@Override public WebResourceResponse shouldInterceptRequest(WebView view, String url) { WebResourceResponse response = super.shouldInterceptRequest(view, url); // Already intercepted (e.g. if url is not whitelisted) if (response != null) { return response; } // Not a localhost request Uri origUri = Uri.parse(url); String host = origUri.getHost(); if (host == null || !host.equals("localhost")) { return null; } // Localhost request try { String localPath = WWW_DIR + origUri.getPath(); // Trying to access file outside assets/www if (!isFileUnder(localPath, WWW_DIR)) { throw new IOException("Trying to access file outside assets/www"); } else { Uri localUri = Uri.parse("file://" + localPath); CordovaResourceApi resourceApi = cordovaWebView.getResourceApi(); OpenForReadResult result = resourceApi.openForRead(localUri, true); Log.i( "SalesforceIceCreamWebViewClient.shouldInterceptRequest", "Loading local file:" + localUri); return new WebResourceResponse(result.mimeType, "UTF-8", result.inputStream); } } catch (IOException e) { Log.e( "SalesforceIceCreamWebViewClient.shouldInterceptRequest", "Invalid localhost url:" + url, e); return new WebResourceResponse("text/plain", "UTF-8", null); } }
/** * Load the specified URL in the Cordova webview or a new browser instance. * * <p>NOTE: If openExternal is false, only URLs listed in whitelist can be loaded. * * @param url The url to load. * @param openExternal Load url in browser instead of Cordova webview. * @param clearHistory Clear the history stack, so new page becomes top of history * @param params Parameters for new app */ public void showWebPage( String url, boolean openExternal, boolean clearHistory, HashMap<String, Object> params) { LOG.d(TAG, "showWebPage(%s, %b, %b, HashMap", url, openExternal, clearHistory); // If clearing history if (clearHistory) { this.clearHistory(); } // If loading into our webview if (!openExternal) { // Make sure url is in whitelist if (url.startsWith("file://") || internalWhitelist.isUrlWhiteListed(url)) { // TODO: What about params? // Load new URL loadUrlIntoView(url, true); return; } // Load in default viewer if not LOG.w( TAG, "showWebPage: Cannot load URL into webview since it is not in white list. Loading into browser instead. (URL=" + url + ")"); } try { // Omitting the MIME type for file: URLs causes "No Activity found to handle Intent". // Adding the MIME type to http: URLs causes them to not be handled by the downloader. Intent intent = new Intent(Intent.ACTION_VIEW); Uri uri = Uri.parse(url); if ("file".equals(uri.getScheme())) { intent.setDataAndType(uri, resourceApi.getMimeType(uri)); } else { intent.setData(uri); } cordova.getActivity().startActivity(intent); } catch (android.content.ActivityNotFoundException e) { LOG.e(TAG, "Error loading url " + url, e); } }
/** * 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 CordovaResourceApi resourceApi = webView.getResourceApi(); final boolean trustEveryone = args.optBoolean(2); final String objectId = args.getString(3); final JSONObject options = args.getJSONObject(4); final JSONObject headers = options.getJSONObject("headers"); final Uri sourceUri = resourceApi.remapUri(Uri.parse(source)); // Accept a path or a URI for the source. Uri tmpTarget = Uri.parse(target); final Uri targetUri = resourceApi.remapUri( tmpTarget.getScheme() != null ? tmpTarget : Uri.fromFile(new File(target))); int uriType = CordovaResourceApi.getUriType(sourceUri); final boolean useHttps = uriType == CordovaResourceApi.URI_TYPE_HTTPS; final boolean isLocalTransfer = !useHttps && uriType != CordovaResourceApi.URI_TYPE_HTTP; if (uriType == CordovaResourceApi.URI_TYPE_UNKNOWN) { JSONObject error = createFileTransferError(INVALID_URL_ERR, source, target, null, 0, null); Log.e(LOG_TAG, "Unsupported URI: " + sourceUri); callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error)); return; } /* This code exists for compatibility between 3.x and 4.x versions of Cordova. * Previously the CordovaWebView class had a method, getWhitelist, which would * return a Whitelist object. Since the fixed whitelist is removed in Cordova 