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[enh] Add onions category with Ahmia, Not Evil and Torch 

Xpath engine and results template changed to account for the fact that
archive.org doesn't cache .onions, though some onion engines migth have
their own cache.

Disabled by default. Can be enabled by setting the SOCKS proxies to
wherever Tor is listening and setting using_tor_proxy as True.

Requires Tor and updating packages.

To avoid manually adding the timeout on each engine, you can set
extra_proxy_timeout to account for Tor's (or whatever proxy used) extra
time.
This commit is contained in:
a01200356 2016-05-19 00:38:43 -05:00 committed by Marc Abonce Seguin
parent 0a44fa8bb7
commit c3daa08537
11 changed files with 399 additions and 14 deletions
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1
.gitignore vendored
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@ -15,6 +15,7 @@ setup.cfg
*.pyc
*/*.pyc
*~
*.swp
/node_modules

14
searx/engines/__init__.py
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@ -142,6 +142,17 @@ def load_engine(engine_data):
engine.stats['page_load_time'] = 0
engine.stats['page_load_count'] = 0
# tor related settings
if settings['outgoing'].get('using_tor_proxy'):
# use onion url if using tor.
if hasattr(engine, 'onion_url'):
engine.search_url = engine.onion_url + getattr(engine, 'search_path', '')
elif 'onions' in engine.categories:
# exclude onion engines if not using tor.
return None
engine.timeout += settings['outgoing'].get('extra_proxy_timeout', 0)
for category_name in engine.categories:
categories.setdefault(category_name, []).append(engine)
@ -252,8 +263,9 @@ def get_engines_stats(preferences):
def load_engines(engine_list):
global engines
global engines, engine_shortcuts
engines.clear()
engine_shortcuts.clear()
for engine_data in engine_list:
engine = load_engine(engine_data)
if engine is not None:

82
searx/engines/ahmia.py Normal file
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@ -0,0 +1,82 @@
"""
Ahmia (Onions)
@website http://msydqstlz2kzerdg.onion
@provides-api no
@using-api no
@results HTML
@stable no
@parse url, title, content
"""
from urllib.parse import urlencode, urlparse, parse_qs
from lxml.html import fromstring
from searx.engines.xpath import extract_url, extract_text
# engine config
categories = ['onions']
paging = True
page_size = 10
# search url
search_url = 'http://msydqstlz2kzerdg.onion/search/?{query}'
time_range_support = True
time_range_dict = {'day': 1,
'week': 7,
'month': 30}
# xpaths
results_xpath = '//li[@class="result"]'
url_xpath = './h4/a/@href'
title_xpath = './h4/a[1]'
content_xpath = './/p[1]'
correction_xpath = '//*[@id="didYouMean"]//a'
number_of_results_xpath = '//*[@id="totalResults"]'
def request(query, params):
params['url'] = search_url.format(query=urlencode({'q': query}))
if params['time_range'] in time_range_dict:
params['url'] += '&' + urlencode({'d': time_range_dict[params['time_range']]})
return params
def response(resp):
results = []
dom = fromstring(resp.text)
# trim results so there's not way too many at once
first_result_index = page_size * (resp.search_params.get('pageno', 1) - 1)
all_results = dom.xpath(results_xpath)
trimmed_results = all_results[first_result_index:first_result_index + page_size]
# get results
for result in trimmed_results:
# remove ahmia url and extract the actual url for the result
raw_url = extract_url(result.xpath(url_xpath), search_url)
cleaned_url = parse_qs(urlparse(raw_url).query).get('redirect_url', [''])[0]
title = extract_text(result.xpath(title_xpath))
content = extract_text(result.xpath(content_xpath))
results.append({'url': cleaned_url,
'title': title,
'content': content,
'is_onion': True})
# get spelling corrections
for correction in dom.xpath(correction_xpath):
results.append({'correction': extract_text(correction)})
# get number of results
number_of_results = dom.xpath(number_of_results_xpath)
if number_of_results:
try:
results.append({'number_of_results': int(extract_text(number_of_results))})
except:
pass
return results

