@@ -0,0 +1,73 @@
1+#!/usr/bin/env python
2+
3+# set path
4+from sys import path
5+from os.path import realpath, dirname, join
6+path.append(realpath(dirname(realpath(__file__)) + '/../'))
7+
8+#
9+import json
10+import requests
11+import re
12+from distutils.version import LooseVersion, StrictVersion
13+from lxml import html
14+from searx.url_utils import urlparse, urljoin
15+from searx import searx_dir
16+
17+URL = 'https://ftp.mozilla.org/pub/firefox/releases/'
18+RELEASE_PATH = '/pub/firefox/releases/'
19+
20+NORMAL_REGEX = re.compile('^[0-9]+\.[0-9](\.[0-9])?$')
21+# BETA_REGEX = re.compile('.*[0-9]b([0-9\-a-z]+)$')
22+# ESR_REGEX = re.compile('^[0-9]+\.[0-9](\.[0-9])?esr$')
23+
24+#
25+useragents = {
26+ "versions": (),
27+ "os": ('Windows NT 10; WOW64',
28+ 'X11; Linux x86_64'),
29+ "ua": "Mozilla/5.0 ({os}; rv:{version}) Gecko/20100101 Firefox/{version}"
30+}
31+
32+
33+def fetch_firefox_versions():
34+ resp = requests.get(URL, timeout=2.0)
35+ if resp.status_code != 200:
36+ raise Exception("Error fetching firefox versions, HTTP code " + resp.status_code)
37+ else:
38+ dom = html.fromstring(resp.text)
39+ versions = []
40+
41+ for link in dom.xpath('//a/@href'):
42+ url = urlparse(urljoin(URL, link))
43+ path = url.path
44+ if path.startswith(RELEASE_PATH):
45+ version = path[len(RELEASE_PATH):-1]
46+ if NORMAL_REGEX.match(version):
47+ versions.append(LooseVersion(version))
48+
49+ list.sort(versions, reverse=True)
50+ return versions
51+
52+
53+def fetch_firefox_last_versions():
54+ versions = fetch_firefox_versions()
55+
56+ result = []
57+ major_last = versions[0].version[0]
58+ major_list = (major_last, major_last - 1)
59+ for version in versions:
60+ major_current = version.version[0]
61+ if major_current in major_list:
62+ result.append(version.vstring)
63+
64+ return result
65+
66+
67+def get_useragents_filename():
68+ return join(join(searx_dir, "data"), "useragents.json")
69+
70+
71+useragents["versions"] = fetch_firefox_last_versions()
72+with open(get_useragents_filename(), "w") as f:
73+ json.dump(useragents, f, indent=4, ensure_ascii=False)