Mercurial > libervia-pubsub

annotate idavoll/backend.py @ 99:886caecb0030

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Include comment about xmpp_stringprep.py addition to Twisted.
author Ralph Meijer <ralphm@ik.nu>
date Wed, 01 Dec 2004 16:08:20 +0000
parents b9c449f4c167
children b75fcc554358
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
49
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
1 from twisted.protocols.jabber import jid
24
4f3bbefc6fad Moved memory backend to its own file.
Ralph Meijer <ralphm@ik.nu>
parents: 23
diff changeset
2 from twisted.python import components
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
3 from twisted.application import service
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
4 from twisted.xish import utility
43
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
5 from twisted.internet import defer
84
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
6 import sha
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
7 import time
2
9701df89c534 First take at notifications
Ralph Meijer <ralphm@ik.nu>
parents: 1
diff changeset
8
24
4f3bbefc6fad Moved memory backend to its own file.
Ralph Meijer <ralphm@ik.nu>
parents: 23
diff changeset
9 class Error(Exception):
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
10 msg = ''
1
4cc41776b7d7 Initial revision
Ralph Meijer <ralphm@ik.nu>
parents:
diff changeset
11
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
12 def __str__(self):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
13 return self.msg
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
14
24
4f3bbefc6fad Moved memory backend to its own file.
Ralph Meijer <ralphm@ik.nu>
parents: 23
diff changeset
15 class NodeNotFound(Error):
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
16 msg = 'Node not found'
1
4cc41776b7d7 Initial revision
Ralph Meijer <ralphm@ik.nu>
parents:
diff changeset
17
24
4f3bbefc6fad Moved memory backend to its own file.
Ralph Meijer <ralphm@ik.nu>
parents: 23
diff changeset
18 class NotAuthorized(Error):
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
19 pass
20
eddea65d1032 Added two exceptions: NoInstantNodes and NodeExists.
Ralph Meijer <ralphm@ik.nu>
parents: 18
diff changeset
20
24
4f3bbefc6fad Moved memory backend to its own file.
Ralph Meijer <ralphm@ik.nu>
parents: 23
diff changeset
21 class PayloadExpected(Error):
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
22 msg = 'Payload expected'
15
46cd13c68ac0 Redone memory storage of nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 5
diff changeset
23
24
4f3bbefc6fad Moved memory backend to its own file.
Ralph Meijer <ralphm@ik.nu>
parents: 23
diff changeset
24 class NoPayloadAllowed(Error):
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
25 msg = 'No payload allowed'
2
9701df89c534 First take at notifications
Ralph Meijer <ralphm@ik.nu>
parents: 1
diff changeset
26
24
4f3bbefc6fad Moved memory backend to its own file.
Ralph Meijer <ralphm@ik.nu>
parents: 23
diff changeset
27 class NoInstantNodes(Error):
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
28 pass
23
884268687229 Simplify call chain by mapping incoming requests directly to method
Ralph Meijer <ralphm@ik.nu>
parents: 20
diff changeset
29
24
4f3bbefc6fad Moved memory backend to its own file.
Ralph Meijer <ralphm@ik.nu>
parents: 23
diff changeset
30 class NodeExists(Error):
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
31 pass
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
32
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
33 class NotImplemented(Error):
34
b65b7ea5c992 Remove nonsense message.
Ralph Meijer <ralphm@ik.nu>
parents: 29
diff changeset
34 pass
b65b7ea5c992 Remove nonsense message.
Ralph Meijer <ralphm@ik.nu>
parents: 29
diff changeset
35
b65b7ea5c992 Remove nonsense message.
Ralph Meijer <ralphm@ik.nu>
parents: 29
diff changeset
36 class NotSubscribed(Error):
b65b7ea5c992 Remove nonsense message.
Ralph Meijer <ralphm@ik.nu>
parents: 29
diff changeset
37 pass
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
38
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
39 class IBackendService(components.Interface):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
40 """ Interface to a backend service of a pubsub service. """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
41
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
42 def get_supported_affiliations(self):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
43 """ Reports the list of supported affiliation types.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
44
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
45 @return: a list of supported affiliation types.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
46 """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
47
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
48 class INodeCreationService(components.Interface):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
49 """ A service for creating nodes """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
50
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
51 def create_node(self, node_id, requestor):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
52 """ Create a node.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
53
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
54 @return: a deferred that fires when the node has been created.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
55 """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
56
90
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
57 class INodeDeletionService(components.Interface):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
58 """ A service for deleting nodes. """
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
59
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
60 def register_pre_delete(self, pre_delete_fn):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
61 """ Register a callback that is called just before a node deletion.
