Files
IM-server-new/broker/src/main/java/io/moquette/imhandler/ReplyMessageHandler.java
T

349 lines
18 KiB
Java

/*
* This file is part of the Wildfire Chat package.
* (c) Heavyrain2012 <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
package io.moquette.imhandler;
import cn.wildfirechat.common.ErrorCode;
import cn.wildfirechat.pojos.MessagePayload;
import cn.wildfirechat.proto.ProtoConstants;
import cn.wildfirechat.proto.WFCMessage;
import com.hazelcast.util.StringUtil;
import io.moquette.BrokerConstants;
import io.moquette.spi.impl.Qos1PublishHandler;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import win.liyufan.im.*;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import static cn.wildfirechat.common.ErrorCode.ERROR_CODE_NOT_IN_GROUP;
import static cn.wildfirechat.common.ErrorCode.ERROR_CODE_SUCCESS;
@Handler(value = IMTopic.RobotReplyMessageTopic)
public class ReplyMessageHandler extends IMHandler<WFCMessage.Message> {
private int mSensitiveType = 0; //命中敏感词时,0 失败,1 吞掉, 2 敏感词替换成*。
private String mForwardUrl = null;
private String mSensitiveMessageForwardUrl = null;
private Set<Integer> mForwardMessageTypes = new HashSet<>();
private Set<Integer> mForwardExcludeMessageTypes = new HashSet<>();
private String mMentionForwardUrl = null;
private int mBlacklistStrategy = 0; //黑名单中时,0失败,1吞掉。
private boolean mBlacklistAllowSend2Black = true;
private boolean mNoForwardAdminMessage = false;
private boolean mAllowSend2ForbiddenUser = false;
private String mRemoteSensitiveServerUrl = null;
private Set<Integer> mRemoteSensitiveMessageTypes;
private boolean mWaitRemoteSensitiveServerResponse = false;
public ReplyMessageHandler() {
super();
mForwardUrl = mServer.getConfig().getProperty(BrokerConstants.MESSAGE_Forward_Url);
if (!StringUtil.isNullOrEmpty(mForwardUrl)) {
String forwardTypes = mServer.getConfig().getProperty(BrokerConstants.MESSAGE_Forward_Types);
parseTypes(mForwardMessageTypes, forwardTypes);
String excludeTypes = mServer.getConfig().getProperty(BrokerConstants.MESSAGE_Forward_Exclude_Types);
parseTypes(mForwardExcludeMessageTypes, excludeTypes);
}
mSensitiveMessageForwardUrl = mServer.getConfig().getProperty(BrokerConstants.MESSAGE_Sensitive_Forward_Url);
mMentionForwardUrl = mServer.getConfig().getProperty(BrokerConstants.MESSAGE_MentionMsg_Forward_Url);
try {
mSensitiveType = Integer.parseInt(mServer.getConfig().getProperty(BrokerConstants.SENSITIVE_Filter_Type));
} catch (Exception e) {
e.printStackTrace();
Utility.printExecption(LOG, e);
}
try {
mBlacklistStrategy = Integer.parseInt(mServer.getConfig().getProperty(BrokerConstants.MESSAGE_Blacklist_Strategy));
} catch (Exception e) {
e.printStackTrace();
Utility.printExecption(LOG, e);
}
try {
mBlacklistAllowSend2Black = Boolean.parseBoolean(mServer.getConfig().getProperty(BrokerConstants.MESSAGE_Blacklist_Allow_Send, "true"));
} catch (Exception e) {
}
try {
mRemoteSensitiveServerUrl = mServer.getConfig().getProperty(BrokerConstants.SENSITIVE_Remote_Server_URL);
if(!StringUtil.isNullOrEmpty(mRemoteSensitiveServerUrl)) {
mWaitRemoteSensitiveServerResponse = Boolean.parseBoolean(mServer.getConfig().getProperty(BrokerConstants.SENSITIVE_Remote_Fail_When_Matched, "false"));
