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Merge "Clear calling id before updating MediaStore." into oc-dr1-dev

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This commit is contained in:
TreeHugger Robot
2017-07-05 22:39:37 +00:00
committed by Android (Google) Code Review
parent 20a240fc5d fac8aea2e8
commit 28042d09d1
1 changed files with 52 additions and 33 deletions
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85
core/java/com/android/internal/content/FileSystemProvider.java
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@@ -27,6 +27,7 @@ import android.database.MatrixCursor;
import android.database.MatrixCursor.RowBuilder;
import android.graphics.Point;
import android.net.Uri;
import android.os.Binder;
import android.os.CancellationSignal;
import android.os.FileObserver;
import android.os.FileUtils;
@@ -156,11 +157,17 @@ public abstract class FileSystemProvider extends DocumentsProvider {
if (visibleFolder != null) {
assert (visibleFolder.isDirectory());
final ContentResolver resolver = getContext().getContentResolver();
final Uri uri = MediaStore.Files.getDirectoryUri("external");
ContentValues values = new ContentValues();
values.put(MediaStore.Files.FileColumns.DATA, visibleFolder.getAbsolutePath());
resolver.insert(uri, values);
final long token = Binder.clearCallingIdentity();
try {
final ContentResolver resolver = getContext().getContentResolver();
final Uri uri = MediaStore.Files.getDirectoryUri("external");
ContentValues values = new ContentValues();
values.put(MediaStore.Files.FileColumns.DATA, visibleFolder.getAbsolutePath());
resolver.insert(uri, values);
} finally {
Binder.restoreCallingIdentity(token);
}
}
}
@@ -214,22 +221,28 @@ public abstract class FileSystemProvider extends DocumentsProvider {
// They should be all null or not null at the same time. File#renameTo() doesn't work across
// volumes so an exception will be thrown before calling this method.
if (oldVisibleFile != null && newVisibleFile != null) {
final ContentResolver resolver = getContext().getContentResolver();
final Uri externalUri = newVisibleFile.isDirectory()
? MediaStore.Files.getDirectoryUri("external")
: MediaStore.Files.getContentUri("external");
final long token = Binder.clearCallingIdentity();
ContentValues values = new ContentValues();
values.put(MediaStore.Files.FileColumns.DATA, newVisibleFile.getAbsolutePath());
try {
final ContentResolver resolver = getContext().getContentResolver();
final Uri externalUri = newVisibleFile.isDirectory()
? MediaStore.Files.getDirectoryUri("external")
: MediaStore.Files.getContentUri("external");
// Logic borrowed from MtpDatabase.
// note - we are relying on a special case in MediaProvider.update() to update
// the paths for all children in the case where this is a directory.
final String path = oldVisibleFile.getAbsolutePath();
resolver.update(externalUri,
values,
"_data LIKE ? AND lower(_data)=lower(?)",
new String[] { path, path });
ContentValues values = new ContentValues();
values.put(MediaStore.Files.FileColumns.DATA, newVisibleFile.getAbsolutePath());
// Logic borrowed from MtpDatabase.
// note - we are relying on a special case in MediaProvider.update() to update
// the paths for all children in the case where this is a directory.
final String path = oldVisibleFile.getAbsolutePath();
resolver.update(externalUri,
values,
"_data LIKE ? AND lower(_data)=lower(?)",
new String[]{path, path});
} finally {
Binder.restoreCallingIdentity(token);
}
}
}
@@ -253,23 +266,29 @@ public abstract class FileSystemProvider extends DocumentsProvider {
throws FileNotFoundException {
// visibleFolder is null if we're removing a document from external thumb drive or SD card.
if (visibleFile != null) {
final ContentResolver resolver = getContext().getContentResolver();
final Uri externalUri = MediaStore.Files.getContentUri("external");
final long token = Binder.clearCallingIdentity();
// Remove media store entries for any files inside this directory, using
// path prefix match. Logic borrowed from MtpDatabase.
if (isFolder) {
final String path = visibleFile.getAbsolutePath() + "/";
try {
final ContentResolver resolver = getContext().getContentResolver();
final Uri externalUri = MediaStore.Files.getContentUri("external");
// Remove media store entries for any files inside this directory, using
// path prefix match. Logic borrowed from MtpDatabase.
if (isFolder) {
final String path = visibleFile.getAbsolutePath() + "/";
resolver.delete(externalUri,
"_data LIKE ?1 AND lower(substr(_data,1,?2))=lower(?3)",
new String[]{path + "%", Integer.toString(path.length()), path});
}
// Remove media store entry for this exact file.
final String path = visibleFile.getAbsolutePath();
resolver.delete(externalUri,
"_data LIKE ?1 AND lower(substr(_data,1,?2))=lower(?3)",
new String[] { path + "%", Integer.toString(path.length()), path });
"_data LIKE ?1 AND lower(_data)=lower(?2)",
new String[]{path, path});
} finally {
Binder.restoreCallingIdentity(token);
}
// Remove media store entry for this exact file.
final String path = visibleFile.getAbsolutePath();
resolver.delete(externalUri,
"_data LIKE ?1 AND lower(_data)=lower(?2)",
new String[] { path, path });
}
}