Examples with MycatUser io.mycat.MycatUser used on opensource projects

Example 1 with MycatUser

use of io.mycat.MycatUser in project Mycat2 by MyCATApache.

the class MycatContext method getCurrentUser.

public String getCurrentUser() {
    MycatUser user = CONTEXT.get().getUser();
    Authenticator authenticator = MetaClusterCurrent.wrapper(Authenticator.class);
    return user.getUserName() + "@" + authenticator.getUserInfo(user.getUserName()).getIp();
}

Example 2 with MycatUser

use of io.mycat.MycatUser in project Mycat2 by MyCATApache.

the class ShowProcessListSQLHandler method onExecute.

@Override
protected Future<Void> onExecute(SQLRequest<MySqlShowProcessListStatement> request, MycatDataContext dataContext, Response response) {
    Map<Thread, Process> processMap = new LinkedHashMap<>(Process.getProcessMap());
    MySqlShowProcessListStatement ast = request.getAst();
    boolean full = ast.isFull();
    int maxCount = full ? Integer.MAX_VALUE : 100;
    MycatUser currentUser = full ? null : dataContext.getUser();
    ResultSetBuilder resultSetBuilder = ResultSetBuilder.create();
    resultSetBuilder.addColumnInfo("Id", JDBCType.INTEGER);
    resultSetBuilder.addColumnInfo("User", JDBCType.VARCHAR);
    resultSetBuilder.addColumnInfo("Host", JDBCType.VARCHAR);
    resultSetBuilder.addColumnInfo("db", JDBCType.VARCHAR);
    resultSetBuilder.addColumnInfo("Command", JDBCType.VARCHAR);
    resultSetBuilder.addColumnInfo("Time", JDBCType.BIGINT);
    resultSetBuilder.addColumnInfo("State", JDBCType.VARCHAR);
    resultSetBuilder.addColumnInfo("Info", JDBCType.VARCHAR);
    long timestamp = System.currentTimeMillis();
    int currentCount = 0;
    for (Map.Entry<Thread, Process> entry : processMap.entrySet()) {
        Thread holdThread = entry.getKey();
        Process process = entry.getValue();
        if (currentUser != null && !Objects.equals(process.getUser(), currentUser.getUserName())) {
            continue;
        }
        resultSetBuilder.addObjectRowPayload(Arrays.asList(process.getId(), process.getUser(), process.getHost(), process.getDb(), process.getCommand(), timestamp - process.getCreateTimestamp().getTime(), process.getState(), process.getInfo()));
        currentCount++;
        if (currentCount >= maxCount) {
            break;
        }
    }
    return response.sendResultSet(resultSetBuilder.build());
// return response.proxySelectToPrototype(request.getAst().toString());
}

Example 3 with MycatUser

use of io.mycat.MycatUser in project Mycat2 by MyCATApache.

the class MySQLClientAuthHandler method onSocketRead.

// public void setMycatSession(MycatSession mycatSession) {
// this.mycat = mycatSession;
// }
@Override
public void onSocketRead(MycatSession mycat) {
    try {
        if (mycat.getCurNIOHandler() != this) {
            return;
        }
        if (!mycat.readFromChannel()) {
            return;
        }
        mycat.setResponseFinished(ProcessState.READY);
        // MycatSecurityConfig securityManager = runtime.getSecurityManager();
        byte[] password = new byte[] {};
        if (!isChangeAuthPlugin) {
            // 密码读取与验证
            this.auth = readResponseAuthPacket(mycat);
            String authPluginName = auth.getAuthPluginName();
            int capabilities = auth.getCapabilities();
            // 切换auth_plugin
            if (MySQLServerCapabilityFlags.isPluginAuth(capabilities) && !authPluginName.equals(clientAuthPluginName)) {
                // 发送切换包的auth_response
                isChangeAuthPlugin = true;
                AuthSwitchRequestPacket authSwitchRequestPacket = new AuthSwitchRequestPacket();
                clientAuthPluginName = StringUtil.isEmpty(authPluginName) ? MysqlNativePasswordPluginUtil.PROTOCOL_PLUGIN_NAME : authPluginName;
                authSwitchRequestPacket.setAuthPluginName(MysqlNativePasswordPluginUtil.PROTOCOL_PLUGIN_NAME);
                authSwitchRequestPacket.setStatus((byte) 0xfe);
                authSwitchRequestPacket.setAuthPluginData(new String(seed));
                MySQLPayloadWriter mySQLPayloadWriter = new MySQLPayloadWriter(1024);
                authSwitchRequestPacket.writePayload(mySQLPayloadWriter);
                mycat.writeBytes(mySQLPayloadWriter.toByteArray(), true);
                return;
            }
            // 握手包中的加密密码
            password = auth.getPassword();
        } else {
            MySQLPacket mySQLPacket = mycat.currentProxyPayload();
            password = mySQLPacket.readEOFStringBytes();
        }
        int capabilities = auth.getCapabilities();
        if (MySQLServerCapabilityFlags.isCanUseCompressionProtocol(capabilities)) {
            String message = "Can Not Use Compression Protocol!";
            failture(mycat, MySQLErrorCode.ER_UNKNOWN_ERROR, message);
            mycat.lazyClose(true, message);
            return;
        }
        String username = auth.getUsername();
        int maxPacketSize = auth.getMaxPacketSize();
        String database = auth.getDatabase();
        int characterSet = auth.getCharacterSet();
        Map<String, String> attrs = auth.getClientConnectAttrs();
        MycatUser user = null;
        SocketAddress remoteSocketAddress = mycat.channel().socket().getRemoteSocketAddress();
        Authenticator authenticator = MetaClusterCurrent.wrapper(Authenticator.class);
        String ip = SocketAddressUtil.simplySocketAddress(remoteSocketAddress);
        Authenticator.AuthInfo authInfo = authenticator.getPassword(username, ip);
        if (!authInfo.isOk()) {
            failture(mycat, authInfo.getErrorCode(), authInfo.getException());
            return;
        } else {
            String rightPassword = authInfo.getRightPassword();
            if (rightPassword != null) {
                if (!checkPassword(rightPassword, password)) {
                    // may be bug
                    String message = "Access denied for user '" + username + "'@'" + remoteSocketAddress.toString() + "' (using password: YES)";
                    mycat.setLastMessage(message);
                    mycat.setLastErrorCode(ER_ACCESS_DENIED_ERROR);
                    LOGGER.error("login fail: {}", message);
                    mycat.writeErrorEndPacketBySyncInProcessError(ER_ACCESS_DENIED_ERROR);
                    LOGGER.error("remoteSocketAddress:{} password is wrong", remoteSocketAddress);
                    return;
                }
            }
            UserConfig userInfo = authenticator.getUserInfo(username);
            user = new MycatUser(username, null, null, ip, remoteSocketAddress, userInfo);
        }
        mycat.getDataContext().setUser(user);
        mycat.setSchema(database);
        mycat.setServerCapabilities(auth.getCapabilities());
        mycat.setIsolation(MySQLIsolation.REPEATED_READ);
        mycat.setCharset(characterSet);
        finished = true;
        mycatSessionManager.initCommandDispatcher(mycat);
        mycat.writeOkEndPacket();
    } catch (Exception e) {
        LOGGER.error("", e);
        MycatMonitor.onAuthHandlerReadException(mycat, e);
        onClear(mycat);
        failture(mycat, e);
    }
}