Error on Login: java.lang.ArithmeticException / by zero

[hrxcodes]

Describe the bug
Something caused

drftpd/src/core/master/src/main/java/org/drftpd/master/network/Session.java

Lines 70 to 71 in 3861f01

	env.put("averagespeed", Bytes.formatBytes((user.getDownloadedBytes() + user.getUploadedBytes())
	/ (((user.getDownloadedTime() + user.getUploadedTime()) / 1000) + 1)));

to have invalid values which leds to java.lang.ArithmeticException / by zero

DrFTPD

• DrFTPD version 4.0.12

Additional context

commands.log

ERROR 2024-03-22T14:33:32,612 [FtpConn thread 578027 from <iphidden> - pool-394638-thread-1] org.drftpd.master.commands.StandardCommandManager [] - Command user failed: 'testuser'
java.lang.ArithmeticException: / by zero
        at org.drftpd.master.network.Session.getReplacerEnvironment(Session.java:71) ~[drftpd-master-4.0.12-SNAPSHOT.jar:?]
        at org.drftpd.master.network.Session.jprintf(Session.java:109) ~[drftpd-master-4.0.12-SNAPSHOT.jar:?]
        at org.drftpd.master.commands.login.LoginHandler.doUSER(LoginHandler.java:281) ~[drftpd-master-4.0.12-SNAPSHOT.jar:?]
        at jdk.internal.reflect.GeneratedMethodAccessor401.invoke(Unknown Source) ~[?:?]
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
        at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
        at org.drftpd.master.commands.StandardCommandManager.execute(StandardCommandManager.java:227) [drftpd-master-4.0.12-SNAPSHOT.jar:?]
        at org.drftpd.master.network.BaseFtpConnection.executeFtpCommand(BaseFtpConnection.java:639) [drftpd-master-4.0.12-SNAPSHOT.jar:?]
        at org.drftpd.master.network.BaseFtpConnection$CommandThread.run(BaseFtpConnection.java:693) [drftpd-master-4.0.12-SNAPSHOT.jar:?]
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) [?:?]
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) [?:?]
        at java.base/java.lang.Thread.run(Thread.java:840) [?:?]

Userfile:

{
  "@type":"org.drftpd.master.usermanager.encryptedjavabeans.EncryptedBeanUser",
  "_encryption":7,
  "_password":"**REDACTED**",
  "_data":{
    "@keys":[
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"minratio",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"created",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"weekReqs",
        "_owner":"org.drftpd.request.master.metadata.RequestUserData"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"logins",
        "_owner":"org.drftpd.statistics.master.metadata.StatsUserData"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"ban_time",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"tagline",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"maxsimup",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"maxratio",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"wkly_allotment",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"leechslots",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"lastseen",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"ratio",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"groupslots",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"maxsimdn",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"maxloginsip",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"ircident",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"maxlogins",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      },
      {
        "@type":"org.drftpd.common.dynamicdata.Key",
        "_key":"comment",
        "_owner":"org.drftpd.master.commands.usermanagement.UserManagement"
      }
    ],
    "@items":[
      {
        "@type":"float",
        "value":1.0
      },
      {
        "@type":"date",
        "value":1657640555975
      },
      {
        "@type":"int",
        "value":0
      },
      {
        "@type":"int",
        "value":3147
      },
      {
        "@type":"date",
        "value":1657640555975
      },
      "tagline",
      {
        "@type":"int",
        "value":2
      },
      {
        "@type":"float",
        "value":3.0
      },
      0,
      {
        "@type":"int",
        "value":0
      },
      {
        "@type":"date",
        "value":1711114321403
      },
      {
        "@type":"float",
        "value":3.0
      },
      {
        "@type":"int",
        "value":0
      },
      {
        "@type":"int",
        "value":2
      },
      {
        "@type":"int",
        "value":5
      },
      "",
      {
        "@type":"int",
        "value":5
      },
      "some comment"
    ]
  },
  "_lastReset":0,
  "_credits":6540305168416,
  "_group":"GRP",
  "_groups":[],
  "_hostMasks":[
    {
      "@type":"org.drftpd.common.util.HostMask",
      "_hostMask":"x.x.x.*",
      "_identMask":"*"
    },
    {
      "@type":"org.drftpd.common.util.HostMask",
      "_hostMask":"x.x.x.*",
      "_identMask":"*"
    }
  ],
  "_idleTime":300,
  "_username":"something",
  "_uploadedBytes":[
    -125538012,-125538012,-125538012,-125538012
  ],
  "_downloadedBytes":[
    8847,0,0,0
  ],
  "_downloadedFiles":[
    1,0,0,0
  ],
  "_downloadedMilliSeconds":[
    32,0,0,0
  ],
  "_uploadedFiles":[
    -1,-1,-1,-1
  ],
  "_uploadedMilliSeconds":[
    -1224,-1224,-1224,-1224
  ]
}