Mercurial > libervia-backend
annotate src/plugins/plugin_misc_invitations.py @ 2220:0d27d95652a7
jp (invitation): added modify command
author | Goffi <goffi@goffi.org> |
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date | Mon, 03 Apr 2017 00:23:01 +0200 |
parents | 77a3d0a28642 |
children | c6c9a97ffebf |
rev | line source |
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2184 | 1 #!/usr/bin/env python2 |
2 # -*- coding: utf-8 -*- | |
3 | |
4 # SAT plugin for file tansfer | |
5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org) | |
6 | |
7 # This program is free software: you can redistribute it and/or modify | |
8 # it under the terms of the GNU Affero General Public License as published by | |
9 # the Free Software Foundation, either version 3 of the License, or | |
10 # (at your option) any later version. | |
11 | |
12 # This program is distributed in the hope that it will be useful, | |
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 # GNU Affero General Public License for more details. | |
16 | |
17 # You should have received a copy of the GNU Affero General Public License | |
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | |
20 from sat.core.i18n import _, D_ | |
21 from sat.core.constants import Const as C | |
22 from sat.core import exceptions | |
23 from sat.core.log import getLogger | |
24 log = getLogger(__name__) | |
25 import shortuuid | |
26 from sat.tools import utils | |
27 from twisted.internet import defer | |
28 from twisted.words.protocols.jabber import jid | |
29 from twisted.words.protocols.jabber import error | |
30 from sat.memory import persistent | |
31 from sat.tools import email as sat_email | |
32 | |
33 | |
34 PLUGIN_INFO = { | |
35 C.PI_NAME: "Invitations", | |
36 C.PI_IMPORT_NAME: "INVITATIONS", | |
37 C.PI_TYPE: C.PLUG_TYPE_MISC, | |
38 C.PI_DEPENDENCIES: ['XEP-0077'], | |
39 C.PI_MAIN: "InvitationsPlugin", | |
40 C.PI_HANDLER: "no", | |
41 C.PI_DESCRIPTION: _(u"""invitation of people without XMPP account""") | |
42 } | |
43 | |
44 | |
45 SUFFIX_MAX = 5 | |
46 INVITEE_PROFILE_TPL = u"guest@@{uuid}" | |
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47 KEY_ID = u'id' |
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48 KEY_JID = u'jid' |
2184 | 49 KEY_CREATED = u'created' |
50 KEY_LAST_CONNECTION = u'last_connection' | |
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51 KEY_GUEST_PROFILE = u'guest_profile' |
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52 KEY_PASSWORD = u'password' |
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53 EXTRA_RESERVED = {KEY_ID, KEY_JID, KEY_CREATED, u'jid_', u'jid', KEY_LAST_CONNECTION, KEY_GUEST_PROFILE, KEY_PASSWORD} |
2184 | 54 DEFAULT_SUBJECT = D_(u"You have been invited by {host_name} to {app_name}") |
55 DEFAULT_BODY = D_(u"""Hello {name}! | |
56 | |
57 You have received an invitation from {host_name} to participate to "{app_name}". | |
58 To join, you just have to click on the following URL: | |
59 {url} | |
60 | |
61 Please note that this URL should not be shared with anybody! | |
62 If you want more details on {app_name}, you can check {app_url}. | |
63 | |
64 Welcome! | |
65 """) | |
66 | |
67 | |
68 class InvitationsPlugin(object): | |
69 | |
70 def __init__(self, host): | |
71 log.info(_(u"plugin Invitations initialization")) | |
72 self.host = host | |
73 self.invitations = persistent.LazyPersistentBinaryDict(u'invitations') | |
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74 host.bridge.addMethod("invitationCreate", ".plugin", in_sign='sssssssssa{ss}s', out_sign='a{ss}', |
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75 method=self._create, |
2184 | 76 async=True) |
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77 host.bridge.addMethod("invitationGet", ".plugin", in_sign='s', out_sign='a{ss}', |
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78 method=self.get, |
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79 async=True) |
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80 host.bridge.addMethod("invitationModify", ".plugin", in_sign='sa{ss}b', out_sign='', |
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81 method=self._modify, |
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82 async=True) |
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83 |
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84 def checkExtra(self, extra): |
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85 if EXTRA_RESERVED.intersection(extra): |
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86 raise ValueError(_(u"You can't use following key(s) in extra, they are reserved: {}").format( |
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87 u', '.join(EXTRA_RESERVED.intersection(extra)))) |
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88 |
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89 def _create(self, jid_=u'', password=u'', name=u'', host_name=u'', email=u'', language=u'', url_template=u'', message_subject=u'', message_body=u'', extra=None, profile=u''): |
2184 | 90 # XXX: we don't use **kwargs here to keep arguments name for introspection with D-Bus bridge |
91 | |
92 if extra is None: | |
93 extra = {} | |
94 else: | |
95 extra = {unicode(k): unicode(v) for k,v in extra.iteritems()} | |
96 | |
97 # we need to be sure that values are unicode, else they won't be pickled correctly with D-Bus | |
98 kwargs = {"extra": extra} | |
99 for key in ("jid_", "password", "name", "host_name", "email", "language", "url_template", "message_subject", "message_body", "profile"): | |
100 value = locals()[key] | |
101 if value: | |
102 kwargs[key] = unicode(value) | |
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103 d = self.create(**kwargs) |
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104 def serialize(data): |
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105 data[KEY_JID] = data[KEY_JID].full() |
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106 d.addCallback(serialize) |
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107 return d |
2184 | 108 |
109 @defer.inlineCallbacks | |
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110 def create(self, **kwargs): |
