searxng/searx/webapp.py

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2013-10-14 21:09:13 +00:00
#!/usr/bin/env python
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'''
searx is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
searx is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with searx. If not, see < http://www.gnu.org/licenses/ >.
(C) 2013- by Adam Tauber, <asciimoo@gmail.com>
'''
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if __name__ == '__main__':
from sys import path
from os.path import realpath, dirname
path.append(realpath(dirname(realpath(__file__)) + '/../'))
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import hashlib
import hmac
import json
import os
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import sys
import requests
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from searx import logger
logger = logger.getChild('webapp')
try:
from pygments import highlight
from pygments.lexers import get_lexer_by_name
from pygments.formatters import HtmlFormatter
except:
logger.critical("cannot import dependency: pygments")
from sys import exit
exit(1)
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from cgi import escape
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from datetime import datetime, timedelta
from werkzeug.contrib.fixers import ProxyFix
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from flask import (
Flask, request, render_template, url_for, Response, make_response,
redirect, send_from_directory
)
from flask_babel import Babel, gettext, format_date, format_decimal
from flask.json import jsonify
from searx import settings, searx_dir, searx_debug
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from searx.exceptions import SearxParameterException
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from searx.engines import (
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categories, engines, engine_shortcuts, get_engines_stats, initialize_engines
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)
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from searx.utils import (
UnicodeWriter, highlight_content, html_to_text, get_resources_directory,
get_static_files, get_result_templates, get_themes, gen_useragent,
dict_subset, prettify_url, match_language
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)
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from searx.version import VERSION_STRING
from searx.languages import language_codes as languages
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from searx.search import SearchWithPlugins, get_search_query_from_webapp
from searx.query import RawTextQuery
from searx.autocomplete import searx_bang, backends as autocomplete_backends
from searx.plugins import plugins
from searx.plugins.oa_doi_rewrite import get_doi_resolver
from searx.preferences import Preferences, ValidationException, LANGUAGE_CODES
from searx.answerers import answerers
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from searx.url_utils import urlencode, urlparse, urljoin
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from searx.utils import new_hmac
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# check if the pyopenssl package is installed.
# It is needed for SSL connection without trouble, see #298
try:
import OpenSSL.SSL # NOQA
except ImportError:
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logger.critical("The pyopenssl package has to be installed.\n"
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"Some HTTPS connections will fail")
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try:
from cStringIO import StringIO
except:
from io import StringIO
if sys.version_info[0] == 3:
unicode = str
PY3 = True
else:
PY3 = False
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# serve pages with HTTP/1.1
from werkzeug.serving import WSGIRequestHandler
WSGIRequestHandler.protocol_version = "HTTP/{}".format(settings['server'].get('http_protocol_version', '1.0'))
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# about static
static_path = get_resources_directory(searx_dir, 'static', settings['ui']['static_path'])
logger.debug('static directory is %s', static_path)
static_files = get_static_files(static_path)
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# about templates
default_theme = settings['ui']['default_theme']
templates_path = get_resources_directory(searx_dir, 'templates', settings['ui']['templates_path'])
logger.debug('templates directory is %s', templates_path)
themes = get_themes(templates_path)
result_templates = get_result_templates(templates_path)
global_favicons = []
for indice, theme in enumerate(themes):
global_favicons.append([])
theme_img_path = os.path.join(static_path, 'themes', theme, 'img', 'icons')
for (dirpath, dirnames, filenames) in os.walk(theme_img_path):
global_favicons[indice].extend(filenames)
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# Flask app
app = Flask(
__name__,
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static_folder=static_path,
template_folder=templates_path
)
app.jinja_env.trim_blocks = True
app.jinja_env.lstrip_blocks = True
app.secret_key = settings['server']['secret_key']
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if not searx_debug \
or os.environ.get("WERKZEUG_RUN_MAIN") == "true" \
or os.environ.get('UWSGI_ORIGINAL_PROC_NAME') is not None:
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initialize_engines(settings['engines'])
babel = Babel(app)
rtl_locales = ['ar', 'arc', 'bcc', 'bqi', 'ckb', 'dv', 'fa', 'glk', 'he',
'ku', 'mzn', 'pnb', 'ps', 'sd', 'ug', 'ur', 'yi']
# used when translating category names
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_category_names = (gettext('files'),
gettext('general'),
gettext('music'),
gettext('social media'),
gettext('images'),
gettext('videos'),
gettext('it'),
gettext('news'),
gettext('map'),
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gettext('science'))
