arek/arstomp
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feat: Version for .netstandard2.0

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Problems:
- can't validate custom CA certificates
This commit is contained in:
Arkadiusz Rychliński 2021-03-19 14:36:40 +01:00
parent 3f5190fd94
commit de6285466c
4 changed files with 46 additions and 37 deletions
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2
arstomp/arstomp.csproj
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@ -2,7 +2,7 @@
<PropertyGroup> <PropertyGroup>
<OutputType>library</OutputType> <OutputType>library</OutputType>
<TargetFramework>netcoreapp3.1</TargetFramework> <TargetFramework>netstandard2.0</TargetFramework>
</PropertyGroup> </PropertyGroup>
</Project> </Project>

45
arstomp/src/Helpers.cs
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@ -27,25 +27,25 @@ internal static class Helpers
internal static string GetCmdString(FrameType type) internal static string GetCmdString(FrameType type)
{ {
return type switch switch (type)
{ {
FrameType.Unknown => "UNKNOWN", case FrameType.Unknown: return "UNKNOWN";
FrameType.Connected => "CONNECTED", case FrameType.Connected: return "CONNECTED";
FrameType.Message => "MESSAGE", case FrameType.Message: return "MESSAGE";
FrameType.Receipt => "RECEIPT", case FrameType.Receipt: return "RECEIPT";
FrameType.Error => "ERROR", case FrameType.Error: return "ERROR";
FrameType.Stomp => "STOMP", case FrameType.Stomp: return "STOMP";
FrameType.Send => "SEND", case FrameType.Send: return "SEND";
FrameType.Subscribe => "SUBSCRIBE", case FrameType.Subscribe: return "SUBSCRIBE";
FrameType.Unsubscribe => "UNSUBSCRIBE", case FrameType.Unsubscribe: return "UNSUBSCRIBE";
FrameType.Ack => "ACK", case FrameType.Ack: return "ACK";
FrameType.Nack => "NACK", case FrameType.Nack: return "NACK";
FrameType.Begin => "BEGIN", case FrameType.Begin: return "BEGIN";
FrameType.Commit => "COMMIT", case FrameType.Commit: return "COMMIT";
FrameType.Abort => "ABORT", case FrameType.Abort: return "ABORT";
FrameType.Disconnect => "DISCONNECT", case FrameType.Disconnect: return "DISCONNECT";
FrameType.Heartbeat => "", case FrameType.Heartbeat: return "";
_ => "UNKNOWN" default: return "UNKNOWN";
}; };
} }
private static async Task GetMessage(MemoryStream output, ClientWebSocket ws, CancellationToken cancellationToken) private static async Task GetMessage(MemoryStream output, ClientWebSocket ws, CancellationToken cancellationToken)
@ -148,7 +148,7 @@ internal static class Helpers
throw new Exception("Cannot parse header"); throw new Exception("Cannot parse header");
} }
var key = line.Substring(0, colon); var key = line.Substring(0, colon);
var value = line[(colon + 1)..]; var value = line.Substring(colon + 1);
frame.Headers[key.ToLower()] = value; frame.Headers[key.ToLower()] = value;
line = reader.ReadLine().TrimEnd(); // next header line = reader.ReadLine().TrimEnd(); // next header
@ -180,4 +180,11 @@ internal static class Helpers
return frame; return frame;
} }
} }
internal static class Backports
{
public static void WriteWholeArray(this MemoryStream stream, byte[] data)
{
stream.Write(data, 0, data.Length);
}
}
} }

