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Nibriboard
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[server] Bugfix core user/rbac + manager data structures

This commit is contained in:
Starbeamrainbowlabs 2017-12-30 12:31:00 +00:00
parent def3c2f003
commit 193421261a
Signed by: sbrl
GPG Key ID: 1BE5172E637709C2
7 changed files with 412 additions and 96 deletions
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350
Nibriboard/CommandConsole.cs
View File

@ -1,11 +1,13 @@
using System; using System;
using System.Diagnostics; using System.Diagnostics;
using System.IO; using System.IO;
using System.Linq;
using System.Net; using System.Net;
using System.Net.Sockets; using System.Net.Sockets;
using System.Threading.Tasks; using System.Threading.Tasks;
using Nibriboard.Client; using Nibriboard.Client;
using Nibriboard.RippleSpace; using Nibriboard.RippleSpace;
using Nibriboard.Userspace;
using Nibriboard.Utilities; using Nibriboard.Utilities;
namespace Nibriboard namespace Nibriboard
@ -55,116 +57,50 @@ namespace Nibriboard
} }
} }
private async Task executeCommand(StreamWriter destination, string[] commandParts) private async Task executeCommand(StreamWriter dest, string[] commandParts)
{ {
string commandName = commandParts[0].Trim(); string commandName = commandParts[0].Trim();
switch(commandName) switch(commandName)
{ {
case "help": case "help":
await destination.WriteLineAsync("Nibriboard Server Command Console"); await dest.WriteLineAsync("Nibriboard Server Command Console");
await destination.WriteLineAsync("================================="); await dest.WriteLineAsync("=================================");
await destination.WriteLineAsync("Available commands:"); await dest.WriteLineAsync("Available commands:");
await destination.WriteLineAsync(" help Show this message"); await dest.WriteLineAsync(" help Show this message");
await destination.WriteLineAsync(" version Show the version of nibriboard that is currently running"); await dest.WriteLineAsync(" version Show the version of nibriboard that is currently running");
await destination.WriteLineAsync(" save Save the ripplespace to disk"); await dest.WriteLineAsync(" save Save the ripplespace to disk");
await destination.WriteLineAsync(" plane {subcommand} Interact with planes"); await dest.WriteLineAsync(" plane {subcommand} Interact with planes");
await destination.WriteLineAsync(" clients List the currently connected clients"); await dest.WriteLineAsync(" users Interact with user accounts");
await dest.WriteLineAsync(" clients List the currently connected clients");
break; break;
case "version": case "version":
await destination.WriteLineAsync($"Nibriboard Server {NibriboardServer.Version}, built on {NibriboardServer.BuildDate.ToString("R")}"); await dest.WriteLineAsync($"Nibriboard Server {NibriboardServer.Version}, built on {NibriboardServer.BuildDate.ToString("R")}");
await destination.WriteLineAsync("By Starbeamrainbowlabs, licensed under MPL-2.0"); await dest.WriteLineAsync("By Starbeamrainbowlabs, licensed under MPL-2.0");
break; break;
case "save": case "save":
await destination.WriteAsync("Saving ripple space - "); await dest.WriteAsync("Saving ripple space - ");
Stopwatch timer = Stopwatch.StartNew(); Stopwatch timer = Stopwatch.StartNew();
long bytesWritten = await server.PlaneManager.Save(); long bytesWritten = await server.PlaneManager.Save();
long msTaken = timer.ElapsedMilliseconds; long msTaken = timer.ElapsedMilliseconds;
await destination.WriteLineAsync("done."); await dest.WriteLineAsync("done.");
await destination.WriteLineAsync($"{Formatters.HumanSize(bytesWritten)} written in {msTaken}ms."); await dest.WriteLineAsync($"{Formatters.HumanSize(bytesWritten)} written in {msTaken}ms.");
await destination.WriteLineAsync($"Save is now {Formatters.HumanSize(server.PlaneManager.LastSaveSize)} in size."); await dest.WriteLineAsync($"Save is now {Formatters.HumanSize(server.PlaneManager.LastSaveSize)} in size.");
