31 lines
1.3 KiB
Crystal
31 lines
1.3 KiB
Crystal
module Kemal
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# Handles all the exceptions, including 404, custom errors and 500.
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class ExceptionHandler
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include HTTP::Handler
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INSTANCE = new
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def call(context : HTTP::Server::Context)
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call_next(context)
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rescue ex : Kemal::Exceptions::RouteNotFound
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call_exception_with_status_code(context, ex, 404)
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rescue ex : Kemal::Exceptions::CustomException
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call_exception_with_status_code(context, ex, context.response.status_code)
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rescue ex : Exception
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log("Exception: #{ex.inspect_with_backtrace}")
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return call_exception_with_status_code(context, ex, 500) if Kemal.config.error_handlers.has_key?(500)
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verbosity = Kemal.config.env == "production" ? false : true
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render_500(context, ex, verbosity)
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end
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private def call_exception_with_status_code(context : HTTP::Server::Context, exception : Exception, status_code : Int32)
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return if context.response.closed?
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if !Kemal.config.error_handlers.empty? && Kemal.config.error_handlers.has_key?(status_code)
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context.response.content_type = "text/html" unless context.response.headers.has_key?("Content-Type")
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context.response.status_code = status_code
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context.response.print Kemal.config.error_handlers[status_code].call(context, exception)
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context
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end
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end
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end
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end
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