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calibre-web/cps/kobo.py
Ozzieisaacs 0955c6d6fb Update Kobo
2020-01-26 14:42:53 +01:00

550 lines
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
# Copyright (C) 2018-2019 shavitmichael, OzzieIsaacs
#
# 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 sys
import uuid
from datetime import datetime
from time import gmtime, strftime
try:
from urllib import unquote
except ImportError:
from urllib.parse import unquote
from flask import (
Blueprint,
request,
make_response,
jsonify,
current_app,
url_for,
redirect,
)
from flask_login import login_required
from werkzeug.datastructures import Headers
from sqlalchemy import func
import requests
from . import config, logger, kobo_auth, db, helper
from .services import SyncToken as SyncToken
from .web import download_required
KOBO_FORMATS = {"KEPUB": ["KEPUB"], "EPUB": ["KEPUB"]}
KOBO_STOREAPI_URL = "https://storeapi.kobo.com"
kobo = Blueprint("kobo", __name__, url_prefix="/kobo/<auth_token>")
kobo_auth.disable_failed_auth_redirect_for_blueprint(kobo)
kobo_auth.register_url_value_preprocessor(kobo)
log = logger.create()
def get_store_url_for_current_request():
# Programmatically modify the current url to point to the official Kobo store
base, sep, request_path_with_auth_token = request.full_path.rpartition("/kobo/")
auth_token, sep, request_path = request_path_with_auth_token.rstrip("?").partition(
"/"
)
return KOBO_STOREAPI_URL + "/" + request_path
CONNECTION_SPECIFIC_HEADERS = [
"connection",
"content-encoding",
"content-length",
"transfer-encoding",
]
def redirect_or_proxy_request():
if request.method == "GET":
return redirect(get_store_url_for_current_request(), 307)
if request.method == "DELETE":
log.info('Delete Book')
return make_response(jsonify({}))
else:
# The Kobo device turns other request types into GET requests on redirects, so we instead proxy to the Kobo store ourselves.
outgoing_headers = Headers(request.headers)
outgoing_headers.remove("Host")
store_response = requests.request(
method=request.method,
url=get_store_url_for_current_request(),
headers=outgoing_headers,
data=request.get_data(),
allow_redirects=False,
)
response_headers = store_response.headers
for header_key in CONNECTION_SPECIFIC_HEADERS:
response_headers.pop(header_key, default=None)
return make_response(
store_response.content, store_response.status_code, response_headers.items()
)
@kobo.route("/v1/library/sync")
@login_required
@download_required
def HandleSyncRequest():
sync_token = SyncToken.SyncToken.from_headers(request.headers)
log.info("Kobo library sync request received.")
# TODO: Limit the number of books return per sync call, and rely on the sync-continuatation header
# instead so that the device triggers another sync.
new_books_last_modified = sync_token.books_last_modified
new_books_last_created = sync_token.books_last_created
entitlements = []
# We reload the book database so that the user get's a fresh view of the library
# in case of external changes (e.g: adding a book through Calibre).
db.reconnect_db(config)
# sqlite gives unexpected results when performing the last_modified comparison without the datetime cast.
# It looks like it's treating the db.Books.last_modified field as a string and may fail
# the comparison because of the +00:00 suffix.
changed_entries = (
db.session.query(db.Books)
.join(db.Data)
.filter(func.datetime(db.Books.last_modified) != sync_token.books_last_modified)
.filter(db.Data.format.in_(KOBO_FORMATS))
.all()
)
for book in changed_entries:
entitlement = {
"BookEntitlement": create_book_entitlement(book),
"BookMetadata": get_metadata(book),
"ReadingState": reading_state(book),
}
if book.timestamp > sync_token.books_last_created:
entitlements.append({"NewEntitlement": entitlement})
else:
entitlements.append({"ChangedEntitlement": entitlement})
new_books_last_modified = max(
book.last_modified, sync_token.books_last_modified
)
new_books_last_created = max(book.timestamp, sync_token.books_last_modified)
sync_token.books_last_created = new_books_last_created
sync_token.books_last_modified = new_books_last_modified
# Missing feature: Detect server-side book deletions.
return generate_sync_response(request, sync_token, entitlements)
def generate_sync_response(request, sync_token, entitlements):
