mirror of
https://github.com/topjohnwu/Magisk.git
synced 2025-12-29 14:14:10 -08:00
Separate stub Magisk Manager to a module
This commit is contained in:
topjohnwu
7
shared/src/main/java/a/p.java
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7
shared/src/main/java/a/p.java
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@@ -0,0 +1,7 @@
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package a;
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import com.topjohnwu.magisk.utils.FileProvider;
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public class p extends FileProvider {
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/* Stub */
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}
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@@ -0,0 +1,23 @@
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package com.topjohnwu.magisk.utils;
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import android.content.Context;
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import android.content.Intent;
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import android.net.Uri;
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import android.os.Build;
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import java.io.File;
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public class APKInstall {
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public static void install(Context c, File apk) {
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Intent install = new Intent(Intent.ACTION_INSTALL_PACKAGE);
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install.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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install.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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install.setData(FileProvider.getUriForFile(c, c.getPackageName() + ".provider", apk));
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} else {
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apk.setReadable(true, false);
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install.setData(Uri.fromFile(apk));
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}
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c.startActivity(install);
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}
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}
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@@ -0,0 +1,412 @@
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package com.topjohnwu.magisk.utils;
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import android.content.ContentProvider;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.content.pm.ProviderInfo;
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import android.content.res.XmlResourceParser;
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import android.database.Cursor;
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import android.database.MatrixCursor;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Environment;
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import android.os.ParcelFileDescriptor;
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import android.provider.OpenableColumns;
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import android.text.TextUtils;
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import android.webkit.MimeTypeMap;
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import org.xmlpull.v1.XmlPullParserException;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT;
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import static org.xmlpull.v1.XmlPullParser.START_TAG;
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/**
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* Modified from androidx.core.content.FileProvider
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*/
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public class FileProvider extends ContentProvider {
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private static final String[] COLUMNS = {
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OpenableColumns.DISPLAY_NAME, OpenableColumns.SIZE };
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private static final String
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META_DATA_FILE_PROVIDER_PATHS = "android.support.FILE_PROVIDER_PATHS";
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private static final String TAG_ROOT_PATH = "root-path";
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private static final String TAG_FILES_PATH = "files-path";
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private static final String TAG_CACHE_PATH = "cache-path";
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private static final String TAG_EXTERNAL = "external-path";
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private static final String TAG_EXTERNAL_FILES = "external-files-path";
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private static final String TAG_EXTERNAL_CACHE = "external-cache-path";
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private static final String TAG_EXTERNAL_MEDIA = "external-media-path";
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private static final String ATTR_NAME = "name";
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private static final String ATTR_PATH = "path";
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private static final File DEVICE_ROOT = new File("/");
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private static HashMap<String, PathStrategy> sCache = new HashMap<>();
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private PathStrategy mStrategy;
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@Override
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public boolean onCreate() {
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return true;
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}
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@Override
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public void attachInfo(Context context, ProviderInfo info) {
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super.attachInfo(context, info);
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if (info.exported) {
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throw new SecurityException("Provider must not be exported");
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}
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if (!info.grantUriPermissions) {
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throw new SecurityException("Provider must grant uri permissions");
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}
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mStrategy = getPathStrategy(context, info.authority);
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}
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public static Uri getUriForFile(Context context, String authority,
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File file) {
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final PathStrategy strategy = getPathStrategy(context, authority);
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return strategy.getUriForFile(file);
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}
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@Override
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public Cursor query(Uri uri, String[] projection, String selection,
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String[] selectionArgs,
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String sortOrder) {
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final File file = mStrategy.getFileForUri(uri);
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if (projection == null) {
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projection = COLUMNS;
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}
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String[] cols = new String[projection.length];
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Object[] values = new Object[projection.length];
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int i = 0;
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for (String col : projection) {
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if (OpenableColumns.DISPLAY_NAME.equals(col)) {
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cols[i] = OpenableColumns.DISPLAY_NAME;
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values[i++] = file.getName();
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} else if (OpenableColumns.SIZE.equals(col)) {
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cols[i] = OpenableColumns.SIZE;
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values[i++] = file.length();
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}
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}
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cols = copyOf(cols, i);
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values = copyOf(values, i);
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final MatrixCursor cursor = new MatrixCursor(cols, 1);
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cursor.addRow(values);
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return cursor;
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}
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@Override
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public String getType(Uri uri) {
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final File file = mStrategy.getFileForUri(uri);
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final int lastDot = file.getName().lastIndexOf('.');
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if (lastDot >= 0) {
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final String extension = file.getName().substring(lastDot + 1);
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final String mime = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
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if (mime != null) {
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return mime;
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}
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}
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return "application/octet-stream";
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}
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@Override
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public Uri insert(Uri uri, ContentValues values) {
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throw new UnsupportedOperationException("No external inserts");
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}
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@Override
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public int update(Uri uri, ContentValues values, String selection,
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String[] selectionArgs) {
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throw new UnsupportedOperationException("No external updates");
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}
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@Override
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public int delete(Uri uri, String selection,
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String[] selectionArgs) {
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final File file = mStrategy.getFileForUri(uri);
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return file.delete() ? 1 : 0;
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}
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@Override
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public ParcelFileDescriptor openFile(Uri uri, String mode)
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throws FileNotFoundException {
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final File file = mStrategy.getFileForUri(uri);
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final int fileMode = modeToMode(mode);
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return ParcelFileDescriptor.open(file, fileMode);
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}
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private static PathStrategy getPathStrategy(Context context, String authority) {
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PathStrategy strat;
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synchronized (sCache) {
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strat = sCache.get(authority);
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if (strat == null) {
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try {
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strat = parsePathStrategy(context, authority);
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} catch (IOException e) {
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throw new IllegalArgumentException(
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"Failed to parse " + META_DATA_FILE_PROVIDER_PATHS + " meta-data", e);
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} catch (XmlPullParserException e) {
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throw new IllegalArgumentException(
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"Failed to parse " + META_DATA_FILE_PROVIDER_PATHS + " meta-data", e);
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}
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sCache.put(authority, strat);
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}
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}
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return strat;
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}
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private static PathStrategy parsePathStrategy(Context context, String authority)
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throws IOException, XmlPullParserException {
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final SimplePathStrategy strat = new SimplePathStrategy(authority);
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final ProviderInfo info = context.getPackageManager()
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.resolveContentProvider(authority, PackageManager.GET_META_DATA);
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final XmlResourceParser in = info.loadXmlMetaData(
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context.getPackageManager(), META_DATA_FILE_PROVIDER_PATHS);
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if (in == null) {
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throw new IllegalArgumentException(
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"Missing " + META_DATA_FILE_PROVIDER_PATHS + " meta-data");
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}
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int type;
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while ((type = in.next()) != END_DOCUMENT) {
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if (type == START_TAG) {
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final String tag = in.getName();
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final String name = in.getAttributeValue(null, ATTR_NAME);
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String path = in.getAttributeValue(null, ATTR_PATH);
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File target = null;
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if (TAG_ROOT_PATH.equals(tag)) {
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target = DEVICE_ROOT;
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} else if (TAG_FILES_PATH.equals(tag)) {
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target = context.getFilesDir();
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} else if (TAG_CACHE_PATH.equals(tag)) {
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target = context.getCacheDir();
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} else if (TAG_EXTERNAL.equals(tag)) {
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target = Environment.getExternalStorageDirectory();
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} else if (TAG_EXTERNAL_FILES.equals(tag)) {
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File[] externalFilesDirs = getExternalFilesDirs(context, null);
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if (externalFilesDirs.length > 0) {
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target = externalFilesDirs[0];
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}
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} else if (TAG_EXTERNAL_CACHE.equals(tag)) {
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File[] externalCacheDirs = getExternalCacheDirs(context);
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if (externalCacheDirs.length > 0) {
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target = externalCacheDirs[0];
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}
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} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP
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&& TAG_EXTERNAL_MEDIA.equals(tag)) {
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File[] externalMediaDirs = context.getExternalMediaDirs();
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if (externalMediaDirs.length > 0) {
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target = externalMediaDirs[0];
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}
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}
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if (target != null) {
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strat.addRoot(name, buildPath(target, path));
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}
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}
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}
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return strat;
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}
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interface PathStrategy {
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Uri getUriForFile(File file);
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File getFileForUri(Uri uri);
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}
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static class SimplePathStrategy implements PathStrategy {
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private final String mAuthority;
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private final HashMap<String, File> mRoots = new HashMap<>();
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SimplePathStrategy(String authority) {
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mAuthority = authority;
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}
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void addRoot(String name, File root) {
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if (TextUtils.isEmpty(name)) {
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throw new IllegalArgumentException("Name must not be empty");
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}
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try {
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root = root.getCanonicalFile();