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
62
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
63 The function C{pre_deleted_fn} is added to a list of functions
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
64 to be called just before deletion of a node. The callback
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
65 C{pre_delete_fn} is called with the C{node_id} that is about to be
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
66 deleted and should return a deferred that returns a list of deferreds
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
67 that are to be fired after deletion. The backend collects the lists
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
68 from all these callbacks before actually deleting the node in question.
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
69 After deletion all collected deferreds are fired to do post-processing.
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
70
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
71 The idea is that you want to be able to collect data from the
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
72 node before deleting it, for example to get a list of subscribers
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
73 that have to be notified after the node has been deleted. To do this,
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
74 C{pre_delete_fn} fetches the subscriber list and passes this
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
75 list to a callback attached to a deferred that it sets up. This
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
76 deferred is returned in the list of deferreds.
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
77 """
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
78
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
79 def get_subscribers(self, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
80 """ Get node subscriber list.
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
81
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
82 @return: a deferred that fires with the list of subscribers.
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
83 """
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
84
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
85 def delete_node(self, node_id, requestor):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
86 """ Delete a node.
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
87
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
88 @return: a deferred that fires when the node has been deleted.
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
89 """
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
90
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
91 class IPublishService(components.Interface):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
92 """ A service for publishing items to a node. """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
93
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
94 def publish(self, node_id, items, requestor):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
95 """ Publish items to a pubsub node.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
96
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
97 @return: a deferred that fires when the items have been published.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
98 """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
99 class INotificationService(components.Interface):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
100 """ A service for notification of published items. """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
101
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
102 def register_notifier(self, observerfn, *args, **kwargs):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
103 """ Register callback which is called for notification. """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
104
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
105 def get_notification_list(self, node_id, items):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
106 pass
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
107
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
108 class ISubscriptionService(components.Interface):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
109 """ A service for managing subscriptions. """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
110
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
111 def subscribe(self, node_id, subscriber, requestor):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
112 """ Request the subscription of an entity to a pubsub node.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
113
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
114 Depending on the node's configuration and possible business rules, the
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
115 C{subscriber} is added to the list of subscriptions of the node with id
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
116 C{node_id}. The C{subscriber} might be different from the C{requestor},
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
117 and if the C{requestor} is not allowed to subscribe this entity an
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
118 exception should be raised.
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
Ralph Meijer <ralphm@ik.nu>
parents: 53
diff changeset
119
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
120 @return: a deferred that returns the subscription state
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
121 """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
122
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
123 def unsubscribe(self, node_id, subscriber, requestor):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
124 """ Cancel the subscription of an entity to a pubsub node.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
125
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
126 The subscription of C{subscriber} is removed from the list of
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
127 subscriptions of the node with id C{node_id}. If the C{requestor}
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
128 is not allowed to unsubscribe C{subscriber}, an an exception should
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
129 be raised.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
130
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
131 @return: a deferred that fires when unsubscription is complete.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
132 """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
133
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
134 class IAffiliationsService(components.Interface):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
135 """ A service for retrieving the affiliations with this pubsub service. """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
136
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
137 def get_affiliations(self, entity):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
138 """ Report the list of current affiliations with this pubsub service.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
139
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
140 Report the list of the current affiliations with all nodes within this
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
141 pubsub service, along with subscriptions to such nodes, for the
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
142 C{entity}.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
143
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
144 @return: a deferred that returns the list of all current affiliations
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
145 and subscriptions.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
146 """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
147
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
148 class IRetractionService(components.Interface):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
149 """ A service for retracting published items """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
150
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
151 def retract_item(self, node_id, item_id, requestor):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
152 """ Removes item in node from persistent storage """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
153
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
154 def purge_node(self, node_id, requestor):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
155 """ Removes all items in node from persistent storage """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
156
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
157 class IItemRetrievalService(components.Interface):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
158 """ A service for retrieving previously published items. """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
159
80
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
160 def get_items(self, node_id, requestor, max_items=None, item_ids=[]):
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
161 """ Retrieve items from persistent storage
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
162
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
163 If C{max_items} is given, return the C{max_items} last published
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
164 items, else if C{item_ids} is not empty, return the items requested.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