64
searx/engines/not_evil.py Normal file
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@ -0,0 +1,64 @@
"""
not Evil (Onions)
@website http://hss3uro2hsxfogfq.onion
@provide-api yes (http://hss3uro2hsxfogfq.onion/api.htm)
@using-api no
@results HTML
@stable no
@parse url, title, content
"""
from urllib.parse import urlencode
from lxml import html
from searx.engines.xpath import extract_text
# engine dependent config
categories = ['onions']
paging = True
page_size = 20
# search-url
base_url = 'http://hss3uro2hsxfogfq.onion/'
search_url = 'index.php?{query}&hostLimit=20&start={pageno}&numRows={page_size}'
# specific xpath variables
results_xpath = '//*[@id="content"]/div/p'
url_xpath = './span[1]'
title_xpath = './a[1]'
content_xpath = './text()'
# do search-request
def request(query, params):
offset = (params['pageno'] - 1) * page_size
params['url'] = base_url + search_url.format(pageno=offset,
query=urlencode({'q': query}),
page_size=page_size)
return params
# get response from search-request
def response(resp):
results = []
# needed because otherwise requests guesses wrong encoding
resp.encoding = 'utf8'
dom = html.fromstring(resp.text)
# parse results
for result in dom.xpath(results_xpath):
url = extract_text(result.xpath(url_xpath)[0])
title = extract_text(result.xpath(title_xpath)[0])
content = extract_text(result.xpath(content_xpath))
# append result
results.append({'url': url,
'title': title,
'content': content,
'is_onion': True})
return results

30
searx/engines/xpath.py
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@ -10,6 +10,8 @@ thumbnail_xpath = False
paging = False
suggestion_xpath = ''
results_xpath = ''
cached_xpath = ''
cached_url = ''
# parameters for engines with paging support
#
@ -36,6 +38,8 @@ def request(query, params):
def response(resp):
results = []
dom = html.fromstring(resp.text)
is_onion = True if 'onions' in categories else False
if results_xpath:
for result in eval_xpath(dom, results_xpath):
url = extract_url(eval_xpath(result, url_xpath), search_url)
@ -49,15 +53,33 @@ def response(resp):
if len(thumbnail_xpath_result) > 0:
tmp_result['img_src'] = extract_url(thumbnail_xpath_result, search_url)
# add alternative cached url if available
if cached_xpath:
tmp_result['cached_url'] = cached_url + extract_text(result.xpath(cached_xpath))
if is_onion:
tmp_result['is_onion'] = True
results.append(tmp_result)
else:
if cached_xpath:
for url, title, content, cached in zip(
(extract_url(x, search_url) for
x in dom.xpath(url_xpath)),
map(extract_text, dom.xpath(title_xpath)),
map(extract_text, dom.xpath(content_xpath)),
map(extract_text, dom.xpath(cached_xpath))
):
results.append({'url': url, 'title': title, 'content': content,
'cached_url': cached_url + cached, 'is_onion': is_onion})
else:
for url, title, content in zip(
(extract_url(x, search_url) for
x in eval_xpath(dom, url_xpath)),
map(extract_text, eval_xpath(dom, title_xpath)),
map(extract_text, eval_xpath(dom, content_xpath))
x in dom.xpath(url_xpath)),
map(extract_text, dom.xpath(title_xpath)),
map(extract_text, dom.xpath(content_xpath))
):
results.append({'url': url, 'title': title, 'content': content})
results.append({'url': url, 'title': title, 'content': content, 'is_onion': is_onion})
if not suggestion_xpath:
return results

