Example usage for android.util Base64 decode

Introduction

In this page you can find the example usage for android.util Base64 decode.

Prototype

public static byte[] decode(byte[] input, int flags) 

Source Link

Document

Decode the Base64-encoded data in input and return the data in a new byte array.

Usage

From source file:com.jrummyapps.android.safetynet.SafetyNetHelper.java

/**
 * Parse the JSON Web Signature (JWS) response from the {@link SafetyNet} response.
 *
 * @param jws/*from   w w w  .j a  v a 2s  . co m*/
 *     The output of {@link SafetyNetApi.AttestationResult#getJwsResult()}.
 * @return The {@link SafetyNetResponse}.
 * @throws SafetyNetError
 *     If an error occurs while parsing the JWS.
 */
public static SafetyNetResponse getSafetyNetResponseFromJws(@NonNull String jws) throws SafetyNetError {
    try {
        String[] parts = jws.split("\\.");

        HashMap<String, Object> header = new HashMap<>();

        try {
            JSONObject json = new JSONObject(new String(Base64.decode(parts[0], Base64.DEFAULT)));
            for (Iterator<String> iterator = json.keys(); iterator.hasNext();) {
                String key = iterator.next();
                header.put(key, json.get(key));
            }
        } catch (Exception ignored) {
        }

        JSONObject json = new JSONObject(new String(Base64.decode(parts[1], Base64.DEFAULT)));
        String nonce = json.optString("nonce");
        long timestampMs = json.optLong("timestampMs");
        String apkPackageName = json.optString("apkPackageName");

        JSONArray jsonArray = json.optJSONArray("apkCertificateDigestSha256");
        String[] apkCertificateDigestSha256 = null;
        if (jsonArray != null) {
            int length = jsonArray.length();
            apkCertificateDigestSha256 = new String[length];
            for (int i = 0; i < length; i++) {
                apkCertificateDigestSha256[i] = jsonArray.getString(i);
            }
        }

        String apkDigestSha256 = json.optString("apkDigestSha256");
        boolean ctsProfileMatch = json.optBoolean("ctsProfileMatch");
        String signature = parts[2];

        return new SafetyNetResponse(jws, header, nonce, timestampMs, apkPackageName,
                apkCertificateDigestSha256, apkDigestSha256, ctsProfileMatch, signature);

    } catch (Exception e) {
        throw new SafetyNetError(e);
    }
}

---

From source file:com.mi.xserv.Xserv.java

private void manageMessage(String event) {
    JSONObject json = null;//from w  ww . j a  v  a  2  s .  c  om
    try {
        json = new JSONObject(event);
    } catch (JSONException ignored) {
    }

    if (json != null) {
        int op = 0;
        try {
            op = json.getInt("op");
        } catch (JSONException ignored) {
        }

        if (op == 0) {
            // messages

            onReceiveMessages(json);
        } else if (op > 0) {
            // operations

            try {
                String data = json.getString("data");
                byte[] b = Base64.decode(data, Base64.DEFAULT);
                json.put("data", new String(b, "UTF-8")); // string
            } catch (JSONException | UnsupportedEncodingException ignored) {
            }

            JSONObject json_data = null;
            try {
                String data = json.getString("data");
                Object type = new JSONTokener(data).nextValue();
                if (type instanceof JSONObject) {
                    json_data = new JSONObject(data);

                    json.put("data", json_data);
                } else if (type instanceof JSONArray) {
                    json.put("data", new JSONArray(data));
                }
            } catch (JSONException ignored) {
            }

            try {
                json.put("name", stringifyOp(op));
            } catch (JSONException ignored) {
            }

            int rc = 0;
            String uuid = "";
            String topic = "";
            String descr = "";
            try {
                rc = json.getInt("rc");
                uuid = json.getString("uuid");
                topic = json.getString("topic");
                descr = json.getString("descr");
            } catch (JSONException ignored) {
            }

            if (op == OP_HANDSHAKE) {
                // handshake

                if (rc == RC_OK) {
                    if (json_data != null) {
                        setUserData(json_data);

