summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/com/android/providers/downloads/DownloadProvider.java30
-rw-r--r--src/com/android/providers/downloads/Helpers.java4
2 files changed, 23 insertions, 11 deletions
diff --git a/src/com/android/providers/downloads/DownloadProvider.java b/src/com/android/providers/downloads/DownloadProvider.java
index 94e5a997..d9acc789 100644
--- a/src/com/android/providers/downloads/DownloadProvider.java
+++ b/src/com/android/providers/downloads/DownloadProvider.java
@@ -715,7 +715,13 @@ public final class DownloadProvider extends ContentProvider {
throw new IllegalArgumentException("Invalid file URI: " + uri);
}
- final File file = new File(path);
+ final File file;
+ try {
+ file = new File(path).getCanonicalFile();
+ } catch (IOException e) {
+ throw new SecurityException(e);
+ }
+
if (Helpers.isFilenameValidInExternalPackage(getContext(), file, getCallingPackage())) {
// No permissions required for paths belonging to calling package
return;
@@ -1191,10 +1197,14 @@ public final class DownloadProvider extends ContentProvider {
final String path = cursor.getString(1);
if (!TextUtils.isEmpty(path)) {
- final File file = new File(path);
- if (Helpers.isFilenameValid(getContext(), file)) {
- Log.v(Constants.TAG, "Deleting " + file + " via provider delete");
- file.delete();
+ try {
+ final File file = new File(path).getCanonicalFile();
+ if (Helpers.isFilenameValid(getContext(), file)) {
+ Log.v(Constants.TAG,
+ "Deleting " + file + " via provider delete");
+ file.delete();
+ }
+ } catch (IOException ignored) {
}
}
}
@@ -1260,9 +1270,15 @@ public final class DownloadProvider extends ContentProvider {
throw new FileNotFoundException("No filename found.");
}
- final File file = new File(path);
+ final File file;
+ try {
+ file = new File(path).getCanonicalFile();
+ } catch (IOException e) {
+ throw new FileNotFoundException(e.getMessage());
+ }
+
if (!Helpers.isFilenameValid(getContext(), file)) {
- throw new FileNotFoundException("Invalid file: " + file);
+ throw new FileNotFoundException("Invalid file path: " + file);
}
final int pfdMode = ParcelFileDescriptor.parseMode(mode);
diff --git a/src/com/android/providers/downloads/Helpers.java b/src/com/android/providers/downloads/Helpers.java
index d1cc5450..d01cbff2 100644
--- a/src/com/android/providers/downloads/Helpers.java
+++ b/src/com/android/providers/downloads/Helpers.java
@@ -357,8 +357,6 @@ public class Helpers {
static boolean isFilenameValidInExternalPackage(Context context, File file,
String packageName) {
try {
- file = file.getCanonicalFile();
-
if (containsCanonical(buildExternalStorageAppFilesDirs(packageName), file) ||
containsCanonical(buildExternalStorageAppObbDirs(packageName), file) ||
containsCanonical(buildExternalStorageAppCacheDirs(packageName), file) ||
@@ -380,8 +378,6 @@ public class Helpers {
*/
static boolean isFilenameValid(Context context, File file, boolean allowInternal) {
try {
- file = file.getCanonicalFile();
-
if (allowInternal) {
if (containsCanonical(context.getFilesDir(), file)
|| containsCanonical(context.getCacheDir(), file)