bigbluebutton-Github/bigbluebutton-html5/app/server/redispubsub.coffee
2015-10-06 12:11:43 -07:00

397 lines
18 KiB
CoffeeScript
Executable File

Meteor.methods
# Construct and send a message to bbb-web to validate the user
validateAuthToken: (meetingId, userId, authToken) ->
Meteor.log.info "sending a validate_auth_token with",
userid: userId
authToken: authToken
meetingid: meetingId
message =
"payload":
"auth_token": authToken
"userid": userId
"meeting_id": meetingId
"header":
"timestamp": new Date().getTime()
"reply_to": meetingId + "/" + userId
"name": "validate_auth_token"
if authToken? and userId? and meetingId?
createDummyUser meetingId, userId, authToken
publish Meteor.config.redis.channels.toBBBApps.meeting, message
else
Meteor.log.info "did not have enough information to send a validate_auth_token message"
class Meteor.RedisPubSub
constructor: (callback) ->
Meteor.log.info "constructor RedisPubSub"
@pubClient = redis.createClient()
@subClient = redis.createClient()
Meteor.log.info("Subscribing message on channel: #{Meteor.config.redis.channels.fromBBBApps}")
@subClient.on "psubscribe", Meteor.bindEnvironment(@_onSubscribe)
@subClient.on "pmessage", Meteor.bindEnvironment(@_onMessage)
@subClient.psubscribe(Meteor.config.redis.channels.fromBBBApps)
callback @
_onSubscribe: (channel, count) =>
Meteor.log.info "Subscribed to #{channel}"
#grab data about all active meetings on the server
message =
"header":
"name": "get_all_meetings_request"
"payload": {} # I need this, otherwise bbb-apps won't recognize the message
publish Meteor.config.redis.channels.toBBBApps.meeting, message
_onMessage: (pattern, channel, jsonMsg) =>
# TODO: this has to be in a try/catch block, otherwise the server will
# crash if the message has a bad format
message = JSON.parse(jsonMsg)
correlationId = message.payload?.reply_to or message.header?.reply_to
meetingId = message.payload?.meeting_id
# just because it's common. we handle it anyway
notLoggedEventTypes = [
"keep_alive_reply"
"page_resized_message"
"presentation_page_resized_message"
"presentation_cursor_updated_message"
"get_presentation_info_reply"
# "get_users_reply"
"get_chat_history_reply"
"get_all_meetings_reply"
"presentation_shared_message"
"presentation_conversion_done_message"
"presentation_conversion_progress_message"
"presentation_page_generated_message"
"presentation_page_changed_message"
"BbbPubSubPongMessage"
"bbb_apps_is_alive_message"
]
if message?.header? and message?.payload?
unless message.header.name in notLoggedEventTypes
Meteor.log.info "eventType= #{message.header.name} ",
message: jsonMsg
# handle voice events
if message.header.name in ['user_left_voice_message', 'user_joined_voice_message', 'user_voice_talking_message', 'user_voice_muted_message']
if message.payload.user?
updateVoiceUser meetingId,
'web_userid': message.payload.user.voiceUser.web_userid
'listen_only': message.payload.listen_only
'talking': message.payload.user.voiceUser.talking
'joined': message.payload.user.voiceUser.joined
'locked': message.payload.user.voiceUser.locked
'muted': message.payload.user.voiceUser.muted
return
# listen only
if message.header.name is 'user_listening_only'
updateVoiceUser meetingId, {'web_userid': message.payload.userid, 'listen_only': message.payload.listen_only}
# most likely we don't need to ensure that the user's voiceUser's {talking, joined, muted, locked} are false by default #TODO?
return
if message.header.name is "get_all_meetings_reply"
Meteor.log.info "Let's store some data for the running meetings so that when an HTML5 client joins everything is ready!"
