private static bool Passwd(CommandProcess process, string[] command)
{
if (command.Length == 1)
{
return(false);
}
var cmdArgs = command[1].Split(' ');
if (cmdArgs.Length != 2)
{
return(false);
}
Account account = Account.FromId(process.Credentials.UserId, process.computer);
if (account == null)
{
return(true);
}
string oldpass = cmdArgs[0];
string newpass = cmdArgs[1];
if (oldpass != account.Password)
{
process.Print("The old password is invalid");
return(true);
}
account.Password = newpass;
account.ApplyChanges();
process.Print("Changes successfully applied");
return(true);
}
public static bool Touch(CommandProcess process, string[] command)
{
if (command.Length < 2)
{
process.Print("Usage : touch [fileName]");
}
var activeDirectory = process.ActiveDirectory;
foreach (var fileC in activeDirectory.children)
{
if (fileC.Name == command[1])
{
process.Print("File " + command[1] + " touched.");
fileC.Dirty = true;
return(true);
}
}
if (!activeDirectory.HasWritePermission(process.Credentials))
{
process.Print("Permission denied.");
return(true);
}
File file = process.computer.fileSystem.CreateFile(process.computer, activeDirectory, command[1]);
file.OwnerId = process.Credentials.UserId;
file.Permissions.SetPermission(FilePermissions.PermissionType.User, true, true, false);
file.Permissions.SetPermission(FilePermissions.PermissionType.Group, true, true, false);
file.Group = file.Parent.Group;
process.Print("File " + command[1]);
return(true);
}
public static bool MkDir(CommandProcess process, string[] command)
{
if (command.Length < 2)
{
process.Print("Usage : mkdir [folderName]");
return(true);
}
var activeDirectory = process.ActiveDirectory;
foreach (var fileC in activeDirectory.children)
{
if (fileC.Name == command[1])
{
process.Print("Folder " + command[1] + " already exists.");
return(true);
}
}
bool passed = activeDirectory.HasWritePermission(process.Credentials);
if (!passed)
{
process.Print("Permission denied.");
return(true);
}
File file = process.computer.fileSystem.CreateFile(process.computer, activeDirectory, command[1]);
file.OwnerId = process.Credentials.UserId;
file.Permissions.SetPermission(FilePermissions.PermissionType.User, true, true, true);
file.Permissions.SetPermission(FilePermissions.PermissionType.Group, true, true, true);
file.Group = file.Parent.Group;
return(true);
}
public static bool Compile(CommandProcess process, string[] command)
{
ServerAdmin serverAdmin = (ServerAdmin)process;
if (command.Length != 2)
{
process.Print("Usage: compile FILENAME TYPE");
return(true);
}
string[] args = command[1].Split(' ');
if (args.Length != 2)
{
process.Print("Usage: compile FILENAME TYPE");
return(true);
}
File file = process.ActiveDirectory.GetFile(args[0]);
if (file == null)
{
process.Print("File not found");
return(true);
}
if (file.IsFolder())
{
process.Print("Invalid file, cannot be folder");
return(true);
}
serverAdmin.client.server.GetCompileManager().AddType(file.Checksum, args[1]);
return(true);
}
private static bool CheckMissionId(string missionIdString, out MissionListing mission, MissionClient client, CommandProcess process, MissionDaemon daemon, bool employerCheck = false)
{
mission = null;
if (daemon.missions.Count == 0)
{
process.Print("There are currently no missions available on this board");
return(true);
}
if (!int.TryParse(missionIdString, out int missionId))
{
process.Print("The mission ID must be a number");
return(true);
}
mission = daemon.missions[missionId];
if (mission == null)
{
process.Print("Mission ID not found");
return(true);
}
if (employerCheck)
{
if (mission.employer != client.loggedInAccount.accountName)
{
process.Print("Only the employer can edit the mission");
return(true);
}
}
return(false);
}
public static bool Remove(CommandProcess process, string[] command)
{
if (command.Length < 2)
{
process.Print("Usage : rm [fileName]");
}
var activeDirectory = process.ActiveDirectory;
foreach (var file in activeDirectory.children)
{
if (file.Name == command[1])
{
if (!file.HasWritePermission(process.Credentials))
{
process.Print("Permission denied.");
return(true);
}
process.Print("File " + command[1] + " removed.");
process.computer.Kernel.RemoveFile(process, file);