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outgoing_proxies = settings['outgoing'].get('proxies') or None
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@babel.localeselector
def get_locale():
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locale = request.accept_languages.best_match(settings['locales'].keys())
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if request.preferences.get_value('locale') != '':
locale = request.preferences.get_value('locale')
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if 'locale' in request.args\
and request.args['locale'] in settings['locales']:
locale = request.args['locale']
if 'locale' in request.form\
and request.form['locale'] in settings['locales']:
locale = request.form['locale']
if locale == 'zh_TW':
locale = 'zh_Hant_TW'
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return locale
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# code-highlighter
@app.template_filter('code_highlighter')
def code_highlighter(codelines, language=None):
if not language:
language = 'text'
try:
# find lexer by programing language
lexer = get_lexer_by_name(language, stripall=True)
except:
# if lexer is not found, using default one
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logger.debug('highlighter cannot find lexer for {0}'.format(language))
lexer = get_lexer_by_name('text', stripall=True)
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html_code = ''
tmp_code = ''
last_line = None
# parse lines
for line, code in codelines:
if not last_line:
line_code_start = line
# new codeblock is detected
if last_line is not None and\
last_line + 1 != line:
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# highlight last codepart
formatter = HtmlFormatter(linenos='inline',
linenostart=line_code_start)
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html_code = html_code + highlight(tmp_code, lexer, formatter)
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# reset conditions for next codepart
tmp_code = ''
line_code_start = line
# add codepart
tmp_code += code + '\n'
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# update line
last_line = line
# highlight last codepart
formatter = HtmlFormatter(linenos='inline', linenostart=line_code_start)
html_code = html_code + highlight(tmp_code, lexer, formatter)
return html_code
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# Extract domain from url
@app.template_filter('extract_domain')
def extract_domain(url):
return urlparse(url)[1]
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def get_base_url():
if settings['server']['base_url']:
hostname = settings['server']['base_url']
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else:
scheme = 'http'
if request.is_secure:
scheme = 'https'
hostname = url_for('index', _external=True, _scheme=scheme)
return hostname
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def get_current_theme_name(override=None):
"""Returns theme name.
Checks in this order:
1. override
2. cookies
3. settings"""
if override and (override in themes or override == '__common__'):
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return override
theme_name = request.args.get('theme', request.preferences.get_value('theme'))
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if theme_name not in themes:
theme_name = default_theme
return theme_name
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def get_result_template(theme, template_name):
themed_path = theme + '/result_templates/' + template_name
if themed_path in result_templates:
return themed_path
return 'result_templates/' + template_name
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def url_for_theme(endpoint, override_theme=None, **values):
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if endpoint == 'static' and values.get('filename'):
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theme_name = get_current_theme_name(override=override_theme)
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filename_with_theme = "themes/{}/{}".format(theme_name, values['filename'])
if filename_with_theme in static_files:
values['filename'] = filename_with_theme
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return url_for(endpoint, **values)
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def proxify(url):
if url.startswith('//'):
url = 'https:' + url
if not settings.get('result_proxy'):
return url
url_params = dict(mortyurl=url.encode('utf-8'))
if settings['result_proxy'].get('key'):
url_params['mortyhash'] = hmac.new(settings['result_proxy']['key'],
url.encode('utf-8'),
hashlib.sha256).hexdigest()
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return '{0}?{1}'.format(settings['result_proxy']['url'],
urlencode(url_params))
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def image_proxify(url):
if url.startswith('//'):
url = 'https:' + url
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if not request.preferences.get_value('image_proxy'):
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return url
if settings.get('result_proxy'):
return proxify(url)
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h = new_hmac(settings['server']['secret_key'], url.encode('utf-8'))
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return '{0}?{1}'.format(url_for('image_proxy'),
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urlencode(dict(url=url.encode('utf-8'), h=h)))
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def render(template_name, override_theme=None, **kwargs):
disabled_engines = request.preferences.engines.get_disabled()
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enabled_categories = set(category for engine_name in engines
for category in engines[engine_name].categories
if (engine_name, category) not in disabled_engines)
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if 'categories' not in kwargs:
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kwargs['categories'] = ['general']
kwargs['categories'].extend(x for x in