4.x, * the correct call now is to shouldAllowRequest from the plugin manager. */ Boolean shouldAllowRequest = null; if (isLocalTransfer) { shouldAllowRequest = true; } if (shouldAllowRequest == null) { try { Method gwl = webView.getClass().getMethod("getWhitelist"); Whitelist whitelist = (Whitelist) gwl.invoke(webView); shouldAllowRequest = whitelist.isUrlWhiteListed(source); } catch (NoSuchMethodException e) { } catch (IllegalAccessException e) { } catch (InvocationTargetException e) { } } if (shouldAllowRequest == null) { try { Method gpm = webView.getClass().getMethod("getPluginManager"); PluginManager pm = (PluginManager) gpm.invoke(webView); Method san = pm.getClass().getMethod("shouldAllowRequest", String.class); shouldAllowRequest = (Boolean) san.invoke(pm, source); } catch (NoSuchMethodException e) { } catch (IllegalAccessException e) { } catch (InvocationTargetException e) { } } if (!Boolean.TRUE.equals(shouldAllowRequest)) { Log.w(LOG_TAG, "Source URL is not in white list: '" + source + "'"); JSONObject error = createFileTransferError(CONNECTION_ERR, source, target, null, 401, null); 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; } HttpURLConnection connection = null; HostnameVerifier oldHostnameVerifier = null; SSLSocketFactory oldSocketFactory = null; File file = null; Long downloaded = 0L; PluginResult result = null; TrackingInputStream inputStream = null; boolean cached = false; OutputStream outputStream = null; try { OpenForReadResult readResult = null; file = resourceApi.mapUriToFile(targetUri); context.targetFile = file; Log.d(LOG_TAG, "Download file:" + sourceUri); FileProgressResult progress = new FileProgressResult(); if (isLocalTransfer) { readResult = resourceApi.openForRead(sourceUri); if (readResult.length != -1) { progress.setLengthComputable(true); progress.setTotal(readResult.length); } else { progress.setLengthComputable(false); progress.setTotal(-1); } inputStream = new SimpleTrackingInputStream(readResult.inputStream); } else { // connect to server // Open a HTTP connection to the URL based on protocol connection = resourceApi.createHttpConnection(sourceUri); if (useHttps && trustEveryone) { // Setup the HTTPS connection class to trust everyone HttpsURLConnection https = (HttpsURLConnection) connection; oldSocketFactory = trustAllHosts(https); // Save the current hostnameVerifier oldHostnameVerifier = https.getHostnameVerifier(); // Setup the connection not to verify hostnames https.setHostnameVerifier(DO_NOT_VERIFY); } connection.setRequestMethod("GET"); // TODO: Make OkHttp use this CookieManager by default. String cookie = getCookies(sourceUri.toString()); 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); } if (options.getBoolean("resume") && file.exists()) { downloaded = file.length(); connection.setRequestProperty("Range", "bytes=" + downloaded + "-"); } connection.connect(); if (connection.getResponseCode() == HttpURLConnection.HTTP_NOT_MODIFIED) { cached = true; connection.disconnect(); Log.d(LOG_TAG, "Resource not modified: " + source); JSONObject error = createFileTransferError( NOT_MODIFIED_ERR, source, target, connection, null); result = new PluginResult(PluginResult.Status.ERROR, error); } else { if (connection.getContentEncoding() == null || connection.getContentEncoding().equalsIgnoreCase("gzip")) { // Only trust content-length header if we understand // the encoding -- identity or gzip if (connection.getContentLength() != -1) { progress.setLengthComputable(true); progress.setTotal(connection.getContentLength() + downloaded); } else { progress.setLengthComputable(false); progress.setTotal(-1); } } inputStream = getInputStream(connection); } } if (!cached) { try { synchronized (context) { if (context.aborted) { return; } context.connection = connection; } // write bytes to file byte[] buffer = new byte[MAX_BUFFER_SIZE]; int bytesRead = 0; boolean append = downloaded > 0; outputStream = resourceApi.openOutputStream(targetUri, append); while ((bytesRead = inputStream.read(buffer)) > 0) { outputStream.write(buffer, 0, bytesRead); // Send a progress