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org.whispersystems.textsecure.internal.push.PushServiceSocket Maven / Gradle / Ivy
/**
* Copyright (C) 2014 Open Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see getDevices() throws IOException {
String responseText = makeRequest(String.format(DEVICE_PATH, ""), "GET", null);
return JsonUtil.fromJson(responseText, DeviceInfoList.class).getDevices();
}
public void removeDevice(long deviceId) throws IOException {
makeRequest(String.format(DEVICE_PATH, String.valueOf(deviceId)), "DELETE", null);
}
public void sendProvisioningMessage(String destination, byte[] body) throws IOException {
makeRequest(String.format(PROVISIONING_MESSAGE_PATH, destination), "PUT",
JsonUtil.toJson(new ProvisioningMessage(Base64.encodeBytes(body))));
}
public void sendReceipt(String destination, long messageId, Optional relay) throws IOException {
String path = String.format(RECEIPT_PATH, destination, messageId);
if (relay.isPresent()) {
path += "?relay=" + relay.get();
}
makeRequest(path, "PUT", null);
}
public void registerGcmId(String gcmRegistrationId) throws IOException {
GcmRegistrationId registration = new GcmRegistrationId(gcmRegistrationId, true);
makeRequest(REGISTER_GCM_PATH, "PUT", JsonUtil.toJson(registration));
}
public void unregisterGcmId() throws IOException {
makeRequest(REGISTER_GCM_PATH, "DELETE", null);
}
public SendMessageResponse sendMessage(OutgoingPushMessageList bundle)
throws IOException
{
try {
String responseText = makeRequest(String.format(MESSAGE_PATH, bundle.getDestination()), "PUT", JsonUtil.toJson(bundle));
if (responseText == null) return new SendMessageResponse(false);
else return JsonUtil.fromJson(responseText, SendMessageResponse.class);
} catch (NotFoundException nfe) {
throw new UnregisteredUserException(bundle.getDestination(), nfe);
}
}
public List getMessages() throws IOException {
String responseText = makeRequest(String.format(MESSAGE_PATH, ""), "GET", null);
return JsonUtil.fromJson(responseText, TextSecureEnvelopeEntityList.class).getMessages();
}
public void acknowledgeMessage(String sender, long timestamp) throws IOException {
makeRequest(String.format(ACKNOWLEDGE_MESSAGE_PATH, sender, timestamp), "DELETE", null);
}
public void registerPreKeys(IdentityKey identityKey,
PreKeyRecord lastResortKey,
SignedPreKeyRecord signedPreKey,
List records)
throws IOException
{
List entities = new LinkedList<>();
for (PreKeyRecord record : records) {
PreKeyEntity entity = new PreKeyEntity(record.getId(),
record.getKeyPair().getPublicKey());
entities.add(entity);
}
PreKeyEntity lastResortEntity = new PreKeyEntity(lastResortKey.getId(),
lastResortKey.getKeyPair().getPublicKey());
SignedPreKeyEntity signedPreKeyEntity = new SignedPreKeyEntity(signedPreKey.getId(),
signedPreKey.getKeyPair().getPublicKey(),
signedPreKey.getSignature());
makeRequest(String.format(PREKEY_PATH, ""), "PUT",
JsonUtil.toJson(new PreKeyState(entities, lastResortEntity,
signedPreKeyEntity, identityKey)));
}
public int getAvailablePreKeys() throws IOException {
String responseText = makeRequest(PREKEY_METADATA_PATH, "GET", null);
PreKeyStatus preKeyStatus = JsonUtil.fromJson(responseText, PreKeyStatus.class);
return preKeyStatus.getCount();
}
public List getPreKeys(TextSecureAddress destination, int deviceIdInteger) throws IOException {
try {
String deviceId = String.valueOf(deviceIdInteger);
if (deviceId.equals("1"))
deviceId = "*";
String path = String.format(PREKEY_DEVICE_PATH, destination.getNumber(), deviceId);
if (destination.getRelay().isPresent()) {
path = path + "?relay=" + destination.getRelay().get();
}
String responseText = makeRequest(path, "GET", null);
PreKeyResponse response = JsonUtil.fromJson(responseText, PreKeyResponse.class);
