public override Task ProgressTask(WebProgressTask task)
{
task.Response.StatusCode = HttpStateCode.NotFound;
var sb = new StringBuilder();
sb.Append("<html><head><title>404 NOT FOUND</title></head>");
sb.Append("<body><h1>Error 404: Not Found</h1><p>The requested resource is not found.</p>");
sb.AppendLine("<pre>");
sb.AppendLine($"Protocol: {WebUtility.HtmlEncode(task.Request.HttpProtocol)}");
sb.AppendLine($"Method: {WebUtility.HtmlEncode(task.Request.ProtocolMethod)}");
sb.AppendLine($"Url: {WebUtility.HtmlEncode(task.Request.Location.Url)}");
sb.AppendLine($"Header:");
foreach (var(key, value) in task.Request.HeaderParameter)
{
sb.AppendLine($"\t{WebUtility.HtmlEncode(key)}: {WebUtility.HtmlEncode(value)}");
}
sb.AppendLine($"Body:");
sb.AppendLine(WebUtility.HtmlEncode(task.Request.Post.ToString()));
sb.Append($"</pre><p>Try to change the request to get your expected response.</p>");
sb.Append($"<small>Created by <a href=\"https://github.com/Garados007/MaxLib.WebServer\" " +
$"target=\"_blank\">MaxLib.WebServer {Version}</a>: {DateTime.UtcNow:r}</small></body></html>");
task.Document.DataSources.Add(new HttpStringDataSource(sb.ToString())
{
MimeType = MimeType.TextHtml,
TextEncoding = "utf-8",
});
return(Task.CompletedTask);
}
public override async Task ProgressTask(WebProgressTask task)
{
_ = task ?? throw new ArgumentNullException(nameof(task));
var cookie = task.Request?.Cookie.Get("Session");
string key;
if (cookie == null)
{
key = await GenerateSessionKey().ConfigureAwait(false);
task.Request?.Cookie.AddedCookies.Add("Session",
new HttpCookie.Cookie(
"Session",
key,
DateTime.UtcNow + MaxAge,
(int)MaxAge.TotalSeconds,
CookiePath
));
}
else
{
key = cookie.Value.ValueString;
}
task.Session = await Get(key).ConfigureAwait(false);
}
protected virtual async ValueTask <bool> WaitForData(WebProgressTask task)
{
try
{
if (task.NetworkStream is NetworkStream ns && !ns.DataAvailable)
{
var maxDelay = MaxConnectionDelay;
var maxSlice = TimeSpan.FromMilliseconds(10);
while (maxDelay > TimeSpan.Zero && !ns.DataAvailable)
{
var slice = maxSlice < maxDelay ? maxSlice : maxDelay;
await Task.Delay(slice).ConfigureAwait(false);
maxDelay -= slice;
}
if (!ns.DataAvailable)
{
WebServerLog.Add(ServerLogType.Error, GetType(), "Header", "Request Timeout");
task.Request.FieldConnection = HttpConnectionType.KeepAlive;
task.Response.StatusCode = HttpStateCode.RequestTimeOut;
task.NextStage = ServerStage.CreateResponse;
return(false);
}
}
}
catch (ObjectDisposedException)
{
WebServerLog.Add(ServerLogType.Error, GetType(), "Header", "Connection closed by remote host");
task.Response.StatusCode = HttpStateCode.RequestTimeOut;
task.NextStage = ServerStage.FINAL_STAGE;
return(false);
}
return(true);
}
protected virtual async ValueTask <string?> ReadLine(WebProgressTask task,
NetworkReader reader, long limit, HttpStateCode exceedState
)
{
string?line;
try { line = await reader.ReadLineAsync(limit).ConfigureAwait(false); }
catch (IO.ReadLineOverflowException e)
{
e.State = exceedState;
throw;
}
catch
{
WebServerLog.Add(ServerLogType.Error, GetType(), "Header", "Connection closed by remote host");
task.Response.StatusCode = HttpStateCode.RequestTimeOut;
task.NextStage = ServerStage.FINAL_STAGE;
return(null);
}
if (line == null)
{
WebServerLog.Add(ServerLogType.Error, GetType(), "Header", "Can't read Header line");
