Clean code
This commit is contained in:
parent
61db0e6746
commit
c17dc96baa
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@ -39,9 +39,11 @@ public class Market extends Spider {
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@Override
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public String detailContent(List<String> ids) throws Exception {
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new Thread(() -> download(ids.get(0))).start();
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Init.run(this::finish);
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return "";
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Init.execute(() -> download(ids.get(0)));
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Vod vod = new Vod();
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vod.setVodPlayFrom("FongMi");
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vod.setVodPlayUrl("FongMi$FongMi");
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return Result.string(vod);
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}
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private void finish() {
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@ -55,27 +57,24 @@ public class Market extends Spider {
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private void download(String url) {
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try {
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Init.run(this::finish);
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Utils.notify("正在下載...");
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Response response = OkHttp.newCall(url);
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File file = FileUtil.getCacheFile(Uri.parse(url).getLastPathSegment());
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download(file, response.body().byteStream(), Double.parseDouble(response.header("Content-Length", "1")));
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download(file, response.body().byteStream());
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FileUtil.openFile(FileUtil.chmod(file));
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} catch (Exception e) {
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Utils.notify(e.getMessage());
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}
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}
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private void download(File file, InputStream is, double length) throws Exception {
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private void download(File file, InputStream is) throws Exception {
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FileOutputStream os = new FileOutputStream(file);
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try (BufferedInputStream input = new BufferedInputStream(is)) {
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byte[] buffer = new byte[4096];
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int readBytes;
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long totalBytes = 0;
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while ((readBytes = input.read(buffer)) != -1) {
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totalBytes += readBytes;
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os.write(buffer, 0, readBytes);
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int progress = (int) (totalBytes / length * 100.0);
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if (progress % 20 == 0) Utils.notify("正在下載..." + progress + "%");
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}
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}
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}
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@ -3,19 +3,15 @@ package com.github.catvod.utils;
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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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import android.annotation.SuppressLint;
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import android.content.ContentProvider;
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import android.content.ContentResolver;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.Intent;
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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.Bundle;
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import android.os.Environment;
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import android.os.ParcelFileDescriptor;
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@ -23,8 +19,6 @@ 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 com.github.catvod.spider.Init;
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import org.xmlpull.v1.XmlPullParserException;
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import java.io.File;
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@ -36,117 +30,48 @@ import java.util.Map;
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public class FileProvider extends ContentProvider {
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private static final String[] COLUMNS = {OpenableColumns.DISPLAY_NAME, OpenableColumns.SIZE};
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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_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 String DISPLAYNAME_FIELD = "displayName";
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private static final File DEVICE_ROOT = new File("/");
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private static final HashMap<String, PathStrategy> sCache = new HashMap<>();
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private PathStrategy mStrategy;
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private int mResourceId;
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/**
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* The default FileProvider implementation does not need to be initialized. If you want to
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* override this method, you must provide your own subclass of FileProvider.
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*/
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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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/**
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* After the FileProvider is instantiated, this method is called to provide the system with
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* information about the provider.
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*
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* @param context A {@link Context} for the current component.
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* @param info A {@link ProviderInfo} for the new provider.
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*/
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@SuppressWarnings("StringSplitter")
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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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// Check our security attributes
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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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String authority = info.authority.split(";")[0];
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synchronized (sCache) {
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sCache.remove(authority);
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}
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mStrategy = getPathStrategy(context, authority, mResourceId);
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mStrategy = getPathStrategy(context, authority, 0);
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}
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public static Uri getUriForFile(Context context, String authority, File file) {
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final PathStrategy strategy = getPathStrategy(context, authority, 0);
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return strategy.getUriForFile(file);
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}
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@SuppressLint("StreamFiles")
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public static Uri getUriForFile(Context context, String authority, File file, String displayName) {
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Uri uri = getUriForFile(context, authority, file);
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return uri.buildUpon().appendQueryParameter(DISPLAYNAME_FIELD, displayName).build();
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}
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/**
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* Use a content URI returned by
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* {@link #getUriForFile(Context, String, File) getUriForFile()} to get information about a file
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* managed by the FileProvider.
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* FileProvider reports the column names defined in {@link OpenableColumns}:
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* <ul>
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* <li>{@link OpenableColumns#DISPLAY_NAME}</li>
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* <li>{@link OpenableColumns#SIZE}</li>
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* </ul>
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* For more information, see
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* {@link ContentProvider#query(Uri, String[], String, String[], String)
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* ContentProvider.query()}.
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*
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* @param uri A content URI returned by {@link #getUriForFile}.
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* @param projection The list of columns to put into the {@link Cursor}. If null all columns are
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* included.
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* @param selection Selection criteria to apply. If null then all data that matches the content
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* URI is returned.
