Examples with Role org.javacord.api.entity.permission.Role used on opensource projects

Example 6 with Role

use of org.javacord.api.entity.permission.Role in project Javacord by BtoBastian.

the class Server method canBanUser.

/**
 * Checks if the given user can ban the other user.
 * This method also considers the position of the user roles and the owner.
 *
 * @param user      The user which "want" to ban the other user.
 * @param userToBan The user which should be banned.
 * @return Whether the given user can ban the other user or not.
 */
default boolean canBanUser(User user, User userToBan) {
    // owner can always ban, regardless of role for example
    if (isOwner(user)) {
        return true;
    }
    // user cannot ban at all
    if (!canBanUsers(user)) {
        return false;
    }
    // only returns empty optional if user is not member of server
    // but then canBanUsers should already have kicked in
    Role ownRole = getHighestRole(user).orElseThrow(AssertionError::new);
    Optional<Role> otherRole = getHighestRole(userToBan);
    // otherRole empty => userToBan is not on the server => ban is allowed
    boolean userToBanOnServer = otherRole.isPresent();
    return !userToBanOnServer || (ownRole.compareTo(otherRole.get()) > 0);
}

Example 7 with Role

use of org.javacord.api.entity.permission.Role in project Javacord by BtoBastian.

the class GuildMemberUpdateHandler method handle.

@Override
public void handle(JsonNode packet) {
    api.getPossiblyUnreadyServerById(packet.get("guild_id").asLong()).map(server -> (ServerImpl) server).ifPresent(server -> {
        MemberImpl newMember = new MemberImpl(api, server, packet, null);
        Member oldMember = server.getRealMemberById(newMember.getId()).orElse(null);
        api.addMemberToCacheOrReplaceExisting(newMember);
        if (oldMember == null) {
            // Should only happen shortly after startup and is unproblematic
            return;
        }
        if (!newMember.getNickname().equals(oldMember.getNickname())) {
            UserChangeNicknameEvent event = new UserChangeNicknameEventImpl(newMember, oldMember);
            api.getEventDispatcher().dispatchUserChangeNicknameEvent(server, server, newMember.getUser(), event);
        }
        if (!newMember.getServerAvatarHash().equals(oldMember.getServerAvatarHash())) {
            UserChangeServerAvatarEvent event = new UserChangeServerAvatarEventImpl(newMember, oldMember);
            api.getEventDispatcher().dispatchUserChangeServerAvatarEvent(server, server, newMember.getUser(), event);
        }
        if (newMember.isPending() != oldMember.isPending()) {
            UserChangePendingEvent event = new UserChangePendingEventImpl(oldMember, newMember);
            api.getEventDispatcher().dispatchUserChangePendingEvent(server, server, newMember.getUser(), event);
        }
        if (packet.has("roles")) {
            JsonNode jsonRoles = packet.get("roles");
            Collection<Role> newRoles = new HashSet<>();
            Collection<Role> oldRoles = oldMember.getRoles();
            Collection<Role> intersection = new HashSet<>();
            for (JsonNode roleIdJson : jsonRoles) {
                api.getRoleById(roleIdJson.asText()).map(role -> {
                    newRoles.add(role);
                    return role;
                }).filter(oldRoles::contains).ifPresent(intersection::add);
            }
            // Added roles
            Collection<Role> addedRoles = new ArrayList<>(newRoles);
            addedRoles.removeAll(intersection);
            for (Role role : addedRoles) {
                if (role.isEveryoneRole()) {
                    continue;
                }
                UserRoleAddEvent event = new UserRoleAddEventImpl(role, newMember);
                api.getEventDispatcher().dispatchUserRoleAddEvent((DispatchQueueSelector) role.getServer(), role, role.getServer(), newMember.getId(), event);
            }
            // Removed roles
            Collection<Role> removedRoles = new ArrayList<>(oldRoles);
            removedRoles.removeAll(intersection);
            for (Role role : removedRoles) {
                if (role.isEveryoneRole()) {
                    continue;
                }
                UserRoleRemoveEvent event = new UserRoleRemoveEventImpl(role, newMember);
                api.getEventDispatcher().dispatchUserRoleRemoveEvent((DispatchQueueSelector) role.getServer(), role, role.getServer(), newMember.getId(), event);
            }
        }
        if (newMember.getUser().isYourself()) {
            Set<Long> unreadableChannels = server.getTextChannels().stream().filter(((Predicate<ServerTextChannel>) ServerTextChannel::canYouSee).negate()).map(ServerTextChannel::getId).collect(Collectors.toSet());
            api.forEachCachedMessageWhere(msg -> unreadableChannels.contains(msg.getChannel().getId()), msg -> {
                api.removeMessageFromCache(msg.getId());
                ((MessageCacheImpl) msg.getChannel().getMessageCache()).removeMessage(msg);
            });
        }
        // https://github.com/discord/discord-api-docs/pull/1307#issuecomment-581561519
        if (oldMember.getUser() != null) {
            UserImpl oldUser = (UserImpl) oldMember.getUser();
            boolean userChanged = false;
            UserImpl updatedUser = oldUser.replacePartialUserData(packet.get("user"));
            if (packet.get("user").has("username")) {
                String newName = packet.get("user").get("username").asText();
                String oldName = oldUser.getName();
                if (!oldName.equals(newName)) {
                    dispatchUserChangeNameEvent(updatedUser, newName, oldName);
                    userChanged = true;
                }
            }
            if (packet.get("user").has("discriminator")) {
                String newDiscriminator = packet.get("user").get("discriminator").asText();
                String oldDiscriminator = oldUser.getDiscriminator();
                if (!oldDiscriminator.equals(newDiscriminator)) {
                    dispatchUserChangeDiscriminatorEvent(updatedUser, newDiscriminator, oldDiscriminator);
                    userChanged = true;
                }
            }
            if (packet.get("user").has("avatar")) {
                String newAvatarHash = packet.get("user").get("avatar").asText(null);
                String oldAvatarHash = oldUser.getAvatarHash().orElse(null);
                if (!Objects.deepEquals(newAvatarHash, oldAvatarHash)) {
                    dispatchUserChangeAvatarEvent(updatedUser, newAvatarHash, oldAvatarHash);
                    userChanged = true;
                }
            }
            if (userChanged) {
                api.updateUserOfAllMembers(updatedUser);
            }
        }
    });
}

