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author | David Heinemeier Hansson <david@loudthinking.com> | 2017-08-04 18:05:13 -0500 |
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committer | GitHub <noreply@github.com> | 2017-08-04 18:05:13 -0500 |
commit | 552840660389e39f3ba8e47dcf35ab817c01cb48 (patch) | |
tree | 5013b2d5a1691ac1f675935eea38848639ac54bc /activestorage/app/controllers/active_storage/variants_controller.rb | |
parent | 978b3d604ab082ac0be071245646b0803b8ff382 (diff) | |
parent | 3179f089be4f631b9c0f8b431567992164f2bdb4 (diff) | |
download | rails-552840660389e39f3ba8e47dcf35ab817c01cb48.tar.gz rails-552840660389e39f3ba8e47dcf35ab817c01cb48.tar.bz2 rails-552840660389e39f3ba8e47dcf35ab817c01cb48.zip |
Merge pull request #30020 from rails/active-storage-import
Add Active Storage to Rails
Diffstat (limited to 'activestorage/app/controllers/active_storage/variants_controller.rb')
-rw-r--r-- | activestorage/app/controllers/active_storage/variants_controller.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/activestorage/app/controllers/active_storage/variants_controller.rb b/activestorage/app/controllers/active_storage/variants_controller.rb new file mode 100644 index 0000000000..994c57aafd --- /dev/null +++ b/activestorage/app/controllers/active_storage/variants_controller.rb @@ -0,0 +1,26 @@ +# Take a signed permanent reference for a variant and turn it into an expiring service URL for download. +# Note: These URLs are publicly accessible. If you need to enforce access protection beyond the +# security-through-obscurity factor of the signed blob and variation reference, you'll need to implement your own +# authenticated redirection controller. +class ActiveStorage::VariantsController < ActionController::Base + def show + if blob = find_signed_blob + redirect_to ActiveStorage::Variant.new(blob, decoded_variation).processed.service_url(disposition: disposition_param) + else + head :not_found + end + end + + private + def find_signed_blob + ActiveStorage::Blob.find_signed(params[:signed_blob_id]) + end + + def decoded_variation + ActiveStorage::Variation.decode(params[:variation_key]) + end + + def disposition_param + params[:disposition].presence_in(%w( inline attachment )) || "inline" + end +end |