jwt implementation changes #53
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WalkthroughThis pull request introduces a comprehensive JWT (JSON Web Token) authentication mechanism to the application. The changes span multiple files, including dependency additions in Changes
Sequence DiagramsequenceDiagram
participant Client
participant JwtUserIdValidationFilter
participant JwtAuthenticationUtil
participant JwtUtil
participant RedisTemplate
Client->>JwtUserIdValidationFilter: HTTP Request
JwtUserIdValidationFilter->>JwtAuthenticationUtil: Validate JWT Token
JwtAuthenticationUtil->>JwtUtil: Extract and Validate Token
JwtUtil-->>JwtAuthenticationUtil: Token Claims
JwtAuthenticationUtil->>RedisTemplate: Retrieve User
RedisTemplate-->>JwtAuthenticationUtil: User Data
JwtAuthenticationUtil-->>JwtUserIdValidationFilter: Validation Result
JwtUserIdValidationFilter-->>Client: Allow/Deny Request
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Actionable comments posted: 14
🧹 Outside diff range and nitpick comments (9)
src/main/java/com/wipro/fhir/utils/JwtUserIdValidationFilter.java (3)
39-49: Avoid logging sensitive information and unnecessary log levelsLogging cookies and headers may expose sensitive information. Also, using
infolevel for such logs may clutter the log files. Consider removing these logs or adjusting the log level.[security_issue]
Apply this diff to modify the logging:
- // Log cookies for debugging - Cookie[] cookies = request.getCookies(); - if (cookies != null) { - for (Cookie cookie : cookies) { - if ("userId".equals(cookie.getName())) { - logger.warn("userId found in cookies! Clearing it..."); - clearUserIdCookie(response); // Explicitly remove userId cookie - } - } - } else { - logger.info("No cookies found in the request"); - } + // Clear 'userId' cookie if present + clearUserIdCookie(response);
52-54: Remove empty log statementThere is a log statement that doesn't print the JWT token from the header. If intended to log the token, ensure it's done securely; otherwise, remove the unnecessary log.
Apply this diff to remove or correct the log:
- logger.info("JWT token from header: "); + // Securely log the presence of the JWT token without exposing it + if (jwtTokenFromHeader != null) { + logger.debug("JWT token found in header."); + }
71-74: Verify the token retrieval logicIf both
jwtTokenFromCookieandjwtTokenFromHeaderarenull, the error message may expose internal implementation details. Ensure that error responses are generic and do not reveal whether the token was missing from cookies or headers.[security_issue]
Apply this diff to return a generic error message:
- response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "JWT token not found in cookies or headers"); + response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized access.");src/main/java/com/wipro/fhir/utils/FilterConfig.java (1)
15-15: Ensure filter execution order if necessaryBy default, the order of filter execution is not defined. If the application has multiple filters, consider setting an
orderto ensure this filter executes at the correct point in the chain.Apply this diff to set the filter order:
registrationBean.addUrlPatterns("/*"); // Apply filter to all API endpoints + registrationBean.setOrder(1); // Set filter order if necessary return registrationBean;src/main/java/com/wipro/fhir/data/users/User.java (1)
68-73: Implement proper auditing using JPA EntityListenersThe current implementation manually manages audit fields. Consider using JPA's built-in auditing support.
Apply this improvement:
+ @EntityListeners(AuditingEntityListener.class) @Entity public class User { - @Column(name = "CreatedDate", insertable = false, updatable = false) + @CreatedDate private Timestamp createdDate; - @Column(name = "LastModDate", insertable = false, updatable = false) + @LastModifiedDate private Timestamp lastModDate; }src/main/java/com/wipro/fhir/utils/JwtUtil.java (1)
21-21: Make token expiration configurableThe expiration time is hardcoded to 24 hours. This should be configurable to support different environments and requirements.
Apply this improvement:
- private static final long EXPIRATION_TIME = 24 * 60 * 60 * 1000; // 1 day in milliseconds + @Value("${jwt.expiration:86400000}") // Default to 24 hours + private long expirationTime;src/main/environment/common_test.properties (1)
Line range hint
96-99: Security Advisory: Ensure comprehensive JWT implementation securityGiven the sensitive nature of ABDM integration and healthcare data, please ensure:
Token Security:
- Implement appropriate token expiration
- Use strong signing algorithms (preferably RS256)
- Include standard claims (iss, sub, exp, iat)
- Implement token revocation mechanism
Secret Management:
- Use different secrets per environment
- Implement secret rotation
- Monitor for secret exposure
- Use appropriate secret length (minimum 256 bits)
Implementation Considerations:
- Validate tokens on every request
- Implement rate limiting
- Add audit logging for JWT operations
- Consider using refresh tokens
Would you like assistance in implementing any of these security measures?
src/main/java/com/wipro/fhir/service/common/CommonServiceImpl.java (2)
654-670: Consider enhancing the getUserById implementation.While the implementation is functional, consider these improvements:
- Use Optional to handle null cases more elegantly
- Add @transactional if database operations need transaction management
-public User getUserById(Long userId) throws Exception { +@Transactional(readOnly = true) +public User getUserById(Long userId) throws Exception { try { - User user = userRepository.findByUserID(userId); - if (user == null) { - throw new Exception("User not found with ID: " + userId); - } - return user; + return userRepository.findByUserID(userId) + .orElseThrow(() -> new Exception("User not found with ID: " + userId)); } catch (Exception e) { logger.error("Error fetching user with ID: " + userId, e); throw new Exception("Error fetching user with ID: " + userId, e); } }
108-110: Remove commented-out code.These static fields appear to be unused. If they're no longer needed, they should be removed to maintain code cleanliness.
