XMPP sucks

jabber_actor.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version       = "20230412"
+version = "20230424"
 author        = "Emery Hemingway"
 description   = "Jabber Syndicate actor"
 license       = "Unlicense"

src/jabber_actor.nim

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: ☭ Emery Hemingway
 # SPDX-License-Identifier: Unlicense
 
-import std/asyncdispatch, asyncnet, net, strutils
+import std/[asyncdispatch, asyncnet, net, strutils, xmltree]
 import syndicate
 import getdns
 import ./protocol
@@ -14,23 +14,35 @@ proc checkError(r: getdns_return_t) =
 type Client = ref object
   context: SslContext
   socket: AsyncSocket
+  domain, jid: string
 
 proc close(client: Client) =
   try: close(client.socket)
   except CatchableError: discard # stupid
   destroyContext(client.context)
 
-proc connect(client: Client; jid: string) {.async.} =
-  stderr.writeLine "connecting as ", jid
-  var domains = rsplit(jid, '@', 1)
-  stderr.writeLine "domains is ", $domains
-  if domains.len != 2:
-    stderr.writeLine "invalid JID ", jid
-    raise newException(ValueError, "invalid JID " & jid)
-  var serviceProtoName = "_xmpps-client._tcp." & domains[1]
+proc runStream(client: Client) {.async.} =
+  block:
+    var opening = newXmlTree(
+        "stream:stream", [], {
+          "from": client.jid,
+          "to": client.domain,
+          "version": "1.0",
+          "xml:lang": "en",
+          "xmlns": "jabber:client",
+          "xmlns:stream": "http://etherx.jabber.org/streams",
+        }.toXmlAttributes)
+    var txt = $opening
+    txt.setLen(text.high)
+    txt[text.high] = '>'
+      # XMPP streams are not an XML document
+    await send(client.socket, $opening)
+
+proc connect(client: Client) {.async.} =
+  var serviceProtoName = "_xmpps-client._tcp." & client.domain
   stderr.writeLine "lookup ", serviceProtoName
-  let dns = getdns.newContext(true)
-  # defer: context_destroy(dns)
+  var dns = getdns.newContext(true)
+  defer: context_destroy(dns)
   dns.setResolutionType(GETDNS_RESOLUTION_STUB)
   var response: Dict
   checkError service_sync(dns, serviceProtoName, nil, addr response)
@@ -40,8 +52,8 @@ proc connect(client: Client; jid: string) {.async.} =
     wrapSocket(client.context, client.socket)
     try:
       let
-        host = srvAddr["domain_name"].bindata.toFqdn
-        port = srvAddr["port"].int.Port
+        host = "jabber.spam.works" # srvAddr["domain_name"].bindata.toFqdn
+        port = Port 5223 # srvAddr["port"].int.Port
       stderr.writeLine "connecting to ", host, ":", port
       await connect(client.socket, host, port)
       stderr.writeLine "successfully connected to ", host, ":", port
@@ -51,16 +63,23 @@ proc connect(client: Client; jid: string) {.async.} =
       close(client)
 
 proc bootClient(turn: var Turn; jid, password: string; ds: Ref): Client =
-  result = Client(
-    context: newContext(protTLSv1, CVerifyNone),
-    socket: newAsyncSocket(),
-  )
-  asyncCheck(turn, connect(result, jid))
+  block:
+    var domains = rsplit(jid, '@', 1)
+    if domains.len != 2:
+      stderr.writeLine "invalid JID ", jid
+      raise newException(ValueError, "invalid JID " & jid)
+    result = Client(
+      context: newContext(protTLSv1, CVerifyNone),
+      socket: newAsyncSocket(),
+      domain: domains[1],
+      jid: jid,
+    )
+  waitFor runStream(result)
+  waitFor connect(result)
+  waitFor runStream(result)
 
 bootDataspace("main") do (root: Ref; turn: var Turn):
-  stderr.writeLine "connectStdio…"
   connectStdio(root, turn)
-  stderr.writeLine "stdio connected"
   during(turn, root, ?XmppClient) do (jid: string, password: string, ds: Ref):
     let client = bootClient(turn, jid, password, ds)
   do:
@@ -68,5 +87,3 @@ bootDataspace("main") do (root: Ref; turn: var Turn):
     close(client)
 
 runForever()
-
-{.error: "during clause not active until retraction".}