Files
server/MareSynchronosServer/MareSynchronosServer/Hubs/MareHub.Functions.cs
2023-10-18 09:33:27 +02:00

257 lines
12 KiB
C#

using MareSynchronosShared.Models;
using Microsoft.EntityFrameworkCore;
using MareSynchronosServer.Utils;
using MareSynchronosShared.Utils;
using Microsoft.IdentityModel.Tokens;
using MareSynchronos.API.Data;
using MareSynchronos.API.Dto.Group;
using MareSynchronosShared.Metrics;
using Microsoft.AspNetCore.SignalR;
namespace MareSynchronosServer.Hubs;
public partial class MareHub
{
public string UserCharaIdent => Context.User?.Claims?.SingleOrDefault(c => string.Equals(c.Type, MareClaimTypes.CharaIdent, StringComparison.Ordinal))?.Value ?? throw new Exception("No Chara Ident in Claims");
public string UserUID => Context.User?.Claims?.SingleOrDefault(c => string.Equals(c.Type, MareClaimTypes.Uid, StringComparison.Ordinal))?.Value ?? throw new Exception("No UID in Claims");
private async Task DeleteUser(User user)
{
var ownPairData = await _dbContext.ClientPairs.Where(u => u.User.UID == user.UID).ToListAsync().ConfigureAwait(false);
var auth = await _dbContext.Auth.SingleAsync(u => u.UserUID == user.UID).ConfigureAwait(false);
var lodestone = await _dbContext.LodeStoneAuth.SingleOrDefaultAsync(a => a.User.UID == user.UID).ConfigureAwait(false);
var groupPairs = await _dbContext.GroupPairs.Where(g => g.GroupUserUID == user.UID).ToListAsync().ConfigureAwait(false);
var userProfileData = await _dbContext.UserProfileData.SingleOrDefaultAsync(u => u.UserUID == user.UID).ConfigureAwait(false);
var defaultpermissions = await _dbContext.UserDefaultPreferredPermissions.SingleOrDefaultAsync(u => u.UserUID == user.UID).ConfigureAwait(false);
var groupPermissions = await _dbContext.GroupPairPreferredPermissions.Where(u => u.UserUID == user.UID).ToListAsync().ConfigureAwait(false);
var individualPermissions = await _dbContext.Permissions.Where(u => u.UserUID == user.UID || u.OtherUserUID == user.UID).ToListAsync().ConfigureAwait(false);
var bannedEntries = await _dbContext.GroupBans.Where(u => u.BannedUserUID == user.UID).ToListAsync().ConfigureAwait(false);
if (lodestone != null)
{
_dbContext.Remove(lodestone);
}
if (userProfileData != null)
{
_dbContext.Remove(userProfileData);
}
while (_dbContext.Files.Any(f => f.Uploader == user))
{
await Task.Delay(1000).ConfigureAwait(false);
}
_dbContext.ClientPairs.RemoveRange(ownPairData);
var otherPairData = await _dbContext.ClientPairs.Include(u => u.User)
.Where(u => u.OtherUser.UID == user.UID).AsNoTracking().ToListAsync().ConfigureAwait(false);
foreach (var pair in otherPairData)
{
await Clients.User(pair.UserUID).Client_UserRemoveClientPair(new(user.ToUserData())).ConfigureAwait(false);
}
foreach (var pair in groupPairs)
{
await UserLeaveGroup(new GroupDto(new GroupData(pair.GroupGID)), user.UID).ConfigureAwait(false);
}
if (defaultpermissions != null)
{
_dbContext.UserDefaultPreferredPermissions.Remove(defaultpermissions);
}
_dbContext.GroupPairPreferredPermissions.RemoveRange(groupPermissions);
_dbContext.Permissions.RemoveRange(individualPermissions);
_dbContext.GroupBans.RemoveRange(bannedEntries);
_mareMetrics.IncCounter(MetricsAPI.CounterUsersRegisteredDeleted, 1);
_dbContext.ClientPairs.RemoveRange(otherPairData);
_dbContext.Users.Remove(user);
_dbContext.Auth.Remove(auth);
await _dbContext.SaveChangesAsync().ConfigureAwait(false);
_cacheService.ClearCache(user.UID);
_cacheService.MarkAsStale(null, user.UID);
}
private async Task<List<string>> GetAllPairedUnpausedUsers(string? uid = null)
