searxng/searx/engines/google_images.py

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# SPDX-License-Identifier: AGPL-3.0-or-later
# lint: pylint
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"""This is the implementation of the google images engine using the google internal API used the Google Go Android app.
This internal API offer results in
- JSON (_fmt:json)
- Protobuf (_fmt:pb)
- Protobuf compressed? (_fmt:pc)
- HTML (_fmt:html)
- Protobuf encoded in JSON (_fmt:jspb).
.. 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: ;"
.. _data URLs:
https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
"""
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from urllib.parse import urlencode
from json import loads
from searx.engines.google import (
get_lang_info,
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time_range_dict,
detect_google_sorry,
)
# pylint: disable=unused-import
from searx.engines.google import supported_languages_url, _fetch_supported_languages
# pylint: enable=unused-import
# about
about = {
"website": 'https://images.google.com',
"wikidata_id": 'Q521550',
"official_api_documentation": 'https://developers.google.com/custom-search',
"use_official_api": False,
"require_api_key": False,
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"results": 'JSON',
}
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# engine dependent config
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categories = ['images', 'web']
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paging = True
use_locale_domain = True
time_range_support = True
safesearch = True
send_accept_language_header = True
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filter_mapping = {0: 'images', 1: 'active', 2: 'active'}
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def request(query, params):
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"""Google-Image search request"""
lang_info = get_lang_info(params, supported_languages, language_aliases, False)
query_url = (
'https://'
+ lang_info['subdomain']
+ '/search'
+ "?"
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+ urlencode(
{
'q': query,
'tbm': "isch",
**lang_info['params'],
'ie': "utf8",
'oe': "utf8",
'asearch': 'isch',
'async': '_fmt:json,p:1,ijn:' + str(params['pageno']),
}
)
)
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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
params['headers'].update(lang_info['headers'])
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params['headers']['User-Agent'] = 'NSTN/3.60.474802233.release Dalvik/2.1.0 (Linux; U; Android 12; US) gzip'
params['headers']['Accept'] = '*/*'
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return params
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def response(resp):
"""Get response from google's search request"""
results = []
detect_google_sorry(resp)
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response_2nd_line = resp.text.split("\n", 1)[1]
json_data = loads(response_2nd_line)["ischj"]
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for item in json_data["metadata"]:
results.append(
{
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'url': item["result"]["referrer_url"],
'title': item["result"]["page_title"],
'content': item["text_in_grid"]["snippet"],
'source': item["result"]["site_title"],
'format': f'{item["original_image"]["width"]} x item["original_image"]["height"]',
'img_src': item["original_image"]["url"],
'thumbnail_src': item["thumbnail"]["url"],
'template': 'images.html',
}
)
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return results