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require 'base64'
module Rack
module OAuth2
module Util
class << self
def www_form_url_encode(text)
URI.encode_www_form_component(text)
end
def www_form_url_decode(text)
URI.decode_www_form_component(text)
end
def base64_encode(text)
Base64.encode64(text).delete("\n")
end
def urlsafe_base64_encode(text)
Base64.urlsafe_encode64(text, padding: false)
end
def compact_hash(hash)
hash.reject do |key, value|
value.blank?
end
end
def parse_uri(uri)
case uri
when URI::Generic
uri
when String
URI.parse(uri)
else
raise "Invalid format of URI is given."
end
end
def redirect_uri(base_uri, location, params)
redirect_uri = parse_uri base_uri
encoded_response_params = Util.compact_hash(params).to_query.gsub('+', '%20')
case location
when :query
redirect_uri.query = [redirect_uri.query, encoded_response_params].compact.join('&')
when :fragment
redirect_uri.fragment = encoded_response_params
end
redirect_uri.to_s
end
def uri_match?(base, given)
base = parse_uri(base)
given = parse_uri(given)
base.path = '/' if base.path.blank?
given.path = '/' if given.path.blank?
[:scheme, :host, :port].all? do |key|
base.send(key) == given.send(key)
end && !!(/^#{base.path}/ =~ given.path)
rescue
false
end
end
end
end
end
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