- # Check permissions on the collection manifest.
- # If any signature cannot be verified, return 403 Permission denied.
- api_token = current_api_client_authorization.andand.api_token
- signing_opts = {
- key: Rails.configuration.blob_signing_key,
- api_token: api_token,
- ttl: Rails.configuration.blob_signing_ttl,
- }
- resource_attrs[:manifest_text].lines.each do |entry|
- entry.split[1..-1].each do |tok|
- if /^[[:digit:]]+:[[:digit:]]+:/.match tok
- # This is a filename token, not a blob locator. Note that we
- # keep checking tokens after this, even though manifest
- # format dictates that all subsequent tokens will also be
- # filenames. Safety first!
- elsif Blob.verify_signature tok, signing_opts
- # OK.
- elsif Locator.parse(tok).andand.signature
- # Signature provided, but verify_signature did not like it.
- logger.warn "Invalid signature on locator #{tok}"
- raise ArvadosModel::PermissionDeniedError
- elsif Rails.configuration.permit_create_collection_with_unsigned_manifest
- # No signature provided, but we are running in insecure mode.
- logger.debug "Missing signature on locator #{tok} ignored"
- elsif Blob.new(tok).empty?
- # No signature provided -- but no data to protect, either.
- else
- logger.warn "Missing signature on locator #{tok}"
- raise ArvadosModel::PermissionDeniedError
- end
- end
- end
-
- # Remove any permission signatures from the manifest.
- munge_manifest_locators(resource_attrs[:manifest_text]) do |loc|
- loc.without_signature.to_s