mirror of
https://github.com/moparisthebest/open-keychain
synced 2025-01-11 13:38:06 -05:00
Close FileDescriptors and input, output streams when possible
This commit is contained in:
Dominik Schürmann
parent
c4ef86b38a
commit
a346b58db7
@ -55,6 +55,7 @@ import org.sufficientlysecure.keychain.ui.ViewKeyActivity;
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import org.sufficientlysecure.keychain.util.InputData;
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import org.sufficientlysecure.keychain.util.Log;
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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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import java.util.ArrayList;
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@ -224,6 +225,8 @@ public class OpenPgpService extends RemoteService {
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private Intent signImpl(Intent data, ParcelFileDescriptor input,
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ParcelFileDescriptor output, AccountSettings accSettings,
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boolean cleartextSign) {
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InputStream is = null;
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OutputStream os = null;
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try {
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boolean asciiArmor = cleartextSign || data.getBooleanExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true);
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@ -243,96 +246,88 @@ public class OpenPgpService extends RemoteService {
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}
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// Get Input- and OutputStream from ParcelFileDescriptor
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InputStream is = new ParcelFileDescriptor.AutoCloseInputStream(input);
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OutputStream os = null;
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is = new ParcelFileDescriptor.AutoCloseInputStream(input);
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if (cleartextSign) {
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// output stream only needed for cleartext signatures,
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// detached signatures are returned as extra
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os = new ParcelFileDescriptor.AutoCloseOutputStream(output);
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}
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try {
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long inputLength = is.available();
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InputData inputData = new InputData(is, inputLength);
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long inputLength = is.available();
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InputData inputData = new InputData(is, inputLength);
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// Find the appropriate subkey to sign with
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long sigSubKeyId;
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// Find the appropriate subkey to sign with
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long sigSubKeyId;
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try {
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CachedPublicKeyRing signingRing =
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new ProviderHelper(this).getCachedPublicKeyRing(accSettings.getKeyId());
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sigSubKeyId = signingRing.getSecretSignId();
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} catch (PgpKeyNotFoundException e) {
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// secret key that is set for this account is deleted?
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// show account config again!
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return getCreateAccountIntent(data, getAccountName(data));
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}
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// get passphrase from cache, if key has "no" passphrase, this returns an empty String
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String passphrase;
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if (data.hasExtra(OpenPgpApi.EXTRA_PASSPHRASE)) {
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passphrase = data.getStringExtra(OpenPgpApi.EXTRA_PASSPHRASE);
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} else {
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try {
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CachedPublicKeyRing signingRing =
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new ProviderHelper(this).getCachedPublicKeyRing(accSettings.getKeyId());
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sigSubKeyId = signingRing.getSecretSignId();
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} catch (PgpKeyNotFoundException e) {
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// secret key that is set for this account is deleted?
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// show account config again!
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passphrase = PassphraseCacheService.getCachedPassphrase(getContext(),
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accSettings.getKeyId(), sigSubKeyId);
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} catch (PassphraseCacheService.KeyNotFoundException e) {
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// should happen earlier, but return again here if it happens
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return getCreateAccountIntent(data, getAccountName(data));
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}
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}
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if (passphrase == null) {
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// get PendingIntent for passphrase input, add it to given params and return to client
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return getPassphraseIntent(data, sigSubKeyId);
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}
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// get passphrase from cache, if key has "no" passphrase, this returns an empty String
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String passphrase;
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if (data.hasExtra(OpenPgpApi.EXTRA_PASSPHRASE)) {
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passphrase = data.getStringExtra(OpenPgpApi.EXTRA_PASSPHRASE);
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// sign-only
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PgpSignEncrypt.Builder builder = new PgpSignEncrypt.Builder(
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this, new ProviderHelper(getContext()), null,
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inputData, os
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);
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builder.setEnableAsciiArmorOutput(asciiArmor)
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.setCleartextSignature(cleartextSign)
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.setDetachedSignature(!cleartextSign)
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.setVersionHeader(PgpHelper.getVersionForHeader(this))
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.setSignatureHashAlgorithm(accSettings.getHashAlgorithm())
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.setSignatureMasterKeyId(accSettings.getKeyId())
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.setSignatureSubKeyId(sigSubKeyId)
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.setSignaturePassphrase(passphrase)
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.setNfcState(nfcSignedHash, nfcCreationDate);
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// execute PGP operation!
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SignEncryptResult pgpResult = builder.build().execute();
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if (pgpResult.isPending()) {
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if ((pgpResult.getResult() & SignEncryptResult.RESULT_PENDING_PASSPHRASE) ==
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SignEncryptResult.RESULT_PENDING_PASSPHRASE) {
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return getPassphraseIntent(data, pgpResult.getKeyIdPassphraseNeeded());
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} else if ((pgpResult.getResult() & SignEncryptResult.RESULT_PENDING_NFC) ==
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SignEncryptResult.RESULT_PENDING_NFC) {
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// return PendingIntent to execute NFC activity
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// pass through the signature creation timestamp to be used again on second execution
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// of PgpSignEncrypt when we have the signed hash!
