mirror of
https://github.com/apache/cordova-plugin-file-transfer.git
synced 2026-04-28 00:02:49 +08:00
Initial Commit
This commit is contained in:
Joe Bowser
@@ -0,0 +1,960 @@
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/*
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
|
||||
to you under the Apache License, Version 2.0 (the
|
||||
"License"); you may not use this file except in compliance
|
||||
with the License. You may obtain a copy of the License at
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||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
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||||
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Unless required by applicable law or agreed to in writing,
|
||||
software distributed under the License is distributed on an
|
||||
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
KIND, either express or implied. See the License for the
|
||||
specific language governing permissions and limitations
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under the License.
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*/
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package org.apache.cordova.core;
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import java.io.BufferedReader;
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import java.io.ByteArrayOutputStream;
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import java.io.Closeable;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.FilterInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.io.StringWriter;
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import java.io.UnsupportedEncodingException;
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import java.net.HttpURLConnection;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.net.URLConnection;
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import java.net.URLDecoder;
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import java.security.cert.CertificateException;
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import java.security.cert.X509Certificate;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.zip.GZIPInputStream;
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import java.util.zip.Inflater;
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import javax.net.ssl.HostnameVerifier;
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import javax.net.ssl.HttpsURLConnection;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLSession;
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import javax.net.ssl.SSLSocketFactory;
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import javax.net.ssl.TrustManager;
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import javax.net.ssl.X509TrustManager;
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import org.apache.cordova.Config;
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import org.apache.cordova.api.CallbackContext;
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import org.apache.cordova.api.CordovaPlugin;
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import org.apache.cordova.api.PluginResult;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import android.net.Uri;
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import android.os.Build;
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import android.util.Log;
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import android.webkit.CookieManager;
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public class FileTransfer extends CordovaPlugin {
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private static final String LOG_TAG = "FileTransfer";
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private static final String LINE_START = "--";
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private static final String LINE_END = "\r\n";
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private static final String BOUNDARY = "+++++";
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public static int FILE_NOT_FOUND_ERR = 1;
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public static int INVALID_URL_ERR = 2;
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public static int CONNECTION_ERR = 3;
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public static int ABORTED_ERR = 4;
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private static HashMap<String, RequestContext> activeRequests = new HashMap<String, RequestContext>();
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private static final int MAX_BUFFER_SIZE = 16 * 1024;
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private static final class RequestContext {
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String source;
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String target;
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File targetFile;
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CallbackContext callbackContext;
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InputStream currentInputStream;
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OutputStream currentOutputStream;
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boolean aborted;
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RequestContext(String source, String target, CallbackContext callbackContext) {
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this.source = source;
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this.target = target;
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this.callbackContext = callbackContext;
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}
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void sendPluginResult(PluginResult pluginResult) {
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synchronized (this) {
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if (!aborted) {
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callbackContext.sendPluginResult(pluginResult);
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}
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}
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}
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}
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/**
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* Adds an interface method to an InputStream to return the number of bytes
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* read from the raw stream. This is used to track total progress against
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* the HTTP Content-Length header value from the server.
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*/
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private static abstract class TrackingInputStream extends FilterInputStream {
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public TrackingInputStream(final InputStream in) {
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super(in);
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}
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public abstract long getTotalRawBytesRead();
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}
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private static class ExposedGZIPInputStream extends GZIPInputStream {
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public ExposedGZIPInputStream(final InputStream in) throws IOException {
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super(in);
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}
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public Inflater getInflater() {
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return inf;
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}
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}
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/**
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* Provides raw bytes-read tracking for a GZIP input stream. Reports the
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* total number of compressed bytes read from the input, rather than the
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* number of uncompressed bytes.
