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author | Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp> | 2018-03-26 21:02:10 +0900 |
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committer | Eugen Rochko <eugen@zeonfederated.com> | 2018-03-26 14:02:10 +0200 |
commit | 40e5d2303ba1edc51beae66cc15263675980106a (patch) | |
tree | 42364f04c30bab43a27cc6ea17173ae825cad153 /app/models/preview_card.rb | |
parent | 18965cb0e611b226c6252f1669f228f5b95f1ac6 (diff) |
Validate HTTP response length while receiving (#6891)
to_s method of HTTP::Response keeps blocking while it receives the whole content, no matter how it is big. This means it may waste time to receive unacceptably large files. It may also consume memory and disk in the process. This solves the inefficency by checking response length while receiving.
Diffstat (limited to 'app/models/preview_card.rb')
-rw-r--r-- | app/models/preview_card.rb | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/app/models/preview_card.rb b/app/models/preview_card.rb index 86eecdfe5..0c82f06ce 100644 --- a/app/models/preview_card.rb +++ b/app/models/preview_card.rb @@ -26,6 +26,7 @@ class PreviewCard < ApplicationRecord IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze + LIMIT = 1.megabytes self.inheritance_column = false @@ -36,11 +37,11 @@ class PreviewCard < ApplicationRecord has_attached_file :image, styles: { original: { geometry: '400x400>', file_geometry_parser: FastGeometryParser } }, convert_options: { all: '-quality 80 -strip' } include Attachmentable - include Remotable validates :url, presence: true, uniqueness: true validates_attachment_content_type :image, content_type: IMAGE_MIME_TYPES - validates_attachment_size :image, less_than: 1.megabytes + validates_attachment_size :image, less_than: LIMIT + remotable_attachment :image, LIMIT before_save :extract_dimensions, if: :link? |