from urllib.parse import parse_qs
from slack import WebClient
+import base64
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
-import turbot.actions
-import turbot.commands
+import turbot.interaction
import turbot.events
-import turbot.views
ssm = boto3.client('ssm')
-response = ssm.get_parameter(Name='SLACK_SIGNING_SECRET', WithDecryption=True)
-slack_signing_secret = response['Parameter']['Value']
-os.environ['SLACK_SIGNING_SECRET'] = slack_signing_secret
-
# 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)
+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")
+ else:
+ gsheets_creds.refresh(Request())
+ gsheets_pickle = pickle.dumps(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,
+ Overwrite=True)
+service = build('sheets',
+ 'v4',
+ credentials=gsheets_creds,
+ cache_discovery=False)
+sheets = service.spreadsheets()
+service = build('drive',
+ 'v3',
+ credentials=gsheets_creds,
+ cache_discovery=False)
+files = service.files()
+permissions = service.permissions()
+
+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):
"""Generate an error response for a Slack request
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'])
content_type = headers['content-type']
if (content_type == "application/json"):
- return turbot_event_handler(event, context)
+ return turbot_event_handler(turb, event, context)
if (content_type == "application/x-www-form-urlencoded"):
- return turbot_interactive_or_slash_command(event, context)
+ return turbot_interactive_or_slash_command(turb, event, context)
return error("Unknown content-type: {}".format(content_type))
-def turbot_event_handler(event, context):
+def turbot_event_handler(turb, event, context):
"""Handler for all subscribed Slack events"""
body = json.loads(event['body'])
type = body['type']
if type == 'url_verification':
- return url_verification_handler(body)
+ return url_verification_handler(turb, body)
if type == 'event_callback':
- return event_callback_handler(body)
+ return event_callback_handler(turb, body)
return error("Unknown event type: {}".format(type))
-def url_verification_handler(body):
+def url_verification_handler(turb, body):
# First, we have to properly respond to url_verification
# challenges or else Slack won't let us configure our URL as an
'body': challenge
}
-def event_callback_handler(body):
- type = body['event']['type']
+def event_callback_handler(turb, body):
+ event = body['event']
+ type = event['type']
- if type == 'app_home_opened':
- return turbot.events.app_home_opened(slack_client, body)
+ if type in turbot.events.events:
+ return turbot.events.events[type](turb, event)
return error("Unknown event type: {}".format(type))
-def turbot_interactive_or_slash_command(event, context):
+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
# The difference is that an interactive thingy has a 'payload'
# while a slash command has a 'command'
if 'payload' in body:
- return turbot_interactive(json.loads(body['payload'][0]))
+ return turbot_interactive(turb, json.loads(body['payload'][0]))
if 'command' in body:
- return turbot_slash_command(body)
+ return turbot_slash_command(turb, body)
return error("Unrecognized event (neither interactive nor slash command)")
-def turbot_interactive(payload):
+def turbot_interactive(turb, payload):
"""Handler for Slack interactive requests
These are the things that come from a user interacting with a button
type = payload['type']
if type == 'block_actions':
- return turbot_block_action(payload)
+ return turbot_block_action(turb, payload)
+ if type == 'view_submission':
+ return turbot.interaction.view_submission(turb, payload)
+ if type == 'shortcut':
+ return turbot_shortcut(turb, payload)
return error("Unrecognized interactive type: {}".format(type))
-def turbot_block_action(payload):
+def turbot_block_action(turb, payload):
"""Handler for Slack interactive block actions
Specifically, those that have a payload type of 'block_actions'"""
action = actions[0]
atype = action['type']
- avalue = action['value']
-
- if atype == 'button' and avalue == 'new_hunt':
- return turbot.actions.new_hunt(payload)
+ if 'value' in action:
+ avalue = action['value']
+ else:
+ avalue = '*'
+
+ if (
+ atype in turbot.interaction.actions
+ and avalue in turbot.interaction.actions[atype]
+ ):
+ return turbot.interaction.actions[atype][avalue](turb, payload)
return error("Unknown action of type/value: {}/{}".format(atype, avalue))
-def turbot_slash_command(body):
+def turbot_shortcut(turb, payload):
+ """Handler for Slack shortcuts
+
+ These are invoked as either global or message shortcuts by a user."""
+
+ print("In turbot_shortcut, payload is: {}".format(str(payload)))
+
+ return error("Shortcut interactions not yet implemented")
+
+def turbot_slash_command(turb, body):
"""Implementation for Slack slash commands.
This parses the request and arguments and farms out to
"""
command = body['command'][0]
- args = body['text'][0]
+ if 'text' in body:
+ args = body['text'][0]
+ else:
+ args = ''
- if (command == "/rotlambda" or command == "/rot"):
- return turbot.commands.rot(slack_client, body, args)
+ if command in turbot.interaction.commands:
+ return turbot.interaction.commands[command](turb, body, args)
return error("Command {} not implemented".format(command))