Orbit/app/controllers/gridfs_controller.rb

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require 'mongo'
class GridfsController < ActionController::Metal
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def serve
gridfs_path = (params[:path]+'.'+params[:format]).gsub("/gridfs/", "").force_encoding("UTF-8")
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begin
gridfs_file = Mongo::GridFileSystem.new(Mongoid.database).open(gridfs_path, 'r')
self.response_body = gridfs_file.read
self.content_type = gridfs_file.content_type
rescue
self.status = :file_not_found
self.content_type = 'text/plain'
self.response_body = ''
end
end
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end