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routes: add a new 404 page.

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* Fix a bug where non-GET 404 requests weren't handled.
* Fix a bug where non-HTML 404 requests weren't handled.
* Show a random image from a specified pool on the 404 page.
This commit is contained in:
evazion
2020-12-24 00:07:19 -06:00
parent 039ccfa3af
commit c17678d509
8 changed files with 76 additions and 37 deletions
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6
app/controllers/application_controller.rb
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@@ -124,17 +124,17 @@ class ApplicationController < ActionController::Base
end
end
def render_error_page(status, exception, message: exception.message, template: "static/error", format: request.format.symbol)
def render_error_page(status, exception = nil, message: exception.message, template: "static/error", format: request.format.symbol)
@exception = exception
@expected = status < 500
@message = message.encode("utf-8", invalid: :replace, undef: :replace)
@backtrace = Rails.backtrace_cleaner.clean(@exception.backtrace)
@backtrace = Rails.backtrace_cleaner.clean(@exception.backtrace) if @exception
format = :html unless format.in?(%i[html json xml js atom])
# if InvalidAuthenticityToken was raised, CurrentUser isn't set so we have to use the blank layout.
layout = CurrentUser.user.present? ? "default" : "blank"
DanbooruLogger.log(@exception, expected: @expected)
DanbooruLogger.log(@exception, expected: @expected) if @exception
render template, layout: layout, status: status, formats: format
rescue ActionView::MissingTemplate
render "static/error", layout: layout, status: status, formats: format