# We first merge in sync results from the official Kobo store.
#outgoing_headers = Headers(request.headers)
#outgoing_headers.remove("Host")
#sync_token.set_kobo_store_header(outgoing_headers)
#store_response = requests.request(
# method=request.method,
# url=get_store_url_for_current_request(),
# headers=outgoing_headers,
# data=request.get_data(),
#)
#store_entitlements = store_response.json()
#entitlements += store_entitlements
#sync_token.merge_from_store_response(store_response)
response = make_response(jsonify(entitlements))
# sync_token.to_headers(request.headers)
# sync_token.to_headers(response.headers)
'''try:
# These headers could probably use some more investigation.
response.headers["x-kobo-sync"] = store_response.headers["x-kobo-sync"]
response.headers["x-kobo-sync-mode"] = store_response.headers[
"x-kobo-sync-mode"
]
response.headers["x-kobo-recent-reads"] = store_response.headers[
"x-kobo-recent-reads"
]
except KeyError:
pass'''
return response
@kobo.route("/v1/library/<book_uuid>/metadata")
@login_required
@download_required
def HandleMetadataRequest(book_uuid):
log.info("Kobo library metadata request received for book %s" % book_uuid)
book = db.session.query(db.Books).filter(db.Books.uuid == book_uuid).first()
if not book or not book.data:
log.info(u"Book %s not found in database", book_uuid)
return redirect_or_proxy_request()
metadata = get_metadata(book)
return jsonify([metadata])
def get_download_url_for_book(book, book_format):
if not current_app.wsgi_app.is_proxied:
log.debug('Received unproxied request, changed request port to server port')
return "{url_scheme}://{url_base}:{url_port}/download/{book_id}/{book_format}".format(
url_scheme=request.environ['wsgi.url_scheme'],
url_base=request.environ['SERVER_NAME'],
url_port=config.config_port,
book_id=book.id,
book_format=book_format.lower()
)
else:
return url_for(
"web.download_link",
book_id=book.id,
book_format=book_format.lower(),
_external=True,
)
def create_book_entitlement(book):