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*/
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private static class TrackingGZIPInputStream extends TrackingInputStream {
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private ExposedGZIPInputStream gzin;
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public TrackingGZIPInputStream(final ExposedGZIPInputStream gzin) throws IOException {
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super(gzin);
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this.gzin = gzin;
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}
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public long getTotalRawBytesRead() {
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return gzin.getInflater().getBytesRead();
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}
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}
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/**
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* Provides simple total-bytes-read tracking for an existing InputStream
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*/
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private static class TrackingHTTPInputStream extends TrackingInputStream {
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private long bytesRead = 0;
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public TrackingHTTPInputStream(InputStream stream) {
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super(stream);
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}
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private int updateBytesRead(int newBytesRead) {
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if (newBytesRead != -1) {
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bytesRead += newBytesRead;
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}
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return newBytesRead;
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}
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@Override
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public int read() throws IOException {
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return updateBytesRead(super.read());
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}
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@Override
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public int read(byte[] buffer) throws IOException {
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return updateBytesRead(super.read(buffer));
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}
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@Override
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public int read(byte[] bytes, int offset, int count) throws IOException {
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return updateBytesRead(super.read(bytes, offset, count));
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}
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public long getTotalRawBytesRead() {
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return bytesRead;
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}
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}
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/**
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* Works around a bug on Android 2.3.
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* http://code.google.com/p/android/issues/detail?id=14562
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*/
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private static final class DoneHandlerInputStream extends TrackingHTTPInputStream {
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private boolean done;
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public DoneHandlerInputStream(InputStream stream) {
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super(stream);
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}
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@Override
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public int read() throws IOException {
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int result = done ? -1 : super.read();
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done = (result == -1);
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return result;
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}
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@Override
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public int read(byte[] buffer) throws IOException {
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int result = done ? -1 : super.read(buffer);
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done = (result == -1);
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return result;
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}
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@Override
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public int read(byte[] bytes, int offset, int count) throws IOException {
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int result = done ? -1 : super.read(bytes, offset, count);
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done = (result == -1);
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return result;
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}
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}
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@Override
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public boolean execute(String action, JSONArray args, final CallbackContext callbackContext) throws JSONException {
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if (action.equals("upload") || action.equals("download")) {
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String source = args.getString(0);
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String target = args.getString(1);
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if (action.equals("upload")) {
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try {
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source = URLDecoder.decode(source, "UTF-8");
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upload(source, target, args, callbackContext);
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} catch (UnsupportedEncodingException e) {
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callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.MALFORMED_URL_EXCEPTION, "UTF-8 error."));
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}
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} else {
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download(source, target, args, callbackContext);
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}
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return true;
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} else if (action.equals("abort")) {
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String objectId = args.getString(0);
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abort(objectId);
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callbackContext.success();
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return true;
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}
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return false;
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}
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private static void addHeadersToRequest(URLConnection connection, JSONObject headers) {
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try {
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for (Iterator<?> iter = headers.keys(); iter.hasNext(); ) {
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String headerKey = iter.next().toString();
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JSONArray headerValues = headers.optJSONArray(headerKey);
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if (headerValues == null) {
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headerValues = new JSONArray();
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headerValues.put(headers.getString(headerKey));
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}
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connection.setRequestProperty(headerKey, headerValues.getString(0));
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for (int i = 1; i < headerValues.length(); ++i) {
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connection.addRequestProperty(headerKey, headerValues.getString(i));
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}
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}
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} catch (JSONException e1) {
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// No headers to be manipulated!
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}
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}
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/**
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* Uploads the specified file to the server URL provided using an HTTP multipart request.
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* @param source Full path of the file on the file system
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* @param target URL of the server to receive the file
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* @param args JSON Array of args
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* @param callbackContext callback id for optional progress reports
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*
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* args[2] fileKey Name of file request parameter
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* args[3] fileName File name to be used on server
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* args[4] mimeType Describes file content type
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* args[5] params key:value pairs of user-defined parameters
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* @return FileUploadResult containing result of upload request
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*/
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private void upload(final String source, final String target, JSONArray args, CallbackContext callbackContext) throws JSONException {
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Log.d(LOG_TAG, "upload " + source + " to " + target);
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// Setup the options
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final String fileKey = getArgument(args, 2, "file");
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final String fileName = getArgument(args, 3, "image.jpg");
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final String mimeType = getArgument(args, 4, "image/jpeg");
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final JSONObject params = args.optJSONObject(5) == null ? new JSONObject() : args.optJSONObject(5);
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final boolean trustEveryone = args.optBoolean(6);
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// Always use chunked mode unless set to false as per API
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final boolean chunkedMode = args.optBoolean(7) || args.isNull(7);
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// Look for headers on the params map for backwards compatibility with older Cordova versions.
