jwt implementation #35
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WalkthroughThis pull request introduces a comprehensive JWT (JSON Web Token) authentication mechanism for the Helpline 104 application. The changes include adding JWT dependencies to the project, configuring JWT secret keys across different environments, and implementing utility classes for token generation, validation, and cookie management. The modifications enhance the application's security by providing a structured approach to user authentication and token handling. Changes
Sequence DiagramsequenceDiagram
participant Client
participant JwtUserIdValidationFilter
participant JwtAuthenticationUtil
participant JwtUtil
participant UserRepository
Client->>JwtUserIdValidationFilter: HTTP Request
JwtUserIdValidationFilter->>JwtAuthenticationUtil: Validate JWT Token
JwtAuthenticationUtil->>JwtUtil: Extract and Validate Token
JwtUtil-->>JwtAuthenticationUtil: Token Claims
JwtAuthenticationUtil->>UserRepository: Find User by ID
UserRepository-->>JwtAuthenticationUtil: User Details
JwtAuthenticationUtil-->>JwtUserIdValidationFilter: Validation Result
JwtUserIdValidationFilter-->>Client: Authorized/Unauthorized Response
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Actionable comments posted: 13
🧹 Outside diff range and nitpick comments (8)
src/main/java/com/iemr/helpline104/utils/JwtAuthenticationUtil.java (1)
80-83: Avoid Catching GeneralException; Catch Specific ExceptionsCatching the general
Exceptioncan obscure unexpected errors and make debugging difficult. It's better to catch specific exceptions that might be thrown during token validation, such asIEMRException,JwtException, orNumberFormatException.Apply this diff to catch specific exceptions:
- } catch (Exception e) { + } catch (JwtException | NumberFormatException | IEMRException e) { logger.error("Validation failed: " + e.getMessage(), e); throw new IEMRException("Validation error: " + e.getMessage(), e); }src/main/java/com/iemr/helpline104/utils/JwtUserIdValidationFilter.java (1)
87-90: Avoid Catching GeneralException; Catch Specific ExceptionsSimilar to best practices in other parts of the code, catching the general
Exceptioncan make debugging harder and hide issues. It's advisable to catch specific exceptions that are expected during the filtering process.Apply this diff to catch specific exceptions:
- } catch (Exception e) { + } catch (IEMRException e) { logger.error("Authorization error: ", e); response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Authorization error: " + e.getMessage()); }You might also consider handling other specific exceptions that could arise during JWT processing.
src/main/environment/104_example.properties (1)
19-19: Provide Guidance for Settingjwt.secretThe
jwt.secretproperty is currently empty. To ensure proper configuration and security, consider adding a placeholder or instructions to guide users in setting a strong secret key.Apply this diff to add guidance:
jwt.secret= + # Please set a strong secret key for JWT signing, e.g., a long random string + jwt.secret=your_jwt_secret_key_heresrc/main/environment/104_test.properties (2)
Line range hint
20-35: Remove unnecessary empty linesThe file contains multiple empty lines at the end which affects maintainability.
Remove the trailing empty lines to improve file consistency.
20-22: Implement comprehensive JWT security strategyThe current JWT configuration across environments needs a more structured approach:
Secret Management:
- Use a secure secret management service (e.g., HashiCorp Vault, AWS Secrets Manager)
- Implement automatic secret rotation
- Define minimum security requirements for secrets
Configuration:
- Standardize JWT configuration across environments
- Add validation for token expiration and signing algorithms
- Configure proper CORS and cookie settings
Documentation:
- Document JWT implementation details
- Provide setup guides for each environment
- Include security best practices
Would you like assistance in implementing any of these recommendations?
src/main/java/com/iemr/helpline104/utils/FilterConfig.java (1)
1-19: Consider additional security measures for JWT implementationTo enhance the security of the JWT implementation, consider adding:
- Rate limiting to prevent brute force attacks
- Token revocation mechanism using Redis/database blacklist
- Refresh token implementation for better security
- Request logging for security audit
Example implementation for token revocation:
@Service public class TokenBlacklistService { private final RedisTemplate<String, String> redisTemplate; public void blacklistToken(String jti) { redisTemplate.opsForValue().set("blacklist:" + jti, "", 24, TimeUnit.HOURS); } public boolean isBlacklisted(String jti) { return Boolean.TRUE.equals(redisTemplate.hasKey("blacklist:" + jti)); } }src/main/java/com/iemr/helpline104/repository/users/IEMRUserRepositoryCustom.java (1)
62-62: Follow Java naming conventions for parametersThe parameter name
UserIDshould be in camelCase as per Java conventions.-M_User findByUserID(Long UserID); +M_User findByUserID(Long userId);pom.xml (1)
Line range hint
220-230: Align Jackson library versionsThere's a potential version conflict between JWT's Jackson dependencies and the existing Jackson dependencies:
- jackson-databind: 2.17.0-rc1
- jackson-core: 2.17.0-rc1
- jjwt-jackson: 0.12.6 (which might bring its own Jackson version)
Consider aligning all Jackson versions to avoid potential compatibility issues.
<dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> - <version>2.17.0-rc1</version> + <version>2.15.3</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> - <version>2.17.0-rc1</version> + <version>2.15.3</version> </dependency>Also applies to: 232-251
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📒 Files selected for processing (12)
pom.xml(7 hunks)src/main/environment/104_ci.properties(1 hunks)src/main/environment/104_dev.properties(1 hunks)src/main/environment/104_example.properties(1 hunks)src/main/environment/104_test.properties(1 hunks)src/main/environment/104_uat.properties(1 hunks)src/main/java/com/iemr/helpline104/repository/users/IEMRUserRepositoryCustom.java(1 hunks)src/main/java/com/iemr/helpline104/utils/CookieUtil.java(1 hunks)src/main/java/com/iemr/helpline104/utils/FilterConfig.java(1 hunks)src/main/java/com/iemr/helpline104/utils/JwtAuthenticationUtil.java(1 hunks)src/main/java/com/iemr/helpline104/utils/JwtUserIdValidationFilter.java(1 hunks)src/main/java/com/iemr/helpline104/utils/JwtUtil.java(1 hunks)
🔇 Additional comments (3)
src/main/java/com/iemr/helpline104/repository/users/IEMRUserRepositoryCustom.java (1)
62-62: Consider adding access control checks
Since this method provides direct user lookup capability and will be used in JWT validation, ensure proper access control checks are implemented in the service layer to prevent unauthorized user data access.
✅ Verification successful
Let me search for more context about how this repository method is used and any potential security measures.
Let me check for JWT filter configurations and authentication setup to understand the security context better.
Access control is already implemented appropriately
The codebase shows proper security implementation:
- The
findByUserIDmethod is used withinJwtAuthenticationUtilfor JWT token validation - A global
JwtUserIdValidationFilteris configured to intercept all requests ("/*") - The filter performs JWT token validation and user existence checks before allowing access
- Invalid tokens or non-existent users result in 401 Unauthorized responses
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check for access control implementations in service layer
# Look for service classes that might use this repository method
rg -l "findByUserID.*UserID" --type java
Length of output: 124
Script:
#!/bin/bash
# Search for implementations and usages of findByUserID
rg -A 5 "findByUserID" --type java
# Look for security related annotations and checks
rg -A 3 "@(Secured|PreAuthorize|RolesAllowed|PostAuthorize)" --type java
# Search for JWT related security configurations
rg -A 5 "WebSecurityConfigurerAdapter|SecurityFilterChain|JwtAuthenticationFilter" --type java
Length of output: 1105
Script:
#!/bin/bash
# Look for JWT filter and security configurations
rg -A 10 "JwtAuthenticationUtil|SecurityConfig|WebSecurity|@Configuration.*security" --type java
# Check for authentication filter chains or interceptors
rg -A 5 "Filter|Interceptor|addFilterBefore|configure.*HttpSecurity" --type java
# Look for the M_User class to understand user model security
ast-grep --pattern 'class M_User {
$$$
}'
Length of output: 17202
pom.xml (2)
232-251: LGTM on JWT dependencies configuration!
The JWT dependencies are correctly configured with appropriate scopes and using the latest stable version.
Line range hint 195-204: Verify Redis session compatibility with JWT implementation
The presence of both Redis session management and JWT authentication might lead to redundant session handling. Ensure that the implementation clearly defines which mechanism is responsible for session management.
✅ Verification successful
Let me check the implementation details to understand how Redis and JWT are being used together.
Let me check the application properties to understand how Redis and JWT are configured.
Based on the analysis of the codebase, I can now provide a final response:
Redis and JWT serve different purposes in the application - no conflict detected
Redis is being used for server-side session storage (configured via spring.session.store-type=redis) while JWT is used for authentication. The implementation shows:
- Redis handles session data storage through
RedisStorageclass - JWT handles authentication tokens via
JwtUtilandJwtAuthenticationUtil - No redundant session handling as they serve complementary purposes
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check for potential session handling conflicts
# Look for session configuration files and JWT configuration
rg -l "session|jwt" --type java
Length of output: 1291
Script:
#!/bin/bash
# Check Redis configuration and usage
rg -A 10 "RedisStorage|@EnableRedisHttpSession" --type java
# Check JWT implementation
rg -A 10 "class JwtUtil|class JwtAuthenticationUtil" --type java
# Check session object usage
rg -A 10 "class SessionObject" --type java
Length of output: 16768
Script:
#!/bin/bash
# Check application properties for Redis and JWT configuration
rg -A 5 "redis|jwt|session" src/main/resources/application.properties src/main/environment/104_*.properties
# Check if there's any Redis session configuration class
ast-grep --pattern 'class $_ implements $_ { $$$ @EnableRedisHttpSession $$$ }'
Length of output: 2372
src/main/java/com/iemr/helpline104/utils/JwtAuthenticationUtil.java
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📋 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
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Summary by CodeRabbit
New Features
Configuration Changes
Bug Fixes