book_uuid = book.uuid
return {
"Accessibility": "Full",
"ActivePeriod": {"From": current_time(),},
"Created": book.timestamp,
"CrossRevisionId": book_uuid,
"Id": book_uuid,
"IsHiddenFromArchive": False,
"IsLocked": False,
# Setting this to true removes from the device.
"IsRemoved": False,
"LastModified": book.last_modified,
"OriginCategory": "Imported",
"RevisionId": book_uuid,
"Status": "Active",
}
def current_time():
return strftime("%Y-%m-%dT%H:%M:%SZ", gmtime())
def get_description(book):
if not book.comments:
return None
return book.comments[0].text
# TODO handle multiple authors
def get_author(book):
if not book.authors:
return None
return book.authors[0].name
def get_publisher(book):
if not book.publishers:
return None
return book.publishers[0].name
def get_series(book):
if not book.series:
return None
return book.series[0].name
def get_metadata(book):
download_urls = []
for book_data in book.data:
if book_data.format not in KOBO_FORMATS:
continue
for kobo_format in KOBO_FORMATS[book_data.format]:
# log.debug('Id: %s, Format: %s' % (book.id, kobo_format))
download_urls.append(
{
"Format": kobo_format,
"Size": book_data.uncompressed_size,
"Url": get_download_url_for_book(book, book_data.format),
# The Kobo forma accepts platforms: (Generic, Android)
"Platform": "Generic",
# "DrmType": "None", # Not required
}
)
book_uuid = book.uuid
metadata = {
"Categories": ["00000000-0000-0000-0000-000000000001",],
"Contributors": get_author(book),
"CoverImageId": book_uuid,
"CrossRevisionId": book_uuid,
"CurrentDisplayPrice": {"CurrencyCode": "USD", "TotalAmount": 0},
"CurrentLoveDisplayPrice": {"TotalAmount": 0},
"Description": get_description(book),
"DownloadUrls": download_urls,
"EntitlementId": book_uuid,
"ExternalIds": [],
"Genre": "00000000-0000-0000-0000-000000000001",
"IsEligibleForKoboLove": False,
"IsInternetArchive": False,
"IsPreOrder": False,
"IsSocialEnabled": True,
"Language": "en",
"PhoneticPronunciations": {},
"PublicationDate": book.pubdate,
"Publisher": {"Imprint": "", "Name": get_publisher(book),},
"RevisionId": book_uuid,
"Title": book.title,
"WorkId": book_uuid,
}
if get_series(book):
if sys.version_info < (3, 0):
name = get_series(book).encode("utf-8")
else:
name = get_series(book)
metadata["Series"] = {
"Name": get_series(book),
"Number": book.series_index,
"NumberFloat": float(book.series_index),
# Get a deterministic id based on the series name.
"Id": uuid.uuid3(uuid.NAMESPACE_DNS, name),
}
return metadata
def reading_state(book):
# TODO: Implement
reading_state = {
# "StatusInfo": {
# "LastModified": get_single_cc_value(book, "lastreadtimestamp"),
# "Status": get_single_cc_value(book, "reading_status"),
# }
# TODO: CurrentBookmark, Location
}
return reading_state
@kobo.route("/<book_uuid>/image.jpg")
@login_required
def HandleCoverImageRequest(book_uuid):
log.debug("Cover request received for book %s" % book_uuid)
book_cover = helper.get_book_cover_with_uuid(
book_uuid, use_generic_cover_on_failure=False
)
if not book_cover:
return redirect(get_store_url_for_current_request(), 307)
return book_cover
@kobo.route("")
def TopLevelEndpoint():
return make_response(jsonify({}))
# TODO: Implement the following routes
@kobo.route("/v1/library/<dummy>", methods=["DELETE", "GET"])
@kobo.route("/v1/library/<book_uuid>/state", methods=["PUT"])
@kobo.route("/v1/library/tags", methods=["POST"])
@kobo.route("/v1/library/tags/<shelf_name>", methods=["POST"])
@kobo.route("/v1/library/tags/<tag_id>", methods=["DELETE"])
def HandleUnimplementedRequest(dummy=None, book_uuid=None, shelf_name=None, tag_id=None):
log.debug("Alternative Request received:")