165 If neither is given, return all items.
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
166
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
167 @return: a deferred that returns the requested items
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
168 """
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
169
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
170 class BackendService(service.MultiService, utility.EventDispatcher):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
171
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
172 __implements__ = IBackendService,
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
173
43
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
174 def __init__(self, storage):
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
175 service.MultiService.__init__(self)
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
176 utility.EventDispatcher.__init__(self)
43
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
177 self.storage = storage
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
178
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
179 def supports_publisher_affiliation(self):
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
180 return True
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
181
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
182 def supports_outcast_affiliation(self):
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
183 return True
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
184
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
185 def supports_persistent_items(self):
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
186 return True
39
788114f9b5bc Added get_supported_affiliations() to BackendService.
Ralph Meijer <ralphm@ik.nu>
parents: 34
diff changeset
187
65
d617f8d19263 Add get_node_type() to BackendService.
Ralph Meijer <ralphm@ik.nu>
parents: 61
diff changeset
188 def get_node_type(self, node_id):
72
a914cad421c5 Added get_nodes() to BackendService.
Ralph Meijer <ralphm@ik.nu>
parents: 65
diff changeset
189 return self.storage.get_node_type(node_id)
a914cad421c5 Added get_nodes() to BackendService.
Ralph Meijer <ralphm@ik.nu>
parents: 65
diff changeset
190
a914cad421c5 Added get_nodes() to BackendService.
Ralph Meijer <ralphm@ik.nu>
parents: 65
diff changeset
191 def get_nodes(self):
a914cad421c5 Added get_nodes() to BackendService.
Ralph Meijer <ralphm@ik.nu>
parents: 65
diff changeset
192 return self.storage.get_nodes()
65
d617f8d19263 Add get_node_type() to BackendService.
Ralph Meijer <ralphm@ik.nu>
parents: 61
diff changeset
193
44
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
194 class PublishService(service.Service):
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
195
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
196 __implements__ = IPublishService,
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
197
43
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
198 def publish(self, node_id, items, requestor):
44
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
199 d1 = self.parent.storage.get_node_configuration(node_id)
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
Ralph Meijer <ralphm@ik.nu>
parents: 53
diff changeset
200 d2 = self.parent.storage.get_affiliation(node_id, requestor)
92
878a5b7697f2 Consume errors in DeferredLists.
Ralph Meijer <ralphm@ik.nu>
parents: 90
diff changeset
201 d = defer.DeferredList([d1, d2], fireOnOneErrback=1, consumeErrors=1)
43
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
202 d.addErrback(lambda x: x.value[0])
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
203 d.addCallback(self._do_publish, node_id, items, requestor)
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
204 return d
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
205
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
206 def _do_publish(self, result, node_id, items, requestor):
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
207 configuration = result[0][1]
95
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
208 persist_items = configuration["pubsub#persist_items"]
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
209 deliver_payloads = configuration["pubsub#deliver_payloads"]
43
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
210 affiliation = result[1][1]
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
211
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
212 if affiliation not in ['owner', 'publisher']:
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
213 raise NotAuthorized
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
214
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
215 if items and not persist_items and not deliver_payloads:
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
216 raise NoPayloadAllowed
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
217 elif not items and (persist_items or deliver_payloads):
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
218 raise PayloadExpected
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
219
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
220 if persist_items or deliver_payloads:
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
221 for item in items:
84
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
222 if not item.getAttribute("id"):
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
223 item["id"] = sha.new(str(time.time()) +
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
224 requestor.full()).hexdigest()
43
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
225
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
226 if persist_items:
44
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
227 d = self.parent.storage.store_items(node_id, items,
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
Ralph Meijer <ralphm@ik.nu>
parents: 53
diff changeset
228 requestor)
43
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
229 else:
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
230 d = defer.succeed(None)
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
231
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
232 d.addCallback(self._do_notify, node_id, items, deliver_payloads)
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
233
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
234 def _do_notify(self, result, node_id, items, deliver_payloads):
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
235 if items and not deliver_payloads:
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
236 for item in items:
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
237 item.children = []
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
238
44
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
239 self.parent.dispatch({ 'items': items, 'node_id': node_id },
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
240 '//event/pubsub/notify')
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
241
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
242 class NotificationService(service.Service):
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
243
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
244 __implements__ = INotificationService,
43
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
245
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
246 def get_notification_list(self, node_id, items):
44
bc7438476a67 Removed IPersistenceService, this is a feature of the storage facility.