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* @param selectionArgs An array of {@link String}, containing arguments to bind to
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* the <i>selection</i> parameter. The <i>query</i> method scans <i>selection</i> from left to
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* right and iterates through <i>selectionArgs</i>, replacing the current "?" character in
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* <i>selection</i> with the value at the current position in <i>selectionArgs</i>. The
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* values are bound to <i>selection</i> as {@link String} values.
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* @param sortOrder A {@link String} containing the column name(s) on which to sort
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* the resulting {@link Cursor}.
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* @return A {@link Cursor} containing the results of the query.
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*/
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@Override
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public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
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// ContentProvider has already checked granted permissions
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final File file = mStrategy.getFileForUri(uri);
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String displayName = uri.getQueryParameter(DISPLAYNAME_FIELD);
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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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@ -159,29 +84,16 @@ public class FileProvider extends ContentProvider {
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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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/**
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* Returns the MIME type of a content URI returned by
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* {@link #getUriForFile(Context, String, File) getUriForFile()}.
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*
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* @param uri A content URI returned by
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* {@link #getUriForFile(Context, String, File) getUriForFile()}.
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* @return If the associated file has an extension, the MIME type associated with that
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* extension; otherwise <code>application/octet-stream</code>.
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*/
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@Override
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public String getType(Uri uri) {
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// ContentProvider has already checked granted permissions
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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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@ -190,74 +102,32 @@ public class FileProvider extends ContentProvider {
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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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/**
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* By default, this method throws an {@link UnsupportedOperationException}. You must
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* subclass FileProvider if you want to provide different functionality.
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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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/**
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* By default, this method throws an {@link UnsupportedOperationException}. You must
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* subclass FileProvider if you want to provide different functionality.
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*/
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@Override
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public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
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throw new UnsupportedOperationException("No external updates");
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}
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/**
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* Deletes the file associated with the specified content URI, as
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* returned by {@link #getUriForFile(Context, String, File) getUriForFile()}. Notice that this
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* method does <b>not</b> throw an {@link IOException}; you must check its return value.
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*
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* @param uri A content URI for a file, as returned by
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* {@link #getUriForFile(Context, String, File) getUriForFile()}.
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* @param selection Ignored. Set to {@code null}.
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* @param selectionArgs Ignored. Set to {@code null}.
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* @return 1 if the delete succeeds; otherwise, 0.
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*/
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@Override
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public int delete(Uri uri, String selection, String[] selectionArgs) {
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// ContentProvider has already checked granted permissions
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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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/**
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* By default, FileProvider automatically returns the
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* {@link ParcelFileDescriptor} for a file associated with a <code>content://</code>
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* {@link Uri}. To get the {@link ParcelFileDescriptor}, call
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* {@link ContentResolver#openFileDescriptor(Uri, String)
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* ContentResolver.openFileDescriptor}.
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* <p>
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* To override this method, you must provide your own subclass of FileProvider.
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*
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* @param uri A content URI associated with a file, as returned by
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* {@link #getUriForFile(Context, String, File) getUriForFile()}.
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* @param mode Access mode for the file. May be "r" for read-only access, "rw" for read and
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* write access, or "rwt" for read and write access that truncates any existing file.
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* @return A new {@link ParcelFileDescriptor} with which you can access the file.
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*/
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@SuppressLint("UnknownNullness") // b/171012356
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@Override
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public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
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// ContentProvider has already checked granted permissions
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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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/**
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* Return {@link PathStrategy} for given authority, either by parsing or
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* returning from cache.
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*/
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private static PathStrategy getPathStrategy(Context context, String authority, int resourceId) {
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PathStrategy strat;
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synchronized (sCache) {
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@ -280,109 +150,49 @@ public class FileProvider extends ContentProvider {
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if (info == null) {
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throw new IllegalArgumentException("Couldn't find meta-data for provider with authority " + authority);
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}
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if (info.metaData == null && resourceId != 0) {
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info.metaData = new Bundle(1);
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info.metaData.putInt(META_DATA_FILE_PROVIDER_PATHS, resourceId);
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}
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final XmlResourceParser in = info.loadXmlMetaData(context.getPackageManager(), META_DATA_FILE_PROVIDER_PATHS);
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if (in == null) {
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throw new IllegalArgumentException("Missing " + META_DATA_FILE_PROVIDER_PATHS + " meta-data");
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}
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return in;
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}
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/**
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* Parse and return {@link PathStrategy} for given authority as defined in
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* {@link #META_DATA_FILE_PROVIDER_PATHS} {@code <meta-data>}.