return redirect_or_proxy_request()
# TODO: Implement the following routes
@kobo.route("/v1/user/loyalty/<dummy>", methods=["GET", "POST"])
@kobo.route("/v1/user/profile", methods=["GET", "POST"])
@kobo.route("/v1/user/wishlist", methods=["GET", "POST"])
@kobo.route("/v1/user/recommendations", methods=["GET", "POST"])
@kobo.route("/v1/analytics/<dummy>", methods=["GET", "POST"])
def HandleUserRequest(dummy=None):
log.debug("Unimplemented Request received: %s", request.base_url)
return make_response(jsonify({}))
# return redirect_or_proxy_request()
@kobo.app_errorhandler(404)
def handle_404(err):
# This handler acts as a catch-all for endpoints that we don't have an interest in
# implementing (e.g: v1/analytics/gettests, v1/user/recommendations, etc)
log.debug("Unknown Request received: %s", request.base_url)
return redirect_or_proxy_request()
'''@kobo.route("/v1/initialization")
@login_required
def HandleInitRequest():
outgoing_headers = Headers(request.headers)
outgoing_headers.remove("Host")
store_response = requests.request(
method=request.method,
url=get_store_url_for_current_request(),
headers=outgoing_headers,
data=request.get_data(),
)
store_response_json = store_response.json()
if "Resources" in store_response_json:
kobo_resources = store_response_json["Resources"]
calibre_web_url = url_for("web.index", _external=True).strip("/")
kobo_resources["image_host"] = calibre_web_url
kobo_resources["image_url_quality_template"] = unquote(url_for("kobo.HandleCoverImageRequest", _external=True,
auth_token = kobo_auth.get_auth_token(),
book_uuid="{ImageId}"))
kobo_resources["image_url_template"] = unquote(url_for("kobo.HandleCoverImageRequest", _external=True,
auth_token = kobo_auth.get_auth_token(),
book_uuid="{ImageId}"))
return make_response(store_response_json, store_response.status_code)
'''
@kobo.route("/v1/initialization")
def HandleInitRequest():
resources = NATIVE_KOBO_RESOURCES(
calibre_web_url=url_for("web.index", _external=True).strip("/")
)
response = make_response(jsonify({"Resources": resources}))
response.headers["x-kobo-apitoken"] = "e30="
return response
def NATIVE_KOBO_RESOURCES(calibre_web_url):
return {
"account_page": "https://secure.kobobooks.com/profile",
"account_page_rakuten": "https://my.rakuten.co.jp/",
"add_entitlement": "https://storeapi.kobo.com/v1/library/{RevisionIds}",
"affiliaterequest": "https://storeapi.kobo.com/v1/affiliate",
"audiobook_subscription_orange_deal_inclusion_url": "https://authorize.kobo.com/inclusion",
"authorproduct_recommendations": "https://storeapi.kobo.com/v1/products/books/authors/recommendations",
"autocomplete": "https://storeapi.kobo.com/v1/products/autocomplete",
"blackstone_header": {"key": "x-amz-request-payer", "value": "requester"},
"book": "https://storeapi.kobo.com/v1/products/books/{ProductId}",
"book_detail_page": "https://store.kobobooks.com/{culture}/ebook/{slug}",
"book_detail_page_rakuten": "http://books.rakuten.co.jp/rk/{crossrevisionid}",
"book_landing_page": "https://store.kobobooks.com/ebooks",
"book_subscription": "https://storeapi.kobo.com/v1/products/books/subscriptions",
"categories": "https://storeapi.kobo.com/v1/categories",
"categories_page": "https://store.kobobooks.com/ebooks/categories",
"category": "https://storeapi.kobo.com/v1/categories/{CategoryId}",
"category_featured_lists": "https://storeapi.kobo.com/v1/categories/{CategoryId}/featured",
"category_products": "https://storeapi.kobo.com/v1/categories/{CategoryId}/products",
"checkout_borrowed_book": "https://storeapi.kobo.com/v1/library/borrow",
"configuration_data": "https://storeapi.kobo.com/v1/configuration",
