lib/fbgraph/authorization.rb in fbgraph-0.1.4 vs lib/fbgraph/authorization.rb in fbgraph-0.1.6

@@ -5,16 +5,50 @@
     def initialize(client)
       @client = client
     end
     
     def authorize_url(params = {})
+      params = { :redirect_uri => FBGraph.config[:canvas_url] }.merge(params)
       @client.oauth_client.web_server.authorize_url(params)
     end
     
 
     def process_callback(code, options = {})
+      options = { :redirect_uri => FBGraph.config[:canvas_url] }.merge(options)
       @client.auth = @client.oauth_client.web_server.get_access_token(code, options)
       @client.access_token = @client.auth.token
+    end
+    
+    def upgrade_session!(key)
+      token = upgrade_session_keys(key).first
+      @client.access_token = token
+    end
+
+    def upgrade_session_keys(*keys)
+      tokens = @client.oauth_client.request(:get, '/oauth/exchange_sessions', {
+        :client_id     => @client.client_id,
+        :client_secret => @client.secret_id,
+        :type          => 'client_cred',
+        :sessions      => keys.flatten.join(',')
+      })
+      JSON.parse(tokens).map { |hash| hash['access_token'] if hash}
+    end
+
+    def upgrade_session(key)
+      token = upgrade_session_keys(key).first
+      @client.access_token = token['access_token']
+      token
+    end
+
+
+    def exchange_sessions(*keys)
+      tokens = @client.oauth_client.request(:get, '/oauth/exchange_sessions', {
+        :client_id     => @client.client_id,
+        :client_secret => @client.secret_id,
+        :type          => 'client_cred',
+        :sessions      => keys.flatten.join(',')
+      })
+      JSON.parse(tokens)
     end
 
   end  
 end