task.Response.StatusCode = HttpStateCode.BadRequest;
task.NextStage = ServerStage.CreateResponse;
}
return(line);
}
private void HandleCreateConnection(WebProgressTask task, string responseKey,
IWebSocketEndpoint endpoint, WebSocketConnection connection)
{
task.Response.StatusCode = HttpStateCode.SwitchingProtocols;
task.Response.SetHeader(
("Access-Control-Allow-Origin", "*"),
("Upgrade", "websocket"),
("Connection", "Upgrade"),
("Sec-WebSocket-Accept", responseKey),
("Sec-WebSocket-Protocol", endpoint.Protocol)
);
task.SwitchProtocols(async() =>
{
if (System.Diagnostics.Debugger.IsAttached)
{
await connection.HandshakeFinished().ConfigureAwait(false);
}
else
{
try
{
await connection.HandshakeFinished().ConfigureAwait(false);
}
catch (Exception e)
{
WebServerLog.Add(ServerLogType.Error, GetType(), "handshake", $"handshake error: {e}");
}
}
});
task.NextStage = ServerStage.SendResponse;
}
public override bool CheckPrecondition(WebProgressTask task)
{
if (!base.CheckPrecondition(task))
{
return(false);
}
Dictionary <string, object?> vars;
if (task.Document.Information.TryGetValue(MethodService.InfoKey, out object?infoKeyObj) &&
infoKeyObj is Dictionary <string, object?> info
)
{
vars = info;
}
else
{
vars = new Dictionary <string, object?>();
}
foreach (var rule in Rules)
{
task.Monitor.Current.Log("check rule {0}", rule);
if (!rule.CanWorkWith(task, vars))
{
return(false);
}
}
task.Document[MethodService.InfoKey] = vars;
task.Monitor.Current.Log("rule success");
return(true);
}
protected override async Task <HttpDataSource> HandleRequest(WebProgressTask task, string[] location)
{
_ = task ?? throw new ArgumentNullException(nameof(task));
_ = location ?? throw new ArgumentNullException(nameof(location));
var query = GetQueryArgs(task, location);
foreach (var endpoint in RestEndpoints)
{
if (endpoint == null)
{
continue;
}
var q = endpoint.Check(query);
if (q == null)
{
continue;
}
var result = await endpoint.GetSource(q.ParsedArguments)
.ConfigureAwait(false);
if (result != null)
{
return(result);
}
}
return(NoEndpoint(task, query));
}
protected virtual HttpDataSource NoEndpoint(WebProgressTask task, RestQueryArgs args)
{
_ = task ?? throw new ArgumentNullException(nameof(task));
_ = args ?? throw new ArgumentNullException(nameof(args));
task.Response.StatusCode = HttpStateCode.NotFound;
return(new HttpStringDataSource("no endpoint"));
}
public override bool CanWorkWith(WebProgressTask task)
{
return(!OnlyWithLazy || (task.Document.DataSources.Count > 0 &&
task.Document.DataSources.Any((s) => s is LazySource ||
(s is Remote.MarshalSource ms && ms.IsLazy)
)) || task.Document.DataSources.Any(s => s.Length() is null));
}
protected virtual ValueTask <bool> LoadContent(WebProgressTask task, NetworkReader reader)
{
if (!task.Request.HeaderParameter.TryGetValue("Content-Length", out string?strLength))
{
return(new ValueTask <bool>(true));
}
if (!int.TryParse(strLength, out int length) || length < 0)
{
WebServerLog.Add(ServerLogType.Error, GetType(), "Header", "Bad Request, invalid content length");
task.Response.StatusCode = HttpStateCode.BadRequest;
task.NextStage = ServerStage.CreateResponse;
return(new ValueTask <bool>(false));
}
var content = new IO.ContentStream(reader, length);
task.Request.Post.SetPost(
task,
content,
task.Request.HeaderParameter.TryGetValue("Content-Type", out string?contentType)