return(true);
}
}
process.Print("File does not exist.");
return(true);
}
public static bool PlayMusic(CommandProcess process, string[] commandUnsplit)
{
try
{
List <string> command = new List <string>();
command.Add("music");
command.AddRange(commandUnsplit[1].Split());
if (command.Count < 2)
{
process.Print("Usage: music [(nameofsong) (Note: Must be in a folder called \"HNMPMusic\" in the Mods folder as an .wav file.)]\nOR music shuffle\nOR music list");
return(true);
}
process.computer.Kernel.PlayMusic(process, command[1]);
return(true);
}
catch (ObjectDisposedException e)
{
Console.WriteLine(e);
return(true);
}
catch (Exception e)
{
Console.WriteLine(e);
return(true);
}
}
public static bool Login(CommandProcess process, string[] command)
{
if (command.Length < 2)
{
process.Print("Usage : login [username] [password]");
return(true);
}
var args = command[1].Split(' ');
if (args.Length < 2)
{
process.Print("Usage : login [username] [password]");
return(true);
}
process.computer.Kernel.Login(process, args[0], args[1]);
return(true);
}
public static bool CommandExec(CommandProcess process, string[] command)
{
if (command.Length > 1)
{
return(process.RunCommand(command[1]));
}
process.Print(commands[command[0]].Item1);
return(true);
}
public static bool SetPrimaryGroup(CommandProcess process, string[] command)
{
if (command.Length == 1)
{
return(false);
}
var cmdArgs = command[1].Split(' ');
if (cmdArgs.Length != 2)
{
return(false);
}
string username = cmdArgs[0];
string groupname = cmdArgs[1];
File groupsFile = process.computer.fileSystem.RootFile.GetFile("etc").GetFile("group");
File usersFile = process.computer.fileSystem.RootFile.GetFile("etc").GetFile("passwd");
if (!groupsFile.HasWritePermission(process.Credentials) && !usersFile.HasWritePermission(process.Credentials))
{
process.Print("You do not have the required permissions");
return(true);
}
string[] groups = groupsFile.Content.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
List <Account> accounts = process.computer.Kernel.GetAccounts();
if (accounts.All(acc => acc.Username.ToLower() != username.ToLower()))
{
process.Print("The user \"" + username + "\" does not exists");
return(true);
}
if (groups.All(g => !g.StartsWith(groupname.ToLower() + ":")))
{
process.Print("The group \"" + groupname + "\" does not exists");
return(true);
}
Account user = accounts.Find(acc => acc.Username.ToLower() == username.ToLower());
Enum.TryParse(groupname, true, out Group theGroup);
user.GroupId = (int)theGroup;
user.ApplyChanges();
process.Print("done");
return(true);
}
public static bool ConfigCommand(CommandProcess process, string[] command)
{
MailClient client = (MailClient)process;
MailDaemon daemon = (MailDaemon)client.Daemon;
File mailFolder = process.computer.fileSystem.RootFile.GetFile("mail");
if (command.Length < 2)
{
process.Print("Usage : config dns [IP]");
return(true);
}
string[] cmdArgs = command[1].Split(' ');
if (cmdArgs.Length != 2)
{
process.Print("Usage : config dns [IP]");
return(true);
}
if (cmdArgs[0] == "dns")
{
if (!Permissions.PermissionHelper.CheckCredentials(process.Credentials, Permissions.Group.ROOT))
{
process.Print("You must be logged in as root to use this command!");
return(true);
}
if (cmdArgs.Length != 2)
{
process.Print("config dns [IP of DNS Server]");
return(true);
}
Node dnsServer = Server.Instance.GetComputerManager().GetNodeByIp(cmdArgs[1]);
if (dnsServer == null)
{
process.Print($"{cmdArgs[1]} does not exist!");
return(true);
}
File dnsDaemon = dnsServer.fileSystem.RootFile.GetFileAtPath("daemons/dns");
if (dnsDaemon == null)
{
process.Print($"{dnsServer.ip} doesn't have a DNS daemon");
return(true);
}
File configFile = client.computer.fileSystem.RootFile.GetFileAtPath("mail/config.json");
JObject configObject = JObject.Parse(configFile.Content);
configObject["DNS"] = cmdArgs[1];
configFile.Content = configObject.ToString();
process.Print($"DNS changed to {cmdArgs[1]}");
return(true);
}
process.Print("Config option not found");
return(true);
}
public static bool ChangeDirectory(CommandProcess process, string[] command)
{
if (command.Length < 2)
{
process.Print("Usage : cd [folder]");
return(true);
}
if (command[1] == "..")