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} catch (IOException e) {
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throw new IllegalArgumentException(
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"Failed to resolve canonical path for " + root, e);
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}
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mRoots.put(name, root);
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}
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@Override
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public Uri getUriForFile(File file) {
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String path;
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try {
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path = file.getCanonicalPath();
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} catch (IOException e) {
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throw new IllegalArgumentException("Failed to resolve canonical path for " + file);
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}
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Map.Entry<String, File> mostSpecific = null;
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for (Map.Entry<String, File> root : mRoots.entrySet()) {
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final String rootPath = root.getValue().getPath();
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if (path.startsWith(rootPath) && (mostSpecific == null
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|| rootPath.length() > mostSpecific.getValue().getPath().length())) {
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mostSpecific = root;
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}
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}
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if (mostSpecific == null) {
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throw new IllegalArgumentException(
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"Failed to find configured root that contains " + path);
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}
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final String rootPath = mostSpecific.getValue().getPath();
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if (rootPath.endsWith("/")) {
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path = path.substring(rootPath.length());
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} else {
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path = path.substring(rootPath.length() + 1);
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}
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path = Uri.encode(mostSpecific.getKey()) + '/' + Uri.encode(path, "/");
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return new Uri.Builder().scheme("content")
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.authority(mAuthority).encodedPath(path).build();
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}
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@Override
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public File getFileForUri(Uri uri) {
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String path = uri.getEncodedPath();
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final int splitIndex = path.indexOf('/', 1);
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final String tag = Uri.decode(path.substring(1, splitIndex));
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path = Uri.decode(path.substring(splitIndex + 1));
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final File root = mRoots.get(tag);
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if (root == null) {
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throw new IllegalArgumentException("Unable to find configured root for " + uri);
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}
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File file = new File(root, path);
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try {
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file = file.getCanonicalFile();
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} catch (IOException e) {
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throw new IllegalArgumentException("Failed to resolve canonical path for " + file);
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}
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if (!file.getPath().startsWith(root.getPath())) {
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throw new SecurityException("Resolved path jumped beyond configured root");
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}
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return file;
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}
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}
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private static int modeToMode(String mode) {
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int modeBits;
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if ("r".equals(mode)) {
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modeBits = ParcelFileDescriptor.MODE_READ_ONLY;
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} else if ("w".equals(mode) || "wt".equals(mode)) {
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modeBits = ParcelFileDescriptor.MODE_WRITE_ONLY
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| ParcelFileDescriptor.MODE_CREATE
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| ParcelFileDescriptor.MODE_TRUNCATE;
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} else if ("wa".equals(mode)) {
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modeBits = ParcelFileDescriptor.MODE_WRITE_ONLY
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| ParcelFileDescriptor.MODE_CREATE
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| ParcelFileDescriptor.MODE_APPEND;
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} else if ("rw".equals(mode)) {
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modeBits = ParcelFileDescriptor.MODE_READ_WRITE
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| ParcelFileDescriptor.MODE_CREATE;
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} else if ("rwt".equals(mode)) {
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modeBits = ParcelFileDescriptor.MODE_READ_WRITE
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| ParcelFileDescriptor.MODE_CREATE
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| ParcelFileDescriptor.MODE_TRUNCATE;
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} else {
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throw new IllegalArgumentException("Invalid mode: " + mode);
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}
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return modeBits;
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}
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private static File buildPath(File base, String... segments) {
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File cur = base;
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for (String segment : segments) {
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if (segment != null) {
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cur = new File(cur, segment);
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}
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}
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return cur;
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}
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private static String[] copyOf(String[] original, int newLength) {
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final String[] result = new String[newLength];
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System.arraycopy(original, 0, result, 0, newLength);
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return result;
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}
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private static Object[] copyOf(Object[] original, int newLength) {
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final Object[] result = new Object[newLength];
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System.arraycopy(original, 0, result, 0, newLength);
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return result;
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}
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private static File[] getExternalFilesDirs(Context context, String type) {
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if (Build.VERSION.SDK_INT >= 19) {
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return context.getExternalFilesDirs(type);
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} else {
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return new File[] { context.getExternalFilesDir(type) };
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}
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}
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private static File[] getExternalCacheDirs(Context context) {
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if (Build.VERSION.SDK_INT >= 19) {
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return context.getExternalCacheDirs();
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} else {
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return new File[] { context.getExternalCacheDir() };
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}
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}
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}
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Reference in New Issue
Block a user