? contentType : null
);
return(new ValueTask <bool>(true));
}
public override async Task ProgressTask(WebProgressTask task)
{
if (task.NetworkStream == null)
{
return;
}
var protocols = (task.Request.GetHeader("Sec-WebSocket-Protocol")?.ToLower() ?? "")
.Split(new char[] { ' ', ',' }, StringSplitOptions.RemoveEmptyEntries);
var key = task.Request.GetHeader("Sec-WebSocket-Key");
var version = task.Request.GetHeader("Sec-WebSocket-Version"); // MUST be 13 according RFC 6455
if (key == null || version != "13")
{
task.Response.StatusCode = HttpStateCode.BadRequest;
task.Response.SetHeader("Sec-WebSocket-Version", "13");
task.NextStage = ServerStage.CreateResponse;
return;
}
var responseKey = Convert.ToBase64String(
System.Security.Cryptography.SHA1.Create().ComputeHash(
Encoding.UTF8.GetBytes(
$"{key.Trim()}258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
)
)
);
foreach (var endpoint in Endpoints)
{
if (protocols.Length > 0 && (endpoint.Protocol == null || !protocols.Contains(endpoint.Protocol)))
{
continue;
}
var connection = await endpoint.Create(task.NetworkStream, task.Request).ConfigureAwait(false);
if (connection == null)
{
continue;
}
HandleCreateConnection(task, responseKey, endpoint, connection);
return;
}
if (CloseEndpoint is WebSocketCloserEndpoint ep)
{
var connection = await ep.Create(task.NetworkStream, task.Request).ConfigureAwait(false);
if (connection == null)
{
return;
}
HandleCreateConnection(task, responseKey, ep, connection);
}
}
public override Task ProgressTask(WebProgressTask task)
{
task.Document.DataSources.Add(new HttpFileDataSource(path)
{
MimeType = MimeType.TextHtml
});
return(Task.CompletedTask);
}
public override async Task ProgressTask(WebProgressTask task)
{
var request = task.Request;
var response = task.Response;
response.FieldContentType = task.Document.PrimaryMime;
response.SetActualDate();
response.HttpProtocol = request.HttpProtocol;
response.SetHeader(new (string, string?)[]
public override Result <object?> GetValue(WebProgressTask task, string field,
Dictionary <string, object?> vars
)
{
if (!vars.TryGetValue(Name ?? field, out object?value))
{
return(new Result <object?>());
}
return(new Result <object?>(value));
}
public override Result <object?> GetValue(WebProgressTask task, string field,
Dictionary <string, object?> vars
)
{
if (!task.Request.Location.GetParameter.TryGetValue(Name ?? field, out string?value))
{
return(new Result <object?>());
}
return(new Result <object?>(value));
}
public override async Task ProgressTask(WebProgressTask task)
{
_ = task ?? throw new ArgumentNullException(nameof(task));
var request = task.Request;
var response = task.Response;
response.FieldContentType = task.Document.PrimaryMime;
response.SetActualDate();
response.HttpProtocol = request.HttpProtocol;
response.SetHeader(new (string, string?)[]
public override Task ProgressTask(WebProgressTask task, object?[]?data)
{
if (data is null)
{
return(Task.CompletedTask);
}
using var watch = task.Monitor.Watch(MethodClass, $"Execute {Method.Name}()");
var result = Method.Invoke(MethodClass, data);
GC.KeepAlive(watch);
return(Result(task, result));
}
public override bool CanWorkWith(WebProgressTask task)
{
if (task.Request.Location.StartsUrlWith(new[] { "game" }))
{
return(true);
}
if (task.Request.Location.IsUrl(new[] { "script.js" }))
{
