Class: Marte::Token

Inherits:
ActiveResource::Base
  • Object
show all
Defined in:
lib/marte/token.rb

Constant Summary collapse

KEY = 
"secret"
SERVICE_NAME = 
"marteRed5"
MAUTH_VERSION = 
"3.1"
MARTE_URL = 
"marte.dit.upm.es"
ROOM_SWF_FILE = 
"http://marte.dit.upm.es/system/MartEClient.swf"
CHAT_SWF_FILE = 
"http://marte.dit.upm.es/system/MartEClient.swf"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.collection_path(prefix_options = {}, query_options = nil) ⇒ Object

redefined to remove format.extension



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# File 'lib/marte/token.rb', line 44

def self.collection_path(prefix_options = {}, query_options = nil)
  prefix_options, query_options = split_options(prefix_options) if query_options.nil?
  "#{prefix(prefix_options)}#{collection_name}#{query_string(query_options)}"
end

.element_path(id, prefix_options = {}, query_options = nil) ⇒ Object 



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# File 'lib/marte/token.rb', line 49

def self.element_path(id, prefix_options = {}, query_options = nil)
  prefix_options, query_options = split_options(prefix_options) if query_options.nil?
  "#{prefix(prefix_options)}#{collection_name}/#{id}#{query_string(query_options)}"
end

.embed_for(*args) ⇒ Object 



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# File 'lib/marte/token.rb', line 54

def self.embed_for(*args)
  new.embed_for(*args)
rescue StandardError => e
  "The following error ocurred with the conference server: #{ e }"
end

.headers(user, attributes = {}) ⇒ Object

define the headers to add Authentication



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# File 'lib/marte/token.rb', line 18

def self.headers(user, attributes = {})
  #get the params to fill in the headers
  role = 'admin'
  
  #timestamp without decimals
  timestamp=Time.now.to_i
  
  #cnonce, we use a randon number between 1 and 999.999.999
  cnonce=rand(1000000000)
  
  #now we prepare the signature. It is a HMAC:SHA1 of "timestamp,cnonce,username,ro
  to_sign="#{timestamp},#{cnonce},#{user.slug},#{role},#{ user.id }"
  extra_header=",mauth_username=\"#{user.slug}\",mauth_role=\"#{role}\",mauth_external_uid\=#{ user.id }"
  
  #puts "cosas pa firmar " + to_sign
  signature=Base64.encode64(HMAC::SHA1.hexdigest(KEY, to_sign)).chomp.gsub(/\n/,'')
  
  #everything ready, create the message headers
  headers = {
    "Accept" => "application/html",
    "Content-Type" => "application/html",
    "Authorization"=> "MAuth realm=\"#{MARTE_URL}\", mauth_signature_method=\"HMAC_SHA1\", mauth_serviceid=\"#{SERVICE_NAME}\",mauth_signature=\"#{signature}\",mauth_timestamp=\"#{timestamp}\",mauth_cnonce=\"#{cnonce}\",mauth_version=\"#{MAUTH_VERSION}\"#{extra_header}"
  }
end

Instance Method Details

#createToken(user, room) ⇒ Object 



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# File 'lib/marte/token.rb', line 60

def createToken(user, room)
  connection.post(collection_path, room, self.class.headers(user, attributes)) do |response|
    self.id = id_from_response(response)
    load_attributes_from_response(response)
  end
end

#embed_for(user, room, options = {}) ⇒ Object 



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# File 'lib/marte/token.rb', line 67

def embed_for(user, room, options = {})
  options[:width]  ||= 750
  options[:height] ||= 600
  swf_file = ( options[:partner].present? ? ROOM_SWF_FILE : CHAT_SWF_FILE )

  token = createToken(user, room).body
  
  <<-EMBED
  <object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" id=\"MartEClient\" width=\"#{ options[:width] }\" height=\"#{ options[:height] }\" codebase=\"http://fpdownload.macromedia.com/get/flashplayer/current/swflash.cab\">
                              <param name=\"movie\" value=\" #{ swf_file }\" />
                              <param name=\"quality\" value=\"high\" />
                              <param name=\"allowScriptAccess\" value=\"sameDomain\" />
                              <param name=\"allowFullscreen\" value=\"true\" />
                              <param name=\"flashVars\" value=\"token=#{token}&room=#{room}&bgcolor=#FFFFFF\" />
                              <embed src=\"#{ swf_file }\" quality=\"high\" \"
                                      width=\"#{options[:width]}\" height=\"#{options[:height]}\" name=\"MartEClient\" align=\"top\" padding=\"0px 0px 0px 0px\"
                                      flashVars=\"token=#{token}&room=#{room}&bgcolor=#FFFFFF#{ "&partner=#{ options[:partner].slug }" if options[:partner] }\"
                                      play=\"true\"
                                      loop=\"false\"
                                      quality=\"high\"
                                      allowScriptAccess=\"sameDomain\"
                                      allowFullscreen=\"true\"
                                      type=\"application/x-shockwave-flash\"
                                      pluginspage=\"http://www.adobe.com/go/getflashplayer\">
                              </embed>
                        </object>
  EMBED
end