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WalkthroughThis pull request introduces a comprehensive JWT (JSON Web Token) authentication system for the application. The changes span multiple files, adding dependencies, configuration properties, and utility classes for JWT token generation, validation, and management. The implementation includes new methods for token handling, cookie management, and user authentication, with a focus on enhancing security and streamlining the login process across different environments. Changes
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Actionable comments posted: 15
🧹 Outside diff range and nitpick comments (10)
src/main/java/com/iemr/mmu/repo/login/UserLoginRepo.java (1)
12-16: Add input validation for userID parameter.The repository method should be protected against invalid inputs. Consider adding validation annotations or implementing validation in the service layer.
Example service layer validation:
@Service public class UserService { @Autowired private UserLoginRepo userLoginRepo; public Users validateUser(Long userID) { if (userID == null || userID <= 0) { throw new IllegalArgumentException("Invalid userID"); } return userLoginRepo.getUserByUserID(userID); } }src/main/java/com/iemr/mmu/utils/JwtUserIdValidationFilter.java (3)
58-60: Ensure Consistent String Comparison MethodsYou are using both
equalsandequalsIgnoreCasefor string comparison. For consistency and to prevent potential case-sensitivity issues, consider using the same method for all comparisons.Apply this diff to use
equalsIgnoreCaseconsistently:-if (path.equals(contextPath + "/user/userAuthenticate") || - path.equalsIgnoreCase(contextPath + "/user/logOutUserFromConcurrentSession") || - path.startsWith(contextPath + "/public")) { +if (path.equalsIgnoreCase(contextPath + "/user/userAuthenticate") || + path.equalsIgnoreCase(contextPath + "/user/logOutUserFromConcurrentSession") || + path.startsWith(contextPath + "/public")) {
87-90: Catch Specific Exceptions Instead of Generic ExceptionCatching the generic
Exceptioncan obscure unexpected errors and make debugging difficult. It's better to catch specific exceptions that you anticipate.Apply this diff to catch more specific exceptions:
-} catch (Exception e) { +} catch (JwtValidationException e) { logger.error("Authorization error: ", e); response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Authorization error: " + e.getMessage()); }Make sure that
JwtValidationException(or the relevant exception types) is appropriately imported and used in yourjwtAuthenticationUtil.
73-75: Handle Missing JWT Token GracefullyImmediately returning an unauthorized error when the JWT is missing might not provide a good user experience. Consider redirecting the user to a login page or providing instructions on how to authenticate.
Apply this change to improve user experience:
if (jwtToken == null) { - response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "JWT token not found in cookies or headers"); + response.sendRedirect(contextPath + "/login"); return; }Ensure the
/loginendpoint exists and is correctly configured.src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java (1)
36-60: Refactor common JWT validation logic into a private helper methodBoth
validateJwtTokenandvalidateUserIdAndJwtTokenperform JWT token validation and claim extraction. To reduce code duplication and improve maintainability, consider refactoring the common logic into a private helper method.Example implementation:
private Claims validateAndExtractClaims(String jwtToken) throws IEMRException { Claims claims = jwtUtil.validateToken(jwtToken); if (claims == null) { throw new IEMRException("Invalid JWT token."); } return claims; }Update the methods accordingly:
// In validateJwtToken - Claims claims = jwtUtil.validateToken(jwtToken); + Claims claims = validateAndExtractClaims(jwtToken); // In validateUserIdAndJwtToken - Claims claims = jwtUtil.validateToken(jwtToken); + Claims claims = validateAndExtractClaims(jwtToken);Also applies to: 62-90
src/main/java/com/iemr/mmu/utils/JwtUtil.java (1)
25-30: Specify character encoding when convertingSECRET_KEYto bytesUsing
SECRET_KEY.getBytes()without specifying a character encoding relies on the platform's default charset, which may lead to inconsistent behavior across different environments. It's better to specify a charset explicitly, such asStandardCharsets.UTF_8.Apply this diff:
+ import java.nio.charset.StandardCharsets; ... - return Keys.hmacShaKeyFor(SECRET_KEY.getBytes()); + return Keys.hmacShaKeyFor(SECRET_KEY.getBytes(StandardCharsets.UTF_8));src/main/java/com/iemr/mmu/utils/FilterConfig.java (1)
12-17: Consider setting the filter order explicitlyTo ensure that the
JwtUserIdValidationFilteris processed at the appropriate point in the filter chain, consider setting the filter order explicitly usingregistrationBean.setOrder(int order).src/main/java/com/iemr/mmu/utils/CookieUtil.java (2)
27-35: Consider setting theSameSiteattribute for the JWT cookieFor enhanced security against Cross-Site Request Forgery (CSRF) attacks, consider setting the
SameSiteattribute on the cookie. Depending on your application's requirements, you can set it toStrictorLax.Note: Since the
Cookieclass does not have a built-in method to setSameSite, you may need to manipulate theSet-Cookieheader manually.
