Mercurial > libervia-backend
annotate src/plugins/plugin_misc_imap.py @ 921:8dd168c7741c
plugin text commands: refactoring:
- commands can now return a deferred
- if commands return True, message is sent, else it is cancelled
- the escape sequence is now '//' instead of '\/'
- added software version to /whois command
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sat, 22 Mar 2014 13:47:33 +0100 |
| parents | bfabeedbf32e |
| children | 301b342c697a |
| rev | line source |
|---|---|
| 253 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
|
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4 # SàT plugin for managing imap server |
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5 # Copyright (C) 2011 Jérôme Poisson (goffi@goffi.org) |
| 253 | 6 |
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7 # This program is free software: you can redistribute it and/or modify |
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8 # it under the terms of the GNU Affero General Public License as published by |
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9 # the Free Software Foundation, either version 3 of the License, or |
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10 # (at your option) any later version. |
| 253 | 11 |
|
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12 # This program is distributed in the hope that it will be useful, |
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 # GNU Affero General Public License for more details. |
| 253 | 16 |
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17 # You should have received a copy of the GNU Affero General Public License |
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 253 | 19 |
| 771 | 20 from sat.core.i18n import _ |
| 253 | 21 from logging import debug, info, error |
| 22 import warnings | |
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23 from twisted.internet import protocol, defer |
| 253 | 24 from twisted.words.protocols.jabber import error as jab_error |
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25 from twisted.cred import portal, checkers, credentials |
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26 from twisted.cred import error as cred_error |
| 253 | 27 from twisted.mail import imap4 |
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28 from twisted.python import failure |
| 253 | 29 from email.parser import Parser |
| 30 import email.message | |
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31 import os |
| 253 | 32 from cStringIO import StringIO |
| 33 from twisted.internet import reactor | |
| 34 import pdb | |
| 35 | |
| 36 from zope.interface import implements | |
| 37 | |
| 38 PLUGIN_INFO = { | |
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39 "name": "IMAP server Plugin", |
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40 "import_name": "IMAP", |
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41 "type": "Misc", |
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42 "protocols": [], |
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43 "dependencies": ["Maildir"], |
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44 "main": "IMAP_server", |
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45 "handler": "no", |
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46 "description": _("""Create an Imap server that you can use to read your "normal" type messages""") |
| 253 | 47 } |
| 48 | |
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49 |
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50 class IMAP_server(object): |
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51 #TODO: connect profile on mailbox request, once password is accepted |
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52 |
| 253 | 53 params = """ |
| 54 <params> | |
| 55 <general> | |
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56 <category name="Mail Server"> |
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57 <param name="IMAP Port" value="10143" type="string" /> |
| 253 | 58 </category> |
| 59 </general> | |
| 60 </params> | |
| 61 """ | |
| 62 | |
| 63 def __init__(self, host): | |
| 64 info(_("Plugin Imap Server initialization")) | |
| 65 self.host = host | |
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66 |
| 253 | 67 #parameters |
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68 host.memory.updateParams(self.params) |
| 253 | 69 |
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70 port = int(self.host.memory.getParamA("IMAP Port", "Mail Server")) |
| 253 | 71 info(_("Launching IMAP server on port %d"), port) |
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72 |
| 253 | 73 self.server_factory = ImapServerFactory(self.host) |
| 74 reactor.listenTCP(port, self.server_factory) | |
| 75 | |
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76 |
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77 class Message(object): |
| 253 | 78 implements(imap4.IMessage) |
| 79 | |
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80 def __init__(self, uid, flags, mess_fp): |
| 253 | 81 debug('Message Init') |
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82 self.uid = uid |
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83 self.flags = flags |
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84 self.mess_fp = mess_fp |
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85 self.message = Parser().parse(mess_fp) |
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86 |
| 253 | 87 def getUID(self): |
| 88 """Retrieve the unique identifier associated with this message. | |
| 89 """ | |
| 90 debug('getUID (message)') | |
| 91 return self.uid | |
| 92 | |
| 93 def getFlags(self): | |
| 94 """Retrieve the flags associated with this message. | |
| 95 @return: The flags, represented as strings. | |
| 96 """ | |
| 97 debug('getFlags') | |
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98 return self.flags |
| 253 | 99 |
| 100 def getInternalDate(self): | |
| 101 """Retrieve the date internally associated with this message. | |
| 102 @return: An RFC822-formatted date string. | |
| 103 """ | |
| 104 debug('getInternalDate') | |
| 105 return self.message['Date'] | |
| 106 | |
| 107 def getHeaders(self, negate, *names): | |
| 108 """Retrieve a group of message headers. | |
| 109 @param names: The names of the headers to retrieve or omit. | |
| 110 @param negate: If True, indicates that the headers listed in names | |
| 111 should be omitted from the return value, rather than included. | |
| 112 @return: A mapping of header field names to header field values | |
| 113 """ | |
| 114 debug('getHeaders %s - %s' % (negate, names)) | |
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115 final_dict = {} |
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116 to_check = [name.lower() for name in names] |
| 253 | 117 for header in self.message.keys(): |
| 118 if (negate and not header.lower() in to_check) or \ | |
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119 (not negate and header.lower() in to_check): |
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120 final_dict[header] = self.message[header] |
| 253 | 121 return final_dict |
| 122 | |
| 123 def getBodyFile(self): | |
| 124 """Retrieve a file object containing only the body of this message. | |
| 125 """ | |
| 126 debug('getBodyFile') | |
| 127 return StringIO(self.message.get_payload()) | |
| 128 | |
| 129 def getSize(self): | |
| 130 """Retrieve the total size, in octets, of this message. | |
| 131 """ | |
| 132 debug('getSize') | |
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133 self.mess_fp.seek(0, os.SEEK_END) |
| 253 | 134 return self.mess_fp.tell() |
| 135 | |
| 136 def isMultipart(self): | |
| 137 """Indicate whether this message has subparts. | |
| 138 """ | |
| 139 debug('isMultipart') | |
| 140 return False | |
| 141 | |
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142 def getSubPart(self, part): |
| 253 | 143 """Retrieve a MIME sub-message |
| 144 @param part: The number of the part to retrieve, indexed from 0. | |
| 145 @return: The specified sub-part. | |
| 146 """ | |
| 147 debug('getSubPart') | |
| 148 return TypeError | |
| 149 | |
| 150 | |
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151 class SatMailbox(object): |
| 253 | 152 implements(imap4.IMailbox) |
| 153 | |
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154 def __init__(self, host, name, profile): |
| 253 | 155 self.host = host |
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156 self.listeners = set() |
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157 debug('Mailbox init (%s)', name) |
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158 if name != "INBOX": |
| 253 | 159 raise imap4.MailboxException("Only INBOX is managed for the moment") |
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160 self.mailbox = self.host.plugins["Maildir"].accessMessageBox(name, self.newMessage, profile) |
| 253 | 161 |
| 162 def newMessage(self): | |
| 163 """Called when a new message is in the mailbox""" | |
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164 debug("newMessage signal received") |
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165 nb_messages = self.getMessageCount() |
| 253 | 166 for listener in self.listeners: |
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167 listener.newMessages(nb_messages, None) |
| 253 | 168 |
| 169 def getUIDValidity(self): | |
| 170 """Return the unique validity identifier for this mailbox. | |
| 171 """ | |
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172 debug('getUIDValidity') |
| 253 | 173 return 0 |
| 174 | |
| 175 def getUIDNext(self): | |
| 176 """Return the likely UID for the next message added to this mailbox. | |
| 177 """ | |
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178 debug('getUIDNext') |
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179 return self.mailbox.getNextUid() |
| 253 | 180 |
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181 def getUID(self, message): |
| 253 | 182 """Return the UID of a message in the mailbox |
| 183 @param message: The message sequence number | |
| 184 @return: The UID of the message. | |
| 185 """ | |
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186 debug('getUID (%i)' % message) |
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187 #return self.mailbox.getUid(message-1) #XXX: it seems that this method get uid and not message sequence number |
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188 return message |
| 253 | 189 |
| 190 def getMessageCount(self): | |
| 191 """Return the number of messages in this mailbox. | |
| 192 """ | |
| 193 debug('getMessageCount') | |
| 194 ret = self.mailbox.getMessageCount() | |
| 195 debug("count = %i" % ret) | |
| 196 return ret | |
| 197 | |
| 198 def getRecentCount(self): | |
| 199 """Return the number of messages with the 'Recent' flag. | |
| 200 """ | |
| 201 debug('getRecentCount') | |