{
if (process.ActiveDirectory.Parent != null)
{
process.ActiveDirectory = process.ActiveDirectory.Parent;
return(true);
}
else
{
process.Print("Invalid operation.");
return(true);
}
}
foreach (var file in process.ActiveDirectory.children)
{
if (file.Name == command[1])
{
if (!file.IsFolder())
{
process.Print("You cannot change active directory to a file.");
return(true);
}
if (!file.HasExecutePermission(process.Credentials))
{
process.Print("You do not have permission to do this. You must have execute permission to access a directory.");
return(true);
}
process.ActiveDirectory = file;
process.computer.Kernel.CD(process, file.Name);
return(true);
}
}
process.Print("No such folder.");
return(true);
}
public static bool Connect(CommandProcess process, string[] command)
{
if (command.Length < 2)
{
process.Print("Usage : command [ip]");
return(true);
}
process.computer.Kernel.Connect(process, command[1]);
return(true);
}
private static bool Daemon(CommandProcess process, string[] command)
{
if (command.Length != 2)
{
process.Print("Usage : daemon [name of daemon]");
return(true);
}
string target = command[1];
process.computer.Kernel.OpenDaemon(process, target);
return(true);
}
public static bool Ban(CommandProcess process, string[] commandUnsplit)
{
GameClient client = ((ServerAdmin)process).client;
List <string> command = new List <string>();
command.Add("ban");
command.AddRange(commandUnsplit[1].Split());
if (client.permissions.Contains(HackLinks_Server.Permissions.Admin) == false && client.permissions.Contains(HackLinks_Server.Permissions.Ban) == false)
{
process.Print("Insufficent Privileges");
return(true);
}
if (command.Count < 3)
{
process.Print("Usage: ban [username] [unban (t/f)] [permban (t/f)] [days] [hr] [mins]");
return(true);
}
if (command.Count < 4)
{
Server.Instance.DatabaseLink.SetUserBanStatus(command[1], command[3] == "t" ? -1 : 0, false);
return(true);
}
int days = Convert.ToInt32(command[4]);
int hours = command.Count <= 6 ? Convert.ToInt32(command[5]) : 0;
int minutes = command.Count <= 7 ? Convert.ToInt32(command[6]) : 0;
days = days * 86400;
hours = hours * 3600;
minutes = minutes * 60;
int banExpiry = (int)DateTimeOffset.UtcNow.ToUnixTimeSeconds() + days + hours + minutes;
if (!Server.Instance.DatabaseLink.SetUserBanStatus(command[1], banExpiry, false))
{
process.Print("The user does not exist in the user database");
}
return(true);
}
public static bool Web(CommandProcess process, string[] arguments)
{
HTTPClient client = (HTTPClient)process;
if (arguments.Length < 2)
{
process.Print("Usage : web [interface name] [arguments]");
return(true);
}
client.ActivePage.UseInterfaces(client, arguments[1].Split(' '));
return(true);
}
public static bool PlayMusic(CommandProcess process, string[] commandUnsplit)
{
List <string> command = new List <string>();
command.Add("music");
command.AddRange(commandUnsplit[1].Split());
if (command.Count < 3)
{
process.Print("Usage: music [file ((DLC\\)Music\\NameOfFile)] [playimmediately (0/1)]");
return(true);
}
process.computer.Kernel.PlayMusic(process, command[1], command[2]);
return(true);
}
public static bool Balance(CommandProcess process, string[] command)
{
BankClient client = (BankClient)process;
BankDaemon daemon = (BankDaemon)client.Daemon;
if (command[0] == "balance")
{
if (command.Length < 2)
{
process.Print("Usage : balance set [accountname] [value]/get [accountname]");
return(true);
}
var cmdArgs = command[1].Split(' ');
if (cmdArgs.Length < 2)
{
process.Print("Usage : balance set [accountname] [value]/get [accountname]");
return(true);
}
if (cmdArgs[0] == "set" && cmdArgs.Length < 3)
{
process.Print("Usage : balance set [accountname] [value]/get [accountname]");
return(true);
}
BankAccount account = null;
foreach (var account2 in daemon.accounts)
{
if (account2.accountName == cmdArgs[1])
{
account = account2;
break;
}
}
if (account == null)
{
process.Print("Account data for this account does not exist in the database");
return(true);
}
if (cmdArgs[0] == "set")
{
if (int.TryParse(cmdArgs[2], out int val))
{
account.balance = val;
daemon.UpdateAccountDatabase();
var bankFolder = process.computer.fileSystem.rootFile.GetFile("bank");
daemon.LogTransaction($"{account.accountName},CHEATED Balance set to {val}", client.Session.sessionId, client.Session.owner.homeComputer.ip);
}
else
{
process.Print("Error: non-integer value specified");
return(true);
}
}
process.Print($"Account balance for {account.accountName} is {account.balance}");
return(true);
}
return(false);
}
public static bool Ls(CommandProcess process, string[] command)
{
File root = process.computer.fileSystem.rootFile;
if (command.Length == 2)
{
foreach (File file in process.ActiveDirectory.children)
{
if (command[1] == file.Name)
{
process.Print($"File {file.Name} > Owner '{process.computer.GetUsername(file.OwnerId)}' Group '{file.Group}' Permissions '{Permissions.PermissionHelper.PermissionToDisplayString(file.Permissions)}'");