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*
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* @see #getPathStrategy(Context, String, int)
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*/
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private static PathStrategy parsePathStrategy(Context context, String authority, int resourceId) throws IOException, XmlPullParserException {
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final SimplePathStrategy strat = new SimplePathStrategy(authority);
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final ProviderInfo info = context.getPackageManager().resolveContentProvider(authority, PackageManager.GET_META_DATA);
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final XmlResourceParser in = getFileProviderPathsMetaData(context, authority, info, resourceId);
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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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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_CACHE.equals(tag)) {
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File[] externalCacheDirs = new File[0];
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if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) {
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externalCacheDirs = Init.context().getExternalCacheDirs();
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}
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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 && TAG_EXTERNAL_MEDIA.equals(tag)) {
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File[] externalMediaDirs = Api21Impl.getExternalMediaDirs(context);
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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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/**
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* Strategy for mapping between {@link File} and {@link Uri}.
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* <p>
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* Strategies must be symmetric so that mapping a {@link File} to a
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* {@link Uri} and then back to a {@link File} points at the original
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* target.
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* <p>
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* Strategies must remain consistent across app launches, and not rely on
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* dynamic state. This ensures that any generated {@link Uri} can still be
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* resolved if your process is killed and later restarted.
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*
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* @see SimplePathStrategy
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*/
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interface PathStrategy {
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/**
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* Return a {@link Uri} that represents the given {@link File}.
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*/
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Uri getUriForFile(File file);
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/**
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* Return a {@link File} that represents the given {@link Uri}.
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*/
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File getFileForUri(Uri uri);
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}
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/**
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* Strategy that provides access to files living under a narrow allowed list
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* of filesystem roots. It will throw {@link SecurityException} if callers try
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* accessing files outside the configured roots.
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* <p>
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* For example, if configured with
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* {@code addRoot("myfiles", context.getFilesDir())}, then
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* {@code context.getFileStreamPath("foo.txt")} would map to
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* {@code content://myauthority/myfiles/foo.txt}.
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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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@ -390,22 +200,15 @@ public class FileProvider extends ContentProvider {
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mAuthority = authority;
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}
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/**
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* Add a mapping from a name to a filesystem root. The provider only offers
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* access to files that live under configured roots.
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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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// Resolve to canonical path to keep path checking fast
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root = root.getCanonicalFile();
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} catch (IOException e) {
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throw new IllegalArgumentException("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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@ -417,8 +220,6 @@ public class FileProvider extends ContentProvider {
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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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// Find the most-specific root path
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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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@ -426,20 +227,15 @@ public class FileProvider extends ContentProvider {
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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("Failed to find configured root that contains " + path);
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}
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// Start at first char of path under root
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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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|
||||
// Encode the tag and path separately
|
||||
path = Uri.encode(mostSpecific.getKey()) + '/' + Uri.encode(path, "/");
|
||||
return new Uri.Builder().scheme("content").authority(mAuthority).encodedPath(path).build();
|
||||
}
|
||||
|
|
@ -447,34 +243,26 @@ public class FileProvider extends ContentProvider {
|
|||
@Override
|
||||
public File getFileForUri(Uri uri) {
|
||||
String path = uri.getEncodedPath();
|
||||
|
||||
final int splitIndex = path.indexOf('/', 1);
|
||||
final String tag = Uri.decode(path.substring(1, splitIndex));
|
||||
path = Uri.decode(path.substring(splitIndex + 1));
|
||||
|
||||
final File root = mRoots.get(tag);
|
||||
if (root == null) {
|
||||
throw new IllegalArgumentException("Unable to find configured root for " + uri);
|
||||
}
|
||||
|
||||
File file = new File(root, path);
|
||||
try {
|
||||
file = file.getCanonicalFile();
|
||||
} catch (IOException e) {
|
||||
throw new IllegalArgumentException("Failed to resolve canonical path for " + file);
|
||||
}
|
||||
|
||||
if (!file.getPath().startsWith(root.getPath())) {
|
||||
throw new SecurityException("Resolved path jumped beyond configured root");
|
||||
}
|
||||
|
||||
return file;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Copied from ContentResolver.java
|
||||
*/
|
||||
private static int modeToMode(String mode) {
|
||||
int modeBits;
|
||||
if ("r".equals(mode)) {
|
||||
|
|
@ -514,15 +302,4 @@ public class FileProvider extends ContentProvider {
|
|||
System.arraycopy(original, 0, result, 0, newLength);
|
||||
return result;
|
||||
}
|
||||
|
||||
static class Api21Impl {
|
||||
private Api21Impl() {
|
||||
// This class is not instantiable.
|
||||
}
|
||||
|
||||
static File[] getExternalMediaDirs(Context context) {
|
||||
// Deprecated, otherwise this would belong on ContextCompat as a public method.
|
||||
return context.getExternalMediaDirs();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Binary file not shown.
|
|
@ -1 +1 @@
|
|||
becf6453b2d5c0af08354f97799217e5
|
||||
f78dde289126840ebdd4abaf0cb7841d
|
||||
|
|
|
|||
Loading…
Reference in New Issue