mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-23 16:40:31 +00:00
541 lines
24 KiB
Python
541 lines
24 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018-2019 OzzieIsaacs, cervinko, jkrehm, bodybybuddha, ok11,
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# andy29485, idalin, Kyosfonica, wuqi, Kennyl, lemmsh,
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# falgh1, grunjol, csitko, ytils, xybydy, trasba, vrabe,
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# ruben-herold, marblepebble, JackED42, SiphonSquirrel,
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# apetresc, nanu-c, mutschler
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import datetime
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from urllib.parse import unquote_plus
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from functools import wraps
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from flask import Blueprint, request, render_template, Response, g, make_response, abort
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from flask_login import current_user
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from sqlalchemy.sql.expression import func, text, or_, and_, true
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from sqlalchemy.exc import InvalidRequestError, OperationalError
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from werkzeug.security import check_password_hash
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from . import constants, logger, config, db, calibre_db, ub, services, get_locale, isoLanguages
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from .helper import get_download_link, get_book_cover
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from .pagination import Pagination
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from .web import render_read_books
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from .usermanagement import load_user_from_request
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from flask_babel import gettext as _
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opds = Blueprint('opds', __name__)
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log = logger.create()
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def requires_basic_auth_if_no_ano(f):
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@wraps(f)
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def decorated(*args, **kwargs):
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auth = request.authorization
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if config.config_anonbrowse != 1:
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if not auth or auth.type != 'basic' or not check_auth(auth.username, auth.password):
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return authenticate()
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return f(*args, **kwargs)
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if config.config_login_type == constants.LOGIN_LDAP and services.ldap and config.config_anonbrowse != 1:
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return services.ldap.basic_auth_required(f)
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return decorated
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class FeedObject:
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def __init__(self, rating_id, rating_name):
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self.rating_id = rating_id
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self.rating_name = rating_name
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@property
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def id(self):
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return self.rating_id
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@property
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def name(self):
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return self.rating_name
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@opds.route("/opds/")
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@opds.route("/opds")
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@requires_basic_auth_if_no_ano
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def feed_index():
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return render_xml_template('index.xml')
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@opds.route("/opds/osd")
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@requires_basic_auth_if_no_ano
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def feed_osd():
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return render_xml_template('osd.xml', lang='en-EN')
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@opds.route("/opds/search", defaults={'query': ""})
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@opds.route("/opds/search/<path:query>")
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@requires_basic_auth_if_no_ano
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def feed_cc_search(query):
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# Handle strange query from Libera Reader with + instead of spaces
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plus_query = unquote_plus(request.environ['RAW_URI'].split('/opds/search/')[1]).strip()
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return feed_search(plus_query)
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@opds.route("/opds/search", methods=["GET"])
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@requires_basic_auth_if_no_ano
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def feed_normal_search():
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return feed_search(request.args.get("query", "").strip())
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@opds.route("/opds/books")
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@requires_basic_auth_if_no_ano
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def feed_booksindex():
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return render_element_index(db.Books.sort, None, 'opds.feed_letter_books')
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@opds.route("/opds/books/letter/<book_id>")
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@requires_basic_auth_if_no_ano
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def feed_letter_books(book_id):
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off = request.args.get("offset") or 0
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letter = true() if book_id == "00" else func.upper(db.Books.sort).startswith(book_id)
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entries, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1), 0,
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db.Books,
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letter,
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[db.Books.sort],
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True, config.config_read_column)
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return render_xml_template('feed.xml', entries=entries, pagination=pagination)
