public static int getUriType(Uri uri) {
assertNonRelative(uri);
String scheme = uri.getScheme();
if (ContentResolver.SCHEME_CONTENT.equals(scheme)) {
return URI_TYPE_CONTENT;
}
if (ContentResolver.SCHEME_ANDROID_RESOURCE.equals(scheme)) {
return URI_TYPE_RESOURCE;
}
if (ContentResolver.SCHEME_FILE.equals(scheme)) {
if (uri.getPath().startsWith("/android_asset/")) {
return URI_TYPE_ASSET;
}
return URI_TYPE_FILE;
}
if ("data".equals(scheme)) {
return URI_TYPE_DATA;
}
if ("http".equals(scheme)) {
return URI_TYPE_HTTP;
}
if ("https".equals(scheme)) {
return URI_TYPE_HTTPS;
}
return URI_TYPE_UNKNOWN;
}
/**
* Gets a drawable by URI, without using the cache.
*
* @return A drawable, or {@code null} if the drawable could not be loaded.
*/
private Drawable getDrawable(Uri uri) {
try {
String scheme = uri.getScheme();
if (ContentResolver.SCHEME_ANDROID_RESOURCE.equals(scheme)) {
// Load drawables through Resources, to get the source density information
OpenResourceIdResult r = mProviderContext.getContentResolver().getResourceId(uri);
try {
return r.r.getDrawable(r.id);
} catch (Resources.NotFoundException ex) {
throw new FileNotFoundException("Resource does not exist: " + uri);
}
} else {
// Let the ContentResolver handle content and file URIs.
InputStream stream = mProviderContext.getContentResolver().openInputStream(uri);
if (stream == null) {
throw new FileNotFoundException("Failed to open " + uri);
}
try {
return Drawable.createFromStream(stream, null);
} finally {
try {
stream.close();
} catch (IOException ex) {
Log.e(LOG_TAG, "Error closing icon stream for " + uri, ex);
}
}
}
} catch (FileNotFoundException fnfe) {
Log.w(LOG_TAG, "Icon not found: " + uri + ", " + fnfe.getMessage());
return null;
}
}
private int openOrDownloadInner(JobContext jc) {
String scheme = mUri.getScheme();
if (ContentResolver.SCHEME_CONTENT.equals(scheme)
|| ContentResolver.SCHEME_ANDROID_RESOURCE.equals(scheme)
|| ContentResolver.SCHEME_FILE.equals(scheme)) {
try {
if (MIME_TYPE_JPEG.equalsIgnoreCase(mContentType)) {
InputStream is = mApplication.getContentResolver().openInputStream(mUri);
mRotation = Exif.getOrientation(is);
Utils.closeSilently(is);
}
mFileDescriptor = mApplication.getContentResolver().openFileDescriptor(mUri, "r");
if (jc.isCancelled()) return STATE_INIT;
return STATE_DOWNLOADED;
} catch (FileNotFoundException e) {
Log.w(TAG, "fail to open: " + mUri, e);
return STATE_ERROR;
}
} else {
try {
URL url = new URI(mUri.toString()).toURL();
mCacheEntry = mApplication.getDownloadCache().download(jc, url);
if (jc.isCancelled()) return STATE_INIT;
if (mCacheEntry == null) {
Log.w(TAG, "download failed " + url);
return STATE_ERROR;
}
if (MIME_TYPE_JPEG.equalsIgnoreCase(mContentType)) {
InputStream is = new FileInputStream(mCacheEntry.cacheFile);
mRotation = Exif.getOrientation(is);
Utils.closeSilently(is);
}
mFileDescriptor =
ParcelFileDescriptor.open(mCacheEntry.cacheFile, ParcelFileDescriptor.MODE_READ_ONLY);
return STATE_DOWNLOADED;
} catch (Throwable t) {
Log.w(TAG, "download error", t);
return STATE_ERROR;
}
}
}
/**
* Downloads a file form a given URL and saves it to the specified directory.
*
* @param source URL of the server to receive the file
* @param target Full path of the file on the file system
*/
private void download(
final String source, final String target, JSONArray args, CallbackContext callbackContext)
throws JSONException {
Log.d(LOG_TAG, "download " + source + " to " + target);
final boolean trustEveryone = args.optBoolean(2);
final String objectId = args.getString(3);
final JSONObject headers = args.optJSONObject(4);
final URL url;
try {
url = new URL(source);
} catch (MalformedURLException e) {
JSONObject error = createFileTransferError(INVALID_URL_ERR, source, target, null, 0);
Log.e(LOG_TAG, error.toString(), e);
callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
return;
}
final String sourceProtocol = url.getProtocol();
final boolean useHttps = "https".equals(sourceProtocol);
final boolean useResolvers =
ContentResolver.SCHEME_FILE.equals(sourceProtocol)
|| ContentResolver.SCHEME_CONTENT.equals(sourceProtocol)
|| ContentResolver.SCHEME_ANDROID_RESOURCE.equals(sourceProtocol);
// TODO: refactor to also allow resources & content:
if (!useResolvers && !Config.isUrlWhiteListed(source)) {
Log.w(LOG_TAG, "Source URL is not in white list: '" + source + "'");
JSONObject error = createFileTransferError(CONNECTION_ERR, source, target, null, 401);
callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
return;
}
final RequestContext context = new RequestContext(source, target, callbackContext);
synchronized (activeRequests) {
activeRequests.put(objectId, context);
}
cordova
.getThreadPool()
.execute(
new Runnable() {
public void run() {
if (context.aborted) {
return;
}
URLConnection connection = null;
HostnameVerifier oldHostnameVerifier = null;
SSLSocketFactory oldSocketFactory = null;
File file = null;
PluginResult result = null;
try {
UriResolver sourceResolver = null;
UriResolver targetResolver = webView.resolveUri(Uri.parse(target));
TrackingInputStream inputStream = null;
file = targetResolver.getLocalFile();
context.targetFile = file;
Log.d(LOG_TAG, "Download file:" + url);
FileProgressResult progress = new FileProgressResult();
if (useResolvers) {
sourceResolver = webView.resolveUri(Uri.parse(source));
long len = sourceResolver.computeLength();
if (len != -1) {
progress.setLengthComputable(true);
progress.setTotal(len);
}
inputStream = new SimpleTrackingInputStream(sourceResolver.getInputStream());
} else {
// connect to server
// Open a HTTP connection to the URL based on protocol
if (useHttps) {
// Using standard HTTPS connection. Will not allow self signed certificate
if (!trustEveryone) {
connection = (HttpsURLConnection) httpClient.open(url);
}
// Use our HTTPS connection that blindly trusts everyone.
// This should only be used in debug environments
else {
// Setup the HTTPS connection class to trust everyone
HttpsURLConnection https = (HttpsURLConnection) httpClient.open(url);
oldSocketFactory = trustAllHosts(https);
// Save the current hostnameVerifier
oldHostnameVerifier = https.getHostnameVerifier();
// Setup the connection not to verify hostnames
https.setHostnameVerifier(DO_NOT_VERIFY);
connection = https;
}
}
// Return a standard HTTP connection
else {
connection = httpClient.open(url);
}
if (connection instanceof HttpURLConnection) {
((HttpURLConnection) connection).setRequestMethod("GET");
}
// Add cookie support
String cookie = CookieManager.getInstance().getCookie(source);
if (cookie != null) {
connection.setRequestProperty("cookie", cookie);
}
// This must be explicitly set for gzip progress tracking to work.
connection.setRequestProperty("Accept-Encoding", "gzip");
// Handle the other headers
if (headers != null) {
addHeadersToRequest(connection, headers);
}
connection.connect();
if (connection.getContentEncoding() == null
|| connection.getContentEncoding().equalsIgnoreCase("gzip")) {
// Only trust content-length header if we understand
// the encoding -- identity or gzip
progress.setLengthComputable(true);
progress.setTotal(connection.getContentLength());
}
inputStream = getInputStream(connection);
}
OutputStream outputStream = null;
try {
outputStream = targetResolver.getOutputStream();
synchronized (context) {
if (context.aborted) {
return;
}
context.currentInputStream = inputStream;
}
// write bytes to file
byte[] buffer = new byte[MAX_BUFFER_SIZE];
int bytesRead = 0;
while ((bytesRead = inputStream.read(buffer)) > 0) {
outputStream.write(buffer, 0, bytesRead);
// Send a progress event.
progress.setLoaded(inputStream.getTotalRawBytesRead());
PluginResult progressResult =
new PluginResult(PluginResult.Status.OK, progress.toJSONObject());
progressResult.setKeepCallback(true);
context.sendPluginResult(progressResult);
}
} finally {
context.currentInputStream = null;
safeClose(inputStream);
safeClose(outputStream);
}
Log.d(LOG_TAG, "Saved file: " + target);
// create FileEntry object
JSONObject fileEntry = FileUtils.getEntry(file);
result = new PluginResult(PluginResult.Status.OK, fileEntry);
} catch (FileNotFoundException e) {
JSONObject error =
createFileTransferError(FILE_NOT_FOUND_ERR, source, target, connection);
Log.e(LOG_TAG, error.toString(), e);
result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
} catch (IOException e) {
JSONObject error =
createFileTransferError(CONNECTION_ERR, source, target, connection);
Log.e(LOG_TAG, error.toString(), e);
result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
} catch (JSONException e) {
Log.e(LOG_TAG, e.getMessage(), e);
result = new PluginResult(PluginResult.Status.JSON_EXCEPTION);
} catch (Throwable e) {
JSONObject error =
createFileTransferError(CONNECTION_ERR, source, target, connection);
Log.e(LOG_TAG, error.toString(), e);
result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
} finally {
synchronized (activeRequests) {
activeRequests.remove(objectId);
}
if (connection != null) {
// Revert back to the proper verifier and socket factories
if (trustEveryone && useHttps) {
HttpsURLConnection https = (HttpsURLConnection) connection;
https.setHostnameVerifier(oldHostnameVerifier);
https.setSSLSocketFactory(oldSocketFactory);
}
}
if (result == null) {
result =
new PluginResult(
PluginResult.Status.ERROR,
createFileTransferError(CONNECTION_ERR, source, target, connection));
}
// Remove incomplete download.
if (result.getStatus() != PluginResult.Status.OK.ordinal() && file != null) {
file.delete();
}
context.sendPluginResult(result);
}
}
});
}
private boolean isLocalUri(String scheme) {
return ContentResolver.SCHEME_FILE.equals(scheme)
|| ContentResolver.SCHEME_CONTENT.equals(scheme)
|| ContentResolver.SCHEME_ANDROID_RESOURCE.equals(scheme);
}