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data.putExtra(OpenPgpApi.EXTRA_NFC_SIG_CREATION_TIMESTAMP, pgpResult.getNfcTimestamp().getTime());
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return getNfcSignIntent(data, pgpResult.getNfcKeyId(), pgpResult.getNfcPassphrase(), pgpResult.getNfcHash(), pgpResult.getNfcAlgo());
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} else {
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try {
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passphrase = PassphraseCacheService.getCachedPassphrase(getContext(),
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accSettings.getKeyId(), sigSubKeyId);
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} catch (PassphraseCacheService.KeyNotFoundException e) {
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// should happen earlier, but return again here if it happens
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return getCreateAccountIntent(data, getAccountName(data));
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}
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throw new PgpGeneralException(
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"Encountered unhandled type of pending action not supported by API!");
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}
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if (passphrase == null) {
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// get PendingIntent for passphrase input, add it to given params and return to client
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return getPassphraseIntent(data, sigSubKeyId);
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}
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// sign-only
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PgpSignEncrypt.Builder builder = new PgpSignEncrypt.Builder(
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this, new ProviderHelper(getContext()), null,
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inputData, os
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);
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builder.setEnableAsciiArmorOutput(asciiArmor)
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.setCleartextSignature(cleartextSign)
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.setDetachedSignature(!cleartextSign)
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.setVersionHeader(PgpHelper.getVersionForHeader(this))
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.setSignatureHashAlgorithm(accSettings.getHashAlgorithm())
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.setSignatureMasterKeyId(accSettings.getKeyId())
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.setSignatureSubKeyId(sigSubKeyId)
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.setSignaturePassphrase(passphrase)
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.setNfcState(nfcSignedHash, nfcCreationDate);
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// execute PGP operation!
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SignEncryptResult pgpResult = builder.build().execute();
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if (pgpResult.isPending()) {
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if ((pgpResult.getResult() & SignEncryptResult.RESULT_PENDING_PASSPHRASE) ==
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SignEncryptResult.RESULT_PENDING_PASSPHRASE) {
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return getPassphraseIntent(data, pgpResult.getKeyIdPassphraseNeeded());
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} else if ((pgpResult.getResult() & SignEncryptResult.RESULT_PENDING_NFC) ==
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SignEncryptResult.RESULT_PENDING_NFC) {
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// return PendingIntent to execute NFC activity
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// pass through the signature creation timestamp to be used again on second execution
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// of PgpSignEncrypt when we have the signed hash!
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data.putExtra(OpenPgpApi.EXTRA_NFC_SIG_CREATION_TIMESTAMP, pgpResult.getNfcTimestamp().getTime());
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return getNfcSignIntent(data, pgpResult.getNfcKeyId(), pgpResult.getNfcPassphrase(), pgpResult.getNfcHash(), pgpResult.getNfcAlgo());
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} else {
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throw new PgpGeneralException(
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"Encountered unhandled type of pending action not supported by API!");
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}
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} else if (pgpResult.success()) {
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Intent result = new Intent();
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if (!cleartextSign) {
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result.putExtra(OpenPgpApi.RESULT_DETACHED_SIGNATURE, pgpResult.getDetachedSignature());
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}
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result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_SUCCESS);
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return result;
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} else {
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LogEntryParcel errorMsg = pgpResult.getLog().getLast();
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throw new Exception(getString(errorMsg.mType.getMsgId()));
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}
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} finally {
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is.close();
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if (os != null) {
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os.close();
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} else if (pgpResult.success()) {
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Intent result = new Intent();
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if (!cleartextSign) {
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result.putExtra(OpenPgpApi.RESULT_DETACHED_SIGNATURE, pgpResult.getDetachedSignature());
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}
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result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_SUCCESS);
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return result;
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} else {
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LogEntryParcel errorMsg = pgpResult.getLog().getLast();
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throw new Exception(getString(errorMsg.mType.getMsgId()));
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}
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} catch (Exception e) {
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Log.d(Constants.TAG, "signImpl", e);
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@ -341,12 +336,29 @@ public class OpenPgpService extends RemoteService {
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new OpenPgpError(OpenPgpError.GENERIC_ERROR, e.getMessage()));
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result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR);
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return result;
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} finally {
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if (is != null) {
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try {
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is.close();
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} catch (IOException e) {
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Log.e(Constants.TAG, "IOException when closing InputStream", e);
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}
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}
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if (os != null) {
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try {
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os.close();
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} catch (IOException e) {
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Log.e(Constants.TAG, "IOException when closing OutputStream", e);
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}
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}
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}
