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Fix crash on receiving requests with missing Digest header (#15782) 

* Fix crash on receiving requests with missing Digest header

Return an error pointing out that Digest is missing, instead of crashing.

Fixes #15743

* Fix from review feedback
gh/stable
Claire 2021-02-26 17:40:27 +01:00 committed by GitHub
parent 7d9ba8c243
commit 75189af528
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app/controllers/concerns/signature_verification.rb
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@ -133,6 +133,7 @@ module SignatureVerification
def verify_body_digest! def verify_body_digest!
return unless signed_headers.include?('digest') return unless signed_headers.include?('digest')
raise SignatureVerificationError, 'Digest header missing' unless request.headers.key?('Digest')
digests = request.headers['Digest'].split(',').map { |digest| digest.split('=', 2) }.map { |key, value| [key.downcase, value] } digests = request.headers['Digest'].split(',').map { |digest| digest.split('=', 2) }.map { |key, value| [key.downcase, value] }
sha256 = digests.assoc('sha-256') sha256 = digests.assoc('sha-256')