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authormathieui <mathieui@mathieui.net>2018-08-12 12:59:40 +0200
committermathieui <mathieui@mathieui.net>2018-08-12 13:03:01 +0200
commit31fc9d00f5d29334055664a6acd7d195dc9f6760 (patch)
tree8716c814c73a7c6febf655746485cfad430a7f61 /plugins
parent7d3403d288fd12edf9b21e6585193c1f82ceaf3a (diff)
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Update the OTR plugin
make it more restrictive and give some hints
Diffstat (limited to 'plugins')
-rw-r--r--plugins/otr.py120
1 files changed, 61 insertions, 59 deletions
diff --git a/plugins/otr.py b/plugins/otr.py
index dbaaac7c..d5e45384 100644
--- a/plugins/otr.py
+++ b/plugins/otr.py
@@ -44,11 +44,26 @@ Install the python module:
You can also use pip in a virtualenv (built-in as pyvenv_ with python since 3.3)
with the requirements.txt at the root of the poezio directory.
+Important details
+-----------------
+
+The OTR session is considered for a full JID (e.g. toto@example/**client1**),
+but the trust is set with a bare JID (e.g. toto@example). This is important
+in the case of Private Chats (in a chatroom), since you cannot always get the
+real JID of your contact (or check if the same nick is used by different people).
+
+.. note::
+
+ This also means that you cannot have an OTR session in the "common"
+ conversation tab, which is not locked to a specific JID. After activating
+ the plugin, you need to open a session with a full JID to be able to use
+ OTR.
Usage
-----
-Command added to Conversation Tabs and Private Tabs:
+Command added to Static Conversation Tabs (opened with ``/message foo@bar/baz`` or
+by expanding a contact in the roster) and Private Tabs:
.. glossary::
@@ -161,14 +176,6 @@ Configuration
The :term:`require_encryption`, :term:`decode_xhtml`, :term:`decode_entities`
and :term:`log` configuration parameters are tab-specific.
-Important details
------------------
-
-The OTR session is considered for a full JID (e.g. toto@example/**client1**),
-but the trust is set with a bare JID (e.g. toto@example). This is important
-in the case of Private Chats (in a chatroom), since you cannot always get the
-real JID of your contact (or check if the same nick is used by different people).
-
.. _Off The Record messaging: http://wiki.xmpp.org/web/OTR
.. _pyvenv: https://docs.python.org/3/using/scripts.html#pyvenv-creating-virtual-environments
@@ -188,12 +195,13 @@ from potr.context import NotEncryptedError, UnencryptedMessage, ErrorReceived, N
STATE_ENCRYPTED, STATE_PLAINTEXT, STATE_FINISHED, Context, Account, crypt
from poezio import common
-from poezio import xhtml
from poezio import xdg
+from poezio import xhtml
from poezio.common import safeJID
from poezio.config import config
from poezio.plugin import BasePlugin
-from poezio.tabs import ConversationTab, DynamicConversationTab, PrivateTab
+from poezio.roster import roster
+from poezio.tabs import StaticConversationTab, PrivateTab
from poezio.theming import get_theme, dump_tuple
from poezio.decorators import command_args_parser
from poezio.core.structs import Completion
@@ -234,6 +242,15 @@ MESSAGE_NOT_SENT = _('%(info)sYour message to %(jid_c)s%(jid)s%(info)s was'
'encrypted session.\nWait until it is established or '
'change your configuration.')
+INCOMPATIBLE_TAB = _('%(info)sYour message to %(jid_c)s%(jid)s%(info)s was'
+ ' not sent because your configuration requires an '
+ 'encrypted session and the current tab is a bare-jid '
+ 'one, with which you cannot open or use an OTR session.'
+ ' You need to open a fulljid tab with /message if you '
+ 'want to use OTR.%(help)s')
+
+TAB_HELP_RESOURCE = _('\nChoose the relevant one among the following:%s')
+
OTR_REQUEST = _('%(info)sOTR request to %(jid_c)s%(jid)s%(info)s sent.')
OTR_OWN_FPR = _('%(info)sYour OTR key fingerprint is '
@@ -304,6 +321,7 @@ TRUST_REMOVED = _('%(info)sYou removed %(jid_c)s%(bare_jid)s%(info)s with '
KEY_DROPPED = _('%(info)sPrivate key dropped.')
