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[fix] engine - bing fix search, pagination, remove safesearch

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jazzzooo 2023-09-20 08:39:42 -07:00 committed by MatthieuBarbu
parent b732fbfe5b
commit ae91b993b1
4 changed files with 23 additions and 116 deletions
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114
searx/engines/bing.py
View File

@ -30,9 +30,8 @@ inaccuracies there too):
from typing import TYPE_CHECKING
import base64
import datetime
import re
import uuid
import time
from urllib.parse import parse_qs, urlencode, urlparse
from lxml import html
import babel
@ -58,17 +57,10 @@ about = {
"results": 'HTML',
}
send_accept_language_header = True
"""Bing tries to guess user's language and territory from the HTTP
Accept-Language. Optional the user can select a search-language (can be
different to the UI language) and a region (market code)."""
# engine dependent config
categories = ['general', 'web']
paging = True
time_range_support = True
safesearch = True
safesearch_types = {2: 'STRICT', 1: 'DEMOTE', 0: 'OFF'} # cookie: ADLT=STRICT
base_url = 'https://www.bing.com/search'
"""Bing (Web) search URL"""
@ -77,105 +69,29 @@ bing_traits_url = 'https://learn.microsoft.com/en-us/bing/search-apis/bing-web-s
"""Bing (Web) search API description"""
def _get_offset_from_pageno(pageno):
return (pageno - 1) * 10 + 1
def _page_offset(pageno):
return (int(pageno) - 1) * 10 + 1
def set_bing_cookies(params, engine_language, engine_region, SID):
# set cookies
# -----------
params['cookies']['_EDGE_V'] = '1'
# _EDGE_S: F=1&SID=3A5253BD6BCA609509B741876AF961CA&mkt=zh-tw
_EDGE_S = [
'F=1',
'SID=%s' % SID,
'mkt=%s' % engine_region.lower(),
'ui=%s' % engine_language.lower(),
]
params['cookies']['_EDGE_S'] = '&'.join(_EDGE_S)
logger.debug("cookie _EDGE_S=%s", params['cookies']['_EDGE_S'])
# "_EDGE_CD": "m=zh-tw",
_EDGE_CD = [ # pylint: disable=invalid-name
'm=%s' % engine_region.lower(), # search region: zh-cn
'u=%s' % engine_language.lower(), # UI: en-us
]
params['cookies']['_EDGE_CD'] = '&'.join(_EDGE_CD) + ';'
logger.debug("cookie _EDGE_CD=%s", params['cookies']['_EDGE_CD'])
SRCHHPGUSR = [ # pylint: disable=invalid-name
'SRCHLANG=%s' % engine_language,
# Trying to set ADLT cookie here seems not to have any effect, I assume
# there is some age verification by a cookie (and/or session ID) needed,
# to disable the SafeSearch.
'ADLT=%s' % safesearch_types.get(params['safesearch'], 'DEMOTE'),
]
params['cookies']['SRCHHPGUSR'] = '&'.join(SRCHHPGUSR)
logger.debug("cookie SRCHHPGUSR=%s", params['cookies']['SRCHHPGUSR'])
def set_bing_cookies(params, engine_language, engine_region):
params['cookies']['_EDGE_CD'] = f'm={engine_region.lower()}&u={engine_language.lower()};'
def request(query, params):
"""Assemble a Bing-Web request."""
engine_region = traits.get_region(params['searxng_locale'], 'en-US')
engine_language = traits.get_language(params['searxng_locale'], 'en')
engine_region = traits.get_region(params['searxng_locale'], 'en-us')
engine_language = traits.get_language(params['searxng_locale'], 'en-us')
set_bing_cookies(params, engine_language, engine_region)
SID = uuid.uuid1().hex.upper()
CVID = uuid.uuid1().hex.upper()
query_params = {'q': query, 'first': _page_offset(params.get('pageno', 1))}
params['url'] = f'{base_url}?{urlencode(query_params)}'
set_bing_cookies(params, engine_language, engine_region, SID)
unix_day = int(time.time() / 86400)
time_ranges = {'day': '1', 'week': '2', 'month': '3', 'year': f'5_{unix_day-365}_{unix_day}'}
if params.get('time_range') in time_ranges:
params['url'] += f'&filters=ex1:"ez{time_ranges[params["time_range"]]}"'
# build URL query
# ---------------
# query term
page = int(params.get('pageno', 1))
query_params = {
# fmt: off
'q': query,
'pq': query,
'cvid': CVID,
'qs': 'n',
'sp': '-1'
# fmt: on
}
# page
if page > 1:
referer = base_url + '?' + urlencode(query_params)
params['headers']['Referer'] = referer
logger.debug("headers.Referer --> %s", referer)
query_params['first'] = _get_offset_from_pageno(page)
if page == 2:
query_params['FORM'] = 'PERE'
elif page > 2:
query_params['FORM'] = 'PERE%s' % (page - 2)
filters = ''
if params['time_range']:
query_params['filt'] = 'custom'
if params['time_range'] == 'day':
filters = 'ex1:"ez1"'
elif params['time_range'] == 'week':
filters = 'ex1:"ez2"'
elif params['time_range'] == 'month':
filters = 'ex1:"ez3"'
elif params['time_range'] == 'year':
epoch_1970 = datetime.date(1970, 1, 1)
today_no = (datetime.date.today() - epoch_1970).days
filters = 'ex1:"ez5_%s_%s"' % (today_no - 365, today_no)
params['url'] = base_url + '?' + urlencode(query_params)
if filters:
params['url'] = params['url'] + '&filters=' + filters
return params
@ -236,7 +152,7 @@ def response(resp):
except Exception as e: # pylint: disable=broad-except
logger.debug('result error :\n%s', e)
if result_len and _get_offset_from_pageno(resp.search_params.get("pageno", 0)) > result_len:
if result_len and _page_offset(resp.search_params.get("pageno", 0)) > result_len:
# Avoid reading more results than avalaible.
# For example, if there is 100 results from some search and we try to get results from 120 to 130,
# Bing will send back the results from 0 to 10 and no error.