sorted(categories.keys())
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if x != 'general'
and x in enabled_categories)
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if 'all_categories' not in kwargs:
kwargs['all_categories'] = ['general']
kwargs['all_categories'].extend(x for x in
sorted(categories.keys())
if x != 'general')
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if 'selected_categories' not in kwargs:
kwargs['selected_categories'] = []
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for arg in request.args:
if arg.startswith('category_'):
c = arg.split('_', 1)[1]
if c in categories:
kwargs['selected_categories'].append(c)
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if not kwargs['selected_categories']:
cookie_categories = request.preferences.get_value('categories')
for ccateg in cookie_categories:
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kwargs['selected_categories'].append(ccateg)
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if not kwargs['selected_categories']:
kwargs['selected_categories'] = ['general']
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if 'autocomplete' not in kwargs:
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kwargs['autocomplete'] = request.preferences.get_value('autocomplete')
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if get_locale() in rtl_locales and 'rtl' not in kwargs:
kwargs['rtl'] = True
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kwargs['searx_version'] = VERSION_STRING
kwargs['method'] = request.preferences.get_value('method')
kwargs['safesearch'] = str(request.preferences.get_value('safesearch'))
kwargs['language_codes'] = languages
if 'current_language' not in kwargs:
kwargs['current_language'] = match_language(request.preferences.get_value('language'),
LANGUAGE_CODES,
fallback=settings['search']['language'])
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# override url_for function in templates
kwargs['url_for'] = url_for_theme
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kwargs['image_proxify'] = image_proxify
kwargs['proxify'] = proxify if settings.get('result_proxy', {}).get('url') else None
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kwargs['get_result_template'] = get_result_template
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kwargs['theme'] = get_current_theme_name(override=override_theme)
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kwargs['template_name'] = template_name
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kwargs['cookies'] = request.cookies
kwargs['errors'] = request.errors
kwargs['instance_name'] = settings['general']['instance_name']
kwargs['results_on_new_tab'] = request.preferences.get_value('results_on_new_tab')
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kwargs['unicode'] = unicode
kwargs['preferences'] = request.preferences
kwargs['scripts'] = set()
for plugin in request.user_plugins:
for script in plugin.js_dependencies:
kwargs['scripts'].add(script)
kwargs['styles'] = set()
for plugin in request.user_plugins:
for css in plugin.css_dependencies:
kwargs['styles'].add(css)
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return render_template(
'{}/{}'.format(kwargs['theme'], template_name), **kwargs)
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@app.before_request
def pre_request():
request.errors = []
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preferences = Preferences(themes, list(categories.keys()), engines, plugins)
request.preferences = preferences
try:
preferences.parse_dict(request.cookies)
except:
request.errors.append(gettext('Invalid settings, please edit your preferences'))
# merge GET, POST vars
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
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# request.form
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request.form = dict(request.form.items())
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for k, v in request.args.items():
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if k not in request.form:
request.form[k] = v
if request.form.get('preferences'):
preferences.parse_encoded_data(request.form['preferences'])
else:
try:
preferences.parse_dict(request.form)
except Exception as e:
logger.exception('invalid settings')
request.errors.append(gettext('Invalid settings'))
2015-03-10 19:44:02 +00:00
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
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# request.user_plugins
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request.user_plugins = []
allowed_plugins = preferences.plugins.get_enabled()
disabled_plugins = preferences.plugins.get_disabled()
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for plugin in plugins:
if ((plugin.default_on and plugin.id not in disabled_plugins)
or plugin.id in allowed_plugins):
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request.user_plugins.append(plugin)
def index_error(output_format, error_message):
if output_format == 'json':
return Response(json.dumps({'error': error_message}),
mimetype='application/json')
elif output_format == 'csv':
response = Response('', mimetype='application/csv')
cont_disp = 'attachment;Filename=searx.csv'
response.headers.add('Content-Disposition', cont_disp)
return response
elif output_format == 'rss':
response_rss = render(
'opensearch_response_rss.xml',
results=[],
q=request.form['q'] if 'q' in request.form else '',
number_of_results=0,
base_url=get_base_url(),
error_message=error_message,
override_theme='__common__',
)
return Response(response_rss, mimetype='text/xml')
else:
# html
request.errors.append(gettext('search error'))
return render(
'index.html',
)
@app.route('/search', methods=['GET', 'POST'])
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@app.route('/', methods=['GET', 'POST'])
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def index():
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"""Render index page.