return(true);
}
}
process.Print("File " + command[1] + " not found.");
return(true);
}
else
{
List <string> fileList = new List <string>(new string[] { process.ActiveDirectory.Name });
foreach (File file in process.ActiveDirectory.children)
{
if (file.HasReadPermission(process.Credentials))
{
fileList.AddRange(new string[] {
file.Name, (file.IsFolder() ? "d" : "f"), (file.HasWritePermission(process.Credentials) ? "w" : "-")
});
}
else
{
Logger.Warning($"User {process.computer.GetUsername(process.Credentials.UserId)} doesn't have permission for {file.Name} {file.Group} {file.Permissions.PermissionValue}");
}
}
process.computer.Kernel.LS(process, fileList.ToArray());
return(true);
}
}
public static bool View(CommandProcess process, string[] command)
{
if (command.Length < 2)
{
process.Print("Usage : view [file]");
return(true);
}
var cmdArgs = command[1].Split(' ');
if (cmdArgs.Length != 1)
{
process.Print("Usage : view [file]");
return(true);
}
var activeDirectory = process.ActiveDirectory;
var file = activeDirectory.GetFile(cmdArgs[0]);
if (file == null)
{
process.Print("File " + cmdArgs[0] + " not found.");
return(true);
}
if (file.IsFolder())
{
process.Print("You cannot display a directory.");
return(true);
}
if (!file.HasReadPermission(process.Credentials))
{
process.Print("Permission denied.");
return(true);
}
process.computer.Kernel.Display(process, "view", file.Name, file.Content);
return(true);
}
public static bool DeleteUser(CommandProcess process, string[] command)
{
if (command.Length == 1)
{
return(false);
}
var cmdArgs = command[1].Split(' ');
if (cmdArgs.Length != 1)
{
return(false);
}
File groupsFile = process.computer.fileSystem.RootFile.GetFile("etc").GetFile("group");
File usersFile = process.computer.fileSystem.RootFile.GetFile("etc").GetFile("passwd");
if (!groupsFile.HasWritePermission(process.Credentials) && !usersFile.HasWritePermission(process.Credentials))
{
process.Print("You do not have the required permissions");
return(true);
}
string username = cmdArgs[0];
List <Account> accounts = process.computer.Kernel.GetAccounts();
if (accounts.Find(acc => acc.Username == username) == null)
{
process.Print("The user \"" + username + "\" does not exists");
return(true);
}
Account account = accounts.Find(acc => acc.Username == username);
account.Delete();
account.ApplyChanges();
process.Print("The account \"" + account.Username + "\" has been successfully deleted");
return(true);
}
public static bool Balance(CommandProcess process, string[] command)
{
BankClient client = (BankClient)process;
BankDaemon daemon = (BankDaemon)client.Daemon;
if (command[0] == "balance")
{
if (command.Length < 2)
{
process.Print("Usage : balance set [accountname] [value]/get [accountname]");
return(true);
}
var cmdArgs = command[1].Split(' ');
if (cmdArgs.Length < 2)
{
process.Print("Usage : balance set [accountname] [value]/get [accountname]");
return(true);
}
if (cmdArgs[0] == "set" && cmdArgs.Length < 3)
{
process.Print("Usage : balance set [accountname] [value]/get [accountname]");
return(true);
}
Account account = null;
foreach (var account2 in daemon.accounts)
{
if (account2.accountName == cmdArgs[1])
{
account = account2;
break;
}
}
if (account == null)
{
process.Print("Account data for this account does not exist in the database");
return(true);
}
if (cmdArgs[0] == "set")
{
if (int.TryParse(cmdArgs[2], out int val))
{
account.balance = val;
daemon.UpdateAccountDatabase();
}
else
{
process.Print("Error: non-integer value specified");
return(true);
}
}
process.Print($"Account balance for {account.accountName} is {account.balance}");
return(true);
}
return(false);
}
public static bool AddToNetMap(CommandProcess process, string[] commandUnsplit)
{
List <string> command = new List <string>();
command.Add("netmap");
command.AddRange(commandUnsplit[1].Split());
if (command.Count < 4)
{
//TODO kernel
process.Print("Usage: netmap [ip] [x] [y]");
return(true);
}
//TODO kernel
process.computer.Kernel.AddNodeToNetMap(process, Server.Instance.DatabaseLink.Computers.Find(command[1]), command[2], command[3]);
return(true);
}
public static bool ChMod(CommandProcess process, string[] command)
{
if (command.Length < 2)
{
process.Print(commands[command[0]].Item1);
return(true);
}
var cmdArgs = command[1].Split(' ');
if (cmdArgs.Length != 2)
{
process.Print(commands[command[0]].Item1);
return(true);
}
var activePrivs = process.Credentials.Groups;
var activeDirectory = process.ActiveDirectory;
foreach (var fileC in activeDirectory.children)
{
if (fileC.Name == cmdArgs[1])
{
if (process.Credentials.UserId != fileC.OwnerId)
{
process.Print("Permission denied.");
return(true);
}
if (!Permissions.PermissionHelper.ApplyModifiers(cmdArgs[0], fileC.Permissions))
{
process.Print($"Invalid mode '{cmdArgs[0]}'\r\nUsage : chmod [permissions] [file]");
return(true);
}
process.Print($"File {fileC.Name} permissions changed. to {fileC.Permissions.PermissionValue}");