Example 8 with Role

use of org.javacord.api.entity.permission.Role in project Javacord by BtoBastian.

the class GuildRoleCreateHandler method handle.

@Override
public void handle(JsonNode packet) {
    long serverId = Long.parseLong(packet.get("guild_id").asText());
    api.getPossiblyUnreadyServerById(serverId).ifPresent(server -> {
        Role role = ((ServerImpl) server).getOrCreateRole(packet.get("role"));
        RoleCreateEvent event = new RoleCreateEventImpl(role);
        api.getEventDispatcher().dispatchRoleCreateEvent((DispatchQueueSelector) server, server, event);
    });
}

Example 9 with Role

use of org.javacord.api.entity.permission.Role in project Javacord by BtoBastian.

the class ChannelUpdateHandler method handleRegularServerChannel.

private void handleRegularServerChannel(JsonNode jsonChannel) {
    long channelId = jsonChannel.get("id").asLong();
    Optional<RegularServerChannel> optionalChannel = api.getRegularServerChannelById(channelId);
    if (!optionalChannel.isPresent()) {
        LoggerUtil.logMissingChannel(logger, channelId);
        return;
    }
    RegularServerChannelImpl channel = (RegularServerChannelImpl) optionalChannel.get();
    ServerImpl server = (ServerImpl) channel.getServer();
    final AtomicBoolean areYouAffected = new AtomicBoolean(false);
    ChannelCategory oldCategory = channel.asCategorizable().flatMap(Categorizable::getCategory).orElse(null);
    ChannelCategory newCategory = jsonChannel.hasNonNull("parent_id") ? channel.getServer().getChannelCategoryById(jsonChannel.get("parent_id").asLong(-1)).orElse(null) : null;
    final RegularServerChannelImpl regularServerChannel = (RegularServerChannelImpl) channel;
    final int oldRawPosition = regularServerChannel.getRawPosition();
    final int newRawPosition = jsonChannel.get("position").asInt();
    if (oldRawPosition != newRawPosition || !Objects.deepEquals(oldCategory, newCategory)) {
        final int oldPosition = regularServerChannel.getPosition();
        if (regularServerChannel instanceof ServerTextChannelImpl) {
            ((ServerTextChannelImpl) regularServerChannel).setParentId(newCategory == null ? -1 : newCategory.getId());
        } else if (regularServerChannel instanceof ServerVoiceChannelImpl) {
            ((ServerVoiceChannelImpl) regularServerChannel).setParentId(newCategory == null ? -1 : newCategory.getId());
        }
        regularServerChannel.setRawPosition(newRawPosition);
        final int newPosition = regularServerChannel.getPosition();
        final ServerChannelChangePositionEvent event = new ServerChannelChangePositionEventImpl(regularServerChannel, newPosition, oldPosition, newRawPosition, oldRawPosition, newCategory, oldCategory);
        if (server.isReady()) {
            api.getEventDispatcher().dispatchServerChannelChangePositionEvent((DispatchQueueSelector) regularServerChannel.getServer(), regularServerChannel.getServer(), regularServerChannel, event);
        }
    }
    Collection<Long> rolesWithOverwrittenPermissions = new HashSet<>();
    Collection<Long> usersWithOverwrittenPermissions = new HashSet<>();
    if (jsonChannel.has("permission_overwrites") && !jsonChannel.get("permission_overwrites").isNull()) {
        for (JsonNode permissionOverwriteJson : jsonChannel.get("permission_overwrites")) {
            Permissions oldOverwrittenPermissions;
            ConcurrentHashMap<Long, Permissions> overwrittenPermissions;
            long entityId = permissionOverwriteJson.get("id").asLong();
            Optional<DiscordEntity> entity;
            switch(permissionOverwriteJson.get("type").asInt()) {
                case 0:
                    Role role = server.getRoleById(entityId).orElseThrow(() -> new IllegalStateException("Received channel update event with unknown role!"));
                    entity = Optional.of(role);
                    oldOverwrittenPermissions = regularServerChannel.getOverwrittenPermissions(role);
