Updating mattermost connector to use bot accounts

changelog/5250.enhancement.rst

@@ -0,0 +1 @@
+Added support for mattermost connector to use bot accounts.

docs/user-guide/connectors/mattermost.rst

@@ -12,6 +12,14 @@ Once you have them you can add these to your ``credentials.yml``.
 
 Getting Credentials
 ^^^^^^^^^^^^^^^^^^^
+Mattermost now uses bot accounts for better security.  So you can use their guide to create
+your bot to get your token required for the `credentials.yml` file.
+
+For more information on creating a bot account please see
+`Bot Creation <https://docs.mattermost.com/developer/bot-accounts.html#bot-account-creation>`_.
+
+For information on converting existing user account into bot account please see
+`User Conversion <https://docs.mattermost.com/developer/bot-accounts.html#how-do-i-convert-an-existing-account-to-a-bot-account>`_.
 
 **How to set up the outgoing webhook:**
 
@@ -50,8 +58,7 @@ you need to supply a ``credentials.yml`` with the following content:
    mattermost:
      url: "https://chat.example.com/api/v4"
      team: "community"
-     user: "[email protected]" #  actual username of your bot user, not displayname
-     pw: "password"
+     token: "xxxxx" #  the token for the bot account from creating the bot step.
      webhook_url: "https://server.example.com/webhooks/mattermost/webhook"
 
 The endpoint for receiving Mattermost channel messages

rasa/core/channels/mattermost.py

@@ -28,20 +28,17 @@ def __init__(
         self,
         url: Text,
         team: Text,
-        user: Text,
-        pw: Text,
+        token: Text,
         bot_channel: Text,
         webhook_url: Optional[Text],
     ) -> None:
         self.url = url
         self.team = team
-        self.user = user
-        self.pw = pw
+        self.token = token
         self.bot_channel = bot_channel
         self.webhook_url = webhook_url
 
-        super().__init__(url, team)
-        super().login(user, pw)
+        super().__init__(url, team, token=token)
 
     async def send_text_message(
         self, recipient_id: Text, text: Text, **kwargs: Any
@@ -120,15 +117,12 @@ def from_credentials(cls, credentials: Optional[Dict[Text, Any]]) -> InputChanne
         return cls(
             credentials.get("url"),
             credentials.get("team"),
-            credentials.get("user"),
-            credentials.get("pw"),
+            credentials.get("token"),
             credentials.get("webhook_url"),
         )
         # pytype: enable=attribute-error
 
-    def __init__(
-        self, url: Text, team: Text, user: Text, pw: Text, webhook_url: Text
-    ) -> None:
+    def __init__(self, url: Text, team: Text, token: Text, webhook_url: Text) -> None:
         """Create a Mattermost input channel.
         Needs a couple of settings to properly authenticate and validate
         messages.
@@ -137,16 +131,14 @@ def __init__(
             url: Your Mattermost team url including /v4 example
                 https://mysite.example.com/api/v4
             team: Your mattermost team name
-            user: Your mattermost userid that will post messages
-            pw: Your mattermost password for your user
+            token: Your mattermost bot token
             webhook_url: The mattermost callback url as specified
                 in the outgoing webhooks in mattermost example
                 https://mysite.example.com/webhooks/mattermost/webhook
         """
         self.url = url
         self.team = team
-        self.user = user
-        self.pw = pw
+        self.token = token
         self.webhook_url = webhook_url
 
     async def message_with_trigger_word(
@@ -165,12 +157,7 @@ async def message_with_trigger_word(
 
         try:
             out_channel = MattermostBot(
-                self.url,
-                self.team,
-                self.user,
-                self.pw,
-                self.bot_channel,
-                self.webhook_url,
+                self.url, self.team, self.token, self.bot_channel, self.webhook_url,
             )
             user_msg = UserMessage(
                 text,
@@ -198,12 +185,7 @@ async def action_from_button(
 
         try:
             out_channel = MattermostBot(
-                self.url,
-                self.team,
-                self.user,
-                self.pw,
-                self.bot_channel,
-                self.webhook_url,
+                self.url, self.team, self.token, self.bot_channel, self.webhook_url,
             )
             context_action = UserMessage(
                 action,

requirements.txt

@@ -27,7 +27,7 @@ slackclient==1.3.1
 python-telegram-bot==11.1.0
 twilio==6.26.3
 webexteamssdk==1.1.1
-mattermostwrapper==2.1
+mattermostwrapper==2.2
 rocketchat_API==0.6.31
 colorhash==1.0.2
 pika==1.0.1