break; break;
case "plane": case "plane":
if(commandParts.Length < 2) { await handlePlaneCommand(commandParts, dest);
await destination.WriteLineAsync("Nibriboard Server Command Console: plane");
await destination.WriteLineAsync("----------------------------------------");
await destination.WriteLineAsync("Interact with planes.");
await destination.WriteLineAsync("Usage:");
await destination.WriteLineAsync(" plane {subcommand}");
await destination.WriteLineAsync();
await destination.WriteLineAsync("Subcommands:");
await destination.WriteLineAsync(" list");
await destination.WriteLineAsync(" List all the currently loaded planes");
await destination.WriteLineAsync(" create {new-plane-name} [{chunkSize}]");
await destination.WriteLineAsync(" Create a new named plane, optionally with the specified chunk size");
await destination.WriteLineAsync(" status {plane-name}");
await destination.WriteLineAsync(" Show the statistics of the specified plane");
break;
}
string subAction = commandParts[1].Trim();
switch(subAction)
{
case "list":
await destination.WriteLineAsync("Planes:");
foreach(Plane plane in server.PlaneManager.Planes)
await destination.WriteLineAsync($" {plane.Name} @ {plane.ChunkSize} ({plane.LoadedChunks} / ~{plane.SoftLoadedChunkLimit} chunks loaded, {plane.UnloadableChunks} inactive, {plane.TotalChunks} total at last save)");
await destination.WriteLineAsync();
await destination.WriteLineAsync($"Total {server.PlaneManager.Planes.Count}");
break;
case "create":
if(commandParts.Length < 3) {
await destination.WriteLineAsync("Error: No name specified for the new plane!");
return;
}
string newPlaneName = commandParts[2].Trim();
int chunkSize = server.PlaneManager.DefaultChunkSize;
if(commandParts.Length >= 4)
chunkSize = int.Parse(commandParts[3]);
server.PlaneManager.CreatePlane(new PlaneInfo(
newPlaneName,
chunkSize
));
await destination.WriteLineAsync($"Created plane with name {newPlaneName} and chunk size {chunkSize}.");
break;
case "status":
if(commandParts.Length < 3) {
await destination.WriteLineAsync("Error: No plane name specified!");
return;
}
string targetPlaneName = commandParts[2].Trim();
Plane targetPlane = server.PlaneManager.GetByName(targetPlaneName);
if(targetPlane == null) {
await destination.WriteLineAsync($"Error: A plane with the name {targetPlaneName} doesn't exist.");
return;
}
await destination.WriteLineAsync($"Name: {targetPlane.Name}");
await destination.WriteLineAsync($"Chunk size: {targetPlane.ChunkSize}");
await destination.WriteLineAsync($"Loaded chunks: {targetPlane.LoadedChunks}");
await destination.WriteLineAsync($"Unloaded chunks: {targetPlane.TotalChunks - targetPlane.LoadedChunks}");
await destination.WriteLineAsync($"Total chunks: {targetPlane.TotalChunks}");
await destination.WriteLineAsync($"Primary chunk area size: {targetPlane.PrimaryChunkAreaSize}");
await destination.WriteLineAsync($"Min unloadeable chunks: {targetPlane.MinUnloadeableChunks}");
await destination.WriteLineAsync($"Soft loaded chunk limit: {targetPlane.SoftLoadedChunkLimit}");
break;
default:
await destination.WriteLineAsync($"Error: Unknown sub-action {subAction}.");
break;
}
break; break;
case "clients": case "clients":
foreach(NibriClient client in server.AppServer.NibriClients) { foreach(NibriClient client in server.AppServer.NibriClients) {
await destination.WriteLineAsync($"{client.Id}: {client.Name} from {client.RemoteEndpoint}, on {client.CurrentPlane.Name} looking at {client.CurrentViewPort}"); await dest.WriteLineAsync($"{client.Id}: {client.Name} from {client.RemoteEndpoint}, on {client.CurrentPlane.Name} looking at {client.CurrentViewPort}");
} }
await destination.WriteLineAsync(); await dest.WriteLineAsync();
await destination.WriteLineAsync($"Total {server.AppServer.ClientCount} clients"); await dest.WriteLineAsync($"Total {server.AppServer.ClientCount} clients");
break;
case "users":
await handleUsersCommand(commandParts, dest);
