diff options
Diffstat (limited to 'src/main/java/eu/siacs/conversations/crypto/PgpEngine.java')
-rw-r--r-- | src/main/java/eu/siacs/conversations/crypto/PgpEngine.java | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/src/main/java/eu/siacs/conversations/crypto/PgpEngine.java b/src/main/java/eu/siacs/conversations/crypto/PgpEngine.java deleted file mode 100644 index 3dc3fd34..00000000 --- a/src/main/java/eu/siacs/conversations/crypto/PgpEngine.java +++ /dev/null @@ -1,369 +0,0 @@ -package eu.siacs.conversations.crypto; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.FileInputStream; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; -import java.net.URL; - -import org.openintents.openpgp.OpenPgpSignatureResult; -import org.openintents.openpgp.util.OpenPgpApi; -import org.openintents.openpgp.util.OpenPgpApi.IOpenPgpCallback; - -import de.tzur.conversations.Settings; -import eu.siacs.conversations.R; -import eu.siacs.conversations.entities.Account; -import eu.siacs.conversations.entities.Contact; -import eu.siacs.conversations.entities.Conversation; -import eu.siacs.conversations.entities.DownloadableFile; -import eu.siacs.conversations.entities.Message; -import eu.siacs.conversations.http.HttpConnectionManager; -import eu.siacs.conversations.services.XmppConnectionService; -import eu.siacs.conversations.ui.UiCallback; -import android.app.PendingIntent; -import android.content.Intent; -import android.net.Uri; - -public class PgpEngine { - private OpenPgpApi api; - private XmppConnectionService mXmppConnectionService; - - public PgpEngine(OpenPgpApi api, XmppConnectionService service) { - this.api = api; - this.mXmppConnectionService = service; - } - - public void decrypt(final Message message, - final UiCallback<Message> callback) { - Intent params = new Intent(); - params.setAction(OpenPgpApi.ACTION_DECRYPT_VERIFY); - params.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, message - .getConversation().getAccount().getJid().toBareJid().toString()); - if (message.getType() == Message.TYPE_TEXT) { - InputStream is = new ByteArrayInputStream(message.getBody() - .getBytes()); - final OutputStream os = new ByteArrayOutputStream(); - api.executeApiAsync(params, is, os, new IOpenPgpCallback() { - - @Override - public void onReturn(Intent result) { - switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, - OpenPgpApi.RESULT_CODE_ERROR)) { - case OpenPgpApi.RESULT_CODE_SUCCESS: - try { - os.flush(); - if (message.getEncryption() == Message.ENCRYPTION_PGP) { - message.setBody(os.toString()); - message.setEncryption(Message.ENCRYPTION_DECRYPTED); - final HttpConnectionManager manager = mXmppConnectionService.getHttpConnectionManager(); - if (message.trusted() - && Settings.DOWNLOAD_IMAGE_LINKS - && mXmppConnectionService.isDownloadAllowedInConnection() - && message.bodyContainsDownloadable() - && manager.getAutoAcceptFileSize() > 0) { - manager.createNewConnection(message); - } - callback.success(message); - } - } catch (IOException e) { - callback.error(R.string.openpgp_error, message); - return; - } - - return; - case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: - callback.userInputRequried((PendingIntent) result - .getParcelableExtra(OpenPgpApi.RESULT_INTENT), - message); - return; - case OpenPgpApi.RESULT_CODE_ERROR: - callback.error(R.string.openpgp_error, message); - } - } - }); - } else if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE) { - try { - final DownloadableFile inputFile = this.mXmppConnectionService - .getFileBackend().getFile(message, false); - final DownloadableFile outputFile = this.mXmppConnectionService - .getFileBackend().getFile(message, true); - outputFile.getParentFile().mkdirs(); - outputFile.createNewFile(); - InputStream is = new FileInputStream(inputFile); - OutputStream os = new FileOutputStream(outputFile); - api.executeApiAsync(params, is, os, new IOpenPgpCallback() { - - @Override - public void onReturn(Intent result) { - switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, - OpenPgpApi.RESULT_CODE_ERROR)) { - case OpenPgpApi.RESULT_CODE_SUCCESS: - URL url = message.getImageParams().url; - mXmppConnectionService.getFileBackend().updateFileParams(message,url); - message.setEncryption(Message.ENCRYPTION_DECRYPTED); - PgpEngine.this.mXmppConnectionService - .updateMessage(message); - inputFile.delete(); - Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE); - intent.setData(Uri.fromFile(outputFile)); - mXmppConnectionService.sendBroadcast(intent); - callback.success(message); - return; - case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: - callback.userInputRequried( - (PendingIntent) result - .getParcelableExtra(OpenPgpApi.RESULT_INTENT), - message); - return; - case OpenPgpApi.RESULT_CODE_ERROR: - callback.error(R.string.openpgp_error, message); - } - } - }); - } catch (final IOException e) { - callback.error(R.string.error_decrypting_file, message); - } - - } - } - - public void encrypt(final Message message, - final UiCallback<Message> callback) { - - Intent params = new Intent(); - params.setAction(OpenPgpApi.ACTION_ENCRYPT); - if (message.getConversation().getMode() == Conversation.MODE_SINGLE) { - long[] keys = { message.getConversation().getContact() - .getPgpKeyId() }; - params.putExtra(OpenPgpApi.EXTRA_KEY_IDS, keys); - } else { - params.putExtra(OpenPgpApi.EXTRA_KEY_IDS, message.getConversation() - .getMucOptions().getPgpKeyIds()); - } - params.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, message - .getConversation().getAccount().getJid().toBareJid().toString()); - - if (message.getType() == Message.TYPE_TEXT) { - params.putExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true); - - InputStream is = new ByteArrayInputStream(message.getBody() - .getBytes()); - final OutputStream os = new ByteArrayOutputStream(); - api.executeApiAsync(params, is, os, new IOpenPgpCallback() { - - @Override - public void onReturn(Intent result) { - switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, - OpenPgpApi.RESULT_CODE_ERROR)) { - case OpenPgpApi.RESULT_CODE_SUCCESS: - try { - os.flush(); - StringBuilder encryptedMessageBody = new StringBuilder(); - String[] lines = os.toString().split("\n"); - for (int i = 2; i < lines.length - 1; ++i) { - if (!lines[i].contains("Version")) { - encryptedMessageBody.append(lines[i]); - } - } - message.setEncryptedBody(encryptedMessageBody - .toString()); - callback.success(message); - } catch (IOException e) { - callback.error(R.string.openpgp_error, message); - } - - break; - case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: - callback.userInputRequried((PendingIntent) result - .getParcelableExtra(OpenPgpApi.RESULT_INTENT), - message); - break; - case OpenPgpApi.RESULT_CODE_ERROR: - callback.error(R.string.openpgp_error, message); - break; - } - } - }); - } else if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE) { - try { - DownloadableFile inputFile = this.mXmppConnectionService - .getFileBackend().getFile(message, true); - DownloadableFile outputFile = this.mXmppConnectionService - .getFileBackend().getFile(message, false); - outputFile.getParentFile().mkdirs(); - outputFile.createNewFile(); - InputStream is = new FileInputStream(inputFile); - OutputStream os = new FileOutputStream(outputFile); - api.executeApiAsync(params, is, os, new IOpenPgpCallback() { - - @Override - public void onReturn(Intent result) { - switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, - OpenPgpApi.RESULT_CODE_ERROR)) { - case OpenPgpApi.RESULT_CODE_SUCCESS: - callback.success(message); - break; - case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: - callback.userInputRequried( - (PendingIntent) result - .getParcelableExtra(OpenPgpApi.RESULT_INTENT), - message); - break; - case OpenPgpApi.RESULT_CODE_ERROR: - callback.error(R.string.openpgp_error, message); - break; - } - } - }); - } catch (final IOException e) { - callback.error(R.string.openpgp_error, message); - } - } - } - - public long fetchKeyId(Account account, String status, String signature) { - if ((signature == null) || (api == null)) { - return 0; - } - if (status == null) { - status = ""; - } - final StringBuilder pgpSig = new StringBuilder(); - pgpSig.append("-----BEGIN PGP SIGNED MESSAGE-----"); - pgpSig.append('\n'); - pgpSig.append('\n'); - pgpSig.append(status); - pgpSig.append('\n'); - pgpSig.append("-----BEGIN PGP SIGNATURE-----"); - pgpSig.append('\n'); - pgpSig.append('\n'); - pgpSig.append(signature.replace("\n", "").trim()); - pgpSig.append('\n'); - pgpSig.append("-----END PGP SIGNATURE-----"); - Intent params = new Intent(); - params.setAction(OpenPgpApi.ACTION_DECRYPT_VERIFY); - params.putExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true); - params.