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📒 Files selected for processing (13)
pom.xml(5 hunks)src/main/environment/common_ci.properties(1 hunks)src/main/environment/common_dev.properties(1 hunks)src/main/environment/common_example.properties(1 hunks)src/main/environment/common_test.properties(1 hunks)src/main/java/com/wipro/fhir/data/users/User.java(1 hunks)src/main/java/com/wipro/fhir/repo/user/UserRepository.java(1 hunks)src/main/java/com/wipro/fhir/service/common/CommonServiceImpl.java(12 hunks)src/main/java/com/wipro/fhir/utils/CookieUtil.java(1 hunks)src/main/java/com/wipro/fhir/utils/FilterConfig.java(1 hunks)src/main/java/com/wipro/fhir/utils/JwtAuthenticationUtil.java(1 hunks)src/main/java/com/wipro/fhir/utils/JwtUserIdValidationFilter.java(1 hunks)src/main/java/com/wipro/fhir/utils/JwtUtil.java(1 hunks)
🔇 Additional comments (7)
src/main/java/com/wipro/fhir/utils/JwtUserIdValidationFilter.java (1)
68-69: Avoid logging JWT tokens
Logging JWT tokens can lead to security vulnerabilities if logs are accessed by unauthorized users. Refrain from logging sensitive tokens.
[security_issue]
Apply this diff to remove sensitive logging:
- logger.info("JWT token from cookie: ");
+ // Optionally log that a token was found without revealing it
+ if (jwtTokenFromCookie != null) {
+ logger.debug("JWT token retrieved from cookie.");
+ }src/main/java/com/wipro/fhir/utils/CookieUtil.java (1)
15-25: LGTM! Well-implemented cookie retrieval method
Good use of Optional for null safety and proper null checking.
src/main/environment/common_ci.properties (1)
99-99: Document JWT secret requirements and ensure secure implementation
While using environment variables for JWT secrets is good practice, please consider:
- Document the required format and minimum requirements for the JWT secret (length, complexity)
- Ensure different secrets are used across environments
- Consider implementing secret rotation mechanism
src/main/environment/common_dev.properties (1)
96-96: Ensure secure JWT secret key configuration.
While using a placeholder is good practice, consider the following security recommendations:
- The actual JWT secret should be at least 256 bits (32 characters) long
- Use a strong random value generator for production deployments
- Document the process of setting up the secret in different environments
pom.xml (1)
236-255: LGTM! Well-structured JWT dependencies.
The JWT dependencies are properly configured:
- Using latest stable version (0.12.6)
- Correct runtime scope for implementation dependencies
- Consistent versioning across all JWT-related dependencies
src/main/java/com/wipro/fhir/service/common/CommonServiceImpl.java (2)
68-68: LGTM! Clean import organization.
The imports for User entity and UserRepository are properly organized.
Also applies to: 76-76
203-207: LGTM! Clear error messages.
The error messages are descriptive and provide useful information for debugging.
| @Autowired | ||
| private CookieUtil cookieUtil; | ||
| @Autowired | ||
| private JwtUtil jwtUtil; |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Consolidate dependency injection to use constructor-based injection
Currently, both field injection (@Autowired on fields) and constructor injection are being used for CookieUtil and JwtUtil. It's recommended to choose one method for consistency and to avoid redundancy. Prefer constructor-based injection for better testability and immutability.
Apply this diff to consolidate the injections:
- @Autowired
- private CookieUtil cookieUtil;
- @Autowired
- private JwtUtil jwtUtil;
+ private final CookieUtil cookieUtil;
+ private final JwtUtil jwtUtil;
private final Logger logger = LoggerFactory.getLogger(this.getClass().getName());
- @Autowired
private CommonServiceImpl commonServiceImpl;
public JwtAuthenticationUtil(CookieUtil cookieUtil, JwtUtil jwtUtil, CommonServiceImpl commonServiceImpl) {
this.cookieUtil = cookieUtil;
this.jwtUtil = jwtUtil;
+ this.commonServiceImpl = commonServiceImpl;
}Also applies to: 30-33
| Claims claims = jwtUtil.validateToken(jwtToken); | ||
| if (claims == null) { | ||
| return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("Error 401: Unauthorized - Invalid JWT Token!"); | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Avoid returning detailed error messages to the client
Returning specific error messages such as "Invalid JWT Token!" may expose sensitive information. Consider returning a generic error message and logging the details internally.
[security_issue]
Apply this diff to return generic messages:
- return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("Error 401: Unauthorized - Invalid JWT Token!");
+ return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("Unauthorized access.");📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| Claims claims = jwtUtil.validateToken(jwtToken); | |
| if (claims == null) { | |
| return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("Error 401: Unauthorized - Invalid JWT Token!"); | |
| } | |
| Claims claims = jwtUtil.validateToken(jwtToken); | |
| if (claims == null) { | |
| return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("Unauthorized access."); | |
| } |
| public boolean validateUserIdAndJwtToken(String jwtToken) throws Exception { | ||
| try { | ||
| // Validate JWT token and extract claims | ||
| Claims claims = jwtUtil.validateToken(jwtToken); | ||
|
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| if (claims == null) { | ||
| throw new Exception("Invalid JWT token."); | ||
| } | ||
|
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| String userId = claims.get("userId", String.class); | ||
| String tokenUsername = jwtUtil.extractUsername(jwtToken); | ||
|
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| // Fetch user based on userId from the database or cache | ||
| User user = commonServiceImpl.getUserById(Long.parseLong(userId)); | ||
| if (user == null) { | ||
| throw new Exception("Invalid User ID."); | ||
| } | ||
|
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| // Check if the token's username matches the user retrieved by userId | ||
| if (!user.getUserName().equalsIgnoreCase(tokenUsername)) { | ||
| throw new Exception("JWT token and User ID mismatch."); | ||
| } | ||
|
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| return true; // Valid userId and JWT token | ||
| } catch (Exception e) { | ||
| logger.error("Validation failed: " + e.getMessage(), e); | ||
| throw new Exception("Validation error: " + e.getMessage(), e); | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Handle specific exceptions instead of generic Exception
Catching and throwing generic Exception can make debugging difficult and may hide underlying issues. It's better to catch specific exceptions and handle them appropriately.
Apply this diff to handle specific exceptions:
public boolean validateUserIdAndJwtToken(String jwtToken) throws Exception {
- try {
// Validate JWT token and extract claims
Claims claims = jwtUtil.validateToken(jwtToken);
if (claims == null) {
- throw new Exception("Invalid JWT token.");
+ logger.error("Invalid JWT token.");
+ return false;
}
String userId = claims.get("userId", String.class);
String tokenUsername = jwtUtil.extractUsername(jwtToken);
// Fetch user based on userId from the database or cache
User user = commonServiceImpl.getUserById(Long.parseLong(userId));
if (user == null) {
- throw new Exception("Invalid User ID.");
+ logger.error("Invalid User ID.");
+ return false;
}
// Check if the token's username matches the user retrieved by userId
if (!user.getUserName().equalsIgnoreCase(tokenUsername)) {
- throw new Exception("JWT token and User ID mismatch.");
+ logger.error("JWT token and User ID mismatch.");
+ return false;
}
return true; // Valid userId and JWT token
- } catch (Exception e) {
- logger.error("Validation failed: " + e.getMessage(), e);
- throw new Exception("Validation error: " + e.getMessage(), e);
- }
}Committable suggestion skipped: line range outside the PR's diff.
| String userId = claims.get("userId", String.class); | ||
| String tokenUsername = jwtUtil.extractUsername(jwtToken); | ||
|
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| // Fetch user based on userId from the database or cache | ||
| User user = commonServiceImpl.getUserById(Long.parseLong(userId)); |
There was a problem hiding this comment.
Check for missing or invalid userId claim
When extracting the userId from the token claims, ensure that the userId exists and handle cases where it's missing or invalid to prevent NullPointerException or NumberFormatException.
Apply this diff to add the necessary checks:
String userId = claims.get("userId", String.class);
+ if (userId == null || userId.isEmpty()) {
+ logger.error("User ID claim is missing in the token.");
+ return false;
+ }
String tokenUsername = jwtUtil.extractUsername(jwtToken);Committable suggestion skipped: line range outside the PR's diff.
|
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| public interface UserRepository extends CrudRepository<User, Long> { | ||
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| User findByUserID(Long userID); |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Use standard naming conventions for repository methods
Spring Data JPA uses naming conventions for query methods. The User entity may have a field named userId, but the method is named findByUserID. Ensure that the field name matches the method name in case sensitivity and camel case.
Apply this diff to correct the method name:
- User findByUserID(Long userID);
+ User findByUserId(Long userId);📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| User findByUserID(Long userID); | |
| User findByUserId(Long userId); |
| // Validate and parse JWT Token | ||
| public Claims validateToken(String token) { | ||
| try { | ||
| // Use the JwtParserBuilder correctly in version 0.12.6 | ||
| return Jwts.parser() // Correct method in 0.12.6 to get JwtParserBuilder | ||
| .setSigningKey(getSigningKey()) // Set the signing key | ||
| .build() // Build the JwtParser | ||
| .parseClaimsJws(token) // Parse and validate the token | ||
| .getBody(); | ||
| } catch (Exception e) { | ||
| return null; // Handle token parsing/validation errors | ||
| } | ||
| } |
There was a problem hiding this comment.
Improve token validation and error handling
The current implementation swallows all exceptions and returns null, making it difficult to handle specific error cases.
Apply this improvement:
+ public enum TokenValidationResult {
+ VALID, EXPIRED, INVALID_SIGNATURE, MALFORMED
+ }
+
- public Claims validateToken(String token) {
+ public TokenValidationResult validateToken(String token) {
try {
- // Use the JwtParserBuilder correctly in version 0.12.6
- return Jwts.parser()
+ Jwts.parser()
.setSigningKey(getSigningKey())
.build()
- .parseClaimsJws(token)
- .getBody();
+ .parseClaimsJws(token);
+ return TokenValidationResult.VALID;
} catch (ExpiredJwtException e) {
- return null;
+ return TokenValidationResult.EXPIRED;
+ } catch (SignatureException e) {
+ return TokenValidationResult.INVALID_SIGNATURE;
} catch (Exception e) {
- return null;
+ return TokenValidationResult.MALFORMED;
}
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| // Validate and parse JWT Token | |
| public Claims validateToken(String token) { | |
| try { | |
| // Use the JwtParserBuilder correctly in version 0.12.6 | |
| return Jwts.parser() // Correct method in 0.12.6 to get JwtParserBuilder | |
| .setSigningKey(getSigningKey()) // Set the signing key | |
| .build() // Build the JwtParser | |
| .parseClaimsJws(token) // Parse and validate the token | |
| .getBody(); | |
| } catch (Exception e) { | |
| return null; // Handle token parsing/validation errors | |
| } | |
| } | |
| public enum TokenValidationResult { | |
| VALID, EXPIRED, INVALID_SIGNATURE, MALFORMED | |
| } | |
| public TokenValidationResult validateToken(String token) { | |
| try { | |
| Jwts.parser() | |
| .setSigningKey(getSigningKey()) | |
| .build() | |
| .parseClaimsJws(token); | |
| return TokenValidationResult.VALID; | |
| } catch (ExpiredJwtException e) { | |
| return TokenValidationResult.EXPIRED; | |
| } catch (SignatureException e) { | |
| return TokenValidationResult.INVALID_SIGNATURE; | |
| } catch (Exception e) { | |
| return TokenValidationResult.MALFORMED; | |
| } | |
| } |
| @Value("${jwt.secret}") | ||
| private String SECRET_KEY; | ||
|
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| private static final long EXPIRATION_TIME = 24 * 60 * 60 * 1000; // 1 day in milliseconds | ||
|
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| // Generate a key using the secret | ||
| private Key getSigningKey() { | ||
| if (SECRET_KEY == null || SECRET_KEY.isEmpty()) { | ||
| throw new IllegalStateException("JWT secret key is not set in application.properties"); | ||
| } | ||
| return Keys.hmacShaKeyFor(SECRET_KEY.getBytes()); | ||
| } |
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Strengthen secret key handling
The current implementation has several security concerns:
- Raw bytes from string used as key
- No minimum length validation
- No key rotation support
Apply these security improvements:
+ @Value("${jwt.secret.min.length:32}")
+ private int minSecretLength;
+
private Key getSigningKey() {
if (SECRET_KEY == null || SECRET_KEY.isEmpty()) {
throw new IllegalStateException("JWT secret key is not set in application.properties");
}
+ if (SECRET_KEY.length() < minSecretLength) {
+ throw new IllegalStateException("JWT secret key must be at least " + minSecretLength + " characters long");
+ }
- return Keys.hmacShaKeyFor(SECRET_KEY.getBytes());
+ // Use SHA-256 to derive a proper-length key
+ return Keys.hmacShaKeyFor(
+ MessageDigest.getInstance("SHA-256").digest(SECRET_KEY.getBytes())
+ );
}Committable suggestion skipped: line range outside the PR's diff.