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@opds.route("/opds/new")
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@requires_basic_auth_if_no_ano
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def feed_new():
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off = request.args.get("offset") or 0
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entries, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1), 0,
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db.Books, True, [db.Books.timestamp.desc()],
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True, config.config_read_column)
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return render_xml_template('feed.xml', entries=entries, pagination=pagination)
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@opds.route("/opds/discover")
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@requires_basic_auth_if_no_ano
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def feed_discover():
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query = calibre_db.generate_linked_query(config.config_read_column, db.Books)
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entries = query.filter(calibre_db.common_filters()).order_by(func.random()).limit(config.config_books_per_page)
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pagination = Pagination(1, config.config_books_per_page, int(config.config_books_per_page))
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return render_xml_template('feed.xml', entries=entries, pagination=pagination)
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@opds.route("/opds/rated")
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@requires_basic_auth_if_no_ano
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def feed_best_rated():
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off = request.args.get("offset") or 0
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entries, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1), 0,
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db.Books, db.Books.ratings.any(db.Ratings.rating > 9),
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[db.Books.timestamp.desc()],
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True, config.config_read_column)
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return render_xml_template('feed.xml', entries=entries, pagination=pagination)
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@opds.route("/opds/hot")
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@requires_basic_auth_if_no_ano
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def feed_hot():
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off = request.args.get("offset") or 0
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all_books = ub.session.query(ub.Downloads, func.count(ub.Downloads.book_id)).order_by(
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func.count(ub.Downloads.book_id).desc()).group_by(ub.Downloads.book_id)
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hot_books = all_books.offset(off).limit(config.config_books_per_page)
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entries = list()
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for book in hot_books:
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query = calibre_db.generate_linked_query(config.config_read_column, db.Books)
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download_book = query.filter(calibre_db.common_filters()).filter(
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book.Downloads.book_id == db.Books.id).first()
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if download_book:
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entries.append(download_book)
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else:
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ub.delete_download(book.Downloads.book_id)
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num_books = entries.__len__()
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pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1),
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config.config_books_per_page, num_books)
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return render_xml_template('feed.xml', entries=entries, pagination=pagination)
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@opds.route("/opds/author")
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@requires_basic_auth_if_no_ano
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def feed_authorindex():
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return render_element_index(db.Authors.sort, db.books_authors_link, 'opds.feed_letter_author')
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@opds.route("/opds/author/letter/<book_id>")
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@requires_basic_auth_if_no_ano
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def feed_letter_author(book_id):
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off = request.args.get("offset") or 0
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letter = true() if book_id == "00" else func.upper(db.Authors.sort).startswith(book_id)
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entries = calibre_db.session.query(db.Authors).join(db.books_authors_link).join(db.Books)\
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.filter(calibre_db.common_filters()).filter(letter)\
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.group_by(text('books_authors_link.author'))\
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.order_by(db.Authors.sort)
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pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
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entries.count())
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entries = entries.limit(config.config_books_per_page).offset(off).all()
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return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_author', pagination=pagination)
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@opds.route("/opds/author/<int:book_id>")
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@requires_basic_auth_if_no_ano
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def feed_author(book_id):
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return render_xml_dataset(db.Authors, book_id)
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@opds.route("/opds/publisher")
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@requires_basic_auth_if_no_ano
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def feed_publisherindex():
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off = request.args.get("offset") or 0
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entries = calibre_db.session.query(db.Publishers)\
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.join(db.books_publishers_link)\
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.join(db.Books).filter(calibre_db.common_filters())\
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.group_by(text('books_publishers_link.publisher'))\
