ticketfrei/db.py

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from bottle import redirect, request
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from functools import wraps
from inspect import Signature
import jwt
from os import urandom
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from pylibscrypt import scrypt_mcf, scrypt_mcf_check
import sqlite3
import prepare
from user import User
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class DB(object):
def __init__(self, dbfile):
self.config = prepare.get_config()
self.logger = prepare.get_logger(self.config)
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self.conn = sqlite3.connect(dbfile)
self.cur = self.conn.cursor()
self.create()
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self.secret = urandom(32)
def create(self):
# init db
self.cur.executescript('''
CREATE TABLE IF NOT EXISTS user (
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,
email TEXT,
passhash TEXT,
enabled INTEGER DEFAULT 1
);
CREATE TABLE IF NOT EXISTS 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 IF NOT EXISTS 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 IF NOT EXISTS trigger_good (
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,
user_id INTEGER,
words TEXT,
FOREIGN KEY(user_id) REFERENCES user(id)
);
CREATE TABLE IF NOT EXISTS trigger_bad (
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,
user_id INTEGER,
words TEXT,
FOREIGN KEY(user_id) REFERENCES user(id)
);
CREATE TABLE IF NOT EXISTS mastodon_instances (
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,
instance TEXT,
client_id TEXT,
client_secret TEXT
);
CREATE TABLE IF NOT EXISTS 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 IF NOT EXISTS 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 IF NOT EXISTS 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 IF NOT EXISTS seen_mails (
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,
user_id INTEGER,
mail_id INTEGER,
mail_date INTEGER,
FOREIGN KEY(user_id) REFERENCES user(id),
FOREIGN KEY(mail_id) REFERENCES mail(id)
);
CREATE TABLE IF NOT EXISTS 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)
);
''')
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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']))
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self.conn.commit()
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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('ascii'),
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password.encode('utf-8')):
return None # Wrong passphrase
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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()
def get_users(self):
self.cur.execute("SELECT id FROM user WHERE enabled=1;")
return self.cur.fetchall()
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class DBPlugin(object):
name = 'DBPlugin'
api = 2
def __init__(self, dbfile, loginpage):
self.db = DB(dbfile)
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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