Sha256: 4c8c075f92a9f1851abd1171f2e921fefc4ba600f25cc2087b2269d4b1ee8836
Contents?: true
Size: 719 Bytes
Versions: 17
Compression:
Stored size: 719 Bytes
Contents
# FROM https://github.com/nsanta/fbgraph/blob/master/lib/fbgraph/canvas.rb
def parse_signed_request(request)
encoded_sig, payload = request.split('.', 2)
sig = urldecode64(encoded_sig)
data = JSON.parse(urldecode64(payload))
if data['algorithm'].to_s.upcase != 'HMAC-SHA256'
raise "Bad signature algorithm: %s" % data['algorithm']
end
expected_sig = OpenSSL::HMAC.digest('sha256', FB[:secret], payload)
if expected_sig != sig
raise "Bad signature"
end
data
end
def urldecode64(str)
encoded_str = str.tr('-_', '+/')
encoded_str += '=' while !(encoded_str.size % 4).zero?
Base64.decode64(encoded_str)
end
Version data entries
17 entries across 17 versions & 1 rubygems