2184 | 111 ur"""create an invitation |
112 | |
113 this will create an XMPP account and a profile, and use a UUID to retrieve them. | |
114 the profile is automatically generated in the form guest@@[UUID], this way they can be retrieved easily | |
115 **kwargs: keywords arguments which can have the following keys, unset values are equivalent to None: | |
116 jid_(jid.JID, None): jid to use for invitation, the jid will be created using XEP-0077 | |
117 if the jid has no user part, an anonymous account will be used (no XMPP account created in this case) | |
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118 if None, automatically generate an account name (in the form "invitation-[random UUID]@domain.tld") (note that this UUID is not the |
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119 same as the invitation one, as jid can be used publicly (leaking the UUID), and invitation UUID give access to account. |
2184 | 120 in case of conflict, a suffix number is added to the account until a free one if found (with a failure if SUFFIX_MAX is reached) |
121 password(unicode, None): password to use (will be used for XMPP account and profile) | |
122 None to automatically generate one | |
123 name(unicode, None): name of the invitee | |
124 host_name(unicode, None): name of the host | |
125 email(unicode, None): email to send the invitation to | |
126 if None, no invitation email is sent, you can still associate email using extra | |
127 if email is used, extra can't have "email" key | |
128 language(unicode): language of the invitee (used notabily to translate the invitation) | |
129 TODO: not used yet | |
130 url_template(unicode, None): template to use to construct the invitation URL | |
131 use {uuid} as a placeholder for identifier | |
132 use None if you don't want to include URL (or if it is already specified in custom message) | |
133 /!\ you must put full URL, don't forget https:// | |
134 /!\ the URL will give access to the invitee account, you should warn in message to not publish it publicly | |
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135 message_subject(unicode, None): customised message body for the invitation email |
2184 | 136 None to use default subject |
137 uses the same substitution as for message_body | |
138 message_body(unicode, None): customised message body for the invitation email | |
139 None to use default body | |
140 use {name} as a place holder for invitee name | |
141 use {url} as a placeholder for the invitation url | |
142 use {uuid} as a placeholder for the identifier | |
143 use {app_name} as a placeholder for this software name | |
144 use {app_url} as a placeholder for this software official website | |
145 use {profile} as a placeholder for host's profile | |
146 use {host_name} as a placeholder for host's name | |
147 extra(dict, None): extra data to associate with the invitee | |
148 some keys are reserved: | |
149 - created (creation date) | |
150 if email argument is used, "email" key can't be used | |
151 profile(unicode, None): profile of the host (person who is inviting) | |
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152 @return (dict[unicode, unicode]): dictionary with: |
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153 - UUID associated with the invitee (key: id) |
2184 | 154 - filled extra dictionary, as saved in the databae |
155 """ | |
156 ## initial checks | |
157 extra = kwargs.pop('extra', {}) | |
158 if set(kwargs).intersection(extra): | |
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159 raise ValueError(_(u"You can't use following key(s) in both args and extra: {}").format( |
2184 | 160 u', '.join(set(kwargs).intersection(extra)))) |
161 | |
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162 self.checkExtra(extra) |
2184 | 163 |
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164 if not 'url_template' in extra and not 'message_body' in extra: |
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165 raise ValueError(_(u"You need to provide url_template if you use default message body")) |
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166 |
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167 |
2184 | 168 ## uuid |
169 log.info(_(u"creating an invitation")) | |
170 id_ = unicode(shortuuid.uuid()) | |
171 | |
172 ## XMPP account creation | |
173 password = kwargs.pop(u'password', None) | |
174 if password is None: | |
175 password = utils.generatePassword() | |
176 assert password | |
177 # XXX: password is here saved in clear in database | |
178 # it is needed for invitation as the same password is used for profile | |
179 # and SàT need to be able to automatically open the profile with the uuid | |
180 # FIXME: we could add an extra encryption key which would be used with the uuid | |
181 # when the invitee is connecting (e.g. with URL). This key would not be saved | |
182 # and could be used to encrypt profile password. | |
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183 extra[KEY_PASSWORD] = password |
2184 | 184 |
185 jid_ = kwargs.pop(u'jid_', None) | |
186 if not jid_: | |
187 domain = self.host.memory.getConfig(None, 'xmpp_domain') | |
188 if not domain: | |
189 # TODO: fallback to profile's domain | |
190 raise ValueError(_(u"You need to specify xmpp_domain in sat.conf")) | |
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191 jid_ = u"invitation-{uuid}@{domain}".format(uuid=shortuuid.uuid(), domain=domain) |
2184 | 192 jid_ = jid.JID(jid_) |
193 if jid_.user: | |
194 # we don't register account if there is no user as anonymous login is then used | |
195 try: | |
196 yield self.host.plugins['XEP-0077'].registerNewAccount(jid_, password) | |
197 except error.StanzaError as e: | |
198 prefix = jid_.user | |
199 idx = 0 | |
200 while e.condition == u'conflict': | |
201 if idx >= SUFFIX_MAX: | |
202 raise exceptions.ConflictError(_(u"Can't create XMPP account")) | |
203 jid_.user = prefix + '_' + unicode(idx) | |
204 log.info(_(u"requested jid already exists, trying with {}".format(jid_.full()))) | |
205 try: | |
206 yield self.host.plugins['XEP-0077'].registerNewAccount(jid_, password) | |
207 except error.StanzaError as e: | |
