75 lines
2.6 KiB
Ruby
75 lines
2.6 KiB
Ruby
class ApplicationController < ActionController::Base
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session :session_key => '_barleysodas_session_id'
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append_before_filter :block_prefetching_links
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##
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# Ensures that the request was made using an Ajax request.
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#
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def ensure_xhr
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return false unless request.xhr?
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true
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end
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##
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# Sane error and missing document messages.
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#
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def rescue_action_in_public(exception)
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logger.debug("#{exception.class.name}: #{exception.to_s}")
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exception.backtrace.each { |bt| logger.debug "! #{bt}" }
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case exception
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when ::ActiveRecord::RecordNotFound,
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::ActionController::UnknownController,
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::ActionController::UnknownAction,
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::ActionController::RoutingError
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render :file => File.join(RAILS_ROOT, 'public/404.html'),
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:status => '404 Not Found'
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else
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render :file => File.join(RAILS_ROOT, 'public/500.html'),
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:status => '500 Error'
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end
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end
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##
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# Sets the <tt>@page</tt> variable to allow discussions. This should probably
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# have some kind of permission availability check later on.
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#
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def allow_page_discussions
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@page.allow_discussions = true
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end
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private
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##
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# Stops all prefetching by the Google web accelerator by returning a 403
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# forbidden error.
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#
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# Original Copyright:
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# Copyright (c) 2005 David Heinemeier Hansson
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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def block_prefetching_links
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if request.env["HTTP_X_MOZ"] == "prefetch"
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render :nothing => true, :status => "403 Forbidden"
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return false
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end
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end
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end
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