#345: updated authenticate_user!

app/controllers/api/v1/base_controller.rb

@@ -17,7 +17,11 @@ class Api::V1::BaseController < ApplicationController
   # via parameters. However, anyone could use Rails's token
   # authentication features to get the token from a header.
   def authenticate_user!
-    user_token = params[:user_token].presence
+    user_token = params[:authentication_token].presence
+    unless user_token
+      credentials = decode_credentials.select(&:present?)
+      user_token  = credentials.first if credentials.size == 1
+    end
     user = user_token && User.find_by_authentication_token(user_token.to_s)
  
     if user
@@ -31,6 +35,12 @@ class Api::V1::BaseController < ApplicationController
     end
   end
 
+  # Helper to decode credentials from HTTP.
+  def decode_credentials
+    return [] unless request.authorization && request.authorization =~ /^Basic (.*)/m
+    Base64.decode64($1).split(/:/, 2)
+  end
+
   def set_csv_file_headers(file_name)
     headers['Content-Type'] = 'text/csv'
     headers['Content-disposition'] = "attachment; filename=\"#{file_name}.csv\""