@Override
public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
- // Store the hit test result.
+ // Get the hit test result.
final WebView.HitTestResult hitTestResult = currentWebView.getHitTestResult();
// Define the URL strings.
// Get the image URL.
imageUrl = hitTestResult.getExtra();
- // Set the image URL as the title of the context menu.
- menu.setHeaderTitle(imageUrl);
+ // Remove the incorrect lint warning below that the image URL might be null.
+ assert imageUrl != null;
+
+ // Set the context menu title.
+ if (imageUrl.startsWith("data:")) { // The image data is contained in within the URL, making it exceedingly long.
+ // Truncate the image URL before making it the title.
+ menu.setHeaderTitle(imageUrl.substring(0, 100));
+ } else { // The image URL does not contain the full image data.
+ // Set the image URL as the title of the context menu.
+ menu.setHeaderTitle(imageUrl);
+ }
// Add an Open in New Tab entry.
menu.add(R.string.open_image_in_new_tab).setOnMenuItemClickListener((MenuItem item) -> {
}
@Override
- public void onSaveWebpage(int saveType, DialogFragment dialogFragment) {
+ public void onSaveWebpage(int saveType, String originalUrlString, DialogFragment dialogFragment) {
// Get the dialog.
Dialog dialog = dialogFragment.getDialog();
EditText urlEditText = dialog.findViewById(R.id.url_edittext);
EditText fileNameEditText = dialog.findViewById(R.id.file_name_edittext);
- // Get the strings from the edit texts.
- saveWebpageUrl = urlEditText.getText().toString();
+ // Store the URL.
+ if ((originalUrlString != null) && originalUrlString.startsWith("data:")) {
+ // Save the original URL.
+ saveWebpageUrl = originalUrlString;
+ } else {
+ // Get the URL from the edit text, which may have been modified.
+ saveWebpageUrl = urlEditText.getText().toString();
+ }
+
+ // Get the file path from the edit text.
saveWebpageFilePath = fileNameEditText.getText().toString();
// Check to see if the storage permission is needed.
case StoragePermissionDialog.SAVE_ARCHIVE:
// Save the webpage archive.
- saveWebpageArchive();
+ saveWebpageArchive(saveWebpageFilePath);
break;
case StoragePermissionDialog.SAVE_IMAGE:
new SaveWebpageImage(this, this, saveWebpageFilePath, currentWebView).execute();
break;
}
+
+ // Reset the strings.
+ saveWebpageUrl = "";
+ saveWebpageFilePath = "";
} else { // The storage permission has not been granted.
// Get the external private directory file.
File externalPrivateDirectoryFile = getExternalFilesDir(null);
case StoragePermissionDialog.SAVE_ARCHIVE:
// Save the webpage archive.
- saveWebpageArchive();
+ saveWebpageArchive(saveWebpageFilePath);
break;
case StoragePermissionDialog.SAVE_IMAGE:
new SaveWebpageImage(this, this, saveWebpageFilePath, currentWebView).execute();
break;
}
+
+ // Reset the strings.
+ saveWebpageUrl = "";
+ saveWebpageFilePath = "";
} else { // The file path is in a public directory.
// Check if the user has previously denied the storage permission.
if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first.
// Display an error snackbar.
Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
}
-
- // Reset the open file path.
- openFilePath = "";
break;
case StoragePermissionDialog.SAVE_URL:
// Display an error snackbar.
Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
}
-
- // Reset the save strings.
- saveWebpageUrl = "";
- saveWebpageFilePath = "";
break;
case StoragePermissionDialog.SAVE_ARCHIVE:
// Check to see if the storage permission was granted. If the dialog was canceled the grant results will be empty.
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { // The storage permission was granted.
// Save the webpage archive.
- saveWebpageArchive();
+ saveWebpageArchive(saveWebpageFilePath);
} else { // The storage permission was not granted.
// Display an error snackbar.
Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
}
-
- // Reset the save webpage file path.
- saveWebpageFilePath = "";
break;
case StoragePermissionDialog.SAVE_IMAGE:
// Display an error snackbar.
Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
}
-
- // Reset the save webpage file path.
- saveWebpageFilePath = "";
break;
}
+
+ // Reset the strings.
+ openFilePath = "";
+ saveWebpageUrl = "";
+ saveWebpageFilePath = "";
}
}
appBarLayout.setExpanded(true);
}
- private void saveWebpageArchive() {
+ private void saveWebpageArchive(String filePath) {
// Save the webpage archive.
- currentWebView.saveWebArchive(saveWebpageFilePath);
+ currentWebView.saveWebArchive(filePath);
// Display a snackbar.
- Snackbar saveWebpageArchiveSnackbar = Snackbar.make(currentWebView, getString(R.string.file_saved) + " " + saveWebpageFilePath, Snackbar.LENGTH_SHORT);
+ Snackbar saveWebpageArchiveSnackbar = Snackbar.make(currentWebView, getString(R.string.file_saved) + " " + filePath, Snackbar.LENGTH_SHORT);
// Add an open option to the snackbar.
saveWebpageArchiveSnackbar.setAction(R.string.open, (View view) -> {
// Get a file for the file name string.
- File file = new File(saveWebpageFilePath);
+ File file = new File(filePath);
// Declare a file URI variable.
Uri fileUri;
// Show the snackbar.
saveWebpageArchiveSnackbar.show();
-
- // Reset the save Webpage file path.
- saveWebpageFilePath = "";
}
private void clearAndExit() {
// Get the URL string.
urlString = urlToSave[0];
- // Define the file name string.
+ // Define the strings.
+ String formattedFileSize;
String fileNameString;
- // Initialize the formatted file size string.
- String formattedFileSize = context.getString(R.string.unknown_size);
+ // Populate the file size and name strings.
+ if (urlString.startsWith("data:")) { // The URL contains the entire data of an image.
+ // Remove `data:` from the beginning of the URL.
+ String urlWithoutData = urlString.substring(5);
- // Because everything relating to requesting data from a webserver can throw errors, the entire section must catch exceptions.
- try {
- // Convert the URL string to a URL.
- URL url = new URL(urlString);
+ // Get the URL MIME type, which end with a `;`.
+ String urlMimeType = urlWithoutData.substring(0, urlWithoutData.indexOf(";"));
- // Instantiate the proxy helper.
- ProxyHelper proxyHelper = new ProxyHelper();
+ // Get the Base64 data, which begins after a `,`.
+ String base64DataString = urlWithoutData.substring(urlWithoutData.indexOf(",") + 1);
- // Get the current proxy.
- Proxy proxy = proxyHelper.getCurrentProxy(context);
+ // Calculate the file size of the data URL. Each Base64 character represents 6 bits.
+ formattedFileSize = NumberFormat.getInstance().format(base64DataString.length() * 3 / 4) + " " + context.getString(R.string.bytes);
- // Open a connection to the URL. No data is actually sent at this point.
- HttpURLConnection httpUrlConnection = (HttpURLConnection) url.openConnection(proxy);
+ // Set the file name according to the MIME type.
+ fileNameString = context.getString(R.string.file) + "." + MimeTypeMap.getSingleton().getExtensionFromMimeType(urlMimeType);
+ } else { // The URL refers to the location of the data.
+ // Initialize the formatted file size string.
+ formattedFileSize = context.getString(R.string.unknown_size);
- // Add the user agent to the header property.
- httpUrlConnection.setRequestProperty("User-Agent", userAgent);
+ // Because everything relating to requesting data from a webserver can throw errors, the entire section must catch exceptions.
+ try {
+ // Convert the URL string to a URL.
+ URL url = new URL(urlString);
- // Add the cookies if they are enabled.
- if (cookiesEnabled) {
- // Get the cookies for the current domain.
- String cookiesString = CookieManager.getInstance().getCookie(url.toString());
+ // Instantiate the proxy helper.
+ ProxyHelper proxyHelper = new ProxyHelper();
- // only add the cookies if they are not null.
