# MUC: Room registration and reserved nicknames

[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>
			</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:
	<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'/>
			</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'>
			<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'/>

# 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>

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'>
			<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'/>
			</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>