| private Claims extractAllClaims(String token) { | ||
| return Jwts.parser().setSigningKey(getSigningKey()).build().parseClaimsJws(token).getBody(); | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Remove duplicate code and add proper error handling
The extractAllClaims method duplicates code from validateToken and lacks proper error handling.
Apply this improvement:
private Claims extractAllClaims(String token) {
- return Jwts.parser().setSigningKey(getSigningKey()).build().parseClaimsJws(token).getBody();
+ try {
+ return Jwts.parser()
+ .setSigningKey(getSigningKey())
+ .build()
+ .parseClaimsJws(token)
+ .getBody();
+ } catch (Exception e) {
+ throw new JwtException("Failed to extract claims from token", e);
+ }
}Committable suggestion skipped: line range outside the PR's diff.
| @@ -93,3 +93,4 @@ logging.level.org.springframework.web=INFO | |||
| logging.level.org.hibernate=INFO | |||
| logging.level.com.iemr=DEBUG | |||
| logging.level.org.springframework=INFO | |||
| jwt.secret=@JWT_SECRET_KEY@ | |||
There was a problem hiding this comment.
🛠️ Refactor suggestion
Improve example property documentation and security
- Add an example format for the JWT secret (e.g.,
jwt.secret=<Enter a strong secret key with minimum 32 characters>) - Consider replacing actual ABDM URLs with placeholders in the example file
- Add a comment explaining the JWT secret's purpose and requirements
-jwt.secret=@JWT_SECRET_KEY@
+# JWT secret key used for token signing and verification
+# Required: Minimum 32 characters, mix of letters, numbers, and special characters
+jwt.secret=<Enter your JWT secret key here>📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| jwt.secret=@JWT_SECRET_KEY@ | |
| # JWT secret key used for token signing and verification | |
| # Required: Minimum 32 characters, mix of letters, numbers, and special characters | |
| jwt.secret=<Enter your JWT secret key here> |
| @@ -93,3 +93,4 @@ logging.level.org.springframework.web=INFO | |||
| logging.level.org.hibernate=INFO | |||
| logging.level.com.iemr=DEBUG | |||
| logging.level.org.springframework=INFO | |||
| jwt.secret=@JWT_SECRET_KEY@ | |||
There was a problem hiding this comment.
💡 Codebase verification
Review concerns about test environment JWT configuration are valid
Based on the verification results:
- All environments (test, dev, ci, example) use the same JWT secret placeholder
@JWT_SECRET_KEY@, which is a security concern - The JwtUtil class has validation for empty/null secrets but no environment-specific validation
- No dedicated test configuration or test-specific JWT handling was found
Recommendations:
- Use a different placeholder for test JWT secret (e.g.,
@TEST_JWT_SECRET_KEY@) - Add environment validation in JwtUtil to prevent production secrets in test
- Implement separate test-specific JWT configuration properties
🔗 Analysis chain
Enhance test environment security configuration
For the test environment:
- Ensure a test-specific JWT secret is used
- Consider implementing configuration validation to prevent production secrets in test
- Add appropriate test-specific logging for JWT operations
Let me gather more information about JWT configuration across different environments to verify the concern.
Let me check the content of these JWT-related files and properties to better understand the configuration and validation mechanisms.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check for JWT configuration validation
echo "Checking for JWT configuration validation..."
rg -l "JwtConfig.*validate|validateJwtConfig" || echo "No JWT configuration validation found"
# Look for JWT-related test files
echo "Checking for JWT-related tests..."
fd -e java -e kt -e groovy --full-path ".*[Tt]est.*" | rg "JWT|[Jj]wt" || echo "No JWT-related test files found"
Length of output: 454
Script:
#!/bin/bash
# Check JWT configuration across different environments
echo "Checking JWT configuration across environments..."
rg "jwt\.secret" --type properties
# Look for JWT-related configuration classes and security setup
echo "Checking JWT-related configuration classes..."
rg -l "class.*[Jj]wt"
# Check for any JWT token generation or validation logic
echo "Looking for JWT token handling..."
ast-grep --pattern 'class $_ {
$$$
$_(JWT|[Jj]wt)$_ {
$$$
}
$$$
}'
Length of output: 639
Script:
#!/bin/bash
# Check JWT utility class implementations
echo "Checking JWT utility implementations..."
rg -A 10 "class JwtUtil" src/main/java/com/wipro/fhir/utils/JwtUtil.java
# Check JWT filter implementation
echo "Checking JWT filter implementation..."
rg -A 10 "class JwtUserIdValidationFilter" src/main/java/com/wipro/fhir/utils/JwtUserIdValidationFilter.java
# Check properties files for JWT configuration
echo "Checking properties files for JWT configuration..."
fd -e properties | xargs rg "jwt"
Length of output: 1637
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Actionable comments posted: 6
🧹 Outside diff range and nitpick comments (4)
src/main/java/com/wipro/fhir/utils/JwtUtil.java (1)
21-21: Make token expiration time configurableCurrently, the token expiration time is hard-coded to 1 day. Consider making the expiration time configurable via application properties to allow flexibility across different environments and requirements.
