public NanoHttpResponse Handle(NanoHttpRequest request)
{
Hash hash = new Hash(request.Address.Split('/').Last());
if (hash.Invalid)
{
return(new ErrorHandler(StatusCode.BadRequest, "Invalid hash").Handle(request));
}
try
{
var tag = _db.Get(hash).ContainerTag;
for (int i = 0; i < _db.GetPostCount(); i++)
{
var p = _db.GetPost(i);
if (p.ContainerTag != null && p.ContainerTag.Equals(tag))
{
_db.HideOnce(p.GetHash());
}
}
return(new NanoHttpResponse(StatusCode.Ok, "\n"));
}
catch (Exception e)
{
return(new ErrorHandler(StatusCode.InternalServerError, e.ToString().Replace("\n", "<br>")).Handle(request));
}
}
/*
* 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);
}
public static void AddFooter(StringBuilder sb, long elapsedMs, NanoDB db)
{
sb.Append("<div style='height:15px'></div>");
sb.Append(HtmlStringExtensions.Catalog);
sb.Append("<div style='height:15px'></div>");
sb.Append("<div style='text-align:center;width:100%;'><g>Сервер nboard_" + App.Version + " // Время генерации: " + elapsedMs + " ms // Постов в базе: " + db.GetPostCount() + "</g></div>");
sb.Append("<div style='height:15px'></div>");
}
public void SaveToPngContainer(NanoDB db)
{
db.RewriteDbExceptHidden();
db.ClearDb();
db.ReadPosts();
string[] ext = new[] { ".png", ".jpg", ".jpeg" };
var files = new DirectoryInfo(Strings.Containers).GetFiles().Where(f => ext.Contains(f.Extension.ToLower())).ToArray();
if (files.Length == 0)
{
NotificationHandler.Instance.AddNotification("Не найдены PNG файлы в папке containers.");
return;
}
else if (files.Length <= 5)
{
if (!_smaller)
{
NotificationHandler.Instance.AddNotification("Предупреждение: у вас мало контейнеров.");
}
}
FileInfo file = files[random.Next(files.Length - 1)];
var bmp = new Bitmap(file.FullName);
int capacity = (int)(bmp.Width * bmp.Height * 3 / 8) - 32;
string sessionPrefix = random.Next().ToString("x8");
sessionPrefix += random.Next().ToString("x8");
var packed = new byte[0];
var posts = new List <NanoPost>();
int i = db.GetPostCount() - 1;
while (i >= 0 && posts.Count < FreshPosts)
{
var p = db.GetPost(i--);
if (!db.IsHidden(p.GetHash()))
{
posts.Add(p);
}
}
var parr = posts.ToArray();
var parents = new List <NanoPost>();
foreach (var post in parr)
{
var p = db.Get(post.ReplyTo);
if (p != null && !db.IsHidden(p.GetHash()))
{
parents.Add(p);
}
}
foreach (var post in parents)
{
posts.Add(post);
var p = db.Get(post.ReplyTo);
if (p != null && !db.IsHidden(p.GetHash()))
{
posts.Add(p);
}
}
var slice0 = posts.GetRange(0, Math.Max(posts.Count, FreshPostsNotLimitedTo16384Allowed));
var slice1 = posts.GetRange(slice0.Count, posts.Count - slice0.Count);
posts.Clear();
posts.AddRange(slice0);
posts.AddRange(slice1.ToArray().FilterBySize(16384));
posts.AddRange(db.GetNRandomPosts(RandomPostsLimitedTo8192ALlowed).ExceptHidden(db).FilterBySize(8192));
posts.AddRange(db.GetNRandomPosts(RandomPostsLimitedTo16384Allowed).ExceptHidden(db).FilterBySize(16384));
posts = posts.Distinct().ToList();
packed = NanoPostPackUtil.Pack(posts.ToArray());
float scale = 1;
if (packed.Length > capacity)
{
scale = (packed.Length / (float)capacity);
scale = (float)Math.Sqrt(scale);
if (scale > 2 && !_smaller)
{
new PngContainerCreatorNew(4).SaveToPngContainer(db);
return;
}
bmp = new Bitmap(bmp, (int)(bmp.Width * scale + 1), (int)(bmp.Height * scale + 1));
}
new PngStegoUtil().HideBytesInPng(
bmp,
Strings.Upload + Path.DirectorySeparatorChar + sessionPrefix + Strings.PngExt,
packed);
Console.WriteLine(
string.Format(
"PNG capacity:{0}, posts amount:{1}, packed size:{2}, image scaling: {3:n2}x",
capacity, posts.Count, packed.Length, scale));