- if (cookiesString != null) {
- // Add the cookies to the header property.
- httpUrlConnection.setRequestProperty("Cookie", cookiesString);
- }
- }
+ // Get the current proxy.
+ Proxy proxy = proxyHelper.getCurrentProxy(context);
- // The actual network request is in a `try` bracket so that `disconnect()` is run in the `finally` section even if an error is encountered in the main block.
- try {
- // Get the status code. This initiates a network connection.
- int responseCode = httpUrlConnection.getResponseCode();
-
- // Check the response code.
- if (responseCode >= 400) { // The response code is an error message.
- // Set the formatted file size to indicate a bad URL.
- formattedFileSize = context.getString(R.string.invalid_url);
-
- // Set the file name according to the URL.
- fileNameString = getFileNameFromUrl(context, urlString, null);
- } else { // The response code is not an error message.
- // Get the headers.
- String contentLengthString = httpUrlConnection.getHeaderField("Content-Length");
- String contentDispositionString = httpUrlConnection.getHeaderField("Content-Disposition");
- String contentTypeString = httpUrlConnection.getContentType();
-
- // Remove anything after the MIME type in the content type string.
- if (contentTypeString.contains(";")) {
- // Remove everything beginning with the `;`.
- contentTypeString = contentTypeString.substring(0, contentTypeString.indexOf(";"));
- }
+ // Open a connection to the URL. No data is actually sent at this point.
+ HttpURLConnection httpUrlConnection = (HttpURLConnection) url.openConnection(proxy);
- // Only process the content length string if it isn't null.
- if (contentLengthString != null) {
- // Convert the content length string to a long.
- long fileSize = Long.parseLong(contentLengthString);
+ // Add the user agent to the header property.
+ httpUrlConnection.setRequestProperty("User-Agent", userAgent);
- // Format the file size.
- formattedFileSize = NumberFormat.getInstance().format(fileSize) + " " + context.getString(R.string.bytes);
+ // Add the cookies if they are enabled.
+ if (cookiesEnabled) {
+ // Get the cookies for the current domain.
+ String cookiesString = CookieManager.getInstance().getCookie(url.toString());
+
+ // only add the cookies if they are not null.
+ if (cookiesString != null) {
+ // Add the cookies to the header property.
+ httpUrlConnection.setRequestProperty("Cookie", cookiesString);
}
+ }
- // Get the file name string from the content disposition.
- fileNameString = getFileNameFromHeaders(context, contentDispositionString, contentTypeString, urlString);
+ // The actual network request is in a `try` bracket so that `disconnect()` is run in the `finally` section even if an error is encountered in the main block.
+ try {
+ // Get the status code. This initiates a network connection.
+ int responseCode = httpUrlConnection.getResponseCode();
+
+ // Check the response code.
+ if (responseCode >= 400) { // The response code is an error message.
+ // Set the formatted file size to indicate a bad URL.
+ formattedFileSize = context.getString(R.string.invalid_url);
+
+ // Set the file name according to the URL.
+ fileNameString = getFileNameFromUrl(context, urlString, null);
+ } else { // The response code is not an error message.
+ // Get the headers.
+ String contentLengthString = httpUrlConnection.getHeaderField("Content-Length");
+ String contentDispositionString = httpUrlConnection.getHeaderField("Content-Disposition");
+ String contentTypeString = httpUrlConnection.getContentType();
+
+ // Remove anything after the MIME type in the content type string.
+ if (contentTypeString.contains(";")) {
+ // Remove everything beginning with the `;`.
+ contentTypeString = contentTypeString.substring(0, contentTypeString.indexOf(";"));
+ }
+
+ // Only process the content length string if it isn't null.
+ if (contentLengthString != null) {
+ // Convert the content length string to a long.
+ long fileSize = Long.parseLong(contentLengthString);
+
+ // Format the file size.
+ formattedFileSize = NumberFormat.getInstance().format(fileSize) + " " + context.getString(R.string.bytes);
+ }
+
+ // Get the file name string from the content disposition.
