public Task <IEnumerable <UnicastMessage <MailMessage> > > GetMailMessages(Signature signature, ExchangePrivateKey exchangePrivateKey)
{
if (signature == null)
{
throw new ArgumentNullException(nameof(signature));
}
if (exchangePrivateKey == null)
{
throw new ArgumentNullException(nameof(exchangePrivateKey));
}
return(Task.Run(() =>
{
var results = new List <UnicastMessage <MailMessage> >();
var trusts = new List <UnicastMetadata>();
foreach (var unicastMetadata in _coreManager.GetUnicastMetadatas(signature, "MailMessage"))
{
if (_searchSignatures.Contains(unicastMetadata.Certificate.GetSignature()))
{
trusts.Add(unicastMetadata);
}
}
trusts.Sort((x, y) => y.CreationTime.CompareTo(x.CreationTime));
foreach (var unicastMetadata in trusts.Take(1024))
{
var dic = _cache_MailMessages.GetOrAdd(unicastMetadata.Signature, (_) => new LockedHashDictionary <UnicastMetadata, UnicastMessage <MailMessage> >());
// Cache
{
if (dic.TryGetValue(unicastMetadata, out var result))
{
results.Add(result);
continue;
}
}
{
var stream = _coreManager.VolatileGetStream(unicastMetadata.Metadata, 1024 * 1024 * 1);
if (stream == null)
{
continue;
}
var result = new UnicastMessage <MailMessage>(
unicastMetadata.Signature,
unicastMetadata.Certificate.GetSignature(),
unicastMetadata.CreationTime,
ContentConverter.FromCryptoStream <MailMessage>(stream, exchangePrivateKey));
if (result.Value == null)
{
continue;
}
dic[unicastMetadata] = result;
results.Add(result);
}
}
return (IEnumerable <UnicastMessage <MailMessage> >)results.ToArray();
}));
}
public Task <IEnumerable <UnicastCommentMessage> > GetUnicastCommentMessages(Signature signature, AgreementPrivateKey agreementPrivateKey,
int messageCountUpperLimit, IEnumerable <MessageCondition> conditions)
{
if (signature == null)
{
throw new ArgumentNullException(nameof(signature));
}
if (agreementPrivateKey == null)
{
throw new ArgumentNullException(nameof(agreementPrivateKey));
}
return(Task.Run(() =>
{
try
{
var filter = new Dictionary <Signature, HashSet <DateTime> >();
{
foreach (var item in conditions)
{
filter.GetOrAdd(item.AuthorSignature, (_) => new HashSet <DateTime>()).Add(item.CreationTime);
}
}
var trustedMetadatas = new List <UnicastMetadata>();
{
foreach (var unicastMetadata in _coreManager.GetUnicastMetadatas(signature, "MailMessage"))
{
if (!_searchSignatures.Contains(unicastMetadata.Certificate.GetSignature()))
{
continue;
}
trustedMetadatas.Add(unicastMetadata);
}
trustedMetadatas.Sort((x, y) => y.CreationTime.CompareTo(x.CreationTime));
}
var results = new List <UnicastCommentMessage>();
foreach (var unicastMetadata in trustedMetadatas.Take(messageCountUpperLimit))
{
if (filter.TryGetValue(unicastMetadata.Certificate.GetSignature(), out var hashSet) && hashSet.Contains(unicastMetadata.CreationTime))
{
continue;
}
var stream = _coreManager.VolatileGetStream(unicastMetadata.Metadata, 1024 * 1024 * 1);
if (stream == null)
{
continue;
}
var result = new UnicastCommentMessage(
unicastMetadata.Signature,
unicastMetadata.Certificate.GetSignature(),
unicastMetadata.CreationTime,
ContentConverter.FromCryptoStream <CommentContent>(stream, agreementPrivateKey, 0));
if (result.Value == null)
{
continue;
}
results.Add(result);
}
return (IEnumerable <UnicastCommentMessage>)results.ToArray();
}
catch (Exception e)
{
Log.Error(e);
}
return Array.Empty <UnicastCommentMessage>();
}));
}