send status to users when they are added to a bot's learning list

app/pages/bot/accounts_add.py

@@ -2,7 +2,7 @@ from flask import session, render_template, request, redirect
 import requests
 from mastodon import Mastodon
 
-def bot_accounts_add(mysql):
+def bot_accounts_add(mysql, cfg):
 	if request.method == 'POST':
 		if session['step'] == 1:
 			if request.form['account'] == session['bot']:
@@ -79,6 +79,27 @@ def bot_accounts_add(mysql):
 				c.execute("INSERT INTO `bot_learned_accounts` (`bot_id`, `fedi_id`) VALUES (%s, %s)", (session['bot'], request.form['account']))
 				c.close()
 				mysql.connection.commit()
+
+				if 'account' in cfg:
+					client = Mastodon(
+						cfg['account']['client_id'],
+						cfg['account']['client_secret'],
+						cfg['account']['secret'],
+						"https://{}".format(cfg['account']['instance'])
+					)
+					status = """
+Hi, {user}. Someone has created a FediBooks bot that learns from your posts. The bot's username is {bot}. Your public posts are now being downloaded and stored for use by this bot.
+If you do not want {bot} to learn from your posts, click here: {overview}
+If you want to ensure that nobody can use {home} to create bots that use your post history, click here: {blacklist}
+					""".format(
+						user = request.form['account'],
+						bot = session['bot'].replace("@", "@\u200B"),
+						overview = "{}/overview/{}".format(cfg['base_uri'], request.form['account']),
+						blacklist = "{}/blacklist".format(cfg['base_uri']),
+						home = cfg['base_uri']
+					)
+
+					client.status_post(status)
 				return redirect("/bot/accounts/{}".format(session['bot']), 303)
 			else:
 				error = "Couldn't access ActivityPub outbox. {} may require authenticated fetches, which FediBooks doesn't support yet.".format(instance)

app/setup.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+
+from mastodon import Mastodon
+import json
+
+cfg = json.load(open("config.json"))
+
+scopes = ["write:statuses"]
+
+print("FediBooks needs access to an account to notify users when they've been added to bots.")
+print("What instance would you like FediBooks' account to be on?")
+instance = input("https://")
+client_id, client_secret = Mastodon.create_app(
+	"FediBooks",
+	api_base_url="https://{}".format(instance),
+	scopes=scopes,
+	website=cfg['base_uri']
+)
+
+client = Mastodon(
+	client_id=client_id,
+	client_secret=client_secret,
+	api_base_url="https://{}".format(instance)
+)
+
+url = client.auth_request_url(
+	client_id=client_id,
+	scopes=scopes
+)
+print("Create an account on {}, then click this link to give FediBooks access to the account: {}".format(instance, url))
+print("Authorise FediBooks to access the account, then paste the code below.")
+code = input("Code: ")
+
+print("Authenticating...")
+
+secret = client.log_in(
+	code = code,
+	scopes=scopes
+)
+client.status_post("FediBooks has successfully been set up to use this account.")
+
+cfg['account'] = {
+	'client_id': client_id,
+	'client_secret': client_secret,
+	'secret': secret,
+	'instance': instance
+}
+
+json.dump(cfg, open('config.json', 'w'))
+
+print("Done! Thanks for using FediBooks!")

app/webui.py

@@ -127,7 +127,7 @@ def bot_accounts(id):
 
 @app.route("/bot/accounts/add", methods = ['GET', 'POST'])
 def render_bot_accounts_add():
-	return bot_accounts_add(mysql)
+	return bot_accounts_add(mysql, cfg)
 
 @app.route("/bot/accounts/toggle/<id>")
 def bot_accounts_toggle(id):