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Keda
2025-09-13 13:40:32 +02:00
parent 8d0c3aafb3
commit 693d3c6af7
7 changed files with 202 additions and 32 deletions
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32
MareSynchronosServer/MareSynchronosAuthService/Services/Discovery/InMemoryPresenceStore.cs
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@@ -4,7 +4,7 @@ namespace MareSynchronosAuthService.Services.Discovery;
public sealed class InMemoryPresenceStore : IDiscoveryPresenceStore
{
private readonly ConcurrentDictionary<string, (string Uid, DateTimeOffset ExpiresAt, string? DisplayName)> _presence = new(StringComparer.Ordinal);
private readonly ConcurrentDictionary<string, (string Uid, DateTimeOffset ExpiresAt, string? DisplayName, bool AllowRequests)> _presence = new(StringComparer.Ordinal);
private readonly ConcurrentDictionary<string, (string TargetUid, DateTimeOffset ExpiresAt)> _tokens = new(StringComparer.Ordinal);
private readonly TimeSpan _presenceTtl;
private readonly TimeSpan _tokenTtl;
@@ -35,25 +35,43 @@ public sealed class InMemoryPresenceStore : IDiscoveryPresenceStore
}
}
public void Publish(string uid, IEnumerable<string> hashes, string? displayName = null)
public void Publish(string uid, IEnumerable<string> hashes, string? displayName = null, bool allowRequests = true)
{
var exp = DateTimeOffset.UtcNow.Add(_presenceTtl);
foreach (var h in hashes.Distinct(StringComparer.Ordinal))
{
_presence[h] = (uid, exp, displayName);
_presence[h] = (uid, exp, displayName, allowRequests);
}
}
public (bool Found, string Token, string? DisplayName) TryMatchAndIssueToken(string requesterUid, string hash)
public void Unpublish(string uid)
{
// Remove all presence hashes owned by this uid
foreach (var kv in _presence.ToArray())
{
if (string.Equals(kv.Value.Uid, uid, StringComparison.Ordinal))
{
_presence.TryRemove(kv.Key, out _);
}
}
}
public (bool Found, string? Token, string TargetUid, string? DisplayName) TryMatchAndIssueToken(string requesterUid, string hash)
{
if (_presence.TryGetValue(hash, out var entry))
{
if (string.Equals(entry.Uid, requesterUid, StringComparison.Ordinal)) return (false, string.Empty, null);
if (string.Equals(entry.Uid, requesterUid, StringComparison.Ordinal))
return (false, null, string.Empty, null);
// Visible but requests disabled → no token
if (!entry.AllowRequests)
return (true, null, entry.Uid, entry.DisplayName);
var token = Guid.NewGuid().ToString("N");
_tokens[token] = (entry.Uid, DateTimeOffset.UtcNow.Add(_tokenTtl));
return (true, token, entry.DisplayName);
return (true, token, entry.Uid, entry.DisplayName);
}
return (false, string.Empty, null);
return (false, null, string.Empty, null);
}
public bool ValidateToken(string token, out string targetUid)