diff options
Diffstat (limited to 'lib/omni_auth/strategies/jwt.rb')
| -rw-r--r-- | lib/omni_auth/strategies/jwt.rb | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/omni_auth/strategies/jwt.rb b/lib/omni_auth/strategies/jwt.rb index a792903fde7..2f3d477a591 100644 --- a/lib/omni_auth/strategies/jwt.rb +++ b/lib/omni_auth/strategies/jwt.rb @@ -1,6 +1,7 @@ # frozen_string_literal: true require 'omniauth' +require 'openssl' require 'jwt' module OmniAuth @@ -37,7 +38,19 @@ module OmniAuth end def decoded - @decoded ||= ::JWT.decode(request.params['jwt'], options.secret, options.algorithm).first + secret = + case options.algorithm + when *%w[RS256 RS384 RS512] + OpenSSL::PKey::RSA.new(options.secret).public_key + when *%w[ES256 ES384 ES512] + OpenSSL::PKey::EC.new(options.secret).tap { |key| key.private_key = nil } + when *%w(HS256 HS384 HS512) + options.secret + else + raise NotImplementedError, "Unsupported algorithm: #{options.algorithm}" + end + + @decoded ||= ::JWT.decode(request.params['jwt'], secret, true, { algorithm: options.algorithm }).first (options.required_claims || []).each do |field| raise ClaimInvalid, "Missing required '#{field}' claim" unless @decoded.key?(field.to_s) @@ -45,7 +58,7 @@ module OmniAuth raise ClaimInvalid, "Missing required 'iat' claim" if options.valid_within && !@decoded["iat"] - if options.valid_within && (Time.now.to_i - @decoded["iat"]).abs > options.valid_within + if options.valid_within && (Time.now.to_i - @decoded["iat"]).abs > options.valid_within.to_i raise ClaimInvalid, "'iat' timestamp claim is too skewed from present" end |