libervia-backend: src/plugins/plugin_misc

annotate src/plugins/plugin_misc_ip.py @ 1555:eb8aae35085b

plugin ip: local ip cache + DNS error detection

author	Goffi <goffi@goffi.org>
date	Mon, 02 Nov 2015 22:02:41 +0100
parents	6fa9e8c02c34
children	ec3848916ee8

rev	line source
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	1 #!/usr/bin/python
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	2 # -- coding: utf-8 --
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	3
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	4 # SAT plugin for IP address discovery
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Jérôme Poisson (goffi@goffi.org)
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	6
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	7 # This program is free software: you can redistribute it and/or modify
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	8 # it under the terms of the GNU Affero General Public License as published by
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	9 # the Free Software Foundation, either version 3 of the License, or
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	10 # (at your option) any later version.
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	11
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	12 # This program is distributed in the hope that it will be useful,
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	15 # GNU Affero General Public License for more details.
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	16
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	17 # You should have received a copy of the GNU Affero General Public License
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	19
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	20 from sat.core.i18n import _, D_
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	21 from sat.core.constants import Const as C
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	22 from sat.core.log import getLogger
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	23 log = getLogger(__name__)
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	24 from sat.tools import xml_tools
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	25 from twisted.web import client as webclient
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	26 from twisted.internet import defer
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	27 from twisted.internet import reactor
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	28 from twisted.internet import protocol
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	29 from twisted.internet import endpoints
1555 eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	30 from twisted.internet import error as internet_error
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	31 import urlparse
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	32 try:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	33 import netifaces
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	34 except ImportError:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	35 log.warning(u"netifaces is not available, it help discovering IPs, you can install it on https://pypi.python.org/pypi/netifaces")
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	36 netifaces = None
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	37
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	38
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	39 PLUGIN_INFO = {
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	40 "name": "IP discovery",
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	41 "import_name": "IP",
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	42 "type": C.PLUG_TYPE_MISC,
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	43 "recommendations": ["NAT-PORT"],
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	44 "main": "IPPlugin",
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	45 "handler": "no",
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	46 "description": _("""This plugin help to discover our external IP address.""")
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	47 }
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	48
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	49 GET_IP_PAGE = "http://www.goffi.org/sat_tools/get_ip.php" # This page must only return external IP of the requester
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	50 GET_IP_LABEL = D_(u"Allow external get IP")
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	51 GET_IP_CATEGORY = "General"
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	52 GET_IP_NAME = "allow_get_ip"
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	53 GET_IP_CONFIRM_TITLE = D_(u"Confirm external site request")
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	54 GET_IP_CONFIRM = D_(u"""To facilitate data transfer, we need to contact a website.
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	55 A request will be done on {page}
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	56 That means that administrators of {domain} can know that you use "{app_name}" and your IP Address.
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	57
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	58 IP address is an identifier to locate you on Internet (similar to a phone number).
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	59
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	60 Do you agree to do this request ?
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	61 """).format(
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	62 page = GET_IP_PAGE,
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	63 domain = urlparse.urlparse(GET_IP_PAGE).netloc,
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	64 app_name = C.APP_NAME)
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	65
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	66 PARAMS = """
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	67 <params>
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	68 <general>
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	69 <category name="{category}">
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	70 <param name="{name}" label="{label}" type="bool" />
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	71 </category>
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	72 </general>
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	73 </params>
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	74 """.format(category=GET_IP_CATEGORY, name=GET_IP_NAME, label=GET_IP_LABEL)
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	75
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	76
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	77 class IPPlugin(object):
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	78 # TODO: refresh IP if a new connection is detected
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	79 # TODO: manage IPv6 when implemented in SàT
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	80 # TODO: implement XEP-0279
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	81
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	82 def __init__(self, host):
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	83 log.info(_("plugin IP discovery initialization"))
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	84 self.host = host
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	85 host.memory.updateParams(PARAMS)
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	86
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	87 # NAT-Port
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	88 try:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	89 self._nat = host.plugins['NAT-PORT']
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	90 except KeyError:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	91 log.debug(u"NAT port plugin not available")
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	92 self._nat = None
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	93
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	94 # XXX: cache is kept until SàT is restarted
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	95 # if IP may have changed, use self.refreshIP
1555 eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	96 self._external_ip_cache = None
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	97 self._local_ip_cache = None
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	98
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	99 def refreshIP(self):
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	100 # FIXME: use a trigger instead ?
1555 eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	101 self._external_ip_cache = None
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	102 self._local_ip_cache = None
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	103
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	104 def _externalAllowed(self, profile):
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	105 """Return value of parameter with autorisation of user to do external requests
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	106
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	107 if parameter is not set, a dialog is shown to use to get its confirmation, and parameted is set according to answer
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	108 @param profile: %(doc_profile)s
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	109 @return (defer.Deferred[bool]): True if external request is autorised
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	110 """
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	111 allow_get_ip = self.host.memory.params.getParamA(GET_IP_NAME, GET_IP_CATEGORY, use_default=False)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	112
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	113 if allow_get_ip is None:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	114 # we don't have autorisation from user yet to use get_ip, we ask him
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	115 def setParam(allowed):
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	116 # FIXME: we need to use boolConst as setParam only manage str/unicode
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	117 # need to be fixed when params will be refactored
1555 eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	118 self.host.memory.setParam(GET_IP_NAME, C.boolConst(allowed), GET_IP_CATEGORY)
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	119 return allowed
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	120 d = xml_tools.deferConfirm(self.host, _(GET_IP_CONFIRM), _(GET_IP_CONFIRM_TITLE), profile=profile)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	121 d.addCallback(setParam)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	122 return d
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	123
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	124 return defer.succeed(allow_get_ip)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	125
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	126 def _filterAddresse(self, ip_addr):
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	127 """Filter acceptable addresses
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	128
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	129 For now, just remove IPv4 local addresses
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	130 @param ip_addr(str): IP addresse
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	131 @return (bool): True if addresse is acceptable
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	132 """
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	133 return not ip_addr.startswith('127.')
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	134
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	135 def _insertFirst(self, addresses, ip_addr):
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	136 """Insert ip_addr as first item in addresses
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	137
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	138 @param ip_addr(str): IP addresse
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	139 @param addresses(list): list of IP addresses
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	140 """
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	141 if ip_addr in addresses:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	142 if addresses[0] != ip_addr:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	143 addresses.remove(ip_addr)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	144 addresses.insert(0, ip_addr)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	145 else:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	146 addresses.insert(0, ip_addr)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	147
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	148 def _getIPFromExternal(self, ext_url):
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	149 """Get local IP by doing a connection on an external url
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	150
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	151 @param ext_utl(str): url to connect to
1555 eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	152 @return (D(str)): return local IP
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	153 """
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	154 url = urlparse.urlparse(ext_url)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	155 port = url.port
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	156 if port is None:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	157 if url.scheme=='http':
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	158 port = 80
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	159 elif url.scheme=='https':
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	160 port = 443
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	161 else:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	162 log.error(u"Unknown url scheme: {}".format(url.scheme))
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	163 defer.returnValue(None)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	164 if url.hostname is None:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	165 log.error(u"Can't find url hostname for {}".format(GET_IP_PAGE))
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	166
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	167 point = endpoints.TCP4ClientEndpoint(reactor, url.hostname, port)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	168 def gotConnection(p):
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	169 local_ip = p.transport.getHost().host
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	170 p.transport.loseConnection()
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	171 return local_ip
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	172
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	173 d = endpoints.connectProtocol(point, protocol.Protocol())
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	174 d.addCallback(gotConnection)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	175 return d
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	176
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	177
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	178 @defer.inlineCallbacks
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	179 def getLocalIPs(self, profile):
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	180 """Try do discover local area network IPs
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	181
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	182 @param profile): %(doc_profile)s
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	183 @return (deferred): list of lan IP addresses
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	184 or empty list if it can't be discovered
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	185 if there are several addresses, the one used with the server is put first
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	186 """
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	187 # TODO: manage permission requesting (e.g. for UMTS link)
1555 eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	188 if self._local_ip_cache is not None:
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	189 defer.returnValue(self._local_ip_cache)
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	190 client = self.host.getClient(profile)
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	191 addresses = []
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	192
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	193 # we first try our luck with netifaces
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	194 if netifaces is not None:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	195 addresses = []
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	196 for interface in netifaces.interfaces():
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	197 if_addresses = netifaces.ifaddresses(interface)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	198 try:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	199 inet_list = if_addresses[netifaces.AF_INET]
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	200 except KeyError:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	201 continue
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	202 for data in inet_list:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	203 addresse = data['addr']
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	204 if self._filterAddresse(addresse):
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	205 addresses.append(addresse)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	206
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	207 # we first try with our connection to server
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	208 ip = client.xmlstream.transport.getHost().host
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	209 if self._filterAddresse(ip):
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	210 self._insertFirst(addresses, ip)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	211 defer.returnValue(addresses)
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	212
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	213 # if not available, we try with NAT-Port
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	214 if self._nat is not None:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	215 nat_ip = yield self._nat.getIP(local=True)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	216 if nat_ip is not None:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	217 self._insertFirst(addresses, nat_ip)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	218 defer.returnValue(addresses)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	219
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	220 if addresses:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	221 defer.returnValue(addresses)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	222
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	223 # still not luck, we need to contact external website
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	224 allow_get_ip = yield self._externalAllowed(profile)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	225
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	226 if not allow_get_ip:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	227 defer.returnValue(addresses)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	228
1555 eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	229 try:
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	230 ip_tuple = yield self._getIPFromExternal(GET_IP_PAGE)
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	231 except Exception as internet_error.DNSLookupError:
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	232 log.warning(u"Can't access Domain Name System")
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	233 defer.returnValue(addresses)
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	234 self._insertFirst(addresses, ip_tuple.local)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	235 defer.returnValue(addresses)
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	236
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	237
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	238 @defer.inlineCallbacks
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	239 def getExternalIP(self, profile):
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	240 """Try to discover external IP
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	241
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	242 @param profile: %(doc_profile)s
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	243 @return (deferred): external IP address or None if it can't be discovered
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	244 """
1555 eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	245 if self._external_ip_cache is not None:
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	246 defer.returnValue(self._external_ip_cache)
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	247
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	248 # we first try with NAT-Port
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	249 if self._nat is not None:
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	250 nat_ip = yield self._nat.getIP()
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	251 if nat_ip is not None:
1555 eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	252 self._external_ip_cache = nat_ip
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	253 defer.returnValue(nat_ip)
1534 a5e0393a06cd plugin ip, params: plugin IP discovery, first draft: Goffi <goffi@goffi.org> parents: diff changeset	254
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	255 # then by requesting external website
6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	256 allow_get_ip = yield self._externalAllowed(profile)
1555 eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	257 try:
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	258 ip = (yield webclient.getPage(GET_IP_PAGE)) if allow_get_ip else None
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	259 except internet_error.DNSLookupError:
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	260 log.warning(u"Can't access Domain Name System")
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	261 ip = None
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	262 else:
eb8aae35085b plugin ip: local ip cache + DNS error detection Goffi <goffi@goffi.org> parents: 1537 diff changeset	263 self._external_ip_cache = ip
1537 6fa9e8c02c34 plugin IP discovery: better IP discovering: Goffi <goffi@goffi.org> parents: 1534 diff changeset	264 defer.returnValue(ip)

Mercurial > libervia-backend

annotate src/plugins/plugin_misc_ip.py @ 1555:eb8aae35085b