                        isConnected = true;

                        onOpenConnection();
                    } else {
                        mCallbacks.clear();

                        onErrorConnection(new Exception(descr));
                    }
                } else {
                    mCallbacks.clear();

                    onErrorConnection(new Exception(descr));
                }
            } else {
                // classic operations

                if (op == OP_SUBSCRIBE && isPrivateTopic(topic) && rc == RC_OK) {
                    if (json_data != null) {
                        setUserData(json_data);
                    }
                }

                if (mCallbacks.get(uuid) != null) {
                    mCallbacks.get(uuid).onCompletion(json);
                    mCallbacks.remove(uuid);
                } else {
                    OnReceiveOperations(json);
                }
            }
        }
    }
}

---

From source file:com.lillicoder.newsblurry.net.PreferenceCookieStore.java

/**
 * Decodes the given base-64 cookie string and returns a
 * {@link Cookie} representing that data.
 * @param encodedCookie Base-64 encoded string of a stored {@link Cookie}.
 * @return {@link Cookie} decoded from the given base-64 encoded cookie string.
 *///from   w  ww.j  av  a2  s. com
private Cookie decodeCookie(String encodedCookie) {
    Assert.assertTrue(encodedCookie != null);

    byte[] rawData = Base64.decode(encodedCookie, Base64.DEFAULT);
    ByteArrayInputStream in = new ByteArrayInputStream(rawData);

    Cookie cookie = null;
    try {
        ObjectInputStream inStream = new ObjectInputStream(in);
        SerializableCookie serializableCookie = (SerializableCookie) inStream.readObject();
        if (serializableCookie != null)
            cookie = serializableCookie.getCookie();
    } catch (ClassNotFoundException e) {
        Log.w(TAG, WARNING_FAILED_TO_FIND_SERIALIZABLE_COOKIE_CLASS);
    } catch (IOException e) {
        Log.w(TAG, WARNING_FAILED_TO_READ_COOKIE_FROM_STREAM);
    }

    return cookie;
}

---

From source file:org.wso2.emm.agent.utils.CommonUtils.java

/**
 * Generates keys, CSR and certificates for the devices.
 * @param context - Application context.
 * @param listener - DeviceCertCreationListener which provide device .
 *///from w  w w.  ja  v  a2s .  com
public static void generateDeviceCertificate(final Context context, final DeviceCertCreationListener listener)
        throws AndroidAgentException {

    if (context.getFileStreamPath(Constants.DEVICE_CERTIFCATE_NAME).exists()) {
        try {
            listener.onDeviceCertCreated(
                    new BufferedInputStream(context.openFileInput(Constants.DEVICE_CERTIFCATE_NAME)));
        } catch (FileNotFoundException e) {
            Log.e(TAG, e.getMessage());
        }
    } else {

        try {
            ServerConfig utils = new ServerConfig();
            final KeyPair deviceKeyPair = KeyPairGenerator.getInstance(Constants.DEVICE_KEY_TYPE)
                    .generateKeyPair();
            X500Principal subject = new X500Principal(Constants.DEVICE_CSR_INFO);
            PKCS10CertificationRequest csr = new PKCS10CertificationRequest(Constants.DEVICE_KEY_ALGO, subject,
                    deviceKeyPair.getPublic(), null, deviceKeyPair.getPrivate());

            EndPointInfo endPointInfo = new EndPointInfo();
            endPointInfo.setHttpMethod(org.wso2.emm.agent.proxy.utils.Constants.HTTP_METHODS.POST);
            endPointInfo.setEndPoint(utils.getAPIServerURL(context) + Constants.SCEP_ENDPOINT);
            endPointInfo.setRequestParams(Base64.encodeToString(csr.getEncoded(), Base64.DEFAULT));

