Credential

Generate keystore

keytool -genkey -alias linepay -keyalg RSA -keystore keystore.jks \
    -validity 3650 -storetype JKS \
    -dname "CN=Lance Li, OU=Lance, O=Lance, L=Taipei, ST=Taiwan, C=TW" \
    -keypass keypass1234 -storepass storepass1234

Encrypt store password

1. Encrypt key and keystore passwd

   java src/main/java/com/lance/util/AES.java keypass1234
   java src/main/java/com/lance/util/AES.java storepass1234

2. Put the text to .txt respective file under credential directory

LINE Pay

1. Create sandbox account to get channel id and channel secret key
   • https://pay.line.me/jp/developers/techsupport/sandbox/testflow?locale=en_US
2. Put channel id and channel secret key to application.yaml

Start application

./mvnw spring-boot:run

Make Request

1. Create request
   • Post https://localhost:8443/line-pay/request
   • Body

     {
         "amount": 40,
         "currency": "TWD",
         "orderId": "test_lance_10",
         "packages":
         [
             {
                 "id": "1",
                 "amount": 40,
                 "name": "TECH SHOP",
                 "products":
                 [
                     {
                         "id": "product_1",
                         "name": "USB 1T",
                         "quantity": 1,
                         "price": 40
                     }
                 ]
             }
         ],
         "redirectUrls":
         {
             "confirmUrl": "https://lance.requestcatcher.com/",
             "cancelUrl": "https://lance.requestcatcher.com/"
         }
     }

2. Pay the request by the response body paymentUrl
3. Confirm request
   • Post https://localhost:8443/line-pay/confirm
   • Body

      {
          "amount": 40,
          "currency": "TWD",
          "transactionId": "2022082500725250810"
      }

4. Refund request
   • Post https://localhost:8443/line-pay/refund
   • Body

      {
          "amount": 5,
          "transactionId": "2022082500725250810"
      }

5. Get request detail
   • Get https://localhost:8443/line-pay/payments?transactionId=2022082500725250810