Supported outputs: html, json, csv, rss.
"""
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# output_format
output_format = request.form.get('format', 'html')
if output_format not in ['html', 'csv', 'json', 'rss']:
output_format = 'html'
# check if there is query
if request.form.get('q') is None:
if output_format == 'html':
return render(
'index.html',
)
else:
return index_error(output_format, 'No query'), 400
2014-02-07 02:15:34 +00:00
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
# search
search_query = None
result_container = None
try:
search_query = get_search_query_from_webapp(request.preferences, request.form)
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
# search = Search(search_query) # without plugins
search = SearchWithPlugins(search_query, request.user_plugins, request)
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
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result_container = search.search()
except Exception as e:
# log exception
2016-11-14 14:49:06 +00:00
logger.exception('search error')
2014-01-29 19:52:04 +00:00
# is it an invalid input parameter or something else ?
if (issubclass(e.__class__, SearxParameterException)):
return index_error(output_format, e.message), 400
else:
return index_error(output_format, gettext('search error')), 500
# results
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
results = result_container.get_ordered_results()
number_of_results = result_container.results_number()
if number_of_results < result_container.results_length():
number_of_results = 0
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
# UI
advanced_search = request.form.get('advanced_search', None)
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
# output
for result in results:
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
if output_format == 'html':
if 'content' in result and result['content']:
2016-11-30 17:43:03 +00:00
result['content'] = highlight_content(escape(result['content'][:1024]), search_query.query)
result['title'] = highlight_content(escape(result['title'] or u''), search_query.query)
2014-01-10 22:38:08 +00:00
else:
if result.get('content'):
2014-01-10 22:38:08 +00:00
result['content'] = html_to_text(result['content']).strip()
# removing html content and whitespace duplications
result['title'] = ' '.join(html_to_text(result['title']).strip().split())
2014-06-24 14:30:04 +00:00
2015-01-29 18:44:52 +00:00
result['pretty_url'] = prettify_url(result['url'])
2013-11-15 18:28:30 +00:00
2014-03-14 08:55:04 +00:00
# TODO, check if timezone is calculated right
if 'publishedDate' in result:
try: # test if publishedDate >= 1900 (datetime module bug)
result['pubdate'] = result['publishedDate'].strftime('%Y-%m-%d %H:%M:%S%z')
except ValueError:
result['publishedDate'] = None
2014-03-14 08:55:04 +00:00
else:
if result['publishedDate'].replace(tzinfo=None) >= datetime.now() - timedelta(days=1):
timedifference = datetime.now() - result['publishedDate'].replace(tzinfo=None)
minutes = int((timedifference.seconds / 60) % 60)
hours = int(timedifference.seconds / 60 / 60)
if hours == 0:
2016-05-24 10:49:21 +00:00
result['publishedDate'] = gettext(u'{minutes} minute(s) ago').format(minutes=minutes)
else:
2016-05-24 10:49:21 +00:00
result['publishedDate'] = gettext(u'{hours} hour(s), {minutes} minute(s) ago').format(hours=hours, minutes=minutes) # noqa
else:
result['publishedDate'] = format_date(result['publishedDate'])
2014-03-14 08:55:04 +00:00
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
if output_format == 'json':
2016-11-30 17:43:03 +00:00
return Response(json.dumps({'query': search_query.query.decode('utf-8'),
'number_of_results': number_of_results,
'results': results,
'answers': list(result_container.answers),
2017-01-14 08:40:37 +00:00
'corrections': list(result_container.corrections),
'infoboxes': result_container.infoboxes,
'suggestions': list(result_container.suggestions),
'unresponsive_engines': list(result_container.unresponsive_engines)},
default=lambda item: list(item) if isinstance(item, set) else item),
2014-01-20 01:31:20 +00:00
mimetype='application/json')
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
elif output_format == 'csv':
2016-11-30 17:43:03 +00:00
csv = UnicodeWriter(StringIO())
2013-12-02 20:36:09 +00:00
keys = ('title', 'url', 'content', 'host', 'engine', 'score')
csv.writerow(keys)
for row in results:
row['host'] = row['parsed_url'].netloc
csv.writerow([row.get(key, '') for key in keys])
csv.stream.seek(0)
2013-11-15 18:28:30 +00:00
response = Response(csv.stream.read(), mimetype='application/csv')
2016-11-30 17:43:03 +00:00
cont_disp = 'attachment;Filename=searx_-_{0}.csv'.format(search_query.query)
2014-02-07 01:45:12 +00:00
response.headers.add('Content-Disposition', cont_disp)
2013-11-15 17:55:18 +00:00
return response
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
elif output_format == 'rss':
response_rss = render(
'opensearch_response_rss.xml',
results=results,
q=request.form['q'],
