# MUC: Room registration and presence broadcast of unavailable members

[Client] Romeo

	jid: user@localhost

	password: password

[Client] Juliet

	jid: user2@localhost

	password: password

[Client] Rosaline

	jid: user3@localhost

	password: password

-----

Romeo connects

Romeo sends:

	<presence to="room@conference.localhost/Romeo">

		<x xmlns="http://jabber.org/protocol/muc"/>

	</presence>

Romeo receives:

	<presence from='room@conference.localhost/Romeo'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<status code='201'/>

			<item jid="${Romeo's full JID}" affiliation='owner' role='moderator'/>

			<status code='110'/>

		</x>

	</presence>

Romeo receives:

	<message type='groupchat' from='room@conference.localhost'><subject/></message>

# Submit config form

Romeo sends:

	<iq id='config1' to='room@conference.localhost' type='set'>

		<query xmlns='http://jabber.org/protocol/muc#owner'>

			<x xmlns='jabber:x:data' type='submit'>

				<field var='FORM_TYPE'>

					<value>http://jabber.org/protocol/muc#roomconfig</value>

				</field>

				<field var='muc#roomconfig_presencebroadcast'>

					<value>none</value>

					<value>participant</value>

					<value>moderator</value>

				</field>

			</x>

		</query>

	</iq>

Romeo receives:

	<iq id="config1" from="room@conference.localhost" type="result">

	</iq>

Romeo sends:

	<iq id='member1' to='room@conference.localhost' type='set'>

		<query xmlns='http://jabber.org/protocol/muc#admin'>

			<item affiliation='member' jid="${Juliet's JID}" />

		</query>

	</iq>

Romeo receives:

	<message from='room@conference.localhost'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item jid="${Juliet's JID}" affiliation='member' />

		</x>

	</message>

Romeo receives:

	<iq from='room@conference.localhost' id='member1' type='result'/>

# Juliet connects, and joins the room

Juliet connects

Juliet sends:

	<presence to="room@conference.localhost/Juliet">

		<x xmlns="http://jabber.org/protocol/muc"/>

	</presence>

Juliet receives:

	<presence from="room@conference.localhost/Romeo" />

Juliet receives:

	<presence from="room@conference.localhost/Juliet" />

Juliet receives:

	<message type='groupchat' from='room@conference.localhost'><subject/></message>

Romeo receives:

	<presence from="room@conference.localhost/Juliet" />

# Juliet retrieves the registration form

Juliet sends:

	<iq id='jw81b36f' to='room@conference.localhost' type='get'>

		<query xmlns='jabber:iq:register'/>

	</iq>

Juliet receives:

	<iq type='result' from='room@conference.localhost' id='jw81b36f'>

		<query xmlns='jabber:iq:register'>

			<x type='form' xmlns='jabber:x:data'>

				<field type='hidden' var='FORM_TYPE'>

					<value>http://jabber.org/protocol/muc#register</value>

				</field>

				<field type='text-single' label='Nickname' var='muc#register_roomnick'>

					<required/>

				</field>

			</x>

		</query>

	</iq>

Juliet sends:

	<iq id='nv71va54' to='room@conference.localhost' type='set'>

		<query xmlns='jabber:iq:register'>

			<x xmlns='jabber:x:data' type='submit'>

				<field var='FORM_TYPE'>

					<value>http://jabber.org/protocol/muc#register</value>

				</field>

				<field var='muc#register_roomnick'>

					<value>Juliet</value>

				</field>

			</x>

		</query>

	</iq>

Juliet receives:

	<presence from='room@conference.localhost/Juliet'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item affiliation='member' jid="${Juliet's full JID}" role='participant'/>

			<status code='110'/>

		</x>

	</presence>

Juliet receives:

	<iq type='result' from='room@conference.localhost' id='nv71va54'/>

# Juliet discovers her reserved nick

Juliet sends:

	<iq id='getnick1' to='room@conference.localhost' type='get'>

		<query xmlns='http://jabber.org/protocol/disco#info' node='x-roomuser-item'/>

	</iq>

Juliet receives:

	<iq type='result' from='room@conference.localhost' id='getnick1'>

		<query xmlns='http://jabber.org/protocol/disco#info' node='x-roomuser-item'>

			<identity category='conference' name='Juliet' type='text'/>

		</query>

	</iq>

# Juliet leaves the room:

Juliet sends:

	<presence type="unavailable" to="room@conference.localhost/Juliet" />

Juliet receives:

	<presence type='unavailable' from='room@conference.localhost/Juliet'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item jid="${Juliet's full JID}" affiliation='member' role='none'/>

			<status code='110'/>

		</x>

	</presence>

Romeo receives:

	<presence from='room@conference.localhost/Juliet'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item jid="${Juliet's full JID}" affiliation='member' role='participant'/>

		</x>

	</presence>

# Rosaline connect and tries to join the room as Juliet

Rosaline connects

Rosaline sends:

	<presence to="room@conference.localhost/Juliet">

		<x xmlns="http://jabber.org/protocol/muc"/>

	</presence>

Rosaline receives:

	<presence type='error' from='room@conference.localhost/Juliet'>

		<error type='cancel' by='room@conference.localhost'>

			<conflict xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>

		</error>

		<x xmlns='http://jabber.org/protocol/muc'/>

	</presence>

# In a heated moment, Juliet unregisters from the room

Juliet sends:

	<iq type='set' to='room@conference.localhost' id='unreg1'>

		<query xmlns='jabber:iq:register'>

			<remove/>

		</query>

	</iq>

Juliet receives:

	<iq type='result' from='room@conference.localhost' id='unreg1'/>

# Romeo is notified of Juliet's sad decision

Romeo receives:

	<message from='room@conference.localhost'>

		<x xmlns='http://jabber.org/protocol/muc#user' scansion:strict='true'>

		</x>

	</message>

# Rosaline attempts once more to sneak into the room, disguised as Juliet

Rosaline sends:

	<presence to="room@conference.localhost/Juliet">

		<x xmlns="http://jabber.org/protocol/muc"/>

	</presence>

Rosaline receives:

	<presence from='room@conference.localhost/Romeo'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item affiliation='owner' role='moderator'/>

		</x>

	</presence>

Rosaline receives:

	<presence from='room@conference.localhost/Juliet'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item affiliation='none' jid="${Rosaline's full JID}" role='participant'/>

			<status code='110'/>

		</x>

	</presence>

Romeo receives:

	<presence from='room@conference.localhost/Juliet'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item affiliation='none' jid="${Rosaline's full JID}" role='participant'/>

		</x>

	</presence>

# On discovering the ruse, Romeo restores Juliet's nick and status within the room

Romeo sends:

	<iq id='member1' to='room@conference.localhost' type='set'>

		<query xmlns='http://jabber.org/protocol/muc#admin'>

			<item affiliation='member' jid="${Juliet's JID}" nick='Juliet' />

		</query>

	</iq>

# Rosaline is evicted from the room

Romeo receives:

	<presence from='room@conference.localhost/Juliet' type='unavailable'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<status code='307'/>

			<item affiliation='none' role='none' jid="${Rosaline's full JID}">

				<reason>This nickname is reserved</reason>

			</item>

		</x>

	</presence>

# An out-of-room affiliation change is received for Juliet

Romeo receives:

	<message from='room@conference.localhost'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item jid="${Juliet's JID}" affiliation='member' />

		</x>

	</message>

Romeo receives:

	<iq type='result' id='member1' from='room@conference.localhost' />

Rosaline receives:

	<presence type='unavailable' from='room@conference.localhost/Juliet'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<status code='307'/>

			<item affiliation='none' jid="${Rosaline's full JID}" role='none'>

				<reason>This nickname is reserved</reason>

			</item>

			<status code='110'/>

		</x>

	</presence>

# Rosaline, frustrated, attempts to get back into the room...

Rosaline sends:

	<presence to="room@conference.localhost/Juliet">

		<x xmlns="http://jabber.org/protocol/muc"/>

	</presence>

# ...but once again, is denied

Rosaline receives:

	<presence type='error' from='room@conference.localhost/Juliet'>

		<error type='cancel' by='room@conference.localhost'>

			<conflict xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>

		</error>

		<x xmlns='http://jabber.org/protocol/muc'/>

	</presence>

# Juliet, however, quietly joins the room with success

Juliet sends:

	<presence to="room@conference.localhost/Juliet">

		<x xmlns="http://jabber.org/protocol/muc"/>

	</presence>

Juliet receives:

	<presence from="room@conference.localhost/Romeo" />

Juliet receives:

	<presence from="room@conference.localhost/Juliet" />

Juliet receives:

	<message type='groupchat' from='room@conference.localhost'><subject/></message>

Romeo receives:

	<presence from="room@conference.localhost/Juliet" />

# Romeo checks whether he has reserved his own nick yet

Romeo sends:

	<iq id='getnick1' to='room@conference.localhost' type='get'>

		<query xmlns='http://jabber.org/protocol/disco#info' node='x-roomuser-item'/>

	</iq>

# But no nick is returned, as he hasn't registered yet!

Romeo receives:

	<iq type='result' from='room@conference.localhost' id='getnick1'>

		<query xmlns='http://jabber.org/protocol/disco#info' node='x-roomuser-item' scansion:strict='true' />

	</iq>

# Romeo updates his own registration

Romeo sends:

	<iq id='jw81b36f' to='room@conference.localhost' type='get'>

		<query xmlns='jabber:iq:register'/>

	</iq>

Romeo receives:

	<iq type='result' from='room@conference.localhost' id='jw81b36f'>

		<query xmlns='jabber:iq:register'>

			<x type='form' xmlns='jabber:x:data'>

				<field type='hidden' var='FORM_TYPE'>

					<value>http://jabber.org/protocol/muc#register</value>

				</field>

				<field type='text-single' label='Nickname' var='muc#register_roomnick'>

					<required/>

				</field>

			</x>

		</query>

	</iq>

Romeo sends:

	<iq id='nv71va54' to='room@conference.localhost' type='set'>

		<query xmlns='jabber:iq:register'>

			<x xmlns='jabber:x:data' type='submit'>

				<field var='FORM_TYPE'>

					<value>http://jabber.org/protocol/muc#register</value>

				</field>

				<field var='muc#register_roomnick'>

					<value>Romeo</value>

				</field>

			</x>

		</query>

	</iq>

Romeo receives:

	<presence from='room@conference.localhost/Romeo'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item affiliation='owner' jid="${Romeo's full JID}" role='moderator'/>

			<status code='110'/>

		</x>

	</presence>

Romeo receives:

	<iq type='result' from='room@conference.localhost' id='nv71va54'/>

Juliet receives:

	<presence from='room@conference.localhost/Romeo'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item role='moderator' xmlns='http://jabber.org/protocol/muc#user' affiliation='owner'/>

		</x>

	</presence>

# Romeo discovers his reserved nick

Romeo sends:

	<iq id='getnick1' to='room@conference.localhost' type='get'>

		<query xmlns='http://jabber.org/protocol/disco#info' node='x-roomuser-item'/>

	</iq>

Romeo receives:

	<iq type='result' from='room@conference.localhost' id='getnick1'>

		<query xmlns='http://jabber.org/protocol/disco#info' node='x-roomuser-item'>

			<identity category='conference' name='Romeo' type='text'/>

		</query>

	</iq>

# To check the status of the room is as expected, Romeo requests the member list

Romeo sends:

	<iq id='member3' to='room@conference.localhost' type='get'>

		<query xmlns='http://jabber.org/protocol/muc#admin'>

			<item affiliation='member'/>

		</query>

	</iq>

Romeo receives:

	<iq from='room@conference.localhost' type='result' id='member3'>

		<query xmlns='http://jabber.org/protocol/muc#admin'>

			<item jid="${Juliet's JID}" affiliation='member' nick='Juliet'/>

		</query>

	</iq>

Juliet sends:

	<presence type="unavailable" to="room@conference.localhost/Juliet" />

Juliet receives:

	<presence from='room@conference.localhost/Juliet' type='unavailable' />

Romeo receives:

	<presence type='unavailable' from='room@conference.localhost/Juliet' />

# Rosaline joins as herself

Rosaline sends:

	<presence to="room@conference.localhost/Rosaline">

		<x xmlns="http://jabber.org/protocol/muc"/>

	</presence>

Rosaline receives:

	<presence from="room@conference.localhost/Romeo" />

Rosaline receives:

	<presence from='room@conference.localhost/Juliet' type='unavailable'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item affiliation='member' role='none' nick='Juliet' xmlns='http://jabber.org/protocol/muc#user'/>

		</x>

	</presence>

Rosaline receives:

	<presence from="room@conference.localhost/Rosaline" />

Rosaline receives:

	<message type='groupchat' from='room@conference.localhost'><subject/></message>

Romeo receives:

	<presence from='room@conference.localhost/Rosaline'>

		<x xmlns='http://jabber.org/protocol/muc#user'>

			<item jid="${Rosaline's full JID}" affiliation='none' role='participant'/>

		</x>

	</presence>

# Rosaline tries to register her own nickname, but unaffiliated