Apply this change:
- private static final long EXPIRATION_TIME = 24L * 60 * 60 * 1000; // 1 day in milliseconds + @Value("${jwt.expiration.time:86400000}") // Defaults to 1 day if not set + private long EXPIRATION_TIME; // Token expiration time in millisecondssrc/main/java/com/wipro/fhir/utils/JwtUserIdValidationFilter.java (3)
72-73: Standardize unauthorized responses for better security.Currently, the responses for missing tokens and invalid tokens differ. To prevent potential attackers from distinguishing between these scenarios, it's advisable to return a generic unauthorized response in both cases.
Apply this diff to standardize the unauthorized responses:
if (jwtToken == null) { - response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "JWT token not found in cookies or headers"); + response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized"); return; } ... } else { - response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Invalid JWT token"); + response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized"); }Also applies to: 83-84
38-49: Optimize cookie handling by removing unnecessary logging.Logging all cookies can lead to performance overhead and potential security concerns. Instead, directly check for the presence of the
"userId"cookie without logging all cookies.Apply this diff to optimize cookie handling:
-// Log cookies for debugging Cookie[] cookies = request.getCookies(); if (cookies != null) { for (Cookie cookie : cookies) { if ("userId".equals(cookie.getName())) { logger.warn("userId found in cookies! Clearing it..."); clearUserIdCookie(response); // Explicitly remove userId cookie + break; // Exit loop after handling the userId cookie } - } -} else { - logger.info("No cookies found in the request"); }
56-63: Consider using antMatchers for URL pattern matching.Manually checking the request path to skip certain endpoints can be error-prone and hard to maintain. Using Spring Security's
antMatcherscan provide a more robust and flexible way to define URL patterns.Consider refactoring to use
antMatchersin your security configuration to handle endpoint exclusions.
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📒 Files selected for processing (10)
src/main/environment/common_ci.properties(1 hunks)src/main/environment/common_dev.properties(1 hunks)src/main/environment/common_example.properties(1 hunks)src/main/environment/common_test.properties(1 hunks)src/main/java/com/wipro/fhir/data/users/User.java(1 hunks)src/main/java/com/wipro/fhir/service/common/CommonServiceImpl.java(11 hunks)src/main/java/com/wipro/fhir/utils/CookieUtil.java(1 hunks)src/main/java/com/wipro/fhir/utils/JwtAuthenticationUtil.java(1 hunks)src/main/java/com/wipro/fhir/utils/JwtUserIdValidationFilter.java(1 hunks)src/main/java/com/wipro/fhir/utils/JwtUtil.java(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (7)
- src/main/environment/common_example.properties
- src/main/environment/common_test.properties
- src/main/environment/common_dev.properties
- src/main/environment/common_ci.properties
- src/main/java/com/wipro/fhir/data/users/User.java
- src/main/java/com/wipro/fhir/utils/CookieUtil.java
- src/main/java/com/wipro/fhir/service/common/CommonServiceImpl.java
🔇 Additional comments (8)
src/main/java/com/wipro/fhir/utils/JwtUtil.java (3)
24-29: Strengthen secret key handling
This issue was previously flagged. Please refer to the previous review comment regarding security concerns with using raw bytes from SECRET_KEY and recommendations to improve key handling.
43-54: Improve token validation and error handling
This issue was previously flagged. The current implementation catches all exceptions and returns null, which can make error handling difficult. It's recommended to handle specific exceptions and provide meaningful feedback.
65-67: Remove duplicate code and add proper error handling
This issue was previously flagged. The extractAllClaims method duplicates code from validateToken and lacks proper error handling. Consider refactoring to eliminate duplication and handle exceptions appropriately.
src/main/java/com/wipro/fhir/utils/JwtAuthenticationUtil.java (4)
21-24: Consolidate dependency injection to use constructor-based injection
Currently, the class mixes field injection (@Autowired on fields) and constructor injection for dependencies. For consistency and better testability, it's recommended to use constructor-based injection for all dependencies.
Apply this diff to consolidate the injections:
- @Autowired
- private CookieUtil cookieUtil;
- @Autowired
- private JwtUtil jwtUtil;
private final Logger logger = LoggerFactory.getLogger(this.getClass().getName());
- @Autowired
private CommonServiceImpl commonServiceImpl;
public JwtAuthenticationUtil(CookieUtil cookieUtil, JwtUtil jwtUtil, CommonServiceImpl commonServiceImpl) {
this.cookieUtil = cookieUtil;
this.jwtUtil = jwtUtil;
+ this.commonServiceImpl = commonServiceImpl;
}Also applies to: 27-28, 30-33
46-49: Avoid returning detailed error messages to the client
Returning specific error messages such as "Error 401: Unauthorized - Invalid JWT Token!" may expose sensitive information. Consider returning a generic error message and logging the details internally.
Apply this diff to return generic messages:
if (claims == null) {
- return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("Error 401: Unauthorized - Invalid JWT Token!");
+ logger.error("Invalid JWT Token.");
+ return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("Unauthorized access.");
}62-83: Handle specific exceptions instead of generic Exception
Catching and throwing a generic Exception can make debugging difficult and may obscure underlying issues. It's better to catch specific exceptions and handle them appropriately.
