Traditionally, instant messaging is thought to consist of one-to-one chat rather than many-to-many chat, which is called variously "groupchat" or "text conferencing".
Groupchat functionality is familiar from systems such as Internet Relay Chat IRC and the chatroom functionality offered by popular consumer IM services. That "groupchat 1. This document addresses common requirements related to configuration of, participation in, and administration of individual chwt conference rooms. This limited scope is not meant to disparage such topics, which are of inherent interest; however, it is meant to focus the discussion in this document and to present a comprehensible protocol that can be implemented by client and service developers alike.
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Future specifications might address the topics mentioned above. This document addresses the minimal functionality provided by Jabber-based multi-user chat services that existed in when development of MUC began. This de is based on the original groupchat 1. The additional features and functionality addressed in MUC include the following:.
In addition, this document provides protocol elements for supporting the following room types:. Most of the examples in this document use the scenario of the witches' meeting held in a dark cave at the beginning chat sex dating in burlington Act IV, Scene I of Shakespeare's Macbethrepresented here as the "coven chat.
The characters are as follows:. A user might be allowed to perform any of actions in a room, from ing or sending a message to changing configuration options or destroying the room altogether. We call each permitted action a "privilege". There are two ways we might structure privileges:. Define each privilege atomically and explicitly define each user's particular privileges; this chwt flexible but can be confusing to manage.
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Define bundles of privileges that are generally applicable and as a user-friendly "shortcut" to each bundle e. MUC also defines two different associations: long-lived affiliations and session-specific roles. These two association types are distinct from each other in MUC, since an affiliation lasts across 31, while a role lasts only for the duration of a visit. In addition, there is no one-to-one correspondence between roles and affiliations; for example, someone who is not affiliated with a room may be a temporary moderator, and a member may be a participant or a visitor in a moderated room.
These concepts are explained more fully below. Roles are temporary in that they do not necessarily persist across a user's visits to the room and MAY change during the course of an occupant's visit to the room. An implementation MAY persist roles across visits and SHOULD do so for moderated rooms since the distinction between visitor and participant is critical to the functioning of a moderated room.
There is no one-to-one mapping between roles and affiliations e. A moderator is the most powerful role within the context of the room, and can chat to asian women some extent manage other occupants' roles in the room. A participant has fewer privileges than a moderator, although he or she always has the right to speak.
A visitor is a more restricted role within the context of a moderated room, since visitors are not allowed to send messages to all occupants depending on room configuration, it is even possible that visitors' presence will not be broadcasted to the room. The privileges associated with these roles, as well as the actions that trigger changes in roles, are defined below. Information about roles MUST be sent in all presence stanzas generated or reflected by the room and thus sent to occupants if the room is configured to broadcast presence for a given role.
For the most part, roles exist in a hierarchy. For instance, a participant can do anything a visitor can do, and a moderator can do anything a participant can do. Each role has all the privileges possessed by the next-lowest role, plus additional privileges; these privileges are specified in the following table as defaults an implementation MAY provide configuration options that override these defaults.
The following table summarizes the initial default roles that a service SHOULD set based on the user's affiliation there is teen mom chat role associated with the "outcast" affiliation, since such users are not allowed to enter the room.
The ways in which an occupant's role changes are well-defined. Sometimes the change from the occupant's own action e. If an occupant's role changes, a MUC service implementation MUST change the occupant's role to reflect the change and communicate the change to all occupants if the room is configured to broadcast presence from entities with a given role. Role changes and their triggering actions are specified in the following table.
Note: Certain roles are typically implicit in certain affiliations.
For cnat, an admin or owner is automatically a moderator, so if an occupant is granted an affiliation of admin then the occupant will by that fact be granted a role of moderator; similarly, when an occupant is granted an affiliation of member in a moderated room, the occupant automatically has a role of participant. However, the loss of the admin affiliation does not necessarily chay that the occupant no longer has a role of moderator since a "mere" occupant can be a moderator.
Therefore, the role that is gained when an occupant is granted a certain affiliation is stable, whereas the role that is lost when an occupant loses a certain affilitation is not hardcoded and angaston adult chat left up to the implementation. The "None" affiliation is the absence of an affiliation. These affiliations are long-lived in that they persist across a user's visits to the room and are not affected by happenings in the room.
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In addition, there is no one-to-one mapping between these affiliations and an occupant's sex chat for guys within the room. Affiliations are granted, revoked, and maintained based on the user's bare JID, not the nick as with roles. If a user without a defined affiliation enters a room, the user's affiliation is defined as "none"; however, this affiliation does not persist across visits i.
The member affiliation provides a way for a room owner or admin to specify a "whitelist" of users who are allowed to enter a members-only room.
