Add plain text message bridging

2018-01-20 23:59:51 +02:00
parent ad6a9ebae3
commit 899f491707
14 changed files with 1102 additions and 24 deletions
@@ -0,0 +1,94 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2018 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+from telethon import TelegramClient
+from telethon.tl.types import User as UserEntity, Chat as ChatEntity, Channel as ChannelEntity
+from .db import Puppet as DBPuppet
+from . import portal as p
+
+config = None
+
+
+class Puppet:
+    cache = {}
+
+    def __init__(self, id=None, displayname=None):
+        self.id = id
+
+        self.localpart = config.get("bridge.alias_template", "telegram_{}").format(self.id)
+        hs = config["homeserver"]["domain"]
+        self.mxid = f"@{self.localpart}:{hs}"
+        self.displayname = displayname
+        self.intent = self.az.intent.user(self.mxid)
+
+        self.cache[id] = self
+
+    def to_db(self):
+        return self.db.merge(DBPuppet(id=self.id, displayname=self.displayname))
+
+    @classmethod
+    def from_db(cls, db_puppet):
+        return Puppet(db_puppet.id, db_puppet.displayname)
+
+    def save(self):
+        self.to_db()
+        self.db.commit()
+
+    def get_displayname(self, info):
+        if info.first_name or info.last_name:
+            name = " ".join([info.first_name or "", info.last_name or ""]).strip()
+        elif info.username:
+            name = info.username
+        elif info.phone_number:
+            name = info.phone_number
+        else:
+            name = info.id
+        return config.get("bridge.displayname_template", "{} (Telegram)").format(name)
+
+    def update_info(self, info):
+        changed = False
+        displayname = self.get_displayname(info)
+        if displayname != self.displayname:
+            self.intent.set_display_name(displayname)
+            self.displayname = displayname
+            changed = True
+
+        if changed:
+            self.save()
+
+    @classmethod
+    def get(cls, id, create=True):
+        try:
+            return cls.cache[id]
+        except KeyError:
+            pass
+
+        puppet = DBPuppet.query.get(id)
+        if puppet:
+            return cls.from_db(puppet)
+
+        if create:
+            puppet = cls(id)
+            cls.db.add(puppet.to_db())
+            cls.db.commit()
+            return puppet
+
+        return None
+
+
+def init(context):
+    global config
+    Puppet.az, Puppet.db, log, config = context
+    Puppet.log = log.getChild("puppet")