package eu.siacs.conversations.services; import java.io.File; import java.io.FileNotFoundException; import eu.siacs.conversations.Config; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Conversation; import eu.siacs.conversations.entities.Message; import eu.siacs.conversations.persistance.DatabaseBackend; import eu.siacs.conversations.persistance.FileBackend; import android.content.ContentProvider; import android.content.ContentValues; import android.database.Cursor; import android.net.Uri; import android.os.ParcelFileDescriptor; import android.util.Log; public class ImageProvider extends ContentProvider { @Override public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException { ParcelFileDescriptor pfd; FileBackend fileBackend = new FileBackend(getContext()); if ("r".equals(mode)) { DatabaseBackend databaseBackend = DatabaseBackend .getInstance(getContext()); String uuids = uri.getPath(); Log.d(Config.LOGTAG, "uuids = " + uuids + " mode=" + mode); if (uuids == null) { throw new FileNotFoundException(); } String[] uuidsSplited = uuids.split("/"); if (uuidsSplited.length != 3) { throw new FileNotFoundException(); } String conversationUuid = uuidsSplited[1]; String messageUuid = uuidsSplited[2].split("\\.")[0]; Log.d(Config.LOGTAG, "messageUuid=" + messageUuid); Conversation conversation = databaseBackend .findConversationByUuid(conversationUuid); if (conversation == null) { throw new FileNotFoundException("conversation " + conversationUuid + " could not be found"); } Message message = databaseBackend.findMessageByUuid(messageUuid); if (message == null) { throw new FileNotFoundException("message " + messageUuid + " could not be found"); } Account account = databaseBackend.findAccountByUuid(conversation .getAccountUuid()); if (account == null) { throw new FileNotFoundException("account " + conversation.getAccountUuid() + " cound not be found"); } message.setConversation(conversation); conversation.setAccount(account); File file = fileBackend.getJingleFileLegacy(message); pfd = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY); return pfd; } else { throw new FileNotFoundException(); } } @Override public int delete(Uri arg0, String arg1, String[] arg2) { return 0; } @Override public String getType(Uri arg0) { return null; } @Override public Uri insert(Uri arg0, ContentValues arg1) { return null; } @Override public boolean onCreate() { return false; } @Override public Cursor query(Uri arg0, String[] arg1, String arg2, String[] arg3, String arg4) { return null; } @Override public int update(Uri arg0, ContentValues arg1, String arg2, String[] arg3) { return 0; } public static Uri getProviderUri(Message message) { return Uri.parse("content://eu.siacs.conversations.images/" + message.getConversationUuid() + "/" + message.getUuid() + ".webp"); } }