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202 return len(self.mailbox.getMessageIdsWithFlag('\\Recent')) |
| 253 | 203 |
| 204 def getUnseenCount(self): | |
| 205 """Return the number of messages with the 'Unseen' flag. | |
| 206 """ | |
| 207 debug('getUnseenCount') | |
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208 return self.getMessageCount() - len(self.mailbox.getMessageIdsWithFlag('\\SEEN')) |
| 253 | 209 |
| 210 def isWriteable(self): | |
| 211 """Get the read/write status of the mailbox. | |
| 212 @return: A true value if write permission is allowed, a false value otherwise. | |
| 213 """ | |
| 214 debug('isWriteable') | |
| 215 return True | |
| 216 | |
| 217 def destroy(self): | |
| 218 """Called before this mailbox is deleted, permanently. | |
| 219 """ | |
| 220 debug('destroy') | |
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221 |
| 253 | 222 def requestStatus(self, names): |
| 223 """Return status information about this mailbox. | |
| 224 @param names: The status names to return information regarding. | |
| 225 The possible values for each name are: MESSAGES, RECENT, UIDNEXT, | |
| 226 UIDVALIDITY, UNSEEN. | |
| 227 @return: A dictionary containing status information about the | |
| 228 requested names is returned. If the process of looking this | |
| 229 information up would be costly, a deferred whose callback will | |
| 230 eventually be passed this dictionary is returned instead. | |
| 231 """ | |
| 232 debug('requestStatus') | |
| 233 return imap4.statusRequestHelper(self, names) | |
| 234 | |
| 235 def addListener(self, listener): | |
| 236 """Add a mailbox change listener | |
| 237 | |
| 238 @type listener: Any object which implements C{IMailboxListener} | |
| 239 @param listener: An object to add to the set of those which will | |
| 240 be notified when the contents of this mailbox change. | |
| 241 """ | |
| 242 debug('addListener %s' % listener) | |
| 243 self.listeners.add(listener) | |
| 244 | |
| 245 def removeListener(self, listener): | |
| 246 """Remove a mailbox change listener | |
| 247 | |
| 248 @type listener: Any object previously added to and not removed from | |
| 249 this mailbox as a listener. | |
| 250 @param listener: The object to remove from the set of listeners. | |
| 251 | |
| 252 @raise ValueError: Raised when the given object is not a listener for | |
| 253 this mailbox. | |
| 254 """ | |
| 255 debug('removeListener') | |
| 256 if listener in self.listeners: | |
| 257 self.listeners.remove(listener) | |
| 258 else: | |
| 259 raise imap4.MailboxException('Trying to remove an unknown listener') | |
| 260 | |
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261 def addMessage(self, message, flags=(), date=None): |
| 253 | 262 """Add the given message to this mailbox. |
| 263 @param message: The RFC822 formatted message | |
| 264 @param flags: The flags to associate with this message | |
| 265 @param date: If specified, the date to associate with this | |
| 266 @return: A deferred whose callback is invoked with the message | |
| 267 id if the message is added successfully and whose errback is | |
| 268 invoked otherwise. | |
| 269 """ | |
| 270 debug('addMessage') | |
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271 raise imap4.MailboxException("Client message addition not implemented yet") |
| 253 | 272 |
| 273 def expunge(self): | |
| 274 """Remove all messages flagged \\Deleted. | |
| 275 @return: The list of message sequence numbers which were deleted, | |
| 276 or a Deferred whose callback will be invoked with such a list. | |
| 277 """ | |
| 278 debug('expunge') | |
|
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279 self.mailbox.removeDeleted() |
| 253 | 280 |
| 281 def fetch(self, messages, uid): | |
| 282 """Retrieve one or more messages. | |
| 283 @param messages: The identifiers of messages to retrieve information | |
| 284 about | |
| 285 @param uid: If true, the IDs specified in the query are UIDs; | |
| 286 """ | |
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287 debug('fetch (%s, %s)' % (messages, uid)) |
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288 if uid: |
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289 messages.last = self.mailbox.getMaxUid() |
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290 messages.getnext = self.mailbox.getNextExistingUid |
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291 for mess_uid in messages: |
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292 if mess_uid is None: |
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293 debug('stopping iteration') |
|
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294 raise StopIteration |
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295 try: |
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296 yield (mess_uid, Message(mess_uid, self.mailbox.getFlagsUid(mess_uid), self.mailbox.getMessageUid(mess_uid))) |
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297 except IndexError: |
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298 continue |
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299 else: |
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300 messages.last = self.getMessageCount() |
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301 for mess_idx in messages: |
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302 if mess_idx > self.getMessageCount(): |
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303 raise StopIteration |