break; break;
/*case "chunk": /*case "chunk":
@ -195,9 +131,243 @@ namespace Nibriboard
break;*/ break;*/
default: default:
await destination.WriteLineAsync($"Error: Unrecognised command {commandName}"); await dest.WriteLineAsync($"Error: Unrecognised command {commandName}");
break; break;
} }
} }
private async Task handlePlaneCommand(string[] commandParts, StreamWriter dest)
{
if (commandParts.Length < 2)
{
await dest.WriteLineAsync("Nibriboard Server Command Console: plane");
await dest.WriteLineAsync("----------------------------------------");
await dest.WriteLineAsync("Interact with planes.");
await dest.WriteLineAsync("Usage:");
await dest.WriteLineAsync(" plane {subcommand}");
await dest.WriteLineAsync();
await dest.WriteLineAsync("Subcommands:");
await dest.WriteLineAsync(" list");
await dest.WriteLineAsync(" List all the currently loaded planes");
await dest.WriteLineAsync(" create {new-plane-name} [{chunkSize}]");
await dest.WriteLineAsync(" Create a new named plane, optionally with the specified chunk size");
await dest.WriteLineAsync(" status {plane-name}");
await dest.WriteLineAsync(" Show the statistics of the specified plane");
return;
}
string subAction = commandParts[1].Trim();
switch (subAction)
{
case "list":
await dest.WriteLineAsync("Planes:");
foreach (Plane plane in server.PlaneManager.Planes)
await dest.WriteLineAsync($" {plane.Name} @ {plane.ChunkSize} ({plane.LoadedChunks} / ~{plane.SoftLoadedChunkLimit} chunks loaded, {plane.UnloadableChunks} inactive, {plane.TotalChunks} total at last save)");
await dest.WriteLineAsync();
await dest.WriteLineAsync($"Total {server.PlaneManager.Planes.Count}");
break;
case "create":
if (commandParts.Length < 3)
{
await dest.WriteLineAsync("Error: No name specified for the new plane!");
return;
}
string newPlaneName = commandParts[2].Trim();
int chunkSize = server.PlaneManager.DefaultChunkSize;
if (commandParts.Length >= 4)
chunkSize = int.Parse(commandParts[3]);
server.PlaneManager.CreatePlane(new PlaneInfo(
newPlaneName,
chunkSize
));
await dest.WriteLineAsync($"Created plane with name {newPlaneName} and chunk size {chunkSize}.");
break;
case "status":
if (commandParts.Length < 3)
{
await dest.WriteLineAsync("Error: No plane name specified!");
return;
}
string targetPlaneName = commandParts[2].Trim();
Plane targetPlane = server.PlaneManager.GetByName(targetPlaneName);
if (targetPlane == null)
{
await dest.WriteLineAsync($"Error: A plane with the name {targetPlaneName} doesn't exist.");
return;
}
await dest.WriteLineAsync($"Name: {targetPlane.Name}");
await dest.WriteLineAsync($"Chunk size: {targetPlane.ChunkSize}");
await dest.WriteLineAsync($"Loaded chunks: {targetPlane.LoadedChunks}");
await dest.WriteLineAsync($"Unloaded chunks: {targetPlane.TotalChunks - targetPlane.LoadedChunks}");
await dest.WriteLineAsync($"Total chunks: {targetPlane.TotalChunks}");
await dest.WriteLineAsync($"Primary chunk area size: {targetPlane.PrimaryChunkAreaSize}");
await dest.WriteLineAsync($"Min unloadeable chunks: {targetPlane.MinUnloadeableChunks}");
await dest.WriteLineAsync($"Soft loaded chunk limit: {targetPlane.SoftLoadedChunkLimit}");
break;
default:
await dest.WriteLineAsync($"Error: Unknown sub-action {subAction}.");
break;
}
}
private async Task handleUsersCommand(string[] commandParts, StreamWriter dest)
{
if (commandParts.Length < 2)
{
await dest.WriteLineAsync("Nibriboard Server Command Console: users");
await dest.WriteLineAsync("----------------------------------------");
await dest.WriteLineAsync("Interact with user accounts.");
await dest.WriteLineAsync("Usage:");
await dest.WriteLineAsync(" users {subcommand}");
await dest.WriteLineAsync();
await dest.WriteLineAsync("Subcommands:");
await dest.WriteLineAsync(" list");
await dest.WriteLineAsync(" Lists all users.");
await dest.WriteLineAsync(" add {username} {password}");
await dest.WriteLineAsync(" Adds a new user");
await dest.WriteLineAsync(" roles list");