List bundles = new LinkedList<>();
for (PreKeyResponseItem device : response.getDevices()) {
ECPublicKey preKey = null;
ECPublicKey signedPreKey = null;
byte[] signedPreKeySignature = null;
int preKeyId = -1;
int signedPreKeyId = -1;
if (device.getSignedPreKey() != null) {
signedPreKey = device.getSignedPreKey().getPublicKey();
signedPreKeyId = device.getSignedPreKey().getKeyId();
signedPreKeySignature = device.getSignedPreKey().getSignature();
}
if (device.getPreKey() != null) {
preKeyId = device.getPreKey().getKeyId();
preKey = device.getPreKey().getPublicKey();
}
bundles.add(new PreKeyBundle(device.getRegistrationId(), device.getDeviceId(), preKeyId,
preKey, signedPreKeyId, signedPreKey, signedPreKeySignature,
response.getIdentityKey()));
}
return bundles;
} catch (NotFoundException nfe) {
throw new UnregisteredUserException(destination.getNumber(), nfe);
}
}
public PreKeyBundle getPreKey(TextSecureAddress destination, int deviceId) throws IOException {
try {
String path = String.format(PREKEY_DEVICE_PATH, destination.getNumber(),
String.valueOf(deviceId));
if (destination.getRelay().isPresent()) {
path = path + "?relay=" + destination.getRelay().get();
}
String responseText = makeRequest(path, "GET", null);
PreKeyResponse response = JsonUtil.fromJson(responseText, PreKeyResponse.class);
if (response.getDevices() == null || response.getDevices().size() < 1)
throw new IOException("Empty prekey list");
PreKeyResponseItem device = response.getDevices().get(0);
ECPublicKey preKey = null;
ECPublicKey signedPreKey = null;
byte[] signedPreKeySignature = null;
int preKeyId = -1;
int signedPreKeyId = -1;
if (device.getPreKey() != null) {
preKeyId = device.getPreKey().getKeyId();
preKey = device.getPreKey().getPublicKey();
}
if (device.getSignedPreKey() != null) {
signedPreKeyId = device.getSignedPreKey().getKeyId();
signedPreKey = device.getSignedPreKey().getPublicKey();
signedPreKeySignature = device.getSignedPreKey().getSignature();
}
return new PreKeyBundle(device.getRegistrationId(), device.getDeviceId(), preKeyId, preKey,
signedPreKeyId, signedPreKey, signedPreKeySignature, response.getIdentityKey());
} catch (NotFoundException nfe) {
throw new UnregisteredUserException(destination.getNumber(), nfe);
}
}
public SignedPreKeyEntity getCurrentSignedPreKey() throws IOException {
try {
String responseText = makeRequest(SIGNED_PREKEY_PATH, "GET", null);
return JsonUtil.fromJson(responseText, SignedPreKeyEntity.class);
} catch (NotFoundException e) {
Log.w(TAG, e);
return null;
}
}
public void setCurrentSignedPreKey(SignedPreKeyRecord signedPreKey) throws IOException {
SignedPreKeyEntity signedPreKeyEntity = new SignedPreKeyEntity(signedPreKey.getId(),
signedPreKey.getKeyPair().getPublicKey(),
signedPreKey.getSignature());
makeRequest(SIGNED_PREKEY_PATH, "PUT", JsonUtil.toJson(signedPreKeyEntity));
}
public long sendAttachment(PushAttachmentData attachment) throws IOException {
String response = makeRequest(String.format(ATTACHMENT_PATH, ""), "GET", null);
AttachmentDescriptor attachmentKey = JsonUtil.fromJson(response, AttachmentDescriptor.class);
if (attachmentKey == null || attachmentKey.getLocation() == null) {
throw new IOException("Server failed to allocate an attachment key!");
}
Log.w(TAG, "Got attachment content location: " + attachmentKey.getLocation());
uploadAttachment("PUT", attachmentKey.getLocation(), attachment.getData(),
attachment.getDataSize(), attachment.getKey(), attachment.getListener());
return attachmentKey.getId();
}
public void retrieveAttachment(String relay, long attachmentId, File destination, ProgressListener listener) throws IOException {
String path = String.format(ATTACHMENT_PATH, String.valueOf(attachmentId));
if (!Util.isEmpty(relay)) {
path = path + "?relay=" + relay;
}