"content_access_book": "https://storeapi.kobo.com/v1/products/books/{ProductId}/access",
"customer_care_live_chat": "https://v2.zopim.com/widget/livechat.html?key=Y6gwUmnu4OATxN3Tli4Av9bYN319BTdO",
"daily_deal": "https://storeapi.kobo.com/v1/products/dailydeal",
"deals": "https://storeapi.kobo.com/v1/deals",
"delete_entitlement": "https://storeapi.kobo.com/v1/library/{Ids}",
"delete_tag": "https://storeapi.kobo.com/v1/library/tags/{TagId}",
"delete_tag_items": "https://storeapi.kobo.com/v1/library/tags/{TagId}/items/delete",
"device_auth": "https://storeapi.kobo.com/v1/auth/device",
"device_refresh": "https://storeapi.kobo.com/v1/auth/refresh",
"dictionary_host": "https://kbdownload1-a.akamaihd.net",
"discovery_host": "https://discovery.kobobooks.com",
"eula_page": "https://www.kobo.com/termsofuse?style=onestore",
"exchange_auth": "https://storeapi.kobo.com/v1/auth/exchange",
"external_book": "https://storeapi.kobo.com/v1/products/books/external/{Ids}",
"facebook_sso_page": "https://authorize.kobo.com/signin/provider/Facebook/login?returnUrl=http://store.kobobooks.com/",
"featured_list": "https://storeapi.kobo.com/v1/products/featured/{FeaturedListId}",
"featured_lists": "https://storeapi.kobo.com/v1/products/featured",
"free_books_page": {
"EN": "https://www.kobo.com/{region}/{language}/p/free-ebooks",
"FR": "https://www.kobo.com/{region}/{language}/p/livres-gratuits",
"IT": "https://www.kobo.com/{region}/{language}/p/libri-gratuiti",
"NL": "https://www.kobo.com/{region}/{language}/List/bekijk-het-overzicht-van-gratis-ebooks/QpkkVWnUw8sxmgjSlCbJRg",
"PT": "https://www.kobo.com/{region}/{language}/p/livros-gratis",
},
"fte_feedback": "https://storeapi.kobo.com/v1/products/ftefeedback",
"get_tests_request": "https://storeapi.kobo.com/v1/analytics/gettests",
"giftcard_epd_redeem_url": "https://www.kobo.com/{storefront}/{language}/redeem-ereader",
"giftcard_redeem_url": "https://www.kobo.com/{storefront}/{language}/redeem",
"help_page": "http://www.kobo.com/help",
"image_host": calibre_web_url,
"image_url_quality_template": calibre_web_url
+ "/{ImageId}/{Width}/{Height}/{Quality}/{IsGreyscale}/image.jpg",
"image_url_template": calibre_web_url
+ "/{ImageId}/{Width}/{Height}/false/image.jpg",
"kobo_audiobooks_enabled": "False",
"kobo_audiobooks_orange_deal_enabled": "False",
"kobo_audiobooks_subscriptions_enabled": "False",
"kobo_nativeborrow_enabled": "True",
"kobo_onestorelibrary_enabled": "False",
"kobo_redeem_enabled": "True",
"kobo_shelfie_enabled": "False",
"kobo_subscriptions_enabled": "False",
"kobo_superpoints_enabled": "False",
"kobo_wishlist_enabled": "True",
"library_book": "https://storeapi.kobo.com/v1/user/library/books/{LibraryItemId}",
"library_items": "https://storeapi.kobo.com/v1/user/library",
"library_metadata": "https://storeapi.kobo.com/v1/library/{Ids}/metadata",
"library_prices": "https://storeapi.kobo.com/v1/user/library/previews/prices",
"library_stack": "https://storeapi.kobo.com/v1/user/library/stacks/{LibraryItemId}",
"library_sync": "https://storeapi.kobo.com/v1/library/sync",
"love_dashboard_page": "https://store.kobobooks.com/{culture}/kobosuperpoints",
"love_points_redemption_page": "https://store.kobobooks.com/{culture}/KoboSuperPointsRedemption?productId={ProductId}",
"magazine_landing_page": "https://store.kobobooks.com/emagazines",
"notifications_registration_issue": "https://storeapi.kobo.com/v1/notifications/registration",
"oauth_host": "https://oauth.kobo.com",
"overdrive_account": "https://auth.overdrive.com/account",
"overdrive_library": "https://{libraryKey}.auth.overdrive.com/library",
