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calibre-web/cps/config_sql.py

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# -*- coding: utf-8 -*-
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
# Copyright (C) 2019 OzzieIsaacs, pwr
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import division, print_function, unicode_literals
import os
import json
from sqlalchemy import exc, Column, String, Integer, SmallInteger, Boolean
from sqlalchemy.ext.declarative import declarative_base
from . import constants, cli, logger
log = logger.create()
_Base = declarative_base()
# Baseclass for representing settings in app.db with email server settings and Calibre database settings
# (application settings)
class _Settings(_Base):
__tablename__ = 'settings'
id = Column(Integer, primary_key=True)
mail_server = Column(String, default='mail.example.org')
mail_port = Column(Integer, default=25)
mail_use_ssl = Column(SmallInteger, default=0)
mail_login = Column(String, default='mail@example.com')
mail_password = Column(String, default='mypassword')
mail_from = Column(String, default='automailer <mail@example.com>')
config_calibre_dir = Column(String)
config_port = Column(Integer, default=constants.DEFAULT_PORT)
config_certfile = Column(String)
config_keyfile = Column(String)
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_authors_max = Column(Integer, default=0)
config_read_column = Column(Integer, default=0)
config_title_regex = Column(String, default=r'^(A|The|An|Der|Die|Das|Den|Ein|Eine|Einen|Dem|Des|Einem|Eines)\s+')
config_log_level = Column(SmallInteger, default=logger.DEFAULT_LOG_LEVEL)
config_access_log = Column(SmallInteger, default=0)
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)
config_default_show = Column(SmallInteger, default=6143)
config_columns_to_ignore = Column(String)
config_use_google_drive = Column(Boolean, default=False)
config_google_drive_folder = Column(String)
config_google_drive_watch_changes_response = Column(String)
config_remote_login = Column(Boolean, default=False)
config_use_goodreads = Column(Boolean, default=False)
config_goodreads_api_key = Column(String)
config_goodreads_api_secret = Column(String)
config_login_type = Column(Integer, default=0)
# config_use_ldap = Column(Boolean)
config_ldap_provider_url = Column(String)
config_ldap_dn = Column(String)
# config_use_github_oauth = Column(Boolean)
config_github_oauth_client_id = Column(String)
config_github_oauth_client_secret = Column(String)
# config_use_google_oauth = Column(Boolean)
config_google_oauth_client_id = Column(String)
config_google_oauth_client_secret = Column(String)
config_ldap_provider_url = Column(String, default='localhost')
config_ldap_port = Column(SmallInteger, default=389)
config_ldap_schema = Column(String, default='ldap')
config_ldap_serv_username = Column(String)
config_ldap_serv_password = Column(String)
config_ldap_use_ssl = Column(Boolean, default=False)
config_ldap_use_tls = Column(Boolean, default=False)
config_ldap_require_cert = Column(Boolean, default=False)
config_ldap_cert_path = Column(String)
config_ldap_dn = Column(String)
config_ldap_user_object = Column(String)
config_ldap_openldap = Column(Boolean, default=False)
config_mature_content_tags = Column(String, default='')
config_logfile = Column(String)
config_access_logfile = Column(String)
config_ebookconverter = Column(Integer, default=0)
config_converterpath = Column(String)
config_calibre = Column(String)
config_rarfile_location = Column(String)
config_theme = Column(Integer, default=0)
config_updatechannel = Column(Integer, default=constants.UPDATE_STABLE)
def __repr__(self):
return self.__class__.__name__
# Class holds all application specific settings in calibre-web
class _ConfigSQL(object):
def __init__(self, session):
self._session = session
self._settings = None
self.db_configured = None
self.config_calibre_dir = None
self.load()
def _read_from_storage(self):
if self._settings is None:
log.debug("_ConfigSQL._read_from_storage")
self._settings = self._session.query(_Settings).first()
return self._settings
def get_config_certfile(self):
if cli.certfilepath:
return cli.certfilepath
if cli.certfilepath == "":
return None
return self.config_certfile
def get_config_keyfile(self):
if cli.keyfilepath:
return cli.keyfilepath
if cli.certfilepath == "":
return None
return self.config_keyfile
def get_config_ipaddress(self):
