calibre-web/cps/ub.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from sqlalchemy import *
from sqlalchemy import exc
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import *
from flask_login import AnonymousUserMixin
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import sys
import os
import logging
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from werkzeug.security import generate_password_hash
from flask_babel import gettext as _
import json
import datetime
from binascii import hexlify
dbpath = os.path.join(os.path.normpath(os.getenv("CALIBRE_DBPATH", os.path.dirname(os.path.realpath(__file__)) + os.sep + ".." + os.sep)), "app.db")
engine = create_engine('sqlite:///{0}'.format(dbpath), echo=False)
Base = declarative_base()
ROLE_USER = 0
ROLE_ADMIN = 1
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ROLE_DOWNLOAD = 2
ROLE_UPLOAD = 4
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ROLE_EDIT = 8
ROLE_PASSWD = 16
ROLE_ANONYMOUS = 32
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ROLE_EDIT_SHELFS = 64
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ROLE_DELETE_BOOKS = 128
DETAIL_RANDOM = 1
SIDEBAR_LANGUAGE = 2
SIDEBAR_SERIES = 4
SIDEBAR_CATEGORY = 8
SIDEBAR_HOT = 16
SIDEBAR_RANDOM = 32
SIDEBAR_AUTHOR = 64
SIDEBAR_BEST_RATED = 128
SIDEBAR_READ_AND_UNREAD = 256
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DEFAULT_PASS = "admin123"
DEFAULT_PORT = int(os.environ.get("CALIBRE_PORT", 8083))
DEVELOPMENT = False
class UserBase:
@staticmethod
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def is_authenticated(self):
return True
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def role_admin(self):
if self.role is not None:
return True if self.role & ROLE_ADMIN == ROLE_ADMIN else False
else:
return False
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def role_download(self):
if self.role is not None:
return True if self.role & ROLE_DOWNLOAD == ROLE_DOWNLOAD else False
else:
return False
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def role_upload(self):
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return bool((self.role is not None)and(self.role & ROLE_UPLOAD == ROLE_UPLOAD))
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def role_edit(self):
if self.role is not None:
return True if self.role & ROLE_EDIT == ROLE_EDIT else False
else:
return False
def role_passwd(self):
if self.role is not None:
return True if self.role & ROLE_PASSWD == ROLE_PASSWD else False
else:
return False
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def role_anonymous(self):
if self.role is not None:
return True if self.role & ROLE_ANONYMOUS == ROLE_ANONYMOUS else False
else:
return False
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def role_edit_shelfs(self):
if self.role is not None:
return True if self.role & ROLE_EDIT_SHELFS == ROLE_EDIT_SHELFS else False
else:
return False
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def role_delete_books(self):
return bool((self.role is not None)and(self.role & ROLE_DELETE_BOOKS == ROLE_DELETE_BOOKS))
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@classmethod
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def is_active(self):
return True
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@classmethod
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def is_anonymous(self):
return False
def get_id(self):
return str(self.id)
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def filter_language(self):
return self.default_language
def show_random_books(self):
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return bool((self.sidebar_view is not None)and(self.sidebar_view & SIDEBAR_RANDOM == SIDEBAR_RANDOM))
def show_language(self):
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return bool((self.sidebar_view is not None)and(self.sidebar_view & SIDEBAR_LANGUAGE == SIDEBAR_LANGUAGE))
def show_hot_books(self):
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return bool((self.sidebar_view is not None)and(self.sidebar_view & SIDEBAR_HOT == SIDEBAR_HOT))
def show_series(self):
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return bool((self.sidebar_view is not None)and(self.sidebar_view & SIDEBAR_SERIES == SIDEBAR_SERIES))
def show_category(self):
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return bool((self.sidebar_view is not None)and(self.sidebar_view & SIDEBAR_CATEGORY == SIDEBAR_CATEGORY))
def show_author(self):
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return bool((self.sidebar_view is not None)and(self.sidebar_view & SIDEBAR_AUTHOR == SIDEBAR_AUTHOR))
def show_best_rated_books(self):
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return bool((self.sidebar_view is not None)and(self.sidebar_view & SIDEBAR_BEST_RATED == SIDEBAR_BEST_RATED))
def show_read_and_unread(self):
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return bool((self.sidebar_view is not None)and(self.sidebar_view & SIDEBAR_READ_AND_UNREAD == SIDEBAR_READ_AND_UNREAD))