number_of_results=number_of_results,
base_url=get_base_url(),
override_theme='__common__',
)
2014-01-14 21:18:21 +00:00
return Response(response_rss, mimetype='text/xml')
2014-01-14 17:17:19 +00:00
return render(
'results.html',
results=results,
q=request.form['q'],
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
selected_categories=search_query.categories,
pageno=search_query.pageno,
time_range=search_query.time_range,
number_of_results=format_decimal(number_of_results),
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
advanced_search=advanced_search,
suggestions=result_container.suggestions,
answers=result_container.answers,
2017-01-14 08:40:37 +00:00
corrections=result_container.corrections,
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
infoboxes=result_container.infoboxes,
paging=result_container.paging,
unresponsive_engines=result_container.unresponsive_engines,
current_language=match_language(search_query.lang,
LANGUAGE_CODES,
fallback=settings['search']['language']),
2014-03-04 17:53:56 +00:00
base_url=get_base_url(),
theme=get_current_theme_name(),
2014-12-13 20:37:28 +00:00
favicons=global_favicons[themes.index(get_current_theme_name())]
)
2014-01-01 21:16:53 +00:00
2013-10-14 21:09:13 +00:00
2013-10-20 22:28:48 +00:00
@app.route('/about', methods=['GET'])
def about():
2014-01-31 06:08:24 +00:00
"""Render about page"""
2014-03-21 11:19:48 +00:00
return render(
'about.html',
)
2014-01-17 15:23:23 +00:00
@app.route('/autocompleter', methods=['GET', 'POST'])
def autocompleter():
"""Return autocompleter results"""
2014-03-29 15:29:19 +00:00
# set blocked engines
disabled_engines = request.preferences.engines.get_disabled()
# parse query
if PY3:
raw_text_query = RawTextQuery(request.form.get('q', b''), disabled_engines)
else:
raw_text_query = RawTextQuery(request.form.get('q', u'').encode('utf-8'), disabled_engines)
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
raw_text_query.parse_query()
2014-03-29 15:29:19 +00:00
# check if search query is set
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
if not raw_text_query.getSearchQuery():
2015-01-10 14:27:42 +00:00
return '', 400
2014-03-29 15:29:19 +00:00
# run autocompleter
completer = autocomplete_backends.get(request.preferences.get_value('autocomplete'))
2014-03-29 15:29:19 +00:00
# parse searx specific autocompleter results like !bang
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
raw_results = searx_bang(raw_text_query)
# normal autocompletion results only appear if max 3 inner results returned
if len(raw_results) <= 3 and completer:
# get language from cookie
2016-04-09 16:32:07 +00:00
language = request.preferences.get_value('language')
if not language or language == 'all':
language = 'en'
else:
language = language.split('-')[0]
2015-01-10 18:55:21 +00:00
# run autocompletion
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
raw_results.extend(completer(raw_text_query.getSearchQuery(), language))
# parse results (write :language and !engine back to result string)
results = []
for result in raw_results:
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
raw_text_query.changeSearchQuery(result)
# add parsed result
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
2016-10-22 11:10:31 +00:00
results.append(raw_text_query.getFullQuery())
2014-03-29 15:29:19 +00:00
# return autocompleter results
if request.form.get('format') == 'x-suggestions':
Clean up the architecture Purposes : - isolate the plugins calls - distinction between parsing the web request and running the search (Search class). To be able to test code easily, to run searx code outside a web server, to filter the search query parameters with plugins more easily, etc... Details : - request.request_data contains request.form or request.args (initialize inside pre_request() function) - Query class is renamed RawTextQuery - SearchQuery class defines all search parameters - get_search_query_from_webapp create a SearchQuery instance (basically the previous Search.__init__ code) - Search class and SearchWithPlugins class takes a SearchQuery instance as class constructor parameter - SearchWithPlugins class inherites from Search class, and run plugins - A dedicated function search_with_plugins executes plugins to have a well define locals() (which is used by the plugins code). - All plugins code is executed inside the try...except block (webapp.py, index function) - advanced_search HTTP parameter value stays in webapp.py (it is only part of UI) - multiple calls to result_container.get_ordered_results() doesn't compute the order multiple time (note : this method was call only once before) - paging value is stored in the result_container class (compute in the extend method) - test about engine.suspend_end_time is done during search method call (instead of __init__) - check that the format parameter value is one of these : html, rss, json, rss (before the html value was assumed but some text formatting wasn't not done)