10
arstomp/src/StompClient.cs
View File

@ -40,7 +40,9 @@ namespace ArStomp
if (certCollection != null && certCollection.Count > 0) if (certCollection != null && certCollection.Count > 0)
{ {
this.certCollection = certCollection; this.certCollection = certCollection;
ws.Options.RemoteCertificateValidationCallback = RemoteCertificateValidationCallback;
// TODO find alternative method in case of .netstandard2.0
// ws.Options.RemoteCertificateValidationCallback = RemoteCertificateValidationCallback;
} }
} }
@ -74,7 +76,7 @@ namespace ArStomp
(sslPolicyErrors & (SslPolicyErrors.RemoteCertificateNotAvailable)) > 0 (sslPolicyErrors & (SslPolicyErrors.RemoteCertificateNotAvailable)) > 0
) return false; ) return false;
// last certificate in chain should be one of our trust anchors // last certificate in chain should be one of our trust anchors
X509Certificate2 projectedRootCert = chain.ChainElements[^1].Certificate; X509Certificate2 projectedRootCert = chain.ChainElements[chain.ChainElements.Count - 1].Certificate;
// check if server's root ca is one of our trusted // check if server's root ca is one of our trusted
bool anytrusted = false; bool anytrusted = false;
foreach (var cert in certCollection) foreach (var cert in certCollection)
@ -97,7 +99,7 @@ namespace ArStomp
{ {
if (frame.Body != null) if (frame.Body != null)
{ {
reason = Encoding.UTF8.GetString(frame.Body); reason = Encoding.UTF8.GetString(frame.Body.Array, frame.Body.Offset, frame.Body.Count);
} }
} }
throw new Exception($"Unexpected frame '{frame.Type}'. Message from server: {reason}"); throw new Exception($"Unexpected frame '{frame.Type}'. Message from server: {reason}");
@ -138,7 +140,7 @@ namespace ArStomp
/// <param name="destination">queue o exchange (eg /exchange/name/routing-key in case of RabbitMQ)</param> /// <param name="destination">queue o exchange (eg /exchange/name/routing-key in case of RabbitMQ)</param>
/// <param name="correlationId">property correlationId for the message</param> /// <param name="correlationId">property correlationId for the message</param>
/// <param name="body">content of the message</param> /// <param name="body">content of the message</param>
public ValueTask Send(string destination, string correlationId, byte[] body) public Task Send(string destination, string correlationId, byte[] body)
{ {
var ct = Token.Token; var ct = Token.Token;

24
arstomp/src/StompFrame.cs
View File

@ -68,7 +68,7 @@ namespace ArStomp
return sb.ToString(); return sb.ToString();
} }
internal ValueTask Serialize(ClientWebSocket ws, CancellationToken cancellationToken) internal Task Serialize(ClientWebSocket ws, CancellationToken cancellationToken)
{ {
var utf8 = Encoding.UTF8; var utf8 = Encoding.UTF8;
var EOL = utf8.GetBytes("\n"); var EOL = utf8.GetBytes("\n");
@ -78,29 +78,29 @@ namespace ArStomp
// write command // write command
var cmd = Helpers.GetCmdString(Type); var cmd = Helpers.GetCmdString(Type);
stream.Write(utf8.GetBytes(cmd)); stream.WriteWholeArray(utf8.GetBytes(cmd));
stream.Write(EOL); stream.WriteWholeArray(EOL);
// write headers // write headers
foreach (var i in Headers) foreach (var i in Headers)
{ {
stream.Write(utf8.GetBytes(i.Key)); stream.WriteWholeArray(utf8.GetBytes(i.Key));
stream.Write(COLON); stream.WriteWholeArray(COLON);
stream.Write(utf8.GetBytes(i.Value)); stream.WriteWholeArray(utf8.GetBytes(i.Value));
stream.Write(EOL); stream.WriteWholeArray(EOL);
} }
// write empty line // write empty line
stream.Write(EOL); stream.WriteWholeArray(EOL);
// write body // write body
if (Body != null && Body.Count > 0) if (Body != null && Body.Count > 0)
{ {
stream.Write(Body); stream.Write(Body.Array, Body.Offset, Body.Count);
} }
// write NUL character // write NUL character
stream.Write(NUL); stream.WriteWholeArray(NUL);
stream.Flush(); stream.Flush();
var array = stream.GetBuffer(); var array = stream.GetBuffer();
if (StompClient.Debug) Console.WriteLine(">>>\n{0}\n>>>\n", this); if (StompClient.Debug) Console.WriteLine(">>>\n{0}\n>>>\n", this);
return ws.SendAsync(array.AsMemory(0, (int)stream.Position), WebSocketMessageType.Binary, true, cancellationToken); return ws.SendAsync(new ArraySegment<byte>(array, 0, (int)stream.Position), WebSocketMessageType.Binary, true, cancellationToken);
} }
} }
@ -124,7 +124,7 @@ namespace ArStomp
Headers["reply-to"] = "/temp-queue/rpc-replies"; Headers["reply-to"] = "/temp-queue/rpc-replies";
if (correlationId != null) Headers["correlation-id"] = correlationId; if (correlationId != null) Headers["correlation-id"] = correlationId;
Headers["content-length"] = body.Length.ToString(); Headers["content-length"] = body.Length.ToString();
Body = body; Body = new ArraySegment<byte>(body, 0, body.Length);
} }
} }