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final JSONObject headers = args.optJSONObject(8) == null ? params.optJSONObject("headers") : args.optJSONObject(8);
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final String objectId = args.getString(9);
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final String httpMethod = getArgument(args, 10, "POST");
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Log.d(LOG_TAG, "fileKey: " + fileKey);
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Log.d(LOG_TAG, "fileName: " + fileName);
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Log.d(LOG_TAG, "mimeType: " + mimeType);
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Log.d(LOG_TAG, "params: " + params);
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Log.d(LOG_TAG, "trustEveryone: " + trustEveryone);
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Log.d(LOG_TAG, "chunkedMode: " + chunkedMode);
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Log.d(LOG_TAG, "headers: " + headers);
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Log.d(LOG_TAG, "objectId: " + objectId);
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Log.d(LOG_TAG, "httpMethod: " + httpMethod);
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final URL url;
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try {
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url = new URL(target);
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} catch (MalformedURLException e) {
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JSONObject error = createFileTransferError(INVALID_URL_ERR, source, target, null, 0);
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Log.e(LOG_TAG, error.toString(), e);
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callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
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return;
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}
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final boolean useHttps = url.getProtocol().equals("https");
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final RequestContext context = new RequestContext(source, target, callbackContext);
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synchronized (activeRequests) {
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activeRequests.put(objectId, context);
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}
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cordova.getThreadPool().execute(new Runnable() {
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public void run() {
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if (context.aborted) {
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return;
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}
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HttpURLConnection conn = null;
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HostnameVerifier oldHostnameVerifier = null;
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SSLSocketFactory oldSocketFactory = null;
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int totalBytes = 0;
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int fixedLength = -1;
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try {
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// Create return object
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FileUploadResult result = new FileUploadResult();
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FileProgressResult progress = new FileProgressResult();
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//------------------ CLIENT REQUEST
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// Open a HTTP connection to the URL based on protocol
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if (useHttps) {
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// Using standard HTTPS connection. Will not allow self signed certificate
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if (!trustEveryone) {
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conn = (HttpsURLConnection) url.openConnection();
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}
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// Use our HTTPS connection that blindly trusts everyone.
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// This should only be used in debug environments
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||||
else {
|
||||
// Setup the HTTPS connection class to trust everyone
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HttpsURLConnection https = (HttpsURLConnection) url.openConnection();
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oldSocketFactory = trustAllHosts(https);
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// Save the current hostnameVerifier
|
||||
oldHostnameVerifier = https.getHostnameVerifier();
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// Setup the connection not to verify hostnames
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https.setHostnameVerifier(DO_NOT_VERIFY);
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conn = https;
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||||
}
|
||||
}
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// Return a standard HTTP connection
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else {
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conn = (HttpURLConnection) url.openConnection();
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||||
}
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|
||||
// Allow Inputs
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conn.setDoInput(true);
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||||
|
||||
// Allow Outputs
|
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conn.setDoOutput(true);
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||||
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// Don't use a cached copy.
|
||||
conn.setUseCaches(false);
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||||
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// Use a post method.
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conn.setRequestMethod(httpMethod);
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conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + BOUNDARY);
|
||||
|
||||
// Set the cookies on the response
|
||||
String cookie = CookieManager.getInstance().getCookie(target);
|
||||
if (cookie != null) {
|
||||
conn.setRequestProperty("Cookie", cookie);
|
||||
}
|
||||
|
||||
// Handle the other headers
|
||||
if (headers != null) {
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||||
addHeadersToRequest(conn, headers);
|
||||
}
|
||||
|
||||
/*
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||||
* Store the non-file portions of the multipart data as a string, so that we can add it
|
||||
* to the contentSize, since it is part of the body of the HTTP request.
