forked from zaclys/searxng
224 lines
6.8 KiB
Python
224 lines
6.8 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
"""
|
|
Google (Viedo)
|
|
|
|
For detailed description of the *REST-full* API see: `Query Parameter
|
|
Definitions`_. Not all parameters can be appied.
|
|
|
|
.. _admonition:: Content-Security-Policy (CSP)
|
|
|
|
This engine needs to allow images from the `data URLs`_ (prefixed with the
|
|
``data:` scheme).::
|
|
|
|
Header set Content-Security-Policy "img-src 'self' data: ;"
|
|
|
|
.. _Query Parameter Definitions:
|
|
https://developers.google.com/custom-search/docs/xml_results#WebSearch_Query_Parameter_Definitions
|
|
.. _data URLs:
|
|
https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
|
|
|
|
"""
|
|
|
|
# pylint: disable=invalid-name, missing-function-docstring
|
|
|
|
import re
|
|
from urllib.parse import urlencode, urlparse
|
|
from lxml import html
|
|
|
|
from searx import logger
|
|
from searx.exceptions import SearxEngineCaptchaException
|
|
from searx.utils import (
|
|
eval_xpath,
|
|
eval_xpath_list,
|
|
extract_text,
|
|
)
|
|
|
|
from searx.engines.google import (
|
|
get_lang_country,
|
|
google_domains,
|
|
time_range_dict,
|
|
filter_mapping,
|
|
results_xpath,
|
|
g_section_with_header,
|
|
title_xpath,
|
|
href_xpath,
|
|
content_xpath,
|
|
suggestion_xpath,
|
|
spelling_suggestion_xpath
|
|
)
|
|
|
|
# pylint: disable=unused-import
|
|
from searx.engines.google import (
|
|
supported_languages_url
|
|
, _fetch_supported_languages
|
|
)
|
|
# pylint: enable=unused-import
|
|
|
|
# about
|
|
about = {
|
|
"website": 'https://www.google.com',
|
|
"wikidata_id": 'Q219885',
|
|
"official_api_documentation": 'https://developers.google.com/custom-search/',
|
|
"use_official_api": False,
|
|
"require_api_key": False,
|
|
"results": 'HTML',
|
|
"template": 'video.html',
|
|
"parse": ('url', 'title', 'content', 'thumbnail')
|
|
}
|
|
|
|
logger = logger.getChild('google video')
|
|
|
|
# engine dependent config
|
|
|
|
categories = ['videos']
|
|
paging = False
|
|
language_support = True
|
|
use_locale_domain = True
|
|
time_range_support = True
|
|
safesearch = True
|
|
|
|
RE_CACHE = {}
|
|
|
|
def _re(regexpr):
|
|
"""returns compiled regular expression"""
|
|
RE_CACHE[regexpr] = RE_CACHE.get(regexpr, re.compile(regexpr))
|
|
return RE_CACHE[regexpr]
|
|
|
|
def scrap_out_thumbs(dom):
|
|
"""Scrap out thumbnail data from <script> tags.
|
|
"""
|
|
ret_val = dict()
|
|
thumb_name = 'vidthumb'
|
|
|
|
for script in eval_xpath(dom, '//script[contains(., "_setImagesSrc")]'):
|
|
_script = script.text
|
|
|
|
# var s='data:image/jpeg;base64, ...'
|
|
_imgdata = _re("s='([^']*)").findall( _script)
|
|
if not _imgdata:
|
|
continue
|
|
|
|
# var ii=['vidthumb4','vidthumb7']
|
|
for _vidthumb in _re(r"(%s\d+)" % thumb_name).findall(_script):
|
|
# At least the equal sign in the URL needs to be decoded
|
|
ret_val[_vidthumb] = _imgdata[0].replace(r"\x3d", "=")