await dest.WriteLineAsync(" Lists all roles");
await dest.WriteLineAsync(" roles grant {role-name} {username}");
await dest.WriteLineAsync(" Adds a role to a user");
await dest.WriteLineAsync(" roles revoke {role-name} {username}");
await dest.WriteLineAsync(" Removes a role from a user");
return;
}
string subAction = commandParts[1].Trim();
switch (subAction)
{
case "list":
await dest.WriteLineAsync(
string.Join("\n", server.AccountManager.Users.Select(
(User user) => $"{user.CreationTime}\t{user.Username}\t{string.Join(", ", user.Roles.Select((RbacRole role) => role.Name))}"
))
);
break;
case "add":
string newUsername = (commandParts[2] ?? "").Trim();
string password = (commandParts[3] ?? "").Trim();
if (newUsername.Length == 0) {
await dest.WriteLineAsync("Error: No username specified!");
break;
}
if (password.Length == 0) {
await dest.WriteLineAsync("Error: No password specified!");
break;
}
server.AccountManager.AddUser(newUsername, password);
await server.SaveUserData();
await dest.WriteLineAsync($"Added user with name {newUsername} successfully.");
break;
case "roles":
await handleRoleCommand(commandParts, dest);
break;
default:
await dest.WriteLineAsync($"Unrecognised sub-command {subAction}.");
break;
}
}
private async Task handleRoleCommand(string[] commandParts, StreamWriter dest)
{
string subAction = (commandParts[2] ?? "").Trim();
if (subAction.Length == 0)
{
await dest.WriteLineAsync($"Error: No sub-action specified.");
return;
}
switch (subAction)
{
case "list":
await dest.WriteLineAsync(string.Join("\n", server.AccountManager.Roles.Select(
(RbacRole role) => role.ToString()
)));
break;
case "grant":
await handleRoleGrantCommand(commandParts, dest);
break;
case "revoke":
await handleRoleRevokeCommand(commandParts, dest);
break;
}
}
private async Task handleRoleGrantCommand(string[] commandParts, StreamWriter dest)
{
string roleName = (commandParts[3] ?? "").Trim();
string recievingUsername = (commandParts[4] ?? "").Trim();
if (roleName.Length == 0) {
await dest.WriteLineAsync("Error: No role name specified!");
return;
}
if (recievingUsername.Length == 0) {
await dest.WriteLineAsync("Error: No username specified!");
return;
}
User user = server.AccountManager.GetByName(recievingUsername);
RbacRole roleToGrant = server.AccountManager.ResolveRole(roleName);
if (user == null) {
await dest.WriteLineAsync($"Error: No user with the the name {recievingUsername} could be found.");
return;
}
if (roleToGrant == null) {
await dest.WriteLineAsync($"Error: No role with the the name {roleName} could be found.");
return;
}
if (user.HasRole(roleToGrant)) {
await dest.WriteLineAsync($"Error: {recievingUsername} already has the role {roleToGrant.Name}.");
return;
}
user.Roles.Add(roleToGrant);
await server.SaveUserData();
await dest.WriteLineAsync($"Role {roleToGrant.Name} added to {user.Username} successfully.");
}
private async Task handleRoleRevokeCommand(string[] commandParts, StreamWriter dest)
{
string roleName = (commandParts[3] ?? "").Trim();
string recievingUsername = (commandParts[4] ?? "").Trim();
if (roleName.Length == 0) {
await dest.WriteLineAsync("Error: No role name specified!");
return;
}
if (recievingUsername.Length == 0) {
await dest.WriteLineAsync("Error: No username specified!");
return;
}
User user = server.AccountManager.GetByName(recievingUsername);
RbacRole roleToGrant = server.AccountManager.ResolveRole(roleName);
if (user == null) {
await dest.WriteLineAsync($"Error: No user with the the name {recievingUsername} could be found.");
return;
}
if (roleToGrant == null) {
await dest.WriteLineAsync($"Error: No role with the the name {roleName} could be found.");
return;
}
if (!user.HasRole(roleToGrant)) {
await dest.WriteLineAsync($"Error: {recievingUsername} doesn't have the role {roleToGrant.Name}.");
return;
}
user.Roles.Remove(roleToGrant);
await server.SaveUserData();
await dest.WriteLineAsync($"Role {roleToGrant.Name} removed from {user.Username} successfully.");
}
} }
} }