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}
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private Intent encryptAndSignImpl(Intent data, ParcelFileDescriptor input,
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ParcelFileDescriptor output, AccountSettings accSettings,
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boolean sign) {
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InputStream is = null;
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OutputStream os = null;
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try {
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boolean asciiArmor = data.getBooleanExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true);
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String originalFilename = data.getStringExtra(OpenPgpApi.EXTRA_ORIGINAL_FILENAME);
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@ -372,96 +384,91 @@ public class OpenPgpService extends RemoteService {
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// build InputData and write into OutputStream
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// Get Input- and OutputStream from ParcelFileDescriptor
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InputStream is = new ParcelFileDescriptor.AutoCloseInputStream(input);
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OutputStream os = new ParcelFileDescriptor.AutoCloseOutputStream(output);
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try {
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long inputLength = is.available();
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InputData inputData = new InputData(is, inputLength);
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is = new ParcelFileDescriptor.AutoCloseInputStream(input);
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os = new ParcelFileDescriptor.AutoCloseOutputStream(output);
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PgpSignEncrypt.Builder builder = new PgpSignEncrypt.Builder(
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this, new ProviderHelper(getContext()), null, inputData, os
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);
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builder.setEnableAsciiArmorOutput(asciiArmor)
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.setVersionHeader(PgpHelper.getVersionForHeader(this))
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.setCompressionId(accSettings.getCompression())
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.setSymmetricEncryptionAlgorithm(accSettings.getEncryptionAlgorithm())
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.setEncryptionMasterKeyIds(keyIds)
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.setFailOnMissingEncryptionKeyIds(true)
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.setOriginalFilename(originalFilename)
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.setAdditionalEncryptId(accSettings.getKeyId()); // add acc key for encryption
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long inputLength = is.available();
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InputData inputData = new InputData(is, inputLength);
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if (sign) {
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PgpSignEncrypt.Builder builder = new PgpSignEncrypt.Builder(
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this, new ProviderHelper(getContext()), null, inputData, os
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);
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builder.setEnableAsciiArmorOutput(asciiArmor)
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.setVersionHeader(PgpHelper.getVersionForHeader(this))
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.setCompressionId(accSettings.getCompression())
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.setSymmetricEncryptionAlgorithm(accSettings.getEncryptionAlgorithm())
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.setEncryptionMasterKeyIds(keyIds)
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.setFailOnMissingEncryptionKeyIds(true)
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.setOriginalFilename(originalFilename)
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.setAdditionalEncryptId(accSettings.getKeyId()); // add acc key for encryption
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// Find the appropriate subkey to sign with
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long sigSubKeyId;
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try {
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CachedPublicKeyRing signingRing =
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new ProviderHelper(this).getCachedPublicKeyRing(accSettings.getKeyId());
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sigSubKeyId = signingRing.getSecretSignId();
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} catch (PgpKeyNotFoundException e) {
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// secret key that is set for this account is deleted?
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// show account config again!
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return getCreateAccountIntent(data, getAccountName(data));
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}
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if (sign) {
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String passphrase;
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if (data.hasExtra(OpenPgpApi.EXTRA_PASSPHRASE)) {
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passphrase = data.getStringExtra(OpenPgpApi.EXTRA_PASSPHRASE);
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} else {
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passphrase = PassphraseCacheService.getCachedPassphrase(getContext(),
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accSettings.getKeyId(), sigSubKeyId);
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}
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if (passphrase == null) {
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// get PendingIntent for passphrase input, add it to given params and return to client
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return getPassphraseIntent(data, sigSubKeyId);
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}
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byte[] nfcSignedHash = data.getByteArrayExtra(OpenPgpApi.EXTRA_NFC_SIGNED_HASH);
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// carefully: only set if timestamp exists
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Date nfcCreationDate = null;
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long nfcCreationTimestamp = data.getLongExtra(OpenPgpApi.EXTRA_NFC_SIG_CREATION_TIMESTAMP, -1);
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if (nfcCreationTimestamp != -1) {
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nfcCreationDate = new Date(nfcCreationTimestamp);
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}
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// sign and encrypt
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builder.setSignatureHashAlgorithm(accSettings.getHashAlgorithm())
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.setSignatureMasterKeyId(accSettings.getKeyId())
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.setSignatureSubKeyId(sigSubKeyId)
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.setSignaturePassphrase(passphrase)
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.setNfcState(nfcSignedHash, nfcCreationDate);
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// Find the appropriate subkey to sign with
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long sigSubKeyId;
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try {
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CachedPublicKeyRing signingRing =
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new ProviderHelper(this).getCachedPublicKeyRing(accSettings.getKeyId());
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sigSubKeyId = signingRing.getSecretSignId();
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} catch (PgpKeyNotFoundException e) {
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// secret key that is set for this account is deleted?
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// show account config again!
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return getCreateAccountIntent(data, getAccountName(data));
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}
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// execute PGP operation!