{
uid ??= UserUID;
return (await _cacheService.GetAllPairs(UserUID, _dbContext).ConfigureAwait(false))
.Where(u => !u.Value.OwnPermissions.IsPaused && u.Value.OtherPermissions != null && !u.Value.OtherPermissions.IsPaused)
.Select(u => u.Key).ToList();
}
private async Task<Dictionary<string, string>> GetOnlineUsers(List<string> uids)
{
var result = await _redis.GetAllAsync<string>(uids.Select(u => "UID:" + u).ToHashSet(StringComparer.Ordinal)).ConfigureAwait(false);
return uids.Where(u => result.TryGetValue("UID:" + u, out var ident) && !string.IsNullOrEmpty(ident)).ToDictionary(u => u, u => result["UID:" + u], StringComparer.Ordinal);
}
private async Task<string> GetUserIdent(string uid)
{
if (uid.IsNullOrEmpty()) return string.Empty;
return await _redis.GetAsync<string>("UID:" + uid).ConfigureAwait(false);
}
private async Task RemoveUserFromRedis()
{
await _redis.RemoveAsync("UID:" + UserUID, StackExchange.Redis.CommandFlags.FireAndForget).ConfigureAwait(false);
}
private async Task SendGroupDeletedToAll(List<GroupPair> groupUsers)
{
foreach (var pair in groupUsers)
{
var pairIdent = await GetUserIdent(pair.GroupUserUID).ConfigureAwait(false);
if (string.IsNullOrEmpty(pairIdent)) continue;
foreach (var groupUserPair in groupUsers.Where(g => !string.Equals(g.GroupUserUID, pair.GroupUserUID, StringComparison.Ordinal)))
{
await UserGroupLeave(groupUserPair, pairIdent, pair.GroupUserUID).ConfigureAwait(false);
}
}
}
private async Task<List<string>> SendOfflineToAllPairedUsers()
{
var usersToSendDataTo = await GetAllPairedUnpausedUsers().ConfigureAwait(false);
var self = await _dbContext.Users.AsNoTracking().SingleAsync(u => u.UID == UserUID).ConfigureAwait(false);
await Clients.Users(usersToSendDataTo).Client_UserSendOffline(new(self.ToUserData())).ConfigureAwait(false);
return usersToSendDataTo;
}
private async Task<List<string>> SendOnlineToAllPairedUsers()
{
var usersToSendDataTo = await GetAllPairedUnpausedUsers().ConfigureAwait(false);
var self = await _dbContext.Users.AsNoTracking().SingleAsync(u => u.UID == UserUID).ConfigureAwait(false);
await Clients.Users(usersToSendDataTo).Client_UserSendOnline(new(self.ToUserData(), UserCharaIdent)).ConfigureAwait(false);
return usersToSendDataTo;
}
private async Task<(bool IsValid, Group ReferredGroup)> TryValidateGroupModeratorOrOwner(string gid)
{
var isOwnerResult = await TryValidateOwner(gid).ConfigureAwait(false);
if (isOwnerResult.isValid) return (true, isOwnerResult.ReferredGroup);
if (isOwnerResult.ReferredGroup == null) return (false, null);
var groupPairSelf = await _dbContext.GroupPairs.SingleOrDefaultAsync(g => g.GroupGID == gid && g.GroupUserUID == UserUID).ConfigureAwait(false);
if (groupPairSelf == null || !groupPairSelf.IsModerator) return (false, null);
return (true, isOwnerResult.ReferredGroup);
}
private async Task<(bool isValid, Group ReferredGroup)> TryValidateOwner(string gid)
{
var group = await _dbContext.Groups.SingleOrDefaultAsync(g => g.GID == gid).ConfigureAwait(false);
if (group == null) return (false, null);
return (string.Equals(group.OwnerUID, UserUID, StringComparison.Ordinal), group);
}
private async Task<(bool IsValid, GroupPair ReferredPair)> TryValidateUserInGroup(string gid, string? uid = null)
{
uid ??= UserUID;
var groupPair = await _dbContext.GroupPairs.Include(c => c.GroupUser)
.SingleOrDefaultAsync(g => g.GroupGID == gid && (g.GroupUserUID == uid || g.GroupUser.Alias == uid)).ConfigureAwait(false);
if (groupPair == null) return (false, null);
return (true, groupPair);