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return Response(json.dumps([raw_text_query.query, results]),
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mimetype='application/json')
return Response(json.dumps(results),
mimetype='application/json')
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@app.route('/preferences', methods=['GET', 'POST'])
def preferences():
"""Render preferences page && save user preferences"""
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# save preferences
if request.method == 'POST':
resp = make_response(redirect(urljoin(settings['server']['base_url'], url_for('index'))))
try:
request.preferences.parse_form(request.form)
except ValidationException:
request.errors.append(gettext('Invalid settings, please edit your preferences'))
return resp
return request.preferences.save(resp)
# render preferences
image_proxy = request.preferences.get_value('image_proxy')
lang = request.preferences.get_value('language')
disabled_engines = request.preferences.engines.get_disabled()
allowed_plugins = request.preferences.plugins.get_enabled()
# stats for preferences page
stats = {}
for c in categories:
for e in categories[c]:
stats[e.name] = {'time': None,
'warn_timeout': False,
'warn_time': False}
if e.timeout > settings['outgoing']['request_timeout']:
stats[e.name]['warn_timeout'] = True
stats[e.name]['supports_selected_language'] = _is_selected_language_supported(e, request.preferences)
# get first element [0], the engine time,
# and then the second element [1] : the time (the first one is the label)
for engine_stat in get_engines_stats()[0][1]:
stats[engine_stat.get('name')]['time'] = round(engine_stat.get('avg'), 3)
if engine_stat.get('avg') > settings['outgoing']['request_timeout']:
stats[engine_stat.get('name')]['warn_time'] = True
# end of stats
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return render('preferences.html',
locales=settings['locales'],
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current_locale=get_locale(),
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image_proxy=image_proxy,
engines_by_category=categories,
stats=stats,
answerers=[{'info': a.self_info(), 'keywords': a.keywords} for a in answerers],
disabled_engines=disabled_engines,
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autocomplete_backends=autocomplete_backends,
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shortcuts={y: x for x, y in engine_shortcuts.items()},
themes=themes,
plugins=plugins,
doi_resolvers=settings['doi_resolvers'],
current_doi_resolver=get_doi_resolver(request.args, request.preferences.get_value('doi_resolver')),
allowed_plugins=allowed_plugins,
theme=get_current_theme_name(),
preferences_url_params=request.preferences.get_as_url_params(),
base_url=get_base_url(),
preferences=True)
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def _is_selected_language_supported(engine, preferences):
language = preferences.get_value('language')
return (language == 'all'
or match_language(language,
getattr(engine, 'supported_languages', []),
getattr(engine, 'language_aliases', {}), None))
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@app.route('/image_proxy', methods=['GET'])
def image_proxy():
url = request.args.get('url').encode('utf-8')
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if not url:
return '', 400
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h = new_hmac(settings['server']['secret_key'], url)
if h != request.args.get('h'):
return '', 400
headers = dict_subset(request.headers, {'If-Modified-Since', 'If-None-Match'})
headers['User-Agent'] = gen_useragent()
resp = requests.get(url,
stream=True,
timeout=settings['outgoing']['request_timeout'],
headers=headers,
proxies=outgoing_proxies)
if resp.status_code == 304:
return '', resp.status_code
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if resp.status_code != 200:
logger.debug('image-proxy: wrong response code: {0}'.format(resp.status_code))
if resp.status_code >= 400:
return '', resp.status_code
return '', 400
if not resp.headers.get('content-type', '').startswith('image/'):
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logger.debug('image-proxy: wrong content-type: {0}'.format(resp.headers.get('content-type')))
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return '', 400
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img = b''
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chunk_counter = 0
for chunk in resp.iter_content(1024 * 1024):
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chunk_counter += 1
if chunk_counter > 5:
return '', 502 # Bad gateway - file is too big (>5M)
img += chunk
headers = dict_subset(resp.headers, {'Content-Length', 'Length', 'Date', 'Last-Modified', 'Expires', 'Etag'})
return Response(img, mimetype=resp.headers['content-type'], headers=headers)
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@app.route('/stats', methods=['GET'])
def stats():
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"""Render engine statistics page."""