17
Nibriboard/NibriboardServer.cs
View File

@ -7,6 +7,8 @@ using Nibriboard.RippleSpace;
using Nibriboard.Client; using Nibriboard.Client;
using System.Reflection; using System.Reflection;
using SBRL.Utilities; using SBRL.Utilities;
using Nibriboard.Userspace;
using Nibriboard.Utilities;
namespace Nibriboard namespace Nibriboard
{ {
@ -46,6 +48,7 @@ namespace Nibriboard
public readonly int CommandPort = 31587; public readonly int CommandPort = 31587;
public readonly int Port = 31586; public readonly int Port = 31586;
public readonly UserManager AccountManager;
public readonly RippleSpaceManager PlaneManager; public readonly RippleSpaceManager PlaneManager;
public readonly NibriboardApp AppServer; public readonly NibriboardApp AppServer;
@ -62,6 +65,13 @@ namespace Nibriboard
PlaneManager = new RippleSpaceManager(pathToRippleSpace); PlaneManager = new RippleSpaceManager(pathToRippleSpace);
} }
// Next, load the user account data
string accountDataPath = CalcPaths.RippleSpaceAccountData(pathToRippleSpace);
AccountManager = new UserManager();
if(File.Exists(accountDataPath))
AccountManager.LoadUserDataFile(CalcPaths.RippleSpaceAccountData(pathToRippleSpace)).Wait();
clientSettings = new ClientSettings() { clientSettings = new ClientSettings() {
SecureWebSocket = false, SecureWebSocket = false,
WebSocketHost = "192.168.0.56", WebSocketHost = "192.168.0.56",
@ -100,5 +110,12 @@ namespace Nibriboard
{ {
await commandServer.Start(); await commandServer.Start();
} }
public async Task SaveUserData()
{
await AccountManager.SaveUserDataFile(
CalcPaths.RippleSpaceAccountData(PlaneManager.SourceDirectory)
);
}
} }
} }

4
Nibriboard/RippleSpace/Plane.cs
View File

@ -310,7 +310,7 @@ namespace Nibriboard.RippleSpace
foreach(KeyValuePair<ChunkReference, Chunk> loadedChunkItem in loadedChunkspace) foreach(KeyValuePair<ChunkReference, Chunk> loadedChunkItem in loadedChunkspace)
{ {
// Figure out where to put the chunk and create the relevant directories // Figure out where to put the chunk and create the relevant directories
string chunkDestinationFilename = CalcPaths.ChunkFilepath(StorageDirectory, loadedChunkItem.Key); string chunkDestinationFilename = CalcPaths.ChunkFilePath(StorageDirectory, loadedChunkItem.Key);
Directory.CreateDirectory(Path.GetDirectoryName(chunkDestinationFilename)); Directory.CreateDirectory(Path.GetDirectoryName(chunkDestinationFilename));
// Ask the chunk to save itself, but only if it isn't empty // Ask the chunk to save itself, but only if it isn't empty
@ -336,7 +336,7 @@ namespace Nibriboard.RippleSpace
long totalSize = 0; long totalSize = 0;
foreach (KeyValuePair<ChunkReference, Chunk> loadedChunkItem in loadedChunkspace) foreach (KeyValuePair<ChunkReference, Chunk> loadedChunkItem in loadedChunkspace)
{ {
string destFilename = CalcPaths.ChunkFilepath(StorageDirectory, loadedChunkItem.Key); string destFilename = CalcPaths.ChunkFilePath(StorageDirectory, loadedChunkItem.Key);
if (!File.Exists(destFilename)) // Don't assume that the file exists - it might be an empty chunk if (!File.Exists(destFilename)) // Don't assume that the file exists - it might be an empty chunk
continue; continue;
totalSize += (new FileInfo(destFilename)).Length; totalSize += (new FileInfo(destFilename)).Length;