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, account.getJid().toBareJid().toString()); - InputStream is = new ByteArrayInputStream(pgpSig.toString().getBytes()); - ByteArrayOutputStream os = new ByteArrayOutputStream(); - Intent result = api.executeApi(params, is, os); - switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, - OpenPgpApi.RESULT_CODE_ERROR)) { - case OpenPgpApi.RESULT_CODE_SUCCESS: - OpenPgpSignatureResult sigResult = result - .getParcelableExtra(OpenPgpApi.RESULT_SIGNATURE); - if (sigResult != null) { - return sigResult.getKeyId(); - } else { - return 0; - } - case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: - return 0; - case OpenPgpApi.RESULT_CODE_ERROR: - return 0; - } - return 0; - } - - public void generateSignature(final Account account, String status, - final UiCallback<Account> callback) { - Intent params = new Intent(); - params.putExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true); - params.setAction(OpenPgpApi.ACTION_SIGN); - params.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, account.getJid().toBareJid().toString()); - InputStream is = new ByteArrayInputStream(status.getBytes()); - final OutputStream os = new ByteArrayOutputStream(); - api.executeApiAsync(params, is, os, new IOpenPgpCallback() { - - @Override - public void onReturn(Intent result) { - switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, 0)) { - case OpenPgpApi.RESULT_CODE_SUCCESS: - StringBuilder signatureBuilder = new StringBuilder(); - try { - os.flush(); - String[] lines = os.toString().split("\n"); - boolean sig = false; - for (String line : lines) { - if (sig) { - if (line.contains("END PGP SIGNATURE")) { - sig = false; - } else { - if (!line.contains("Version")) { - signatureBuilder.append(line.trim()); - } - } - } - if (line.contains("BEGIN PGP SIGNATURE")) { - sig = true; - } - } - } catch (IOException e) { - callback.error(R.string.openpgp_error, account); - return; - } - account.setKey("pgp_signature", signatureBuilder.toString()); - callback.success(account); - return; - case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: - callback.userInputRequried((PendingIntent) result - .getParcelableExtra(OpenPgpApi.RESULT_INTENT), - account); - return; - case OpenPgpApi.RESULT_CODE_ERROR: - callback.error(R.string.openpgp_error, account); - } - } - }); - } - - public void hasKey(final Contact contact, final UiCallback<Contact> callback) { - Intent params = new Intent(); - params.setAction(OpenPgpApi.ACTION_GET_KEY); - params.putExtra(OpenPgpApi.EXTRA_KEY_ID, contact.getPgpKeyId()); - params.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, contact.getAccount() - .getJid().toBareJid().toString()); - api.executeApiAsync(params, null, null, new IOpenPgpCallback() { - - @Override - public void onReturn(Intent result) { - switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, 0)) { - case OpenPgpApi.RESULT_CODE_SUCCESS: - callback.success(contact); - return; - case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: - callback.userInputRequried((PendingIntent) result - .getParcelableExtra(OpenPgpApi.RESULT_INTENT), - contact); - return; - case OpenPgpApi.RESULT_CODE_ERROR: - callback.error(R.string.openpgp_error, contact); - } - } - }); - } - - public PendingIntent getIntentForKey(Contact contact) { - Intent params = new Intent(); - params.setAction(OpenPgpApi.ACTION_GET_KEY); - params.putExtra(OpenPgpApi.EXTRA_KEY_ID, contact.getPgpKeyId()); - params.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, contact.getAccount() - .getJid().toBareJid().toString()); - Intent result = api.executeApi(params, null, null); - return (PendingIntent) result - .getParcelableExtra(OpenPgpApi.RESULT_INTENT); - } - - public PendingIntent getIntentForKey(Account account, long pgpKeyId) { - Intent params = new Intent(); - params.setAction(OpenPgpApi.ACTION_GET_KEY); - params.putExtra(OpenPgpApi.EXTRA_KEY_ID, pgpKeyId); - params.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, account.getJid().toBareJid().toString()); - Intent result = api.executeApi(params, null, null); - return (PendingIntent) result - .getParcelableExtra(OpenPgpApi.RESULT_INTENT); - } -} |