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76 lines
2.8 KiB
Python
76 lines
2.8 KiB
Python
import json
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import logging
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from channels import Group
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from channels.sessions import channel_session
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from channels.auth import channel_session_user, http_session_user, transfer_user
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from django.core.serializers.json import DjangoJSONEncoder
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logger = logging.getLogger('awx.main.consumers')
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def discard_groups(message):
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if 'groups' in message.channel_session:
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for group in message.channel_session['groups']:
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Group(group).discard(message.reply_channel)
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@http_session_user
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@channel_session
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def ws_connect(message):
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if message.http_session:
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# our backend is not set on the http_session so we need to update the session before
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# calling transfer_user. This is why we are doing this manually instead of using the
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# all-in-one helper decorator.
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message.http_session.update({'_auth_user_backend':'django.contrib.auth.backends.ModelBackend'})
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transfer_user(message.http_session, message.channel_session)
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message.reply_channel.send({"text": json.dumps({"accept": True, "user": message.user.id})})
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else:
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message.reply_channel.send({"text": json.dumps({"accept": False, "user": None})})
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@channel_session_user
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def ws_disconnect(message):
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discard_groups(message)
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@channel_session_user
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def ws_receive(message):
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from awx.main.access import consumer_access
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user = message.user
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if user.id is None:
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logger.error("No valid user found for websocket.")
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message.reply_channel.send({"text": json.dumps({"error": "no valid user"})})
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return None
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raw_data = message.content['text']
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data = json.loads(raw_data)
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if 'groups' in data:
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discard_groups(message)
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groups = data['groups']
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current_groups = message.channel_session.pop('groups') if 'groups' in message.channel_session else []
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for group_name,v in groups.items():
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if type(v) is list:
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for oid in v:
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name = '{}-{}'.format(group_name, oid)
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access_cls = consumer_access(group_name)
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if access_cls is not None:
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user_access = access_cls(user)
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if not user_access.get_queryset().filter(pk=oid).exists():
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message.reply_channel.send({"text": json.dumps({"error": "access denied to channel {0} for resource id {1}".format(group_name, oid)})})
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continue
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current_groups.append(name)
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Group(name).add(message.reply_channel)
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else:
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current_groups.append(group_name)
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Group(group_name).add(message.reply_channel)
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message.channel_session['groups'] = current_groups
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def emit_channel_notification(group, payload):
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Group(group).send({"text": json.dumps(payload, cls=DjangoJSONEncoder)})
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