public void SaveToPngContainer(NanoDB db)
{
var files = new DirectoryInfo(Strings.Containers).GetFiles("*.png");
if (files.Length == 0)
{
NotificationHandler.Instance.AddNotification("Не найдены PNG файлы в папке containers.");
return;
}
FileInfo file = files[random.Next(files.Length - 1)];
var bmp = new Bitmap(file.FullName);
int capacity = (int)(bmp.Width * bmp.Height * 3 / 8);
string sessionPrefix = random.Next().ToString("x8");
sessionPrefix += random.Next().ToString("x8");
byte[] packed = null;
byte[] prevPacked = null;
int amount = 1;
int realAmount = 0;
while (amount < 65535 && (prevPacked == null || packed == null || packed.Length < capacity - 32))
{
prevPacked = packed;
var lastPosts = db.GetNLastPosts(amount).ExceptHidden(db);
var randomPosts = db.GetNRandomPosts(amount).ExceptHidden(db).FilterBySize(16384);
var posts = new List <NanoPost>();
posts.AddRange(lastPosts);
posts.AddRange(randomPosts);
realAmount = posts.Count;
packed = Pack(posts.ToArray().Randomized());
amount = 1 + amount + amount * 10 / 15;
}
packed = prevPacked;
Console.WriteLine(string.Format("PNG capacity:{0}, posts amount (not unique):{1}, packed size:{2}", capacity, realAmount, packed.Length));
if (capacity - packed.Length > 32)
{
var noise = new byte[capacity - packed.Length - 32];
random.NextBytes(noise);
var temp = new List <byte>();
temp.AddRange(packed);
temp.AddRange(noise);
packed = temp.ToArray();
}
new PngStegoUtil().HideBytesInPng(
file.FullName,
Strings.Upload + Path.DirectorySeparatorChar + sessionPrefix + Strings.PngExt,
packed);
NotificationHandler.Instance.AddNotification("Контейнер сохранён: " + Strings.Upload + Path.DirectorySeparatorChar + sessionPrefix + Strings.PngExt);
}
public void SaveToPngContainer(NanoDB db)
{
var files = new DirectoryInfo(Strings.Containers).GetFiles("*.png");
if (files.Length == 0)
{
NotificationHandler.Instance.AddNotification("Не найдены PNG файлы в папке containers.");
return;
}
FileInfo file = files[random.Next(files.Length - 1)];
var bmp = new Bitmap(file.FullName);
int capacity = (int)(bmp.Width * bmp.Height * 3 / 8);
string sessionPrefix = random.Next().ToString("x8");
sessionPrefix += random.Next().ToString("x8");
byte[] packed = null;
byte[] prevPacked = null;
int amount = 1;
int realAmount = 0;
while (amount < 65535 && (prevPacked == null || packed == null || packed.Length < capacity - 32))
{
prevPacked = packed;
var lastPosts = db.GetNLastPosts(amount).ExceptHidden(db);
var randomPosts = db.GetNRandomPosts(amount).ExceptHidden(db).FilterBySize(16384);
var posts = new List<NanoPost>();
posts.AddRange(lastPosts);
posts.AddRange(randomPosts);
realAmount = posts.Count;
packed = Pack(posts.ToArray().Randomized());
amount = 1 + amount + amount * 10 / 15;
}
packed = prevPacked;
Console.WriteLine(string.Format("PNG capacity:{0}, posts amount (not unique):{1}, packed size:{2}", capacity, realAmount, packed.Length));
if (capacity - packed.Length > 32)
{
var noise = new byte[capacity - packed.Length - 32];
random.NextBytes(noise);
var temp = new List<byte>();
temp.AddRange(packed);
temp.AddRange(noise);
packed = temp.ToArray();
}
new PngStegoUtil().HideBytesInPng(
file.FullName,
Strings.Upload + Path.DirectorySeparatorChar + sessionPrefix + Strings.PngExt,
packed);
NotificationHandler.Instance.AddNotification("Контейнер сохранён: " + Strings.Upload + Path.DirectorySeparatorChar + sessionPrefix + Strings.PngExt);
}
private NanoHttpResponse HandleSafe(NanoHttpRequest request)
{
int count = int.Parse(request.Address.Split('/').Last());
var sb = new StringBuilder();
sb.Append("{ \n \"posts\" : [\n");
var posts = _db.GetNLastPosts(count);
for (int i = 0; i < posts.Length; i++)
{
var p = posts[i];
bool last = i == posts.Length - 1;
sb.Append(" {\n \"hash\" : \"");
sb.Append(p.GetHash().Value);
sb.Append("\", \n \"isHidden\" : \"");
sb.Append(_db.IsHidden(p.GetHash()) ? "1" : "0");
sb.Append("\", \n \"replyTo\" : \"");
sb.Append(p.ReplyTo.Value);
sb.Append("\", \n \"message\" : \"");
string s = p.SerializedString().Substring(32);
s = s.Replace("\\", "\\\\");
s = s.Replace("\n", "\\n");
s = s.Replace("\"", "\\\"");
s = s.Replace("\t", "\\t");
s = s.Replace("\r", "\\r");
sb.Append(s);
sb.Append("\"\n }");
if (!last)
{
sb.Append(",\n");
}
}
sb.Append("\n ]\n}");
return(new NanoHttpResponse(StatusCode.Ok, sb.ToString(), "application/json; charset=utf-8"));
}
/*
* Takes 50 or less last posts (up to 150000 bytes max total),
* adds 50 or less random posts (up to 150000 bytes max total),
* random is shifted towards latest posts.