}
private async Task UpdateUserOnRedis()
{
await _redis.AddAsync("UID:" + UserUID, UserCharaIdent, TimeSpan.FromSeconds(60), StackExchange.Redis.When.Always, StackExchange.Redis.CommandFlags.FireAndForget).ConfigureAwait(false);
}
private async Task UserGroupLeave(GroupPair groupUserPair, string userIdent, string? uid = null)
{
uid ??= UserUID;
var allUserPairs = await _cacheService.GetAllPairs(uid, _dbContext).ConfigureAwait(false);
if (!allUserPairs.TryGetValue(groupUserPair.GroupUserUID, out var info) || !info.IsSynced)
{
var groupUserIdent = await GetUserIdent(groupUserPair.GroupUserUID).ConfigureAwait(false);
if (!string.IsNullOrEmpty(groupUserIdent))
{
await Clients.User(uid).Client_UserSendOffline(new(new(groupUserPair.GroupUserUID))).ConfigureAwait(false);
await Clients.User(groupUserPair.GroupUserUID).Client_UserSendOffline(new(new(uid))).ConfigureAwait(false);
}
}
}
private async Task UserLeaveGroup(GroupDto dto, string userUid)
{
_logger.LogCallInfo(MareHubLogger.Args(dto));
var (exists, groupPair) = await TryValidateUserInGroup(dto.Group.GID, userUid).ConfigureAwait(false);
if (!exists) return;
var group = await _dbContext.Groups.SingleOrDefaultAsync(g => g.GID == dto.Group.GID).ConfigureAwait(false);
var groupPairs = await _dbContext.GroupPairs.Where(p => p.GroupGID == group.GID).ToListAsync().ConfigureAwait(false);
var groupPairsWithoutSelf = groupPairs.Where(p => !string.Equals(p.GroupUserUID, userUid, StringComparison.Ordinal)).ToList();
_dbContext.GroupPairs.Remove(groupPair);
await _dbContext.SaveChangesAsync().ConfigureAwait(false);
await Clients.User(userUid).Client_GroupDelete(new GroupDto(group.ToGroupData())).ConfigureAwait(false);
bool ownerHasLeft = string.Equals(group.OwnerUID, userUid, StringComparison.Ordinal);
if (ownerHasLeft)
{
if (!groupPairsWithoutSelf.Any())
{
_logger.LogCallInfo(MareHubLogger.Args(dto, "Deleted"));
_dbContext.Groups.Remove(group);
}
else
{
var groupHasMigrated = await SharedDbFunctions.MigrateOrDeleteGroup(_dbContext, group, groupPairsWithoutSelf, _maxExistingGroupsByUser).ConfigureAwait(false);
if (groupHasMigrated.Item1)
{
_logger.LogCallInfo(MareHubLogger.Args(dto, "Migrated", groupHasMigrated.Item2));
var user = await _dbContext.Users.SingleAsync(u => u.UID == groupHasMigrated.Item2).ConfigureAwait(false);
await Clients.Users(groupPairsWithoutSelf.Select(p => p.GroupUserUID)).Client_GroupSendInfo(new GroupInfoDto(group.ToGroupData(),
user.ToUserData(), group.ToEnum())).ConfigureAwait(false);
}
else
{
_logger.LogCallInfo(MareHubLogger.Args(dto, "Deleted"));
await Clients.Users(groupPairsWithoutSelf.Select(p => p.GroupUserUID)).Client_GroupDelete(dto).ConfigureAwait(false);
await SendGroupDeletedToAll(groupPairs).ConfigureAwait(false);
return;
}
}
}
await _dbContext.SaveChangesAsync().ConfigureAwait(false);
_cacheService.MarkAsStale(userUid, null);
_logger.LogCallInfo(MareHubLogger.Args(dto, "Success"));
await Clients.Users(groupPairsWithoutSelf.Select(p => p.GroupUserUID)).Client_GroupPairLeft(new GroupPairDto(dto.Group, groupPair.GroupUser.ToUserData())).ConfigureAwait(false);
var ident = await GetUserIdent(userUid).ConfigureAwait(false);
foreach (var groupUserPair in groupPairsWithoutSelf)
{
await UserGroupLeave(groupUserPair, ident, userUid).ConfigureAwait(false);
}
}
public record UserQueryPermissionEntry(UserQueryEntry OtherUser, UserPermissionSet OwnPermissions, UserPermissionSet? OtherPermissions);
public record UserQueryEntry(string UID, bool IsPaired, string GID, string Alias);
}