use b64 encoding

[mtxbot.git] / src / presence.py

diff --git a/src/presence.py b/src/presence.py
index 4c7e966a5d9cd4de89439d4662a4fb425a772c5a..7430ee814f4a5e02b2138fed820473964ba16454 100644 (file)
--- a/src/presence.py
+++ b/src/presence.py
@@ -1,5 +1,6 @@
 import aiofiles
 import asyncio
+import base64
 import errno
 import logging
 import posix
@@ -8,16 +9,21 @@ class Presence:
     def __init__(self, room_name, fifo_path):
         self._room_name = room_name
         self._fifo_path = fifo_path
+        self._joined_room_id = None
 
     async def run(self, client):
         self._log(logging.INFO, "Presence running")
         self._stop = False
-        while not self._stop:
-            room_id = await self._enter_room(client)
-            try:
-                await self._process_messages(client, room_id)
-            except Exception as e:
-                self._log(logging.ERROR, "Error processing messages: %s", str(e))
+
+        done, pending = await asyncio.wait(
+            [asyncio.create_task( self._room_joining_loop(client) ),
+             asyncio.create_task( self._message_loop(client) )],
+            return_when = asyncio.FIRST_EXCEPTION
+        )
+
+        for task in done:
+            task.result()
+
         self._log(logging.INFO, "Presence stopped")
 
     def stop(self):
@@ -27,55 +33,79 @@ class Presence:
 
     def _do_stop(self):
         self._stop = True
-        fifo = -1
-        try:
-            fifo = posix.open(self._fifo_path, posix.O_WRONLY | posix.O_NONBLOCK)
-            posix.write(fifo, "\n".encode())
-        except OSError as e:
-            if e.errno == errno.ENXIO:
-                pass
-        finally:
-            if fifo != -1:
-                posix.close(fifo)
+        self._tickle_fifo()
 
-    async def _enter_room(self, client):
+    async def _room_joining_loop(self, client):
         while not self._stop:
             await client.sync()
 
-            for room_id, room in client.rooms.items():
-                if room.display_name == self._room_name:
-                    self._log(logging.INFO, "A room member already")
-                    return room_id
+            prior_joined_room_id = self._joined_room_id
+            self._joined_room_id = await self._get_joined_room_id(client)
 
-            self._log(logging.INFO, "Not yet a room member")
-
-            was_invited = False
-            for room_id, room in client.invited_rooms.items():
-                if room.display_name == self._room_name:
-                    was_invited = True
-                    self._log(logging.INFO, "Joining room")
-                    await client.join(room_id)
-                    break
-
-            if not was_invited:
-                self._log(logging.INFO, "Got no room invite yet")
+            if self._joined_room_id != None:
+                if self._joined_room_id != prior_joined_room_id:
+                    self._log(logging.INFO, "Joined room")
+            else:
+                if self._joined_room_id != prior_joined_room_id:
+                    self._log(logging.INFO, "Got kicked out of room?")
+                else:
+                    self._log(logging.INFO, "Not yet a room member")
+                was_invited = False
+                for room_id, room in client.invited_rooms.items():
+                    if room.display_name == self._room_name:
+                        was_invited = True
+                        self._log(logging.INFO, "Joining room")
+                        await client.join(room_id)
+                        break
+                if not was_invited:
+                    self._log(logging.INFO, "Got no room invite yet")
 
             await asyncio.sleep(3.0)
 
-    async def _process_messages(self, client, room_id):
+    async def _message_loop(self, client):
         if self._stop:
             return
         async for line in self._read_fifo(self._fifo_path):
             if self._stop:
                 break
-            await client.room_send(
-                room_id=room_id,
-                message_type="m.room.message",
-                content={
-                    "msgtype": "m.text",
-                    "body": line.rstrip("\n")
-                }
-            )
+            if self._joined_room_id != None:
+                try:
+                    msgB64Bytes = line.rstrip("\n").encode("UTF-8")
+                    msgBytes = base64.b64decode(msgB64Bytes)
+                    msgStr = msgBytes.decode("UTF-8")
+                except:
+                    self._log(logging.WARNING, "Error decoding message")
+                    continue
+                await client.room_send(
+                    room_id=self._joined_room_id,
+                    message_type="m.room.message",
+                    content={
+                        "msgtype": "m.text",
+                        "body": msgStr
+                    }
+                )
+            else:
+                self._log(logging.WARNING, "Dropping message cause no room joined")
+
+    def _tickle_fifo(self):
+        fifo = -1
+        try:
+            fifo = posix.open(self._fifo_path, posix.O_WRONLY | posix.O_NONBLOCK)
+            posix.write(fifo, "\n".encode())
+        except OSError as e:
+            if e.errno == errno.ENXIO:
+                pass
+        finally:
+            if fifo != -1:
+                posix.close(fifo)
+
+    async def _get_joined_room_id(self, client):
+        joined_room_ids = ( await client.joined_rooms() ).rooms
+        for room_id, room in client.rooms.items():
+            if room.display_name == self._room_name:
+                if room_id in joined_room_ids:
+                    return room_id
+        return None
 
     def _log(self, level, msg, *args, **kwargs):
         logging.log(level, "P{%s}: %s" % (self._room_name, msg), *args, **kwargs)