"overdrive_library_finder_host": "https://libraryfinder.api.overdrive.com",
"overdrive_thunder_host": "https://thunder.api.overdrive.com",
"password_retrieval_page": "https://www.kobobooks.com/passwordretrieval.html",
"post_analytics_event": "https://storeapi.kobo.com/v1/analytics/event",
"privacy_page": "https://www.kobo.com/privacypolicy?style=onestore",
"product_nextread": "https://storeapi.kobo.com/v1/products/{ProductIds}/nextread",
"product_prices": "https://storeapi.kobo.com/v1/products/{ProductIds}/prices",
"product_recommendations": "https://storeapi.kobo.com/v1/products/{ProductId}/recommendations",
"product_reviews": "https://storeapi.kobo.com/v1/products/{ProductIds}/reviews",
"products": "https://storeapi.kobo.com/v1/products",
"provider_external_sign_in_page": "https://authorize.kobo.com/ExternalSignIn/{providerName}?returnUrl=http://store.kobobooks.com/",
"purchase_buy": "https://www.kobo.com/checkout/createpurchase/",
"purchase_buy_templated": "https://www.kobo.com/{culture}/checkout/createpurchase/{ProductId}",
"quickbuy_checkout": "https://storeapi.kobo.com/v1/store/quickbuy/{PurchaseId}/checkout",
"quickbuy_create": "https://storeapi.kobo.com/v1/store/quickbuy/purchase",
"rating": "https://storeapi.kobo.com/v1/products/{ProductId}/rating/{Rating}",
"reading_state": "https://storeapi.kobo.com/v1/library/{Ids}/state",
"redeem_interstitial_page": "https://store.kobobooks.com",
"registration_page": "https://authorize.kobo.com/signup?returnUrl=http://store.kobobooks.com/",
"related_items": "https://storeapi.kobo.com/v1/products/{Id}/related",
"remaining_book_series": "https://storeapi.kobo.com/v1/products/books/series/{SeriesId}",
"rename_tag": "https://storeapi.kobo.com/v1/library/tags/{TagId}",
"review": "https://storeapi.kobo.com/v1/products/reviews/{ReviewId}",
"review_sentiment": "https://storeapi.kobo.com/v1/products/reviews/{ReviewId}/sentiment/{Sentiment}",
"shelfie_recommendations": "https://storeapi.kobo.com/v1/user/recommendations/shelfie",
"sign_in_page": "https://authorize.kobo.com/signin?returnUrl=http://store.kobobooks.com/",
"social_authorization_host": "https://social.kobobooks.com:8443",
"social_host": "https://social.kobobooks.com",
"stacks_host_productId": "https://store.kobobooks.com/collections/byproductid/",
"store_home": "www.kobo.com/{region}/{language}",
"store_host": "store.kobobooks.com",
"store_newreleases": "https://store.kobobooks.com/{culture}/List/new-releases/961XUjtsU0qxkFItWOutGA",
"store_search": "https://store.kobobooks.com/{culture}/Search?Query={query}",
"store_top50": "https://store.kobobooks.com/{culture}/ebooks/Top",
"tag_items": "https://storeapi.kobo.com/v1/library/tags/{TagId}/Items",
"tags": "https://storeapi.kobo.com/v1/library/tags",
"taste_profile": "https://storeapi.kobo.com/v1/products/tasteprofile",
"update_accessibility_to_preview": "https://storeapi.kobo.com/v1/library/{EntitlementIds}/preview",
"use_one_store": "False",
"user_loyalty_benefits": "https://storeapi.kobo.com/v1/user/loyalty/benefits",
"user_platform": "https://storeapi.kobo.com/v1/user/platform",
"user_profile": "https://storeapi.kobo.com/v1/user/profile",
"user_ratings": "https://storeapi.kobo.com/v1/user/ratings",
"user_recommendations": "https://storeapi.kobo.com/v1/user/recommendations",
"user_reviews": "https://storeapi.kobo.com/v1/user/reviews",
"user_wishlist": "https://storeapi.kobo.com/v1/user/wishlist",
"userguide_host": "https://kbdownload1-a.akamaihd.net",
"wishlist_page": "https://store.kobobooks.com/{region}/{language}/account/wishlist",
}
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