            new APIController().invokeAPI(endPointInfo, new APIResultCallBack() {
                @Override
                public void onReceiveAPIResult(Map<String, String> result, int requestCode) {
                    try {
                        CertificateFactory certFactory = CertificateFactory.getInstance("X.509");
                        InputStream in = new ByteArrayInputStream(
                                Base64.decode(result.get("response"), Base64.DEFAULT));
                        X509Certificate cert = (X509Certificate) certFactory.generateCertificate(in);
                        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
                        KeyStore keyStore = KeyStore.getInstance("PKCS12");
                        keyStore.load(null);
                        keyStore.setKeyEntry(Constants.DEVICE_CERTIFCATE_ALIAS,
                                (Key) deviceKeyPair.getPrivate(),
                                Constants.DEVICE_CERTIFCATE_PASSWORD.toCharArray(),
                                new java.security.cert.Certificate[] { cert });
                        keyStore.store(byteArrayOutputStream,
                                Constants.DEVICE_CERTIFCATE_PASSWORD.toCharArray());
                        FileOutputStream outputStream = context.openFileOutput(Constants.DEVICE_CERTIFCATE_NAME,
                                Context.MODE_PRIVATE);
                        outputStream.write(byteArrayOutputStream.toByteArray());
                        byteArrayOutputStream.close();
                        outputStream.close();
                        try {
                            listener.onDeviceCertCreated(new BufferedInputStream(
                                    context.openFileInput(Constants.DEVICE_CERTIFCATE_NAME)));
                        } catch (FileNotFoundException e) {
                            Log.e(TAG, e.getMessage());
                        }
                    } catch (CertificateException e) {
                        Log.e(TAG, e.getMessage());
                    } catch (KeyStoreException e) {
                        e.printStackTrace();
                    } catch (NoSuchAlgorithmException e) {
                        e.printStackTrace();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }, Constants.SCEP_REQUEST_CODE, context, true);

        } catch (NoSuchAlgorithmException e) {
            throw new AndroidAgentException("No algorithm for key generation", e);
        } catch (SignatureException e) {
            throw new AndroidAgentException("Invalid Signature", e);
        } catch (NoSuchProviderException e) {
            throw new AndroidAgentException("Invalid provider", e);
        } catch (InvalidKeyException e) {
            throw new AndroidAgentException("Invalid key", e);
        }

    }

}

---

From source file:com.youku.player.service.GetVideoUrlServiceYouku.java

/**
 * ??Url??VideoUrlInfo???//  w w  w.  ja  va  2 s  . c  o m
 * 
 * @param mResult
 *            ?VideoUrlInfo msg???
 * 
 * @return 
 * 
 * */
public void setVideoUrlInfo(VideoUrlInfo mResult) {
    try {

        JSONObject json = new JSONObject(VideoInfoReasult.getResponseString());
        String data = json.getString("data");
        byte[] bytes = Base64.decode(data.getBytes(), Base64.DEFAULT);
        String decrypt = new String(PlayerUtil.decrypt(bytes, "qwer3as2jin4fdsa"));
        JSONObject object = new JSONObject(decrypt);
        // ?Url???
        Logger.d(LogTag.TAG_PLAYER, "??? setVideoUrlInfo");
        setVideoUrlInfoFromJson(object);
    } catch (JSONException e) {
        Logger.e(LogTag.TAG_PLAYER, "??? setVideoUrlInfo ", e);
    }
}

---

From source file:com.charabia.SmsViewActivity.java

@Override
public void onResume() {
    super.onResume();

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    prefPhoneNumber = prefs.getString(PreferencesActivity.PHONE_NUMBER, null);
    if (prefPhoneNumber == null || prefPhoneNumber.length() <= 0) {

        Intent intent;//from ww  w .  jav a2s  .c  o m

        intent = new Intent(Intent.ACTION_VIEW);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
        intent.setClassName(this, PreferencesActivity.class.getName());
        startActivity(intent);

        intent = new Intent(Intent.ACTION_VIEW);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
        intent.setClassName(this, WebViewActivity.class.getName());
        intent.setData(Uri.parse(WebViewActivity.getBaseUrl(this, "/help", "enter_phone_number.html")));
        startActivity(intent);