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.order_by(db.Publishers.sort)\
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.limit(config.config_books_per_page).offset(off)
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pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
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len(calibre_db.session.query(db.Publishers).all()))
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return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_publisher', pagination=pagination)
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@opds.route("/opds/publisher/<int:book_id>")
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@requires_basic_auth_if_no_ano
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def feed_publisher(book_id):
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return render_xml_dataset(db.Publishers, book_id)
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@opds.route("/opds/category")
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@requires_basic_auth_if_no_ano
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def feed_categoryindex():
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return render_element_index(db.Tags.name, db.books_tags_link, 'opds.feed_letter_category')
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@opds.route("/opds/category/letter/<book_id>")
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@requires_basic_auth_if_no_ano
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def feed_letter_category(book_id):
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off = request.args.get("offset") or 0
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letter = true() if book_id == "00" else func.upper(db.Tags.name).startswith(book_id)
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entries = calibre_db.session.query(db.Tags)\
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.join(db.books_tags_link)\
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.join(db.Books)\
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.filter(calibre_db.common_filters()).filter(letter)\
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.group_by(text('books_tags_link.tag'))\
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.order_by(db.Tags.name)
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pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
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entries.count())
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entries = entries.offset(off).limit(config.config_books_per_page).all()
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return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_category', pagination=pagination)
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@opds.route("/opds/category/<int:book_id>")
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@requires_basic_auth_if_no_ano
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def feed_category(book_id):
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return render_xml_dataset(db.Tags, book_id)
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@opds.route("/opds/series")
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@requires_basic_auth_if_no_ano
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def feed_seriesindex():
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return render_element_index(db.Series.sort, db.books_series_link, 'opds.feed_letter_series')
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@opds.route("/opds/series/letter/<book_id>")
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@requires_basic_auth_if_no_ano
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def feed_letter_series(book_id):
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off = request.args.get("offset") or 0
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letter = true() if book_id == "00" else func.upper(db.Series.sort).startswith(book_id)
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entries = calibre_db.session.query(db.Series)\
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.join(db.books_series_link)\
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.join(db.Books)\
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.filter(calibre_db.common_filters()).filter(letter)\
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.group_by(text('books_series_link.series'))\
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.order_by(db.Series.sort)
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pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
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entries.count())
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entries = entries.offset(off).limit(config.config_books_per_page).all()
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return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_series', pagination=pagination)
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@opds.route("/opds/series/<int:book_id>")
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@requires_basic_auth_if_no_ano
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def feed_series(book_id):
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off = request.args.get("offset") or 0
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entries, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1), 0,
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db.Books,
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db.Books.series.any(db.Series.id == book_id),
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[db.Books.series_index],
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True, config.config_read_column)
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return render_xml_template('feed.xml', entries=entries, pagination=pagination)
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@opds.route("/opds/ratings")
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@requires_basic_auth_if_no_ano
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def feed_ratingindex():
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off = request.args.get("offset") or 0
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entries = calibre_db.session.query(db.Ratings, func.count('books_ratings_link.book').label('count'),
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(db.Ratings.rating / 2).label('name')) \
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.join(db.books_ratings_link)\
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.join(db.Books)\
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.filter(calibre_db.common_filters()) \
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.group_by(text('books_ratings_link.rating'))\
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.order_by(db.Ratings.rating).all()
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pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
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len(entries))
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element = list()