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SignEncryptResult pgpResult = builder.build().execute();
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if (pgpResult.isPending()) {
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if ((pgpResult.getResult() & SignEncryptResult.RESULT_PENDING_PASSPHRASE) ==
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SignEncryptResult.RESULT_PENDING_PASSPHRASE) {
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return getPassphraseIntent(data, pgpResult.getKeyIdPassphraseNeeded());
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} else if ((pgpResult.getResult() & SignEncryptResult.RESULT_PENDING_NFC) ==
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SignEncryptResult.RESULT_PENDING_NFC) {
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// return PendingIntent to execute NFC activity
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// pass through the signature creation timestamp to be used again on second execution
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// of PgpSignEncrypt when we have the signed hash!
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data.putExtra(OpenPgpApi.EXTRA_NFC_SIG_CREATION_TIMESTAMP, pgpResult.getNfcTimestamp().getTime());
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return getNfcSignIntent(data, pgpResult.getNfcKeyId(), pgpResult.getNfcPassphrase(), pgpResult.getNfcHash(), pgpResult.getNfcAlgo());
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} else {
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throw new PgpGeneralException(
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"Encountered unhandled type of pending action not supported by API!");
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}
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} else if (pgpResult.success()) {
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Intent result = new Intent();
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result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_SUCCESS);
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return result;
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String passphrase;
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if (data.hasExtra(OpenPgpApi.EXTRA_PASSPHRASE)) {
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passphrase = data.getStringExtra(OpenPgpApi.EXTRA_PASSPHRASE);
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} else {
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LogEntryParcel errorMsg = pgpResult.getLog().getLast();
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throw new Exception(getString(errorMsg.mType.getMsgId()));
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passphrase = PassphraseCacheService.getCachedPassphrase(getContext(),
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accSettings.getKeyId(), sigSubKeyId);
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}
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if (passphrase == null) {
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// get PendingIntent for passphrase input, add it to given params and return to client
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return getPassphraseIntent(data, sigSubKeyId);
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}
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} finally {
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is.close();
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os.close();
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byte[] nfcSignedHash = data.getByteArrayExtra(OpenPgpApi.EXTRA_NFC_SIGNED_HASH);
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// carefully: only set if timestamp exists
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Date nfcCreationDate = null;
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long nfcCreationTimestamp = data.getLongExtra(OpenPgpApi.EXTRA_NFC_SIG_CREATION_TIMESTAMP, -1);
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if (nfcCreationTimestamp != -1) {
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nfcCreationDate = new Date(nfcCreationTimestamp);
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}
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// sign and encrypt
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builder.setSignatureHashAlgorithm(accSettings.getHashAlgorithm())
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.setSignatureMasterKeyId(accSettings.getKeyId())
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.setSignatureSubKeyId(sigSubKeyId)
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.setSignaturePassphrase(passphrase)
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.setNfcState(nfcSignedHash, nfcCreationDate);
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}
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// execute PGP operation!
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SignEncryptResult pgpResult = builder.build().execute();
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if (pgpResult.isPending()) {
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if ((pgpResult.getResult() & SignEncryptResult.RESULT_PENDING_PASSPHRASE) ==
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SignEncryptResult.RESULT_PENDING_PASSPHRASE) {
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return getPassphraseIntent(data, pgpResult.getKeyIdPassphraseNeeded());
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} else if ((pgpResult.getResult() & SignEncryptResult.RESULT_PENDING_NFC) ==
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SignEncryptResult.RESULT_PENDING_NFC) {
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// return PendingIntent to execute NFC activity
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// pass through the signature creation timestamp to be used again on second execution
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// of PgpSignEncrypt when we have the signed hash!