String response = makeRequest(path, "GET", null);
AttachmentDescriptor descriptor = JsonUtil.fromJson(response, AttachmentDescriptor.class);
Log.w(TAG, "Attachment: " + attachmentId + " is at: " + descriptor.getLocation());
downloadExternalFile(descriptor.getLocation(), destination, listener);
}
public List retrieveDirectory(Set contactTokens)
throws NonSuccessfulResponseCodeException, PushNetworkException
{
try {
ContactTokenList contactTokenList = new ContactTokenList(new LinkedList<>(contactTokens));
String response = makeRequest(DIRECTORY_TOKENS_PATH, "PUT", JsonUtil.toJson(contactTokenList));
ContactTokenDetailsList activeTokens = JsonUtil.fromJson(response, ContactTokenDetailsList.class);
return activeTokens.getContacts();
} catch (IOException e) {
Log.w(TAG, e);
throw new NonSuccessfulResponseCodeException("Unable to parse entity");
}
}
public ContactTokenDetails getContactTokenDetails(String contactToken) throws IOException {
try {
String response = makeRequest(String.format(DIRECTORY_VERIFY_PATH, contactToken), "GET", null);
return JsonUtil.fromJson(response, ContactTokenDetails.class);
} catch (NotFoundException nfe) {
return null;
}
}
private void downloadExternalFile(String url, File localDestination, ProgressListener listener)
throws IOException
{
URL downloadUrl = new URL(url);
HttpURLConnection connection = (HttpURLConnection) downloadUrl.openConnection();
connection.setRequestProperty("Content-Type", "application/octet-stream");
connection.setRequestMethod("GET");
connection.setDoInput(true);
try {
if (connection.getResponseCode() != 200) {
throw new NonSuccessfulResponseCodeException("Bad response: " + connection.getResponseCode());
}
OutputStream output = new FileOutputStream(localDestination);
InputStream input = connection.getInputStream();
byte[] buffer = new byte[4096];
int contentLength = connection.getContentLength();
int read,totalRead = 0;
while ((read = input.read(buffer)) != -1) {
output.write(buffer, 0, read);
totalRead += read;
if (listener != null) {
listener.onAttachmentProgress(contentLength, totalRead);
}
}
output.close();
Log.w(TAG, "Downloaded: " + url + " to: " + localDestination.getAbsolutePath());
} catch (IOException ioe) {
throw new PushNetworkException(ioe);
} finally {
connection.disconnect();
}
}
private void uploadAttachment(String method, String url, InputStream data,
long dataSize, byte[] key, ProgressListener listener)
throws IOException
{
URL uploadUrl = new URL(url);
HttpsURLConnection connection = (HttpsURLConnection) uploadUrl.openConnection();
connection.setDoOutput(true);
if (dataSize > 0) {
connection.setFixedLengthStreamingMode((int) AttachmentCipherOutputStream.getCiphertextLength(dataSize));
} else {
connection.setChunkedStreamingMode(0);
}
connection.setRequestMethod(method);
connection.setRequestProperty("Content-Type", "application/octet-stream");
connection.setRequestProperty("Connection", "close");
connection.connect();
try {
OutputStream stream = connection.getOutputStream();
AttachmentCipherOutputStream out = new AttachmentCipherOutputStream(key, stream);
byte[] buffer = new byte[4096];
int read, written = 0;
while ((read = data.read(buffer)) != -1) {
out.write(buffer, 0, read);
written += read;
if (listener != null) {
listener.onAttachmentProgress(dataSize, written);
}
}
data.close();
out.flush();
out.close();
if (connection.getResponseCode() != 200) {
throw new IOException("Bad response: " + connection.getResponseCode() + " " + connection.getResponseMessage());
}
} finally {
connection.disconnect();
}
}
private String makeRequest(String urlFragment, String method, String body)
throws NonSuccessfulResponseCodeException, PushNetworkException
{
Response response = getConnection(urlFragment, method, body);
int responseCode;
String responseMessage;