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304 yield (mess_idx, Message(mess_idx, self.mailbox.getFlags(mess_idx), self.mailbox.getMessage(mess_idx - 1))) |
| 253 | 305 |
| 306 def store(self, messages, flags, mode, uid): | |
| 307 """Set the flags of one or more messages. | |
| 308 @param messages: The identifiers of the messages to set the flags of. | |
| 309 @param flags: The flags to set, unset, or add. | |
| 310 @param mode: If mode is -1, these flags should be removed from the | |
| 311 specified messages. If mode is 1, these flags should be added to | |
| 312 the specified messages. If mode is 0, all existing flags should be | |
| 313 cleared and these flags should be added. | |
| 314 @param uid: If true, the IDs specified in the query are UIDs; | |
| 315 otherwise they are message sequence IDs. | |
| 316 @return: A dict mapping message sequence numbers to sequences of str | |
| 317 representing the flags set on the message after this operation has | |
| 318 been performed, or a Deferred whose callback will be invoked with | |
| 319 such a dict. | |
| 320 """ | |
| 321 debug('store') | |
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322 |
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323 flags = [flag.upper() for flag in flags] |
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324 |
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325 def updateFlags(getF, setF): |
|
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326 ret = {} |
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327 for mess_id in messages: |
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328 if (uid and mess_id is None) or (not uid and mess_id > self.getMessageCount()): |
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329 break |
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330 _flags = set(getF(mess_id) if mode else []) |
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331 if mode == -1: |
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332 _flags.difference_update(set(flags)) |
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333 else: |
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334 _flags.update(set(flags)) |
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335 new_flags = list(_flags) |
|
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336 setF(mess_id, new_flags) |
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337 ret[mess_id] = tuple(new_flags) |
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338 return ret |
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339 |
|
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340 if uid: |
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341 messages.last = self.mailbox.getMaxUid() |
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342 messages.getnext = self.mailbox.getNextExistingUid |
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343 ret = updateFlags(self.mailbox.getFlagsUid, self.mailbox.setFlagsUid) |
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344 for listener in self.listeners: |
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345 listener.flagsChanged(ret) |
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346 return ret |
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347 |
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348 else: |
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349 messages.last = self.getMessageCount() |
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350 ret = updateFlags(self.mailbox.getFlags, self.mailbox.setFlags) |
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351 newFlags = {} |
|
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352 for idx in ret: |
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353 #we have to convert idx to uid for the listeners |
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354 newFlags[self.mailbox.getUid(idx)] = ret[idx] |
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355 for listener in self.listeners: |
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356 listener.flagsChanged(newFlags) |
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357 return ret |
| 253 | 358 |
| 359 def getFlags(self): | |
| 360 """Return the flags defined in this mailbox | |
| 361 Flags with the \\ prefix are reserved for use as system flags. | |
| 362 @return: A list of the flags that can be set on messages in this mailbox. | |
| 363 """ | |
| 364 debug('getFlags') | |
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365 return ['\\SEEN', '\\ANSWERED', '\\FLAGGED', '\\DELETED', '\\DRAFT'] # TODO: add '\\RECENT' |
| 253 | 366 |
| 367 def getHierarchicalDelimiter(self): | |
| 368 """Get the character which delimits namespaces for in this mailbox. | |
| 369 """ | |
| 370 debug('getHierarchicalDelimiter') | |
| 371 return '.' | |
| 372 | |
|
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373 |
|
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374 class ImapSatAccount(imap4.MemoryAccount): |
| 253 | 375 #implements(imap4.IAccount) |
| 376 | |
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377 def __init__(self, host, profile): |
| 253 | 378 debug("ImapAccount init") |
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379 self.host = host |
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380 self.profile = profile |
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381 imap4.MemoryAccount.__init__(self, profile) |