        //Attempt to retrieve old keys

        android.content.ContentResolver cr = getContentResolver();
        android.database.Cursor cursor = cr.query(Data.CONTENT_URI,
                new String[] { Data._ID, Tools.PHONE, Tools.KEY }, Data.MIMETYPE + "=?",
                new String[] { Tools.CONTENT_ITEM_TYPE }, null);
        while (cursor.moveToNext()) {
            try {
                tools.updateOrCreateContactKey(cursor.getString(cursor.getColumnIndex(Tools.PHONE)),
                        Base64.decode(cursor.getString(cursor.getColumnIndex(Tools.KEY)), Base64.DEFAULT),
                        false);

                cr.delete(ContentUris.withAppendedId(Data.CONTENT_URI,
                        cursor.getLong(cursor.getColumnIndex(Data._ID))), null, null);
            } catch (NoContactException e) {
                e.printStackTrace();
                Toast.makeText(this, "No contact for " + cursor.getColumnIndex(Tools.PHONE), Toast.LENGTH_SHORT)
                        .show();
            }

        }
    }
}

---

From source file:mobisocial.bento.todo.io.BentoManager.java

synchronized public Bitmap getTodoBitmap(Uri objUri, String todoUuid, int targetWidth, int targetHeight,
        float degrees) {
    Bitmap bitmap = null;//from  w  w w .j  ava2  s  . c o  m

    DbFeed dbFeed = mMusubi.objForUri(objUri).getSubfeed();

    Cursor c = dbFeed.query();
    c.moveToFirst();
    for (int i = 0; i < c.getCount(); i++) {
        Obj object = mMusubi.objForCursor(c);
        if (object != null && object.getJson() != null && object.getJson().has(TODO_IMAGE)) {
            JSONObject diff = object.getJson().optJSONObject(TODO_IMAGE);
            if (todoUuid.equals(diff.optString(TODO_IMAGE_UUID))) {
                byte[] byteArray = Base64.decode(object.getJson().optString(B64JPGTHUMB), Base64.DEFAULT);
                bitmap = BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length);
                break;
            }
        }
        c.moveToNext();
    }
    c.close();

    if (bitmap != null) {
        bitmap = BitmapHelper.getResizedBitmap(bitmap, targetWidth, targetHeight, degrees);
    }

    return bitmap;
}

---

From source file:com.webXells.ImageResizer.ImageResizePlugin.java

private Bitmap getBitmap(String imageData, String imageDataType) throws IOException {
    Bitmap bmp;//  w  w  w.j  a v  a 2 s  .  c  om
    if (imageDataType.equals(IMAGE_DATA_TYPE_BASE64)) {
        byte[] blob = Base64.decode(imageData, Base64.DEFAULT);
        bmp = BitmapFactory.decodeByteArray(blob, 0, blob.length);
    } else {
        File imagefile = new File(imageData);
        FileInputStream fis = new FileInputStream(imagefile);
        bmp = BitmapFactory.decodeStream(fis);
    }
    return bmp;
}

---

From source file:com.grouptuity.venmo.VenmoSDK.java

private static String base64_url_decode(String payload) {
    String payload_modified = payload.replace('-', '+').replace('_', '/').trim();
    String jsonString = new String(Base64.decode(payload_modified, Base64.DEFAULT));

    return jsonString;
}

---

From source file:org.nick.ghettounlock.GhettoTrustAgent.java

public static RSAPublicKey getPublicKey(Context ctx) {
    String pubKeyStr = PreferenceManager.getDefaultSharedPreferences(ctx).getString(PREF_PUB_KEY, null);
    if (pubKeyStr == null) {
        return null;
    }//from   www .j  ava2  s  .  c o m

    try {
        X509EncodedKeySpec keySpec = new X509EncodedKeySpec(
                Base64.decode(pubKeyStr.getBytes("UTF-8"), Base64.DEFAULT));
        KeyFactory kf = KeyFactory.getInstance("RSA");
        RSAPublicKey pubKey = (RSAPublicKey) kf.generatePublic(keySpec);

        return pubKey;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }

}

---

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