String responseBody;
try {
responseCode = response.code();
responseMessage = response.message();
responseBody = response.body().string();
} catch (IOException ioe) {
throw new PushNetworkException(ioe);
}
switch (responseCode) {
case 413:
throw new RateLimitException("Rate limit exceeded: " + responseCode);
case 401:
case 403:
throw new AuthorizationFailedException("Authorization failed!");
case 404:
throw new NotFoundException("Not found");
case 409:
MismatchedDevices mismatchedDevices;
try {
mismatchedDevices = JsonUtil.fromJson(responseBody, MismatchedDevices.class);
} catch (JsonProcessingException e) {
Log.w(TAG, e);
throw new NonSuccessfulResponseCodeException("Bad response: " + responseCode + " " + responseMessage);
} catch (IOException e) {
throw new PushNetworkException(e);
}
throw new MismatchedDevicesException(mismatchedDevices);
case 410:
StaleDevices staleDevices;
try {
staleDevices = JsonUtil.fromJson(responseBody, StaleDevices.class);
} catch (JsonProcessingException e) {
throw new NonSuccessfulResponseCodeException("Bad response: " + responseCode + " " + responseMessage);
} catch (IOException e) {
throw new PushNetworkException(e);
}
throw new StaleDevicesException(staleDevices);
case 411:
DeviceLimit deviceLimit;
try {
deviceLimit = JsonUtil.fromJson(responseBody, DeviceLimit.class);
} catch (JsonProcessingException e) {
throw new NonSuccessfulResponseCodeException("Bad response: " + responseCode + " " + responseMessage);
} catch (IOException e) {
throw new PushNetworkException(e);
}
throw new DeviceLimitExceededException(deviceLimit);
case 417:
throw new ExpectationFailedException();
}
if (responseCode != 200 && responseCode != 204) {
throw new NonSuccessfulResponseCodeException("Bad response: " + responseCode + " " +
responseMessage);
}
return responseBody;
}
private Response getConnection(String urlFragment, String method, String body)
throws PushNetworkException
{
try {
Log.w(TAG, "Push service URL: " + serviceUrl);
Log.w(TAG, "Opening URL: " + String.format("%s%s", serviceUrl, urlFragment));
SSLContext context = SSLContext.getInstance("TLS");
context.init(null, trustManagers, null);
OkHttpClient okHttpClient = new OkHttpClient();
okHttpClient.setSslSocketFactory(context.getSocketFactory());
okHttpClient.setHostnameVerifier(new StrictHostnameVerifier());
Request.Builder request = new Request.Builder();
request.url(String.format("%s%s", serviceUrl, urlFragment));
if (body != null) {
request.method(method, RequestBody.create(MediaType.parse("application/json"), body));
} else {
request.method(method, null);
}
if (credentialsProvider.getPassword() != null) {
request.addHeader("Authorization", getAuthorizationHeader());
}
if (userAgent != null) {
request.addHeader("X-Signal-Agent", userAgent);
}
return okHttpClient.newCall(request.build()).execute();
} catch (IOException e) {
throw new PushNetworkException(e);
} catch (NoSuchAlgorithmException | KeyManagementException e) {
throw new AssertionError(e);
}
}
private String getAuthorizationHeader() {
try {
return "Basic " + Base64.encodeBytes((credentialsProvider.getUser() + ":" + credentialsProvider.getPassword()).getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
throw new AssertionError(e);
}
}
private static class GcmRegistrationId {
@JsonProperty
private String gcmRegistrationId;
@JsonProperty
private boolean webSocketChannel;
public GcmRegistrationId() {}
public GcmRegistrationId(String gcmRegistrationId, boolean webSocketChannel) {
this.gcmRegistrationId = gcmRegistrationId;
this.webSocketChannel = webSocketChannel;
}
}
private static class AttachmentDescriptor {
@JsonProperty
private long id;
@JsonProperty
private String location;
public long getId() {
return id;
}
public String getLocation() {
return location;
}
}
}