*/
public void Create()
{
var count = _db.GetPostCount();
var take = 50;
var last50s = _db.GetNLastPosts(take * 4).ExceptHidden(_db).Reverse().Take(take).ToArray();
var list = new List <NanoPost>(last50s);
while (!ByteCountUnder(list, 150000))
{
list.RemoveAt(list.Count - 1);
}
var r = new Random();
int rbytes = 0;
int max = 50;
for (int i = 0; i < max; i++)
{
int index = (int)Math.Min(Math.Pow(r.NextDouble(), 0.3) * count, count - 1);
var p = _db.GetPost(index);
if (_db.IsHidden(p.GetHash()))
{
if (max < 10000)
{
max += 1;
}
continue;
}
var bc = ByteCount(p);
if (rbytes + bc > 150000)
{
break;
}
rbytes += bc;
list.Add(p);
}
CreateWithList(list);
}
private NanoHttpResponse HandleSafe(NanoHttpRequest request)
{
var sw = new System.Diagnostics.Stopwatch();
sw.Start();
var sb = new StringBuilder();
ThreadViewHandler.AddHeader(sb);
sb.Append(string.Format("<div>Количество правил игнорирования постов: {0}. Настройте spamfilter.txt под себя.</div>", SpamDetector.RuleCount));
sb.Append("[Очистить список]".ToButton("", "", @"
var x = new XMLHttpRequest();
x.open('POST', '../save/', true);
x.send('');
location.reload();
").ToDiv("", ""));
var posts = _db.GetNewPosts();//.ExceptHidden(_db);
posts = posts.Reverse().ToArray();
if (posts.Length == 0)
{
posts = _db.GetNLastPosts(200).Reverse().ToArray();
}
foreach (var p in posts)
{
int answers = _db.CountAnswers(p.GetHash());
string ans = "ответ";
if (answers != 11 && answers % 10 == 1)
{
//
}
else if (answers != 11 && answers % 10 == 5)
{
ans += "ов";
}
else
{
ans += "а";
}
bool corePost = false;
if (_db.Get(p.ReplyTo) != null &&
(_db.Get(p.ReplyTo).ReplyTo.Value == NanoDB.CategoriesHashValue ||
_db.Get(p.ReplyTo).ReplyTo.Value == NanoDB.RootHashValue))
{
corePost = true;
}
bool hidden = _db.IsHidden(p.GetHash());
sb.Append(
(
p.Message.Strip(true).Replace("\n", "<br/>").ToStyledDiv("postinner", p.GetHash().Value, hidden?"visibility:hidden;height:0px;":"") +
((answers > ThreadViewHandler.MinAnswers ? ("[" + answers + " " + ans + "]").ToRef("/expand/" + p.GetHash().Value):"") +
(hidden?"[Вернуть]":"[Удалить]").ToButton("", "", @"var x = new XMLHttpRequest(); x.open('POST', '../hide/" + p.GetHash().Value + @"', true);
x.send('');
var elem = document.getElementById('" + p.GetHash().Value + @"');
if (elem.style.visibility != 'hidden') {
elem.style.visibility='hidden';
elem.style.height = '0px';
innerHTML = '[Вернуть]';
} else {
elem.style.visibility='visible';
elem.style.height = '100%';
innerHTML = '[Удалить]';
}
") +
(p.ContainerTag != null ?
"[Отклонить контейнер]".ToButton("", "", @"var x = new XMLHttpRequest(); x.open('POST', '../hideall/" + p.GetHash().Value + @"', true);
x.send('');location.reload();") : "") +
//("[В закладки]").ToRef("/bookmark/" + p.GetHash().Value) +
("[В тред]").ToRef((corePost?"/thread/":"/expand/") + p.ReplyTo.Value) +
("[Ответить]").ToRef("/reply/" + p.GetHash().Value)).ToDiv("", "")
).ToDiv("post", ""));
}
string s1 = "<a href='#' onclick='location.reload()'>[Обновить]</a>";
sb.Append(s1.ToDiv("", ""));
sw.Stop();
ThreadViewHandler.AddFooter(sb, sw.ElapsedMilliseconds, _db);
return(new NanoHttpResponse(StatusCode.Ok, sb.ToString().ToHtmlBody(ThreadViewHandler.NotifierScript)));
}
