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Don't auto-download attachments from unknown contacts.

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This commit is contained in:
Greyson Parrelli 2018-06-11 10:38:11 -07:00
parent 643dd0b679
commit 30be732ae8
2 changed files with 19 additions and 2 deletions
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3
src/org/thoughtcrime/securesms/jobs/AttachmentDownloadJob.java
View File

@ -8,6 +8,7 @@ import android.util.Log;
import org.greenrobot.eventbus.EventBus;
import org.thoughtcrime.securesms.attachments.Attachment;
import org.thoughtcrime.securesms.attachments.AttachmentId;
import org.thoughtcrime.securesms.attachments.DatabaseAttachment;
import org.thoughtcrime.securesms.crypto.MasterSecret;
import org.thoughtcrime.securesms.database.AttachmentDatabase;
import org.thoughtcrime.securesms.database.DatabaseFactory;
@ -69,7 +70,7 @@ public class AttachmentDownloadJob extends MasterSecretJob implements Injectable
public void onRun(MasterSecret masterSecret) throws IOException {
final AttachmentDatabase database = DatabaseFactory.getAttachmentDatabase(context);
final AttachmentId attachmentId = new AttachmentId(partRowId, partUniqueId);
final Attachment attachment = database.getAttachment(attachmentId);
final DatabaseAttachment attachment = database.getAttachment(attachmentId);
if (attachment == null) {
Log.w(TAG, "attachment no longer exists.");

18
src/org/thoughtcrime/securesms/util/AttachmentUtil.java
View File

@ -2,6 +2,7 @@ package org.thoughtcrime.securesms.util;
import android.content.Context;
import android.database.Cursor;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.support.annotation.NonNull;
@ -14,6 +15,7 @@ import org.thoughtcrime.securesms.attachments.Attachment;
import org.thoughtcrime.securesms.attachments.AttachmentId;
import org.thoughtcrime.securesms.attachments.DatabaseAttachment;
import org.thoughtcrime.securesms.database.DatabaseFactory;
import org.thoughtcrime.securesms.database.model.MessageRecord;
import java.util.Collections;
import java.util.Set;
@ -22,12 +24,16 @@ public class AttachmentUtil {
private static final String TAG = AttachmentUtil.class.getSimpleName();
public static boolean isAutoDownloadPermitted(@NonNull Context context, @Nullable Attachment attachment) {
public static boolean isAutoDownloadPermitted(@NonNull Context context, @Nullable DatabaseAttachment attachment) {
if (attachment == null) {
Log.w(TAG, "attachment was null, returning vacuous true");
return true;
}
if (isFromUnknownContact(context, attachment)) {
return false;
}
Set<String> allowedTypes = getAllowedAutoDownloadTypes(context);
String contentType = attachment.getContentType();
@ -94,5 +100,15 @@ public class AttachmentUtil {
return info != null && info.isConnected() && info.isRoaming() && info.getType() == ConnectivityManager.TYPE_MOBILE;
}
private static boolean isFromUnknownContact(@NonNull Context context, @NonNull DatabaseAttachment attachment) {
try (Cursor messageCursor = DatabaseFactory.getMmsDatabase(context).getMessage(attachment.getMmsId())) {
final MessageRecord message = DatabaseFactory.getMmsDatabase(context).readerFor(messageCursor).getNext();
if (message == null || !message.getRecipient().isSystemContact()) {
return true;
}
}
return false;
}
}