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author | Gary Mai <garymai@google.com> | 2018-10-30 17:33:24 -0700 |
---|---|---|
committer | android-build-merger <android-build-merger@google.com> | 2018-10-30 17:33:24 -0700 |
commit | 655ad64631fdd88b31e375d6b8ced44aeaa5740a (patch) | |
tree | b08647d8784dadecb902a13bc1c25068c008226b | |
parent | 2b52baef4eb9634206442b64ba27ab93caf978fa (diff) | |
parent | b96186029f7e6c83d3b6389f9f87362f36feb7bf (diff) | |
download | packages_apps_Contacts-655ad64631fdd88b31e375d6b8ced44aeaa5740a.tar.gz packages_apps_Contacts-655ad64631fdd88b31e375d6b8ced44aeaa5740a.tar.bz2 packages_apps_Contacts-655ad64631fdd88b31e375d6b8ced44aeaa5740a.zip |
[automerger] Patch URI vulnerability in contact photo editing am: ccfd94b965 am: 2fc4d78bfc am: fc6e94648d am: 3ffe76ed9c am: 456f745849 am: 9df22bbe22
am: b96186029f
Change-Id: I29790ddb310eb0670f263044e3c70e3c2f3793bf
-rw-r--r-- | src/com/android/contacts/util/ContactPhotoUtils.java | 21 | ||||
-rw-r--r-- | tests/src/com/android/contacts/util/ContactPhotoUtilsTest.java | 49 |
2 files changed, 67 insertions, 3 deletions
diff --git a/src/com/android/contacts/util/ContactPhotoUtils.java b/src/com/android/contacts/util/ContactPhotoUtils.java index 943f5ddd9..d0e06587d 100644 --- a/src/com/android/contacts/util/ContactPhotoUtils.java +++ b/src/com/android/contacts/util/ContactPhotoUtils.java @@ -18,6 +18,7 @@ package com.android.contacts.util; import android.content.ClipData; +import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; @@ -26,11 +27,9 @@ import android.net.Uri; import android.provider.MediaStore; import android.support.v4.content.FileProvider; import android.util.Log; - import com.android.contacts.R; import com.google.common.io.Closeables; - import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileNotFoundException; @@ -148,7 +147,7 @@ public class ContactPhotoUtils { */ public static boolean savePhotoFromUriToUri(Context context, Uri inputUri, Uri outputUri, boolean deleteAfterSave) { - if (inputUri == null || outputUri == null) { + if (inputUri == null || outputUri == null || isFilePathAndNotStorage(inputUri)) { return false; } try (FileOutputStream outputStream = context.getContentResolver() @@ -175,4 +174,20 @@ public class ContactPhotoUtils { } return true; } + + /** + * Returns {@code true} if the {@code inputUri} is a FILE scheme and it does not point to + * the storage directory. + */ + private static boolean isFilePathAndNotStorage(Uri inputUri) { + if (ContentResolver.SCHEME_FILE.equals(inputUri.getScheme())) { + try { + File file = new File(inputUri.getPath()).getCanonicalFile(); + return !file.getCanonicalPath().startsWith("/storage/"); + } catch (IOException e) { + return false; + } + } + return false; + } } diff --git a/tests/src/com/android/contacts/util/ContactPhotoUtilsTest.java b/tests/src/com/android/contacts/util/ContactPhotoUtilsTest.java new file mode 100644 index 000000000..d17b98c2d --- /dev/null +++ b/tests/src/com/android/contacts/util/ContactPhotoUtilsTest.java @@ -0,0 +1,49 @@ +package com.android.contacts.util; + +import android.net.Uri; +import android.test.AndroidTestCase; +import android.test.suitebuilder.annotation.SmallTest; + +/** + * Test cases for {@link ContactPhotoUtils}. + * + * adb shell am instrument -w -e class com.android.contacts.util.ContactPhotoUtilsTest \ + * com.android.contacts.tests/android.test.InstrumentationTestRunner + */ +@SmallTest +public class ContactPhotoUtilsTest extends AndroidTestCase { + + private Uri tempUri; + + @Override + protected void setUp() throws Exception { + tempUri = ContactPhotoUtils.generateTempImageUri(getContext()); + } + + protected void tearDown() throws Exception { + getContext().getContentResolver().delete(tempUri, null, null); + } + + public void testFileUriDataPathFails() { + String filePath = + "file:///data/data/com.android.contacts/shared_prefs/com.android.contacts.xml"; + + assertFalse( + ContactPhotoUtils.savePhotoFromUriToUri(getContext(), Uri.parse(filePath), tempUri, false)); + } + + public void testFileUriCanonicalDataPathFails() { + String filePath = + "file:///storage/../data/data/com.android.contacts/shared_prefs/com.android.contacts.xml"; + + assertFalse( + ContactPhotoUtils.savePhotoFromUriToUri(getContext(), Uri.parse(filePath), tempUri, false)); + } + + public void testContentUriInternalPasses() { + Uri internal = ContactPhotoUtils.generateTempImageUri(getContext()); + + assertTrue( + ContactPhotoUtils.savePhotoFromUriToUri(getContext(), internal, tempUri, true)); + } +} |