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Versions: 19
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Contents
# Toplevel Pubnub module.
module Pubnub
# Event class lib/pubnub/event.rb
class Event
# Module that holds signature computing code
module Signature
private
def super_admin_signature(http_method, body)
return unless @app.env[:secret_key]
# Handle special case with publish operation signing when message sent as POST body.
http_method = if http_method.upcase == "POST" && current_operation == Pubnub::Constants::OPERATION_PUBLISH
"GET"
else
http_method.upcase
end
message = [
http_method.upcase,
@app.env[:publish_key],
path,
variables_for_signature.gsub(/[!~'()*]/) { |char| '%' + char.ord.to_s(16).upcase }, # Replace ! ~ * ' ( )
]
if %w[POST PATCH].include?(http_method)
message.push(body)
else
message.push('')
end
signature = URI.encode_www_form_component(Base64.encode64(
OpenSSL::HMAC.digest(OpenSSL::Digest.new('sha256'),
@app.env[:secret_key].to_s, message.join("\n"))
).strip.gsub(/\+/, '-').gsub(/\//, '_').gsub(/=+$/, ''))
"v2.#{signature}"
end
def variables_for_signature
unsorted_params = parameters(true)
sorted_keys = unsorted_params.sort_by {|k, v| k.to_s}
sorted_keys.map do |k, v|
if %w[meta ortt].include?(k.to_s)
encoded_value = URI.encode_www_form_component(v.to_json).gsub('+', '%20')
"#{k}=#{encoded_value}"
elsif %w[t state filter-expr sort filter].include?(k.to_s)
"#{k}=#{v}"
else
"#{k}=#{URI.encode_www_form_component(v.to_s).gsub('+', '%20')}"
end
end.join('&')
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems