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Versions: 16
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Contents
module Braintree
class WebhookNotificationGateway # :nodoc:
def initialize(gateway)
@gateway = gateway
@config = gateway.config
end
def parse(signature_string, payload)
_verify_signature(signature_string, payload)
attributes = Xml.hash_from_xml(Base64.decode64(payload))
WebhookNotification._new(@gateway, attributes[:notification])
end
def verify(challenge)
digest = Braintree::Digest.hexdigest(@config.private_key, challenge)
"#{@config.public_key}|#{digest}"
end
def _matching_signature_pair(signature_string)
signature_pairs = signature_string.split("&")
valid_pairs = signature_pairs.select { |pair| pair.include?("|") }.map { |pair| pair.split("|") }
valid_pairs.detect do |public_key, signature|
public_key == @config.public_key
end
end
def _verify_signature(signature, payload)
public_key, signature = _matching_signature_pair(signature)
payload_signature = Braintree::Digest.hexdigest(@config.private_key, payload)
raise InvalidSignature if public_key.nil?
raise InvalidSignature unless Braintree::Digest.secure_compare(signature, payload_signature)
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems