosition(startPosition + parcelableSize); + + return vr; + } + + public OpenPgpMetadata[] newArray(final int size) { + return new OpenPgpMetadata[size]; + } + }; + + @Override + public String toString() { + String out = "\nfilename: " + filename; + out += "\nmimeType: " + mimeType; + out += "\nmodificationTime: " + modificationTime; + out += "\noriginalSize: " + originalSize; + return out; + } + +} diff --git a/libs/openpgp-api-lib/src/org/openintents/openpgp/OpenPgpSignatureResult.java b/libs/openpgp-api-lib/src/org/openintents/openpgp/OpenPgpSignatureResult.java new file mode 100644 index 00000000..dbcd74b6 --- /dev/null +++ b/libs/openpgp-api-lib/src/org/openintents/openpgp/OpenPgpSignatureResult.java @@ -0,0 +1,183 @@ +/* + * 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; + +import android.os.Parcel; +import android.os.Parcelable; + +import org.openintents.openpgp.util.OpenPgpUtils; + +import java.util.ArrayList; +import java.util.Locale; + +/** + * Parcelable versioning has been copied from Dashclock Widget + * https://code.google.com/p/dashclock/source/browse/api/src/main/java/com/google/android/apps/dashclock/api/ExtensionData.java + */ +public class OpenPgpSignatureResult implements Parcelable { + /** + * Since there might be a case where new versions of the client using the library getting + * old versions of the protocol (and thus old versions of this class), we need a versioning + * system for the parcels sent between the clients and the providers. + */ + public static final int PARCELABLE_VERSION = 2; + + // generic error on signature verification + public static final int SIGNATURE_ERROR = 0; + // successfully verified signature, with certified key + public static final int SIGNATURE_SUCCESS_CERTIFIED = 1; + // no key was found for this signature verification + public static final int SIGNATURE_KEY_MISSING = 2; + // successfully verified signature, but with uncertified key + public static final int SIGNATURE_SUCCESS_UNCERTIFIED = 3; + // key has been revoked + public static final int SIGNATURE_KEY_REVOKED = 4; + // key is expired + public static final int SIGNATURE_KEY_EXPIRED = 5; + + int status; + boolean signatureOnly; + String primaryUserId; + ArrayList<String> userIds; + long keyId; + + public int getStatus() { + return status; + } + + public void setStatus(int status) { + this.status = status; + } + + public boolean isSignatureOnly() { + return signatureOnly; + } + + public void setSignatureOnly(boolean signatureOnly) { + this.signatureOnly = signatureOnly; + } + + public String getPrimaryUserId() { + return primaryUserId; + } + + public void setPrimaryUserId(String primaryUserId) { + this.primaryUserId = primaryUserId; + } + + public ArrayList<String> getUserIds() { + return userIds; + } + + public void setUserIds(ArrayList<String> userIds) { + this.userIds = userIds; + } + + public long getKeyId() { + return keyId; + } + + public void setKeyId(long keyId) { + this.keyId = keyId; + } + + public OpenPgpSignatureResult() { + + } + + public OpenPgpSignatureResult(int signatureStatus, String signatureUserId, + boolean signatureOnly, long keyId, ArrayList<String> userIds) { + this.status = signatureStatus; + this.signatureOnly = signatureOnly; + this.primaryUserId = signatureUserId; + this.keyId = keyId; + this.userIds = userIds; + } + + public OpenPgpSignatureResult(OpenPgpSignatureResult b) { + this.status = b.status; + this.primaryUserId = b.primaryUserId; + this.signatureOnly = b.signatureOnly; + this.keyId = b.keyId; + this.userIds = b.userIds; + } + + public int describeContents() { + return 0; + } + + public void writeToParcel(Parcel dest, int flags) { + /** + * NOTE: When adding fields in the process of updating this API, make sure to bump + * {@link #PARCELABLE_VERSION}. + */ + dest.writeInt(PARCELABLE_VERSION); + // Inject a placeholder that will store the parcel size from this point on + // (not including the size itself). + int sizePosition = dest.dataPosition(); + dest.writeInt(0); + int startPosition = dest.dataPosition(); + // version 1 + dest.writeInt(status); + dest.writeByte((byte) (signatureOnly ? 1 : 0)); + dest.writeString(primaryUserId); + dest.writeLong(keyId); + // version 2 + dest.writeStringList(userIds); + // Go back and write the size + int parcelableSize = dest.dataPosition() - startPosition; + dest.setDataPosition(sizePosition); + dest.writeInt(parcelableSize); + dest.setDataPosition(startPosition + parcelableSize); + } + + public static final Creator<OpenPgpSignatureResult> CREATOR = new Creator<OpenPgpSignatureResult>() { + public OpenPgpSignatureResult createFromParcel(final Parcel source) { + int parcelableVersion = source.readInt(); + int parcelableSize = source.readInt(); + int startPosition = source.dataPosition(); + + OpenPgpSignatureResult vr = new OpenPgpSignatureResult(); + vr.status = source.readInt(); + vr.signatureOnly = source.readByte() == 1; + vr.primaryUserId = source.readString(); + vr.keyId = source.readLong(); + vr.userIds = new ArrayList<String>(); + source.readStringList(vr.userIds); + + // skip over all fields added in future versions of this parcel + source.setDataPosition(startPosition + parcelableSize); + + return vr; + } + + public OpenPgpSignatureResult[] newArray(final int size) { + return new OpenPgpSignatureResult[size]; + } + }; + + @Override + public String toString() { + String out = "\nstatus: " + status; + out += "\nprimaryUserId: " + primaryUserId; + out += "\nuserIds: " + userIds; + out += "\nsignatureOnly: " + signatureOnly; + out += "\nkeyId: " + OpenPgpUtils.convertKeyIdToHex(keyId); + return out; + } + +} 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 new file mode 100644 index 00000000..3e18ab0c --- /dev/null +++ b/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpApi.java @@ -0,0 +1,306 @@ +/* + * 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; + } + } + +} diff --git a/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpListPreference.java b/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpListPreference.java new file mode 100644 index 00000000..cf586462 --- /dev/null +++ b/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpListPreference.java @@ -0,0 +1,257 @@ +/* + * 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.app.AlertDialog.Builder; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.pm.ResolveInfo; +import android.content.res.TypedArray; +import android.graphics.drawable.Drawable; +import android.net.Uri; +import android.preference.DialogPreference; +import android.util.AttributeSet; +import android.view.View; +import android.view.ViewGroup; +import android.widget.ArrayAdapter; +import android.widget.ListAdapter; +import android.widget.TextView; +import org.openintents.openpgp.R; + +import java.util.ArrayList; +import java.util.List; + +/** + * Does not extend ListPreference, but is very similar to it! + * http://grepcode.com/file_/repository.grepcode.com/java/ext/com.google.android/android/4.4_r1/android/preference/ListPreference.java/?v=source + */ +public class OpenPgpListPreference extends DialogPreference { + private static final String OPENKEYCHAIN_PACKAGE = "org.sufficientlysecure.keychain"; + private static final String MARKET_INTENT_URI_BASE = "market://details?id=%s"; + private static final Intent MARKET_INTENT = new Intent(Intent.ACTION_VIEW, Uri.parse( + String.format(MARKET_INTENT_URI_BASE, OPENKEYCHAIN_PACKAGE))); + + private ArrayList<OpenPgpProviderEntry> mLegacyList = new ArrayList<OpenPgpProviderEntry>(); + private ArrayList<OpenPgpProviderEntry> mList = new ArrayList<OpenPgpProviderEntry>(); + + private String mSelectedPackage; + + public OpenPgpListPreference(Context context, AttributeSet attrs) { + super(context, attrs); + } + + public OpenPgpListPreference(Context context) { + this(context, null); + } + + /** + * Public method to add new entries for legacy applications + * + * @param packageName + * @param simpleName + * @param icon + */ + public void addLegacyProvider(int position, String packageName, String simpleName, Drawable icon) { + mLegacyList.add(position, new OpenPgpProviderEntry(packageName, simpleName, icon)); + } + + @Override + protected void onPrepareDialogBuilder(Builder builder) { + mList.clear(); + + // add "none"-entry + mList.add(0, new OpenPgpProviderEntry("", + getContext().getString(R.string.openpgp_list_preference_none), + getContext().getResources().getDrawable(R.drawable.ic_action_cancel_launchersize))); + + // add all additional (legacy) providers + mList.addAll(mLegacyList); + + // search for OpenPGP providers... + ArrayList<OpenPgpProviderEntry> providerList = new ArrayList<OpenPgpProviderEntry>(); + Intent intent = new Intent(OpenPgpApi.SERVICE_INTENT); + List<ResolveInfo> resInfo = getContext().getPackageManager().queryIntentServices(intent, 