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# -*- coding: utf-8 -*-
# Copyright 2024 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
"""Extractors for https://koharu.to/"""
from .common import GalleryExtractor, Extractor, Message
from .. import text, exception
from ..cache import cache
BASE_PATTERN = r"(?i)(?:https?://)?(?:koharu|anchira)\.to"
class KoharuExtractor(Extractor):
"""Base class for koharu extractors"""
category = "koharu"
root = "https://koharu.to"
root_api = "https://api.koharu.to"
request_interval = (0.5, 1.5)
def _init(self):
self.headers = {
"Accept" : "*/*",
"Referer": self.root + "/",
"Origin" : self.root,
}
def _pagination(self, endpoint, params):
url_api = self.root_api + endpoint
while True:
data = self.request(
url_api, params=params, headers=self.headers).json()
try:
entries = data["entries"]
except KeyError:
return
for entry in entries:
url = "{}/g/{}/{}".format(
self.root, entry["id"], entry["public_key"])
entry["_extractor"] = KoharuGalleryExtractor
yield Message.Queue, url, entry
try:
if data["limit"] * data["page"] >= data["total"]:
return
except Exception:
pass
params["page"] += 1
class KoharuGalleryExtractor(KoharuExtractor, GalleryExtractor):
"""Extractor for koharu galleries"""
filename_fmt = "{num:>03}.{extension}"
directory_fmt = ("{category}", "{id} {title}")
archive_fmt = "{id}_{num}"
request_interval = 0.0
pattern = BASE_PATTERN + r"/(?:g|reader)/(\d+)/(\w+)"
example = "https://koharu.to/g/12345/67890abcde/"
TAG_TYPES = {
0 : "general",
1 : "artist",
2 : "circle",
3 : "parody",
4 : "magazine",
5 : "character",
6 : "",
7 : "uploader",
8 : "male",
9 : "female",
10: "mixed",
11: "language",
12: "other",
}
def __init__(self, match):
GalleryExtractor.__init__(self, match)
self.gallery_url = None
def _init(self):
self.headers = {
"Accept" : "*/*",
"Referer": self.root + "/",
"Origin" : self.root,
}
self.fmt = self.config("format")
self.cbz = self.config("cbz", True)
if self.cbz:
self.filename_fmt = "{id} {title}.{extension}"
self.directory_fmt = ("{category}",)
def metadata(self, _):
url = "{}/books/detail/{}/{}".format(
self.root_api, self.groups[0], self.groups[1])
self.data = data = self.request(url, headers=self.headers).json()
tags = []
for tag in data["tags"]:
name = tag["name"]
namespace = tag.get("namespace", 0)
tags.append(self.TAG_TYPES[namespace] + ":" + name)
data["tags"] = tags
data["date"] = text.parse_timestamp(data["created_at"] // 1000)
try:
if self.cbz:
data["count"] = len(data["thumbnails"]["entries"])
del data["thumbnails"]
del data["rels"]
except Exception:
pass
return data
def images(self, _):
data = self.data
fmt = self._select_format(data["data"])
url = "{}/books/data/{}/{}/{}/{}".format(
self.root_api,
data["id"], data["public_key"],
fmt["id"], fmt["public_key"],
)
params = {
"v": data["updated_at"],
"w": fmt["w"],
}
if self.cbz:
params["action"] = "dl"
base = self.request(
url, method="POST", params=params, headers=self.headers,
).json()["base"]
url = "{}?v={}&w={}".format(base, data["updated_at"], fmt["w"])
info = text.nameext_from_url(base)
if not info["extension"]:
info["extension"] = "cbz"
return ((url, info),)
data = self.request(url, params=params, headers=self.headers).json()
base = data["base"]
results = []
for entry in data["entries"]:
dimensions = entry["dimensions"]
info = {
"w": dimensions[0],
"h": dimensions[1],
"_http_headers": self.headers,
}
results.append((base + entry["path"], info))
return results
def _select_format(self, formats):
fmt = self.fmt
if not fmt or fmt == "best":
fmtids = ("0", "1600", "1280", "980", "780")
elif isinstance(fmt, str):
fmtids = fmt.split(",")
elif isinstance(fmt, list):
fmtids = fmt
else:
fmtids = (str(self.fmt),)
for fmtid in fmtids:
try:
fmt = formats[fmtid]
if fmt["id"]:
break
except KeyError:
self.log.debug("%s: Format %s is not available",
self.groups[0], fmtid)
else:
raise exception.NotFoundError("format")
self.log.debug("%s: Selected format %s", self.groups[0], fmtid)
fmt["w"] = fmtid
return fmt
class KoharuSearchExtractor(KoharuExtractor):
"""Extractor for koharu search results"""
subcategory = "search"
pattern = BASE_PATTERN + r"/\?([^#]*)"
example = "https://koharu.to/?s=QUERY"
def items(self):
params = text.parse_query(self.groups[0])
params["page"] = text.parse_int(params.get("page"), 1)
return self._pagination("/books", params)
class KoharuFavoriteExtractor(KoharuExtractor):
"""Extractor for koharu favorites"""
subcategory = "favorite"
pattern = BASE_PATTERN + r"/favorites(?:\?([^#]*))?"
example = "https://koharu.to/favorites"
def items(self):
self.login()
params = text.parse_query(self.groups[0])
params["page"] = text.parse_int(params.get("page"), 1)
return self._pagination("/favorites", params)
def login(self):
username, password = self._get_auth_info()
if username:
self.headers["Authorization"] = \
"Bearer " + self._login_impl(username, password)
return
raise exception.AuthenticationError("Username and password required")
@cache(maxage=86400, keyarg=1)
def _login_impl(self, username, password):
self.log.info("Logging in as %s", username)
url = "https://auth.koharu.to/login"
data = {"uname": username, "passwd": password}
response = self.request(
url, method="POST", headers=self.headers, data=data)
return response.json()["session"]
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