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stats = get_engines_stats()
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return render(
'stats.html',
stats=stats,
)
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@app.route('/robots.txt', methods=['GET'])
def robots():
return Response("""User-agent: *
Allow: /
Allow: /about
Disallow: /stats
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Disallow: /preferences
Disallow: /*?*q=*
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""", mimetype='text/plain')
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@app.route('/opensearch.xml', methods=['GET'])
def opensearch():
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method = 'post'
if request.preferences.get_value('method') == 'GET':
method = 'get'
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# chrome/chromium only supports HTTP GET....
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if request.headers.get('User-Agent', '').lower().find('webkit') >= 0:
method = 'get'
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ret = render('opensearch.xml',
opensearch_method=method,
host=get_base_url(),
urljoin=urljoin,
override_theme='__common__')
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resp = Response(response=ret,
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status=200,
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mimetype="text/xml")
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return resp
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@app.route('/favicon.ico')
def favicon():
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return send_from_directory(os.path.join(app.root_path,
static_path,
'themes',
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get_current_theme_name(),
'img'),
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'favicon.png',
mimetype='image/vnd.microsoft.icon')
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@app.route('/clear_cookies')
def clear_cookies():
resp = make_response(redirect(urljoin(settings['server']['base_url'], url_for('index'))))
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for cookie_name in request.cookies:
resp.delete_cookie(cookie_name)
return resp
@app.route('/config')
def config():
return jsonify({'categories': categories.keys(),
'engines': [{'name': engine_name,
'categories': engine.categories,
'shortcut': engine.shortcut,
'enabled': not engine.disabled,
'paging': engine.paging,
'language_support': engine.language_support,
'supported_languages':
engine.supported_languages.keys()
if isinstance(engine.supported_languages, dict)
else engine.supported_languages,
'safesearch': engine.safesearch,
'time_range_support': engine.time_range_support,
'timeout': engine.timeout}
for engine_name, engine in engines.items()],
'plugins': [{'name': plugin.name,
'enabled': plugin.default_on}
for plugin in plugins],
'instance_name': settings['general']['instance_name'],
'locales': settings['locales'],
'default_locale': settings['ui']['default_locale'],
'autocomplete': settings['search']['autocomplete'],
'safe_search': settings['search']['safe_search'],
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'default_theme': settings['ui']['default_theme'],
'version': VERSION_STRING,
'doi_resolvers': [r for r in settings['doi_resolvers']],
'default_doi_resolver': settings['default_doi_resolver'],
})
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@app.errorhandler(404)
def page_not_found(e):
return render('404.html'), 404
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def run():
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logger.debug('starting webserver on %s:%s', settings['server']['port'], settings['server']['bind_address'])
app.run(
debug=searx_debug,
use_debugger=searx_debug,
port=settings['server']['port'],
host=settings['server']['bind_address'],
threaded=True
)
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class ReverseProxyPathFix(object):
'''Wrap the application in this middleware and configure the
front-end server to add these headers, to let you quietly bind
this to a URL other than / and to an HTTP scheme that is
different than what is used locally.
http://flask.pocoo.org/snippets/35/
In nginx:
location /myprefix {
proxy_pass http://127.0.0.1:8000;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Scheme $scheme;
proxy_set_header X-Script-Name /myprefix;
}
:param app: the WSGI application
'''
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def __init__(self, app):
self.app = app
def __call__(self, environ, start_response):
script_name = environ.get('HTTP_X_SCRIPT_NAME', '')
if script_name:
environ['SCRIPT_NAME'] = script_name
path_info = environ['PATH_INFO']
if path_info.startswith(script_name):
environ['PATH_INFO'] = path_info[len(script_name):]
scheme = environ.get('HTTP_X_SCHEME', '')
if scheme:
environ['wsgi.url_scheme'] = scheme
return self.app(environ, start_response)
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application = app
# patch app to handle non root url-s behind proxy & wsgi
app.wsgi_app = ReverseProxyPathFix(ProxyFix(application.wsgi_app))
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if __name__ == "__main__":
run()