diff options
Diffstat (limited to 'src/de/blinkt/openvpn/FileProvider.java')
-rw-r--r-- | src/de/blinkt/openvpn/FileProvider.java | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/src/de/blinkt/openvpn/FileProvider.java b/src/de/blinkt/openvpn/FileProvider.java deleted file mode 100644 index e86b544f..00000000 --- a/src/de/blinkt/openvpn/FileProvider.java +++ /dev/null @@ -1,157 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * Licensed 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 - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * 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 under the License. - */ - -package de.blinkt.openvpn; - -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.InputStream; - -import android.content.ContentProvider; -import android.content.ContentProvider.PipeDataWriter; -import android.content.ContentValues; -import android.content.res.AssetFileDescriptor; -import android.database.Cursor; -import android.database.MatrixCursor; -import android.net.Uri; -import android.os.Bundle; -import android.os.ParcelFileDescriptor; -import android.provider.OpenableColumns; -import android.util.Log; - -/** - * A very simple content provider that can serve arbitrary asset files from - * our .apk. - */ -public class FileProvider extends ContentProvider -implements PipeDataWriter<InputStream> { - @Override - public boolean onCreate() { - return true; - } - - @Override - public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, - String sortOrder) { - try { - File dumpfile = getFileFromURI(uri); - - - MatrixCursor c = new MatrixCursor(projection); - - Object[] row = new Object[projection.length]; - int i=0; - for (String r:projection) { - if(r.equals(OpenableColumns.SIZE)) - row[i] = dumpfile.length(); - if(r.equals(OpenableColumns.DISPLAY_NAME)) - row[i] = dumpfile.getName(); - i++; - } - c.addRow(row); - return c; - } catch (FileNotFoundException e) { - e.printStackTrace(); - return null; - } - - - } - - @Override - public Uri insert(Uri uri, ContentValues values) { - // Don't support inserts. - return null; - } - - @Override - public int delete(Uri uri, String selection, String[] selectionArgs) { - // Don't support deletes. - return 0; - } - - @Override - public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { - // Don't support updates. - return 0; - } - - @Override - public String getType(Uri uri) { - // For this sample, assume all files are .apks. - return "application/octet-stream"; - } - - @Override - public AssetFileDescriptor openAssetFile(Uri uri, String mode) throws FileNotFoundException { - File dumpfile = getFileFromURI(uri); - - try { - - InputStream is = new FileInputStream(dumpfile); - // Start a new thread that pipes the stream data back to the caller. - return new AssetFileDescriptor( - openPipeHelper(uri, null, null, is, this), 0, - dumpfile.length()); - } catch (IOException e) { - FileNotFoundException fnf = new FileNotFoundException("Unable to open minidump " + uri); - throw fnf; - } - } - - private File getFileFromURI(Uri uri) throws FileNotFoundException { - // Try to open an asset with the given name. - String path = uri.getPath(); - if(path.startsWith("/")) - path = path.replaceFirst("/", ""); - - // I think this already random enough, no need for magic secure cookies - // 1f9563a4-a1f5-2165-255f2219-111823ef.dmp - if (!path.matches("^[0-9a-z-.]*(dmp|dmp.log)$")) - throw new FileNotFoundException("url not in expect format " + uri); - File cachedir = getContext().getCacheDir(); - File dumpfile = new File(cachedir,path); - return dumpfile; - } - - @Override - public void writeDataToPipe(ParcelFileDescriptor output, Uri uri, String mimeType, - Bundle opts, InputStream args) { - // Transfer data from the asset to the pipe the client is reading. - byte[] buffer = new byte[8192]; - int n; - FileOutputStream fout = new FileOutputStream(output.getFileDescriptor()); - try { - while ((n=args.read(buffer)) >= 0) { - fout.write(buffer, 0, n); - } - } catch (IOException e) { - Log.i("OpenVPNFileProvider", "Failed transferring", e); - } finally { - try { - args.close(); - } catch (IOException e) { - } - try { - fout.close(); - } catch (IOException e) { - } - } - } -} |