/// <summary>
/// Adds a member to the server
/// </summary>
public async Task AddMemberAsync(User user, ValourDB db)
{
// Already a member
if (await db.PlanetMembers.AnyAsync(x => x.User_Id == user.Id && x.Planet_Id == Id))
{
return;
}
ServerPlanetMember member = new ServerPlanetMember()
{
Id = IdManager.Generate(),
Nickname = user.Username,
Planet_Id = Id,
User_Id = user.Id
};
// Add to default planet role
ServerPlanetRoleMember rolemember = new ServerPlanetRoleMember()
{
Id = IdManager.Generate(),
Planet_Id = Id,
User_Id = user.Id,
Role_Id = Default_Role_Id,
Member_Id = member.Id
};
await db.PlanetMembers.AddAsync(member);
await db.PlanetRoleMembers.AddAsync(rolemember);
await db.SaveChangesAsync();
Console.WriteLine($"User {user.Username} ({user.Id}) has joined {Name} ({Id})");
}
/// <summary>
/// Returns if the given user is authorized to access this planet
/// </summary>
public async Task <bool> HasPermissionAsync(ServerPlanetMember member, PlanetPermission permission, ValourDB db)
{
// Special case for viewing planets
if (permission.Value == PlanetPermissions.View.Value)
{
if (Public || (member != null))
{
return(true);
}
}
// At this point all permissions require membership
if (member == null)
{
return(false);
}
// Owner has all permissions
if (member.User_Id == Owner_Id)
{
return(true);
}
// Get user main role
var mainRole = await db.Entry(member).Collection(x => x.RoleMembership)
.Query()
.Include(x => x.Role)
.OrderBy(x => x.Role.Position)
.Select(x => x.Role)
.FirstAsync();
// Return permission state
return(mainRole.HasPermission(permission));
}
public async Task <bool> HasPermission(ServerPlanetMember member, ChannelPermission permission)
{
var roles = await member.GetRolesAsync();
// Starting from the most important role, we stop once we hit the first clear "TRUE/FALSE".
// If we get an undecided, we continue to the next role down
foreach (var role in roles)
{
var node = await ServerPlanetRole.FromBase(role).GetChannelNodeAsync(this);
PermissionState state = node.GetPermissionState(permission);
if (state == PermissionState.Undefined)
{
continue;
}
else if (state == PermissionState.True)
{
return(true);
}
else
{
return(false);
}
}
// No roles ever defined behavior: resort to false.
return(false);
}
public async Task <TaskResult <int> > TryKickMemberAsync(ServerPlanetMember member,
ServerPlanetMember target, ValourDB db)
{
if (member == null)
{
return(new TaskResult <int>(false, "Member not found", 404));
}
if (!await HasPermissionAsync(member, PlanetPermissions.Kick, db))
{
return(new TaskResult <int>(false, "Member lacks PlanetPermissions.View", 403));
}
if (target == null)
{
return(new TaskResult <int>(false, $"Target not found", 404));
}
if (member.Id == target.Id)
{
return(new TaskResult <int>(false, "You cannot kick yourself!", 400));
}
if (!await HasPermissionAsync(member, PlanetPermissions.Kick, db))
{
return(new TaskResult <int>(false, "Member lacks PlanetPermissions.Kick", 403));
}
if (await member.GetAuthorityAsync() <= await target.GetAuthorityAsync())
{
return(new TaskResult <int>(false, "You can only kick members with lower authority!", 403));
}
// Remove roles
var roles = db.PlanetRoleMembers.Where(x => x.Member_Id == target.Id);
foreach (ServerPlanetRoleMember role in roles)
{
db.PlanetRoleMembers.Remove(role);
}
// Remove member
db.PlanetMembers.Remove(target);
// Save changes
await db.SaveChangesAsync();
return(new TaskResult <int>(true, $"Successfully kicked user", 200));
}
/// <summary>
/// Adds a member to the server
/// </summary>
public async Task AddMemberAsync(User user, ValourDB db = null)
{
// Setup db if none provided
bool dbcreate = false;
if (db == null)
{
db = new ValourDB(ValourDB.DBOptions);
dbcreate = true;
}
// Already a member
if (await db.PlanetMembers.AnyAsync(x => x.User_Id == user.Id && x.Planet_Id == Id))
{
return;
}
ServerPlanetMember member = new ServerPlanetMember()
{
Id = IdManager.Generate(),
Nickname = user.Username,
Planet_Id = Id,
User_Id = user.Id
};
// Add to default planet role
ServerPlanetRoleMember rolemember = new ServerPlanetRoleMember()
{
Id = IdManager.Generate(),
Planet_Id = Id,
User_Id = user.Id,
Role_Id = Default_Role_Id,
Member_Id = member.Id
};
await db.PlanetMembers.AddAsync(member);
await db.PlanetRoleMembers.AddAsync(rolemember);
await db.SaveChangesAsync();
Console.WriteLine($"User {user.Username} ({user.Id}) has joined {Name} ({Id})");
// Clean up if created own db
if (dbcreate)
{
await db.DisposeAsync();
}
}
/// <summary>
/// Deletes this channel
/// </summary>
public async Task <TaskResult <int> > TryDeleteAsync(ServerPlanetMember member, ValourDB db)
{
Planet ??= await GetPlanetAsync(db);
if (Id == Planet.Main_Channel_Id)
{
return(new TaskResult <int>(false, $"Cannot delete main channel", 400));
}
if (member == null)
{
return(new TaskResult <int>(false, "Member not found", 403));
}
if (!await HasPermission(member, ChatChannelPermissions.View, db))
{
return(new TaskResult <int>(false, "Member lacks ChatChannelPermissions.View", 403));
}
if (!await HasPermission(member, ChatChannelPermissions.ManageChannel, db))
{
return(new TaskResult <int>(false, "Member lacks ChatChannelPermissions.ManageChannel", 403));
}
// Remove permission nodes
db.ChatChannelPermissionsNodes.RemoveRange(
db.ChatChannelPermissionsNodes.Where(x => x.Channel_Id == Id)
);
// Remove messages
db.PlanetMessages.RemoveRange(
db.PlanetMessages.Where(x => x.Channel_Id == Id)
);
// Remove channel
db.PlanetChatChannels.Remove(
await db.PlanetChatChannels.FirstOrDefaultAsync(x => x.Id == Id)
);
// Save changes
await db.SaveChangesAsync();
// Notify channel deletion
await PlanetHub.NotifyChatChannelDeletion(this);
return(new TaskResult <int>(true, "Success", 200));
}
/// <summary>
/// Returns if a given member has a channel permission
/// </summary>
public async Task <bool> HasPermission(ServerPlanetMember member, ChatChannelPermission permission, ValourDB db)
{
Planet ??= await GetPlanetAsync(db);
if (Planet.Owner_Id == member.User_Id)
{
return(true);
}
// If true, we just ask the category
if (Inherits_Perms)
{
if (Parent == null)
{
Parent = await GetParentAsync(db);
}
return(await Parent.HasPermission(member, permission));
}
// Load permission data
await db.Entry(member).Collection(x => x.RoleMembership)
.Query()
.Where(x => x.Planet_Id == Planet.Id)
.Include(x => x.Role)
.ThenInclude(x => x.ChatChannelPermissionNodes.Where(x => x.Channel_Id == Id))
.LoadAsync();
// Starting from the most important role, we stop once we hit the first clear "TRUE/FALSE".
// If we get an undecided, we continue to the next role down
foreach (var roleMembership in member.RoleMembership)
{
var role = roleMembership.Role;
ChatChannelPermissionsNode node = role.ChatChannelPermissionNodes.FirstOrDefault();
// If we are dealing with the default role and the behavior is undefined, we fall back to the default permissions
if (node == null)
{
if (role.Id == Planet.Default_Role_Id)
{
return(Permission.HasPermission(ChatChannelPermissions.Default, permission));
}
continue;
}
PermissionState state = node.GetPermissionState(permission);
if (state == PermissionState.Undefined)
{
continue;
}
else if (state == PermissionState.True)
{
return(true);
}
else
{
return(false);
}
}
// No roles ever defined behavior: resort to false.
return(false);
}
public static async void NotifyMemberChange(ServerPlanetMember member)
{
string json = JsonSerializer.Serialize(member);
await Current.Clients.Group($"p-{member.Planet_Id}").SendAsync("MemberUpdate", json);
}
public async Task <TaskResult <int> > TryBanMemberAsync(ServerPlanetMember member,
ServerPlanetMember target, string reason, uint?duration, ValourDB db)
{
if (member == null)
{
return(new TaskResult <int>(false, "Member not found", 404));
}
if (!await HasPermissionAsync(member, PlanetPermissions.Kick, db))
{
return(new TaskResult <int>(false, "Member lacks PlanetPermissions.View", 403));
}
if (target == null)
{
return(new TaskResult <int>(false, $"Target not found", 404));
}
if (member.Id == target.Id)
{
return(new TaskResult <int>(false, "You cannot ban yourself!", 400));
}
if (!await HasPermissionAsync(member, PlanetPermissions.Ban, db))
{
return(new TaskResult <int>(false, "Member lacks PlanetPermissions.Ban", 403));
}
if (await member.GetAuthorityAsync() <= await target.GetAuthorityAsync())
{
return(new TaskResult <int>(false, "You can only ban members with lower authority!", 403));
}
if (duration == 0)
{
duration = null;
}
// Add ban to database
PlanetBan ban = new PlanetBan()
{
Id = IdManager.Generate(),
Reason = reason,
Time = DateTime.UtcNow,
Banner_Id = member.User_Id,
User_Id = target.User_Id,
Planet_Id = member.Planet_Id,
Minutes = duration
};
await db.PlanetBans.AddAsync(ban);
// Remove roles
var roles = db.PlanetRoleMembers.Where(x => x.Member_Id == target.Id);
foreach (ServerPlanetRoleMember role in roles)
{
db.PlanetRoleMembers.Remove(role);
}
// Remove member
db.PlanetMembers.Remove(target);
// Save changes
await db.SaveChangesAsync();
return(new TaskResult <int>(true, $"Successfully banned user", 200));
}