Console.WriteLine("Total posts in db: {0}, post length limit (bytes): {1}", db.GetPostCount(), NanoPost.MaxPostByteLength);
NotificationHandler.Instance.AddNotification("Контейнер сохранён: " + Strings.Upload + Path.DirectorySeparatorChar + sessionPrefix + Strings.PngExt);
}
public void SaveToPngContainer(NanoDB db)
{
db.RewriteDbExceptHidden();
db.ClearDb();
db.ReadPosts();
string[] ext = new[] { ".png", ".jpg", ".jpeg" };
var files = new DirectoryInfo(Strings.Containers).GetFiles().Where(f => ext.Contains(f.Extension.ToLower())).ToArray();
if (files.Length == 0)
{
NotificationHandler.Instance.AddNotification("Не найдены PNG файлы в папке containers.");
return;
}
else if (files.Length <= 5)
{
if (!_smaller)
{
NotificationHandler.Instance.AddNotification("Предупреждение: у вас мало контейнеров.");
}
}
FileInfo file = files[random.Next(files.Length - 1)];
var bmp = new Bitmap(file.FullName);
int capacity = (int)(bmp.Width * bmp.Height * 3 / 8) - 32;
string sessionPrefix = random.Next().ToString("x8");
sessionPrefix += random.Next().ToString("x8");
var packed = new byte[0];
var posts = new List<NanoPost>();
int i = db.GetPostCount() - 1;
while (i >= 0 && posts.Count < FreshPosts)
{
var p = db.GetPost(i--);
if (!db.IsHidden(p.GetHash()))
{
posts.Add(p);
}
}
var parr = posts.ToArray();
var parents = new List<NanoPost>();
foreach (var post in parr)
{
var p = db.Get(post.ReplyTo);
if (p != null && !db.IsHidden(p.GetHash()))
{
parents.Add(p);
}
}
foreach (var post in parents)
{
posts.Add(post);
var p = db.Get(post.ReplyTo);
if (p != null && !db.IsHidden(p.GetHash()))
{
posts.Add(p);
}
}
var slice0 = posts.GetRange(0, Math.Max(posts.Count, FreshPostsNotLimitedTo16384Allowed));
var slice1 = posts.GetRange(slice0.Count, posts.Count - slice0.Count);
posts.Clear();
posts.AddRange(slice0);
posts.AddRange(slice1.ToArray().FilterBySize(16384));
posts.AddRange(db.GetNRandomPosts(RandomPostsLimitedTo8192ALlowed).ExceptHidden(db).FilterBySize(8192));
posts.AddRange(db.GetNRandomPosts(RandomPostsLimitedTo16384Allowed).ExceptHidden(db).FilterBySize(16384));
posts = posts.Distinct().ToList();
packed = NanoPostPackUtil.Pack(posts.ToArray());
float scale = 1;
if (packed.Length > capacity)
{
scale = (packed.Length / (float)capacity);
scale = (float)Math.Sqrt(scale);
if (scale > 2 && !_smaller)
{
new PngContainerCreatorNew(4).SaveToPngContainer(db);
return;
}
bmp = new Bitmap(bmp, (int) (bmp.Width * scale + 1), (int) (bmp.Height * scale + 1));
}
new PngStegoUtil().HideBytesInPng(
bmp,
Strings.Upload + Path.DirectorySeparatorChar + sessionPrefix + Strings.PngExt,
packed);
Console.WriteLine(
string.Format(
"PNG capacity:{0}, posts amount:{1}, packed size:{2}, image scaling: {3:n2}x",
capacity, posts.Count, packed.Length, scale));
Console.WriteLine("Total posts in db: {0}, post length limit (bytes): {1}", db.GetPostCount(), NanoPost.MaxPostByteLength);
NotificationHandler.Instance.AddNotification("Контейнер сохранён: " + Strings.Upload + Path.DirectorySeparatorChar + sessionPrefix + Strings.PngExt);
}
public static void AddFooter(StringBuilder sb, long elapsedMs, NanoDB db)
{
sb.Append("<div style='height:15px'></div>");
sb.Append(HtmlStringExtensions.Catalog);
sb.Append("<div style='height:15px'></div>");
sb.Append("<div style='text-align:center;width:100%;'><g>Сервер nboard_"+App.Version+" // Время генерации: "+elapsedMs+" ms // Постов в базе: "+db.GetPostCount()+"</g></div>");
sb.Append("<div style='height:15px'></div>");
}
public NanoHttpResponse Handle(NanoHttpRequest request)
{
return(new NanoHttpResponse(StatusCode.Ok, _db.GetPostCount().ToString()));
}