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382 self.addMailbox("Inbox") # We only manage Inbox for the moment |
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383 debug('INBOX added') |
| 253 | 384 |
| 385 def _emptyMailbox(self, name, id): | |
|
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386 return SatMailbox(self.host, name, self.profile) |
| 253 | 387 |
| 388 | |
|
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389 class ImapRealm(object): |
| 253 | 390 implements(portal.IRealm) |
| 391 | |
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392 def __init__(self, host): |
| 253 | 393 self.host = host |
| 394 | |
| 395 def requestAvatar(self, avatarID, mind, *interfaces): | |
| 396 debug('requestAvatar') | |
|
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397 profile = avatarID.decode('utf-8') |
| 253 | 398 if imap4.IAccount not in interfaces: |
| 399 raise NotImplementedError | |
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400 return imap4.IAccount, ImapSatAccount(self.host, profile), lambda: None |
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401 |
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402 |
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403 class SatProfileCredentialChecker(object): |
|
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404 """ |
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405 This credential checker check against SàT's profile and associated jabber's password |
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406 Check if the profile exists, and if the password is OK |
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407 Return the profile as avatarId |
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408 """ |
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409 implements(checkers.ICredentialsChecker) |
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410 credentialInterfaces = (credentials.IUsernamePassword, |
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411 credentials.IUsernameHashedPassword) |
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412 |
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413 def __init__(self, host): |
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414 self.host = host |
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415 |
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416 def _cbPasswordMatch(self, matched, profile): |
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417 if matched: |
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418 return profile.encode('utf-8') |
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419 else: |
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420 return failure.Failure(cred_error.UnauthorizedLogin()) |
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421 |
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422 def requestAvatarId(self, credentials): |
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423 profiles = self.host.memory.getProfilesList() |
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424 if not credentials.username in profiles: |
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425 return defer.fail(cred_error.UnauthorizedLogin()) |
|
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426 d = self.host.memory.asyncGetParamA("Password", "Connection", profile_key=credentials.username) |
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427 d.addCallback(lambda password: credentials.checkPassword(password)) |
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diff
changeset
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428 d.addCallback(self._cbPasswordMatch, credentials.username) |
|
89f9a50ce7bf
core, plugin imap, plugin smtp: fixed SMTP/IMAP integration. /!\ Profile need to be connected for IMAP server to work (will change in the future)
Goffi <goffi@goffi.org>
parents:
480
diff
changeset
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429 return d |
| 253 | 430 |
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594
e629371a28d3
Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
588
diff
changeset
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431 |
| 253 | 432 class ImapServerFactory(protocol.ServerFactory): |
| 433 protocol = imap4.IMAP4Server | |
| 434 | |
| 435 def __init__(self, host): | |
|
594
e629371a28d3
Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
588
diff
changeset
|
436 self.host = host |
| 253 | 437 |
| 438 def startedConnecting(self, connector): | |
|
594
e629371a28d3
Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
588
diff
changeset
|
439 debug(_("IMAP server connection started")) |
| 253 | 440 |
| 441 def clientConnectionLost(self, connector, reason): | |
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594
e629371a28d3
Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
588
diff
changeset
|
442 debug(_("IMAP server connection lost (reason: %s)"), reason) |
| 253 | 443 |
| 444 def buildProtocol(self, addr): | |
|
594
e629371a28d3
Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
588
diff
changeset
|
445 debug("Building protocol") |
| 253 | 446 prot = protocol.ServerFactory.buildProtocol(self, addr) |
| 447 prot.portal = portal.Portal(ImapRealm(self.host)) | |
|
257
012c38b56cdd
plugin IMAP, plugin Maildir: profile management
Goffi <goffi@goffi.org>
parents:
255
diff
changeset
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448 prot.portal.registerChecker(SatProfileCredentialChecker(self.host)) |
| 253 | 449 return prot |