+
def hl(tab):
"""
Make a tab beep and change its status.
@@ -363,10 +381,7 @@ class PoezioContext(Context):
tab = self.core.tabs.by_name(self.peer)
if not tab:
- tab = self.core.tabs.by_name(safeJID(self.peer).bare,
- DynamicConversationTab)
- if tab and not tab.locked_resource == safeJID(self.peer).resource:
- tab = None
+ tab = None
if self.state == STATE_ENCRYPTED:
if newstate == STATE_ENCRYPTED and tab:
log.debug('OTR conversation with %s refreshed', self.peer)
@@ -489,7 +504,7 @@ class Plugin(BasePlugin):
self.api.add_event_handler('conversation_say_after', self.on_conversation_say)
self.api.add_event_handler('private_say_after', self.on_conversation_say)
- ConversationTab.add_information_element('otr', self.display_encryption_status)
+ StaticConversationTab.add_information_element('otr', self.display_encryption_status)
PrivateTab.add_information_element('otr', self.display_encryption_status)
self.core.xmpp.plugin['xep_0030'].add_feature('urn:xmpp:otr:0')
@@ -514,14 +529,14 @@ class Plugin(BasePlugin):
'ask: Start a verification, with a question or not\n'
'answer: Finish a verification\n')
- self.api.add_tab_command(ConversationTab, 'otrsmp', self.command_smp,
+ self.api.add_tab_command(StaticConversationTab, 'otrsmp', self.command_smp,
help=smp_desc, usage=smp_usage, short=smp_short,
completion=self.completion_smp)
self.api.add_tab_command(PrivateTab, 'otrsmp', self.command_smp,
help=smp_desc, usage=smp_usage, short=smp_short,
completion=self.completion_smp)
- self.api.add_tab_command(ConversationTab, 'otr', self.command_otr,
+ self.api.add_tab_command(StaticConversationTab, 'otr', self.command_otr,
help=desc, usage=usage, short=shortdesc,
completion=self.completion_otr)
self.api.add_tab_command(PrivateTab, 'otr', self.command_otr,
@@ -534,7 +549,7 @@ class Plugin(BasePlugin):
self.core.xmpp.plugin['xep_0030'].del_feature(feature='urn:xmpp:otr:0')
- ConversationTab.remove_information_element('otr')
+ StaticConversationTab.remove_information_element('otr')
PrivateTab.remove_information_element('otr')
def get_context(self, jid):
@@ -734,10 +749,6 @@ class Plugin(BasePlugin):
def find_encrypted_context_with_matching(self, bare_jid):
"""
Find an OTR session from a bare JID.
-
- Useful when a dynamic tab unlocks, which would lead to sending
- unencrypted messages until it locks again, if we didn’t fallback
- with this.
"""
for ctx in self.contexts:
if safeJID(ctx).bare == bare_jid and self.contexts[ctx].state == STATE_ENCRYPTED:
@@ -748,13 +759,8 @@ class Plugin(BasePlugin):
"""
On message sent
"""
- if isinstance(tab, DynamicConversationTab) and tab.locked_resource:
- jid = safeJID(tab.name)
- jid.resource = tab.locked_resource
- name = jid.full
- else:
- name = tab.name
- jid = safeJID(tab.name)
+ name = tab.name
+ jid = safeJID(tab.name)
format_dict = {
'jid_c': '\x19%s}' % dump_tuple(get_theme().COLOR_MUC_JID),
@@ -762,17 +768,13 @@ class Plugin(BasePlugin):
'jid': name,
}
- ctx = None
+ ctx = self.find_encrypted_context_with_matching(jid)
default_ctx = self.get_context(name)
- if isinstance(tab, DynamicConversationTab) and not tab.locked_resource:
- log.debug('Unlocked tab %s found, falling back to the first encrypted chat we find.', name)
- ctx = self.find_encrypted_context_with_matching(jid.bare)
-
if ctx is None:
ctx = default_ctx
