diff options
Diffstat (limited to 'searx/engines/google.py')
| -rw-r--r-- | searx/engines/google.py | 271 |
1 files changed, 248 insertions, 23 deletions
diff --git a/searx/engines/google.py b/searx/engines/google.py index 807c58ed5..0e78a9e2c 100644 --- a/searx/engines/google.py +++ b/searx/engines/google.py @@ -8,39 +8,126 @@ # @stable no (HTML can change) # @parse url, title, content, suggestion +import re from urllib import urlencode from urlparse import urlparse, parse_qsl from lxml import html from searx.poolrequests import get from searx.engines.xpath import extract_text, extract_url + # engine dependent config categories = ['general'] paging = True language_support = True +use_locale_domain = True + +# based on https://en.wikipedia.org/wiki/List_of_Google_domains and tests +default_hostname = 'www.google.com' + +country_to_hostname = { + 'BG': 'www.google.bg', # Bulgaria + 'CZ': 'www.google.cz', # Czech Republic + 'DE': 'www.google.de', # Germany + 'DK': 'www.google.dk', # Denmark + 'AT': 'www.google.at', # Austria + 'CH': 'www.google.ch', # Switzerland + 'GR': 'www.google.gr', # Greece + 'AU': 'www.google.com.au', # Australia + 'CA': 'www.google.ca', # Canada + 'GB': 'www.google.co.uk', # United Kingdom + 'ID': 'www.google.co.id', # Indonesia + 'IE': 'www.google.ie', # Ireland + 'IN': 'www.google.co.in', # India + 'MY': 'www.google.com.my', # Malaysia + 'NZ': 'www.google.co.nz', # New Zealand + 'PH': 'www.google.com.ph', # Philippines + 'SG': 'www.google.com.sg', # Singapore + # 'US': 'www.google.us', # United State, redirect to .com + 'ZA': 'www.google.co.za', # South Africa + 'AR': 'www.google.com.ar', # Argentina + 'CL': 'www.google.cl', # Chile + 'ES': 'www.google.es', # Span + 'MX': 'www.google.com.mx', # Mexico + 'EE': 'www.google.ee', # Estonia + 'FI': 'www.google.fi', # Finland + 'BE': 'www.google.be', # Belgium + 'FR': 'www.google.fr', # France + 'IL': 'www.google.co.il', # Israel + 'HR': 'www.google.hr', # Croatia + 'HU': 'www.google.hu', # Hungary + 'IT': 'www.google.it', # Italy + 'JP': 'www.google.co.jp', # Japan + 'KR': 'www.google.co.kr', # South Korean + 'LT': 'www.google.lt', # Lithuania + 'LV': 'www.google.lv', # Latvia + 'NO': 'www.google.no', # Norway + 'NL': 'www.google.nl', # Netherlands + 'PL': 'www.google.pl', # Poland + 'BR': 'www.google.com.br', # Brazil + 'PT': 'www.google.pt', # Portugal + 'RO': 'www.google.ro', # Romania + 'RU': 'www.google.ru', # Russia + 'SK': 'www.google.sk', # Slovakia + 'SL': 'www.google.si', # Slovenia (SL -> si) + 'SE': 'www.google.se', # Sweden + 'TH': 'www.google.co.th', # Thailand + 'TR': 'www.google.com.tr', # Turkey + 'UA': 'www.google.com.ua', # Ikraine + # 'CN': 'www.google.cn', # China, only from china ? + 'HK': 'www.google.com.hk', # Hong kong + 'TW': 'www.google.com.tw' # Taiwan +} + +# osm +url_map = 'https://www.openstreetmap.org/'\ + + '?lat={latitude}&lon={longitude}&zoom={zoom}&layers=M' # search-url -google_hostname = 'www.google.com' search_path = '/search' -redirect_path = '/url' -images_path = '/images' -search_url = ('https://' + - google_hostname + +search_url = ('https://{hostname}' + search_path + '?{query}&start={offset}&gbv=1') +# other URLs +map_hostname_start = 'maps.google.' +maps_path = '/maps' +redirect_path = '/url' +images_path = '/images' + # specific xpath variables results_xpath = '//li[@class="g"]' url_xpath = './/h3/a/@href' title_xpath = './/h3' content_xpath = './/span[@class="st"]' +content_misc_xpath = './/div[@class="f slp"]' suggestion_xpath = '//p[@class="_Bmc"]' +# map : detail location +map_address_xpath = './/div[@class="s"]//table//td[2]/span/text()' +map_phone_xpath = './/div[@class="s"]//table//td[2]/span/span' +map_website_url_xpath = 'h3[2]/a/@href' +map_website_title_xpath = 'h3[2]' + +# map : near the