29
searx/settings.yml
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@ -60,8 +60,10 @@ outgoing: # communication with search engines
# see http://docs.python-requests.org/en/latest/user/advanced/#proxies
# SOCKS proxies are also supported: see http://requests.readthedocs.io/en/master/user/advanced/#socks
# proxies :
# http : http://127.0.0.1:8080
# https: http://127.0.0.1:8080
# http : socks5h://127.0.0.1:9050
# https: socks5h://127.0.0.1:9050
# using_tor_proxy : True
# extra_proxy_timeout : 10.0 # Extra seconds to add in order to account for the time taken by the proxy
# uncomment below section only if you have more than one network interface
# which can be the source of outgoing search requests
# source_ips:
@ -89,6 +91,12 @@ engines:
shortcut: apkm
disabled: True
# Requires Tor
- name : ahmia
engine : ahmia
categories : onions
shortcut : ah
- name : arch linux wiki
engine : archlinux
shortcut : al
@ -514,6 +522,11 @@ engines:
timeout: 5.0
shortcut : npm
# Requires Tor
- name : not evil
engine : not_evil
shortcut : ne
- name : nyaa
engine : nyaa
shortcut : nt
@ -698,6 +711,18 @@ engines:
url: https://torrentz2.eu/
timeout : 3.0
# Requires Tor
- name : torch
engine : xpath
paging : True
search_url : http://xmh57jrknzkhv6y3ls3ubitzfqnkrwxhopf5aygthi7d6rplyvk3noyd.onion/cgi-bin/omega/omega?P={query}&DEFAULTOP=and
results_xpath : //table//tr
url_xpath : ./td[2]/a
title_xpath : ./td[2]/b
content_xpath : ./td[2]/small
categories : onions
shortcut : tch
- name : twitter
engine : twitter
shortcut : tw

7
searx/templates/legacy/result_templates/default.html
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@ -1,6 +1,11 @@
<div class="result {{ result.class }}{% for e in result.engines %} {{ e }}{% endfor %}">
<h3 class="result_title">{% if "icon_"~result.engine~".ico" in favicons %}<img width="14" height="14" class="favicon" src="{{ url_for('static', filename='img/icons/icon_'+result.engine+'.ico') }}" alt="{{result.engine}}" />{% endif %}<a href="{{ result.url }}" {% if results_on_new_tab %}target="_blank" rel="noopener noreferrer"{% else %}rel="noreferrer"{% endif %}>{{ result.title|safe }}</a></h3>
<p class="url">{{ result.pretty_url }}&lrm; <a class="cache_link" href="https://web.archive.org/web/{{ result.url }}" {% if results_on_new_tab %}target="_blank" rel="noopener noreferrer"{% else %}rel="noreferrer"{% endif %}>{{ _('cached') }}</a>
<p class="url">{{ result.pretty_url }}&lrm;
{% if result.cached_url %}
<a class="cache_link" href="{{ result.cached_url }}" {% if results_on_new_tab %}target="_blank" rel="noopener noreferrer"{% else %}rel="noreferrer"{% endif %}>{{ _('cached') }}</a>
{% elif not result.is_onion %}
<a class="cache_link" href="https://web.archive.org/web/{{ result.url }}" {% if results_on_new_tab %}target="_blank" rel="noopener noreferrer"{% else %}rel="noreferrer"{% endif %}>{{ _('cached') }}</a>
{% endif %}
{% if result.publishedDate %}<span class="published_date">{{ result.publishedDate }}</span>{% endif %}</p>
<p class="content">{% if result.img_src %}<img src="{{ image_proxify(result.img_src) }}" class="image" />{% endif %}{% if result.content %}{{ result.content|safe }}<br class="last"/>{% endif %}</p>
</div>

