Mercurial > libervia-backend
annotate sat/plugins/plugin_misc_email_invitation.py @ 3162:b5c058c7692e
core (xmpp), plugin android: fixed DNS, SRV handling on Android:
Android doesn't have a "/etc/resolv.conf" that Twisted expect. As a result, SRV records
can't be checked correctly on connection.
To work around that, DNS servers used on Android are checked when necessary (on Android
plugin startup and on connectivity change), using some hacks, and Twisted is patched to
use them.
author | Goffi <goffi@goffi.org> |
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date | Sun, 09 Feb 2020 23:56:42 +0100 |
parents | 559a625a236b |
children | 1af840e84af7 |
rev | line source |
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3028 | 1 #!/usr/bin/env python3 |
3137 | 2 |
2184 | 3 |
4 # SAT plugin for file tansfer | |
3136 | 5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org) |
2184 | 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 | |
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20 import shortuuid |
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21 from twisted.internet import defer |
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22 from twisted.words.protocols.jabber import jid |
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23 from twisted.words.protocols.jabber import error |
2184 | 24 from sat.core.i18n import _, D_ |
25 from sat.core.constants import Const as C | |
26 from sat.core import exceptions | |
27 from sat.core.log import getLogger | |
28 from sat.tools import utils | |
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29 from sat.tools.common import data_format |
2184 | 30 from sat.memory import persistent |
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31 from sat.tools.common import email as sat_email |
2184 | 32 |
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33 log = getLogger(__name__) |
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34 |
2184 | 35 |
36 PLUGIN_INFO = { | |
37 C.PI_NAME: "Invitations", | |
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38 C.PI_IMPORT_NAME: "EMAIL_INVITATION", |
2184 | 39 C.PI_TYPE: C.PLUG_TYPE_MISC, |
40 C.PI_DEPENDENCIES: ['XEP-0077'], | |
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41 C.PI_RECOMMENDATIONS: ["IDENTITY"], |
2184 | 42 C.PI_MAIN: "InvitationsPlugin", |
43 C.PI_HANDLER: "no", | |
3028 | 44 C.PI_DESCRIPTION: _("""invitation of people without XMPP account""") |
2184 | 45 } |
46 | |
47 | |
48 SUFFIX_MAX = 5 | |
3028 | 49 INVITEE_PROFILE_TPL = "guest@@{uuid}" |
50 KEY_ID = 'id' | |
51 KEY_JID = 'jid' | |
52 KEY_CREATED = 'created' | |
53 KEY_LAST_CONNECTION = 'last_connection' | |
54 KEY_GUEST_PROFILE = 'guest_profile' | |
55 KEY_PASSWORD = 'password' | |
56 KEY_EMAILS_EXTRA = 'emails_extra' | |
57 EXTRA_RESERVED = {KEY_ID, KEY_JID, KEY_CREATED, 'jid_', 'jid', KEY_LAST_CONNECTION, | |
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58 KEY_GUEST_PROFILE, KEY_PASSWORD, KEY_EMAILS_EXTRA} |
3028 | 59 DEFAULT_SUBJECT = D_("You have been invited by {host_name} to {app_name}") |
60 DEFAULT_BODY = D_("""Hello {name}! | |
2184 | 61 |
62 You have received an invitation from {host_name} to participate to "{app_name}". | |
63 To join, you just have to click on the following URL: | |
64 {url} | |
65 | |
66 Please note that this URL should not be shared with anybody! | |
67 If you want more details on {app_name}, you can check {app_url}. | |
68 | |
69 Welcome! | |
70 """) | |
71 | |
72 | |
73 class InvitationsPlugin(object): | |
74 | |
75 def __init__(self, host): | |
3028 | 76 log.info(_("plugin Invitations initialization")) |
2184 | 77 self.host = host |
3028 | 78 self.invitations = persistent.LazyPersistentBinaryDict('invitations') |
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79 host.bridge.addMethod("invitationCreate", ".plugin", in_sign='sasssssssssa{ss}s', |
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80 out_sign='a{ss}', |
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81 method=self._create, |
3028 | 82 async_=True) |
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83 host.bridge.addMethod("invitationGet", ".plugin", in_sign='s', out_sign='a{ss}', |
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84 method=self.get, |
3028 | 85 async_=True) |
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86 host.bridge.addMethod("invitationModify", ".plugin", in_sign='sa{ss}b', |
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87 out_sign='', |
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88 method=self._modify, |
3028 | 89 async_=True) |
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90 host.bridge.addMethod("invitationList", ".plugin", in_sign='s', |
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91 out_sign='a{sa{ss}}', |
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92 method=self._list, |
3028 | 93 async_=True) |
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94 |
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95 def checkExtra(self, extra): |
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96 if EXTRA_RESERVED.intersection(extra): |
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97 raise ValueError( |
3028 | 98 _("You can't use following key(s) in extra, they are reserved: {}") |
99 .format(', '.join(EXTRA_RESERVED.intersection(extra)))) | |
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100 |
3028 | 101 def _create(self, email='', emails_extra=None, jid_='', password='', name='', |
102 host_name='', language='', url_template='', message_subject='', | |
103 message_body='', extra=None, profile=''): | |
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104 # XXX: we don't use **kwargs here to keep arguments name for introspection with |
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105 # D-Bus bridge |
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106 if emails_extra is None: |
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107 emails_extra = [] |
2184 | 108 |
109 if extra is None: | |
110 extra = {} | |
111 else: | |
3028 | 112 extra = {str(k): str(v) for k,v in extra.items()} |
2184 | 113 |
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114 kwargs = {"extra": extra, |
3028 | 115 KEY_EMAILS_EXTRA: [str(e) for e in emails_extra] |
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116 } |
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117 |
