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author | José Valim <jose.valim@gmail.com> | 2011-12-01 20:46:18 +0100 |
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committer | José Valim <jose.valim@gmail.com> | 2011-12-01 20:46:18 +0100 |
commit | 750bb5c865ac9234da91ec451eec7d9de55b8f9b (patch) | |
tree | 16873e2a42d812f637cde622ab933e1e7667f10c /actionpack/lib/action_dispatch/middleware/debug_exceptions.rb | |
parent | 956ecff8337908d7c3908977a5c8e12296a5b576 (diff) | |
download | rails-750bb5c865ac9234da91ec451eec7d9de55b8f9b.tar.gz rails-750bb5c865ac9234da91ec451eec7d9de55b8f9b.tar.bz2 rails-750bb5c865ac9234da91ec451eec7d9de55b8f9b.zip |
Split ShowExceptions responsibilities in two middlewares.
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/debug_exceptions.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/middleware/debug_exceptions.rb | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb b/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb new file mode 100644 index 0000000000..5da21ddd3d --- /dev/null +++ b/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb @@ -0,0 +1,77 @@ +require 'action_dispatch/http/request' +require 'action_dispatch/middleware/exception_wrapper' + +module ActionDispatch + # This middleware is responsible for logging exceptions and + # showing a debugging page in case the request is local. + class DebugExceptions + RESCUES_TEMPLATE_PATH = File.join(File.dirname(__FILE__), 'templates') + + def initialize(app) + @app = app + end + + def call(env) + begin + response = @app.call(env) + + if response[1]['X-Cascade'] == 'pass' + raise ActionController::RoutingError, "No route matches [#{env['REQUEST_METHOD']}] #{env['PATH_INFO'].inspect}" + end + rescue Exception => exception + raise exception if env['action_dispatch.show_exceptions'] == false + end + + response ? response : render_exception(env, exception) + end + + private + + def render_exception(env, exception) + wrapper = ExceptionWrapper.new(env, exception) + log_error(env, wrapper) + + if env['action_dispatch.show_detailed_exceptions'] + template = ActionView::Base.new([RESCUES_TEMPLATE_PATH], + :request => Request.new(env), + :exception => wrapper.exception, + :application_trace => wrapper.application_trace, + :framework_trace => wrapper.framework_trace, + :full_trace => wrapper.full_trace + ) + + file = "rescues/#{wrapper.rescue_template}" + body = template.render(:template => file, :layout => 'rescues/layout') + render(wrapper.status_code, body) + else + raise exception + end + end + + def render(status, body) + [status, {'Content-Type' => "text/html; charset=#{Response.default_charset}", 'Content-Length' => body.bytesize.to_s}, [body]] + end + + def log_error(env, wrapper) + logger = logger(env) + return unless logger + + exception = wrapper.exception + + ActiveSupport::Deprecation.silence do + message = "\n#{exception.class} (#{exception.message}):\n" + message << exception.annoted_source_code.to_s if exception.respond_to?(:annoted_source_code) + message << " " << wrapper.application_trace.join("\n ") + logger.fatal("#{message}\n\n") + end + end + + def logger(env) + env['action_dispatch.logger'] || stderr_logger + end + + def stderr_logger + @stderr_logger ||= Logger.new($stderr) + end + end +end |