X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=turbot_lambda%2Fturbot_lambda.py;h=d529c85ed625a1846d3dd7e72703de9ecc912676;hb=HEAD;hp=80cc4d27a26bee30c7a8fbde7c90ecb80b88f541;hpb=36ceab157e8c871e20bd93387f03c63781bf5ff4;p=turbot diff --git a/turbot_lambda/turbot_lambda.py b/turbot_lambda/turbot_lambda.py index 80cc4d2..d529c85 100644 --- a/turbot_lambda/turbot_lambda.py +++ b/turbot_lambda/turbot_lambda.py @@ -4,57 +4,73 @@ import base64 import boto3 import requests import json -import os 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 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) -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") else: gsheets_creds.refresh(Request()) gsheets_pickle = pickle.dumps(gsheets_creds) - gsheets_pickle_base64 = base64.b64encode(gsheets_pickle) + 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=str(gsheets_pickle_base64), + 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 @@ -73,12 +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']) @@ -129,17 +176,18 @@ def url_verification_handler(turb, body): } def event_callback_handler(turb, body): - type = body['event']['type'] + event = body['event'] + type = event['type'] if type in turbot.events.events: - return turbot.events.events[type](turb, body) + return turbot.events.events[type](turb, event) return error("Unknown event type: {}".format(type)) 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 @@ -165,7 +213,9 @@ def turbot_interactive(turb, payload): if type == 'block_actions': return turbot_block_action(turb, payload) if type == 'view_submission': - return turbot.actions.view_submission(turb, payload) + 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(turb, payload): @@ -182,15 +232,27 @@ 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.actions.actions - and avalue in turbot.actions.actions[atype] + atype in turbot.interaction.actions + and avalue in turbot.interaction.actions[atype] ): - return turbot.actions.actions[atype][avalue](turb, payload) + return turbot.interaction.actions[atype][avalue](turb, payload) return error("Unknown action of type/value: {}/{}".format(atype, avalue)) +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. @@ -199,9 +261,12 @@ def turbot_slash_command(turb, body): """ command = body['command'][0] - args = body['text'][0] + if 'text' in body: + args = body['text'][0] + else: + args = '' - if command in turbot.commands.commands: - return turbot.commands.commands[command](turb, body, args) + if command in turbot.interaction.commands: + return turbot.interaction.commands[command](turb, body, args) return error("Command {} not implemented".format(command))