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118 # we need to be sure that values are unicode, else they won't be pickled correctly |
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119 # with D-Bus |
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120 for key in ("jid_", "password", "name", "host_name", "email", "language", |
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121 "url_template", "message_subject", "message_body", "profile"): |
2184 | 122 value = locals()[key] |
123 if value: | |
3028 | 124 kwargs[key] = str(value) |
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125 d = self.create(**kwargs) |
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126 def serialize(data): |
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127 data[KEY_JID] = data[KEY_JID].full() |
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128 return data |
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129 d.addCallback(serialize) |
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130 return d |
2184 | 131 |
132 @defer.inlineCallbacks | |
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133 def create(self, **kwargs): |
3028 | 134 r"""Create an invitation |
2184 | 135 |
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136 This will create an XMPP account and a profile, and use a UUID to retrieve them. |
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137 The profile is automatically generated in the form guest@@[UUID], this way they |
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138 can be retrieved easily |
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139 **kwargs: keywords arguments which can have the following keys, unset values are |
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140 equivalent to None: |
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141 jid_(jid.JID, None): jid to use for invitation, the jid will be created using |
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142 XEP-0077 |
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143 if the jid has no user part, an anonymous account will be used (no XMPP |
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144 account created in this case) |
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145 if None, automatically generate an account name (in the form |
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146 "invitation-[random UUID]@domain.tld") (note that this UUID is not the |
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147 same as the invitation one, as jid can be used publicly (leaking the |
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148 UUID), and invitation UUID give access to account. |
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149 in case of conflict, a suffix number is added to the account until a free |
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150 one if found (with a failure if SUFFIX_MAX is reached) |
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151 password(unicode, None): password to use (will be used for XMPP account and |
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152 profile) |
2184 | 153 None to automatically generate one |
154 name(unicode, None): name of the invitee | |
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155 will be set as profile identity if present |
2184 | 156 host_name(unicode, None): name of the host |
157 email(unicode, None): email to send the invitation to | |
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158 if None, no invitation email is sent, you can still associate email using |
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159 extra |
2184 | 160 if email is used, extra can't have "email" key |
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161 language(unicode): language of the invitee (used notabily to translate the |
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162 invitation) |
2184 | 163 TODO: not used yet |
164 url_template(unicode, None): template to use to construct the invitation URL | |
165 use {uuid} as a placeholder for identifier | |
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166 use None if you don't want to include URL (or if it is already specified |
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167 in custom message) |
2184 | 168 /!\ you must put full URL, don't forget https:// |
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169 /!\ the URL will give access to the invitee account, you should warn in |
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170 message to not publish it publicly |
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171 message_subject(unicode, None): customised message body for the invitation |
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172 email |
2184 | 173 None to use default subject |
174 uses the same substitution as for message_body | |
175 message_body(unicode, None): customised message body for the invitation email | |
176 None to use default body | |
177 use {name} as a place holder for invitee name | |
178 use {url} as a placeholder for the invitation url | |
179 use {uuid} as a placeholder for the identifier | |
180 use {app_name} as a placeholder for this software name | |
181 use {app_url} as a placeholder for this software official website | |
182 use {profile} as a placeholder for host's profile | |
183 use {host_name} as a placeholder for host's name | |
184 extra(dict, None): extra data to associate with the invitee | |
185 some keys are reserved: | |
186 - created (creation date) | |
187 if email argument is used, "email" key can't be used | |
188 profile(unicode, None): profile of the host (person who is inviting) | |
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189 @return (dict[unicode, unicode]): dictionary with: |
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190 - UUID associated with the invitee (key: id) |
2184 | 191 - filled extra dictionary, as saved in the databae |
192 """ | |
193 ## initial checks | |
194 extra = kwargs.pop('extra', {}) | |
195 if set(kwargs).intersection(extra): | |
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196 raise ValueError( |
3028 | 197 _("You can't use following key(s) in both args and extra: {}").format( |
198 ', '.join(set(kwargs).intersection(extra)))) | |
2184 | 199 |
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200 self.checkExtra(extra) |
2184 | 201 |
3028 | 202 email = kwargs.pop('email', None) |