Ralph Meijer <ralphm@ik.nu>
parents: 43
diff changeset
247 d = self.parent.storage.get_subscribers(node_id)
43
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
248 d.addCallback(self._magic_filter, node_id, items)
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
249 return d
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
250
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
251 def _magic_filter(self, subscribers, node_id, items):
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
252 list = {}
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
253 for subscriber in subscribers:
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
254 list[subscriber] = items
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
255 return list
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py.
Ralph Meijer <ralphm@ik.nu>
parents: 39
diff changeset
256
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
257 def register_notifier(self, observerfn, *args, **kwargs):
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
258 self.parent.addObserver('//event/pubsub/notify', observerfn,
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
259 *args, **kwargs)
49
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
260
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
261 class SubscriptionService(service.Service):
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
262
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
263 __implements__ = ISubscriptionService,
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
264
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
265 def subscribe(self, node_id, subscriber, requestor):
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
266 if subscriber.userhostJID() != requestor:
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
267 raise NotAuthorized
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
268
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
269 d1 = self.parent.storage.get_node_configuration(node_id)
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
Ralph Meijer <ralphm@ik.nu>
parents: 53
diff changeset
270 d2 = self.parent.storage.get_affiliation(node_id, subscriber)
92
878a5b7697f2 Consume errors in DeferredLists.
Ralph Meijer <ralphm@ik.nu>
parents: 90
diff changeset
271 d = defer.DeferredList([d1, d2], fireOnOneErrback=1, consumeErrors=1)
49
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
272 d.addErrback(lambda x: x.value[0])
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
273 d.addCallback(self._do_subscribe, node_id, subscriber)
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
274 return d
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
275
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
276 def _do_subscribe(self, result, node_id, subscriber):
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
277 configuration = result[0][1]
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
278 affiliation = result[1][1]
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
279
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
280 if affiliation == 'outcast':
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
281 raise NotAuthorized
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
282
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
Ralph Meijer <ralphm@ik.nu>
parents: 53
diff changeset
283 d = self.parent.storage.add_subscription(node_id, subscriber,
49
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
284 'subscribed')
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
285 d.addCallback(self._return_subscription, affiliation)
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
286 return d
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
287
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
288 def _return_subscription(self, result, affiliation):
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
289 result['affiliation'] = affiliation
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
290 return result
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
291
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
292 def unsubscribe(self, node_id, subscriber, requestor):
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
293 if subscriber.userhostJID() != requestor:
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
294 raise NotAuthorized
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
295
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
296 d = self.parent.storage.get_node_configuration(node_id)
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
297 d.addCallback(self._do_unsubscribe, node_id, subscriber)
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
298 return d
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
299
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
300 def _do_unsubscribe(self, result, node_id, subscriber):
94e4ede2a357 Implement SubscriptionService with separate storage.
Ralph Meijer <ralphm@ik.nu>
parents: 44
diff changeset
301 return self.parent.storage.remove_subscription(node_id,
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
Ralph Meijer <ralphm@ik.nu>
parents: 53
diff changeset
302 subscriber)
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
303
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
304 class NodeCreationService(service.Service):
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
305
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
306 __implements__ = INodeCreationService,
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
307
95
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
308 options = {"pubsub#persist_items":
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
309 {"type": "boolean",
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
310 "label": "Persist items to storage"},
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
311 "pubsub#deliver_payloads":
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
312 { "type": "boolean",
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
313 "label": "Deliver payloads with event notifications"}
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
314 }
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
315
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
316 def supports_instant_nodes(self):
84
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
317 return True
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
318
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
319 def create_node(self, node_id, requestor):
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
320 if not node_id:
84
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
321 node_id = 'generic/%s' % sha.new(str(time.time()) +
34be83a0bd2e Implement instant nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 80
diff changeset
322 requestor.full()).hexdigest()
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
323
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
Ralph Meijer <ralphm@ik.nu>
parents: 53
diff changeset
324 d = self.parent.storage.create_node(node_id, requestor)
53
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
325 d.addCallback(lambda _: node_id)
e602ddda2d6e Implement NodeCreationService, using the create_node() method of Storage.