return(true);
}
}
process.Print("File " + cmdArgs[1] + " was not found.");
return(true);
}
public static bool ShowCommand(CommandProcess process, string[] command)
{
MailClient client = (MailClient)process;
MailDaemon daemon = (MailDaemon)client.Daemon;
File mailFolder = process.computer.fileSystem.RootFile.GetFile("mail");
if (command.Length < 2)
{
process.Print("Usage : show [message ID]");
return(true);
}
string[] cmdArgs = command[1].Split(' ');
if (client.loggedInAccount == null)
{
process.Print("You aren't logged in!");
return(true);
}
if (cmdArgs.Length != 1)
{
process.Print("Usage : show [message ID]");
return(true);
}
if (!int.TryParse(cmdArgs[0], out int number))
{
process.Print("Please provide a proper message number");
return(true);
}
File message = process.computer.fileSystem.RootFile.GetFileAtPath($"mail/users/{client.loggedInAccount.accountName}/Inbox/{number}.json");
if (message == null)
{
process.Print("That message doesn't exist!");
return(true);
}
MailMessage messageObject = new MailMessage(message);
process.Print(messageObject.Body);
return(true);
}
public static bool AccountCommand(CommandProcess process, string[] command)
{
MailClient client = (MailClient)process;
MailDaemon daemon = (MailDaemon)client.Daemon;
File mailFolder = process.computer.fileSystem.RootFile.GetFile("mail");
File accountFile = mailFolder.GetFile("accounts.db");
if (command.Length < 2)
{
process.Print("Usage : account [create/login/resetpass]");
return(true);
}
string[] cmdArgs = command[1].Split(' ');
if (cmdArgs[0] == "create")
{
if (cmdArgs.Length != 3)
{
process.Print("Usage : account create [username] [password]");
return(true);
}
List <MailAccount> accounts = new List <MailAccount>();
accounts.AddRange(accountFile.Content.Split(new string[] { "\n", "\r\n" }, StringSplitOptions.RemoveEmptyEntries).Select(x => {
// The mail account format is MAILACCOUNT,(username),(password)
var data = x.Split(',');
if (data[0] != "MAILACCOUNT" || data.Length < 3)
{
return(null);
}
return(new MailAccount(data[1], data[2]));
}));
foreach (MailAccount account in accounts)
{
if (account != null)
{
if (account.accountName == cmdArgs[1])
{
process.Print("This username already exists!");
return(true);
}
}
}
daemon.AddAccount(new MailAccount(cmdArgs[1], cmdArgs[2]));
process.Print($"Created an account with the name {cmdArgs[1]}");
return(true);
}
else if (cmdArgs[0] == "login")
{
if (cmdArgs.Length != 3)
{
process.Print("Usage : account login [username] [password]");
return(true);
}
MailAccount accountToLogin = new MailAccount(cmdArgs[1], cmdArgs[2]);
if (daemon.accounts.Count == 0)
{
process.Print("This server has no accounts.");
return(true);
}
bool accountExists = false;
foreach (MailAccount account in daemon.accounts)
{
if (account.accountName == accountToLogin.accountName && account.password == accountToLogin.password)
{
accountExists = true;
}
}
if (!accountExists)
{
process.Print("This account either doesn't exist or the password is incorrect!");
return(true);
}
client.loggedInAccount = accountToLogin;
process.Print($"Logged in as {accountToLogin.accountName}");
return(true);
}
else if (cmdArgs[0] == "resetpass")
{
if (cmdArgs.Length != 2)
{
process.Print("Usage : account resetpass [new password]");
return(true);
}
if (client.loggedInAccount == null)
{
process.Print("You are not logged in!");
return(true);
}
daemon.accounts.Remove(client.loggedInAccount);
client.loggedInAccount.password = cmdArgs[1];
daemon.AddAccount(client.loggedInAccount);
process.Print($"Your new password is \"{cmdArgs[1]}\"!");
return(true);
}
process.Print("Command not found, try using \"help\"");
return(true);
}
public static bool ListCommand(CommandProcess process, string[] command)
{
MailClient client = (MailClient)process;
MailDaemon daemon = (MailDaemon)client.Daemon;
File mailFolder = process.computer.fileSystem.RootFile.GetFile("mail");
string[] cmdArgs = command.Length > 1 ? command[1].Split(' ') : new string[] { };
if (client.loggedInAccount == null)
{
process.Print("You aren't logged in!");
return(true);
}
List <File> children = new List <File>(process.computer.fileSystem.RootFile.GetFileAtPath($"mail/users/{client.loggedInAccount.accountName}/Inbox").children);
if (children.Count == 0)
{
process.Print("You have no messgaes!");
return(true);
}
if (cmdArgs.Length != 1)
{
string outputString = "Here are your ten most recent messages :\n";
int i = 0;
foreach (File message in process.computer.fileSystem.RootFile.GetFileAtPath($"mail/users/{client.loggedInAccount.accountName}/Inbox").children)
{
MailMessage messageObject = new MailMessage(message);
outputString += $"[{message.Name.Replace(".json", "")}] From {messageObject.From} At {messageObject.TimeSent}\n";
i++;
if (i >= 10)
{
break;
}
}
process.Print(outputString);
return(true);
}
if (!int.TryParse(cmdArgs[0], out int page))
{
process.Print("Please provide a valid page number!");
return(true);
}
if (!(page > 0) || (double)page - 1 > (double)children.Count / 10)