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data.putExtra(OpenPgpApi.EXTRA_NFC_SIG_CREATION_TIMESTAMP, pgpResult.getNfcTimestamp().getTime());
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return getNfcSignIntent(data, pgpResult.getNfcKeyId(), pgpResult.getNfcPassphrase(), pgpResult.getNfcHash(), pgpResult.getNfcAlgo());
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} else {
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throw new PgpGeneralException(
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"Encountered unhandled type of pending action not supported by API!");
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}
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} else if (pgpResult.success()) {
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Intent result = new Intent();
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result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_SUCCESS);
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return result;
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} else {
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LogEntryParcel errorMsg = pgpResult.getLog().getLast();
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throw new Exception(getString(errorMsg.mType.getMsgId()));
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}
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} catch (Exception e) {
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Log.d(Constants.TAG, "encryptAndSignImpl", e);
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@ -470,17 +477,33 @@ public class OpenPgpService extends RemoteService {
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new OpenPgpError(OpenPgpError.GENERIC_ERROR, e.getMessage()));
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result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR);
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return result;
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} finally {
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if (is != null) {
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try {
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is.close();
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} catch (IOException e) {
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Log.e(Constants.TAG, "IOException when closing InputStream", e);
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}
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}
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if (os != null) {
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try {
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os.close();
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} catch (IOException e) {
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Log.e(Constants.TAG, "IOException when closing OutputStream", e);
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}
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}
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}
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}
|
||||
|
||||
private Intent decryptAndVerifyImpl(Intent data, ParcelFileDescriptor input,
|
||||
ParcelFileDescriptor output, Set<Long> allowedKeyIds,
|
||||
boolean decryptMetadataOnly) {
|
||||
InputStream is = null;
|
||||
OutputStream os = null;
|
||||
try {
|
||||
// Get Input- and OutputStream from ParcelFileDescriptor
|
||||
InputStream is = new ParcelFileDescriptor.AutoCloseInputStream(input);
|
||||
is = new ParcelFileDescriptor.AutoCloseInputStream(input);
|
||||
|
||||
OutputStream os;
|
||||
// output is optional, e.g., for verifying detached signatures
|
||||
if (decryptMetadataOnly || output == null) {
|
||||
os = null;
|
||||
@ -488,101 +511,95 @@ public class OpenPgpService extends RemoteService {
|
||||
os = new ParcelFileDescriptor.AutoCloseOutputStream(output);
|
||||
}
|
||||
|
||||
try {
|
||||
String passphrase = data.getStringExtra(OpenPgpApi.EXTRA_PASSPHRASE);
|
||||
long inputLength = is.available();
|
||||
InputData inputData = new InputData(is, inputLength);
|
||||
String passphrase = data.getStringExtra(OpenPgpApi.EXTRA_PASSPHRASE);
|
||||
long inputLength = is.available();
|
||||
InputData inputData = new InputData(is, inputLength);
|
||||
|
||||
PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(
|
||||
this, new ProviderHelper(getContext()), null, inputData, os
|
||||
);
|
||||
PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(
|
||||
this, new ProviderHelper(getContext()), null, inputData, os
|
||||
);
|
||||
|
||||
byte[] nfcDecryptedSessionKey = data.getByteArrayExtra(OpenPgpApi.EXTRA_NFC_DECRYPTED_SESSION_KEY);
|
||||
byte[] nfcDecryptedSessionKey = data.getByteArrayExtra(OpenPgpApi.EXTRA_NFC_DECRYPTED_SESSION_KEY);
|
||||
|
||||
byte[] detachedSignature = data.getByteArrayExtra(OpenPgpApi.EXTRA_DETACHED_SIGNATURE);
|
||||
byte[] detachedSignature = data.getByteArrayExtra(OpenPgpApi.EXTRA_DETACHED_SIGNATURE);
|
||||
|
||||
// allow only private keys associated with accounts of this app
|
||||
// no support for symmetric encryption
|
||||
builder.setPassphrase(passphrase)
|
||||
.setAllowSymmetricDecryption(false)
|
||||
.setAllowedKeyIds(allowedKeyIds)
|
||||
.setDecryptMetadataOnly(decryptMetadataOnly)
|
||||
.setNfcState(nfcDecryptedSessionKey)
|
||||
.setDetachedSignature(detachedSignature);
|
||||
// allow only private keys associated with accounts of this app
|
||||
// no support for symmetric encryption
|
||||
builder.setPassphrase(passphrase)
|
||||
.setAllowSymmetricDecryption(false)
|
||||
.setAllowedKeyIds(allowedKeyIds)
|
||||
.setDecryptMetadataOnly(decryptMetadataOnly)
|
||||
.setNfcState(nfcDecryptedSessionKey)
|
||||
.setDetachedSignature(detachedSignature);
|
||||
|
||||
DecryptVerifyResult pgpResult = builder.build().execute();
|
||||
DecryptVerifyResult pgpResult = builder.build().execute();
|
||||
|
||||
if (pgpResult.isPending()) {
|
||||
if ((pgpResult.getResult() & DecryptVerifyResult.RESULT_PENDING_ASYM_PASSPHRASE) ==
|
||||
DecryptVerifyResult.RESULT_PENDING_ASYM_PASSPHRASE) {
|
||||
return getPassphraseIntent(data, pgpResult.getKeyIdPassphraseNeeded());
|
||||
} else if ((pgpResult.getResult() & DecryptVerifyResult.RESULT_PENDING_SYM_PASSPHRASE) ==
|
||||
DecryptVerifyResult.RESULT_PENDING_SYM_PASSPHRASE) {
|
||||
throw new PgpGeneralException(
|
||||
"Decryption of symmetric content not supported by API!");
|
||||
} else if ((pgpResult.getResult() & DecryptVerifyResult.RESULT_PENDING_NFC) ==
|
||||
DecryptVerifyResult.RESULT_PENDING_NFC) {
|
||||
return getNfcDecryptIntent(
|
||||
data, pgpResult.getNfcSubKeyId(), pgpResult.getNfcPassphrase(), pgpResult.getNfcEncryptedSessionKey());
|
||||
} else {
|
||||
throw new PgpGeneralException(
|
||||
"Encountered unhandled type of pending action not supported by API!");
|
||||
}
|
||||
} else if (pgpResult.success()) {
|
||||
Intent result = new Intent();
|
||||
|
||||
OpenPgpSignatureResult signatureResult = pgpResult.getSignatureResult();
|
||||
if (signatureResult != null) {
|
||||
result.putExtra(OpenPgpApi.RESULT_SIGNATURE, signatureResult);
|
||||
|
||||
if (data.getIntExtra(OpenPgpApi.EXTRA_API_VERSION, -1) < 5) {
|
||||
// SIGNATURE_KEY_REVOKED and SIGNATURE_KEY_EXPIRED have been added in version 5
|
||||
if (signatureResult.getStatus() == OpenPgpSignatureResult.SIGNATURE_KEY_REVOKED
|
||||
|| signatureResult.getStatus() == OpenPgpSignatureResult.SIGNATURE_KEY_EXPIRED) {
|
||||
signatureResult.setStatus(OpenPgpSignatureResult.SIGNATURE_ERROR);
|
||||
}
|
||||
}
|
||||
|
||||
if (signatureResult.getStatus() == OpenPgpSignatureResult.SIGNATURE_KEY_MISSING) {
|
||||
// If signature is unknown we return an _additional_ PendingIntent
|
||||
// to retrieve the missing key
|
||||
Intent intent = new Intent(getBaseContext(), ImportKeysActivity.class);
|
||||
intent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_KEYSERVER_AND_RETURN_TO_SERVICE);
|
||||
intent.putExtra(ImportKeysActivity.EXTRA_KEY_ID, signatureResult.getKeyId());
|
||||
intent.putExtra(ImportKeysActivity.EXTRA_PENDING_INTENT_DATA, data);
|
||||
|
||||
PendingIntent pi = PendingIntent.getActivity(getBaseContext(), 0,
|
||||
intent,
|
||||
PendingIntent.FLAG_CANCEL_CURRENT);
|
||||
|
||||
result.putExtra(OpenPgpApi.RESULT_INTENT, pi);
|
||||
}
|
||||
}
|
||||
|
||||
if (data.getIntExtra(OpenPgpApi.EXTRA_API_VERSION, -1) >= 4) {
|
||||
OpenPgpMetadata metadata = pgpResult.getDecryptMetadata();
|
||||
if (metadata != null) {
|
||||
result.putExtra(OpenPgpApi.RESULT_METADATA, metadata);
|
||||
}
|
||||
}
|
||||
|
||||
String charset = pgpResult.getCharset();
|
||||
if (charset != null) {
|
||||
result.putExtra(OpenPgpApi.RESULT_CHARSET, charset);
|
||||
}
|
||||
|
||||
result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_SUCCESS);
|
||||
return result;
|
||||
if (pgpResult.isPending()) {
|
||||