|
||||
*/
|
||||
StringBuilder beforeData = new StringBuilder();
|
||||
try {
|
||||
for (Iterator<?> iter = params.keys(); iter.hasNext();) {
|
||||
Object key = iter.next();
|
||||
if(!String.valueOf(key).equals("headers"))
|
||||
{
|
||||
beforeData.append(LINE_START).append(BOUNDARY).append(LINE_END);
|
||||
beforeData.append("Content-Disposition: form-data; name=\"").append(key.toString()).append('"');
|
||||
beforeData.append(LINE_END).append(LINE_END);
|
||||
beforeData.append(params.getString(key.toString()));
|
||||
beforeData.append(LINE_END);
|
||||
}
|
||||
}
|
||||
} catch (JSONException e) {
|
||||
Log.e(LOG_TAG, e.getMessage(), e);
|
||||
}
|
||||
|
||||
beforeData.append(LINE_START).append(BOUNDARY).append(LINE_END);
|
||||
beforeData.append("Content-Disposition: form-data; name=\"").append(fileKey).append("\";");
|
||||
beforeData.append(" filename=\"").append(fileName).append('"').append(LINE_END);
|
||||
beforeData.append("Content-Type: ").append(mimeType).append(LINE_END).append(LINE_END);
|
||||
byte[] beforeDataBytes = beforeData.toString().getBytes("UTF-8");
|
||||
byte[] tailParamsBytes = (LINE_END + LINE_START + BOUNDARY + LINE_START + LINE_END).getBytes("UTF-8");
|
||||
|
||||
|
||||
// Get a input stream of the file on the phone
|
||||
InputStream sourceInputStream = getPathFromUri(source);
|
||||
|
||||
int stringLength = beforeDataBytes.length + tailParamsBytes.length;
|
||||
if (sourceInputStream instanceof FileInputStream) {
|
||||
fixedLength = (int) ((FileInputStream)sourceInputStream).getChannel().size() + stringLength;
|
||||
progress.setLengthComputable(true);
|
||||
progress.setTotal(fixedLength);
|
||||
}
|
||||
Log.d(LOG_TAG, "Content Length: " + fixedLength);
|
||||
// setFixedLengthStreamingMode causes and OutOfMemoryException on pre-Froyo devices.
|
||||
// http://code.google.com/p/android/issues/detail?id=3164
|
||||
// It also causes OOM if HTTPS is used, even on newer devices.
|
||||
boolean useChunkedMode = chunkedMode && (Build.VERSION.SDK_INT < Build.VERSION_CODES.FROYO || useHttps);
|
||||
useChunkedMode = useChunkedMode || (fixedLength == -1);
|
||||
|
||||
if (useChunkedMode) {
|
||||
conn.setChunkedStreamingMode(MAX_BUFFER_SIZE);
|
||||
// Although setChunkedStreamingMode sets this header, setting it explicitly here works
|
||||
// around an OutOfMemoryException when using https.
|
||||
conn.setRequestProperty("Transfer-Encoding", "chunked");
|
||||
} else {
|
||||
conn.setFixedLengthStreamingMode(fixedLength);
|
||||
}
|
||||
|
||||
conn.connect();
|
||||
|
||||
OutputStream sendStream = null;
|
||||
try {
|
||||
sendStream = conn.getOutputStream();
|
||||
synchronized (context) {
|
||||
if (context.aborted) {
|
||||
return;
|
||||
}
|
||||
context.currentOutputStream = sendStream;
|
||||
}
|
||||
//We don't want to change encoding, we just want this to write for all Unicode.
|
||||
sendStream.write(beforeDataBytes);
|
||||
totalBytes += beforeDataBytes.length;
|
||||
|
||||
// create a buffer of maximum size
|
||||
int bytesAvailable = sourceInputStream.available();
|
||||
int bufferSize = Math.min(bytesAvailable, MAX_BUFFER_SIZE);
|
||||
byte[] buffer = new byte[bufferSize];
|
||||
|
||||
// read file and write it into form...
|
||||
int bytesRead = sourceInputStream.read(buffer, 0, bufferSize);
|
||||
|
||||
long prevBytesRead = 0;
|
||||
while (bytesRead > 0) {
|
||||
result.setBytesSent(totalBytes);
|
||||
sendStream.write(buffer, 0, bytesRead);
|
||||
totalBytes += bytesRead;
|
||||
if (totalBytes > prevBytesRead + 102400) {
|
||||
prevBytesRead = totalBytes;
|
||||
Log.d(LOG_TAG, "Uploaded " + totalBytes + " of " + fixedLength + " bytes");
|
||||
}
|
||||
bytesAvailable = sourceInputStream.available();
|
||||
bufferSize = Math.min(bytesAvailable, MAX_BUFFER_SIZE);
|
||||
bytesRead = sourceInputStream.read(buffer, 0, bufferSize);
|
||||
|
||||
// Send a progress event.
|
||||
progress.setLoaded(totalBytes);
|
||||
PluginResult progressResult = new PluginResult(PluginResult.Status.OK, progress.toJSONObject());
|
||||
progressResult.setKeepCallback(true);
|
||||
context.sendPluginResult(progressResult);
|
||||
}
|
||||
|
||||
// send multipart form data necessary after file data...