203 emails_extra = kwargs.pop('emails_extra', []) | |
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204 if not email and emails_extra: |
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205 raise ValueError( |
3028 | 206 _('You need to provide a main email address before using emails_extra')) |
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207 |
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208 if (email is not None |
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209 and not 'url_template' in kwargs |
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210 and not 'message_body' in kwargs): |
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211 raise ValueError( |
3028 | 212 _("You need to provide url_template if you use default message body")) |
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213 |
2184 | 214 ## uuid |
3028 | 215 log.info(_("creating an invitation")) |
216 id_ = str(shortuuid.uuid()) | |
2184 | 217 |
218 ## XMPP account creation | |
3028 | 219 password = kwargs.pop('password', None) |
2184 | 220 if password is None: |
221 password = utils.generatePassword() | |
222 assert password | |
223 # XXX: password is here saved in clear in database | |
224 # it is needed for invitation as the same password is used for profile | |
225 # and SàT need to be able to automatically open the profile with the uuid | |
226 # FIXME: we could add an extra encryption key which would be used with the uuid | |
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227 # when the invitee is connecting (e.g. with URL). This key would not be |
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228 # saved and could be used to encrypt profile password. |
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229 extra[KEY_PASSWORD] = password |
2184 | 230 |
3028 | 231 jid_ = kwargs.pop('jid_', None) |
2184 | 232 if not jid_: |
233 domain = self.host.memory.getConfig(None, 'xmpp_domain') | |
234 if not domain: | |
235 # TODO: fallback to profile's domain | |
3028 | 236 raise ValueError(_("You need to specify xmpp_domain in sat.conf")) |
237 jid_ = "invitation-{uuid}@{domain}".format(uuid=shortuuid.uuid(), | |
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238 domain=domain) |
2184 | 239 jid_ = jid.JID(jid_) |
240 if jid_.user: | |
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241 # we don't register account if there is no user as anonymous login is then |
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242 # used |
2184 | 243 try: |
244 yield self.host.plugins['XEP-0077'].registerNewAccount(jid_, password) | |
245 except error.StanzaError as e: | |
246 prefix = jid_.user | |
247 idx = 0 | |
3028 | 248 while e.condition == 'conflict': |
2184 | 249 if idx >= SUFFIX_MAX: |
3028 | 250 raise exceptions.ConflictError(_("Can't create XMPP account")) |
251 jid_.user = prefix + '_' + str(idx) | |
252 log.info(_("requested jid already exists, trying with {}".format( | |
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253 jid_.full()))) |
2184 | 254 try: |
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255 yield self.host.plugins['XEP-0077'].registerNewAccount(jid_, |
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256 password) |
3040 | 257 except error.StanzaError: |
2184 | 258 idx += 1 |
259 else: | |
260 break | |
3028 | 261 if e.condition != 'conflict': |
2184 | 262 raise e |
263 | |
3028 | 264 log.info(_("account {jid_} created").format(jid_=jid_.full())) |
2184 | 265 |
266 ## profile creation | |
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267 |
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268 extra[KEY_GUEST_PROFILE] = guest_profile = INVITEE_PROFILE_TPL.format(uuid=id_) |
2184 | 269 # profile creation should not fail as we generate unique name ourselves |
270 yield self.host.memory.createProfile(guest_profile, password) | |
271 yield self.host.memory.startSession(password, guest_profile) | |
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272 yield self.host.memory.setParam("JabberID", jid_.full(), "Connection", |
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273 profile_key=guest_profile) |
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274 yield self.host.memory.setParam("Password", password, "Connection", |
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275 profile_key=guest_profile) |
3028 | 276 name = kwargs.pop('name', None) |
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277 if name is not None: |
3028 | 278 extra['name'] = name |
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279 try: |
3028 | 280 id_plugin = self.host.plugins['IDENTITY'] |
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281 except KeyError: |
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282 pass |
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283 else: |
3120 | 284 yield defer.ensureDeferred(self.host.connect(guest_profile, password)) |
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285 guest_client = self.host.getClient(guest_profile) |
3028 | 286 yield id_plugin.setIdentity(guest_client, {'nick': name}) |
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287 yield self.host.disconnect(guest_profile) |
2184 | 288 |
289 ## email | |
3028 | 290 language = kwargs.pop('language', None) |
2184 | 291 if language is not None: |
3028 | 292 extra['language'] = language.strip() |
2184 | 293 |
294 if email is not None: | |
3028 | 295 extra['email'] = email |
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296 data_format.iter2dict(KEY_EMAILS_EXTRA, extra) |
3028 | 297 url_template = kwargs.pop('url_template', '') |
2184 | 298 format_args = { |
3028 | 299 'uuid': id_, |
300 'app_name': C.APP_NAME, | |
301 'app_url': C.APP_URL} | |
2184 | 302 |
303 if name is None: | |
3028 | 304 format_args['name'] = email |
2184 | 305 else: |
3028 | 306 format_args['name'] = name |
2184 | 307 |
3028 | 308 profile = kwargs.pop('profile', None) |
2184 | 309 if profile is None: |
3028 | 310 format_args['profile'] = '' |
2184 | 311 else: |
3028 | 312 format_args['profile'] = extra['profile'] = profile |
2184 | 313 |
3028 | 314 host_name = kwargs.pop('host_name', None) |
2184 | 315 if host_name is None: |
3028 | 316 format_args['host_name'] = profile or _("somebody") |
2184 | 317 else: |
3028 | 318 format_args['host_name'] = extra['host_name'] = host_name |
2184 | 319 |
320 invite_url = url_template.format(**format_args) | |
3028 | 321 format_args['url'] = invite_url |
2184 | 322 |
