303 lines
13 KiB
Java
303 lines
13 KiB
Java
package androidx.core.content;
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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.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.Environment;
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import android.os.ParcelFileDescriptor;
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import android.text.TextUtils;
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import android.webkit.MimeTypeMap;
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import androidx.annotation.GuardedBy;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import c.d.b.a.a;
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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 org.xmlpull.v1.XmlPullParserException;
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public class FileProvider extends ContentProvider {
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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 String[] COLUMNS = {"_display_name", "_size"};
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private static final File DEVICE_ROOT = new File("/");
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private static final String META_DATA_FILE_PROVIDER_PATHS = "android.support.FILE_PROVIDER_PATHS";
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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_CACHE = "external-cache-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_MEDIA = "external-media-path";
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private static final String TAG_FILES_PATH = "files-path";
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private static final String TAG_ROOT_PATH = "root-path";
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@GuardedBy("sCache")
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private static HashMap<String, PathStrategy> sCache = new HashMap<>();
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private PathStrategy mStrategy;
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public interface PathStrategy {
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File getFileForUri(Uri uri);
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Uri getUriForFile(File file);
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}
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public 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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public SimplePathStrategy(String str) {
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this.mAuthority = str;
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}
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public void addRoot(String str, File file) {
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if (!TextUtils.isEmpty(str)) {
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try {
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this.mRoots.put(str, file.getCanonicalFile());
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} catch (IOException e) {
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throw new IllegalArgumentException("Failed to resolve canonical path for " + file, e);
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}
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} else {
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throw new IllegalArgumentException("Name must not be empty");
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}
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}
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@Override // androidx.core.content.FileProvider.PathStrategy
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public File getFileForUri(Uri uri) {
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String encodedPath = uri.getEncodedPath();
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int indexOf = encodedPath.indexOf(47, 1);
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String decode = Uri.decode(encodedPath.substring(1, indexOf));
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String decode2 = Uri.decode(encodedPath.substring(indexOf + 1));
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File file = this.mRoots.get(decode);
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if (file != null) {
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File file2 = new File(file, decode2);
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try {
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File canonicalFile = file2.getCanonicalFile();
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if (canonicalFile.getPath().startsWith(file.getPath())) {
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return canonicalFile;
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}
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throw new SecurityException("Resolved path jumped beyond configured root");
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} catch (IOException unused) {
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throw new IllegalArgumentException("Failed to resolve canonical path for " + file2);
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}
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} else {
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throw new IllegalArgumentException("Unable to find configured root for " + uri);
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}
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}
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@Override // androidx.core.content.FileProvider.PathStrategy
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public Uri getUriForFile(File file) {
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try {
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String canonicalPath = file.getCanonicalPath();
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Map.Entry<String, File> entry = null;
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for (Map.Entry<String, File> entry2 : this.mRoots.entrySet()) {
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String path = entry2.getValue().getPath();
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if (canonicalPath.startsWith(path) && (entry == null || path.length() > entry.getValue().getPath().length())) {
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entry = entry2;
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}
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}
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if (entry != null) {
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String path2 = entry.getValue().getPath();
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String substring = path2.endsWith("/") ? canonicalPath.substring(path2.length()) : canonicalPath.substring(path2.length() + 1);
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return new Uri.Builder().scheme("content").authority(this.mAuthority).encodedPath(Uri.encode(entry.getKey()) + '/' + Uri.encode(substring, "/")).build();
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}
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throw new IllegalArgumentException(a.t("Failed to find configured root that contains ", canonicalPath));
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} catch (IOException unused) {
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throw new IllegalArgumentException("Failed to resolve canonical path for " + file);
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}
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}
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}
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private static File buildPath(File file, String... strArr) {
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for (String str : strArr) {
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if (str != null) {
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file = new File(file, str);
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}
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}
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return file;
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}
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private static Object[] copyOf(Object[] objArr, int i) {
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Object[] objArr2 = new Object[i];
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System.arraycopy(objArr, 0, objArr2, 0, i);
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return objArr2;
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}
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private static String[] copyOf(String[] strArr, int i) {
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String[] strArr2 = new String[i];
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System.arraycopy(strArr, 0, strArr2, 0, i);
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return strArr2;
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}
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private static PathStrategy getPathStrategy(Context context, String str) {
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PathStrategy pathStrategy;
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synchronized (sCache) {
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pathStrategy = sCache.get(str);
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if (pathStrategy == null) {
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try {
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pathStrategy = parsePathStrategy(context, str);
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sCache.put(str, pathStrategy);
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} catch (IOException e) {
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throw new IllegalArgumentException("Failed to parse android.support.FILE_PROVIDER_PATHS meta-data", e);
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} catch (XmlPullParserException e2) {
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throw new IllegalArgumentException("Failed to parse android.support.FILE_PROVIDER_PATHS meta-data", e2);
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}
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}
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}
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return pathStrategy;
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}
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public static Uri getUriForFile(@NonNull Context context, @NonNull String str, @NonNull File file) {
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return getPathStrategy(context, str).getUriForFile(file);
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}
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private static int modeToMode(String str) {
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if ("r".equals(str)) {
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return 268435456;
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}
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if ("w".equals(str) || "wt".equals(str)) {
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return 738197504;
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}
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if ("wa".equals(str)) {
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return 704643072;