                    overwrittenPermissions = regularServerChannel.getInternalOverwrittenRolePermissions();
                    rolesWithOverwrittenPermissions.add(entityId);
                    break;
                case 1:
                    oldOverwrittenPermissions = regularServerChannel.getOverwrittenUserPermissions().getOrDefault(entityId, PermissionsImpl.EMPTY_PERMISSIONS);
                    entity = api.getCachedUserById(entityId).map(DiscordEntity.class::cast);
                    overwrittenPermissions = regularServerChannel.getInternalOverwrittenUserPermissions();
                    usersWithOverwrittenPermissions.add(entityId);
                    break;
                default:
                    throw new IllegalStateException("Permission overwrite object with unknown type: " + permissionOverwriteJson);
            }
            long allow = permissionOverwriteJson.get("allow").asLong(0);
            long deny = permissionOverwriteJson.get("deny").asLong(0);
            Permissions newOverwrittenPermissions = new PermissionsImpl(allow, deny);
            if (!newOverwrittenPermissions.equals(oldOverwrittenPermissions)) {
                overwrittenPermissions.put(entityId, newOverwrittenPermissions);
                if (server.isReady()) {
                    dispatchServerChannelChangeOverwrittenPermissionsEvent(channel, newOverwrittenPermissions, oldOverwrittenPermissions, entityId, entity.orElse(null));
                    areYouAffected.compareAndSet(false, entityId == api.getYourself().getId());
                    entity.filter(e -> e instanceof Role).map(Role.class::cast).ifPresent(role -> areYouAffected.compareAndSet(false, role.getUsers().stream().anyMatch(User::isYourself)));
                }
            }
        }
    }
    ConcurrentHashMap<Long, Permissions> overwrittenRolePermissions;
    ConcurrentHashMap<Long, Permissions> overwrittenUserPermissions;
    overwrittenRolePermissions = regularServerChannel.getInternalOverwrittenRolePermissions();
    overwrittenUserPermissions = regularServerChannel.getInternalOverwrittenUserPermissions();
    Iterator<Map.Entry<Long, Permissions>> userIt = overwrittenUserPermissions.entrySet().iterator();
    while (userIt.hasNext()) {
        Map.Entry<Long, Permissions> entry = userIt.next();
        if (usersWithOverwrittenPermissions.contains(entry.getKey())) {
            continue;
        }
        Permissions oldPermissions = entry.getValue();
        userIt.remove();
        if (server.isReady()) {
            dispatchServerChannelChangeOverwrittenPermissionsEvent(channel, PermissionsImpl.EMPTY_PERMISSIONS, oldPermissions, entry.getKey(), api.getCachedUserById(entry.getKey()).orElse(null));
            areYouAffected.compareAndSet(false, entry.getKey() == api.getYourself().getId());
        }
    }
    Iterator<Map.Entry<Long, Permissions>> roleIt = overwrittenRolePermissions.entrySet().iterator();
    while (roleIt.hasNext()) {
        Map.Entry<Long, Permissions> entry = roleIt.next();
        if (rolesWithOverwrittenPermissions.contains(entry.getKey())) {
            continue;
        }
        api.getRoleById(entry.getKey()).ifPresent(role -> {
            Permissions oldPermissions = entry.getValue();
            roleIt.remove();
            if (server.isReady()) {
                dispatchServerChannelChangeOverwrittenPermissionsEvent(channel, PermissionsImpl.EMPTY_PERMISSIONS, oldPermissions, role.getId(), role);
                areYouAffected.compareAndSet(false, role.getUsers().stream().anyMatch(User::isYourself));
            }
        });
    }
    if (areYouAffected.get() && !channel.canYouSee()) {
        api.forEachCachedMessageWhere(msg -> msg.getChannel().getId() == channelId, msg -> {
            api.removeMessageFromCache(msg.getId());
            ((MessageCacheImpl) ((TextChannel) channel).getMessageCache()).removeMessage(msg);
        });
    }
}

