private void showChooseDataFolderDialog() {
Context context = ui.getActivity();
File dataFolder = UserPreferences.getDataFolder(null);
if (dataFolder == null) {
new MaterialDialog.Builder(ui.getActivity())
.title(R.string.error_label)
.content(R.string.external_storage_error_msg)
.neutralText(android.R.string.ok)
.show();
return;
}
String dataFolderPath = dataFolder.getAbsolutePath();
int selectedIndex = -1;
File[] mediaDirs = ContextCompat.getExternalFilesDirs(context, null);
List<String> folders = new ArrayList<>(mediaDirs.length);
List<CharSequence> choices = new ArrayList<>(mediaDirs.length);
for (int i = 0; i < mediaDirs.length; i++) {
File dir = mediaDirs[i];
if (dir == null || !dir.exists() || !dir.canRead() || !dir.canWrite()) {
continue;
}
String path = mediaDirs[i].getAbsolutePath();
folders.add(path);
if (dataFolderPath.equals(path)) {
selectedIndex = i;
}
int index = path.indexOf("Android");
String choice;
if (index >= 0) {
choice = path.substring(0, index);
} else {
choice = path;
}
long bytes = StorageUtils.getFreeSpaceAvailable(path);
String freeSpace =
String.format(
context.getString(R.string.free_space_label), Converter.byteToString(bytes));
choices.add(
Html.fromHtml("<html><small>" + choice + " [" + freeSpace + "]" + "</small></html>"));
}
if (choices.size() == 0) {
new MaterialDialog.Builder(ui.getActivity())
.title(R.string.error_label)
.content(R.string.external_storage_error_msg)
.neutralText(android.R.string.ok)
.show();
return;
}
MaterialDialog dialog =
new MaterialDialog.Builder(ui.getActivity())
.title(R.string.choose_data_directory)
.content(R.string.choose_data_directory_message)
.items(choices.toArray(new CharSequence[choices.size()]))
.itemsCallbackSingleChoice(
selectedIndex,
(dialog1, itemView, which, text) -> {
String folder = folders.get(which);
Log.d(TAG, "data folder: " + folder);
UserPreferences.setDataFolder(folder);
setDataFolderText();
return true;
})
.negativeText(R.string.cancel_label)
.cancelable(true)
.build();
dialog.show();
}
@Override
protected void download() {
File destination = new File(request.getDestination());
final boolean fileExists = destination.exists();
if (request.isDeleteOnFailure() && fileExists) {
Log.w(TAG, "File already exists");
if (request.getFeedfileType() != FeedImage.FEEDFILETYPE_FEEDIMAGE) {
onFail(DownloadError.ERROR_FILE_EXISTS, null);
return;
} else {
onSuccess();
return;
}
}
OkHttpClient httpClient = AntennapodHttpClient.getHttpClient();
RandomAccessFile out = null;
InputStream connection;
ResponseBody responseBody = null;
try {
final URI uri = URIUtil.getURIFromRequestUrl(request.getSource());
Request.Builder httpReq =
new Request.Builder().url(uri.toURL()).header("User-Agent", ClientConfig.USER_AGENT);
if (request.getIfModifiedSince() > 0) {
long threeDaysAgo = System.currentTimeMillis() - 1000 * 60 * 60 * 24 * 3;
if (request.getIfModifiedSince() > threeDaysAgo) {
Date date = new Date(request.getIfModifiedSince());
String httpDate = HttpDate.format(date);
Log.d(TAG, "addHeader(\"If-Modified-Since\", \"" + httpDate + "\")");
httpReq.addHeader("If-Modified-Since", httpDate);
}
}
// add authentication information
String userInfo = uri.getUserInfo();
if (userInfo != null) {
String[] parts = userInfo.split(":");
if (parts.length == 2) {
String credentials = encodeCredentials(parts[0], parts[1], "ISO-8859-1");
httpReq.header("Authorization", credentials);
}
} else if (!StringUtils.isEmpty(request.getUsername()) && request.getPassword() != null) {
String credentials =
encodeCredentials(request.getUsername(), request.getPassword(), "ISO-8859-1");
httpReq.header("Authorization", credentials);
}
// add range header if necessary
if (fileExists) {
request.setSoFar(destination.length());
httpReq.addHeader("Range", "bytes=" + request.getSoFar() + "-");
Log.d(TAG, "Adding range header: " + request.getSoFar());
}
Response response = null;
try {
response = httpClient.newCall(httpReq.build()).execute();
} catch (IOException e) {
Log.e(TAG, e.toString());
if (e.getMessage().contains("PROTOCOL_ERROR")) {
httpClient.setProtocols(Arrays.asList(Protocol.HTTP_1_1));
response = httpClient.newCall(httpReq.build()).execute();
} else {
throw e;
}
}
responseBody = response.body();
String contentEncodingHeader = response.header("Content-Encoding");
boolean isGzip = StringUtils.equalsIgnoreCase(contentEncodingHeader, "gzip");
Log.d(TAG, "Response code is " + response.code());
if (!response.isSuccessful() && response.code() == HttpURLConnection.HTTP_UNAUTHORIZED) {
Log.d(TAG, "Authorization failed, re-trying with UTF-8 encoding");
if (userInfo != null) {
String[] parts = userInfo.split(":");
if (parts.length == 2) {
String credentials = encodeCredentials(parts[0], parts[1], "UTF-8");
httpReq.header("Authorization", credentials);
}
} else if (!StringUtils.isEmpty(request.getUsername()) && request.getPassword() != null) {
String credentials =
encodeCredentials(request.getUsername(), request.getPassword(), "UTF-8");
httpReq.header("Authorization", credentials);
}
response = httpClient.newCall(httpReq.build()).execute();
responseBody = response.body();
contentEncodingHeader = response.header("Content-Encoding");
isGzip = StringUtils.equalsIgnoreCase(contentEncodingHeader, "gzip");
}
if (!response.isSuccessful() && response.code() == HttpURLConnection.HTTP_NOT_MODIFIED) {
Log.d(
TAG,
"Feed '" + request.getSource() + "' not modified since last update, Download canceled");
onCancelled();
return;
}
if (!response.isSuccessful() || response.body() == null) {
final DownloadError error;
final String details;
if (response.code() == HttpURLConnection.HTTP_UNAUTHORIZED) {
error = DownloadError.ERROR_UNAUTHORIZED;
details = String.valueOf(response.code());
} else {
error = DownloadError.ERROR_HTTP_DATA_ERROR;
details = String.valueOf(response.code());
}
onFail(error, details);
return;
}
if (!StorageUtils.storageAvailable(
ClientConfig.applicationCallbacks.getApplicationInstance())) {
onFail(DownloadError.ERROR_DEVICE_NOT_FOUND, null);
return;
}
connection = new BufferedInputStream(responseBody.byteStream());
String contentRangeHeader = (fileExists) ? response.header("Content-Range") : null;
if (fileExists
&& response.code() == HttpStatus.SC_PARTIAL_CONTENT
&& !StringUtils.isEmpty(contentRangeHeader)) {
String start =
contentRangeHeader.substring("bytes ".length(), contentRangeHeader.indexOf("-"));
request.setSoFar(Long.valueOf(start));
Log.d(TAG, "Starting download at position " + request.getSoFar());
out = new RandomAccessFile(destination, "rw");
out.seek(request.getSoFar());
} else {
destination.delete();
destination.createNewFile();
out = new RandomAccessFile(destination, "rw");
}
byte[] buffer = new byte[BUFFER_SIZE];
int count = 0;
request.setStatusMsg(R.string.download_running);
Log.d(TAG, "Getting size of download");
request.setSize(responseBody.contentLength() + request.getSoFar());
Log.d(TAG, "Size is " + request.getSize());
if (request.getSize() < 0) {
request.setSize(DownloadStatus.SIZE_UNKNOWN);
}
long freeSpace = StorageUtils.getFreeSpaceAvailable();
Log.d(TAG, "Free space is " + freeSpace);
if (request.getSize() != DownloadStatus.SIZE_UNKNOWN && request.getSize() > freeSpace) {
onFail(DownloadError.ERROR_NOT_ENOUGH_SPACE, null);
return;
}
Log.d(TAG, "Starting download");
try {
while (!cancelled && (count = connection.read(buffer)) != -1) {
out.write(buffer, 0, count);
request.setSoFar(request.getSoFar() + count);
request.setProgressPercent(
(int) (((double) request.getSoFar() / (double) request.getSize()) * 100));
}
} catch (IOException e) {
Log.e(TAG, Log.getStackTraceString(e));
}
if (cancelled) {
onCancelled();
} else {
// check if size specified in the response header is the same as the size of the
// written file. This check cannot be made if compression was used
if (!isGzip
&& request.getSize() != DownloadStatus.SIZE_UNKNOWN
&& request.getSoFar() != request.getSize()) {
onFail(
DownloadError.ERROR_IO_ERROR,
"Download completed but size: "
+ request.getSoFar()
+ " does not equal expected size "
+ request.getSize());
return;
} else if (request.getSize() > 0 && request.getSoFar() == 0) {
onFail(DownloadError.ERROR_IO_ERROR, "Download completed, but nothing was read");
return;
}
onSuccess();
}
} catch (IllegalArgumentException e) {
e.printStackTrace();
onFail(DownloadError.ERROR_MALFORMED_URL, e.getMessage());
} catch (SocketTimeoutException e) {
e.printStackTrace();
onFail(DownloadError.ERROR_CONNECTION_ERROR, e.getMessage());
} catch (UnknownHostException e) {
e.printStackTrace();
onFail(DownloadError.ERROR_UNKNOWN_HOST, e.getMessage());
} catch (IOException e) {
e.printStackTrace();
onFail(DownloadError.ERROR_IO_ERROR, e.getMessage());
} catch (NullPointerException e) {
// might be thrown by connection.getInputStream()
e.printStackTrace();
onFail(DownloadError.ERROR_CONNECTION_ERROR, request.getSource());
} finally {
IOUtils.closeQuietly(out);
AntennapodHttpClient.cleanup();
IOUtils.closeQuietly(responseBody);
}
}