+ fileNameString = getFileNameFromHeaders(context, contentDispositionString, contentTypeString, urlString);
+ }
+ } finally {
+ // Disconnect the HTTP URL connection.
+ httpUrlConnection.disconnect();
}
- } finally {
- // Disconnect the HTTP URL connection.
- httpUrlConnection.disconnect();
- }
- } catch (Exception exception) {
- // Set the formatted file size to indicate a bad URL.
- formattedFileSize = context.getString(R.string.invalid_url);
+ } catch (Exception exception) {
+ // Set the formatted file size to indicate a bad URL.
+ formattedFileSize = context.getString(R.string.invalid_url);
- // Set the file name according to the URL.
- fileNameString = getFileNameFromUrl(context, urlString, null);
+ // Set the file name according to the URL.
+ fileNameString = getFileNameFromUrl(context, urlString, null);
+ }
}
// Return the formatted file size and name as a string array.
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
+import android.util.Base64;
import android.view.View;
import android.webkit.CookieManager;
import android.webkit.MimeTypeMap;
// Define a save disposition string.
String saveDisposition = SUCCESS;
- // Because everything relating to requesting data from a webserver can throw errors, the entire section must catch `IOExceptions`.
try {
- // Get the URL from the calling activity.
- URL url = new URL(urlToSave[0]);
+ // Get the file.
+ File file = new File(filePathString);
- // Instantiate the proxy helper.
- ProxyHelper proxyHelper = new ProxyHelper();
+ // Delete the file if it exists.
+ if (file.exists()) {
+ //noinspection ResultOfMethodCallIgnored
+ file.delete();
+ }
- // Get the current proxy.
- Proxy proxy = proxyHelper.getCurrentProxy(context);
+ // Create a new file.
+ //noinspection ResultOfMethodCallIgnored
+ file.createNewFile();
- // Open a connection to the URL. No data is actually sent at this point.
- HttpURLConnection httpUrlConnection = (HttpURLConnection) url.openConnection(proxy);
+ // Create an output file stream.
+ OutputStream fileOutputStream = new FileOutputStream(file);
- // Add the user agent to the header property.
- httpUrlConnection.setRequestProperty("User-Agent", userAgent);
+ // Save the URL.
+ if (urlToSave[0].startsWith("data:")) { // The URL contains the entire data of an image.
+ // Get the Base64 data, which begins after a `,`.
+ String base64DataString = urlToSave[0].substring(urlToSave[0].indexOf(",") + 1);
- // Add the cookies if they are enabled.
- if (cookiesEnabled) {
- // Get the cookies for the current domain.
- String cookiesString = CookieManager.getInstance().getCookie(url.toString());
+ // Decode the Base64 string to a byte array.
+ byte[] base64DecodedDataByteArray = Base64.decode(base64DataString, Base64.DEFAULT);
- // Only add the cookies if they are not null.
- if (cookiesString != null) {
- // Add the cookies to the header property.
- httpUrlConnection.setRequestProperty("Cookie", cookiesString);
- }
- }
+ // Write the Base64 byte array to the file output stream.
+ fileOutputStream.write(base64DecodedDataByteArray);
- // The actual network request is in a `try` bracket so that `disconnect()` is run in the `finally` section even if an error is encountered in the main block.
- try {
- // Get the content length header, which causes the connection to the server to be made.
- String contentLengthString = httpUrlConnection.getHeaderField("Content-Length");
-
- // Define the file size long.
- long fileSize;
-
- // Make sure the content length isn't null.
- if (contentLengthString != null) { // The content length isn't null.
- // Convert the content length to an long.
- fileSize = Long.parseLong(contentLengthString);
- } else { // The content length is null.
- // Set the file size to be `-1`.
- fileSize = -1;
- }
+ // Close the file output stream.
+ fileOutputStream.close();
+ } else { // The URL points to the data location on the internet.
+ // Get the URL from the calling activity.
+ URL url = new URL(urlToSave[0]);
+
+ // Instantiate the proxy helper.