|
||||
sendStream.write(tailParamsBytes);
|
||||
totalBytes += tailParamsBytes.length;
|
||||
sendStream.flush();
|
||||
} finally {
|
||||
safeClose(sourceInputStream);
|
||||
safeClose(sendStream);
|
||||
}
|
||||
context.currentOutputStream = null;
|
||||
Log.d(LOG_TAG, "Sent " + totalBytes + " of " + fixedLength);
|
||||
|
||||
//------------------ read the SERVER RESPONSE
|
||||
String responseString;
|
||||
int responseCode = conn.getResponseCode();
|
||||
Log.d(LOG_TAG, "response code: " + responseCode);
|
||||
Log.d(LOG_TAG, "response headers: " + conn.getHeaderFields());
|
||||
TrackingInputStream inStream = null;
|
||||
try {
|
||||
inStream = getInputStream(conn);
|
||||
synchronized (context) {
|
||||
if (context.aborted) {
|
||||
return;
|
||||
}
|
||||
context.currentInputStream = inStream;
|
||||
}
|
||||
|
||||
ByteArrayOutputStream out = new ByteArrayOutputStream(Math.max(1024, conn.getContentLength()));
|
||||
byte[] buffer = new byte[1024];
|
||||
int bytesRead = 0;
|
||||
// write bytes to file
|
||||
while ((bytesRead = inStream.read(buffer)) > 0) {
|
||||
out.write(buffer, 0, bytesRead);
|
||||
}
|
||||
responseString = out.toString("UTF-8");
|
||||
} finally {
|
||||
context.currentInputStream = null;
|
||||
safeClose(inStream);
|
||||
}
|
||||
|
||||
Log.d(LOG_TAG, "got response from server");
|
||||
Log.d(LOG_TAG, responseString.substring(0, Math.min(256, responseString.length())));
|
||||
|
||||
// send request and retrieve response
|
||||
result.setResponseCode(responseCode);
|
||||
result.setResponse(responseString);
|
||||
|
||||
context.sendPluginResult(new PluginResult(PluginResult.Status.OK, result.toJSONObject()));
|
||||
} catch (FileNotFoundException e) {
|
||||
JSONObject error = createFileTransferError(FILE_NOT_FOUND_ERR, source, target, conn);
|
||||
Log.e(LOG_TAG, error.toString(), e);
|
||||
context.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
|
||||
} catch (IOException e) {
|
||||
JSONObject error = createFileTransferError(CONNECTION_ERR, source, target, conn);
|
||||
Log.e(LOG_TAG, error.toString(), e);
|
||||
Log.e(LOG_TAG, "Failed after uploading " + totalBytes + " of " + fixedLength + " bytes.");
|
||||
context.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
|
||||
} catch (JSONException e) {
|
||||
Log.e(LOG_TAG, e.getMessage(), e);
|
||||
context.sendPluginResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION));
|
||||
} catch (Throwable t) {
|
||||
// Shouldn't happen, but will
|
||||
JSONObject error = createFileTransferError(CONNECTION_ERR, source, target, conn);
|
||||
Log.e(LOG_TAG, error.toString(), t);
|
||||
context.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
|
||||
} finally {
|
||||
synchronized (activeRequests) {
|
||||
activeRequests.remove(objectId);
|
||||
}
|
||||
|
||||
if (conn != null) {
|
||||
// Revert back to the proper verifier and socket factories
|
||||
// Revert back to the proper verifier and socket factories
|
||||
if (trustEveryone && useHttps) {
|
||||
HttpsURLConnection https = (HttpsURLConnection) conn;
|
||||
https.setHostnameVerifier(oldHostnameVerifier);
|
||||
https.setSSLSocketFactory(oldSocketFactory);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private static void safeClose(Closeable stream) {
|
||||
if (stream != null) {
|
||||
try {
|
||||
stream.close();
|
||||
} catch (IOException e) {
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static TrackingInputStream getInputStream(URLConnection conn) throws IOException {
|
||||
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
|
||||
return new DoneHandlerInputStream(conn.getInputStream());
|
||||
}
|
||||
String encoding = conn.getContentEncoding();
|
||||
if (encoding != null && encoding.equalsIgnoreCase("gzip")) {
|
||||
return new TrackingGZIPInputStream(new ExposedGZIPInputStream(conn.getInputStream()));
|
||||
}
|
||||