- if ctx and ctx.state == STATE_ENCRYPTED:
+ if is_relevant(tab) and ctx and ctx.state == STATE_ENCRYPTED:
ctx.sendMessage(0, msg['body'].encode('utf-8'))
if not tab.send_chat_state('active'):
tab.send_chat_state('inactive', always_send=True)
@@ -787,12 +789,28 @@ class Plugin(BasePlugin):
del msg['body']
del msg['replace']
del msg['html']
- elif ctx and ctx.getPolicy('REQUIRE_ENCRYPTION'):
- tab.add_message(MESSAGE_NOT_SENT % format_dict, typ=0)
+ elif is_relevant(tab) and ctx and ctx.getPolicy('REQUIRE_ENCRYPTION'):
+ warning_msg = MESSAGE_NOT_SENT % format_dict
+ tab.add_message(warning_msg, typ=0)
del msg['body']
del msg['replace']
del msg['html']
self.otr_start(tab, name, format_dict)
+ elif not is_relevant(tab) and ctx and (
+ ctx.state == STATE_ENCRYPTED or ctx.getPolicy('REQUIRE_ENCRYPTION')):
+ contact = roster[tab.name]
+ res = []
+ if contact:
+ res = [resource.jid for resource in contact.resources]
+ help_msg = ''
+ if res:
+ help_msg = TAB_HELP_RESOURCE % ''.join(('\n - /message %s' % jid) for jid in res)
+ format_dict['help'] = help_msg
+ warning_msg = INCOMPATIBLE_TAB % format_dict
+ tab.add_message(warning_msg, typ=0)
+ del msg['body']
+ del msg['replace']
+ del msg['html']
def display_encryption_status(self, jid):
"""
@@ -818,10 +836,6 @@ class Plugin(BasePlugin):
action = args.pop(0)
tab = self.api.current_tab()
name = tab.name
- if isinstance(tab, DynamicConversationTab) and tab.locked_resource:
- name = safeJID(tab.name)
- name.resource = tab.locked_resource
- name = name.full
format_dict = {
'jid_c': '\x19%s}' % dump_tuple(get_theme().COLOR_MUC_JID),
'info': '\x19%s}' % dump_tuple(get_theme().COLOR_INFORMATION_TEXT),
@@ -833,11 +847,6 @@ class Plugin(BasePlugin):
if action == 'end': # close the session
context = self.get_context(name)
context.disconnect()
- if isinstance(tab, DynamicConversationTab):
- ctx = self.find_encrypted_context_with_matching(safeJID(name).bare)
- while ctx is not None:
- ctx.disconnect()
- ctx = self.find_encrypted_context_with_matching(safeJID(name).bare)
elif action == 'start' or action == 'refresh':
self.otr_start(tab, name, format_dict)
elif action == 'ourfpr':
@@ -891,13 +900,7 @@ class Plugin(BasePlugin):
secs = self.config.get('timeout', 3)
def notify_otr_timeout():
tab_name = tab.name
- otr = self.get_context(tab_name)
- if isinstance(tab, DynamicConversationTab):
- if tab.locked_resource:
- tab_name = safeJID(tab.name)
- tab_name.resource = tab.locked_resource
- tab_name = tab_name.full
- otr = self.get_context(tab_name)
+ otr = self.find_encrypted_context_with_matching(tab_name)
if otr.state != STATE_ENCRYPTED:
format_dict['secs'] = secs
text = OTR_NOT_ENABLED % format_dict
@@ -938,11 +941,6 @@ class Plugin(BasePlugin):
tab = self.api.current_tab()
name = tab.name
- if isinstance(tab, DynamicConversationTab) and tab.locked_resource:
- name = safeJID(tab.name)
- name.resource = tab.locked_resource
- name = name.full
-
format_dict = {
'jid_c': '\x19%s}' % dump_tuple(get_theme().COLOR_MUC_JID),
'info': '\x19%s}' % dump_tuple(get_theme().COLOR_INFORMATION_TEXT),
@@ -983,3 +981,7 @@ def get_tlv(tlvs, cls):
for tlv in tlvs:
if isinstance(tlv, cls):
return tlv
+
+def is_relevant(tab):
+ """Check if a tab should be concerned with OTR"""
+ return isinstance(tab, (StaticConversationTab, PrivateTab))