|
|
|
|
# {google.ldidly=-1;google.ldi={"vidthumb8":"https://...
|
|
for script in eval_xpath(dom, '//script[contains(., "google.ldi={")]'):
|
|
_script = script.text
|
|
for key_val in _re(r'"%s\d+\":\"[^\"]*"' % thumb_name).findall( _script) :
|
|
match = _re(r'"(%s\d+)":"(.*)"' % thumb_name).search(key_val)
|
|
if match:
|
|
# At least the equal sign in the URL needs to be decoded
|
|
ret_val[match.group(1)] = match.group(2).replace(r"\u003d", "=")
|
|
|
|
logger.debug("found %s imgdata for: %s", thumb_name, ret_val.keys())
|
|
return ret_val
|
|
|
|
|
|
def request(query, params):
|
|
"""Google-Video search request"""
|
|
|
|
language, country, lang_country = get_lang_country(
|
|
# pylint: disable=undefined-variable
|
|
params, supported_languages, language_aliases
|
|
)
|
|
subdomain = 'www.' + google_domains.get(country.upper(), 'google.com')
|
|
|
|
query_url = 'https://'+ subdomain + '/search' + "?" + urlencode({
|
|
'q': query,
|
|
'tbm': "vid",
|
|
'hl': lang_country,
|
|
'lr': "lang_" + language,
|
|
'ie': "utf8",
|
|
'oe': "utf8",
|
|
})
|
|
|
|
if params['time_range'] in time_range_dict:
|
|
query_url += '&' + urlencode({'tbs': 'qdr:' + time_range_dict[params['time_range']]})
|
|
if params['safesearch']:
|
|
query_url += '&' + urlencode({'safe': filter_mapping[params['safesearch']]})
|
|
|
|
params['url'] = query_url
|
|
logger.debug("query_url --> %s", query_url)
|
|
|
|
# en-US,en;q=0.8,en;q=0.5
|
|
params['headers']['Accept-Language'] = (
|
|
"%s,%s;q=0.8,%s;q=0.5" % (lang_country, language, language))
|
|
logger.debug(
|
|
"HTTP Accept-Language --> %s", params['headers']['Accept-Language'])
|
|
params['headers']['Accept'] = (
|
|
'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'
|
|
)
|
|
#params['google_subdomain'] = subdomain
|
|
return params
|
|
|
|
|
|
def response(resp):
|
|
"""Get response from google's search request"""
|
|
results = []
|
|
|
|
# detect google sorry
|
|
resp_url = urlparse(resp.url)
|
|
if resp_url.netloc == 'sorry.google.com' or resp_url.path == '/sorry/IndexRedirect':
|
|
raise SearxEngineCaptchaException()
|
|
|
|
if resp_url.path.startswith('/sorry'):
|
|
raise SearxEngineCaptchaException()
|
|
|
|
# which subdomain ?
|
|
# subdomain = resp.search_params.get('google_subdomain')
|
|
|
|
# convert the text to dom
|
|
dom = html.fromstring(resp.text)
|
|
vidthumb_imgdata = scrap_out_thumbs(dom)
|
|
|
|
# parse results
|
|
for result in eval_xpath_list(dom, results_xpath):
|
|
|
|
# google *sections*
|
|
if extract_text(eval_xpath(result, g_section_with_header)):
|
|
logger.debug("ingoring <g-section-with-header>")
|
|
continue
|
|
|
|
title = extract_text(eval_xpath(result, title_xpath)[0])
|
|
url = eval_xpath(result, href_xpath)[0]
|
|
c_node = eval_xpath(result, content_xpath)[0]
|
|
|
|
# <img id="vidthumb1" ...>
|
|
img_id = eval_xpath(c_node, './div[1]//a/g-img/img/@id')
|
|
if not img_id:
|
|
continue
|
|
img_id = img_id[0]
|
|
img_src = vidthumb_imgdata.get(img_id, None)
|
|
if not img_src:
|
|
logger.error("no vidthumb imgdata for: %s" % img_id)
|
|
img_src = eval_xpath(c_node, './div[1]//a/g-img/img/@src')[0]
|
|
|
|
duration = extract_text(eval_xpath(c_node, './div[1]//a/span'))
|
|
content = extract_text(eval_xpath(c_node, './div[2]/span'))
|
|
pub_info = extract_text(eval_xpath(c_node, './div[2]/div'))
|
|
|
|
if len(duration) > 3:
|
|
content = duration + " - " + content
|
|
if pub_info:
|
|
content = content + " (%s)" % pub_info
|
|
|
|
results.append({
|
|
'url': url,
|
|
'title': title,
|
|
'content': content,
|
|
'thumbnail': img_src,
|
|
'template': 'videos.html',
|
|
})
|
|
|
|
# parse suggestion
|
|
for suggestion in eval_xpath(dom, suggestion_xpath):
|
|
# append suggestion
|
|
results.append({'suggestion': extract_text(suggestion)})
|
|
|
|
for correction in eval_xpath(dom, spelling_suggestion_xpath):
|
|
results.append({'correction': extract_text(correction)})
|
|
|
|
return results
|