return new TrackingHTTPInputStream(conn.getInputStream());
|
||||
}
|
||||
|
||||
// always verify the host - don't check for certificate
|
||||
private static final HostnameVerifier DO_NOT_VERIFY = new HostnameVerifier() {
|
||||
public boolean verify(String hostname, SSLSession session) {
|
||||
return true;
|
||||
}
|
||||
};
|
||||
// Create a trust manager that does not validate certificate chains
|
||||
private static final TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
|
||||
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
|
||||
return new java.security.cert.X509Certificate[] {};
|
||||
}
|
||||
|
||||
public void checkClientTrusted(X509Certificate[] chain,
|
||||
String authType) throws CertificateException {
|
||||
}
|
||||
|
||||
public void checkServerTrusted(X509Certificate[] chain,
|
||||
String authType) throws CertificateException {
|
||||
}
|
||||
} };
|
||||
|
||||
/**
|
||||
* This function will install a trust manager that will blindly trust all SSL
|
||||
* certificates. The reason this code is being added is to enable developers
|
||||
* to do development using self signed SSL certificates on their web server.
|
||||
*
|
||||
* The standard HttpsURLConnection class will throw an exception on self
|
||||
* signed certificates if this code is not run.
|
||||
*/
|
||||
private static SSLSocketFactory trustAllHosts(HttpsURLConnection connection) {
|
||||
// Install the all-trusting trust manager
|
||||
SSLSocketFactory oldFactory = connection.getSSLSocketFactory();
|
||||
try {
|
||||
// Install our all trusting manager
|
||||
SSLContext sc = SSLContext.getInstance("TLS");
|
||||
sc.init(null, trustAllCerts, new java.security.SecureRandom());
|
||||
SSLSocketFactory newFactory = sc.getSocketFactory();
|
||||
connection.setSSLSocketFactory(newFactory);
|
||||
} catch (Exception e) {
|
||||
Log.e(LOG_TAG, e.getMessage(), e);
|
||||
}
|
||||
return oldFactory;
|
||||
}
|
||||
|
||||
private static JSONObject createFileTransferError(int errorCode, String source, String target, URLConnection connection) {
|
||||
|
||||
int httpStatus = 0;
|
||||
StringBuilder bodyBuilder = new StringBuilder();
|
||||
String body = null;
|
||||
if (connection != null) {
|
||||
try {
|
||||
if (connection instanceof HttpURLConnection) {
|
||||
httpStatus = ((HttpURLConnection)connection).getResponseCode();
|
||||
InputStream err = ((HttpURLConnection) connection).getErrorStream();
|
||||
if(err != null)
|
||||
{
|
||||
BufferedReader reader = new BufferedReader(new InputStreamReader(err, "UTF-8"));
|
||||
String line = reader.readLine();
|
||||
while(line != null)
|
||||
{
|
||||
bodyBuilder.append(line);
|
||||
line = reader.readLine();
|
||||
if(line != null)
|
||||
bodyBuilder.append('\n');
|
||||
}
|
||||
body = bodyBuilder.toString();
|
||||
}
|
||||
}
|
||||
} catch (IOException e) {
|
||||
Log.w(LOG_TAG, "Error getting HTTP status code from connection.", e);
|
||||
}
|
||||
}
|
||||
|
||||
return createFileTransferError(errorCode, source, target, body, httpStatus);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an error object based on the passed in errorCode
|
||||
* @param errorCode the error
|
||||
* @return JSONObject containing the error
|
||||
*/
|
||||
private static JSONObject createFileTransferError(int errorCode, String source, String target, String body, Integer httpStatus) {
|
||||
JSONObject error = null;
|
||||
try {
|
||||
error = new JSONObject();
|
||||
error.put("code", errorCode);
|
||||
error.put("source", source);
|
||||
error.put("target", target);
|
||||
if(body != null)
|
||||
{
|
||||
error.put("body", body);
|
||||
}
|
||||
if (httpStatus != null) {
|
||||
error.put("http_status", httpStatus);
|
||||
}
|
||||
} catch (JSONException e) {
|
||||
Log.e(LOG_TAG, e.getMessage(), e);
|
||||
}
|
||||
return error;
|
||||
}
|
||||
|
||||
/**
|
||||
* Convenience method to read a parameter from the list of JSON args.
