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Integrate with the official Kobo store endpoint so that no

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functionanility is lost by overriding the api_endpoint setting.

Requests are either:
 * Redirected to the Kobo Store
 * Proxied to the Kobo Store
 * Proxied to the Kobo Store and merged with results from CalibreWeb.
pull/1138/head
Michael Shavit 5 years ago
parent d6a9746824
commit b831b9d6b2
1 changed files with 124 additions and 169 deletions
Show Stats Download Patch File Download Diff File

291
cps/kobo.py
Unescape Escape View File

@ -25,16 +25,27 @@ from datetime import datetime
from time import gmtime, strftime
from jsonschema import validate, exceptions
from flask import Blueprint, request, make_response, jsonify, json, current_app, url_for
from flask import (
Blueprint,
request,
make_response,
jsonify,
json,
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 .web import download_required
# TODO: Test more formats :) .
KOBO_SUPPORTED_FORMATS = {"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)
@ -55,6 +66,47 @@ def to_epoch_timestamp(datetime_object):
return (datetime_object - datetime(1970, 1, 1)).total_seconds()
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)
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()
)
class SyncToken:
""" The SyncToken is used to persist state accross requests.
When serialized over the response headers, the Kobo device will propagate the token onto following requests to the service.
@ -138,6 +190,14 @@ class SyncToken:
books_last_modified=books_last_modified,
)
def set_kobo_store_header(self, store_headers):
store_headers.set(SyncToken.SYNC_TOKEN_HEADER, self.raw_kobo_store_token)
def merge_from_store_response(self, store_response):
self.raw_kobo_store_token = store_response.headers.get(
SyncToken.SYNC_TOKEN_HEADER, ""
)
def to_headers(self, headers):
headers[SyncToken.SYNC_TOKEN_HEADER] = self.build_sync_token()
@ -198,13 +258,40 @@ def HandleSyncRequest():
# Missing feature: Detect server-side book deletions.
# Missing feature: Join the response with results from the official Kobo store so that users can still buy and access books from the device store (particularly while on-the-road).
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(response.headers)
response.headers["x-kobo-sync-mode"] = "delta"
response.headers["x-kobo-apitoken"] = "e30="
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
@ -216,7 +303,7 @@ def HandleMetadataRequest(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 make_response("Book not found in database.", 404)
return redirect_or_proxy_request()
metadata = get_metadata(book)
return jsonify([metadata])
@ -356,7 +443,7 @@ def HandleCoverImageRequest(book_uuid, horizontal, vertical, jpeg_quality, monoc
book_uuid, use_generic_cover_on_failure=False
)
if not book_cover:
return make_response()
return redirect(get_store_url_for_current_request(), 307)
return book_cover
@ -365,173 +452,41 @@ def TopLevelEndpoint():
return make_response(jsonify({}))
@kobo.route("/v1/user/profile")
@kobo.route("/v1/user/loyalty/benefits")
@kobo.route("/v1/analytics/gettests/", methods=["GET", "POST"])
@kobo.route("/v1/user/wishlist")
@kobo.route("/v1/user/<dummy>")
@kobo.route("/v1/user/recommendations")
@kobo.route("/v1/products/<dummy>")
@kobo.route("/v1/products/<dummy>/nextread")
@kobo.route("/v1/products/featured/<dummy>")
@kobo.route("/v1/products/featured/")
@kobo.route("/v1/library/<dummy>", methods=["DELETE", "GET"]) # TODO: implement
def HandleDummyRequest(dummy=None):
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(book_uuid=None, shelf_name=None, tag_id=None):
return redirect_or_proxy_request()
@kobo.route("/v1/auth/device", methods=["POST"])
def HandleAuthRequest():
# This AuthRequest isn't used for most of our usecases.
response = make_response(
jsonify(
{
"AccessToken": "abcde",
"RefreshToken": "abcde",
"TokenType": "Bearer",
"TrackingId": "abcde",
"UserKey": "abcdefgeh",
}
)
)
return response
@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)
return redirect_or_proxy_request()
@kobo.route("/v1/initialization")
def HandleInitRequest():
resources = NATIVE_KOBO_RESOURCES(
calibre_web_url=url_for("web.index", _external=True).strip("/")
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(),
)
response = make_response(jsonify({"Resources": resources}))
response.headers["x-kobo-apitoken"] = "e30="
return response
store_response_json = store_response.json()
if "Resources" in store_response_json:
kobo_resources = store_response_json["Resources"]
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",
}
calibre_web_url=url_for("web.index", _external=True).strip("/")
kobo_resources["image_host"] = calibre_web_url
kobo_resources["image_url_quality_template"] = calibre_web_url + "/{ImageId}/{Width}/{Height}/{Quality}/{IsGreyscale}/image.jpg"
kobo_resources["image_url_template"] = calibre_web_url + "/{ImageId}/{Width}/{Height}/false/image.jpg"
return make_response(store_response_json, store_response.status_code)

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