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}
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if ("rw".equals(str)) {
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return 939524096;
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}
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if ("rwt".equals(str)) {
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return 1006632960;
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}
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throw new IllegalArgumentException(a.t("Invalid mode: ", str));
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}
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private static PathStrategy parsePathStrategy(Context context, String str) throws IOException, XmlPullParserException {
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SimplePathStrategy simplePathStrategy = new SimplePathStrategy(str);
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ProviderInfo resolveContentProvider = context.getPackageManager().resolveContentProvider(str, 128);
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if (resolveContentProvider != null) {
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XmlResourceParser loadXmlMetaData = resolveContentProvider.loadXmlMetaData(context.getPackageManager(), "android.support.FILE_PROVIDER_PATHS");
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if (loadXmlMetaData != null) {
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while (true) {
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int next = loadXmlMetaData.next();
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if (next == 1) {
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return simplePathStrategy;
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}
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if (next == 2) {
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String name = loadXmlMetaData.getName();
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File file = null;
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String attributeValue = loadXmlMetaData.getAttributeValue(null, "name");
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String attributeValue2 = loadXmlMetaData.getAttributeValue(null, "path");
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if ("root-path".equals(name)) {
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file = DEVICE_ROOT;
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} else if ("files-path".equals(name)) {
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file = context.getFilesDir();
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} else if ("cache-path".equals(name)) {
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file = context.getCacheDir();
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} else if ("external-path".equals(name)) {
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file = Environment.getExternalStorageDirectory();
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} else if ("external-files-path".equals(name)) {
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File[] externalFilesDirs = ContextCompat.getExternalFilesDirs(context, null);
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if (externalFilesDirs.length > 0) {
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file = externalFilesDirs[0];
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}
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} else if ("external-cache-path".equals(name)) {
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File[] externalCacheDirs = ContextCompat.getExternalCacheDirs(context);
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if (externalCacheDirs.length > 0) {
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file = externalCacheDirs[0];
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}
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} else if ("external-media-path".equals(name)) {
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File[] externalMediaDirs = context.getExternalMediaDirs();
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if (externalMediaDirs.length > 0) {
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file = externalMediaDirs[0];
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}
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}
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if (file != null) {
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simplePathStrategy.addRoot(attributeValue, buildPath(file, attributeValue2));
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}
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}
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}
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} else {
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throw new IllegalArgumentException("Missing android.support.FILE_PROVIDER_PATHS meta-data");
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}
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} else {
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throw new IllegalArgumentException(a.t("Couldn't find meta-data for provider with authority ", str));
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}
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}
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@Override // android.content.ContentProvider
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public void attachInfo(@NonNull Context context, @NonNull ProviderInfo providerInfo) {
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super.attachInfo(context, providerInfo);
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if (providerInfo.exported) {
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throw new SecurityException("Provider must not be exported");
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} else if (providerInfo.grantUriPermissions) {
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this.mStrategy = getPathStrategy(context, providerInfo.authority);
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} else {
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throw new SecurityException("Provider must grant uri permissions");
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}
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}
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@Override // android.content.ContentProvider
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public int delete(@NonNull Uri uri, @Nullable String str, @Nullable String[] strArr) {
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return this.mStrategy.getFileForUri(uri).delete() ? 1 : 0;
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}
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@Override // android.content.ContentProvider
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public String getType(@NonNull Uri uri) {
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String mimeTypeFromExtension;
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File fileForUri = this.mStrategy.getFileForUri(uri);
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int lastIndexOf = fileForUri.getName().lastIndexOf(46);
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return (lastIndexOf < 0 || (mimeTypeFromExtension = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileForUri.getName().substring(lastIndexOf + 1))) == null) ? "application/octet-stream" : mimeTypeFromExtension;
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}
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@Override // android.content.ContentProvider
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public Uri insert(@NonNull Uri uri, ContentValues contentValues) {
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throw new UnsupportedOperationException("No external inserts");
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}
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@Override // android.content.ContentProvider
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public boolean onCreate() {
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return true;
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}
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@Override // android.content.ContentProvider
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public ParcelFileDescriptor openFile(@NonNull Uri uri, @NonNull String str) throws FileNotFoundException {
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return ParcelFileDescriptor.open(this.mStrategy.getFileForUri(uri), modeToMode(str));
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}
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@Override // android.content.ContentProvider
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public Cursor query(@NonNull Uri uri, @Nullable String[] strArr, @Nullable String str, @Nullable String[] strArr2, @Nullable String str2) {
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int i;
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File fileForUri = this.mStrategy.getFileForUri(uri);
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if (strArr == null) {
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strArr = COLUMNS;
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}
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String[] strArr3 = new String[strArr.length];
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Object[] objArr = new Object[strArr.length];
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int i2 = 0;
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for (String str3 : strArr) {
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if ("_display_name".equals(str3)) {
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strArr3[i2] = "_display_name";
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i = i2 + 1;
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objArr[i2] = fileForUri.getName();
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} else if ("_size".equals(str3)) {
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strArr3[i2] = "_size";
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i = i2 + 1;
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objArr[i2] = Long.valueOf(fileForUri.length());
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}
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i2 = i;
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}
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String[] copyOf = copyOf(strArr3, i2);
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Object[] copyOf2 = copyOf(objArr, i2);
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MatrixCursor matrixCursor = new MatrixCursor(copyOf, 1);
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matrixCursor.addRow(copyOf2);
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return matrixCursor;
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}
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@Override // android.content.ContentProvider
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public int update(@NonNull Uri uri, ContentValues contentValues, @Nullable String str, @Nullable String[] strArr) {
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throw new UnsupportedOperationException("No external updates");
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}
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}
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