listOfMeetings = message.payload.meetings
for meeting in listOfMeetings
# we currently do not have voice_conf or duration in this message.
addMeetingToCollection meeting.meetingID, meeting.meetingName, meeting.recorded, meeting.voiceBridge, meeting.duration
return
if message.header.name is "get_users_reply" and message.payload.requester_id is "nodeJSapp"
unless Meteor.Meetings.findOne({MeetingId: message.payload.meeting_id})?
users = message.payload.users
for user in users
user.timeOfJoining = message.header.current_time # TODO this might need to be removed
if user.emoji_status isnt 'none' and typeof user.emoji_status is 'string'
user.set_emoji_time = new Date()
userJoined meetingId, user
return
if message.header.name is "validate_auth_token_reply"
user = Meteor.Users.findOne({userId:message.payload.userid, meetingId: message.payload.meeting_id})
validStatus = message.payload.valid
# if the user already exists in the db
if user?.clientType is "HTML5"
#if the html5 client user was validated successfully, add a flag
Meteor.Users.update({userId:message.payload.userid, meetingId:message.payload.meeting_id}, {$set:{validated: validStatus}})
Meteor.log.info "user.validated for user #{user.userId} in meeting #{user.meetingId} just
became #{Meteor.Users.findOne({userId:message.payload.userid, meetingId: message.payload.meeting_id})?.validated}"
else
Meteor.log.info "a non-html5 user got validate_auth_token_reply."
return
if message.header.name is "user_registered_message"
#createDummyUser message.payload.meeting_id, message.payload.user
return
if message.header.name is "user_joined_message"
userObj = message.payload.user
dbUser = Meteor.Users.findOne({userId: message.payload.user.userid, meetingId: message.payload.meeting_id})
if dbUser?.clientType is "HTML5" # typically html5 users will be in the db [as a dummy user] before the joining message
status = dbUser?.validated
Meteor.log.info "in user_joined_message the validStatus of the user was #{status}"
userJoined meetingId, userObj
return
if message.header.name is "user_left_message"
userId = message.payload.user?.userid
if userId? and meetingId?
markUserOffline meetingId, userId
return
if message.header.name is "disconnect_user_message"
Meteor.log.info "a user(#{message.payload.userid}) was kicked out from meeting(#{message.payload.meeting_id})"
return
if message.header.name is "get_chat_history_reply" and message.payload.requester_id is "nodeJSapp"
unless Meteor.Meetings.findOne({MeetingId: message.payload.meeting_id})?
for chatMessage in message.payload.chat_history
addChatToCollection meetingId, chatMessage
return
if message.header.name is "send_public_chat_message" or message.header.name is "send_private_chat_message"
messageObject = message.payload.message
# use current_time instead of message.from_time so that the chats from Flash and HTML5 have uniform times
messageObject.from_time = message.header.current_time
addChatToCollection meetingId, messageObject
return
if message.header.name is "meeting_created_message"
meetingName = message.payload.name
intendedForRecording = message.payload.recorded
voiceConf = message.payload.voice_conf
duration = message.payload.duration
addMeetingToCollection meetingId, meetingName, intendedForRecording, voiceConf, duration
return
if message.header.name is "presentation_shared_message"
presentationId = message.payload.presentation?.id
# change the currently displayed presentation to presentation.current = false
Meteor.Presentations.update({"presentation.current": true, meetingId: meetingId},{$set: {"presentation.current": false}})
#update(if already present) entirely the presentation with the fresh data
removePresentationFromCollection meetingId, presentationId
addPresentationToCollection meetingId, message.payload.presentation
for slide in message.payload.presentation?.pages
addSlideToCollection meetingId, message.payload.presentation?.id, slide
if slide.current
displayThisSlide meetingId, slide.id, slide
return
if message.header.name is "get_presentation_info_reply" and message.payload.requester_id is "nodeJSapp"
for presentation in message.payload.presentations
addPresentationToCollection meetingId, presentation
for page in presentation.pages
#add the slide to the collection
addSlideToCollection meetingId, presentation.id, page
#request for shapes
whiteboardId = "#{presentation.id}/#{page.num}" # d2d9a672040fbde2a47a10bf6c37b6a4b5ae187f-1404411622872/1
#Meteor.log.info "the whiteboard_id here is:" + whiteboardId
message =
"payload":
"meeting_id": meetingId
"requester_id": "nodeJSapp"
"whiteboard_id": whiteboardId
"header":
"timestamp": new Date().getTime()
"name": "get_whiteboard_shapes_request"
"version": "0.0.1"
if whiteboardId? and meetingId?