Ralph Meijer <ralphm@ik.nu>
parents: 49
diff changeset
326 return d
61
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
327
95
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
328 def get_node_configuration(self, node_id):
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
329 if node_id:
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
330 d = self.parent.storage.get_node_configuration(node_id)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
331 else:
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
332 d = defer.succeed({"pubsub#persist_items": True,
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
333 "pubsub#deliver_payloads": True})
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
334
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
335 d.addCallback(self._make_config)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
336 return d
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
337
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
338 def _make_config(self, config):
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
339 options = []
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
340 for key, value in config.iteritems():
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
341 option = {"var": key}
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
342 option.update(self.options[key])
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
343 if option["type"] == "boolean":
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
344 option["value"] = str(int(bool(value)))
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
345 else:
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
346 option["value"] = str(value)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
347 options.append(option)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
348
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
349 return options
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
350
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
351 def set_node_configuration(self, node_id, options, requestor):
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
352 for key in options.iterkeys():
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
353 if not self.options.has_key(key):
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
354 raise InvalidConfigurationOption
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
355
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
356 d = self.parent.storage.get_affiliation(node_id, requestor)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
357 d.addCallback(self._do_set_node_configuration, node_id, options)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
358 return d
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
359
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
360 def _do_set_node_configuration(self, affiliation, node_id, options):
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
361 if affiliation != 'owner':
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
362 raise NotAuthorized
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
363
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
364 return self.parent.storage.set_node_configuration(node_id, options)
3ad74552bbc7 Merge from RELENG_0: Implemented node configuration.
Ralph Meijer <ralphm@ik.nu>
parents: 92
diff changeset
365
61
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
366 class AffiliationsService(service.Service):
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
367
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
368 __implements__ = IAffiliationsService,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
369
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
370 def get_affiliations(self, entity):
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
371 d1 = self.parent.storage.get_affiliations(entity)
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
372 d2 = self.parent.storage.get_subscriptions(entity)
92
878a5b7697f2 Consume errors in DeferredLists.
Ralph Meijer <ralphm@ik.nu>
parents: 90
diff changeset
373 d = defer.DeferredList([d1, d2], fireOnOneErrback=1, consumeErrors=1)
61
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
374 d.addErrback(lambda x: x.value[0])
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
375 d.addCallback(self._affiliations_result, entity)
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
376 return d
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
377
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
378 def _affiliations_result(self, result, entity):
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
379 affiliations = result[0][1]
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
380 subscriptions = result[1][1]
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
381
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
382 new_affiliations = {}
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
383
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
384 for node, affiliation in affiliations:
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
385 new_affiliations[(node, entity.full())] = {'node': node,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
386 'jid': entity,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
387 'affiliation': affiliation,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
388 'subscription': None
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
389 }
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
390
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
391 for node, subscriber, subscription in subscriptions:
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
392 key = node, subscriber.full()
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
393 if new_affiliations.has_key(key):
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
394 new_affiliations[key]['subscription'] = subscription
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
395 else:
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
396 new_affiliations[key] = {'node': node,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
397 'jid': subscriber,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
398 'affiliation': None,
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
399 'subscription': subscription}
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
400
ad08e021b4d5 Implement AffiliationsService.
Ralph Meijer <ralphm@ik.nu>
parents: 59
diff changeset
401 return new_affiliations.values()
80
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
402
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
403 class ItemRetrievalService(service.Service):
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
404
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
405 __implements__ = IItemRetrievalService
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
406
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
407 def get_items(self, node_id, requestor, max_items=None, item_ids=[]):
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
408 d = self.parent.storage.is_subscribed(node_id, requestor)
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
409 d.addCallback(self._do_get_items, node_id, max_items, item_ids)
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
410 return d
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
411
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
412 def _do_get_items(self, result, node_id, max_items, item_ids):
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
413 if not result:
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
414 raise NotAuthorized
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
415
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
416 if item_ids:
98
b9c449f4c167 Removed debugging junk
Ralph Meijer <ralphm@ik.nu>
parents: 95
diff changeset
417 return self.parent.storage.get_items_by_ids(node_id, item_ids)
80
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
418 else:
ec354aab3949 Implemented ItemRetrievalService.