location +map_near = 'table[@class="ts"]//tr' +map_near_title = './/h4' +map_near_url = './/h4/a/@href' +map_near_phone = './/span[@class="nobr"]' + +# images images_xpath = './/div/a' image_url_xpath = './@href' image_img_src_xpath = './img/@src' +# property names +# FIXME : no translation +property_address = "Address" +property_phone = "Phone number" + +# cookies pref_cookie = '' +nid_cookie = {} # see https://support.google.com/websearch/answer/873?hl=en @@ -52,8 +139,21 @@ def get_google_pref_cookie(): return pref_cookie +def get_google_nid_cookie(google_hostname): + global nid_cookie + if google_hostname not in nid_cookie: + resp = get('https://' + google_hostname) + nid_cookie[google_hostname] = resp.cookies.get("NID", None) + return nid_cookie[google_hostname] + + # remove google-specific tracking-url -def parse_url(url_string): +def parse_url(url_string, google_hostname): + # sanity check + if url_string is None: + return url_string + + # normal case parsed_url = urlparse(url_string) if (parsed_url.netloc in [google_hostname, ''] and parsed_url.path == redirect_path): @@ -63,21 +163,45 @@ def parse_url(url_string): return url_string +# returns extract_text on the first result selected by the xpath or None +def extract_text_from_dom(result, xpath): + r = result.xpath(xpath) + if len(r) > 0: + return extract_text(r[0]) + return None + + # do search-request def request(query, params): offset = (params['pageno'] - 1) * 10 if params['language'] == 'all': language = 'en' + country = 'US' else: - language = params['language'].replace('_', '-').lower() + language_array = params['language'].lower().split('_') + if len(language_array) == 2: + country = language_array[1] + else: + country = 'US' + language = language_array[0] + ',' + language_array[0] + '-' + country + + if use_locale_domain: + google_hostname = country_to_hostname.get(country.upper(), default_hostname) + else: + google_hostname = default_hostname params['url'] = search_url.format(offset=offset, - query=urlencode({'q': query})) + query=urlencode({'q': query}), + hostname=google_hostname) params['headers']['Accept-Language'] = language - if language.startswith('en'): + params['headers']['Accept'] = 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' + if google_hostname == default_hostname: params['cookies']['PREF'] = get_google_pref_cookie() + params['cookies']['NID'] = get_google_nid_cookie(google_hostname) + + params['google_hostname'] = google_hostname return params @@ -86,33 +210,63 @@ def request(query, params): def response(resp): results = [] + # detect google sorry + resp_url = urlparse(resp.url) + if resp_url.netloc == 'sorry.google.com' or resp_url.path == '/sorry/IndexRedirect': + raise RuntimeWarning('sorry.google.com') + + # which hostname ? + google_hostname = resp.search_params.get('google_hostname') + google_url = "https://" + google_hostname + + # convert the text to dom dom = html.fromstring(resp.text) # parse results for result in dom.xpath(results_xpath): title = extract_text(result.xpath(title_xpath)[0]) try: - url = parse_url(extract_url(result.xpath(url_xpath), search_url)) - parsed_url = urlparse(url) - if (parsed_url.netloc == google_hostname - and parsed_url.path == search_path): - # remove the link to google news - continue + url = parse_url(extract_url(result.xpath(url_xpath), google_url), google_hostname) + parsed_url = urlparse(url, google_hostname) + + # map result + if ((parsed_url.netloc == google_hostname and parsed_url.path.startswith(maps_path)) + or (parsed_url.netloc.startswith(map_hostname_start))): + x = result.xpath(map_near) + if len(x) > 0: + # map : near the location + results = results + parse_map_near(parsed_url, x, google_hostname) + else: + # map : detail about a location + results = results + parse_map_detail(parsed_url, result, google_hostname) + + # google news + elif (parsed_url.netloc == google_hostname + and parsed_url.path == search_path): + # skipping news results + pass # images result - if (parsed_url.netloc == google_hostname - and parsed_url.path == images_path): + elif (parsed_url.netloc == google_hostname + and parsed_url.path == images_path): # only thumbnail image provided, # so skipping image results - # results = results + parse_images(result) + # results = results + parse_images(result, google_hostname) pass + else: # normal result - content = extract_text(result.xpath(content_xpath)[0]) + content = extract_text_from_dom(result, content_xpath) + if content is None: + continue + content_misc = extract_text_from_dom(result, content_misc_xpath) + if content_misc is not None: + content = content_misc + "<br />" + content # append result results.append({'url': url, 'title': title, - 'content': content}) + 'content': content + }) except: continue @@ -125,10 +279,10 @@ def response(resp): return results -def parse_images(result): +def parse_images(result, google_hostname): results = [] for image in result.xpath(images_xpath): - url = parse_url(extract_text(image.xpath(image_url_xpath)[0])) + url = parse_url(extract_text(image.xpath(image_url_xpath)[0]), google_hostname) img_src = extract_text(image.xpath(image_img_src_xpath)[0]) # append result @@ -136,6 +290,77 @@ def parse_images(result): 'title': '', 'content': '', 'img_src': img_src, - 'template': 'images.html'}) + 'template': 'images.html' + }) + + return results + + +def parse_map_near(parsed_url, x, google_hostname): + results = [] + + for result in x: + title = extract_text_from_dom(result, map_near_title) + url = parse_url(extract_text_from_dom(result, map_near_url), google_hostname) + attributes = [] + phone = extract_text_from_dom(result, map_near_phone) + add_attributes(attributes, property_phone, phone, 'tel:' + phone) + results.append({'title': title, + 'url': url, + 'content': attributes_to_html(attributes) + }) return results + + +def parse_map_detail(parsed_url, result, google_hostname): + results = [] + + # try to parse the geoloc + m = re.search('@([0-9\.]+),([0-9\.]+),([0-9]+)', parsed_url.path) + if m is None: + m = re.search('ll\=([0-9\.]+),([0-9\.]+)\&z\=([0-9]+)', parsed_url.query) + + if m is not None: + # geoloc found (ignored) + lon = float(m.group(2)) # noqa + lat = float(m.group(1)) # noqa + zoom = int(m.group(3)) # noqa + + # attributes + attributes = [] + address = extract_text_from_dom(result, map_address_xpath) + phone = extract_text_from_dom(result, map_phone_xpath) + add_attributes(attributes, property_address, address, 'geo:' + str(lat) + ',' + str(lon)) + add_attributes(attributes, property_phone, phone, 'tel:' + phone) + + # title / content / url + website_title = extract_text_from_dom(result, map_website_title_xpath) + content = extract_text_from_dom(result, content_xpath) + website_url = parse_url(extract_text_from_dom(result, map_website_url_xpath), google_hostname) + + # add a result if there is a website + if website_url is not None: + results.append({'title': website_title, + 'content': (content + '<br />' if content is not None else '') + + attributes_to_html(attributes), + 'url': website_url + }) + + return results + + +def add_attributes(attributes, name, value, url): + if value is not None and len(value) > 0: + attributes.append({'label': name, 'value': value, 'url': url}) + + +def attributes_to_html(attributes): + retval = '<table class="table table-striped">' + for a in attributes: + value = a.get('value') + if 'url' in a: + value = '<a href="' + a.get('url') + '">' + value + '</a>' + retval = retval + '<tr><th>' + a.get('label') + '</th><td>' + value + '</td></tr>' + retval = retval + '</table>' + return retval |