{
process.Print("Please provide a valid page number!");
return(true);
}
int startInt = page == 1 ? 1 : page * 10 - 10;
int endInt = startInt + 9;
int index = 1;
List <File> messages = new List <File>();
foreach (File message in children)
{
if (index >= startInt && index <= endInt)
{
messages.Add(message);
}
index++;
}
string printString = $"Page {page} :\n";
foreach (File message in messages)
{
MailMessage messageObject = new MailMessage(message);
printString += $"[{message.Name.Replace(".json", "")}] From {messageObject.From} At {messageObject.TimeSent}\n";
}
process.Print(printString);
return(true);
}
public static bool SendCommand(CommandProcess process, string[] command)
{
MailClient client = (MailClient)process;
MailDaemon daemon = (MailDaemon)client.Daemon;
File mailFolder = process.computer.fileSystem.RootFile.GetFile("mail");
if (command.Length < 2)
{
process.Print("Usage : send [username@ip] [message]");
return(true);
}
string[] cmdArgs = command[1].Split(' ');
if (cmdArgs.Length < 2)
{
process.Print("Usage : send [username@ip] [message]");
return(true);
}
var email = cmdArgs[0].Split('@');
int i = 0;
string message = "";
foreach (string word in cmdArgs)
{
if (i > 0)
{
message += word + " ";
}
i++;
}
if (client.loggedInAccount == null)
{
process.Print("You aren't logged in!");
return(true);
}
JObject config = JObject.Parse(process.computer.fileSystem.RootFile.GetFileAtPath("mail/config.json").Content);
Node dnsServer = Server.Instance.GetComputerManager().GetNodeByIp(config.Properties()
.Where(x => x.Name == "DNS")
.Select(y => { return((string)y.Value); })
.DefaultIfEmpty(null)
.First());
if (dnsServer == null)
{
process.Print($"Error! The specified DNS server ({dnsServer.ip}) does not exist! Please notify the network admin!");
return(true);
}
DNSDaemon dnsDaemon = (DNSDaemon)dnsServer.GetDaemon("dns");
if (dnsDaemon == null)
{
process.Print($"Error! {dnsServer.ip} does not have a DNS server installed! Please notify the network admin!");
return(true);
}
Node mailServer = Server.Instance.GetComputerManager().GetNodeByIp(dnsDaemon.LookUp(email[1], true));
if (mailServer == null)
{
process.Print("The receiving server does not exist!");
return(true);
}
MailDaemon mailDaemon = (MailDaemon)mailServer.GetDaemon("mail");
if (mailDaemon == null)
{
process.Print("The receiving end does not have a mail server set up!");
return(true);
}
MailMessage messageObject = new MailMessage(email[0], client.loggedInAccount.accountName + "@" + process.computer.ip, message);
if (!mailDaemon.ReceiveMail(messageObject))
{
process.Print("The receiving account does not exist!");
return(true);
}
File userSentDir = process.computer.fileSystem.RootFile.GetFileAtPath($"mail/users/{client.loggedInAccount.accountName}/Sent");
File messageFile = File.CreateNewFile(userSentDir, $"{userSentDir.children.Count + 1}.json");
messageFile.Content = messageObject.ToJObject().ToString();
messageFile.OwnerId = 0;
messageFile.Permissions.SetPermission(FilePermissions.PermissionType.User, true, true, true);
process.Print("The email has been sent!");
return(true);
}
public static bool BankAccount(CommandProcess process, string[] command)
{
BankClient client = (BankClient)process;
BankDaemon daemon = (BankDaemon)client.Daemon;
var bankFolder = process.computer.fileSystem.rootFile.GetFile("bank");
var accountFile = bankFolder.GetFile("accounts.db");
if (command[0] == "account")
{
if (command.Length < 2)
{
process.Print("Usage : account [create/login/resetpass/balance/transfer/transactions/close]");
return(true);
}
var cmdArgs = command[1].Split(' ');
if (cmdArgs[0] == "create")
{
if (cmdArgs.Length < 4)
{
process.Print("Usage : account create [accountname] [email] [password]");
return(true);
}
string[] emailArgs = cmdArgs[2].Split('@');
if (emailArgs.Length != 2)
{
process.Print("Not a valid email address");
return(true);
}
Node emailServer = Server.Instance.GetComputerManager().GetNodeByIp(emailArgs[1]);
if (emailServer == null)
{
process.Print("The email server does not exist!\nMake sure you use the IP of the mail server, not the domain.");
}
MailDaemon mailDaemon = (MailDaemon)emailServer.GetDaemon("mail");
if (mailDaemon == null)
{
process.Print("IP of the email address does not have an email server installed!");
return(true);
}
if (!mailDaemon.accounts.Any(x => x.accountName == emailArgs[0]))
{
process.Print("The email account on that email server does not exist!");
return(true);
}
List <string> accounts = new List <string>();
var accountsFile = accountFile.Content.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
if (accountsFile.Length != 0)
{
foreach (string line in accountFile.Content.Split(new string[] { "\n", "\r\n" }, StringSplitOptions.RemoveEmptyEntries))
{
var data = line.Split(',');
if (data.Length < 5)
{
continue;
}
accounts.Add(data[0]);
}
}
if (accounts.Contains(cmdArgs[1]))
{
process.Print("This account name is not available");
