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mirror of https://github.com/janeczku/calibre-web synced 2024-10-31 15:20:28 +00:00
calibre-web/cps/config_sql.py
2022-02-06 14:22:55 +01:00

459 lines
17 KiB
Python

# -*- 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/>.
import os
import sys
import json
from sqlalchemy import Column, String, Integer, SmallInteger, Boolean, BLOB, JSON
from sqlalchemy.exc import OperationalError
from sqlalchemy.sql.expression import text
try:
# Compatibility with sqlalchemy 2.0
from sqlalchemy.orm import declarative_base
except ImportError:
from sqlalchemy.ext.declarative import declarative_base
from . import constants, cli, logger
log = logger.create()
_Base = declarative_base()
class _Flask_Settings(_Base):
__tablename__ = 'flask_settings'
id = Column(Integer, primary_key=True)
flask_session_key = Column(BLOB, default=b"")
def __init__(self, key):
self.flask_session_key = key
# 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=constants.DEFAULT_MAIL_SERVER)
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>')
mail_size = Column(Integer, default=25*1024*1024)
mail_server_type = Column(SmallInteger, default=0)
mail_gmail_token = Column(JSON, default={})
config_calibre_dir = Column(String)
config_calibre_uuid = Column(String)
config_port = Column(Integer, default=constants.DEFAULT_PORT)
config_external_port = Column(Integer, default=constants.DEFAULT_PORT)
config_certfile = Column(String)
config_keyfile = Column(String)
config_trustedhosts = Column(String,default='')
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_mature_content_tags = Column(String, default='')
config_theme = Column(Integer, default=0)
config_log_level = Column(SmallInteger, default=logger.DEFAULT_LOG_LEVEL)
config_logfile = Column(String)
config_access_log = Column(SmallInteger, default=0)
config_access_logfile = Column(String)
config_uploading = Column(SmallInteger, default=0)
config_anonbrowse = Column(SmallInteger, default=0)
config_public_reg = Column(SmallInteger, default=0)
config_remote_login = Column(Boolean, default=False)
config_kobo_sync = Column(Boolean, default=False)
config_default_role = Column(SmallInteger, default=0)
config_default_show = Column(SmallInteger, default=constants.ADMIN_USER_SIDEBAR)
config_default_language = Column(String(3), default="all")
config_default_locale = Column(String(2), default="en")
config_columns_to_ignore = Column(String)
config_denied_tags = Column(String, default="")
config_allowed_tags = Column(String, default="")
config_restricted_column = Column(SmallInteger, default=0)
config_denied_column_value = Column(String, default="")
config_allowed_column_value = Column(String, default="")
config_use_google_drive = Column(Boolean, default=False)
config_google_drive_folder = Column(String)
config_google_drive_watch_changes_response = Column(JSON, default={})
config_use_goodreads = Column(Boolean, default=False)
config_goodreads_api_key = Column(String)
config_goodreads_api_secret = Column(String)
config_register_email = Column(Boolean, default=False)
config_login_type = Column(Integer, default=0)
config_kobo_proxy = Column(Boolean, default=False)
config_ldap_provider_url = Column(String, default='example.org')
config_ldap_port = Column(SmallInteger, default=389)
config_ldap_authentication = Column(SmallInteger, default=constants.LDAP_AUTH_SIMPLE)
config_ldap_serv_username = Column(String, default='cn=admin,dc=example,dc=org')
config_ldap_serv_password = Column(String, default="")
config_ldap_encryption = Column(SmallInteger, default=0)
config_ldap_cacert_path = Column(String, default="")
config_ldap_cert_path = Column(String, default="")
config_ldap_key_path = Column(String, default="")
config_ldap_dn = Column(String, default='dc=example,dc=org')
config_ldap_user_object = Column(String, default='uid=%s')
config_ldap_member_user_object = Column(String, default='') #
config_ldap_openldap = Column(Boolean, default=True)
config_ldap_group_object_filter = Column(String, default='(&(objectclass=posixGroup)(cn=%s))')
config_ldap_group_members_field = Column(String, default='memberUid')
config_ldap_group_name = Column(String, default='calibreweb')
config_kepubifypath = Column(String, default=None)
config_converterpath = Column(String, default=None)
config_calibre = Column(String)
config_rarfile_location = Column(String, default=None)
config_upload_formats = Column(String, default=','.join(constants.EXTENSIONS_UPLOAD))
config_unicode_filename =Column(Boolean, default=False)
config_updatechannel = Column(Integer, default=constants.UPDATE_STABLE)
config_reverse_proxy_login_header_name = Column(String)
config_allow_reverse_proxy_header_login = Column(Boolean, default=False)
def __repr__(self):
return self.__class__.__name__
# Class holds all application specific settings in calibre-web
class _ConfigSQL(object):
# pylint: disable=no-member
def __init__(self, session):
self._session = session
self._settings = None
self.db_configured = None
self.config_calibre_dir = None
self.load()
change = False
if self.config_converterpath == None: # pylint: disable=access-member-before-definition
change = True
self.config_converterpath = autodetect_calibre_binary()
if self.config_kepubifypath == None: # pylint: disable=access-member-before-definition
change = True
self.config_kepubifypath = autodetect_kepubify_binary()
if self.config_rarfile_location == None: # pylint: disable=access-member-before-definition
change = True