0); + if (!resInfo.isEmpty()) { + for (ResolveInfo resolveInfo : resInfo) { + if (resolveInfo.serviceInfo == null) + continue; + + String packageName = resolveInfo.serviceInfo.packageName; + String simpleName = String.valueOf(resolveInfo.serviceInfo.loadLabel(getContext() + .getPackageManager())); + Drawable icon = resolveInfo.serviceInfo.loadIcon(getContext().getPackageManager()); + + providerList.add(new OpenPgpProviderEntry(packageName, simpleName, icon)); + } + } + + if (providerList.isEmpty()) { + // add install links if provider list is empty + resInfo = getContext().getPackageManager().queryIntentActivities + (MARKET_INTENT, 0); + for (ResolveInfo resolveInfo : resInfo) { + Intent marketIntent = new Intent(MARKET_INTENT); + marketIntent.setPackage(resolveInfo.activityInfo.packageName); + Drawable icon = resolveInfo.activityInfo.loadIcon(getContext().getPackageManager()); + String marketName = String.valueOf(resolveInfo.activityInfo.applicationInfo + .loadLabel(getContext().getPackageManager())); + String simpleName = String.format(getContext().getString(R.string + .openpgp_install_openkeychain_via), marketName); + mList.add(new OpenPgpProviderEntry(OPENKEYCHAIN_PACKAGE, simpleName, + icon, marketIntent)); + } + } else { + // add provider + mList.addAll(providerList); + } + + // Init ArrayAdapter with OpenPGP Providers + ListAdapter adapter = new ArrayAdapter<OpenPgpProviderEntry>(getContext(), + android.R.layout.select_dialog_singlechoice, android.R.id.text1, mList) { + public View getView(int position, View convertView, ViewGroup parent) { + // User super class to create the View + View v = super.getView(position, convertView, parent); + TextView tv = (TextView) v.findViewById(android.R.id.text1); + + // Put the image on the TextView + tv.setCompoundDrawablesWithIntrinsicBounds(mList.get(position).icon, null, + null, null); + + // Add margin between image and text (support various screen densities) + int dp10 = (int) (10 * getContext().getResources().getDisplayMetrics().density + 0.5f); + tv.setCompoundDrawablePadding(dp10); + + return v; + } + }; + + builder.setSingleChoiceItems(adapter, getIndexOfProviderList(getValue()), + new DialogInterface.OnClickListener() { + + @Override + public void onClick(DialogInterface dialog, int which) { + OpenPgpProviderEntry entry = mList.get(which); + + if (entry.intent != null) { + /* + * Intents are called as activity + * + * Current approach is to assume the user installed the app. + * If he does not, the selected package is not valid. + * + * However applications should always consider this could happen, + * as the user might remove the currently used OpenPGP app. + */ + getContext().startActivity(entry.intent); + } + + mSelectedPackage = entry.packageName; + + /* + * Clicking on an item simulates the positive button click, and dismisses + * the dialog. + */ + OpenPgpListPreference.this.onClick(dialog, DialogInterface.BUTTON_POSITIVE); + dialog.dismiss(); + } + }); + + /* + * The typical interaction for list-based dialogs is to have click-on-an-item dismiss the + * dialog instead of the user having to press 'Ok'. + */ + builder.setPositiveButton(null, null); + } + + @Override + protected void onDialogClosed(boolean positiveResult) { + super.onDialogClosed(positiveResult); + + if (positiveResult && (mSelectedPackage != null)) { + if (callChangeListener(mSelectedPackage)) { + setValue(mSelectedPackage); + } + } + } + + private int getIndexOfProviderList(String packageName) { + for (OpenPgpProviderEntry app : mList) { + if (app.packageName.equals(packageName)) { + return mList.indexOf(app); + } + } + + return -1; + } + + public void setValue(String packageName) { + mSelectedPackage = packageName; + persistString(packageName); + } + + public String getValue() { + return mSelectedPackage; + } + + public String getEntry() { + return getEntryByValue(mSelectedPackage); + } + + @Override + protected Object onGetDefaultValue(TypedArray a, int index) { + return a.getString(index); + } + + @Override + protected void onSetInitialValue(boolean restoreValue, Object defaultValue) { + setValue(restoreValue ? getPersistedString(mSelectedPackage) : (String) defaultValue); + } + + public String getEntryByValue(String packageName) { + for (OpenPgpProviderEntry app : mList) { + if (app.packageName.equals(packageName)) { + return app.simpleName; + } + } + + return null; + } + + private