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-rw-r--r--app/uploaders/uploader_helper.rb9
1 files changed, 8 insertions, 1 deletions
diff --git a/app/uploaders/uploader_helper.rb b/app/uploaders/uploader_helper.rb
index fbaea2744a3..35fd1ed23f8 100644
--- a/app/uploaders/uploader_helper.rb
+++ b/app/uploaders/uploader_helper.rb
@@ -1,12 +1,15 @@
# Extra methods for uploader
module UploaderHelper
- IMAGE_EXT = %w[png jpg jpeg gif bmp tiff svg]
+ IMAGE_EXT = %w[png jpg jpeg gif bmp tiff]
# We recommend using the .mp4 format over .mov. Videos in .mov format can
# still be used but you really need to make sure they are served with the
# proper MIME type video/mp4 and not video/quicktime or your videos won't play
# on IE >= 9.
# http://archive.sublimevideo.info/20150912/docs.sublimevideo.net/troubleshooting.html
VIDEO_EXT = %w[mp4 m4v mov webm ogv]
+ # These extension types can contain dangerous code and should only be embedded inline with
+ # proper filtering. They should always be tagged as "Content-Disposition: attachment", not "inline".
+ DANGEROUS_EXT = %w[svg]
def image?
extension_match?(IMAGE_EXT)
@@ -20,6 +23,10 @@ module UploaderHelper
image? || video?
end
+ def dangerous?
+ extension_match?(DANGEROUS_EXT)
+ end
+
def extension_match?(extensions)
return false unless file