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Merge pull request #2306 from return42/fix-1959

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[fix] engine google-News: fix decoding of URLs
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Markus Heiser 2023-04-02 08:02:37 +02:00 committed by GitHub
commit a5155a32c0
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1 changed files with 11 additions and 30 deletions
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41
searx/engines/google_news.py
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@ -27,10 +27,8 @@ The google news API ignores some parameters from the common :ref:`google API`:
from typing import TYPE_CHECKING
import binascii
import re
from urllib.parse import urlencode
from base64 import b64decode
import base64
from lxml import html
import babel
@ -144,34 +142,17 @@ def response(resp):
for result in eval_xpath_list(dom, '//div[@class="xrnccd"]'):
# The first <a> tag in the <article> contains the link to the
# article The href attribute of the <a> is a google internal link,
# we can't use. The real link is hidden in the jslog attribute:
#
# <a ...
# jslog="95014; 4:https://www.cnn.com/.../index.html; track:click"
# href="./articles/CAIiENu3nGS...?hl=en-US&amp;gl=US&amp;ceid=US%3Aen"
# ... />
# The first <a> tag in the <article> contains the link to the article
# The href attribute of the <a> tag is a google internal link, we have
# to decode
jslog = eval_xpath_getindex(result, './article/a/@jslog', 0)
url = re.findall('http[^;]*', jslog)
if url:
url = url[0]
else:
# The real URL is base64 encoded in the json attribute:
# jslog="95014; 5:W251bGwsbnVsbCxudW...giXQ==; track:click"
jslog = jslog.split(";")[1].split(':')[1].strip()
try:
padding = (4 - (len(jslog) % 4)) * "="
jslog = b64decode(jslog + padding)
except binascii.Error:
# URL can't be read, skip this result
continue
href = eval_xpath_getindex(result, './article/a/@href', 0)
href = href.split('?')[0]
href = href.split('/')[-1]
href = base64.urlsafe_b64decode(href + '====')
href = href[4:].split(b'\xd2')[0]
href = href.decode()
# now we have : b'[null, ... null,"https://www.cnn.com/.../index.html"]'
url = re.findall('http[^;"]*', str(jslog))[0]
# the first <h3> tag in the <article> contains the title of the link
title = extract_text(eval_xpath(result, './article/h3[1]'))
# The pub_date is mostly a string like 'yesertday', not a real
@ -189,7 +170,7 @@ def response(resp):
results.append(
{
'url': url,
'url': href,
'title': title,
'content': content,
'img_src': img_src,