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# File 'lib/active_merchant/billing/integrations/wirecard_checkout_page/common.rb', line 54
def verify_response(params, secret)
logstr = ''
params.each { |key, value|
logstr += "#{key} #{value}\n"
}
@paymentstate = 'FAILURE'
unless params.has_key?('paymentState')
@message = "paymentState is missing"
return false
end
if params['paymentState'] == 'SUCCESS' || params['paymentState'] == 'PENDING'
unless params.has_key?('responseFingerprint')
@message = "responseFingerprint is missing"
return false
end
unless params.has_key?('responseFingerprintOrder')
@message = "responseFingerprintOrder is missing"
return false
end
end
if params['paymentState'] == 'SUCCESS' || params['paymentState'] == 'PENDING'
fields = params['responseFingerprintOrder'].split(",")
values = ''
fields.each { |f|
values += f == 'secret' ? secret : params[f]
}
if Digest::MD5.hexdigest(values) != params['responseFingerprint']
@message = "responseFingerprint verification failed"
return false
end
end
@paymentstate = params['paymentState']
true
end
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