ask user for authentication details

.gitignore

@@ -1 +1,2 @@
-/__pycache__/
+/__pycache__/
+config.json

main.py

@@ -1 +1,60 @@
 #!/usr/bin/env python3
+from mastodon import Mastodon
+import twitter
+
+import sqlite3, json
+
+cfg = {
+	"cw":None,
+	"mark_sensitive":True
+}
+try:
+	j = json.load(open("config.json"))
+	for key, value in j.items():
+		cfg[key] = value
+except:
+	print("No config.json, using default configuration")
+
+scopes = ["read:accounts", "write:statuses"]
+
+if "client" not in cfg:
+	print("No application info -- registering application with {}".format(cfg['site']))
+	client_id, client_secret = Mastodon.create_app("Twitter Image Poster",
+		api_base_url=cfg['site'],
+		scopes=scopes,
+		website="https://git.lynnesbian.space/lynnesbian/Twitter_Image_Poster")
+
+	cfg['client'] = {
+		"id": client_id,
+		"secret": client_secret
+	}
+
+if "secret" not in cfg:
+	print("No user credentials -- logging in to {}".format(cfg['site']))
+	client = Mastodon(client_id = cfg['client']['id'],
+		client_secret = cfg['client']['secret'],
+		api_base_url=cfg['site'])
+
+	print("Open this URL and authenticate to give Twitter Image Poster access to your bot's account: {}".format(client.auth_request_url(scopes=scopes)))
+	cfg['secret'] = client.log_in(code=input("Secret: "), scopes=scopes)
+
+if "twitter" not in cfg:
+	print("No Twitter credentials")
+	print("Please create a Twitter app by using this page: https://developer.twitter.com/en/apps/create")
+	cfg['twitter'] = {
+		"consumer_key": None,
+		"consumer_secret": None,
+		"access_token_key": None,
+		"access_token_secret": None
+	}
+	for i in cfg['twitter'].keys():
+		cfg['twitter'][i] = input("{}: ".format(i))
+
+json.dump(cfg, open("config.json", "w+"))
+
+client = Mastodon(
+	client_id=cfg['client']['id'],
+	client_secret = cfg['client']['secret'], 
+	access_token=cfg['secret'], 
+	api_base_url=cfg['site'])
+