return(true);
}
daemon.accounts.Add(new BankAccount(cmdArgs[1], 0, cmdArgs[3], client.Session.owner.username, cmdArgs[2]));
daemon.UpdateAccountDatabase();
process.Print("Your account has been opened. Use account login [accountname] [password] to login.");
}
if (cmdArgs[0] == "login")
{
if (cmdArgs.Length < 3)
{
process.Print("Usage : account login [accountname] [password]");
return(true);
}
foreach (var account in daemon.accounts)
{
if (account.accountName == cmdArgs[1] && account.password == cmdArgs[2])
{
client.loggedInAccount = account;
daemon.computer.Log(Log.LogEvents.Login, daemon.computer.logs.Count + 1 + " " + client.Session.owner.homeComputer.ip + " logged in as bank account " + account.accountName, client.Session.sessionId, client.Session.owner.homeComputer.ip);
process.Print($"Logged into bank account {account.accountName} successfully");
return(true);
}
}
process.Print("Invalid account name or password");
}
if (cmdArgs[0] == "resetpass")
{
if (cmdArgs.Length == 2)
{
BankAccount account = daemon.accounts.Where(x => x.accountName == cmdArgs[1]).DefaultIfEmpty(null).First();
if (account == null)
{
process.Print("That account does not exist!");
return(true);
}
if (!MailDaemon.SendPasswordResetEmail(process.computer, account.email, account.accountName))
{
process.Print("The email failed to send! Either the account no longer exists, or an authentication code has already been sent to this email less than an hour ago!");
return(true);
}
process.Print("Password reset email sent to the email associated with this account!");
return(true);
}
if (cmdArgs.Length < 4)
{
process.Print("Usage : account resetpass [accountname] [authentication code] [newpassword]");
return(true);
}
if (!int.TryParse(cmdArgs[2], out int authCode))
{
process.Print("Please use a valid authentication code!");
return(true);
}
if (!MailDaemon.CheckIfAuthRequestIsValid(process.computer, cmdArgs[1], authCode) || !daemon.accounts.Any(x => x.accountName == cmdArgs[1]))
{
process.Print("Something went wrong when trying to authenticate!\nEither the username does not exist, or the authentication code is invalid!");
return(true);
}
foreach (BankAccount account in daemon.accounts)
{
if (account.accountName == cmdArgs[1])
{
account.password = cmdArgs[3];
daemon.UpdateAccountDatabase();
}
}
process.Print("Password reset successful!");
return(true);
}
if (cmdArgs[0] == "balance")
{
if (client.loggedInAccount == null)
{
process.Print("You are not logged in");
return(true);
}
process.Print($"Account balance for {client.loggedInAccount.accountName} is {client.loggedInAccount.balance}");
}
if (cmdArgs[0] == "transfer")
{
if (cmdArgs.Length < 4)
{
process.Print("Usage : account transfer [receivingaccountname] [receivingbankip] [amount]");
return(true);
}
if (client.loggedInAccount == null)
{
process.Print("You are not logged in");
return(true);
}
if (client.loggedInAccount.balance < Convert.ToInt32(cmdArgs[3]))
{
process.Print("Account does not have enough balance");
return(true);
}
if (Server.Instance.GetComputerManager().GetNodeByIp(cmdArgs[2]) == null)
{
process.Print("The receiving computer does not exist");
return(true);
}
BankDaemon targetBank = null;
foreach (var computer in Server.Instance.GetComputerManager().NodeList)
{
if (computer.ip == cmdArgs[2])
{
Daemon targetDaemon = computer.GetDaemon("Bank");
if (targetDaemon == null)
{
process.Print("The receiving computer does not have a bank daemon");
return(true);
}
targetBank = (BankDaemon)targetDaemon;
break;
}
}
BankAccount accountTo = null;
foreach (var account in targetBank.accounts)
{
if (account.accountName == cmdArgs[1])
{
accountTo = account;
break;
}
}
if (accountTo == null)
{
process.Print("The receiving account does not exist");
return(true);
}
targetBank.ProcessBankTransfer(client.loggedInAccount, accountTo, cmdArgs[2], int.Parse(cmdArgs[3]), client.Session);
daemon.LogTransaction($"{client.loggedInAccount.accountName},{client.Session.owner.homeComputer.ip} transferred {cmdArgs[3]} from {client.loggedInAccount.accountName} to {accountTo.accountName}@{targetBank.computer.ip}", client.Session.sessionId, client.Session.owner.homeComputer.ip);
}
if (cmdArgs[0] == "transactions")
{
if (client.loggedInAccount == null)
{
process.Print("You are not logged in");
return(true);
}
File transactionLog = bankFolder.GetFile("transactionlog.db");
if (transactionLog == null)
{
process.Print("This bank does not keep transaction logs");
return(true);
}
List <string> transactions = transactionLog.Content.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries).ToList();
if (transactions.Count == 0)
{
process.Print("The transaction log database is empty");
return(true);
}
int pageNumber = 1;
int totalPages = transactions.Count / 10 == 0 ? 1 : transactions.Count / 10 + transactions.Count % 10 >= 1 ? 1 : 0;
if (cmdArgs.Length > 1)
{
if (int.TryParse(cmdArgs[1], out pageNumber))
{
if (pageNumber != 1)
{
if (pageNumber <= 0 || pageNumber > totalPages)