8
searx/templates/oscar/macros.html
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@ -32,7 +32,11 @@
<span class="label label-default">{{ engine }}</span>
{%- endfor -%}
{%- if result.url -%}
{% if result.cached_url %}
<small>{{ result_link(result.cached_url, icon('link') + _('cached'), "text-info", id) }}</small>
{% elif not result.is_onion %}
<small>{{ result_link("https://web.archive.org/web/" + result.url, icon('link') + _('cached'), "text-info", id) }}</small>
{% endif %}
{%- endif -%}
{%- if proxify -%}
<small>{{ result_link(proxify(result.url), icon('sort') + _('proxied'), "text-info", id) }}</small>
@ -50,7 +54,11 @@
<span class="label label-default">{{ engine }}</span>
{%- endfor %}
{%- if result.url -%}
{% if result.cached_url %}
<small>{{ result_link(result.cached_url, icon('link') + _('cached'), "text-info", id) }}</small>
{% elif not result.is_onion %}
<small>{{ result_link("https://web.archive.org/web/" + result.url, icon('link') + _('cached'), "text-info", id) }}</small>
{% endif %}
{%- endif -%}
{% if proxify -%}
<small>{{ result_link(proxify(result.url), icon('sort') + _('proxied'), "text-info", id) }}</small>

1
searx/webapp.py
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@ -146,6 +146,7 @@ _category_names = (gettext('files'),
gettext('it'),
gettext('news'),
gettext('map'),
gettext('onions'),
gettext('science'))
outgoing_proxies = settings['outgoing'].get('proxies') or None

121
tests/unit/engines/test_xpath.py Normal file
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@ -0,0 +1,121 @@
# -*- coding: utf-8 -*-
from collections import defaultdict
import mock
from searx.engines import xpath
from searx.testing import SearxTestCase
class TestXpathEngine(SearxTestCase):
def test_request(self):
xpath.search_url = 'https://url.com/{query}'
xpath.categories = []
xpath.paging = False
query = 'test_query'
dicto = defaultdict(dict)
params = xpath.request(query, dicto)
self.assertIn('url', params)
self.assertEquals('https://url.com/test_query', params['url'])
xpath.search_url = 'https://url.com/q={query}&p={pageno}'
xpath.paging = True
query = 'test_query'
dicto = defaultdict(dict)
dicto['pageno'] = 1
params = xpath.request(query, dicto)
self.assertIn('url', params)
self.assertEquals('https://url.com/q=test_query&p=1', params['url'])
def test_response(self):
# without results_xpath
xpath.url_xpath = '//div[@class="search_result"]//a[@class="result"]/@href'
xpath.title_xpath = '//div[@class="search_result"]//a[@class="result"]'
xpath.content_xpath = '//div[@class="search_result"]//p[@class="content"]'
self.assertRaises(AttributeError, xpath.response, None)
self.assertRaises(AttributeError, xpath.response, [])
self.assertRaises(AttributeError, xpath.response, '')
self.assertRaises(AttributeError, xpath.response, '[]')
response = mock.Mock(text='<html></html>')
self.assertEqual(xpath.response(response), [])
html = u"""
<div>
<div class="search_result">
<a class="result" href="https://result1.com">Result 1</a>
<p class="content">Content 1</p>
<a class="cached" href="https://cachedresult1.com">Cache</a>
</div>
<div class="search_result">
<a class="result" href="https://result2.com">Result 2</a>
<p class="content">Content 2</p>
<a class="cached" href="https://cachedresult2.com">Cache</a>
</div>
</div>
"""
response = mock.Mock(text=html)
results = xpath.response(response)
self.assertEqual(type(results), list)
self.assertEqual(len(results), 2)
self.assertEqual(results[0]['title'], 'Result 1')
self.assertEqual(results[0]['url'], 'https://result1.com/')
self.assertEqual(results[0]['content'], 'Content 1')
self.assertEqual(results[1]['title'], 'Result 2')
self.assertEqual(results[1]['url'], 'https://result2.com/')
self.assertEqual(results[1]['content'], 'Content 2')
# with cached urls, without results_xpath
xpath.cached_xpath = '//div[@class="search_result"]//a[@class="cached"]/@href'
results = xpath.response(response)
self.assertEqual(type(results), list)
self.assertEqual(len(results), 2)
self.assertEqual(results[0]['cached_url'], 'https://cachedresult1.com')
self.assertEqual(results[1]['cached_url'], 'https://cachedresult2.com')
self.assertFalse(results[0].get('is_onion', False))
# results are onion urls (no results_xpath)
xpath.categories = ['onions']
results = xpath.response(response)
self.assertTrue(results[0]['is_onion'])
# with results_xpath
xpath.results_xpath = '//div[@class="search_result"]'
xpath.url_xpath = './/a[@class="result"]/@href'
xpath.title_xpath = './/a[@class="result"]'
xpath.content_xpath = './/p[@class="content"]'
xpath.cached_xpath = None
xpath.categories = []
self.assertRaises(AttributeError, xpath.response, None)
self.assertRaises(AttributeError, xpath.response, [])
self.assertRaises(AttributeError, xpath.response, '')
self.assertRaises(AttributeError, xpath.response, '[]')
response = mock.Mock(text='<html></html>')
self.assertEqual(xpath.response(response), [])
response = mock.Mock(text=html)
results = xpath.response(response)
self.assertEqual(type(results), list)
self.assertEqual(len(results), 2)
self.assertEqual(results[0]['title'], 'Result 1')
self.assertEqual(results[0]['url'], 'https://result1.com/')
self.assertEqual(results[0]['content'], 'Content 1')
self.assertEqual(results[1]['title'], 'Result 2')
self.assertEqual(results[1]['url'], 'https://result2.com/')
self.assertEqual(results[1]['content'], 'Content 2')
# with cached urls, with results_xpath
xpath.cached_xpath = './/a[@class="cached"]/@href'
results = xpath.response(response)
self.assertEqual(type(results), list)
self.assertEqual(len(results), 2)
self.assertEqual(results[0]['cached_url'], 'https://cachedresult1.com')
self.assertEqual(results[1]['cached_url'], 'https://cachedresult2.com')
self.assertFalse(results[0].get('is_onion', False))
# results are onion urls (with results_xpath)
xpath.categories = ['onions']
results = xpath.response(response)
self.assertTrue(results[0]['is_onion'])