9
searx/engines/bing_images.py
View File

@ -6,7 +6,6 @@
from typing import TYPE_CHECKING
import uuid
import json
from urllib.parse import urlencode
@ -17,7 +16,6 @@ from searx.engines.bing import (
set_bing_cookies,
_fetch_traits,
)
from searx.engines.bing import send_accept_language_header # pylint: disable=unused-import
if TYPE_CHECKING:
import logging
@ -61,11 +59,10 @@ time_map = {
def request(query, params):
"""Assemble a Bing-Image request."""
engine_region = traits.get_region(params['searxng_locale'], 'en-US')
engine_language = traits.get_language(params['searxng_locale'], 'en')
engine_region = traits.get_region(params['searxng_locale'], 'en-us')
engine_language = traits.get_language(params['searxng_locale'], 'en-us')
SID = uuid.uuid1().hex.upper()
set_bing_cookies(params, engine_language, engine_region, SID)
set_bing_cookies(params, engine_language, engine_region)
# build URL query
# - example: https://www.bing.com/images/async?q=foo&first=155&count=35

7
searx/engines/bing_news.py
View File

@ -6,7 +6,6 @@
# pylint: disable=invalid-name
from typing import TYPE_CHECKING
import uuid
from urllib.parse import urlencode
from lxml import html
@ -16,7 +15,6 @@ from searx.engines.bing import (
set_bing_cookies,
_fetch_traits,
)
from searx.engines.bing import send_accept_language_header # pylint: disable=unused-import
if TYPE_CHECKING:
import logging
@ -70,10 +68,9 @@ def request(query, params):
sxng_locale = params['searxng_locale']
engine_region = traits.get_region(mkt_alias.get(sxng_locale, sxng_locale), traits.all_locale)
engine_language = traits.get_language(sxng_locale, 'en')
engine_language = traits.get_language(sxng_locale, 'en-us')
SID = uuid.uuid1().hex.upper()
set_bing_cookies(params, engine_language, engine_region, SID)
set_bing_cookies(params, engine_language, engine_region)
# build URL query
#

9
searx/engines/bing_videos.py
View File

@ -5,7 +5,6 @@
# pylint: disable=invalid-name
from typing import TYPE_CHECKING
import uuid
import json
from urllib.parse import urlencode
@ -16,7 +15,6 @@ from searx.engines.bing import (
set_bing_cookies,
_fetch_traits,
)
from searx.engines.bing import send_accept_language_header # pylint: disable=unused-import
if TYPE_CHECKING:
import logging
@ -60,11 +58,10 @@ time_map = {
def request(query, params):
"""Assemble a Bing-Video request."""
engine_region = traits.get_region(params['searxng_locale'], 'en-US')
engine_language = traits.get_language(params['searxng_locale'], 'en')
engine_region = traits.get_region(params['searxng_locale'], 'en-us')
engine_language = traits.get_language(params['searxng_locale'], 'en-us')
SID = uuid.uuid1().hex.upper()
set_bing_cookies(params, engine_language, engine_region, SID)
set_bing_cookies(params, engine_language, engine_region)
# build URL query
#