{
process.Print("Invalid page number");
return(true);
}
}
}
}
string transactionLogForClient = "------ Transaction Log for " + client.loggedInAccount.accountName + " ------\n";
if (pageNumber == 1)
{
transactions = (List <string>)transactions.Where(transaction => transaction.Split(',')[0] == client.loggedInAccount.accountName).Take(10);
}
else
{
transactions = (List <string>)transactions.Where(transaction => transaction.Split(',')[0] == client.loggedInAccount.accountName).Skip(pageNumber * 10).Take(10);
}
//for (int i = transactions.Length - pageModifier; transactions.Length - pageModifier < i; i--)
//{
// string[] transaction = transactions[currentTransaction].Split(',');
// if (transaction[0] == client.loggedInAccount.accountName)
// {
// transactionLogForClient += transaction[1] + "\n";
// }
// else
// i++;
// currentTransaction--;
//}
foreach (var transaction in transactions)
{
transactionLogForClient += transaction[1] + "\n";
}
if (transactionLogForClient == "------ Transaction Log for " + client.loggedInAccount.accountName + " ------\n")
{
transactionLogForClient += "\nThis account's transaction log is empty\n";
}
transactionLogForClient += "------ Page " + pageNumber + "/" + totalPages + " ------";
process.Print(transactionLogForClient);
}
if (cmdArgs[0] == "close")
{
if (client.loggedInAccount == null)
{
process.Print("You are not logged in");
return(true);
}
if (client.loggedInAccount.balance != 0)
{
process.Print("Your account balance must be zero before you can close your account.\nUse account transfer to transfer your money out of your account");
return(true);
}
daemon.accounts.Remove(client.loggedInAccount);
daemon.UpdateAccountDatabase();
client.loggedInAccount = null;
process.Print("Your account has been closed");
}
return(true);
}
return(false);
}
public static bool Fedit(CommandProcess process, string[] command)
{
if (command.Length < 2)
{
process.Print("Usage : fedit [append/line/remove/insert/help]");
return(true);
}
var cmdArgs = command[1].Split(' ');
if (cmdArgs[0] == "help")
{
process.Print("fedit [append] [file] [text] - Appends 'text' in a new line, at the bottom of the file.\n" +
"fedit [line] [file] [n] [text] - Changes content of line 'n' to 'text'.\n" +
"fedit [remove] [file] [n] - Removes line 'n' of the file.\n" +
"fedit [insert] [file] [n] [text] - Insert a new line containing 'text' in the 'n' line number.");
return(true);
}
if (cmdArgs[0] == "append")
{
if (cmdArgs.Length < 3)
{
process.Print("Missing arguments");
return(true);
}
var file = process.ActiveDirectory.GetFile(cmdArgs[1]);
if (file == null)
{
process.Print("File " + cmdArgs[1] + " not found.");
return(true);
}
if (!file.HasWritePermission(process.Credentials))
{
process.Print("Permission denied.");
return(true);
}
file.Content += '\n' + cmdArgs.JoinWords(" ", 2);
process.Print("Content appended.");
return(true);
}
if (cmdArgs[0] == "line")
{
if (cmdArgs.Length < 3)
{
process.Print("Missing arguments");
return(true);
}
var file = process.ActiveDirectory.GetFile(cmdArgs[1]);
if (file == null)
{
process.Print("File " + cmdArgs[1] + " not found.");
return(true);
}
if (!file.HasWritePermission(process.Credentials))
{
process.Print("Permission denied.");
return(true);
}
int n;
if (!int.TryParse(cmdArgs[2], out n))
{
process.Print("Wrong line number.");
return(true);
}
var nth = file.Content.GetNthOccurence(n, '\n');
file.Content = file.Content.Remove(nth, file.Content.GetNthOccurence(n + 1, '\n') - nth);
file.Content = file.Content.Insert(nth, '\n' + cmdArgs.JoinWords(" ", 3));
process.Print("Line edited.");
return(true);
}
if (cmdArgs[0] == "remove")
{
if (cmdArgs.Length < 3)
{
process.Print("Missing arguments");
return(true);
}
var file = process.ActiveDirectory.GetFile(cmdArgs[1]);
if (file == null)
{
process.Print("File " + cmdArgs[1] + " not found.");
return(true);
}
if (!file.HasWritePermission(process.Credentials))
{
process.Print("Permission denied.");
return(true);
}
int n;
if (!int.TryParse(cmdArgs[2], out n))
{
process.Print("Wrong line number.");
return(true);
}
var nth = file.Content.GetNthOccurence(n, '\n');
file.Content = file.Content.Remove(nth, file.Content.GetNthOccurence(n + 1, '\n') - nth);
process.Print("Line removed");
return(true);
}
if (cmdArgs[0] == "insert")
{
if (cmdArgs.Length < 3)
{
process.Print("Missing arguments");
return(true);
}
var file = process.ActiveDirectory.GetFile(cmdArgs[1]);
if (file == null)
{
process.Print("File " + cmdArgs[1] + " not found.");
return(true);
}
if (!file.HasWritePermission(process.Credentials))
{
process.Print("Permission denied.");
return(true);
}
int n;
if (!int.TryParse(cmdArgs[2], out n))
{
process.Print("Wrong line number.");
return(true);
}
file.Content = file.Content.Insert(file.Content.GetNthOccurence(n, '\n'), '\n' + cmdArgs.JoinWords(" ", 3));
process.Print("Content inserted");
return(true);
}
process.Print("Usage : fedit [append/line/remove/insert/help]");
return(true);
}