static class OpenPgpProviderEntry { + private String packageName; + private String simpleName; + private Drawable icon; + private Intent intent; + + public OpenPgpProviderEntry(String packageName, String simpleName, Drawable icon) { + this.packageName = packageName; + this.simpleName = simpleName; + this.icon = icon; + } + + public OpenPgpProviderEntry(String packageName, String simpleName, Drawable icon, Intent intent) { + this(packageName, simpleName, icon); + this.intent = intent; + } + + @Override + public String toString() { + return simpleName; + } + } +} diff --git a/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpServiceConnection.java b/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpServiceConnection.java new file mode 100644 index 00000000..15096d9e --- /dev/null +++ b/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpServiceConnection.java @@ -0,0 +1,124 @@ +/* + * 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.content.ComponentName; +import android.content.Context; +import android.content.Intent; +import android.content.ServiceConnection; +import android.os.IBinder; + +import org.openintents.openpgp.IOpenPgpService; + +public class OpenPgpServiceConnection { + + // callback interface + public interface OnBound { + public void onBound(IOpenPgpService service); + + public void onError(Exception e); + } + + private Context mApplicationContext; + + private IOpenPgpService mService; + private String mProviderPackageName; + + private OnBound mOnBoundListener; + + /** + * Create new connection + * + * @param context + * @param providerPackageName specify package name of OpenPGP provider, + * e.g., "org.sufficientlysecure.keychain" + */ + public OpenPgpServiceConnection(Context context, String providerPackageName) { + this.mApplicationContext = context.getApplicationContext(); + this.mProviderPackageName = providerPackageName; + } + + /** + * Create new connection with callback + * + * @param context + * @param providerPackageName specify package name of OpenPGP provider, + * e.g., "org.sufficientlysecure.keychain" + * @param onBoundListener callback, executed when connection to service has been established + */ + public OpenPgpServiceConnection(Context context, String providerPackageName, + OnBound onBoundListener) { + this(context, providerPackageName); + this.mOnBoundListener = onBoundListener; + } + + public IOpenPgpService getService() { + return mService; + } + + public boolean isBound() { + return (mService != null); + } + + private ServiceConnection mServiceConnection = new ServiceConnection() { + public void onServiceConnected(ComponentName name, IBinder service) { + mService = IOpenPgpService.Stub.asInterface(service); + if (mOnBoundListener != null) { + mOnBoundListener.onBound(mService); + } + } + + public void onServiceDisconnected(ComponentName name) { + mService = null; + } + }; + + /** + * If not already bound, bind to service! + * + * @return + */ + public void bindToService() { + // if not already bound... + if (mService == null) { + try { + Intent serviceIntent = new Intent(OpenPgpApi.SERVICE_INTENT); + // NOTE: setPackage is very important to restrict the intent to this provider only! + serviceIntent.setPackage(mProviderPackageName); + boolean connect = mApplicationContext.bindService(serviceIntent, mServiceConnection, + Context.BIND_AUTO_CREATE); + if (!connect) { + throw new Exception("bindService() returned false!"); + } + } catch (Exception e) { + if (mOnBoundListener != null) { + mOnBoundListener.onError(e); + } + } + } else { + // already bound, but also inform client about it with callback + if (mOnBoundListener != null) { + mOnBoundListener.onBound(mService); + } + } + } + + public void unbindFromService() { + mApplicationContext.unbindService(mServiceConnection); + } + +} diff --git a/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpUtils.java b/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpUtils.java new file mode 100644 index 00000000..416b2841 --- /dev/null +++ b/libs/openpgp-api-lib/src/org/openintents/openpgp/util/OpenPgpUtils.java @@ -0,0 +1,76 @@ +/* + * 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 java.util.List; +import java.util.Locale; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import android.content.Context; +import android.content.Intent; +import android.content.pm.ResolveInfo; + +public class OpenPgpUtils { + + public static final Pattern PGP_MESSAGE = Pattern.compile( + ".