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When a member enters a members-only room, his or her affiliation does not change, no matter what his or her role is. The member affiliation also provides a way for users to register with an open room and thus be lastingly associated with that room in some way one result might be that the service could reserve the user's nickname in the room. An outcast is a user who has been banned from a room and who is not allowed to enter the room. Information about affiliations MUST be sent in all presence stanzas generated or reflected by the room and sent to occupants if the room is configured to broadcast presence from entities with a given role.
For the most part, affiliations exist in a hierarchy. For instance, an free sexting online can do anything an admin can do, and an admin can do anything a member can do. Each affiliation has all the privileges possessed by the next-lowest affiliation, plus additional privileges; these privileges are specified in z following table.
A member enters a room as a participant. An admin or owner enters a room as a moderator. The ways in which a user's affiliation changes are well-defined. Sometimes the change from the user's own action e. If a user's affiliation changes, a MUC service implementation MUST change the user's affiliation to reflect the change and communicate that to all occupants if the room is configured to 177 presence from entities with a given role.
Affiliation changes and their triggering actions are specified in the following dhat. Any entity can complete the following disco-related use cases. An entity often discovers a MUC service by sending a Service Discovery items "disco items" request to its own server. An entity may wish to discover if a service implements the Multi-User Chat protocol; in order to do so, it sends a service discovery information "disco info" query to the MUC service's JID.
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The service discovery items "disco items" protocol enables an entity to query a service for a list of associated items, which in the case of a chat service would consist of the specific chat rooms hosted by the service. Using the disco info protocol, an entity may also query a specific chat room for more detailed information about the room. An entity SHOULD do so before entering a room in order to determine the privacy and 177 profile of the room configuration chqt the Security Considerations for details.
Such information might include a more verbose description of the room, the current room subject, and the current of occupants in the room:. Some extended room information is dynamically generated e. An implementation MAY golf chats a list of existing occupants if that information is publicly available, or return no list video chat room adult all if this information is kept private.
Implementations and deployments are advised to turn off such information sharing by default. If an occupant sends such a request, the service MAY pass it through the intended recipient; see the Cchat Guidelines section of this document for details. An 133 might want to discover if one of the entity's contacts supports the Multi-User Chat protocol e. This can be done using Service Discovery.
An entity may also query talin chat contact regarding which rooms the contact is in. Optionally, the contact MAY include its roomnick as the value of the 'name' attribute:. The main actor in a multi-user chat environment is the occupant, who can be said to be chat rooms for single people "in" a multi-user chat room and to participate in the discussions held in that room for the purposes of this specification, participants and visitors are considered to be "mere" occupants, since they possess no admin status.
As will become clear, the protocol elements proposed in this document to fulfill the occupant use cases fall into three :. Note: All client-generated examples herein are presented from the perspective of the service, with the result that all stanzas received by a service contain a 'from' attribute corresponding to the sender's full JID as added by a normal XMPP router or session manager. The order of events involved in ing a room needs to be consistent so that clients can know which events to expect when.
In order to participate in the discussions held in a multi-user chat room, a user MUST first become an occupant by entering the room. In this example, a user with a full JID of "hag66 shakespeare. For further discussion, see the Presence porn chat claverack rules. The server MAY also send a presence update to the other participants according to the received presence.
In this example, the user from the example has entered the room, by which time two other people had already entered the room: a user with a room nickname of "firstwitch" who is a room cbat and a user with a room nickname of "secondwitch" who is a room admin. In this example, initial room presence is being sent from the new occupant thirdwitch to all occupants, including the new occupant.
As shown in the last stanza, the "self-presence" sent by the room to the new user MUST include a status code of so that the user knows this presence refers to itself as an occupant. This self-presence MUST NOT be sent to the new occupant until the room has sent the presence of all other occupants to the new occupant; this enables the new occupant to know when it has finished receiving the room roster. The service MAY rewrite fun evening chat to pass the time new occupant's roomnick e.
In particular, if roomnicks are locked down then the 31 MUST do one of the following.
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If the user has connected using a "groupchat 1. If the user has connected using a MUC client as indicated on ing the room by inclusion of the MUC extensionthen hcat service MUST allow the client to enter the room, modify the nick in accordance with the lockdown policy, and include a status code of "" in the presence broadcast that it sends to the new occupant.
Note: The order of the presence stanzas sent to the new occupant is important. The service MUST first send the complete list of the existing occupants to the new occupant and only then send the new occupant's own presence to the new occupant. This helps the client know when it has received the complete "room chhat.
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For tracking purposes, the room might free video porn chat reflect the original 'id' value if provided in the presence stanza sent by the user. After sending the presence broadcast and only after doing sothe service MAY then send discussion history, the room subject, live messages, presence updates, and other in-room traffic.
If the user is entering a room that is non-anonymous i. The inclusion of the status code assists clients in presenting their own notification vhat e. If the room is chwt, the service MUST send presence from the new occupant to all occupants as specified above i.