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120 lines
3.9 KiB
120 lines
3.9 KiB
# -*- coding: utf-8 -*-
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# Copyright 2019-2023 Mike Fährmann
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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 version 2 as
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# published by the Free Software Foundation.
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"""Extractors for https://www.plurk.com/"""
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from .common import Extractor, Message
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from .. import text, util, exception
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import datetime
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import re
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class PlurkExtractor(Extractor):
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"""Base class for plurk extractors"""
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category = "plurk"
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root = "https://www.plurk.com"
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request_interval = (0.5, 1.5)
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def items(self):
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urls = self._urls_ex if self.config("comments", False) else self._urls
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for plurk in self.plurks():
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for url in urls(plurk):
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yield Message.Queue, url, plurk
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def plurks(self):
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"""Return an iterable with all relevant 'plurk' objects"""
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@staticmethod
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def _urls(obj):
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"""Extract URLs from a 'plurk' object"""
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return text.extract_iter(obj["content"], ' href="', '"')
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def _urls_ex(self, plurk):
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"""Extract URLs from a 'plurk' and its comments"""
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yield from self._urls(plurk)
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for comment in self._comments(plurk):
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yield from self._urls(comment)
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def _comments(self, plurk):
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"""Return an iterable with a 'plurk's comments"""
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url = "https://www.plurk.com/Responses/get"
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data = {"plurk_id": plurk["id"], "count": "200"}
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headers = {
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"Origin": self.root,
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"Referer": self.root,
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"X-Requested-With": "XMLHttpRequest",
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}
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while True:
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info = self.request(
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url, method="POST", headers=headers, data=data).json()
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yield from info["responses"]
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if not info["has_newer"]:
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return
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elif info["has_newer"] < 200:
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del data["count"]
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data["from_response_id"] = info["responses"][-1]["id"] + 1
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@staticmethod
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def _load(data):
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if not data:
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raise exception.NotFoundError("user")
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return util.json_loads(re.sub(r"new Date\(([^)]+)\)", r"\1", data))
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class PlurkTimelineExtractor(PlurkExtractor):
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"""Extractor for URLs from all posts in a Plurk timeline"""
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subcategory = "timeline"
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pattern = r"(?:https?://)?(?:www\.)?plurk\.com/(?!p/)(\w+)/?(?:$|[?#])"
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example = "https://www.plurk.com/USER"
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def __init__(self, match):
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PlurkExtractor.__init__(self, match)
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self.user = match.group(1)
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def plurks(self):
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url = "{}/{}".format(self.root, self.user)
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page = self.request(url).text
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user_id, pos = text.extract(page, '"page_user": {"id":', ',')
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plurks = self._load(text.extract(page, "_PLURKS = ", ";\n", pos)[0])
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headers = {"Referer": url, "X-Requested-With": "XMLHttpRequest"}
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data = {"user_id": user_id.strip()}
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url = "https://www.plurk.com/TimeLine/getPlurks"
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while plurks:
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yield from plurks
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offset = datetime.datetime.strptime(
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plurks[-1]["posted"], "%a, %d %b %Y %H:%M:%S %Z")
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data["offset"] = offset.strftime("%Y-%m-%dT%H:%M:%S.000Z")
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response = self.request(
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url, method="POST", headers=headers, data=data)
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plurks = response.json()["plurks"]
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class PlurkPostExtractor(PlurkExtractor):
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"""Extractor for URLs from a Plurk post"""
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subcategory = "post"
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pattern = r"(?:https?://)?(?:www\.)?plurk\.com/p/(\w+)"
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example = "https://www.plurk.com/p/12345"
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def __init__(self, match):
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PlurkExtractor.__init__(self, match)
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self.plurk_id = match.group(1)
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def plurks(self):
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url = "{}/p/{}".format(self.root, self.plurk_id)
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page = self.request(url).text
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user, pos = text.extract(page, " GLOBAL = ", "\n")
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data, pos = text.extract(page, "plurk = ", ";\n", pos)
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data = self._load(data)
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data["user"] = self._load(user)["page_user"]
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return (data,)
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