return(true);
}
return(false);
}
public override bool CanWorkWith(WebProgressTask task)
{
_ = task ?? throw new ArgumentNullException(nameof(task));
switch (task.Request.ProtocolMethod)
{
case HttpProtocolMethod.Head: return(true);
case HttpProtocolMethod.Options: return(true);
default: return(false);
}
}
public override Result <object?> GetValue(WebProgressTask task, string field, Dictionary <string, object?> vars)
{
var post = task.Request.Post.Data;
if (!(post is Post.UrlEncodedData data))
{
return(new Result <object?>());
}
if (!data.Parameter.TryGetValue(Name ?? field, out string?value))
{
return(new Result <object?>());
}
return(new Result <object?>(value));
}
public override async Task ProgressTask(WebProgressTask task)
{
_ = task ?? throw new ArgumentNullException(nameof(task));
var source = new HttpStringDataSource(Document)
{
MimeType = MimeType.TextHtml
};
task.Response.StatusCode = HttpStateCode.OK;
task.Document.DataSources.Add(source);
task.Document.PrimaryEncoding = "utf-8";
await Task.CompletedTask.ConfigureAwait(false);
}
public async Task TestMethodExec()
{
var method = MaxLib.WebServer.Builder.Tools.Generator.GenerateMethod(
typeof(SingleService).GetMethod("Foo") !
);
var task = new WebProgressTask();
task.Request.Url = "/foo/2?bar=bar";
Assert.IsTrue(method !.CanWorkWith(task, out object?[]? data));
await method.ProgressTask(task, data);
Assert.AreEqual(1, task.Document.DataSources.Count);
Assert.IsTrue(task.Document.DataSources[0] is HttpStringDataSource);
var source = (HttpStringDataSource)task.Document.DataSources[0];
Assert.AreEqual("test", source.Data);
}
public override Result <object?> GetValue(WebProgressTask task, string field, Dictionary <string, object?> vars)
{
var post = task.Request.Post.Data;
if (!(post is MaxLib.WebServer.Post.UnknownPostData data))
{
return(new Result <object?>());
}
using var reader = new StreamReader(
data.Data,
System.Text.Encoding.UTF8,
bufferSize: -1,
detectEncodingFromByteOrderMarks: false,
leaveOpen: true
);
return(new Result <object?>(reader.ReadToEnd()));
}
public override bool MapRequest(ReadOnlySpan <string> path, WebProgressTask task)
{
var loc = task.Request.Location;
if (loc.DocumentPath.EndsWith('/') || path.Length < UrlPath.Length)
{
return(false);
}
for (int i = 0; i < UrlPath.Length; ++i)
{
if (UrlPath.Span[i] != path[i])
{
return(false);
}
}
Span <string> localPathTiles = new string[path.Length - UrlPath.Length + 1];
localPathTiles[0] = LocalBasePath;
path[UrlPath.Length..].CopyTo(localPathTiles[1..]);
private async ValueTask DebugConnection(WebProgressTask task)
{
if (DebugLogConnectionFile == null)
{
return;
}
var sb = new StringBuilder();
sb.AppendLine($"{WebServerUtils.GetDateString(DateTime.UtcNow)} " +
$"{task.Connection?.NetworkClient?.Client.RemoteEndPoint}");
var host = task.Request.HeaderParameter.TryGetValue("Host", out string?host_)
? host_ : "";
sb.AppendLine(" " + host + task.Request.Location.DocumentPath);
sb.AppendLine();
await File.AppendAllTextAsync(DebugLogConnectionFile, sb.ToString()).ConfigureAwait(false);
}
protected virtual bool ParseFirstHeaderLine(WebProgressTask task, string line)
{
WebServerLog.Add(ServerLogType.Debug, GetType(), "Header", line);
var parts = line.Split(' ');
if (parts.Length != 3)
{
WebServerLog.Add(ServerLogType.Error, GetType(), "Header", "Bad Request");