Example 10 with Role

use of org.javacord.api.entity.permission.Role in project Javacord by BtoBastian.

the class ChannelUpdateHandler method dispatchServerChannelChangeOverwrittenPermissionsEvent.

/**
 * Dispatches a ServerChannelChangeOverwrittenPermissionsEvent.
 *
 * @param channel        The channel of the event.
 * @param newPermissions The new overwritten permissions.
 * @param oldPermissions The old overwritten permissions.
 * @param entityId       The id of the entity.
 * @param entity         The entity of the event.
 */
private void dispatchServerChannelChangeOverwrittenPermissionsEvent(ServerChannel channel, Permissions newPermissions, Permissions oldPermissions, long entityId, DiscordEntity entity) {
    if (newPermissions.equals(oldPermissions)) {
        // any of its values. We don't need to dispatch an event for this.
        return;
    }
    ServerChannelChangeOverwrittenPermissionsEvent event = new ServerChannelChangeOverwrittenPermissionsEventImpl(channel, newPermissions, oldPermissions, entityId, entity);
    api.getEventDispatcher().dispatchServerChannelChangeOverwrittenPermissionsEvent((DispatchQueueSelector) channel.getServer(), (entity instanceof Role) ? (Role) entity : null, channel.getServer(), channel, (entity instanceof User) ? (User) entity : null, event);
}