if ((pgpResult.getResult() & DecryptVerifyResult.RESULT_PENDING_ASYM_PASSPHRASE) ==
|
||||
DecryptVerifyResult.RESULT_PENDING_ASYM_PASSPHRASE) {
|
||||
return getPassphraseIntent(data, pgpResult.getKeyIdPassphraseNeeded());
|
||||
} else if ((pgpResult.getResult() & DecryptVerifyResult.RESULT_PENDING_SYM_PASSPHRASE) ==
|
||||
DecryptVerifyResult.RESULT_PENDING_SYM_PASSPHRASE) {
|
||||
throw new PgpGeneralException(
|
||||
"Decryption of symmetric content not supported by API!");
|
||||
} else if ((pgpResult.getResult() & DecryptVerifyResult.RESULT_PENDING_NFC) ==
|
||||
DecryptVerifyResult.RESULT_PENDING_NFC) {
|
||||
return getNfcDecryptIntent(
|
||||
data, pgpResult.getNfcSubKeyId(), pgpResult.getNfcPassphrase(), pgpResult.getNfcEncryptedSessionKey());
|
||||
} else {
|
||||
LogEntryParcel errorMsg = pgpResult.getLog().getLast();
|
||||
throw new Exception(getString(errorMsg.mType.getMsgId()));
|
||||
throw new PgpGeneralException(
|
||||
"Encountered unhandled type of pending action not supported by API!");
|
||||
}
|
||||
} finally {
|
||||
is.close();
|
||||
if (os != null) {
|
||||
os.close();
|
||||
} else if (pgpResult.success()) {
|
||||
Intent result = new Intent();
|
||||
|
||||
OpenPgpSignatureResult signatureResult = pgpResult.getSignatureResult();
|
||||
if (signatureResult != null) {
|
||||
result.putExtra(OpenPgpApi.RESULT_SIGNATURE, signatureResult);
|
||||
|
||||
if (data.getIntExtra(OpenPgpApi.EXTRA_API_VERSION, -1) < 5) {
|
||||
// SIGNATURE_KEY_REVOKED and SIGNATURE_KEY_EXPIRED have been added in version 5
|
||||
if (signatureResult.getStatus() == OpenPgpSignatureResult.SIGNATURE_KEY_REVOKED
|
||||
|| signatureResult.getStatus() == OpenPgpSignatureResult.SIGNATURE_KEY_EXPIRED) {
|
||||
signatureResult.setStatus(OpenPgpSignatureResult.SIGNATURE_ERROR);
|
||||
}
|
||||
}
|
||||
|
||||
if (signatureResult.getStatus() == OpenPgpSignatureResult.SIGNATURE_KEY_MISSING) {
|
||||
// If signature is unknown we return an _additional_ PendingIntent
|
||||
// to retrieve the missing key
|
||||
Intent intent = new Intent(getBaseContext(), ImportKeysActivity.class);
|
||||
intent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_KEYSERVER_AND_RETURN_TO_SERVICE);
|
||||
intent.putExtra(ImportKeysActivity.EXTRA_KEY_ID, signatureResult.getKeyId());
|
||||
intent.putExtra(ImportKeysActivity.EXTRA_PENDING_INTENT_DATA, data);
|
||||
|
||||
PendingIntent pi = PendingIntent.getActivity(getBaseContext(), 0,
|
||||
intent,
|
||||
PendingIntent.FLAG_CANCEL_CURRENT);
|
||||
|
||||
result.putExtra(OpenPgpApi.RESULT_INTENT, pi);
|
||||
}
|
||||
}
|
||||
|
||||
if (data.getIntExtra(OpenPgpApi.EXTRA_API_VERSION, -1) >= 4) {
|
||||
OpenPgpMetadata metadata = pgpResult.getDecryptMetadata();
|
||||
if (metadata != null) {
|
||||
result.putExtra(OpenPgpApi.RESULT_METADATA, metadata);
|
||||
}
|
||||
}
|
||||
|
||||
String charset = pgpResult.getCharset();
|
||||
if (charset != null) {
|
||||
result.putExtra(OpenPgpApi.RESULT_CHARSET, charset);
|
||||
}
|
||||
|
||||
result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_SUCCESS);
|
||||
return result;
|
||||
} else {
|
||||
LogEntryParcel errorMsg = pgpResult.getLog().getLast();
|
||||
throw new Exception(getString(errorMsg.mType.getMsgId()));
|
||||
}
|
||||
|
||||
} catch (Exception e) {
|
||||
Log.d(Constants.TAG, "decryptAndVerifyImpl", e);
|
||||
Intent result = new Intent();
|
||||
@ -590,6 +607,21 @@ public class OpenPgpService extends RemoteService {
|
||||
new OpenPgpError(OpenPgpError.GENERIC_ERROR, e.getMessage()));
|
||||
result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR);
|
||||
return result;
|
||||
} finally {
|
||||
if (is != null) {
|
||||
try {
|
||||
is.close();
|
||||
} catch (IOException e) {
|
||||
Log.e(Constants.TAG, "IOException when closing InputStream", e);
|
||||
}
|
||||
}
|
||||
if (os != null) {
|
||||
try {
|
||||
os.close();
|
||||
} catch (IOException e) {
|
||||
Log.e(Constants.TAG, "IOException when closing OutputStream", e);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -720,48 +752,66 @@ public class OpenPgpService extends RemoteService {
|
||||
|
||||
@Override
|
||||
public Intent execute(Intent data, ParcelFileDescriptor input, ParcelFileDescriptor output) {
|
||||
Intent errorResult = checkRequirements(data);
|
||||
if (errorResult != null) {
|
||||
return errorResult;
|
||||
}
|
||||
try {
|
||||
Intent errorResult = checkRequirements(data);
|
||||
if (errorResult != null) {
|
||||
return errorResult;
|
||||
}
|
||||
|
||||
