How can I retrieve items using PEP pubsub XMPP protocol? I don't know how to retrieve history of PEP events. I tried with this stanza, but I am getting an "item not found" error.
<iq type='get'
from='admin#domain.ddns.net'
to='pubsub.domain.ddns.net'
id='items1'>
<pubsub xmlns='http://jabber.org/protocol/pubsub'>
<items node='http://jabber.org/protocol/tune'/>
</pubsub>
</iq>
You're sending the request to pubsub.domain.ddns.net, i.e. a Pubsub service, but when using PEP, you need to send the requests to the bare JID of the contact, e.g. user#domain.ddns.net. See XEP-0163 for more details.
Related
How do I only allow contacts who are on my roster list to send me messages?
Is there any XEP responsible to do that? Or will I need to do this client-side?
Yes, OpenFire supports XEP-0016: Privacy Lists (see this question), which can be used to block stanzas according to various criteria.
You can't explicitly block stanzas for contacts not in your roster, but you can block by subscription status none, which can more or less accomplish the same goal. You could send something like this:
<iq from='romeo#example.net/orchard' type='set' id='msg3'>
<query xmlns='jabber:iq:privacy'>
<list name='message-sub-example'>
<item type='subscription'
value='none'
action='deny'
order='5'>
<message/>
</item>
</list>
</query>
</iq>
This creates a privacy list called message-sub-example, containing a rule to block any messages from contacts with subscription type none, including contacts not in the roster. For this list to take effect, you need to make it the active list:
<iq from='romeo#example.net/orchard' type='set' id='active1'>
<query xmlns='jabber:iq:privacy'>
<active name='message-sub-example'/>
</query>
</iq>
I’m using Openfire XMPP server for a android chat application. I can connect and login to the server using my app.
Now I want to know how to send friend request and accept friend request in this chat application.
I can fetch all the user from server but I want to know the process of starting a chat.
Thanks in advance.
The processes are a bit more complex than it looks to add/accept friend requests you need to do some juggling with presence and and roster iq stanzas.
I'll try to give you an indication about what stanzas are sent/received using contacts operations below.
1. Add contact
To add a contact you need to send a `subscribe` stanza.
<presence xmlns="jabber:client" to="you#app.com/123" id="9VO8j-1" type="subscribe" from="me#app.com/1234" />
1.1. Request accepted
When adding a contact and the other app "accepts the request" you receive two stanzas:
1. <presence xmlns="jabber:client" from="you#app.com/123" id="9VO8j-1" type="subscribed" to="me#app.com/1234" />
2. <presence xmlns="jabber:client" from="you#app.com/123" id="9VO8j-2" type="subscribe" to="me#app.com/1234" />
3. <presence xmlns="jabber:client" from="me#app.com/1234" id="9VO8j-3" type="subscribed" to="you#app.com/123" />
1.2. Request Denied
When the request is denied you receive an "UNSUBSCRIBED" stanza.
Example: <presence xmlns="jabber:client" from="you#app.com/123" id="9VO8j-1" type="unsubscribed" to="me#app.com/1234" />
2. Accept contact request
1. <presence xmlns="jabber:client" from="me#app.com/1234" id="9VO8j-1" type="subscribed" to="you#app.com/123" />
2. <presence xmlns="jabber:client" from="me#app.com/1234" id="9VO8j-2" type="subscribe" to="you#app.com/123" />
3. Deny contact request
<presence xmlns="jabber:client" from="me#app.com/1234" id="9VO8j-1" type="unsubscribed" to="you#app.com/123" />
4. Remove contact
When you "Delete" a contact you should be in fact be "deleting" it locally in your app and from the roster.
This is done by sending two stanzas:
1. <presence xmlns="jabber:client" from="me#app.com/1234" id="9VO8j-3" type="unsubscribe" to="you#app.com/123"/>
2. <iq from='me#app.com/1234' id='ah382g67' to='you#app.com/123' type='set'>
<query xmlns='jabber:iq:roster' ver='ver34'>
<item jid='you#app.com/123' subscription='remove'/>
</query>
</iq>
Note: The use-cases described above do not include all the iq:roster stanzas associated to the presence stanzas. These are sent automatically by the server whenever a contact changes the subscription and ask types.
For a better understanding of how the these workflows work in details I suggest you read the latest RFC (implemented by your server). You can find it on the office site.
See section 3. Managing the roster.
I have a PubSub node with two subscribers: Joe and Mike.
I want to retrieve them as a list of subscribers and when I do
<iq type='get'
from='francisco#denmark.lit/barracks'
to='pubsub.shakespeare.lit'
id='subscriptions2'>
<pubsub xmlns='http://jabber.org/protocol/pubsub'>
<subscriptions node='my_node'/>
</pubsub>
</iq>
the result is
<iq type='result'
from='pubsub.shakespeare.lit'
to='joe#denmark.lit'
id='subscriptions2'>
<pubsub xmlns='http://jabber.org/protocol/pubsub'>
<subscriptions node='my_node'>
<subscription node='my_node' jid='joe#denmark.lit' subscription='subscribed' subid='123-abc'/>
</subscriptions>
</pubsub>
</iq>
It doesn't show that Mike is also subscribed to the same node.
And if I make the same query from Mike's account it shows that Mike is the only subscriber and does not include Joe.
Only the node owner can retrieve the list of subscribers.
And the namespace should be "http://jabber.org/protocol/pubsub#owner" for such request.
I have an XMPP chat client using wokkel and twisted and it works fine, but when a user comes online, I send this stanza to get the messages a user received while offline:
<iq type='get' id='fetch1'><offline xmlns='http://jabber.org/protocol/offline'><fetch/></offline></iq>
Other messages send and receive just fine but this stanza never returns anything. Any ideas how to debug or what the issue is? (These are google talk users)
Update: Google talk in theory supports XEP-0136 (archiving). When you get a list of support features you get:
<feature var='http://jabber.org/protocol/archive#otr'/>
<feature var='http://jabber.org/protocol/archive#save'/>
However, when I then follow this: http://xmpp.org/extensions/xep-0136.html#manage-retrieve
as to how to retrieve archived messages. I send the following stanza:
<iq type='get' id='page1'><retrieve xmlns='urn:xmpp:archive'/></iq>
[Whether or not I include the tag part of their example, I get a feature not support error back from Google's XMPP server]
<iq xmlns='jabber:client' to='x#gmail.com/7EBA7137' type='error' id='page1'>
<retrieve xmlns='urn:xmpp:archive'/><error code='501' type='cancel'>
<feature-not-implemented xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/></error></iq>
Im using Jabber-Net API to make a GMail client. I've been having problems with the subscription process using my client as it always returning the "subscription=none" and "ask=none". When i subscribe a new user, it works fine but, subscribing/ unsubscribing users very frquently from roster makes the users stop to send subscription request with "to/ from/ both" or etc.
I have discovered that, "CONTACT" always receives a packet like this:
<iq type="set">
<query xmlns="jabber:iq:roster">
<item
jid="jabberuser#host"
subscription="none"
ask="none"/>
</query>
</iq>
Any prompt answer will be much appreciated..
Are you sending a presence subscription?
<presence type='subscribe' to='jabberuser#host'/>