44
tests/unit/test_engines_init.py Normal file
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@ -0,0 +1,44 @@
from searx.testing import SearxTestCase
from searx import settings, engines
class TestEnginesInit(SearxTestCase):
@classmethod
def tearDownClass(cls):
settings['outgoing']['using_tor_proxy'] = False
settings['outgoing']['extra_proxy_timeout'] = 0
def test_initialize_engines_default(self):
engine_list = [{'engine': 'dummy', 'name': 'engine1', 'shortcut': 'e1'},
{'engine': 'dummy', 'name': 'engine2', 'shortcut': 'e2'}]
engines.initialize_engines(engine_list)
self.assertEqual(len(engines.engines), 2)
self.assertIn('engine1', engines.engines)
self.assertIn('engine2', engines.engines)
def test_initialize_engines_exclude_onions(self):
settings['outgoing']['using_tor_proxy'] = False
engine_list = [{'engine': 'dummy', 'name': 'engine1', 'shortcut': 'e1', 'categories': 'general'},
{'engine': 'dummy', 'name': 'engine2', 'shortcut': 'e2', 'categories': 'onions'}]
engines.initialize_engines(engine_list)
self.assertEqual(len(engines.engines), 1)
self.assertIn('engine1', engines.engines)
self.assertNotIn('onions', engines.categories)
def test_initialize_engines_include_onions(self):
settings['outgoing']['using_tor_proxy'] = True
settings['outgoing']['extra_proxy_timeout'] = 100.0
engine_list = [{'engine': 'dummy', 'name': 'engine1', 'shortcut': 'e1', 'categories': 'general',
'timeout': 20.0, 'onion_url': 'http://engine1.onion'},
{'engine': 'dummy', 'name': 'engine2', 'shortcut': 'e2', 'categories': 'onions'}]
engines.initialize_engines(engine_list)
self.assertEqual(len(engines.engines), 2)
self.assertIn('engine1', engines.engines)
self.assertIn('engine2', engines.engines)
self.assertIn('onions', engines.categories)
self.assertIn('http://engine1.onion', engines.engines['engine1'].search_url)
self.assertEqual(engines.engines['engine1'].timeout, 120.0)