def show_detail_random(self):
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return bool((self.sidebar_view is not None)and(self.sidebar_view & DETAIL_RANDOM == DETAIL_RANDOM))
def __repr__(self):
return '<User %r>' % self.nickname
# Baseclass for Users in Calibre-web, settings which are depending on certain users are stored here. It is derived from
# User Base (all access methods are declared there)
class User(UserBase, Base):
__tablename__ = 'user'
id = Column(Integer, primary_key=True)
nickname = Column(String(64), unique=True)
email = Column(String(120), unique=True, default="")
role = Column(SmallInteger, default=ROLE_USER)
password = Column(String)
kindle_mail = Column(String(120), default="")
shelf = relationship('Shelf', backref='user', lazy='dynamic')
downloads = relationship('Downloads', backref='user', lazy='dynamic')
locale = Column(String(2), default="en")
sidebar_view = Column(Integer, default=1)
default_language = Column(String(3), default="all")
mature_content = Column(Boolean, default=True)
# Class for anonymous user is derived from User base and complets overrides methods and properties for the
# anonymous user
class Anonymous(AnonymousUserMixin, UserBase):
def __init__(self):
self.loadSettings()
def loadSettings(self):
data = session.query(User).filter(User.role.op('&')(ROLE_ANONYMOUS) == ROLE_ANONYMOUS).first() # type: User
settings = session.query(Settings).first()
self.nickname = data.nickname
self.role = data.role
self.sidebar_view = data.sidebar_view
self.default_language = data.default_language
self.locale = data.locale
self.mature_content = data.mature_content
self.anon_browse = settings.config_anonbrowse
def role_admin(self):
return False
def is_active(self):
return False
def is_anonymous(self):
return self.anon_browse
# Baseclass representing Shelfs in calibre-web inapp.db
class Shelf(Base):
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__tablename__ = 'shelf'
id = Column(Integer, primary_key=True)
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name = Column(String)
is_public = Column(Integer, default=0)
user_id = Column(Integer, ForeignKey('user.id'))
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def __repr__(self):
return '<Shelf %r>' % self.name
# Baseclass representing Relationship between books and Shelfs in Calibre-web in app.db (N:M)
class BookShelf(Base):
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__tablename__ = 'book_shelf_link'
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id = Column(Integer, primary_key=True)
book_id = Column(Integer)
order = Column(Integer)
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shelf = Column(Integer, ForeignKey('shelf.id'))
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def __repr__(self):
return '<Book %r>' % self.id
class ReadBook(Base):
__tablename__ = 'book_read_link'
id = Column(Integer, primary_key=True)
book_id = Column(Integer, unique=False)
user_id = Column(Integer, ForeignKey('user.id'), unique=False)
is_read = Column(Boolean, unique=False)
class Bookmark(Base):
__tablename__ = 'bookmark'
id = Column(Integer, primary_key=True)
user_id = Column(Integer, ForeignKey('user.id'))
book_id = Column(Integer)
format = Column(String(collation='NOCASE'))
bookmark_key = Column(String)
# Baseclass representing Downloads from calibre-web in app.db
class Downloads(Base):
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__tablename__ = 'downloads'
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id = Column(Integer, primary_key=True)
book_id = Column(Integer)
user_id = Column(Integer, ForeignKey('user.id'))
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def __repr__(self):
return '<Download %r' % self.book_id
# Baseclass for representing settings in app.db with email server settings and Calibre database settings
# (application settings)
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class Settings(Base):
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__tablename__ = 'settings'
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id = Column(Integer, primary_key=True)
mail_server = Column(String)
mail_port = Column(Integer, default=25)
mail_use_ssl = Column(SmallInteger, default=0)
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mail_login = Column(String)
mail_password = Column(String)
mail_from = Column(String)
config_calibre_dir = Column(String)
config_port = Column(Integer, default=DEFAULT_PORT)
config_calibre_web_title = Column(String, default=u'Calibre-web')
config_books_per_page = Column(Integer, default=60)
config_random_books = Column(Integer, default=4)
config_title_regex = Column(String, default=u'^(A|The|An|Der|Die|Das|Den|Ein|Eine|Einen|Dem|Des|Einem|Eines)\s+')
config_log_level = Column(SmallInteger, default=logging.INFO)
config_uploading = Column(SmallInteger, default=0)
config_anonbrowse = Column(SmallInteger, default=0)
config_public_reg = Column(SmallInteger, default=0)
config_default_role = Column(SmallInteger, default=0)
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config_columns_to_ignore = Column(String)
config_use_google_drive = Column(Boolean)
config_google_drive_client_id = Column(String)
config_google_drive_client_secret = Column(String)
config_google_drive_folder = Column(String)
config_google_drive_calibre_url_base = Column(String)
config_google_drive_watch_changes_response = Column(String)
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config_columns_to_ignore = Column(String)
config_remote_login = Column(Boolean)
config_use_goodreads = Column(Boolean)
config_goodreads_api_key = Column(String)
config_goodreads_api_secret = Column(String)
config_mature_content_tags = Column(String) # type: str
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def __repr__(self):
pass
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class RemoteAuthToken(Base):
__tablename__ = 'remote_auth_token'
id = Column(Integer, primary_key=True)
auth_token = Column(String(8), unique=True)
user_id = Column(Integer, ForeignKey('user.id'))
verified = Column(Boolean, default=False)
expiration = Column(DateTime)
def __init__(self):
self.auth_token = hexlify(os.urandom(4))
self.expiration = datetime.datetime.now() + datetime.timedelta(minutes=10) # 10 min from now
def __repr__(self):
return '<Token %r>' % self.id
# Class holds all application specific settings in calibre-web
class Config:
def __init__(self):
self.config_main_dir = os.path.join(os.path.normpath(os.path.dirname(
os.path.realpath(__file__)) + os.sep + ".." + os.sep))
self.db_configured = None
self.loadSettings()
def loadSettings(self):
data = session.query(Settings).first() # type: Settings
self.config_calibre_dir = data.config_calibre_dir
self.config_port = data.config_port
self.config_calibre_web_title = data.config_calibre_web_title
self.config_books_per_page = data.config_books_per_page
self.config_random_books = data.config_random_books
self.config_title_regex = data.config_title_regex
self.config_log_level = data.config_log_level
self.config_uploading = data.config_uploading
self.config_anonbrowse = data.config_anonbrowse
self.config_public_reg = data.config_public_reg
self.config_default_role = data.config_default_role
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self.config_columns_to_ignore = data.config_columns_to_ignore
self.config_use_google_drive = data.config_use_google_drive
self.config_google_drive_client_id = data.config_google_drive_client_id
self.config_google_drive_client_secret = data.config_google_drive_client_secret
self.config_google_drive_calibre_url_base = data.config_google_drive_calibre_url_base
self.config_google_drive_folder = data.config_google_drive_folder
if data.config_google_drive_watch_changes_response:
self.config_google_drive_watch_changes_response = json.loads(data.config_google_drive_watch_changes_response)
else:
self.config_google_drive_watch_changes_response=None
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self.config_columns_to_ignore = data.config_columns_to_ignore
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self.db_configured = bool(self.config_calibre_dir is not None and
(not self.config_use_google_drive or os.path.exists(self.config_calibre_dir + '/metadata.db')))
self.config_remote_login = data.config_remote_login
self.config_use_goodreads = data.config_use_goodreads
self.config_goodreads_api_key = data.config_goodreads_api_key
self.config_goodreads_api_secret = data.config_goodreads_api_secret
self.config_mature_content_tags = data.config_mature_content_tags
@property
def get_main_dir(self):
return self.config_main_dir
def role_admin(self):
if self.config_default_role is not None:
return True if self.config_default_role & ROLE_ADMIN == ROLE_ADMIN else False
else:
return False
def role_download(self):
if self.config_default_role is not None:
return True if self.config_default_role & ROLE_DOWNLOAD == ROLE_DOWNLOAD else False
else:
return False
def role_upload(self):
if self.config_default_role is not None:
return True if self.config_default_role & ROLE_UPLOAD == ROLE_UPLOAD else False
else:
return False
def role_edit(self):
if self.config_default_role is not None:
return True if self.config_default_role & ROLE_EDIT == ROLE_EDIT else False
else:
return False
def role_passwd(self):
if self.config_default_role is not None:
return True if self.config_default_role & ROLE_PASSWD == ROLE_PASSWD else False
else:
return False
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def role_edit_shelfs(self):
if self.config_default_role is not None:
return True if self.config_default_role & ROLE_EDIT_SHELFS == ROLE_EDIT_SHELFS else False
else:
return False
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def role_delete_books(self):
return bool((self.config_default_role is not None) and
(self.config_default_role & ROLE_DELETE_BOOKS == ROLE_DELETE_BOOKS))