String types = mServer.getConfig().getProperty(BrokerConstants.SENSITIVE_Remote_Message_Type, "");
mRemoteSensitiveMessageTypes = new HashSet<>();
if(!StringUtil.isNullOrEmpty(types)) {
String[] ts = types.split(",");
for (String t:ts) {
mRemoteSensitiveMessageTypes.add(Integer.parseInt(t.trim()));
}
}
}
} catch (Exception e) {
e.printStackTrace();
Utility.printExecption(LOG, e);
}
try {
mNoForwardAdminMessage = Boolean.parseBoolean(mServer.getConfig().getProperty(BrokerConstants.MESSAGE_NO_Forward_Admin_Message, "false"));
} catch (Exception e) {
e.printStackTrace();
Utility.printExecption(LOG, e);
}
try {
mAllowSend2ForbiddenUser = Boolean.parseBoolean(mServer.getConfig().getProperty(BrokerConstants.MESSAGES_ALLOW_SEND_TO_FORBIDDEN_USER, "false"));
} catch (Exception e) {}
}
private void parseTypes(Collection<Integer> collection, String types) {
try {
if (!StringUtil.isNullOrEmpty(types)) {
String[] tss = types.split(",");
for (String ts:tss) {
if(ts.contains("-")) {
String[] ss = ts.split("-");
if(ss.length == 2) {
int begin = Integer.parseInt(ss[0]);
int end = Integer.parseInt(ss[1]);
for (int i = begin; i <= end ; i++) {
collection.add(i);
}
}
} else {
collection.add(Integer.parseInt(ts.trim()));
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public ErrorCode action(ByteBuf ackPayload, String clientID, String fromUser, ProtoConstants.RequestSourceType requestSourceType, WFCMessage.Message message, Qos1PublishHandler.IMCallback callback) {
if(requestSourceType != ProtoConstants.RequestSourceType.Request_From_Robot) {
return ErrorCode.ERROR_CODE_NOT_IMPLEMENT;
}
ErrorCode errorCode = ErrorCode.ERROR_CODE_SUCCESS;
if (message != null) {
if(message.getContent().getContent().length() +
message.getContent().getSearchableContent().length() +
message.getContent().getData().size() +
message.getContent().getExtra().length() +
message.getContent().getPushContent().length() +
message.getContent().getPushData().length() > 64 * 1024) {
return ErrorCode.ERROR_CODE_MESSAGE_TOO_LARGE;
}
boolean ignoreMsg = false;
// 不能在端上直接发送撤回和群通知
if (message.getContent().getType() == 80 || message.getContent().getType() == 81 || (message.getContent().getType() >= 100 && message.getContent().getType() < 200)) {
return ErrorCode.INVALID_PARAMETER;
}
if(m_messagesStore.getClientForbiddenSendTypes().contains(message.getContent().getType())) {
return ErrorCode.ERROR_CODE_NOT_RIGHT;
}
int userStatus = m_messagesStore.getUserStatus(fromUser);
if (userStatus == ProtoConstants.UserStatus.Muted || userStatus == ProtoConstants.UserStatus.Forbidden) {
if(!m_messagesStore.getGlobalMuteExceptionTypes().contains(message.getContent().getType())) {
return ErrorCode.ERROR_CODE_FORBIDDEN_SEND_MSG;
}
}
if (message.getConversation().getType() == ProtoConstants.ConversationType.ConversationType_Private) {
if(!m_messagesStore.getBlackListExceptionTypes().contains(message.getContent().getType())) {
errorCode = m_messagesStore.isAllowUserMessage(message.getConversation().getTarget(), fromUser, message.getConversation().getLine());
if (errorCode != ErrorCode.ERROR_CODE_SUCCESS) {