event. progress.setLoaded(inputStream.getTotalRawBytesRead() + downloaded); PluginResult progressResult = new PluginResult(PluginResult.Status.OK, progress.toJSONObject()); progressResult.setKeepCallback(true); context.sendPluginResult(progressResult); } } catch (IOException e) { outputStream.flush(); } finally { synchronized (context) { context.connection = null; } safeClose(inputStream); safeClose(outputStream); } Log.d(LOG_TAG, "Saved file: " + target); // create FileEntry object Class webViewClass = webView.getClass(); PluginManager pm = null; try { Method gpm = webViewClass.getMethod("getPluginManager"); pm = (PluginManager) gpm.invoke(webView); } catch (NoSuchMethodException e) { } catch (IllegalAccessException e) { } catch (InvocationTargetException e) { } if (pm == null) { try { Field pmf = webViewClass.getField("pluginManager"); pm = (PluginManager) pmf.get(webView); } catch (NoSuchFieldException e) { } catch (IllegalAccessException e) { } } file = resourceApi.mapUriToFile(targetUri); context.targetFile = file; FileUtils filePlugin = (FileUtils) pm.getPlugin("File"); if (filePlugin != null) { JSONObject fileEntry = filePlugin.getEntryForFile(file); if (fileEntry != null) { result = new PluginResult(PluginResult.Status.OK, fileEntry); } else { JSONObject error = createFileTransferError( CONNECTION_ERR, source, target, connection, null); Log.e(LOG_TAG, "File plugin cannot represent download path"); result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error); } } else { Log.e(LOG_TAG, "File plugin not found; cannot save downloaded file"); result = new PluginResult( PluginResult.Status.ERROR, "File plugin not found; cannot save downloaded file"); } } } catch (FileNotFoundException e) { JSONObject error = createFileTransferError(FILE_NOT_FOUND_ERR, source, target, connection, e); 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, e); 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, e); 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, null)); } // Remove incomplete download. if (!cached && result.getStatus() != PluginResult.Status.OK.ordinal() && file != null) { file.delete(); } context.sendPluginResult(result); } } }); }
/** * Uploads the specified file to the server URL provided using an HTTP multipart request. * * @param source Full path of the file on the file system * @param target URL of the server to receive the file * @param args JSON Array of args * @param callbackContext callback id for optional progress reports * <p>args[2] fileKey Name of file request parameter args[3] fileName File name to be used on * server args[4] mimeType Describes file content type args[5] params key:value pairs of * user-defined parameters * @return FileUploadResult containing result of upload request */ private void upload( final String source, final String target, JSONArray args, CallbackContext callbackContext) throws JSONException { Log.d(LOG_TAG, "upload " + source + " to " + target); // Setup the options final String fileKey = getArgument(args, 2, "file"); final String fileName = getArgument(args, 3, "image.jpg"); final String mimeType = getArgument(args, 4, "image/jpeg"); final JSONObject params = args.optJSONObject(5) == null ? new JSONObject() : args.optJSONObject(5); final boolean trustEveryone = args.optBoolean(6); // Always use chunked mode unless set to false as per API final boolean chunkedMode = args.optBoolean(7) || args.isNull(7); // Look for headers on the params map for backwards compatibility with older Cordova versions. final JSONObject headers = args.optJSONObject(8) == null ? params.optJSONObject("headers") : args.optJSONObject(8); final String objectId = args.getString(9); final String httpMethod = getArgument(args, 10, "POST"); final CordovaResourceApi resourceApi = webView.getResourceApi(); Log.d(LOG_TAG, "fileKey: " + fileKey); Log.d(LOG_TAG, "fileName: " + fileName); Log.d(LOG_TAG, "mimeType: " + mimeType); Log.d(LOG_TAG, "params: " + params); Log.d(LOG_TAG, "trustEveryone: " + trustEveryone); Log.d(LOG_TAG, "chunkedMode: " + chunkedMode); Log.d(LOG_TAG, "headers: " + headers); Log.d(LOG_TAG, "objectId: " + objectId); Log.d(LOG_TAG, "httpMethod: " + httpMethod); final Uri targetUri = resourceApi.remapUri(Uri.parse(target)); // Accept a path or a URI for the source. Uri tmpSrc = Uri.parse(source); final Uri sourceUri = resourceApi.remapUri(tmpSrc.getScheme() != null ? tmpSrc : Uri.fromFile(new File(source))); int uriType = CordovaResourceApi.getUriType(targetUri); final boolean useHttps = uriType == CordovaResourceApi.URI_TYPE_HTTPS; if (uriType != CordovaResourceApi.URI_TYPE_HTTP && !useHttps) { JSONObject error = createFileTransferError(INVALID_URL_ERR, source, target, null, 0, null); Log.e(LOG_TAG, "Unsupported URI: " + targetUri); 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; } HttpURLConnection conn = null; HostnameVerifier oldHostnameVerifier = null; SSLSocketFactory oldSocketFactory = null; int totalBytes = 0; int fixedLength = -1; try { // Create return object FileUploadResult result = new FileUploadResult(); FileProgressResult progress = new FileProgressResult(); // ------------------ CLIENT REQUEST // Open a HTTP connection to the URL based on protocol conn = resourceApi.createHttpConnection(targetUri); if (useHttps && trustEveryone) { // Setup the HTTPS connection class to trust everyone HttpsURLConnection https = (HttpsURLConnection) conn; oldSocketFactory = trustAllHosts(https); // Save the current hostnameVerifier oldHostnameVerifier = https.getHostnameVerifier(); // Setup the connection not to verify hostnames https.setHostnameVerifier(DO_NOT_VERIFY); } // Allow Inputs conn.setDoInput(true); // Allow Outputs conn.setDoOutput(true); // Don't use a cached copy. conn.setUseCaches(false); // Use a post method. conn.setRequestMethod(httpMethod); // if we specified a Content-Type header, don't do multipart form upload boolean multipartFormUpload = (headers == null) || !headers.has("Content-Type"); if (multipartFormUpload) { conn.setRequestProperty( "Content-Type", "multipart/form-data; boundary=" + BOUNDARY); } // Set the cookies on the response String cookie = getCookies(target); if (cookie != null) { conn.setRequestProperty("Cookie", cookie); } // Handle the other headers if (headers != null) { addHeadersToRequest(conn, headers); } /* * 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 OpenForReadResult readResult = resourceApi.openForRead(sourceUri); int stringLength = beforeDataBytes.length + tailParamsBytes.length; if (readResult.length >= 0) { fixedLength = (int) readResult.length; if (multipartFormUpload) fixedLength += 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.connection = conn; } if (multipartFormUpload) { // 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 = readResult.inputStream.available(); int bufferSize = Math.min(bytesAvailable, MAX_BUFFER_SIZE); byte[] buffer = new byte[bufferSize]; // read file and write it into form... int bytesRead = readResult.inputStream.read(buffer, 0, bufferSize); long prevBytesRead = 0; while (bytesRead > 0) { totalBytes += bytesRead; result.setBytesSent(totalBytes); sendStream.write(buffer, 0, bytesRead); if (totalBytes > prevBytesRead + 102400) { prevBytesRead = totalBytes; Log.d(LOG_TAG, "Uploaded " + totalBytes + " of " + fixedLength + " bytes"); } bytesAvailable = readResult.inputStream.available(); bufferSize = Math.min(bytesAvailable, MAX_BUFFER_SIZE); bytesRead = readResult.inputStream.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); } if (multipartFormUpload) { // send multipart form data necessary after file data... sendStream.write(tailParamsBytes); totalBytes += tailParamsBytes.length; } sendStream.flush(); } finally { safeClose(readResult.inputStream); safeClose(sendStream); } synchronized (context) { context.connection = 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.connection = conn; } 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 { synchronized (context) { context.connection = 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, e); 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, e); 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, t); 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); } } } } }); }