+ ProxyHelper proxyHelper = new ProxyHelper();
+
+ // Get the current proxy.
+ Proxy proxy = proxyHelper.getCurrentProxy(context);
- // Get the response body stream.
- InputStream inputStream = new BufferedInputStream(httpUrlConnection.getInputStream());
+ // Open a connection to the URL. No data is actually sent at this point.
+ HttpURLConnection httpUrlConnection = (HttpURLConnection) url.openConnection(proxy);
- // Get the file.
- File file = new File(filePathString);
+ // Add the user agent to the header property.
+ httpUrlConnection.setRequestProperty("User-Agent", userAgent);
- // Delete the file if it exists.
- if (file.exists()) {
- //noinspection ResultOfMethodCallIgnored
- file.delete();
+ // Add the cookies if they are enabled.
+ if (cookiesEnabled) {
+ // Get the cookies for the current domain.
+ String cookiesString = CookieManager.getInstance().getCookie(url.toString());
+
+ // Only add the cookies if they are not null.
+ if (cookiesString != null) {
+ // Add the cookies to the header property.
+ httpUrlConnection.setRequestProperty("Cookie", cookiesString);
+ }
}
- // Create a new file.
- //noinspection ResultOfMethodCallIgnored
- file.createNewFile();
+ // The actual network request is in a `try` bracket so that `disconnect()` is run in the `finally` section even if an error is encountered in the main block.
+ try {
+ // Get the content length header, which causes the connection to the server to be made.
+ String contentLengthString = httpUrlConnection.getHeaderField("Content-Length");
+
+ // Define the file size long.
+ long fileSize;
+
+ // Make sure the content length isn't null.
+ if (contentLengthString != null) { // The content length isn't null.
+ // Convert the content length to an long.
+ fileSize = Long.parseLong(contentLengthString);
+ } else { // The content length is null.
+ // Set the file size to be `-1`.
+ fileSize = -1;
+ }
- // Create an output file stream.
- OutputStream outputStream = new FileOutputStream(file);
+ // Get the response body stream.
+ InputStream inputStream = new BufferedInputStream(httpUrlConnection.getInputStream());
- // Initialize the conversion buffer byte array.
- byte[] conversionBufferByteArray = new byte[1024];
+ // Initialize the conversion buffer byte array.
+ byte[] conversionBufferByteArray = new byte[1024];
- // Initialize the downloaded kilobytes counter.
- long downloadedKilobytesCounter = 0;
+ // Initialize the downloaded kilobytes counter.
+ long downloadedKilobytesCounter = 0;
- // Define the buffer length variable.
- int bufferLength;
+ // Define the buffer length variable.
+ int bufferLength;
- // Attempt to read data from the input stream and store it in the output stream. Also store the amount of data read in the buffer length variable.
- while ((bufferLength = inputStream.read(conversionBufferByteArray)) > 0) { // Proceed while the amount of data stored in the buffer in > 0.
- // Write the contents of the conversion buffer to the output stream.
- outputStream.write(conversionBufferByteArray, 0, bufferLength);
+ // Attempt to read data from the input stream and store it in the output stream. Also store the amount of data read in the buffer length variable.
+ while ((bufferLength = inputStream.read(conversionBufferByteArray)) > 0) { // Proceed while the amount of data stored in the buffer in > 0.
+ // Write the contents of the conversion buffer to the file output stream.
+ fileOutputStream.write(conversionBufferByteArray, 0, bufferLength);
- // Update the file download progress snackbar.
- if (fileSize == -1) { // The file size is unknown.
- // Negatively update the downloaded kilobytes counter.
- downloadedKilobytesCounter = downloadedKilobytesCounter - bufferLength;
+ // Update the file download progress snackbar.
+ if (fileSize == -1) { // The file size is unknown.
+ // Negatively update the downloaded kilobytes counter.
+ downloadedKilobytesCounter = downloadedKilobytesCounter - bufferLength;
- publishProgress(downloadedKilobytesCounter);
- } else { // The file size is known.
- // Update the downloaded kilobytes counter.
