crypto.rb in fintecture-0.4.0

- old
+ new
@@ -1,75 +1,75 @@
-# frozen_string_literal: true
-
-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.new('SHA256')
-          private_key = OpenSSL::PKey::RSA.new(@client.private_key)
-
-          begin
-            signature = private_key.sign(digest, payload)
-            Base64.strict_encode64(signature)
-          rescue StandardError
-            raise Fintecture::CryptoException, 'error during signature'
-          end
-        end
-
-        def decrypt_private(digest)
-          digest = URI.unescape digest
-          encrypted_string = Base64.decode64(digest)
-          private_key = OpenSSL::PKey::RSA.new(@client.private_key)
-
-          begin
-            private_key.private_decrypt(encrypted_string, OpenSSL::PKey::RSA::PKCS1_OAEP_PADDING)
-          rescue OpenSSL::PKey::RSAError => e
-            raise Fintecture::CryptoException, "error while decrypt, #{e.message}"
-          rescue StandardError
-            raise Fintecture::CryptoException, '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, client)
-          @client = client
-          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=\"#{@client.app_id}\",algorithm=\"rsa-sha256\",headers=\"#{header.join(' ')}\",signature=\"#{signature}\""
-        end
-      end
-    end
-  end
-end
+# frozen_string_literal: true
+
+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.new('SHA256')
+          private_key = OpenSSL::PKey::RSA.new(@client.private_key)
+
+          begin
+            signature = private_key.sign(digest, payload)
+            Base64.strict_encode64(signature)
+          rescue StandardError
+            raise Fintecture::CryptoException, 'error during signature'
+          end
+        end
+
+        def decrypt_private(digest)
+          digest = URI.unescape digest
+          encrypted_string = Base64.decode64(digest)
+          private_key = OpenSSL::PKey::RSA.new(@client.private_key)
+
+          begin
+            private_key.private_decrypt(encrypted_string, OpenSSL::PKey::RSA::PKCS1_OAEP_PADDING)
+          rescue OpenSSL::PKey::RSAError => e
+            raise Fintecture::CryptoException, "error while decrypt, #{e.message}"
+          rescue StandardError
+            raise Fintecture::CryptoException, '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, client)
+          @client = client
+          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=\"#{@client.app_id}\",algorithm=\"rsa-sha256\",headers=\"#{header.join(' ')}\",signature=\"#{signature}\""
+        end
+      end
+    end
+  end
+end