public void ReadPosts()
{
if (!File.Exists(Index) || !File.Exists(Data))
{
return;
}
string indexes = Encoding.UTF8.GetString(File.ReadAllBytes(Index));
string posts = Encoding.UTF8.GetString(File.ReadAllBytes(Data));
try
{
for (int i = 0; i < indexes.Length / 8; i += 2)
{
string offset = indexes.Substring(i * 8, 8);
string length = indexes.Substring(i * 8 + 8, 8);
string rawpost = posts.Substring(
int.Parse(offset, System.Globalization.NumberStyles.HexNumber),
int.Parse(length, System.Globalization.NumberStyles.HexNumber));
var post = new NanoPost(rawpost);
if (!SpamDetector.IsSpam(post.Message))
{
AddPost(new NanoPost(rawpost), false);
}
}
}
catch (Exception e)
{
Logger.LogError("Error while reading posts db:\n" + e.ToString());
}
}
public NanoHttpResponse Handle(NanoHttpRequest request)
{
if (string.IsNullOrEmpty(request.Content))
{
return(new ErrorHandler(StatusCode.BadRequest, "Empty message").Handle(request));
}
Hash thread = new Hash(request.Address.Split('/').Last());
if (thread.Invalid)
{
return(new ErrorHandler(StatusCode.BadRequest, "Invalid hash").Handle(request));
}
var str = Encoding.UTF8.GetString(request.Connection.Raw);
str = str.Substring(str.IndexOf("\r\n\r\n") + 4);
NanoPost post = null;
if (thread.Value != NanoDB.CategoriesHashValue)
{
post = new NanoPost(thread, "[g]" + GetPostHeader() + "[/g]\n" + str);
}
else
{
post = new NanoPost(thread, str);
}
if (post.Invalid)
{
NotificationHandler.Instance.AddNotification("Превышен максимальный размер поста.");
return(new NanoHttpResponse(StatusCode.BadRequest, ""));
}
if (SpamDetector.IsSpam(post.Message))
{
NotificationHandler.Instance.AddNotification("Ваш пост из-за своего содержания будет считаться спамом.");
return(new NanoHttpResponse(StatusCode.BadRequest, ""));
}
else
{
NotificationHandler.Instance.AddNotification(
"Сообщение добавлено, " + post.SerializedBytes().Length + " байт (" + post.SerializedString().Length + " симв.)");
if (_db.AddPost(post))
{
_db.WriteNewPosts(false);
}
return(new NanoHttpResponse(StatusCode.Ok, post.GetHash().Value));
}
}
public static NanoPost[] Unpack(byte[] bytes)
{
bytes = GZipUtil.Decompress(bytes);
List <NanoPost> posts = new List <NanoPost>();
string str = Encoding.UTF8.GetString(bytes);
int count = int.Parse(str.Substring(0, 6), System.Globalization.NumberStyles.HexNumber);
List <int> sizes = new List <int>();
List <string> raws = new List <string>();
for (int i = 0; i < count; i++)
{
int size = int.Parse(str.Substring((i + 1) * 6, 6), System.Globalization.NumberStyles.HexNumber);
sizes.Add(size);
}
int offset = count * 6 + 6;
for (int i = 0; i < sizes.Count; i++)
{
int size = sizes[i];
raws.Add(str.Substring(offset, size));
offset += size;
}
var containerHash = SHA256.Create().ComputeHash(bytes);
var containerHashString = "";
containerHash.ToList().ForEach(b => containerHashString += b.ToString("x2"));
for (int i = 0; i < raws.Count; i++)
{
var p = new NanoPost(raws[i]);
p.ContainerTag = containerHashString;
if (SpamDetector.IsSpam(p.Message))
{
continue;
}
posts.Add(p);
}
return(posts.ToArray());
}