208 idx += 1 | |
209 else: | |
210 break | |
211 if e.condition != u'conflict': | |
212 raise e | |
213 | |
214 log.info(_(u"account {jid_} created").format(jid_=jid_.full())) | |
215 | |
216 ## profile creation | |
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217 extra[KEY_GUEST_PROFILE] = guest_profile = INVITEE_PROFILE_TPL.format(uuid=id_) |
2184 | 218 # profile creation should not fail as we generate unique name ourselves |
219 yield self.host.memory.createProfile(guest_profile, password) | |
220 yield self.host.memory.startSession(password, guest_profile) | |
221 yield self.host.memory.setParam("JabberID", jid_.full(), "Connection", profile_key=guest_profile) | |
222 yield self.host.memory.setParam("Password", password, "Connection", profile_key=guest_profile) | |
223 | |
224 ## email | |
225 language = kwargs.pop(u'language', None) | |
226 if language is not None: | |
227 extra[u'language'] = language | |
228 email = kwargs.pop(u'email', None) | |
229 | |
230 if email is not None: | |
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231 extra[u'email'] = email |
2184 | 232 url_template = kwargs.pop(u'url_template', '') |
233 format_args = { | |
234 u'uuid': id_, | |
235 u'app_name': C.APP_NAME, | |
236 u'app_url': C.APP_URL} | |
237 | |
238 name = kwargs.pop(u'name', None) | |
239 if name is None: | |
240 format_args[u'name'] = email | |
241 else: | |
242 format_args[u'name'] = extra[u'name'] = name | |
243 | |
244 profile = kwargs.pop(u'profile', None) | |
245 if profile is None: | |
246 format_args[u'profile'] = u'' | |
247 else: | |
248 format_args[u'profile'] = extra[u'profile'] = profile | |
249 | |
250 host_name = kwargs.pop(u'host_name', None) | |
251 if host_name is None: | |
252 format_args[u'host_name'] = profile or _(u"somebody") | |
253 else: | |
254 format_args[u'host_name'] = extra[u'host_name'] = host_name | |
255 | |
256 invite_url = url_template.format(**format_args) | |
257 format_args[u'url'] = invite_url | |
258 | |
259 yield sat_email.sendEmail( | |
260 self.host, | |
261 [email], | |
262 (kwargs.pop(u'message_subject', None) or DEFAULT_SUBJECT).format(**format_args), | |
263 (kwargs.pop(u'message_body', None) or DEFAULT_BODY).format(**format_args), | |
264 ) | |
265 | |
266 ## extra data saving | |
267 self.invitations[id_] = extra | |
268 | |
269 if kwargs: | |
270 log.warning(_(u"Not all arguments have been consumed: {}").format(kwargs)) | |
271 | |
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272 extra[KEY_ID] = id_ |
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273 extra[KEY_JID] = jid |
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274 defer.returnValue(extra) |
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275 |
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276 def get(self, id_): |
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277 """Retrieve invitation linked to uuid if it exists |
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278 |
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279 @param id_(unicode): UUID linked to an invitation |
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280 @return (dict[unicode, unicode]): data associated to the invitation |
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281 @raise KeyError: there is not invitation with this id_ |
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282 """ |
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283 return self.invitations[id_] |
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284 |
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285 def _modify(self, id_, new_extra, replace): |
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286 return self.modify(id_, {unicode(k): unicode(v) for k,v in new_extra.iteritems()}, replace) |
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287 |
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288 def modify(self, id_, new_extra, replace=False): |
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289 """Modify invitation data |
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290 |
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291 @param id_(unicode): UUID linked to an invitation |
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292 @param new_extra(dict[unicode, unicode]): data to update |
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293 @param replace(bool): if True replace the data |
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294 else update them |
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295 @raise KeyError: there is not invitation with this id_ |
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296 """ |
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297 self.checkExtra(new_extra) |
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298 def gotCurrentData(current_data): |
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299 if replace: |
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300 new_data = new_extra |
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301 for k in EXTRA_RESERVED: |
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302 try: |
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303 new_data[k] = current_data[k] |
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304 except KeyError: |
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305 continue |
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306 else: |
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307 new_data = current_data |
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308 for k,v in new_extra.iteritems(): |
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309 new_data[k] = v |
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310 |
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311 self.invitations[id_] = new_data |
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312 |
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313 d = self.invitations[id_] |
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314 d.addCallback(gotCurrentData) |
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315 return d |