Add extra safety

This commit is contained in:
Sam 2015-08-25 12:05:15 +10:00
parent 2c59ad3dd3
commit 4e37bcc3e2

View file

@ -93,18 +93,28 @@ class StaticController < ApplicationController
# a huge expiry, we also cache these assets in nginx so it bypassed if needed # a huge expiry, we also cache these assets in nginx so it bypassed if needed
def favicon def favicon
data = DistributedMemoizer.memoize('favicon' + SiteSetting.favicon_url, 60*60*24) do data = DistributedMemoizer.memoize('favicon' + SiteSetting.favicon_url, 60*30) do
file = FileHelper.download(SiteSetting.favicon_url, 50.kilobytes, "favicon.png") begin
data = file.read file = FileHelper.download(SiteSetting.favicon_url, 50.kilobytes, "favicon.png")
file.unlink data = file.read
data file.unlink
data
rescue => e
Rails.logger.warn("Invalid favicon_url #{SiteSetting.favicon_url}: #{e}\n#{e.backtrace}")
""
end
end
if data.bytesize == 0
render text: UserAvatarsController::DOT, content_type: "image/gif"
else
expires_in 1.year, public: true
response.headers["Expires"] = 1.year.from_now.httpdate
response.headers["Content-Length"] = data.bytesize.to_s
response.headers["Last-Modified"] = Time.new('2000-01-01').httpdate
render text: data, content_type: "image/png"
end end
expires_in 1.year, public: true
response.headers["Expires"] = 1.year.from_now.httpdate
response.headers["Content-Length"] = data.bytesize.to_s
response.headers["Last-Modified"] = Time.new('2000-01-01').httpdate
render text: data, content_type: "image/png"
end end