*?(-----BEGIN PGP MESSAGE-----.*?-----END PGP MESSAGE-----).*", + Pattern.DOTALL); + + public static final Pattern PGP_SIGNED_MESSAGE = Pattern.compile( + ".*?(-----BEGIN PGP SIGNED MESSAGE-----.*?-----BEGIN PGP SIGNATURE-----.*?-----END PGP SIGNATURE-----).*", + Pattern.DOTALL); + + public static final int PARSE_RESULT_NO_PGP = -1; + public static final int PARSE_RESULT_MESSAGE = 0; + public static final int PARSE_RESULT_SIGNED_MESSAGE = 1; + + public static int parseMessage(String message) { + Matcher matcherSigned = PGP_SIGNED_MESSAGE.matcher(message); + Matcher matcherMessage = PGP_MESSAGE.matcher(message); + + if (matcherMessage.matches()) { + return PARSE_RESULT_MESSAGE; + } else if (matcherSigned.matches()) { + return PARSE_RESULT_SIGNED_MESSAGE; + } else { + return PARSE_RESULT_NO_PGP; + } + } + + public static boolean isAvailable(Context context) { + Intent intent = new Intent(OpenPgpApi.SERVICE_INTENT); + List<ResolveInfo> resInfo = context.getPackageManager().queryIntentServices(intent, 0); + if (!resInfo.isEmpty()) { + return true; + } else { + return false; + } + } + + public static String convertKeyIdToHex(long keyId) { + return "0x" + convertKeyIdToHex32bit(keyId >> 32) + convertKeyIdToHex32bit(keyId); + } + + private static String convertKeyIdToHex32bit(long keyId) { + String hexString = Long.toHexString(keyId & 0xffffffffL).toLowerCase(Locale.ENGLISH); + while (hexString.length() < 8) { + hexString = "0" + hexString; + } + return hexString; + } +} diff --git a/libs/openpgp-api-lib/src/org/openintents/openpgp/util/ParcelFileDescriptorUtil.java b/libs/openpgp-api-lib/src/org/openintents/openpgp/util/ParcelFileDescriptorUtil.java new file mode 100644 index 00000000..4fd4b39a --- /dev/null +++ b/libs/openpgp-api-lib/src/org/openintents/openpgp/util/ParcelFileDescriptorUtil.java @@ -0,0 +1,106 @@ +/* + * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de> + * 2013 Florian Schmaus <flo@geekplace.eu> + * + * 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.os.ParcelFileDescriptor; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; + +/** + * Partially based on <a href="http://stackoverflow.com/questions/18212152/">Stackoverflow: Transfer InputStream to another Service (across process boundaries)</a> + **/ +public class ParcelFileDescriptorUtil { + + public interface IThreadListener { + void onThreadFinished(final Thread thread); + } + + public static ParcelFileDescriptor pipeFrom(InputStream inputStream, IThreadListener listener) + throws IOException { + ParcelFileDescriptor[] pipe = ParcelFileDescriptor.createPipe(); + ParcelFileDescriptor readSide = pipe[0]; + ParcelFileDescriptor writeSide = pipe[1]; + + // start the transfer thread + new TransferThread(inputStream, new ParcelFileDescriptor.AutoCloseOutputStream(writeSide), + listener) + .start(); + + return readSide; + } + + public static ParcelFileDescriptor pipeTo(OutputStream outputStream, IThreadListener listener) + throws IOException { + ParcelFileDescriptor[] pipe = ParcelFileDescriptor.createPipe(); + ParcelFileDescriptor readSide = pipe[0]; + ParcelFileDescriptor writeSide = pipe[1]; + + // start the transfer thread + new TransferThread(new ParcelFileDescriptor.AutoCloseInputStream(readSide), outputStream, + listener) + .start(); + + return writeSide; + } + + static class TransferThread extends Thread { + final InputStream mIn; + final OutputStream mOut; + final IThreadListener mListener; + + TransferThread(InputStream in, OutputStream out, IThreadListener listener) { + super("ParcelFileDescriptor Transfer Thread"); + mIn = in; + mOut = out; + mListener = listener; + setDaemon(true); + } + + @Override + public void run() { + byte[] buf = new byte[1024]; + int len; + + try { + while ((len = mIn.read(buf)) > 0) { + mOut.write(buf, 0, len); + } + mOut.flush(); // just to be safe + } catch (IOException e) { + //Log.e(OpenPgpApi.TAG, "TransferThread" + getId() + ": writing failed", e); + } finally { + try { + mIn.close(); + } catch (IOException e) { + //Log.e(OpenPgpApi.TAG, "TransferThread" + getId(), e); + } + try { + mOut.close(); + } catch (IOException e) { + //Log.e(OpenPgpApi.TAG, "TransferThread" + getId(), e); + } + } + if (mListener != null) { + //Log.d(OpenPgpApi.TAG, "TransferThread " + getId() + " finished!"); + mListener.onThreadFinished(this); + } + } + } +} |