self.config_rarfile_location = autodetect_unrar_binary()
if change:
self.save()
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
@staticmethod
def get_config_ipaddress():
return cli.ip_address 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 list_denied_tags(self):
mct = self.config_denied_tags or ""
return [t.strip() for t in mct.split(",")]
def list_allowed_tags(self):
mct = self.config_allowed_tags or ""
return [t.strip() for t in mct.split(",")]
def list_denied_column_values(self):
mct = self.config_denied_column_value or ""
return [t.strip() for t in mct.split(",")]
def list_allowed_column_values(self):
mct = self.config_allowed_column_value or ""
return [t.strip() for t in mct.split(",")]
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 get_mail_server_configured(self):
return bool((self.mail_server != constants.DEFAULT_MAIL_SERVER and self.mail_server_type == 0)
or (self.mail_gmail_token != {} and self.mail_server_type == 1))
def set_from_dictionary(self, dictionary, field, convertor=None, default=None, encode=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:
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:
if encode:
new_value = convertor(new_value.encode(encode))
else:
new_value = convertor(new_value)
current_value = self.__dict__.get(field)
if current_value == new_value:
return False
setattr(self, field, new_value)
return True
def toDict(self):
storage = {}
for k, v in self.__dict__.items():
if k[0] != '_' and not k.endswith("password") and not k.endswith("secret"):
storage[k] = v
return storage
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)
have_metadata_db = bool(self.config_calibre_dir)
if have_metadata_db:
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
constants.EXTENSIONS_UPLOAD = [x.lstrip().rstrip().lower() for x in self.config_upload_formats.split(',')]
if os.environ.get('FLASK_DEBUG'):
logfile = logger.setup(logger.LOG_TO_STDOUT, logger.logging.DEBUG)
else:
# pylint: disable=access-member-before-definition
logfile = logger.setup(self.config_logfile, self.config_log_level)
if logfile != self.config_logfile:
log.warning("Log path %s not valid, falling back to default", self.config_logfile)
self.config_logfile = logfile
self._session.merge(s)
try:
self._session.commit()
except OperationalError as e:
log.error('Database error: %s', e)
self._session.rollback()
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):
setattr(s, k, v)
log.debug("_ConfigSQL updating storage")
self._session.merge(s)
try:
self._session.commit()
except OperationalError as e:
log.error('Database error: %s', e)
self._session.rollback()
self.load()
def invalidate(self, error=None):
if error:
log.error(error)
log.warning("invalidating configuration")
self.db_configured = False
# self.config_calibre_dir = None
self.save()
def store_calibre_uuid(self, calibre_db, Library_table):
try:
calibre_uuid = calibre_db.session.query(Library_table).one_or_none()
if self.config_calibre_uuid != calibre_uuid.uuid:
self.config_calibre_uuid = calibre_uuid.uuid
self.save()
except AttributeError:
pass
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 OperationalError as err:
log.debug("%s: %s", column_name, err.args[0])
if column.default is None:
column_default = ""
else:
if isinstance(column.default.arg, bool):
column_default = "DEFAULT {}".format(int(column.default.arg))
else:
column_default = "DEFAULT `{}`".format(column.default.arg)
if isinstance(column.type, JSON):
column_type = "JSON"
else:
column_type = column.type
alter_table = text("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
except json.decoder.JSONDecodeError as e:
log.error("Database corrupt column: {}".format(column_name))
log.debug(e)
if changed:
try:
session.commit()
except OperationalError:
session.rollback()
def autodetect_calibre_binary():
if sys.platform == "win32":
calibre_path = ["C:\\program files\\calibre\\ebook-convert.exe",
"C:\\program files(x86)\\calibre\\ebook-convert.exe",
"C:\\program files(x86)\\calibre2\\ebook-convert.exe",
"C:\\program files\\calibre2\\ebook-convert.exe"]
else:
calibre_path = ["/opt/calibre/ebook-convert"]
for element in calibre_path:
if os.path.isfile(element) and os.access(element, os.X_OK):
return element
return ""
def autodetect_unrar_binary():
if sys.platform == "win32":
calibre_path = ["C:\\program files\\WinRar\\unRAR.exe",
"C:\\program files(x86)\\WinRar\\unRAR.exe"]
else:
calibre_path = ["/usr/bin/unrar"]
for element in calibre_path:
if os.path.isfile(element) and os.access(element, os.X_OK):
return element
return ""
def autodetect_kepubify_binary():
if sys.platform == "win32":
calibre_path = ["C:\\program files\\kepubify\\kepubify-windows-64Bit.exe",
"C:\\program files(x86)\\kepubify\\kepubify-windows-64Bit.exe"]
else:
calibre_path = ["/opt/kepubify/kepubify-linux-64bit", "/opt/kepubify/kepubify-linux-32bit"]
for element in calibre_path:
if os.path.isfile(element) and os.access(element, os.X_OK):
return element
return ""
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)
_migrate_table(session, _Flask_Settings)
def load_configuration(session):
_migrate_database(session)
if not session.query(_Settings).count():
session.add(_Settings())
session.commit()
conf = _ConfigSQL(session)
return conf
def get_flask_session_key(_session):
flask_settings = _session.query(_Flask_Settings).one_or_none()
if flask_settings == None:
flask_settings = _Flask_Settings(os.urandom(32))
_session.add(flask_settings)
_session.commit()
return flask_settings.flask_session_key