/*
- * Copyright © 2020 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2020-2021 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
import androidx.fragment.app.FragmentManager;
import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.dialogs.SaveWebpageDialog;
+import com.stoutner.privacybrowser.activities.MainWebViewActivity;
+import com.stoutner.privacybrowser.dataclasses.PendingDialog;
+import com.stoutner.privacybrowser.dialogs.SaveDialog;
import com.stoutner.privacybrowser.helpers.ProxyHelper;
import java.lang.ref.WeakReference;
public class PrepareSaveDialog extends AsyncTask<String, Void, String[]> {
// Define weak references.
- private WeakReference<Activity> activityWeakReference;
- private WeakReference<Context> contextWeakReference;
- private WeakReference<FragmentManager> fragmentManagerWeakReference;
+ private
final WeakReference<Activity> activityWeakReference;
+ private final WeakReference<Context> contextWeakReference;
+ private final WeakReference<FragmentManager> fragmentManagerWeakReference;
// Define the class variables.
- private int saveType;
- private String userAgent;
- private boolean cookiesEnabled;
+ private final String userAgent;
+ private final boolean cookiesEnabled;
private String urlString;
// The public constructor.
- public PrepareSaveDialog(Activity activity, Context context, FragmentManager fragmentManager, int saveType, String userAgent, boolean cookiesEnabled) {
+ public PrepareSaveDialog(Activity activity, Context context, FragmentManager fragmentManager, String userAgent, boolean cookiesEnabled) {
// Populate the weak references.
activityWeakReference = new WeakReference<>(activity);
contextWeakReference = new WeakReference<>(context);
fragmentManagerWeakReference = new WeakReference<>(fragmentManager);
// Store the class variables.
- this.saveType = saveType;
this.userAgent = userAgent;
this.cookiesEnabled = cookiesEnabled;
}
// 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 ends 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() * 3L / 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.
}
// Instantiate the save dialog.
- DialogFragment saveDialogFragment = SaveWebpageDialog.saveWebpage(saveType, urlString, fileStringArray[0], fileStringArray[1], userAgent, cookiesEnabled);
+ DialogFragment saveDialogFragment = SaveDialog.saveUrl(urlString, fileStringArray[0], fileStringArray[1], userAgent, cookiesEnabled);
- // Show the save dialog. It must be named `save_dialog` so that the file picker can update the file name.
- saveDialogFragment.show(fragmentManager, activity.getString(R.string.save_dialog));
+ // Try to show the dialog. Sometimes the window is not active.
+ try {
+ // Show the save dialog. It must be named `save_dialog` so that the file picker can update the file name.
+ saveDialogFragment.show(fragmentManager, activity.getString(R.string.save_dialog));
+ } catch (Exception exception) {
+ // Add the dialog to the pending dialog array list. It will be displayed in `onStart()`.
+ MainWebViewActivity.pendingDialogsArrayList.add(new PendingDialog(saveDialogFragment, activity.getString(R.string.save_dialog)));
+ }
}
// Content dispositions can contain other text besides the file name, and they can be in any order.
projects / PrivacyBrowserAndroid.git / blobdiff