String accName = getAccountName(data);
|
||||
final AccountSettings accSettings = getAccSettings(accName);
|
||||
if (accSettings == null) {
|
||||
return getCreateAccountIntent(data, accName);
|
||||
}
|
||||
String accName = getAccountName(data);
|
||||
final AccountSettings accSettings = getAccSettings(accName);
|
||||
if (accSettings == null) {
|
||||
return getCreateAccountIntent(data, accName);
|
||||
}
|
||||
|
||||
String action = data.getAction();
|
||||
if (OpenPgpApi.ACTION_CLEARTEXT_SIGN.equals(action)) {
|
||||
return signImpl(data, input, output, accSettings, true);
|
||||
} else if (OpenPgpApi.ACTION_SIGN.equals(action)) {
|
||||
// DEPRECATED: same as ACTION_CLEARTEXT_SIGN
|
||||
Log.w(Constants.TAG, "You are using a deprecated API call, please use ACTION_CLEARTEXT_SIGN instead of ACTION_SIGN!");
|
||||
return signImpl(data, input, output, accSettings, true);
|
||||
} else if (OpenPgpApi.ACTION_DETACHED_SIGN.equals(action)) {
|
||||
return signImpl(data, input, output, accSettings, false);
|
||||
} else if (OpenPgpApi.ACTION_ENCRYPT.equals(action)) {
|
||||
return encryptAndSignImpl(data, input, output, accSettings, false);
|
||||
} else if (OpenPgpApi.ACTION_SIGN_AND_ENCRYPT.equals(action)) {
|
||||
return encryptAndSignImpl(data, input, output, accSettings, true);
|
||||
} else if (OpenPgpApi.ACTION_DECRYPT_VERIFY.equals(action)) {
|
||||
String currentPkg = getCurrentCallingPackage();
|
||||
Set<Long> allowedKeyIds =
|
||||
mProviderHelper.getAllKeyIdsForApp(
|
||||
ApiAccounts.buildBaseUri(currentPkg));
|
||||
return decryptAndVerifyImpl(data, input, output, allowedKeyIds, false);
|
||||
} else if (OpenPgpApi.ACTION_DECRYPT_METADATA.equals(action)) {
|
||||
String currentPkg = getCurrentCallingPackage();
|
||||
Set<Long> allowedKeyIds =
|
||||
mProviderHelper.getAllKeyIdsForApp(
|
||||
ApiAccounts.buildBaseUri(currentPkg));
|
||||
return decryptAndVerifyImpl(data, input, output, allowedKeyIds, true);
|
||||
} else if (OpenPgpApi.ACTION_GET_KEY.equals(action)) {
|
||||
return getKeyImpl(data);
|
||||
} else if (OpenPgpApi.ACTION_GET_KEY_IDS.equals(action)) {
|
||||
return getKeyIdsImpl(data);
|
||||
} else {
|
||||
return null;
|
||||
String action = data.getAction();
|
||||
if (OpenPgpApi.ACTION_CLEARTEXT_SIGN.equals(action)) {
|
||||
return signImpl(data, input, output, accSettings, true);
|
||||
} else if (OpenPgpApi.ACTION_SIGN.equals(action)) {
|
||||
// DEPRECATED: same as ACTION_CLEARTEXT_SIGN
|
||||
Log.w(Constants.TAG, "You are using a deprecated API call, please use ACTION_CLEARTEXT_SIGN instead of ACTION_SIGN!");
|
||||
return signImpl(data, input, output, accSettings, true);
|
||||
} else if (OpenPgpApi.ACTION_DETACHED_SIGN.equals(action)) {
|
||||
return signImpl(data, input, output, accSettings, false);
|
||||
} else if (OpenPgpApi.ACTION_ENCRYPT.equals(action)) {
|
||||
return encryptAndSignImpl(data, input, output, accSettings, false);
|
||||
} else if (OpenPgpApi.ACTION_SIGN_AND_ENCRYPT.equals(action)) {
|
||||
return encryptAndSignImpl(data, input, output, accSettings, true);
|
||||
} else if (OpenPgpApi.ACTION_DECRYPT_VERIFY.equals(action)) {
|
||||
String currentPkg = getCurrentCallingPackage();
|
||||
Set<Long> allowedKeyIds =
|
||||
mProviderHelper.getAllKeyIdsForApp(
|
||||
ApiAccounts.buildBaseUri(currentPkg));
|
||||
return decryptAndVerifyImpl(data, input, output, allowedKeyIds, false);
|
||||
} else if (OpenPgpApi.ACTION_DECRYPT_METADATA.equals(action)) {
|
||||
String currentPkg = getCurrentCallingPackage();
|
||||
Set<Long> allowedKeyIds =
|
||||
mProviderHelper.getAllKeyIdsForApp(
|
||||
ApiAccounts.buildBaseUri(currentPkg));
|
||||
return decryptAndVerifyImpl(data, input, output, allowedKeyIds, true);
|
||||
} else if (OpenPgpApi.ACTION_GET_KEY.equals(action)) {
|
||||
return getKeyImpl(data);
|
||||
} else if (OpenPgpApi.ACTION_GET_KEY_IDS.equals(action)) {
|
||||
return getKeyIdsImpl(data);
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
} finally {
|
||||
// always close input and output file descriptors even in error cases
|
||||
if (input != null) {
|
||||
try {
|
||||
input.close();
|
||||
} catch (IOException e) {
|
||||
Log.e(Constants.TAG, "IOException when closing input ParcelFileDescriptor", e);
|
||||
}
|
||||
}
|
||||
if (output != null) {
|
||||
try {
|
||||
output.close();
|
||||
} catch (IOException e) {
|
||||
Log.e(Constants.TAG, "IOException when closing output ParcelFileDescriptor", e);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user