20
Nibriboard/Userspace/RbacRole.cs
View File

@ -28,5 +28,25 @@ namespace Nibriboard.Userspace
{ {
return Permissions.Contains(permission) || SubRoles.Any((RbacRole obj) => obj.HasPermission(permission)); return Permissions.Contains(permission) || SubRoles.Any((RbacRole obj) => obj.HasPermission(permission));
} }
public bool HasRole(RbacRole targetRole)
{
if (Name == targetRole.Name)
return true;
return SubRoles.Any((RbacRole subRole) => subRole.HasRole(targetRole));
}
public override string ToString()
{
List<string> subItems = new List<string>();
subItems.AddRange(SubRoles.Select((RbacRole subRole) => $"[r] {subRole.Name}"));
subItems.AddRange(Permissions.Select((RbacPermission subPermission) => $"[p] {subPermission.Name}"));
return string.Format(
"{0}: {1}",
Name,
string.Join(", ", subItems)
);
}
} }
} }

11
Nibriboard/Userspace/User.cs
View File

@ -40,7 +40,7 @@ namespace Nibriboard.Userspace
public string HashedPassword { get; set; } public string HashedPassword { get; set; }
[JsonIgnore] [JsonIgnore]
public List<RbacRole> Roles { get; set; } public List<RbacRole> Roles { get; set; } = new List<RbacRole>();
private List<string> rolesText = null; private List<string> rolesText = null;
public List<string> RolesText { public List<string> RolesText {
@ -48,7 +48,7 @@ namespace Nibriboard.Userspace
return new List<string>(Roles.Select((RbacRole role) => role.Name)); return new List<string>(Roles.Select((RbacRole role) => role.Name));
} }
set { set {
rolesText = value;
} }
} }
@ -85,10 +85,15 @@ namespace Nibriboard.Userspace
return Roles.Any((RbacRole role) => role.HasPermission(permission)); return Roles.Any((RbacRole role) => role.HasPermission(permission));
} }
public bool HasRole(RbacRole targetRole)
{
return Roles.Any((RbacRole role) => role.HasRole(targetRole));
}
[OnDeserialized] [OnDeserialized]
internal void OnDeserialized(StreamingContext context) internal void OnDeserialized(StreamingContext context)
{ {
Roles = new List<RbacRole>(userManager.ResolveRoles(RolesText)); Roles = new List<RbacRole>(userManager.ResolveRoles(rolesText));
} }
} }
} }