Apply this diff to handle specific exceptions:
- public boolean validateUserIdAndJwtToken(String jwtToken) throws Exception {
+ public boolean validateUserIdAndJwtToken(String jwtToken) {
try {
// Validate JWT token and extract claims
Claims claims = jwtUtil.validateToken(jwtToken);
if (claims == null) {
- throw new Exception("Invalid JWT token.");
+ logger.error("Invalid JWT token.");
+ return false;
}
String userId = claims.get("userId", String.class);
+ if (userId == null || userId.isEmpty()) {
+ logger.error("User ID claim is missing in the token.");
+ return false;
+ }
+
+ Long userIdLong;
+ try {
+ userIdLong = Long.parseLong(userId);
+ } catch (NumberFormatException e) {
+ logger.error("User ID is not a valid number.");
+ return false;
+ }
// Fetch user based on userId from the database or cache
- User user = commonServiceImpl.getUserById(Long.parseLong(userId));
+ User user = commonServiceImpl.getUserById(userIdLong);
if (user == null) {
- throw new Exception("Invalid User ID.");
+ logger.error("Invalid User ID.");
+ return false;
}
return true; // Valid userId and JWT token
} catch (Exception e) {
logger.error("Validation failed: " + e.getMessage(), e);
- throw new Exception("Validation error: " + e.getMessage(), e);
+ return false;
}
}71-74:
Check for missing or invalid userId claim
When extracting the userId from the token claims, ensure that it exists and is a valid number to prevent NullPointerException or NumberFormatException. This will enhance the robustness of your token validation.
Apply this diff to add necessary checks:
String userId = claims.get("userId", String.class);
+ if (userId == null || userId.isEmpty()) {
+ logger.error("User ID claim is missing in the token.");
+ return false;
+ }
+ Long userIdLong;
+ try {
+ userIdLong = Long.parseLong(userId);
+ } catch (NumberFormatException e) {
+ logger.error("User ID is not a valid number.");
+ return false;
+ }
// Fetch user based on userId from the database or cache
- User user = commonServiceImpl.getUserById(Long.parseLong(userId));
+ User user = commonServiceImpl.getUserById(userIdLong);Likely invalid or redundant comment.
src/main/java/com/wipro/fhir/utils/JwtUserIdValidationFilter.java (1)
104-110: Ensure cookie attributes align with security best practices.
When clearing the "userId" cookie, ensure that the attributes match those used when the cookie was set. If the original cookie has specific domain or path attributes, they should be mirrored here to guarantee the cookie is properly invalidated.
Run the following script to check the attributes of the "userId" cookie when it is set:
✅ Verification successful
Let me search for more context around these cookie operations to understand how the cookie is initially set.
Let me check for any authentication or login-related code that might set the userId cookie initially.
Let me try one final search to find any JWT or authentication-related configuration that might set this cookie.
Cookie clearing implementation appears to be secure and complete
Based on the codebase analysis, the current implementation of clearing the "userId" cookie is appropriate and follows security best practices:
- The code sets essential security attributes:
HttpOnly,Secure, and correctPath - The cookie is properly invalidated with
MaxAge=0 - There's no evidence of domain-specific cookie settings in the initial cookie creation
- The cookie appears to be used only for JWT user ID validation and is cleared as a security measure
The implementation aligns with the standard approach for secure cookie invalidation.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Find where the "userId" cookie is set to verify its attributes.
# Search for the "userId" cookie creation in the codebase
rg 'new Cookie\("userId",'
# Alternatively, search for all places where "userId" is used in cookie operations
rg '"userId"'
Length of output: 638
Script:
#!/bin/bash
# Get more context around the userId cookie usage in JwtUserIdValidationFilter.java
rg -A 5 -B 5 '"userId"' src/main/java/com/wipro/fhir/utils/JwtUserIdValidationFilter.java
# Also check for any cookie setting operations in the codebase
ast-grep --pattern 'new Cookie($name, $value)'
Length of output: 763
Script:
#!/bin/bash
# Search for authentication/login related files
fd -e java auth login -X cat
# Search for cookie setting in response objects
rg -B 3 -A 3 'response.*addCookie'
Length of output: 693
Script:
#!/bin/bash
# Look for authentication configuration files
fd -e java config auth security jwt -X cat
# Search for cookie configuration in properties files
fd -e properties -e yml -e yaml | xargs rg -i 'cookie|session'
Length of output: 892
| return Jwts.parser() // Correct method in 0.12.6 to get JwtParserBuilder | ||
| .setSigningKey(getSigningKey()) // Set the signing key | ||
| .build() // Build the JwtParser | ||
| .parseClaimsJws(token) // Parse and validate the token | ||
| .getBody(); |
There was a problem hiding this comment.
Use Jwts.parserBuilder() instead of deprecated Jwts.parser()
In version 0.12.6 of the JJWT library, Jwts.parser() is deprecated. You should use Jwts.parserBuilder() to obtain a JwtParserBuilder.
Apply this diff to correct the method usage:
- return Jwts.parser() // Correct method in 0.12.6 to get JwtParserBuilder
+ return Jwts.parserBuilder() // Correct method in 0.12.6 to get JwtParserBuilder
.setSigningKey(getSigningKey()) // Set the signing key
.build() // Build the JwtParser
.parseClaimsJws(token) // Parse and validate the token
.getBody();📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| return Jwts.parser() // Correct method in 0.12.6 to get JwtParserBuilder | |
| .setSigningKey(getSigningKey()) // Set the signing key | |
| .build() // Build the JwtParser | |
| .parseClaimsJws(token) // Parse and validate the token | |
| .getBody(); | |
| return Jwts.parserBuilder() // Correct method in 0.12.6 to get JwtParserBuilder | |
| .setSigningKey(getSigningKey()) // Set the signing key | |
| .build() // Build the JwtParser | |
| .parseClaimsJws(token) // Parse and validate the token | |
| .getBody(); |
| } | ||
|
|
||
| private Claims extractAllClaims(String token) { | ||
| return Jwts.parser().setSigningKey(getSigningKey()).build().parseClaimsJws(token).getBody(); |
There was a problem hiding this comment.