publish Meteor.config.redis.channels.toBBBApps.whiteboard, message
else
Meteor.log.info "did not have enough information to send a user_leaving_request"
return
if message.header.name is "presentation_page_changed_message"
newSlide = message.payload.page
displayThisSlide meetingId, newSlide?.id, newSlide
return
if message.header.name is "get_whiteboard_shapes_reply" and message.payload.requester_id is "nodeJSapp"
# Create a whiteboard clean status or find one for the current meeting
if not Meteor.WhiteboardCleanStatus.findOne({meetingId: meetingId})?
Meteor.WhiteboardCleanStatus.insert({meetingId: meetingId, in_progress: false})
for shape in message.payload.shapes
whiteboardId = shape.wb_id
addShapeToCollection meetingId, whiteboardId, shape
return
if message.header.name is "send_whiteboard_shape_message"
#Meteor stringifies an array of JSONs (...shape.result) in this message
#parsing the String and reassigning the value
if message.payload.shape.shape_type is "poll_result" and typeof message.payload.shape.shape.result is 'string'
message.payload.shape.shape.result = JSON.parse message.payload.shape.shape.result
shape = message.payload.shape
whiteboardId = shape?.wb_id
addShapeToCollection meetingId, whiteboardId, shape
return
if message.header.name is "presentation_cursor_updated_message"
x = message.payload.x_percent
y = message.payload.y_percent
Meteor.Presentations.update({"presentation.current": true, meetingId: meetingId},{$set: {"pointer.x": x, "pointer.y": y}})
return
if message.header.name is "whiteboard_cleared_message"
whiteboardId = message.payload.whiteboard_id
Meteor.WhiteboardCleanStatus.update({meetingId: meetingId}, {$set: {'in_progress': true}})
removeAllShapesFromSlide meetingId, whiteboardId
return
if message.header.name is "undo_whiteboard_request"
whiteboardId = message.payload.whiteboard_id
shapeId = message.payload.shape_id
removeShapeFromSlide meetingId, whiteboardId, shapeId
return
if message.header.name is "presenter_assigned_message"
newPresenterId = message.payload.new_presenter_id
if newPresenterId?
# reset the previous presenter
Meteor.Users.update({"user.presenter": true, meetingId: meetingId},{$set: {"user.presenter": false}})
# set the new presenter
Meteor.Users.update({"user.userid": newPresenterId, meetingId: meetingId},{$set: {"user.presenter": true}})
return
if message.header.name is "presentation_page_resized_message"
slideId = message.payload.page?.id
heightRatio = message.payload.page?.height_ratio
widthRatio = message.payload.page?.width_ratio
xOffset = message.payload.page?.x_offset
yOffset = message.payload.page?.y_offset
presentationId = slideId.split("/")[0]
Meteor.Slides.update({presentationId: presentationId, "slide.current": true}, {$set: {"slide.height_ratio": heightRatio, "slide.width_ratio": widthRatio, "slide.x_offset": xOffset, "slide.y_offset": yOffset}})
return
if message.header.name is "user_emoji_status_message"
userId = message.payload.userid
meetingId = message.payload.meeting_id
emojiStatus = message.payload.emoji_status
if userId? and meetingId?
set_emoji_time = new Date()
Meteor.Users.update({"user.userid": userId},{$set: {"user.set_emoji_time": set_emoji_time, "user.emoji_status": emojiStatus}})
return
if message.header.name is "recording_status_changed_message"
intendedForRecording = message.payload.recorded
currentlyBeingRecorded = message.payload.recording
Meteor.Meetings.update({meetingId: meetingId, intendedForRecording: intendedForRecording}, {$set: {currentlyBeingRecorded: currentlyBeingRecorded}})
return
if message.header.name is "desk_share_notifiy_viewers_webrtc"
deskshare = message.payload.deskshare
Meteor.Meetings.update({meetingId: meetingId}, {$set: {
"deskshare.broadcasting": deskshare.broadcasting
"deskshare.timestamp": deskshare.timestamp
"deskshare.vw": deskshare.vw
"deskshare.vh": deskshare.vh
"deskshare.voice_bridge": deskshare.voice_bridge
# "deskshare.startedBy":
}})
return
# --------------------------------------------------
# lock settings ------------------------------------
if message.header.name is "eject_voice_user_message"
console.log "\n111111111"
return
if message.header.name is "new_permission_settings"
oldSettings = Meteor.Meetings.findOne({meetingId:meetingId})?.roomLockSettings
newSettings = message.payload
# if the disableMic setting was turned on
if !oldSettings?.disableMic and newSettings.disableMic
handleLockingMic(meetingId, newSettings)
# substitute with the new lock settings
Meteor.Meetings.update({meetingId: meetingId}, {$set: {
'roomLockSettings.disablePrivChat': message.payload.disablePrivChat
'roomLockSettings.disableCam': message.payload.disableCam
'roomLockSettings.disableMic': message.payload.disableMic
'roomLockSettings.lockOnJoin': message.payload.lockOnJoin
'roomLockSettings.lockedLayout': message.payload.lockedLayout
'roomLockSettings.disablePubChat': message.payload.disablePubChat
}})
return
if message.header.name is "user_locked_message" or message.header.name is "user_unlocked_message"
userId = message.payload.userid
isLocked = message.payload.locked
setUserLockedStatus(meetingId, userId, isLocked)
return
if message.header.name in ["meeting_ended_message", "meeting_destroyed_event",
"end_and_kick_all_message", "disconnect_all_users_message"]
if Meteor.Meetings.findOne({meetingId: meetingId})?
Meteor.log.info "there are #{Meteor.Users.find({meetingId: meetingId}).count()} users in the meeting"
for user in Meteor.Users.find({meetingId: meetingId}).fetch()
markUserOffline meetingId, user.userId
#TODO should we clear the chat messages for that meeting?!
unless message.header.name is "disconnect_all_users_message"
removeMeetingFromCollection meetingId
return
if message.header.name is "poll_started_message"
if message.payload.meeting_id? and message.payload.requester_id? and message.payload.poll?
if Meteor.Meetings.findOne({meetingId: message.payload.meeting_id})?
#initializing the list of current users
users = Meteor.Users.find({meetingId: message.payload.meeting_id}, {fields:{"user.userid": 1, _id: 0}} ).fetch()
addPollToCollection message.payload.poll, message.payload.requester_id, users, message.payload.meeting_id
if message.header.name is "poll_stopped_message"
meetingId = message.payload.meeting_id
poll_id = message.payload.poll_id
clearPollCollection meetingId, poll_id
if message.header.name is "user_voted_poll_message"
if message.payload?.poll? and message.payload.meeting_id? and message.payload.presenter_id?
pollObj = message.payload.poll
meetingId = message.payload.meeting_id
requesterId = message.payload.presenter_id
updatePollCollection pollObj, meetingId, requesterId
if message.header.name is "poll_show_result_message"
if message.payload.poll.id? and message.payload.meeting_id?
poll_id = message.payload.poll.id
meetingId = message.payload.meeting_id
clearPollCollection meetingId, poll_id
# --------------------------------------------------------------------------------------------
# Private methods on server
# --------------------------------------------------------------------------------------------
# message should be an object
@publish = (channel, message) ->
# Meteor.log.info "Publishing",
# channel: channel
# message: message
if Meteor.redisPubSub?
Meteor.redisPubSub.pubClient.publish channel, JSON.stringify(message), (err, res) ->
if err
Meteor.log.info "error",
error: err
else
Meteor.log.info "ERROR!! Meteor.redisPubSub was undefined"