|
||||
* @param args the args passed to the Plugin
|
||||
* @param position the position to retrieve the arg from
|
||||
* @param defaultString the default to be used if the arg does not exist
|
||||
* @return String with the retrieved value
|
||||
*/
|
||||
private static String getArgument(JSONArray args, int position, String defaultString) {
|
||||
String arg = defaultString;
|
||||
if (args.length() >= position) {
|
||||
arg = args.optString(position);
|
||||
if (arg == null || "null".equals(arg)) {
|
||||
arg = defaultString;
|
||||
}
|
||||
}
|
||||
return arg;
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 boolean useHttps = url.getProtocol().equals("https");
|
||||
|
||||
if (!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 {
|
||||
file = getFileFromPath(target);
|
||||
context.targetFile = file;
|
||||
// create needed directories
|
||||
file.getParentFile().mkdirs();
|
||||
|
||||
// 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) url.openConnection();
|
||||
}
|
||||
// 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) url.openConnection();
|
||||
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 = url.openConnection();
|
||||
}
|
||||
|
||||
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();
|
||||
|
||||
Log.d(LOG_TAG, "Download file:" + url);
|
||||
|
||||
FileProgressResult progress = new FileProgressResult();
|
||||
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());
|
||||
}
|
||||
|
||||
FileOutputStream outputStream = null;
|
||||
TrackingInputStream inputStream = null;
|
||||
|
||||
try {
|
||||
inputStream = getInputStream(connection);
|
||||
outputStream = new FileOutputStream(file);
|
||||
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);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Get an input stream based on file path or content:// uri
|
||||
*
|
||||
* @param path foo
|
||||
* @return an input stream
|
||||
* @throws FileNotFoundException
|
||||
*/
|
||||
private InputStream getPathFromUri(String path) throws FileNotFoundException {
|
||||
if (path.startsWith("content:")) {
|
||||
Uri uri = Uri.parse(path);
|
||||
return cordova.getActivity().getContentResolver().openInputStream(uri);
|
||||
}
|
||||
else if (path.startsWith("file://")) {
|
||||
int question = path.indexOf("?");
|
||||
if (question == -1) {
|
||||
return new FileInputStream(path.substring(7));
|
||||
} else {
|
||||
return new FileInputStream(path.substring(7, question));
|
||||
}
|
||||
}
|
||||
else {
|
||||
return new FileInputStream(path);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a File object from the passed in path
|
||||
*
|
||||
* @param path file path
|
||||
* @return file object
|
||||
*/
|
||||
private File getFileFromPath(String path) throws FileNotFoundException {
|
||||
File file;
|
||||
String prefix = "file://";
|
||||
|
||||
if (path.startsWith(prefix)) {
|
||||
file = new File(path.substring(prefix.length()));
|
||||
} else {
|
||||
file = new File(path);
|
||||
}
|
||||
|
||||
if (file.getParent() == null) {
|
||||
throw new FileNotFoundException();
|
||||
}
|
||||
|
||||
return file;
|
||||
}
|
||||
|
||||
/**
|
||||
* Abort an ongoing upload or download.
|
||||
*/
|
||||
private void abort(String objectId) {
|
||||
final RequestContext context;
|
||||
synchronized (activeRequests) {
|
||||
context = activeRequests.remove(objectId);
|
||||
}
|
||||
if (context != null) {
|
||||
File file = context.targetFile;
|
||||
if (file != null) {
|
||||
file.delete();
|
||||
}
|
||||
// Trigger the abort callback immediately to minimize latency between it and abort() being called.
|
||||
JSONObject error = createFileTransferError(ABORTED_ERR, context.source, context.target, null, -1);
|
||||
synchronized (context) {
|
||||
context.sendPluginResult(new PluginResult(PluginResult.Status.ERROR, error));
|
||||
context.aborted = true;
|
||||
}
|
||||
// Closing the streams can block, so execute on a background thread.
|
||||
cordova.getThreadPool().execute(new Runnable() {
|
||||
public void run() {
|
||||
synchronized (context) {
|
||||
safeClose(context.currentInputStream);
|
||||
safeClose(context.currentOutputStream);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user