def mature_content_tags(self):
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if (sys.version_info > (3, 0)): #Python3 str, Python2 unicode
lstrip = str.lstrip
else:
lstrip = unicode.lstrip
return list(map(lstrip, self.config_mature_content_tags.split(",")))
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def get_Log_Level(self):
ret_value=""
if self.config_log_level == logging.INFO:
ret_value='INFO'
elif self.config_log_level == logging.DEBUG:
ret_value='DEBUG'
elif self.config_log_level == logging.WARNING:
ret_value='WARNING'
elif self.config_log_level == logging.ERROR:
ret_value='ERROR'
return ret_value
# Migrate database to current version, has to be updated after every database change. Currently migration from
# everywhere to curent should work. Migration is done by checking if relevant coloums are existing, and than adding
# rows with SQL commands
def migrate_Database():
if not engine.dialect.has_table(engine.connect(), "book_read_link"):
ReadBook.__table__.create(bind=engine)
if not engine.dialect.has_table(engine.connect(), "bookmark"):
Bookmark.__table__.create(bind=engine)
try:
session.query(exists().where(User.locale)).scalar()
session.commit()
except exc.OperationalError: # Database is not compatible, some rows are missing
conn = engine.connect()
conn.execute("ALTER TABLE user ADD column locale String(2) DEFAULT 'en'")
conn.execute("ALTER TABLE user ADD column default_language String(3) DEFAULT 'all'")
session.commit()
try:
session.query(exists().where(Settings.config_calibre_dir)).scalar()
session.commit()
except exc.OperationalError: # Database is not compatible, some rows are missing
conn = engine.connect()
conn.execute("ALTER TABLE Settings ADD column `config_calibre_dir` String")
conn.execute("ALTER TABLE Settings ADD column `config_port` INTEGER DEFAULT 8083")
conn.execute("ALTER TABLE Settings ADD column `config_calibre_web_title` String DEFAULT 'Calibre-web'")
conn.execute("ALTER TABLE Settings ADD column `config_books_per_page` INTEGER DEFAULT 60")
conn.execute("ALTER TABLE Settings ADD column `config_random_books` INTEGER DEFAULT 4")
conn.execute("ALTER TABLE Settings ADD column `config_title_regex` String DEFAULT "
"'^(A|The|An|Der|Die|Das|Den|Ein|Eine|Einen|Dem|Des|Einem|Eines)\s+'")
conn.execute("ALTER TABLE Settings ADD column `config_log_level` SmallInteger DEFAULT " + str(logging.INFO))
conn.execute("ALTER TABLE Settings ADD column `config_uploading` SmallInteger DEFAULT 0")
conn.execute("ALTER TABLE Settings ADD column `config_anonbrowse` SmallInteger DEFAULT 0")
conn.execute("ALTER TABLE Settings ADD column `config_public_reg` SmallInteger DEFAULT 0")
session.commit()
try:
session.query(exists().where(Settings.config_use_google_drive)).scalar()
except exc.OperationalError:
conn = engine.connect()
conn.execute("ALTER TABLE Settings ADD column `config_use_google_drive` INTEGER DEFAULT 0")
conn.execute("ALTER TABLE Settings ADD column `config_google_drive_client_id` String DEFAULT ''")
conn.execute("ALTER TABLE Settings ADD column `config_google_drive_client_secret` String DEFAULT ''")
conn.execute("ALTER TABLE Settings ADD column `config_google_drive_calibre_url_base` INTEGER DEFAULT 0")
conn.execute("ALTER TABLE Settings ADD column `config_google_drive_folder` String DEFAULT ''")
conn.execute("ALTER TABLE Settings ADD column `config_google_drive_watch_changes_response` String DEFAULT ''")
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try:
session.query(exists().where(Settings.config_columns_to_ignore)).scalar()
except exc.OperationalError:
conn = engine.connect()
conn.execute("ALTER TABLE Settings ADD column `config_columns_to_ignore` String DEFAULT ''")
session.commit()
try:
session.query(exists().where(Settings.config_default_role)).scalar()
session.commit()
except exc.OperationalError: # Database is not compatible, some rows are missing
conn = engine.connect()
conn.execute("ALTER TABLE Settings ADD column `config_default_role` SmallInteger DEFAULT 0")
session.commit()
try:
session.query(exists().where(BookShelf.order)).scalar()
session.commit()
except exc.OperationalError: # Database is not compatible, some rows are missing
conn = engine.connect()
conn.execute("ALTER TABLE book_shelf_link ADD column 'order' INTEGER DEFAULT 1")
session.commit()
try:
create = False
session.query(exists().where(User.sidebar_view)).scalar()
session.commit()
except exc.OperationalError: # Database is not compatible, some rows are missing
conn = engine.connect()
conn.execute("ALTER TABLE user ADD column `sidebar_view` Integer DEFAULT 1")
session.commit()
create=True
try:
if create:
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conn = engine.connect()
conn.execute("SELECT language_books FROM user")
session.commit()
except exc.OperationalError:
conn = engine.connect()
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conn.execute("UPDATE user SET 'sidebar_view' = (random_books* :side_random + language_books * :side_lang "
