from urllib.parse import parse_qs
-from turbot.rot import rot
from slack import WebClient
import boto3
import requests
-import hashlib
-import hmac
import json
+import os
+from turbot.rot import rot
+import turbot.views
+import turbot.actions
ssm = boto3.client('ssm')
response = ssm.get_parameter(Name='SLACK_SIGNING_SECRET', WithDecryption=True)
-slack_signing_secret = bytes(response['Parameter']['Value'], 'utf-8')
+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']
'body': ''
}
-def slack_is_valid_request(slack_signature, timestamp, body):
- """Returns True if the timestamp and body correspond to signature.
-
- This implements the Slack signature verification using the slack
- signing secret (obtained via an SSM parameter in code above)."""
-
- content = "v0:{}:{}".format(timestamp,body).encode('utf-8')
-
- signature = 'v0=' + hmac.new(slack_signing_secret,
- content,
- hashlib.sha256).hexdigest()
-
- if hmac.compare_digest(signature, slack_signature):
- return True
- else:
- print("Bad signature: {} != {}".format(signature, slack_signature))
- return False
-
def turbot_lambda(event, context):
"""Top-level entry point for our lambda function.
return error("Unknown event type: {}".format(type))
def app_home_opened_handler(body):
- slack_client.views_publish(user_id=body['event']['user'],
- view={
- "type": "home",
- "blocks": [
- {
- "type": "section",
- "text": {
- "type": "mrkdwn",
- "text": "A simple stack of blocks for the simple sample Block Kit Home tab."
- }
- },
- {
- "type": "actions",
- "elements": [
- {
- "type": "button",
- "text": {
- "type": "plain_text",
- "text": "Action A",
- "emoji": True
- }
- },
- {
- "type": "button",
- "text": {
- "type": "plain_text",
- "text": "Action B",
- "emoji": True
- }
- }
- ]
- }
- ]
- })
+ user_id = body['event']['user']
+ view = turbot.views.home(user_id, body)
+ slack_client.views_publish(user_id=user_id, view=view)
return "OK"
def turbot_interactive_or_slash_command(event, context):
a shortcut or some other interactive element that our app has made
available to the user."""
- print("In turbot_interactive, payload is: {}".format(str(payload)))
+ type = payload['type']
+
+ if type == 'block_actions':
+ return turbot_block_action(payload)
+ return error("Unrecognized interactive type: {}".format(type))
+
+def turbot_block_action(payload):
+ """Handler for Slack interactive block actions
+
+ Specifically, those that have a payload type of 'block_actions'"""
+
+ actions = payload['actions']
+
+ if len(actions) != 1:
+ return error("No support for multiple actions ({}) in a single request"
+ .format(len(actions)))
+
+ action = actions[0]
+
+ atype = action['type']
+ avalue = action['value']
+
+ if atype == 'button' and avalue == 'new_hunt':
+ return turbot.actions.new_hunt(payload)
+ return error("Unknown action of type/value: {}/{}".format(atype, avalue))
def turbot_slash_command(body):
"""Implementation for Slack slash commands.