Use Jwts.parserBuilder() instead of deprecated Jwts.parser()
Same as above, the extractAllClaims method should use Jwts.parserBuilder() to avoid using deprecated methods.
Apply this diff:
- return Jwts.parser().setSigningKey(getSigningKey()).build().parseClaimsJws(token).getBody();
+ return Jwts.parserBuilder().setSigningKey(getSigningKey()).build().parseClaimsJws(token).getBody();📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| return Jwts.parser().setSigningKey(getSigningKey()).build().parseClaimsJws(token).getBody(); | |
| return Jwts.parserBuilder().setSigningKey(getSigningKey()).build().parseClaimsJws(token).getBody(); |
| logger.error("Authorization error: ", e); | ||
| response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Authorization error: " + e.getMessage()); | ||
| } |
There was a problem hiding this comment.
Avoid exposing exception details in the HTTP response.
Returning the exception message to the client can leak sensitive information and pose a security risk. It's better to send a generic error message to the client while logging the exception details on the server.
Apply this diff to modify the error response:
} catch (Exception e) {
logger.error("Authorization error: ", e);
- response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Authorization error: " + e.getMessage());
+ response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Authorization error");
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| logger.error("Authorization error: ", e); | |
| response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Authorization error: " + e.getMessage()); | |
| } | |
| logger.error("Authorization error: ", e); | |
| response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Authorization error"); | |
| } |
| logger.info("JWT token from header: "); | ||
|
|
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🛠️ Refactor suggestion
Remove unnecessary log statement to avoid confusion.
The log statement at line 53 outputs "JWT token from header: " without additional information. Since logging sensitive data like JWT tokens is a security risk and the message doesn't add value, consider removing this log statement to keep the logs clean.
Apply this diff to remove the unnecessary log statement:
String jwtTokenFromHeader = request.getHeader("Jwttoken");
-logger.info("JWT token from header: ");| logger.info("JWT token from cookie: "); | ||
|
|
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🛠️ Refactor suggestion
Remove unnecessary log statement to avoid confusion.
Similarly, the log statement at line 68 outputs "JWT token from cookie: " without further details. As logging sensitive information is not recommended and the message doesn't provide value, it's better to remove this log statement.
Apply this diff to remove the unnecessary log statement:
String jwtTokenFromCookie = getJwtTokenFromCookies(request);
-logger.info("JWT token from cookie: ");| private final JwtAuthenticationUtil jwtAuthenticationUtil; | ||
| private final Logger logger = LoggerFactory.getLogger(this.getClass().getName()); | ||
|
|
||
| public JwtUserIdValidationFilter(JwtAuthenticationUtil jwtAuthenticationUtil) { | ||
| this.jwtAuthenticationUtil = jwtAuthenticationUtil; | ||
| } |
There was a problem hiding this comment.
Ensure dependency injection is properly annotated.
The constructor for JwtUserIdValidationFilter accepts JwtAuthenticationUtil but doesn't use appropriate annotations for dependency injection. Ensure that Spring can inject this dependency correctly.
Apply this diff to annotate the constructor parameter:
public JwtUserIdValidationFilter(JwtAuthenticationUtil jwtAuthenticationUtil) {
this.jwtAuthenticationUtil = jwtAuthenticationUtil;
}Alternatively, if using field injection:
+@Autowired
private final JwtAuthenticationUtil jwtAuthenticationUtil;Committable suggestion skipped: line range outside the PR's diff.
There was a problem hiding this comment.
Actionable comments posted: 2
🧹 Nitpick comments (2)
src/main/java/com/wipro/fhir/data/users/User.java (2)
21-22: Improve soft delete implementationThe current soft delete implementation with
insertable = falsemight lead to inconsistencies. Consider using Hibernate's built-in soft delete support.-@Column(name = "Deleted", insertable = false, updatable = true) -private Boolean deleted; +@SQLDelete(sql = "UPDATE m_user SET deleted = true WHERE user_id = ?") +@Where(clause = "deleted = false") +@Column(name = "deleted", nullable = false) +private Boolean deleted = false;
1-23: Consider enhancing security architectureAs this entity is crucial for JWT authentication, consider these architectural improvements:
- Implement audit fields (created_at, updated_at, last_login)
- Add version control for optimistic locking
- Consider separating authentication-specific fields into a different table
- Implement password complexity validation using Bean Validation
Example audit fields implementation:
@EntityListeners(AuditingEntityListener.class) public class User { // ... existing fields ... @CreatedDate @Column(name = "created_at", updatable = false) private LocalDateTime createdAt; @LastModifiedDate @Column(name = "updated_at") private LocalDateTime updatedAt; @Version private Long version; }
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src/main/java/com/wipro/fhir/data/users/User.java(1 hunks)
🔇 Additional comments (1)
src/main/java/com/wipro/fhir/data/users/User.java (1)
15-22:
Add essential fields for user authentication
For JWT authentication, the entity seems to be missing essential fields such as password (hashed), email, account status, etc.
Let's verify if these fields exist in the database schema:
Consider adding these fields:
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "UserID")
private Long userID;
@Column(name = "userName")
private String userName;
+@Column(name = "password_hash", nullable = false)
+private String passwordHash;
+@Column(name = "email", unique = true)
+private String email;
+@Column(name = "account_status")
+@Enumerated(EnumType.STRING)
+private AccountStatus status;
@Column(name = "Deleted", insertable = false, updatable = true)
private Boolean deleted;| @Data | ||
| public class User { |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Replace @DaTa with more specific Lombok annotations
Since this is a security-sensitive entity used for JWT authentication, using @Data might expose sensitive information through generated toString() method in logs. Consider using a combination of more specific annotations:
-@Data
+@Getter
+@Setter
+@EqualsAndHashCode(of = "userID")
+@ToString(exclude = {"userName"})
public class User {📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| @Data | |
| public class User { | |
| @Getter | |
| @Setter | |
| @EqualsAndHashCode(of = "userID") | |
| @ToString(exclude = {"userName"}) | |
| public class User { |
| @Column(name = "UserID") | ||
| private Long userID; | ||
| @Column(name = "userName") | ||
| private String userName; |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Standardize column naming convention and add constraints
The column naming is inconsistent (UserID vs userName). Also, the userName field lacks necessary constraints for a authentication-related field.
