from bottle import redirect, request, response
from functools import wraps
from inspect import Signature
import jwt
from os import path, urandom
from pylibscrypt import scrypt_mcf, scrypt_mcf_check
import sqlite3
import ticketfrei
from mastodon import Mastodon
class DB(object):
def __init__(self):
dbfile = path.join(path.dirname(path.abspath(__file__)),
'ticketfrei.sqlite')
self.conn = sqlite3.connect(dbfile)
self.cur = self.conn.cursor()
self.cur.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='user';")
if self.cur.fetchall() == []:
self.create()
print("Initialized new sqlite database.")
self.secret = urandom(32)
self.config = ticketfrei.get_config()
def create(self):
# init db
self.cur.executescript('\
CREATE TABLE "user" (\
`id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,\
`email` TEXT,\
`passhash` TEXT,\
`enabled` INTEGER DEFAULT 1\
);\
CREATE TABLE "twitter_request_tokens" (\
`id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,\
`user_id` INTEGER,\
`request_token` TEXT,\
FOREIGN KEY(`user_id`) REFERENCES `user` ( `id` )\
);\
CREATE TABLE "twitter_accounts" (\
`id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,\
`user_id` INTEGER,\
`client_id` TEXT,\
`client_secret` TEXT,\
FOREIGN KEY(`user_id`) REFERENCES `user` ( `id` )\
);\
CREATE TABLE "trigger_good" (\
`id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,\
`user_id` INTEGER,\
`words` TEXT,\
FOREIGN KEY(`user_id`) REFERENCES `user` ( `id` )\
);\
CREATE TABLE "trigger_bad" (\
`id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,\
`user_id` INTEGER,\
`words` TEXT,\
FOREIGN KEY(`user_id`) REFERENCES `user` ( `id` )\
);\
CREATE TABLE "mastodon_instances" (\
`id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,\
`instance` TEXT,\
`client_id` TEXT,\
`client_secret` TEXT\
);\
CREATE TABLE "mastodon_accounts" (\
`id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,\
`user_id` INTEGER,\
`access_token` TEXT,\
`instance_id` TEXT,\
`active` INTEGER,\
FOREIGN KEY(`user_id`) REFERENCES `user` ( `id` ),\
FOREIGN KEY(`instance_id`) REFERENCES `mastodon_instances` ( `id` )\
);\
CREATE TABLE "seen_toots" (\
`id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,\
`user_id` INTEGER,\
`mastodon_accounts_id` INTEGER,\
`toot_id` TEXT,\
FOREIGN KEY(`user_id`) REFERENCES `user` ( `id` ),\
FOREIGN KEY(`mastodon_accounts_id`) REFERENCES `mastodon_accounts` ( `id` )\
);\
CREATE TABLE "mail" (\
`id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,\
`user_id` INTEGER,\
`email` TEXT,\
`active` INTEGER,\
FOREIGN KEY(`user_id`) REFERENCES `user` ( `id` )\
);\
CREATE TABLE "seen_tweets" (\
`id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,\
`user_id` INTEGER,\
`twitter_accounts_id` INTEGER,\
`tweet_id` TEXT,\
FOREIGN KEY(`user_id`) REFERENCES `user` ( `id` )\
FOREIGN KEY(`twitter_accounts_id`) REFERENCES `twitter_accounts` ( `id` )\
);\
')
def token(self, email, password):
return jwt.encode({
'email': email,
'passhash': scrypt_mcf(password.encode('utf-8')).decode('ascii')
}, self.secret).decode('ascii')
def register(self, token):
json = jwt.decode(token, self.secret)
# create user
self.cur.execute("INSERT INTO user (email, passhash) VALUES(?, ?);",
(json['email'], json['passhash']))
self.conn.commit()
return User(self, self.cur.lastrowid)
def authenticate(self, email, password):
# check email/password
self.cur.execute("SELECT id, passhash FROM user WHERE email=?;",
(email, ))
row = self.cur.fetchone()
if not row:
return None # No user with this email
if not scrypt_mcf_check(row[1].encode("utf-8"),
password.encode('utf-8')):
return None # Wrong passphrase
return User(self, row[0])
def by_email(self, email):
self.cur.execute("SELECT id FROM user WHERE email=?;", (email, ))
row = self.cur.fetchone()
if not row:
return None
return User(self, row[0])
def close(self):
self.conn.close()
class User(object):
def __init__(self, db, uid):
# set cookie
response.set_cookie('uid', uid, secret=db.secret, path='/')
self.db = db
self.uid = uid
def state(self):
return dict(foo='bar')
def save_request_token(self, token):
self.db.cur.execute("INSERT INTO twitter_request_tokens(user_id, request_token) VALUES(?, ?);",
(self.uid, token))
self.db.conn.commit()
def get_request_token(self):
self.db.cur.execute("SELECT request_token FROM twitter_request_tokens WHERE user_id = ?;", (id,))
request_token = self.db.cur.fetchone()[0]
self.db.cur.execute("DELETE FROM twitter_request_tokens WHERE user_id = ?;", (id,))
self.db.conn.commit()
return request_token
def save_twitter_token(self, access_token, access_token_secret):
self.db.cur.execute(
"INSERT INTO twitter_accounts(user_id, access_token_key, access_token_secret) VALUES(?, ?, ?);",
(id, access_token, access_token_secret))
self.db.conn.commit()
def get_mastodon_app_keys(self, instance):
self.db.cur.execute("SELECT client_id, client_secret FROM mastodon_instances WHERE instance = ?;", (instance, ))
try:
client_id, client_secret = self.db.cur.fetchone()[0]
return client_id, client_secret
except TypeError:
app_name = "ticketfrei" + str(self.db.secret)[0:4]
client_id, client_secret = Mastodon.create_app(app_name, api_base_url=instance)
self.db.cur.execute("INSERT INTO mastodon_instances(instance, client_id, client_secret) VALUES(?, ?, ?);",
(instance, client_id, client_secret))
self.db.conn.commit()
return client_id, client_secret
def save_masto_token(self, access_token, instance):
self.db.cur.execute("SELECT id FROM mastodon_instances WHERE instance = ?;", (instance, ))
instance_id = self.db.cur.fetchone()[0]
self.db.cur.execute("INSERT INTO mastodon_accounts(user_id, access_token, mastodon_instances_id, active) "
"VALUES(?, ?, ?, ?);", (self.uid, access_token, instance_id, 1))
self.db.commit()
class DBPlugin(object):
name = 'DBPlugin'
api = 2
def __init__(self, loginpage):
self.db = DB()
self.loginpage = loginpage
def close(self):
self.db.close()
def apply(self, callback, route):
uservar = route.config.get('user', None)
dbvar = route.config.get('db', None)
signature = Signature.from_callable(route.callback)
@wraps(callback)
def wrapper(*args, **kwargs):
if uservar and uservar in signature.parameters:
uid = request.get_cookie('uid', secret=self.db.secret)
if uid is None:
return redirect(self.loginpage)
kwargs[uservar] = User(self.db, uid)
if dbvar and dbvar in signature.parameters:
kwargs[dbvar] = self.db
return callback(*args, **kwargs)
return wrapper