return cli.ipadress or ""
def _has_role(self, role_flag):
return constants.has_flag(self.config_default_role, role_flag)
def role_admin(self):
return self._has_role(constants.ROLE_ADMIN)
def role_download(self):
return self._has_role(constants.ROLE_DOWNLOAD)
def role_viewer(self):
return self._has_role(constants.ROLE_VIEWER)
def role_upload(self):
return self._has_role(constants.ROLE_UPLOAD)
def role_edit(self):
return self._has_role(constants.ROLE_EDIT)
def role_passwd(self):
return self._has_role(constants.ROLE_PASSWD)
def role_edit_shelfs(self):
return self._has_role(constants.ROLE_EDIT_SHELFS)
def role_delete_books(self):
return self._has_role(constants.ROLE_DELETE_BOOKS)
def show_element_new_user(self, value):
return constants.has_flag(self.config_default_show, value)
def show_detail_random(self):
return self.show_element_new_user(constants.DETAIL_RANDOM)
def show_mature_content(self):
return self.show_element_new_user(constants.MATURE_CONTENT)
def mature_content_tags(self):
mct = self.config_mature_content_tags.split(",")
return [t.strip() for t in mct]
def get_log_level(self):
return logger.get_level_name(self.config_log_level)
def get_mail_settings(self):
return {k:v for k, v in self.__dict__.items() if k.startswith('mail_')}
def set_from_dictionary(self, dictionary, field, convertor=None, default=None):
'''Possibly updates a field of this object.
The new value, if present, is grabbed from the given dictionary, and optionally passed through a convertor.
:returns: `True` if the field has changed value
'''
new_value = dictionary.get(field, default)
if new_value is None:
# log.debug("_ConfigSQL set_from_dictionary field '%s' not found", field)
return False
if field not in self.__dict__:
log.warning("_ConfigSQL trying to set unknown field '%s' = %r", field, new_value)
return False
if convertor is not None:
new_value = convertor(new_value)
current_value = self.__dict__.get(field)
if current_value == new_value:
return False
# log.debug("_ConfigSQL set_from_dictionary '%s' = %r (was %r)", field, new_value, current_value)
setattr(self, field, new_value)
return True
def load(self):
'''Load all configuration values from the underlying storage.'''
s = self._read_from_storage() # type: _Settings
for k, v in s.__dict__.items():
if k[0] != '_':
if v is None:
# if the storage column has no value, apply the (possible) default
column = s.__class__.__dict__.get(k)
if column.default is not None:
v = column.default.arg
setattr(self, k, v)
if self.config_google_drive_watch_changes_response:
self.config_google_drive_watch_changes_response = json.loads(self.config_google_drive_watch_changes_response)
have_metadata_db = bool(self.config_calibre_dir)
if have_metadata_db:
if not self.config_use_google_drive:
db_file = os.path.join(self.config_calibre_dir, 'metadata.db')
have_metadata_db = os.path.isfile(db_file)
self.db_configured = have_metadata_db
logger.setup(self.config_logfile, self.config_log_level)
def save(self):
'''Apply all configuration values to the underlying storage.'''
s = self._read_from_storage() # type: _Settings
for k, v in self.__dict__.items():
if k[0] == '_':
continue
if hasattr(s, k): # and getattr(s, k, None) != v:
# log.debug("_Settings save '%s' = %r", k, v)
setattr(s, k, v)
log.debug("_ConfigSQL updating storage")
self._session.merge(s)
self._session.commit()
self.load()
def invalidate(self):
log.warning("invalidating configuration")
self.db_configured = False
self.config_calibre_dir = None
self.save()
def _migrate_table(session, orm_class):
changed = False
for column_name, column in orm_class.__dict__.items():
if column_name[0] != '_':
try:
session.query(column).first()
except exc.OperationalError as err:
log.debug("%s: %s", column_name, err)
column_default = "" if column.default is None else ("DEFAULT %r" % column.default.arg)
alter_table = "ALTER TABLE %s ADD COLUMN `%s` %s %s" % (orm_class.__tablename__, column_name, column.type, column_default)
log.debug(alter_table)
session.execute(alter_table)
changed = True
if changed:
session.commit()
def _migrate_database(session):
# make sure the table is created, if it does not exist
_Base.metadata.create_all(session.bind)
_migrate_table(session, _Settings)
def load_configuration(session):
_migrate_database(session)
if not session.query(_Settings).count():
session.add(_Settings())
session.commit()
return _ConfigSQL(session)
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