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for entry in entries:
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element.append(FeedObject(entry[0].id, _("{} Stars").format(entry.name)))
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return render_xml_template('feed.xml', listelements=element, folder='opds.feed_ratings', pagination=pagination)
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@opds.route("/opds/ratings/<book_id>")
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@requires_basic_auth_if_no_ano
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def feed_ratings(book_id):
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return render_xml_dataset(db.Ratings, book_id)
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@opds.route("/opds/formats")
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@requires_basic_auth_if_no_ano
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def feed_formatindex():
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off = request.args.get("offset") or 0
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entries = calibre_db.session.query(db.Data).join(db.Books)\
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.filter(calibre_db.common_filters()) \
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.group_by(db.Data.format)\
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.order_by(db.Data.format).all()
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pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
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len(entries))
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element = list()
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for entry in entries:
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element.append(FeedObject(entry.format, entry.format))
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return render_xml_template('feed.xml', listelements=element, folder='opds.feed_format', pagination=pagination)
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@opds.route("/opds/formats/<book_id>")
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@requires_basic_auth_if_no_ano
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def feed_format(book_id):
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off = request.args.get("offset") or 0
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entries, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1), 0,
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db.Books,
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db.Books.data.any(db.Data.format == book_id.upper()),
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[db.Books.timestamp.desc()],
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True, config.config_read_column)
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return render_xml_template('feed.xml', entries=entries, pagination=pagination)
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@opds.route("/opds/language")
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@opds.route("/opds/language/")
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@requires_basic_auth_if_no_ano
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def feed_languagesindex():
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off = request.args.get("offset") or 0
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if current_user.filter_language() == u"all":
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languages = calibre_db.speaking_language()
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else:
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languages = calibre_db.session.query(db.Languages).filter(
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db.Languages.lang_code == current_user.filter_language()).all()
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languages[0].name = isoLanguages.get_language_name(get_locale(), languages[0].lang_code)
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pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
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len(languages))
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return render_xml_template('feed.xml', listelements=languages, folder='opds.feed_languages', pagination=pagination)
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@opds.route("/opds/language/<int:book_id>")
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@requires_basic_auth_if_no_ano
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def feed_languages(book_id):
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off = request.args.get("offset") or 0
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entries, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1), 0,
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db.Books,
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db.Books.languages.any(db.Languages.id == book_id),
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[db.Books.timestamp.desc()],
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True, config.config_read_column)
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return render_xml_template('feed.xml', entries=entries, pagination=pagination)
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@opds.route("/opds/shelfindex")
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@requires_basic_auth_if_no_ano
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def feed_shelfindex():
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off = request.args.get("offset") or 0
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shelf = g.shelves_access
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number = len(shelf)
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pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
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number)
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return render_xml_template('feed.xml', listelements=shelf, folder='opds.feed_shelf', pagination=pagination)
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@opds.route("/opds/shelf/<int:book_id>")
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@requires_basic_auth_if_no_ano
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def feed_shelf(book_id):
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off = request.args.get("offset") or 0
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if current_user.is_anonymous:
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shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.is_public == 1,
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ub.Shelf.id == book_id).first()
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else:
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shelf = ub.session.query(ub.Shelf).filter(or_(and_(ub.Shelf.user_id == int(current_user.id),
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ub.Shelf.id == book_id),
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and_(ub.Shelf.is_public == 1,
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ub.Shelf.id == book_id))).first()
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result = list()
