Add notes on how to update the Google sheets credentials

[turbot] / turbot_lambda / turbot_lambda.py

diff --git a/turbot_lambda/turbot_lambda.py b/turbot_lambda/turbot_lambda.py
index 4074d7732d3fee7d20aa49b402e682aab2aa9011..d529c85ed625a1846d3dd7e72703de9ecc912676 100644 (file)
--- a/turbot_lambda/turbot_lambda.py
+++ b/turbot_lambda/turbot_lambda.py
@@ -5,6 +5,7 @@ import boto3
 import requests
 import json
 import pickle
+import os
 from types import SimpleNamespace
 from google.auth.transport.requests import Request
 from googleapiclient.discovery import build
@@ -17,14 +18,24 @@ ssm = boto3.client('ssm')
 # Note: Late import here to have the environment variable above available
 from turbot.slack import slack_is_valid_request # noqa
 
-response = ssm.get_parameter(Name='SLACK_BOT_TOKEN', WithDecryption=True)
-slack_bot_token = response['Parameter']['Value']
+if 'SLACK_BOT_TOKEN' in os.environ:
+    slack_bot_token = os.environ['SLACK_BOT_TOKEN']
+else:
+    response = ssm.get_parameter(Name='SLACK_BOT_TOKEN', WithDecryption=True)
+    slack_bot_token = response['Parameter']['Value']
+    os.environ['SLACK_BOT_TOKEN'] = slack_bot_token
 slack_client = WebClient(slack_bot_token)
 
-response = ssm.get_parameter(Name='GSHEETS_PICKLE_BASE64', WithDecryption=True)
-gsheets_pickle_base64 = response['Parameter']['Value']
+if 'GSHEETS_PICKLE_BASE64' in os.environ:
+    gsheets_pick_base64 = os.environ['GSHEETS_PICKLE_BASE64']
+else:
+    response = ssm.get_parameter(Name='GSHEETS_PICKLE_BASE64',
+                                 WithDecryption=True)
+    gsheets_pickle_base64 = response['Parameter']['Value']
+    os.environ['GSHEETS_PICKLE_BASE64'] = gsheets_pickle_base64
 gsheets_pickle = base64.b64decode(gsheets_pickle_base64)
 gsheets_creds = pickle.loads(gsheets_pickle)
+
 if gsheets_creds:
     if gsheets_creds.valid:
         print("Loaded valid GSheets credentials from SSM")
@@ -34,6 +45,7 @@ if gsheets_creds:
         gsheets_pickle_base64_bytes = base64.b64encode(gsheets_pickle)
         gsheets_pickle_base64 = gsheets_pickle_base64_bytes.decode('us-ascii')
         print("Storing refreshed GSheets credentials into SSM")
+        os.environ['GSHEETS_PICKLE_BASE64'] = gsheets_pickle_base64
         ssm.put_parameter(Name='GSHEETS_PICKLE_BASE64',
                           Type='SecureString',
                           Value=gsheets_pickle_base64,
@@ -47,6 +59,7 @@ service = build('drive',
                 'v3',
                 credentials=gsheets_creds,
                 cache_discovery=False)
+files = service.files()
 permissions = service.permissions()
 
 db = boto3.resource('dynamodb')
@@ -54,7 +67,9 @@ db = boto3.resource('dynamodb')
 turb = SimpleNamespace()
 turb.slack_client = slack_client
 turb.db = db
+turb.table = db.Table("turbot")
 turb.sheets = sheets
+turb.files = files
 turb.permissions = permissions
 
 def error(message):
@@ -74,12 +89,43 @@ def error(message):
 def turbot_lambda(event, context):
     """Top-level entry point for our lambda function.
 
+    This can handle either a REST API request from Slack, or an HTTP
+    request for teh Turbot web view
+    """
+
+    # First, determine if we've been invoked by Slack, (by presence of
+    # the X-Slack-Signature header)
+    headers = requests.structures.CaseInsensitiveDict(event['headers'])
+
+    if 'X-Slack-Signature' in headers:
+        return turbot_slack_handler(event, context)
+
+    # Otherwise, emit the Turbot web view
+    return turbot_web_view(event, context)
+
+def turbot_web_view(event, context):
+    """Turbot web view
+
+    """
+
+    return {
+        'statusCode': '200',
+        'body': 'Hello, Lambda world.',
+        'headers': {
+            'Content-Type': 'application/text',
+        },
+    }
+
+def turbot_slack_handler(event, context):
+    """Primary entry point for all Slack-initiated API requests to Turbot
+
     This function first verifies that the request actually came from
     Slack, (by means of the SLACK_SIGNING_SECRET SSM parameter), and
     refuses to do anything if not.
 
     Then this defers to either turbot_event_handler or
     turbot_slash_command to do any real work.
+
     """
 
     headers = requests.structures.CaseInsensitiveDict(event['headers'])
@@ -141,7 +187,7 @@ def turbot_interactive_or_slash_command(turb, event, context):
     """Handler for Slack interactive things (buttons, shortcuts, etc.)
     as well as slash commands.
 
-    This function simply makes a quiuck determination of what we're looking
+    This function simply makes a quick determination of what we're looking
     at and then defers to either turbot_interactive or turbot_slash_command."""
 
     # Both interactives and slash commands have a urlencoded body
@@ -186,7 +232,10 @@ def turbot_block_action(turb, payload):
     action = actions[0]
 
     atype = action['type']
-    avalue = action['value']
+    if 'value' in action:
+        avalue = action['value']
+    else:
+        avalue = '*'
 
     if (
             atype in turbot.interaction.actions