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
-@Column(name = "UserID")
+@Column(name = "user_id")
private Long userID;
-@Column(name = "userName")
+@Column(name = "user_name", unique = true, nullable = false, length = 50)
+@Index(name = "idx_user_name")
private String userName;Committable suggestion skipped: line range outside the PR's diff.
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Actionable comments posted: 2
🧹 Nitpick comments (2)
src/main/java/com/wipro/fhir/data/users/User.java (1)
26-27: Clarify handling of the 'deleted' field
The field is set to be non-insertable but updatable. Ensure you have a consistent flow for setting and updating this field so it reflects the intended soft-delete logic or deactivation status.src/main/java/com/wipro/fhir/config/RedisConfig.java (1)
23-36: Leverage generics carefully and validate Redis usage
This RedisTemplate is type-bound to <String, User>, which is good for strong typing but restricts usage to that single data structure. Verify that you don’t need to handle other types (e.g., caching a list of entities). If required, consider a separate approach for different data structures.
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📒 Files selected for processing (5)
src/main/java/com/wipro/fhir/FhirApiApplication.java(1 hunks)src/main/java/com/wipro/fhir/config/RedisConfig.java(1 hunks)src/main/java/com/wipro/fhir/data/users/User.java(1 hunks)src/main/java/com/wipro/fhir/service/common/CommonServiceImpl.java(12 hunks)src/main/java/com/wipro/fhir/utils/JwtAuthenticationUtil.java(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- src/main/java/com/wipro/fhir/service/common/CommonServiceImpl.java
🔇 Additional comments (6)
src/main/java/com/wipro/fhir/utils/JwtAuthenticationUtil.java (3)
22-27: Unify dependency injection approach
This class uses both field injection (e.g., for CookieUtil, JwtUtil, and RedisTemplate) and constructor injection (for CookieUtil, JwtUtil). It’s recommended to pick one approach for consistency, typically constructor-based injection for better testability and immutability.
38-41: Avoid revealing detailed error messages
Returning error messages such as “JWT Token is not set!” or “Invalid JWT Token!” leaks implementation details. Consider returning a more generic message (e.g., “Unauthorized access.”) and log the detailed message on the server side.
Also applies to: 48-49
71-79: Check for missing or invalid ‘userId’ claim
Before using the userId to fetch from Redis, confirm it’s not null or empty. Otherwise, the cast to a Long or a missing record could cause unexpected behavior.
src/main/java/com/wipro/fhir/data/users/User.java (1)
17-18: Consider replacing @DaTa with more granular Lombok annotations
Using @DaTa may expose sensitive fields in toString() and can unintentionally introduce setter methods for immutable fields. Consider using @Getter, @Setter, and excluding sensitive fields from toString().
src/main/java/com/wipro/fhir/config/RedisConfig.java (1)
18-21: Confirm ConfigureRedisAction.NO_OP is appropriate
The usage of NO_OP means no auto-configuration for Redis is performed. Ensure you don’t require Redis keyspace notifications or other advanced configurations for your caching logic.
src/main/java/com/wipro/fhir/FhirApiApplication.java (1)
43-56: Ensure consistent Redis template usage
Multiple Redis templates (one typed for User, another typed for Object) can cause confusion if used interchangeably. Confirm whether both are necessary or if a single, more generalized template (or multiple specialized templates) matches your use cases better.
| public boolean validateUserIdAndJwtToken(String jwtToken) throws Exception { | ||
| try { | ||
| // Validate JWT token and extract claims | ||
| Claims claims = jwtUtil.validateToken(jwtToken); | ||
|
|
||
| if (claims == null) { | ||
| throw new Exception("Invalid JWT token."); | ||
| } | ||
|
|
||
| String userId = claims.get("userId", String.class); | ||
|
|
||
| // Check if user data is present in Redis | ||
| User user = getUserFromCache(userId); | ||
| if (user == null) { | ||
| throw new Exception("Invalid User ID."); | ||
| } | ||
|
|
||
| return true; // Valid userId and JWT token | ||
| } catch (Exception e) { | ||
| logger.error("Validation failed: " + e.getMessage(), e); | ||
| throw new Exception("Validation error: " + e.getMessage(), e); | ||
| } | ||
| } |
There was a problem hiding this comment.
Handle and rethrow specific exceptions
Catching a generic Exception and immediately rethrowing it with an error string may mask underlying issues. Instead, catch more specific exceptions (e.g., JwtException, NumberFormatException) to provide clearer context and error handling. This also applies to the second throw statement used for “Invalid User ID.”
| @Column(name = "userName") | ||
| private String userName; |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Add validation and uniqueness constraints
Since this is user data that interfaces with authentication, consider adding constraints (e.g., @notblank, length limits) on userName. Also, a uniqueness constraint at the DB level can help avoid duplicate user names.
|
📋 Description
JIRA ID:
Please provide a summary of the change and the motivation behind it. Include relevant context and details.
✅ Type of Change
ℹ️ Additional Information
Please describe how the changes were tested, and include any relevant screenshots, logs, or other information that provides additional context.
Summary by CodeRabbit
New Features
Userclass for user management and aCookieUtilclass for cookie handling.Bug Fixes
Documentation
Chores
pom.xmlfile and other configuration files.