task.Response.StatusCode = HttpStateCode.BadRequest;
task.NextStage = ServerStage.CreateResponse;
return(false);
}
task.Request.ProtocolMethod = parts[0];
task.Request.Url = parts[1];
task.Request.HttpProtocol = parts[2];
return(true);
}
protected virtual bool ParseOtherHeaderLine(WebProgressTask task, string line)
{
var ind = line.IndexOf(':');
if (ind < 0)
{
WebServerLog.Add(ServerLogType.Error, GetType(), "Header", "Bad Request");
task.Response.StatusCode = HttpStateCode.BadRequest;
task.NextStage = ServerStage.CreateResponse;
return(false);
}
var key = line.Remove(ind).Trim();
var value = line.Substring(ind + 1).Trim();
task.Request.HeaderParameter.Add(key, value);
return(true);
}
public override bool CanWorkWith(WebProgressTask task, out object?[]?data)
{
using var watch = task.Monitor.Watch(MethodClass, $"Check {Method.Name}()");
data = new object[Parameters.Count];
Dictionary <string, object?> vars;
if (task.Document.Information.TryGetValue(InfoKey, out object?infoKeyObj) &&
infoKeyObj is Dictionary <string, object?> info
)
{
vars = info;
}
else
{
vars = new Dictionary <string, object?>();
}
// verify rules
foreach (var rule in Rules)
{
watch.Log("verify rule {0}", rule);
if (!rule.CanWorkWith(task, vars))
{
return(false);
}
}
// execute parameter
for (int i = 0; i < Parameters.Count; ++i)
{
watch.Log("execute parameter {0}", Parameters[i]);
var res = Parameters[i].GetValue(task, vars);
if (!res.HasValue)
{
return(false);
}
data[i] = res.Value;
}
// method is ready to call
GC.KeepAlive(watch);
return(true);
}
public override async Task ProgressTask(WebProgressTask task)
{
_ = task ?? throw new ArgumentNullException(nameof(task));
var header = task.Request;
//Accept
if (header.HeaderParameter.TryGetValue("Accept", out string?value))
{
header.FieldAccept.AddRange(value.Split(
new[] { ',', ' ', ';' }, StringSplitOptions.RemoveEmptyEntries));
}
//Accept-Encoding
if (header.HeaderParameter.TryGetValue("Accept-Encoding", out value))
{
header.FieldAcceptEncoding.AddRange(value.Split(
new[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries));
}
//Connection
if (header.HeaderParameter.TryGetValue("Connection", out value))
{
if (value.ToLower() == "keep-alive")
{
header.FieldConnection = HttpConnectionType.KeepAlive;
}
}
//Host
if (header.HeaderParameter.TryGetValue("Host", out value))
{
header.Host = value;
}
//Cookie
if (header.HeaderParameter.TryGetValue("Cookie", out value))
{
header.Cookie.SetRequestCookieString(value);
}
await Task.CompletedTask.ConfigureAwait(false);
}
internal async Task Save(string path, DateTime started, WebProgressTask task)
{
var callName = SanitizePath(task.Request.Location.DocumentPath);
if (callName.Length == 0)
{
callName = "_";
}
var date = started.ToString("yyyy-MM-dd_HH-mm-ss-fffffff");
var dir = $"{path}/{callName}";
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
var inc = 1;
var file = $"{dir}/{date}.log";
while (File.Exists(file))
{
inc++;
file = $"{dir}/{date}.{inc}.log";
}
using var stream = new FileStream(file, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Read);
using var writer = new StreamWriter(stream, Encoding.UTF8);
try { WriteTo(writer); }
catch (Exception e)
{
WebServerLog.Add(ServerLogType.FatalError, GetType(), "write logs", e.ToString());
writer.WriteLine(e);
}
await writer.FlushAsync();
writer.Flush();
await stream.FlushAsync();
}