99
Nibriboard/Userspace/UserManager.cs
View File

@ -9,8 +9,17 @@ namespace Nibriboard.Userspace
{ {
public class UserManager public class UserManager
{ {
/// <summary>
/// The list of users that this <see cref="UserManager" /> is managing.
/// </summary>
public List<User> Users { get; private set; } = new List<User>(); public List<User> Users { get; private set; } = new List<User>();
/// <summary>
/// A list of the permissions that this <see cref="UserManager" /> is aware of.
/// </summary>
public List<RbacPermission> Permissions { get; private set; } = new List<RbacPermission>(); public List<RbacPermission> Permissions { get; private set; } = new List<RbacPermission>();
/// <summary>
/// A list of the roles that this <see cref="UserManager" /> is aware of.
/// </summary>
public List<RbacRole> Roles { get; private set; } = new List<RbacRole>(); public List<RbacRole> Roles { get; private set; } = new List<RbacRole>();
public UserManager() public UserManager()
@ -45,23 +54,75 @@ namespace Nibriboard.Userspace
})); }));
} }
/// <summary>
/// Loads the user data stored in the specified file.
/// </summary>
/// <param name="filename">The filename to load the user data from.</param>
public async Task LoadUserDataFile(string filename)
{
StreamReader sourceStream = new StreamReader(filename);
await LoadUserData(sourceStream);
}
/// <summary>
/// Loads the user data from the specified stream.
/// </summary>
/// <param name="userDataStream">The stream to load the user data from.</param>
public async Task LoadUserData(StreamReader userDataStream) public async Task LoadUserData(StreamReader userDataStream)
{ {
LoadUserData(await userDataStream.ReadToEndAsync()); LoadUserData(await userDataStream.ReadToEndAsync());
} }
/// <summary>
/// Loads the user data from the specified JSON string.
/// </summary>
/// <param name="userData">The JSON-serialised user data to load.</param>
public void LoadUserData(string userData) public void LoadUserData(string userData)
{ {
Users = JsonConvert.DeserializeObject<List<User>>(userData, new UserCreationConverter(this)); Users = JsonConvert.DeserializeObject<List<User>>(userData, new UserCreationConverter(this));
} }
/// <summary>
/// Saves the user data to the specified file.
/// </summary>
/// <param name="filename">The filename to save the user data to.</param>
public async Task SaveUserDataFile(string filename)
{
StreamWriter destination = new StreamWriter(filename);
await SaveUserData(destination);
destination.Close();
}
/// <summary>
/// Saves the user data to specified destination.
/// </summary>
/// <param name="destination">The destination to save to.</param>
public async Task SaveUserData(StreamWriter destination)
{
string json = JsonConvert.SerializeObject(Users);
await destination.WriteLineAsync(json);
}
/// <summary>
/// Resolves a permission name to it's associated <see cref="RbacPermission" /> object.
/// </summary>
/// <param name="permissionName">The permission name to resolve.</param>
/// <returns>The resolved permission object.</returns>
public RbacPermission ResolvePermission(string permissionName) public RbacPermission ResolvePermission(string permissionName)
{ {
return Permissions.Find((RbacPermission permission) => permission.Name == permissionName); return Permissions.Find((RbacPermission permission) => permission.Name == permissionName);
} }
/// <summary>
/// Resolves a role name to it's associated <see cref="RbacRole" /> object.
/// </summary>
/// <param name="roleName">The role name to resolve.</param>
/// <returns>The resolved role object.</returns>
public RbacRole ResolveRole(string roleName) public RbacRole ResolveRole(string roleName)
{ {
return Roles.Find((RbacRole role) => role.Name == roleName); return Roles.Find((RbacRole role) => role.Name == roleName);
} }
/// <summary>
/// Resolves a list of role names to their associated <see cref="RbacRole" /> objects.
/// </summary>
/// <param name="roleNames">The role names to resolve.</param>
/// <returns>The resolved role objects.</returns>
public IEnumerable<RbacRole> ResolveRoles(IEnumerable<string> roleNames) public IEnumerable<RbacRole> ResolveRoles(IEnumerable<string> roleNames)
{ {
foreach (RbacRole role in Roles) foreach (RbacRole role in Roles)
@ -70,5 +131,43 @@ namespace Nibriboard.Userspace
yield return role; yield return role;
} }
} }
/// <summary>
/// Works out whether a user exists with the specified username.
/// </summary>
/// <param name="username">The target username to search for.</param>
/// <returns>Whether a user exists with the specified username or not.</returns>
public bool UserExists(string username)
{
return Users.Any((User user) => user.Username == username);
}
/// <summary>
/// Finds the user with the specified name.
/// </summary>
/// <param name="username">The username to search for.</param>
/// <returns>The user with the specified name.</returns>
public User GetByName(string username)
{
return Users.Find((User user) => user.Username == username);
}
/// <summary>
/// Creates a new user with the specified username and password, and adds them to the system.
/// </summary>
/// <param name="username">The username for the new user.</param>
/// <param name="password">The new user's password.</param>
public void AddUser(string username, string password)
{
if (UserExists(username))
throw new Exception($"Error: A user with the name {username} already exists, so it can't be created.");
User newUser = new User(this) {
Username = username,
CreationTime = DateTime.Now
};
newUser.SetPassword(password);
Users.Add(newUser);
}
} }
} }

7
Nibriboard/Utilities/CalcPaths.cs
View File

@ -28,8 +28,13 @@ namespace Nibriboard.Utilities
return Path.Combine(planeDirectory, "plane-index.json"); return Path.Combine(planeDirectory, "plane-index.json");
} }
public static string RippleSpaceAccountData(string rippleSpaceRoot)
{
return Path.Combine(rippleSpaceRoot, "user-data.json");
}
public static string ChunkFilepath(string planeStorageDirectory, ChunkReference chunkRef)
public static string ChunkFilePath(string planeStorageDirectory, ChunkReference chunkRef)
{ {
return Path.Combine(planeStorageDirectory, chunkRef.AsFilepath()); return Path.Combine(planeStorageDirectory, chunkRef.AsFilepath());
} }