- downloadedKilobytesCounter = downloadedKilobytesCounter + bufferLength;
+ publishProgress(downloadedKilobytesCounter);
+ } else { // The file size is known.
+ // Update the downloaded kilobytes counter.
+ downloadedKilobytesCounter = downloadedKilobytesCounter + bufferLength;
- // Calculate the download percentage.
- long downloadPercentage = (downloadedKilobytesCounter * 100) / fileSize;
+ // Calculate the download percentage.
+ long downloadPercentage = (downloadedKilobytesCounter * 100) / fileSize;
- // Update the download percentage.
- publishProgress(downloadPercentage);
+ // Update the download percentage.
+ publishProgress(downloadPercentage);
+ }
}
- }
- // Close the input stream.
- inputStream.close();
+ // Close the input stream.
+ inputStream.close();
- // Close the output stream.
- outputStream.close();
+ // Close the file output stream.
+ fileOutputStream.close();
- // Create a media scanner intent, which adds items like pictures to Android's recent file list.
- Intent mediaScannerIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
+ // Create a media scanner intent, which adds items like pictures to Android's recent file list.
+ Intent mediaScannerIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
- // Add the URI to the media scanner intent.
- mediaScannerIntent.setData(Uri.fromFile(file));
+ // Add the URI to the media scanner intent.
+ mediaScannerIntent.setData(Uri.fromFile(file));
- // Make it so.
- activity.sendBroadcast(mediaScannerIntent);
- } finally {
- // Disconnect the HTTP URL connection.
- httpUrlConnection.disconnect();
+ // Make it so.
+ activity.sendBroadcast(mediaScannerIntent);
+ } finally {
+ // Disconnect the HTTP URL connection.
+ httpUrlConnection.disconnect();
+ }
}
} catch (Exception exception) {
// Store the error in the save disposition string.
import android.os.Environment;
import android.provider.DocumentsContract;
import android.text.Editable;
+import android.text.InputType;
import android.text.TextWatcher;
import android.view.View;
import android.view.WindowManager;
// The public interface is used to send information back to the parent activity.
public interface SaveWebpageListener {
- void onSaveWebpage(int saveType, DialogFragment dialogFragment);
+ void onSaveWebpage(int saveType, String originalUrlString, DialogFragment dialogFragment);
}
// Define the get URL size AsyncTask. This allows previous instances of the task to be cancelled if a new one is run.
// Set the save button listener.
dialogBuilder.setPositiveButton(R.string.save, (DialogInterface dialog, int which) -> {
// Return the dialog fragment to the parent activity.
- saveWebpageListener.onSaveWebpage(saveType, this);
+ saveWebpageListener.onSaveWebpage(saveType, urlString, this);
});
// Create an alert dialog from the builder.
// Modify the layout based on the save type.
if (saveType == StoragePermissionDialog.SAVE_URL) { // A URL is being saved.
- // Populate the URL edit text. This must be done before the text change listener is created below so that the file size isn't requested again.
- urlEditText.setText(urlString);
+ // Remove the incorrect lint error below that the URL string might be null.
+ assert urlString != null;
+
+ // Populate the URL edit text according to the type. This must be done before the text change listener is created below so that the file size isn't requested again.
+ if (urlString.startsWith("data:")) { // The URL contains the entire data of an image.
+ // Get a substring of the data URL with the first 100 characters. Otherwise, the user interface will freeze while trying to layout the edit text.
+ String urlSubstring = urlString.substring(0, 100) + "…";
+
+ // Populate the URL edit text with the truncated URL.
+ urlEditText.setText(urlSubstring);
+
+ // Disable the editing of the URL edit text.
+ urlEditText.setInputType(InputType.TYPE_NULL);
+ } else { // The URL contains a reference to the location of the data.
+ // Populate the URL edit text with the full URL.
+ urlEditText.setText(urlString);
+ }
// Update the file size and the status of the save button when the URL changes.
urlEditText.addTextChangedListener(new TextWatcher() {
projects / PrivacyBrowserAndroid.git / commitdiff