if (errorCode == ErrorCode.ERROR_CODE_IN_BLACK_LIST && mBlacklistStrategy != ProtoConstants.BlacklistStrategy.Message_Reject) {
ignoreMsg = true;
errorCode = ErrorCode.ERROR_CODE_SUCCESS;
} else {
return errorCode;
}
}
if(!mBlacklistAllowSend2Black) {
errorCode = m_messagesStore.isBlacked(fromUser, message.getConversation().getTarget());
if (errorCode != ErrorCode.ERROR_CODE_SUCCESS) {
return errorCode;
}
}
}
if (!mAllowSend2ForbiddenUser) {
userStatus = m_messagesStore.getUserStatus(message.getConversation().getTarget());
if (userStatus == ProtoConstants.UserStatus.Forbidden) {
return ErrorCode.ERROR_CODE_USER_FORBIDDEN;
}
}
}
if (message.getConversation().getType() == ProtoConstants.ConversationType.ConversationType_Group ) {
if(!m_messagesStore.getGroupMuteExceptionTypes().contains(message.getContent().getType())) {
errorCode = m_messagesStore.canSendMessageInGroup(fromUser, message.getConversation().getTarget());
if(errorCode == ERROR_CODE_NOT_IN_GROUP) {
errorCode = ERROR_CODE_SUCCESS;
}
if (errorCode != ErrorCode.ERROR_CODE_SUCCESS) {
return errorCode;
}
}
} else if (message.getConversation().getType() == ProtoConstants.ConversationType.ConversationType_ChatRoom) {
if(!m_messagesStore.getGroupMuteExceptionTypes().contains(message.getContent().getType())) {
if (!m_messagesStore.checkUserClientInChatroom(fromUser, clientID, message.getConversation().getTarget())) {
return ErrorCode.ERROR_CODE_NOT_IN_CHATROOM;
}
}
} else if (message.getConversation().getType() == ProtoConstants.ConversationType.ConversationType_Channel) {
if(!m_messagesStore.getGroupMuteExceptionTypes().contains(message.getContent().getType())) {
if (!m_messagesStore.canSendMessageInChannel(fromUser, message.getConversation().getTarget())) {
return ErrorCode.ERROR_CODE_NOT_IN_CHANNEL;
}
}
}
if(message.getConversation().getType() == ProtoConstants.ConversationType.ConversationType_Private) {
long beforeMessageId = message.getMessageId();
WFCMessage.Message replyMsg = m_messagesStore.getMessage(beforeMessageId);
message = message.toBuilder().setConversation(message.getConversation().toBuilder().setTarget(replyMsg.getFromUser() + "|" + replyMsg.getConversation().getTarget())).build();
}
long timestamp = System.currentTimeMillis();
final long messageId;
try {
messageId = MessageShardingUtil.generateId();
} catch (Exception e) {
e.printStackTrace();
return ErrorCode.ERROR_CODE_SERVER_ERROR;
}
message = message.toBuilder().setFromUser(fromUser).setMessageId(messageId).setServerTimestamp(timestamp).build();
if (!StringUtil.isNullOrEmpty(mForwardUrl) && (mForwardMessageTypes.isEmpty() || mForwardMessageTypes.contains(message.getContent().getType())) && !mForwardExcludeMessageTypes.contains(message.getContent().getType())) {
publisher.forwardMessage(message, mForwardUrl, clientID);
}
if(!StringUtil.isNullOrEmpty(mMentionForwardUrl) && message.hasContent() && message.getContent().getMentionedType() != 0) {
publisher.forwardMessage(message, mMentionForwardUrl, clientID);
}
if(StringUtil.isNullOrEmpty(mRemoteSensitiveServerUrl)) {
Set<String> matched = m_messagesStore.handleSensitiveWord(message.getContent().getSearchableContent());
if (matched != null && !matched.isEmpty()) {
m_messagesStore.storeSensitiveMessage(message);
