crypto.rb in fintecture-0.2.1

- old
+ new
@@ -1,76 +1,78 @@
-require 'securerandom'
-require 'openssl'
-require 'base64'
-require 'json'
-require 'fintecture/exceptions'
-require 'fintecture/utils/constants'
-require 'uri'
-
-module Fintecture
-  module Utils
-    class Crypto
-      class << self
-
-        def generate_uuid
-          SecureRandom.uuid
-        end
-
-        def generate_uuid_only_chars
-          generate_uuid.gsub!('-','')
-        end
-
-        def sign_payload(payload)
-          payload = payload.to_json.to_s if payload.is_a? Hash
-
-          digest = OpenSSL::Digest::SHA256.new
-          private_key = OpenSSL::PKey::RSA.new(Fintecture.private_key)
-
-          begin
-            signature = private_key.sign(digest, payload)
-            Base64.strict_encode64(signature)
-          rescue
-            raise Fintecture::CryptoException.new('error during signature')
-          end
-        end
-
-        def decrypt_private(digest)
-          digest = URI.unescape digest
-          encrypted_string = Base64.decode64(digest)
-          private_key = OpenSSL::PKey::RSA.new(Fintecture.private_key)
-
-          begin
-            private_key.private_decrypt(encrypted_string, OpenSSL::PKey::RSA::PKCS1_OAEP_PADDING)
-          rescue OpenSSL::PKey::RSAError => e
-            raise Fintecture::CryptoException.new("error while decrypt, #{e.message}")
-          rescue
-            raise Fintecture::CryptoException.new('error during decryption')
-          end
-        end
-
-        def hash_base64(plain_text)
-          digest = Digest::SHA256.digest plain_text
-          Base64.strict_encode64(digest)
-        end
-
-        def create_signature_header(headers)
-          signing = []
-          header = []
-
-          Fintecture::Utils::Constants::SIGNEDHEADERPARAMETERLIST.each do |param|
-            next unless headers[param]
-
-            param_low = param.downcase
-            signing << "#{param_low}: #{headers[param]}"
-            header << param_low
-          end
-
-          # Double quote in join needed. If not we will get two slashes \\n
-          signature = sign_payload signing.join("\n")
-
-          'keyId="' + Fintecture.app_id + '",algorithm="rsa-sha256",headers="' + header.join(' ') + '",signature="' + signature + '"'
-        end
-
-      end
-    end
-  end
+require 'securerandom'
+require 'openssl'
+require 'base64'
+require 'json'
+require 'fintecture/exceptions'
+require 'fintecture/utils/constants'
+require 'uri'
+
+module Fintecture
+  module Utils
+    class Crypto
+      class << self
+
+        def generate_uuid
+          SecureRandom.uuid
+        end
+
+        def generate_uuid_only_chars
+          generate_uuid.gsub!('-','')
+        end
+
+        def sign_payload(payload)
+          payload = payload.to_json.to_s if payload.is_a? Hash
+          digest = OpenSSL::Digest::SHA256.new
+          private_key = OpenSSL::PKey::RSA.new(Fintecture.private_key)
+
+          begin
+            signature = private_key.sign(digest, payload)
+            Base64.strict_encode64(signature)
+          rescue
+            raise Fintecture::CryptoException.new('error during signature')
+          end
+        end
+
+        def decrypt_private(digest)
+          digest = URI.unescape digest
+          encrypted_string = Base64.decode64(digest)
+          private_key = OpenSSL::PKey::RSA.new(Fintecture.private_key)
+
+          begin
+            private_key.private_decrypt(encrypted_string, OpenSSL::PKey::RSA::PKCS1_OAEP_PADDING)
+          rescue OpenSSL::PKey::RSAError => e
+            raise Fintecture::CryptoException.new("error while decrypt, #{e.message}")
+          rescue
+            raise Fintecture::CryptoException.new('error during decryption')
+          end
+        end
+
+        def hash_base64(plain_text)
+          digest = Digest::SHA256.digest plain_text
+          Base64.strict_encode64(digest)
+        end
+
+        def create_signature_header(headers)
+          signing = []
+          header = []
+
+
+
+          Fintecture::Utils::Constants::SIGNEDHEADERPARAMETERLIST.each do |param|
+            next unless headers[param]
+
+            param_low = param.downcase
+            signing << "#{param_low}: #{headers[param]}"
+            header << param_low
+          end
+          
+
+          # Double quote in join needed. If not we will get two slashes \\n
+          signature = sign_payload signing.join("\n")
+          'keyId="' + Fintecture.app_id + '",algorithm="rsa-sha256",headers="' + header.join(' ') + '",signature="' + signature + '"'
+           
+        end
+
+      end
+    end
+  end
 end
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