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class ApplicationController < ActionController::Base
protect_from_forgery
before_filter :no_cache_header
before_filter :no_frame_header
ActiveSupport.run_load_hooks(:application_controller, self)
protected
rescue_from StandardError do |e|
respond_to do |format|
format.json { render_json_error }
format.all { raise e } # reraise the exception so the normal thing happens.
end
end
def render_json_error
render status: 500,
json: {error: "The server failed to process your request. We'll look into it."}
end
#
# Allows us to pass through bold text to flash messages. See format_flash() for where this is reversed.
#
# TODO: move to core
#
def bold(str)
"[b]#{str}[/b]"
end
helper_method :bold
#
# we want to prevent the browser from caching anything, just to be safe.
#
def no_cache_header
response.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
response.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "0"
end
#
# prevent app from being embedded in an iframe, for browsers that support x-frame-options.
#
def no_frame_header
response.headers["X-Frame-Options"] = "DENY"
end
end
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