1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
import base64, os
import scrypt
from src import ModuleManager, utils
REQUIRES_IDENTIFY = ("You need to be identified to use that command "
"(/msg %s register | /msg %s identify)")
class Module(ModuleManager.BaseModule):
@utils.hook("new.user")
def new_user(self, event):
self._logout(event["user"])
@utils.hook("received.part")
def on_part(self, event):
if len(event["user"].channels) == 1 and event["user"
].identified_account_override:
event["user"].send_notice("You no longer share any channels "
"with me so you have been signed out")
def _get_hash(self, server, account):
hash, salt = server.get_user(account).get_setting("authentication",
(None, None))
return hash, salt
def _make_salt(self):
return base64.b64encode(os.urandom(64)).decode("utf8")
def _make_hash(self, password, salt=None):
salt = salt or self._make_salt()
hash = base64.b64encode(scrypt.hash(password, salt)).decode("utf8")
return hash, salt
def _identified(self, server, user, account):
user.identified_account_override = account
user.identified_account_id_override = server.get_user(account).get_id()
def _logout(self, user):
user.identified_account_override = None
user.identified_account_id_override = None
@utils.hook("received.command.identify", private_only=True, min_args=1)
def identify(self, event):
"""
:help: Identify yourself
:usage: [account] <password>
"""
identity_mechanism = event["server"].get_setting("identity-mechanism",
"internal")
if not identity_mechanism == "internal":
raise utils.EventError("The 'identify' command isn't available "
"on this network")
if not event["user"].channels:
raise utils.EventError("You must share at least one channel "
"with me before you can identify")
if not event["user"].identified_account_override:
if len(event["args_split"]) > 1:
account = event["args_split"][0]
password = " ".join(event["args_split"][1:])
else:
account = event["user"].nickname
password = event["args"]
hash, salt = self._get_hash(event["server"], account)
if hash and salt:
attempt, _ = self._make_hash(password, salt)
if attempt == hash:
self._identified(event["server"], event["user"], account)
event["stdout"].write("Correct password, you have "
"been identified as '%s'." % account)
self.events.on("internal.identified").call(
user=event["user"])
else:
event["stderr"].write("Incorrect password for '%s'" %
account)
else:
event["stderr"].write("Account '%s' is not registered" %
account)
else:
event["stderr"].write("You are already identified")
@utils.hook("received.command.register", private_only=True, min_args=1)
def register(self, event):
"""
:help: Register yourself
:usage: <password>
"""
identity_mechanism = event["server"].get_setting("identity-mechanism",
"internal")
if not identity_mechanism == "internal":
raise utils.EventError("The 'identify' command isn't available "
"on this network")
hash, salt = self._get_hash(event["server"], event["user"].nickname)
if not hash and not salt:
password = event["args"]
hash, salt = self._make_hash(password)
event["user"].set_setting("authentication", [hash, salt])
self._identified(event["server"], event["user"],
event["user"].nickname)
event["stdout"].write("Nickname registered successfully")
else:
event["stderr"].write("This nickname is already registered")
@utils.hook("received.command.setpassword", authenticated=True, min_args=1)
def set_password(self, event):
"""
:help: Change your password
:usage: <password>
"""
hash, salt = self._make_hash(event["args"])
event["user"].set_setting("authentication", [hash, salt])
event["stdout"].write("Set your password")
@utils.hook("received.command.logout", private_only=True)
def logout(self, event):
"""
:help: Logout from your identified account
"""
if event["user"].identified_account_override:
self._logout(event["user"])
event["stdout"].write("You have been logged out")
else:
event["stderr"].write("You are not logged in")
@utils.hook("received.command.resetpassword", private_only=True,
min_args=2)
def reset_password(self, event):
"""
:help: Reset a given user's password
:usage: <nickname> <password>
:permission: resetpassword
"""
target = event["server"].get_user(event["args_split"][0])
password = " ".join(event["args_split"][1:])
registered = target.get_setting("authentication", None)
if registered == None:
event["stderr"].write("'%s' isn't registered" % target.nickname)
else:
hash, salt = self._make_hash(password)
target.set_setting("authentication", [hash, salt])
event["stdout"].write("Reset password for '%s'" %
target.nickname)
@utils.hook("preprocess.command")
def preprocess_command(self, event):
permission = event["hook"].get_kwarg("permission", None)
authenticated = event["hook"].kwargs.get("authenticated", False)
identity_mechanism = event["server"].get_setting("identity-mechanism",
"internal")
identified_account = None
if identity_mechanism == "internal":
identified_account = event["user"].identified_account_override
elif identity_mechanism == "ircv3-account":
identified_account = (event["user"].identified_account or
event["tags"].get("account", None))
identified_user = None
permissions = []
if identified_account:
identified_user = event["server"].get_user(identified_account)
permissions = identified_user.get_setting("permissions", [])
if permission:
has_permission = permission and (
permission in permissions or "*" in permissions)
if not identified_account or not has_permission:
return "You do not have permission to do that"
elif authenticated:
if not identified_account:
return REQUIRES_IDENTIFY % (event["server"].nickname,
event["server"].nickname)
@utils.hook("received.command.mypermissions", authenticated=True)
def my_permissions(self, event):
"""
:help: Show your permissions
"""
permissions = event["user"].get_setting("permissions", [])
event["stdout"].write("Your permissions: %s" % ", ".join(permissions))
def _get_user_details(self, server, nickname):
target = server.get_user(nickname)
registered = bool(target.get_setting("authentication", None))
permissions = target.get_setting("permissions", [])
return [target, registered, permissions]
@utils.hook("received.command.givepermission", min_args=2)
def give_permission(self, event):
"""
:help: Give a given permission to a given user
:usage: <nickname> <permission>
:permission: givepermission
"""
permission = event["args_split"][1].lower()
target, registered, permissions = self._get_user_details(
event["server"], event["args_split"][0])
if target.get_identified_account() == None:
raise utils.EventError("%s isn't registered" % target.nickname)
if permission in permissions:
event["stderr"].write("%s already has permission '%s'" % (
target.nickname, permission))
else:
permissions.append(permission)
target.set_setting("permissions", permissions)
event["stdout"].write("Gave permission '%s' to %s" % (
permission, target.nickname))
@utils.hook("received.command.removepermission", min_args=2)
def remove_permission(self, event):
"""
:help: Remove a given permission from a given user
:usage: <nickname> <permission>
:permission: removepermission
"""
permission = event["args_split"][1].lower()
target, registered, permissions = self._get_user_details(
event["server"], event["args_split"][0])
if target.identified_account == None:
raise utils.EventError("%s isn't registered" % target.nickname)
if permission not in permissions:
event["stderr"].write("%s doesn't have permission '%s'" % (
target.nickname, permission))
else:
permissions.remove(permission)
if not permissions:
target.del_setting("permissions")
else:
target.set_setting("permissions", permissions)
event["stdout"].write("Removed permission '%s' from %s" % (
permission, target.nickname))
|