if (!StringUtil.isNullOrEmpty(mSensitiveMessageForwardUrl)) {
publisher.forwardMessage(message, mSensitiveMessageForwardUrl, clientID);
}
if (mSensitiveType == 0) {
errorCode = ErrorCode.ERROR_CODE_SENSITIVE_MATCHED;
} else if (mSensitiveType == 1) {
ignoreMsg = true;
} else if (mSensitiveType == 2) {
String text = message.getContent().getSearchableContent();
for (String word : matched) {
text = text.replace(word, "***");
}
message = message.toBuilder().setContent(message.getContent().toBuilder().setSearchableContent(text).build()).build();
}
}
} else {
if(mRemoteSensitiveMessageTypes.contains(message.getContent().getType())) {
final WFCMessage.Message finalMsg = message;
publisher.forwardMessageWithCallback(message, clientID, mRemoteSensitiveServerUrl, new HttpUtils.HttpCallback() {
@Override
public void onSuccess(String content) {
if(StringUtil.isNullOrEmpty(content)) {
saveAndPublish(fromUser, clientID, finalMsg, requestSourceType);
} else {
MessagePayload payload = GsonUtil.gson.fromJson(content, MessagePayload.class);
if (payload != null && payload.getType() > 0) {
WFCMessage.Message newMsg = finalMsg.toBuilder().setContent(payload.toProtoMessageContent()).build();
saveAndPublish(fromUser, clientID, newMsg, requestSourceType);
} else {
LOG.error("Response content {} from censor is invalid payload, ignore response and send original message", content);
saveAndPublish(fromUser, clientID, finalMsg, requestSourceType);
}
}
if(mWaitRemoteSensitiveServerResponse) {
ByteBuf ackPayload = Unpooled.buffer(21);
ErrorCode errorCode = ERROR_CODE_SUCCESS;
ackPayload.writeByte(errorCode.getCode());
ackPayload.writeLong(messageId);
ackPayload.writeLong(timestamp);
callback.onIMHandled(ErrorCode.ERROR_CODE_SUCCESS, ackPayload);
}
}
@Override
public void onFailure(int statusCode, String errorMessage) {
ByteBuf ackPayload = null;
ErrorCode errorCode = ERROR_CODE_SUCCESS;
if(statusCode == 403) {
if(mWaitRemoteSensitiveServerResponse) {
errorCode = ErrorCode.ERROR_CODE_SENSITIVE_MATCHED;
ackPayload = Unpooled.buffer(1);
ackPayload.writeByte(errorCode.getCode());
}
} else {
LOG.warn("Failed to censor message with status {}, errorMessage {}. Send the original message", statusCode, errorMessage);
saveAndPublish(fromUser, clientID, finalMsg, requestSourceType);
if(mWaitRemoteSensitiveServerResponse) {
errorCode = ERROR_CODE_SUCCESS;
ackPayload = Unpooled.buffer(21);
ackPayload.writeByte(errorCode.getCode());
ackPayload.writeLong(messageId);
ackPayload.writeLong(timestamp);
}
}
if(mWaitRemoteSensitiveServerResponse) {
callback.onIMHandled(errorCode, ackPayload);
}
}
});
if(mWaitRemoteSensitiveServerResponse) {
ackPayload.clear();
return ErrorCode.INVALID_ASYNC_HANDLING;
} else {
ackPayload = ackPayload.capacity(20);
ackPayload.writeLong(messageId);
ackPayload.writeLong(timestamp);
return ErrorCode.ERROR_CODE_SUCCESS;
}
}
}
if (errorCode == ErrorCode.ERROR_CODE_SUCCESS) {
if(!ignoreMsg) {
saveAndPublish(fromUser, clientID, message, requestSourceType);
}
ackPayload = ackPayload.capacity(20);
ackPayload.writeLong(messageId);
ackPayload.writeLong(timestamp);
}
} else {
errorCode = ErrorCode.ERROR_CODE_INVALID_MESSAGE;
}
return errorCode;
}
}