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# user is allowed to access shelf
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if shelf:
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result, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1),
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config.config_books_per_page,
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db.Books,
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ub.BookShelf.shelf == shelf.id,
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[ub.BookShelf.order.asc()],
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True, config.config_read_column,
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ub.BookShelf, ub.BookShelf.book_id == db.Books.id)
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# delete shelf entries where book is not existent anymore, can happen if book is deleted outside calibre-web
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wrong_entries = calibre_db.session.query(ub.BookShelf) \
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.join(db.Books, ub.BookShelf.book_id == db.Books.id, isouter=True) \
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.filter(db.Books.id == None).all()
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for entry in wrong_entries:
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log.info('Not existing book {} in {} deleted'.format(entry.book_id, shelf))
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try:
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ub.session.query(ub.BookShelf).filter(ub.BookShelf.book_id == entry.book_id).delete()
|
|
ub.session.commit()
|
|
except (OperationalError, InvalidRequestError) as e:
|
|
ub.session.rollback()
|
|
log.error_or_exception("Settings Database error: {}".format(e))
|
|
return render_xml_template('feed.xml', entries=result, pagination=pagination)
|
|
|
|
|
|
@opds.route("/opds/download/<book_id>/<book_format>/")
|
|
@requires_basic_auth_if_no_ano
|
|
def opds_download_link(book_id, book_format):
|
|
# I gave up with this: With enabled ldap login, the user doesn't get logged in, therefore it's always guest
|
|
# workaround, loading the user from the request and checking its download rights here
|
|
# in case of anonymous browsing user is None
|
|
user = load_user_from_request(request) or current_user
|
|
if not user.role_download():
|
|
return abort(403)
|
|
if "Kobo" in request.headers.get('User-Agent'):
|
|
client = "kobo"
|
|
else:
|
|
client = ""
|
|
return get_download_link(book_id, book_format.lower(), client)
|
|
|
|
|
|
@opds.route("/ajax/book/<string:uuid>/<library>")
|
|
@opds.route("/ajax/book/<string:uuid>", defaults={'library': ""})
|
|
@requires_basic_auth_if_no_ano
|
|
def get_metadata_calibre_companion(uuid, library):
|
|
entry = calibre_db.session.query(db.Books).filter(db.Books.uuid.like("%" + uuid + "%")).first()
|
|
if entry is not None:
|
|
js = render_template('json.txt', entry=entry)
|
|
response = make_response(js)
|
|
response.headers["Content-Type"] = "application/json; charset=utf-8"
|
|
return response
|
|
else:
|
|
return ""
|
|
|
|
|
|
@opds.route("/opds/thumb_240_240/<book_id>")
|
|
@opds.route("/opds/cover_240_240/<book_id>")
|
|
@opds.route("/opds/cover_90_90/<book_id>")
|
|
@opds.route("/opds/cover/<book_id>")
|
|
@requires_basic_auth_if_no_ano
|
|
def feed_get_cover(book_id):
|
|
return get_book_cover(book_id)
|
|
|
|
|
|
@opds.route("/opds/readbooks")
|
|
@requires_basic_auth_if_no_ano
|
|
def feed_read_books():
|
|
off = request.args.get("offset") or 0
|
|
result, pagination = render_read_books(int(off) / (int(config.config_books_per_page)) + 1, True, True)
|
|
return render_xml_template('feed.xml', entries=result, pagination=pagination)
|
|
|
|
|
|
@opds.route("/opds/unreadbooks")
|
|
@requires_basic_auth_if_no_ano
|
|
def feed_unread_books():
|
|
off = request.args.get("offset") or 0
|
|
result, pagination = render_read_books(int(off) / (int(config.config_books_per_page)) + 1, False, True)
|
|
return render_xml_template('feed.xml', entries=result, pagination=pagination)
|
|
|
|
|
|
def feed_search(term):
|
|
if term:
|
|
entries, __, ___ = calibre_db.get_search_results(term, config=config)
|
|
entries_count = len(entries) if len(entries) > 0 else 1
|
|
pagination = Pagination(1, entries_count, entries_count)
|
|
return render_xml_template('feed.xml', searchterm=term, entries=entries, pagination=pagination)
|
|
else:
|
|
return render_xml_template('feed.xml', searchterm="")
|
|
|
|
|
|
def check_auth(username, password):
|
|
try:
|
|
username = username.encode('windows-1252')
|
|
except UnicodeEncodeError:
|
|
username = username.encode('utf-8')
|
|
user = ub.session.query(ub.User).filter(func.lower(ub.User.name) ==
|
|
username.decode('utf-8').lower()).first()
|
|
if bool(user and check_password_hash(str(user.password), password)):
|
|
return True
|
|
else:
|
|
ip_address = request.headers.get('X-Forwarded-For', request.remote_addr)
|
|
log.warning('OPDS Login failed for user "%s" IP-address: %s', username.decode('utf-8'), ip_address)
|
|
return False
|
|
|
|
|
|
def authenticate():
|
|
return Response(
|
|
'Could not verify your access level for that URL.\n'
|
|
'You have to login with proper credentials', 401,
|
|
{'WWW-Authenticate': 'Basic realm="Login Required"'})
|
|
|
|
|
|
def render_xml_template(*args, **kwargs):
|
|
# ToDo: return time in current timezone similar to %z
|
|
currtime = datetime.datetime.now().strftime("%Y-%m-%dT%H:%M:%S+00:00")
|
|
xml = render_template(current_time=currtime, instance=config.config_calibre_web_title, *args, **kwargs)
|
|
response = make_response(xml)
|
|
response.headers["Content-Type"] = "application/atom+xml; charset=utf-8"
|
|
return response
|
|
|
|
|
|
def render_xml_dataset(data_table, book_id):
|
|
off = request.args.get("offset") or 0
|
|
entries, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1), 0,
|
|
db.Books,
|
|
getattr(db.Books, data_table.__tablename__).any(data_table.id == book_id),
|
|
[db.Books.timestamp.desc()],
|
|
True, config.config_read_column)
|
|
return render_xml_template('feed.xml', entries=entries, pagination=pagination)
|
|
|
|
|
|
def render_element_index(database_column, linked_table, folder):
|
|
shift = 0
|
|
off = int(request.args.get("offset") or 0)
|
|
entries = calibre_db.session.query(func.upper(func.substr(database_column, 1, 1)).label('id'), None, None)
|
|
# query = calibre_db.generate_linked_query(config.config_read_column, db.Books)
|
|
if linked_table is not None:
|
|
entries = entries.join(linked_table).join(db.Books)
|
|
entries = entries.filter(calibre_db.common_filters()).group_by(func.upper(func.substr(database_column, 1, 1))).all()
|
|
elements = []
|
|
if off == 0:
|
|
elements.append({'id': "00", 'name': _("All")})
|
|
shift = 1
|
|
for entry in entries[
|
|
off + shift - 1:
|
|
int(off + int(config.config_books_per_page) - shift)]:
|
|
elements.append({'id': entry.id, 'name': entry.id})
|
|
pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
|
|
len(entries) + 1)
|
|
return render_xml_template('feed.xml',
|
|
letterelements=elements,
|
|
folder=folder,
|
|
pagination=pagination)
|