mirror of
https://github.com/searxng/searxng.git
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127 lines
3.5 KiB
Python
127 lines
3.5 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""
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Gigablast (Web)
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"""
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# pylint: disable=invalid-name
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import re
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from time import time
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from json import loads
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from urllib.parse import urlencode
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from searx.network import get
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# about
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about = {
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"website": 'https://www.gigablast.com',
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"wikidata_id": 'Q3105449',
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"official_api_documentation": 'https://gigablast.com/api.html',
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"use_official_api": True,
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"require_api_key": False,
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"results": 'JSON',
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}
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# engine dependent config
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categories = ['general', 'web']
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# gigablast's pagination is totally damaged, don't use it
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paging = False
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safesearch = True
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# search-url
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base_url = 'https://gigablast.com'
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search_path = '/search?'
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# ugly hack: gigablast requires a random extra parameter which can be extracted
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# from the source code of the gigablast HTTP client
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extra_param = ''
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# timestamp of the last fetch of extra_param
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extra_param_ts = 0
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# after how many seconds extra_param expire
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extra_param_expiration_delay = 3000
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def fetch_extra_param(query_args, headers):
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# example:
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#
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# var uxrl='/search?c=main&qlangcountry=en-us&q=south&s=10&rand=1590740241635&n';
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# uxrl=uxrl+'sab=730863287';
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#
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# extra_param --> "rand=1590740241635&nsab=730863287"
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global extra_param, extra_param_ts # pylint: disable=global-statement
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extra_param_ts = time()
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extra_param_path = search_path + urlencode(query_args)
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text = get(base_url + extra_param_path, headers=headers).text
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re_var = None
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for line in text.splitlines():
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if re_var is None and extra_param_path in line:
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var = line.split("=")[0].split()[1] # e.g. var --> 'uxrl'
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re_var = re.compile(var + "\\s*=\\s*" + var + "\\s*\\+\\s*'" + "(.*)" + "'(.*)")
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extra_param = line.split("'")[1][len(extra_param_path) :]
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continue
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if re_var is not None and re_var.search(line):
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extra_param += re_var.search(line).group(1)
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break
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# do search-request
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def request(query, params): # pylint: disable=unused-argument
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query_args = dict(c='main', q=query, dr=1, showgoodimages=0)
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if params['language'] and params['language'] != 'all':
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query_args['qlangcountry'] = params['language']
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query_args['qlang'] = params['language'].split('-')[0]
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if params['safesearch'] >= 1:
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query_args['ff'] = 1
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# see API http://www.gigablast.com/api.html#/search
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# Take into account, that the API has some quirks ..
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if time() > (extra_param_ts + extra_param_expiration_delay):
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fetch_extra_param(query_args, params['headers'])
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query_args['format'] = 'json'
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params['url'] = base_url + search_path + urlencode(query_args) + extra_param
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return params
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# get response from search-request
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def response(resp):
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results = []
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response_json = loads(resp.text)
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# logger.debug('gigablast returns %s results', len(response_json['results']))
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for result in response_json['results']:
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# see "Example JSON Output (&format=json)"
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# at http://www.gigablast.com/api.html#/search
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# sort out meaningless result
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title = result.get('title')
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if len(title) < 2:
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continue
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url = result.get('url')
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if len(url) < 9:
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continue
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content = result.get('sum')
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if len(content) < 5:
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continue
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# extend fields
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subtitle = result.get('title')
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if len(subtitle) > 3 and subtitle != title:
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title += " - " + subtitle
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results.append(dict(url=url, title=title, content=content))
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return results
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