Ralph Meijer <ralphm@ik.nu>
parents: 72
diff changeset
419 return self.parent.storage.get_items(node_id, max_items)
85
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
420
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
421 class RetractionService(service.Service):
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
422
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
423 __implements__ = IRetractionService,
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
424
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
425 def retract_item(self, node_id, item_ids, requestor):
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
426 d1 = self.parent.storage.get_node_configuration(node_id)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
427 d2 = self.parent.storage.get_affiliation(node_id, requestor)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
428 d = defer.DeferredList([d1, d2], fireOnOneErrback=1)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
429 d.addErrback(lambda x: x.value[0])
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
430 d.addCallback(self._do_retract, node_id, item_ids)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
431 return d
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
432
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
433 def _do_retract(self, result, node_id, item_ids):
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
434 configuration = result[0][1]
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
435 persist_items = configuration["persist_items"]
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
436 affiliation = result[1][1]
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
437
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
438 if affiliation not in ['owner', 'publisher']:
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
439 raise NotAuthorized
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
440
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
441 if not persist_items:
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
442 raise NodeNotPersistent
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
443
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
444 d = self.parent.storage.remove_items(node_id, item_ids)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
445 d.addCallback(self._do_notify_retraction, node_id)
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
446 return d
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
447
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
448 def _do_notify_retraction(self, result, node_id):
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
449 self.parent.dispatch({ 'item_ids': result, 'node_id': node_id },
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
450 '//event/pubsub/retract')
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
451
ec557449d1aa Implement node retraction, with storage support for pgsql.
Ralph Meijer <ralphm@ik.nu>
parents: 84
diff changeset
452 def purge_node(self, node_id, requestor):
90
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
453 d1 = self.parent.storage.get_node_configuration(node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
454 d2 = self.parent.storage.get_affiliation(node_id, requestor)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
455 d = defer.DeferredList([d1, d2], fireOnOneErrback=1)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
456 d.addErrback(lambda x: x.value[0])
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
457 d.addCallback(self._do_purge, node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
458 return d
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
459
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
460 def _do_purge(self, result, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
461 configuration = result[0][1]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
462 persist_items = configuration["persist_items"]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
463 affiliation = result[1][1]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
464
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
465 if affiliation != 'owner':
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
466 raise NotAuthorized
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
467
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
468 if not persist_items:
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
469 raise NodeNotPersistent
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
470
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
471 d = self.parent.storage.purge_node(node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
472 d.addCallback(self._do_notify_purge, node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
473 return d
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
474
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
475 def _do_notify_purge(self, result, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
476 self.parent.dispatch(node_id, '//event/pubsub/purge')
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
477
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
478 class NodeDeletionService(service.Service):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
479
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
480 __implements__ = INodeDeletionService,
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
481
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
482 def __init__(self):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
483 self._callback_list = []
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
484
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
485 def register_pre_delete(self, pre_delete_fn):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
486 self._callback_list.append(pre_delete_fn)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
487
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
488 def get_subscribers(self, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
489 return self.parent.storage.get_subscribers(node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
490
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
491 def delete_node(self, node_id, requestor):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
492 d1 = self.parent.storage.get_node_configuration(node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
493 d2 = self.parent.storage.get_affiliation(node_id, requestor)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
494 d = defer.DeferredList([d1, d2], fireOnOneErrback=1)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
495 d.addErrback(lambda x: x.value[0])
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
496 d.addCallback(self._do_pre_delete, node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
497 return d
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
498
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
499 def _do_pre_delete(self, result, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
500 configuration = result[0][1]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
501 persist_items = configuration["persist_items"]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
502 affiliation = result[1][1]
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
503
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
504 if affiliation != 'owner':
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
505 raise NotAuthorized
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
506
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
507 d = defer.DeferredList([cb(node_id) for cb in self._callback_list],
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
508 consumeErrors=1)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
509 d.addCallback(self._do_delete, node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
510
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
511 def _do_delete(self, result, node_id):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
512 dl = []
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
513 for succeeded, r in result:
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
514 if succeeded and r:
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
515 dl.extend(r)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
516
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
517 d = self.parent.storage.delete_node(node_id)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
518 d.addCallback(self._do_notify_delete, dl)
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
519
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
520 return d
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
521
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
522 def _do_notify_delete(self, result, dl):
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
523 for d in dl:
59378610b16e Implement node purging and node deletion.
Ralph Meijer <ralphm@ik.nu>
parents: 85
diff changeset
524 d.callback(None)