323 yield sat_email.sendEmail( | |
3040 | 324 self.host.memory.config, |
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325 [email] + emails_extra, |
3028 | 326 (kwargs.pop('message_subject', None) or DEFAULT_SUBJECT).format( |
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327 **format_args), |
3028 | 328 (kwargs.pop('message_body', None) or DEFAULT_BODY).format(**format_args), |
2184 | 329 ) |
330 | |
331 ## extra data saving | |
332 self.invitations[id_] = extra | |
333 | |
334 if kwargs: | |
3028 | 335 log.warning(_("Not all arguments have been consumed: {}").format(kwargs)) |
2184 | 336 |
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337 extra[KEY_ID] = id_ |
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338 extra[KEY_JID] = jid_ |
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339 defer.returnValue(extra) |
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340 |
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341 def get(self, id_): |
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342 """Retrieve invitation linked to uuid if it exists |
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343 |
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344 @param id_(unicode): UUID linked to an invitation |
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345 @return (dict[unicode, unicode]): data associated to the invitation |
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346 @raise KeyError: there is not invitation with this id_ |
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347 """ |
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348 return self.invitations[id_] |
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349 |
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350 def _modify(self, id_, new_extra, replace): |
3028 | 351 return self.modify(id_, {str(k): str(v) for k,v in new_extra.items()}, |
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352 replace) |
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353 |
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354 def modify(self, id_, new_extra, replace=False): |
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355 """Modify invitation data |
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356 |
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357 @param id_(unicode): UUID linked to an invitation |
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358 @param new_extra(dict[unicode, unicode]): data to update |
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359 empty values will be deleted if replace is True |
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360 @param replace(bool): if True replace the data |
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361 else update them |
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362 @raise KeyError: there is not invitation with this id_ |
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363 """ |
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364 self.checkExtra(new_extra) |
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365 def gotCurrentData(current_data): |
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366 if replace: |
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367 new_data = new_extra |
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368 for k in EXTRA_RESERVED: |
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369 try: |
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370 new_data[k] = current_data[k] |
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371 except KeyError: |
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372 continue |
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373 else: |
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374 new_data = current_data |
3028 | 375 for k,v in new_extra.items(): |
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376 if k in EXTRA_RESERVED: |
3028 | 377 log.warning(_("Skipping reserved key {key}".format(k))) |
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378 continue |
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379 if v: |
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380 new_data[k] = v |
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381 else: |
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382 try: |
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383 del new_data[k] |
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384 except KeyError: |
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385 pass |
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386 |
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387 self.invitations[id_] = new_data |
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388 |
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389 d = self.invitations[id_] |
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390 d.addCallback(gotCurrentData) |
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391 return d |
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392 |
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393 def _list(self, profile=C.PROF_KEY_NONE): |
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394 return self.list(profile) |
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395 |
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396 @defer.inlineCallbacks |
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397 def list(self, profile=C.PROF_KEY_NONE): |
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398 """List invitations |
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399 |
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400 @param profile(unicode): return invitation linked to this profile only |
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401 C.PROF_KEY_NONE: don't filter invitations |
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402 @return list(unicode): invitations uids |
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403 """ |
3040 | 404 invitations = yield self.invitations.items() |
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405 if profile != C.PROF_KEY_NONE: |
3028 | 406 invitations = {id_:data for id_, data in invitations.items() |
407 if data.get('profile') == profile} | |
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408 |
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409 defer.returnValue(invitations) |