"+ series_books * :side_series + category_books * :side_category + hot_books * "
":side_hot + :side_autor + :detail_random)",{'side_random': SIDEBAR_RANDOM,
'side_lang': SIDEBAR_LANGUAGE, 'side_series': SIDEBAR_SERIES, 'side_category': SIDEBAR_CATEGORY,
'side_hot': SIDEBAR_HOT, 'side_autor': SIDEBAR_AUTHOR, 'detail_random': DETAIL_RANDOM})
session.commit()
try:
session.query(exists().where(User.mature_content)).scalar()
except exc.OperationalError:
conn = engine.connect()
conn.execute("ALTER TABLE user ADD column `mature_content` INTEGER DEFAULT 1")
if session.query(User).filter(User.role.op('&')(ROLE_ANONYMOUS) == ROLE_ANONYMOUS).first() is None:
create_anonymous_user()
try:
session.query(exists().where(Settings.config_remote_login)).scalar()
except exc.OperationalError:
conn = engine.connect()
conn.execute("ALTER TABLE Settings ADD column `config_remote_login` INTEGER DEFAULT 0")
try:
session.query(exists().where(Settings.config_use_goodreads)).scalar()
except exc.OperationalError:
conn = engine.connect()
conn.execute("ALTER TABLE Settings ADD column `config_use_goodreads` INTEGER DEFAULT 0")
conn.execute("ALTER TABLE Settings ADD column `config_goodreads_api_key` String DEFAULT ''")
conn.execute("ALTER TABLE Settings ADD column `config_goodreads_api_secret` String DEFAULT ''")
try:
session.query(exists().where(Settings.config_mature_content_tags)).scalar()
except exc.OperationalError:
conn = engine.connect()
conn.execute("ALTER TABLE Settings ADD column `config_mature_content_tags` String DEFAULT ''")
def clean_database():
# Remove expired remote login tokens
now = datetime.datetime.now()
session.query(RemoteAuthToken).filter(now > RemoteAuthToken.expiration).delete()
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def create_default_config():
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settings = Settings()
settings.mail_server = "mail.example.com"
settings.mail_port = 25
settings.mail_use_ssl = 0
settings.mail_login = "mail@example.com"
settings.mail_password = "mypassword"
settings.mail_from = "automailer <mail@example.com>"
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session.add(settings)
session.commit()
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def get_mail_settings():
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settings = session.query(Settings).first()
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if not settings:
return {}
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data = {
'mail_server': settings.mail_server,
'mail_port': settings.mail_port,
'mail_use_ssl': settings.mail_use_ssl,
'mail_login': settings.mail_login,
'mail_password': settings.mail_password,
'mail_from': settings.mail_from
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}
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return data
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# Generate user Guest (translated text), as anoymous user, no rights
def create_anonymous_user():
user = User()
user.nickname = _("Guest")
user.email = 'no@email'
user.role = ROLE_ANONYMOUS
user.password = generate_password_hash('1')
session.add(user)
try:
session.commit()
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except Exception:
session.rollback()
# Generate User admin with admin123 password, and access to everything
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def create_admin_user():
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user = User()
user.nickname = "admin"
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user.role = ROLE_USER + ROLE_ADMIN + ROLE_DOWNLOAD + ROLE_UPLOAD + ROLE_EDIT + ROLE_DELETE_BOOKS + ROLE_PASSWD
user.sidebar_view = DETAIL_RANDOM + SIDEBAR_LANGUAGE + SIDEBAR_SERIES + SIDEBAR_CATEGORY + SIDEBAR_HOT + \
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SIDEBAR_RANDOM + SIDEBAR_AUTHOR + SIDEBAR_BEST_RATED + SIDEBAR_READ_AND_UNREAD
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user.password = generate_password_hash(DEFAULT_PASS)
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session.add(user)
try:
session.commit()
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except Exception:
session.rollback()
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# Open session for database connection
Session = sessionmaker()
Session.configure(bind=engine)
session = Session()
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# generate database and admin and guest user, if no database is existing
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if not os.path.exists(dbpath):
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try:
Base.metadata.create_all(engine)
create_default_config()
create_admin_user()
create_anonymous_user()
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except Exception:
raise
else:
Base.metadata.create_all(engine)
migrate_Database()
clean_database()
# Generate global Settings Object accecable from every file
config = Config()