fix: jwt verfication, add: error mssg, docs:docker instllation

Signed-off-by: Akash Jaiswal <akashjaiswal3846@gmail.com>

Author: jaiakash

spring-boot-jwt/README.md

@@ -8,6 +8,7 @@ Before getting started, make sure you have the following installed:
 
 - Latest version of JDK
 - Install [Keploy](https://keploy.io/docs/server/installation/)
+- Install [Docker](https://docs.docker.com/engine/install/)
 - Postman for testing APIs
 
 ## Getting Started
@@ -66,14 +67,32 @@ The following API endpoints are available:
   }
   ```
 
+## Running with Docker
+
+To run the application with Docker, follow these steps:
+
+1. Build the Docker image:
+
+   ```bash
+   docker build -t spring-boot-jwt .
+   ```
+
+2. Run the Docker container:
+
+   ```bash
+   docker run -p 8080:8080 spring-boot-jwt
+   ```
+
+The application will be accessible at `http://localhost:8080`.
+
 ## Integration with Keploy
 
 #### RECORD Mode
 
 1. To run the application, run
 
-   ```
-   keploy run -c "./mvnw spring-boot:run" --delay 240
+   ```bash
+   keploy record -c "docker run -p 8080:8080 spring-boot-jwt"
    ```
 
 2. To generate testcases, you can make API calls using Postman or `curl`:
@@ -96,16 +115,12 @@ The following API endpoints are available:
   --header 'Authorization: Bearer <your_jwt_token_here>'
   ```
 
-  ```
-
-  ```
-
 #### TEST mode
 
 To test the application, start Keploy in test mode. In the root directory, run the following command:
 
 ```bash
-keploy test -c "./mvnw spring-boot:run" --delay 240
+keploy test -c "docker run -p 8080:8080 spring-boot-jwt" --delay 30
 ```
 
 This command will run the tests and generate the report in the `Keploy/reports` directory in the current working directory.

spring-boot-jwt/keploy.yml

@@ -0,0 +1,44 @@
+path: ""
+appId: 0
+appName: ""
+command: ./mvnw spring-boot:run
+port: 0
+dnsPort: 26789
+proxyPort: 16789
+debug: false
+disableTele: false
+disableANSI: false
+containerName: ""
+networkName: ""
+buildDelay: 30
+test:
+    selectedTests: {}
+    globalNoise:
+        global:
+            body: {"token": ["*"]}
+        test-sets: {}
+    delay: 5
+    apiTimeout: 5
+    skipCoverage: false
+    coverageReportPath: ""
+    ignoreOrdering: true
+    mongoPassword: default@123
+    language: ""
+    removeUnusedMocks: false
+    fallBackOnMiss: false
+    jacocoAgentPath: ""
+    basePath: ""
+    mocking: true
+    ignoredTests: {}
+record:
+    filters: []
+    recordTimer: 0s
+configPath: ""
+bypassRules: []
+generateGithubActions: true
+keployContainer: keploy-v2
+keployNetwork: keploy-network
+cmdType: native
+inCi: false
+
+# Visit [https://keploy.io/docs/running-keploy/configuration-file/] to learn about using keploy through configration file.

spring-boot-jwt/src/main/java/com/akash/springboot/jwt/JwtUtil.java

@@ -1,5 +1,6 @@
 package com.akash.springboot.jwt;
 
+import io.jsonwebtoken.ExpiredJwtException;
 import io.jsonwebtoken.Jwts;
 import io.jsonwebtoken.SignatureAlgorithm;
 import io.jsonwebtoken.SignatureException;
@@ -27,11 +28,17 @@ public String generateToken(String username) throws UnsupportedEncodingException
     public boolean validateToken(String token) {
         try {
             Jwts.parser().setSigningKey(SECRET_KEY).parseClaimsJws(token);
+            System.err.println("Valid");
             return true;
         } catch (SignatureException e) {
+            System.err.println("Signature Exception");
+            return false;
+        } catch (ExpiredJwtException e) {
+            System.err.println("ExpiredJwtException");
             return false;
         } catch (Exception e) {
+            System.err.println("Other Exception");
             return false;
         }
     }
-}
+}

spring-boot-jwt/src/main/java/com/akash/springboot/jwt/UserController.java

@@ -43,7 +43,8 @@ public ResponseEntity<?> login(@RequestBody Map<String, String> user) {
     }
 
     @PostMapping("/tokenVerification")
-    public ResponseEntity<?> tokenAuthentication(@RequestHeader("Authorization") String token) {
+    public ResponseEntity<?> tokenAuthentication(@RequestHeader("Authorization") String authorizationHeader) {
+        String token = authorizationHeader.replace("Bearer ", "");
         boolean isValid = jwtUtil.validateToken(token);
 
         Map<String, Boolean> response = new HashMap<>();