27-27: Use standard Java naming conventions for parameter namesParameter names should start with a lowercase letter. Consider renaming
JwttokentojwtTokenfor consistency and readability.Apply this diff:
- public void addJwtTokenToCookie(String Jwttoken, HttpServletResponse response) { + public void addJwtTokenToCookie(String jwtToken, HttpServletResponse response) {Also update references within the method accordingly.
pom.xml (1)
Line range hint
247-251: Remove explicit Spring Web version.The Spring Web version is explicitly defined which could override the version managed by the parent Spring Boot starter. This might lead to compatibility issues.
Remove the explicit version to use the one managed by Spring Boot:
<dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> - <version>6.1.6</version> </dependency>
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📒 Files selected for processing (12)
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/iemr/mmu/data/login/Users.java(1 hunks)src/main/java/com/iemr/mmu/repo/login/UserLoginRepo.java(1 hunks)src/main/java/com/iemr/mmu/utils/CookieUtil.java(1 hunks)src/main/java/com/iemr/mmu/utils/FilterConfig.java(1 hunks)src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java(1 hunks)src/main/java/com/iemr/mmu/utils/JwtUserIdValidationFilter.java(1 hunks)src/main/java/com/iemr/mmu/utils/JwtUtil.java(1 hunks)
🔇 Additional comments (4)
src/main/java/com/iemr/mmu/data/login/Users.java (1)
Line range hint 1-100: Verify JWT-related fields in the Users entity.
Since this PR implements JWT authentication, consider adding fields to track:
- Last token issued timestamp
- Token version/invalidation flag
- Account lock status for security
src/main/java/com/iemr/mmu/utils/JwtUtil.java (1)
33-45: Token generation logic looks good
The generateToken method correctly creates a JWT with the necessary claims and signs it appropriately.
src/main/environment/common_dev.properties (1)
81-81: Duplicate comment: Ensure secure management of JWT secret key
src/main/environment/common_example.properties (1)
92-92: Same security concerns as in common_test.properties.
Please refer to the security recommendations provided in the review of common_test.properties.
| @Query(" SELECT u FROM Users u WHERE u.userID = :userID AND u.deleted = false ") | ||
| public Users getUserByUserID(@Param("userID") Long userID); |
There was a problem hiding this comment.
💡 Codebase verification
Security concern confirmed: Query exposes sensitive user data
The Users entity contains multiple sensitive fields that would be exposed by the current query:
- Password field
- Agent password
- PAN (Permanent Account Number)
- Aadhaar number (Indian national ID)
- Personal contact information
Consider creating a dedicated DTO projection or a custom query that selects only the necessary fields for authentication:
@Query("SELECT NEW com.iemr.mmu.dto.UserAuthDTO(u.userID, u.userName, u.statusID, u.deleted) FROM Users u WHERE u.userID = :userID AND u.deleted = false")🔗 Analysis chain
Consider data exposure risks in the query result.
The query returns the complete Users entity which might include sensitive fields like password hashes. Consider creating a DTO projection that returns only the necessary fields for JWT validation.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check for sensitive fields in Users entity
ast-grep --pattern 'class Users {
$$$
@Column(name = "Password")
private String password;
$$$
}'
Length of output: 106
Script:
#!/bin/bash
# Let's try to find the Users entity file first
fd Users.java
# Then examine its content for sensitive fields
rg -A 2 -B 2 "@Column.*password|@Column.*hash|@Column.*secret"
Length of output: 129
Script:
#!/bin/bash
# Now that we found the Users.java file, let's examine its content
cat src/main/java/com/iemr/mmu/data/login/Users.java
Length of output: 3103
| import com.google.gson.annotations.Expose; | ||
|
|
||
| @Entity | ||
| @Data |
There was a problem hiding this comment.
Security concern: @DaTa annotation may expose sensitive information.
The @DaTa annotation generates toString() method which could accidentally expose sensitive fields like password, aadhaarNo, and PAN in logs. Consider:
- Using individual Lombok annotations (@Getter, @Setter) instead of @DaTa
- Excluding sensitive fields from toString()
Replace with:
@Getter
@Setter
@ToString(exclude = {"password", "aadhaarNo", "pan"})
@EqualsAndHashCode(exclude = {"password", "aadhaarNo", "pan"})| import jakarta.persistence.GenerationType; | ||
| import jakarta.persistence.Id; | ||
| import jakarta.persistence.Table; | ||
| import lombok.Data; |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Consider additional security measures for sensitive fields.
Several security enhancements are recommended:
- Store password as char[] instead of String to allow secure wiping from memory
- Add encryption annotations for sensitive fields like aadhaarNo and PAN
- Consider using @JsonIgnore for sensitive fields
Example implementation:
import com.fasterxml.jackson.annotation.JsonIgnore;
import javax.crypto.spec.SecretKeySpec;
import javax.persistence.Convert;
@Column(name = "Password")
@JsonIgnore
private char[] password;
@Column(name = "AadhaarNo")
@Convert(converter = AttributeEncryptor.class)
@JsonIgnore
private String aadhaarNo;
@Column(name = "PAN")
@Convert(converter = AttributeEncryptor.class)
@JsonIgnore
private String pan;Also applies to: 37-37
|
|
||
| // Log headers for debugging | ||
| String jwtTokenFromHeader = request.getHeader("Jwttoken"); | ||
| logger.info("JWT token from header: " + jwtTokenFromHeader); |
There was a problem hiding this comment.
Avoid Logging Sensitive Information
Logging JWT tokens can expose sensitive information in your application logs, which is a security risk. It's advisable to avoid logging the actual token values.
Apply this diff to remove sensitive information from logs:
-logger.info("JWT token from header: " + jwtTokenFromHeader);
+logger.info("JWT token from header received.");
...
-logger.info("JWT token from cookie: " + jwtTokenFromCookie);
+logger.info("JWT token from cookie received.");Also applies to: 69-69
| 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"); | ||
| } |
There was a problem hiding this comment.
Avoid Logging Cookie Information
Logging cookie names and values may expose sensitive information. It's recommended to avoid logging cookie details unless necessary for debugging, and even then, consider logging only non-sensitive information.
Apply this diff to remove cookie 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");
-}If cookie handling is necessary, ensure sensitive information is not logged.
Committable suggestion skipped: line range outside the PR's diff.
| public Claims validateToken(String token) { | ||
| try { | ||
| return Jwts.parserBuilder() | ||
| .setSigningKey(getSigningKey()) | ||
| .build() | ||
| .parseClaimsJws(token) | ||
| .getBody(); | ||
| } catch (Exception e) { | ||
| return null; // Handle token parsing/validation errors | ||
| } | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Improve exception handling in validateToken method
Catching the general Exception can mask unexpected errors and make debugging difficult. It's better to catch specific exceptions related to JWT parsing, such as JwtException, and handle them appropriately. Additionally, returning null on failure may lead to NullPointerException in callers. Consider throwing an exception or returning an Optional<Claims>.
Apply this diff to improve exception handling:
- } catch (Exception e) {
- return null; // Handle token parsing/validation errors
+ } catch (JwtException e) {
+ throw new IllegalArgumentException("Invalid JWT token", e);📝 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.
| public Claims validateToken(String token) { | |
| try { | |
| return Jwts.parserBuilder() | |
| .setSigningKey(getSigningKey()) | |
| .build() | |
| .parseClaimsJws(token) | |
| .getBody(); | |
| } catch (Exception e) { | |
| return null; // Handle token parsing/validation errors | |
| } | |
| } | |
| public Claims validateToken(String token) { | |
| try { | |
| return Jwts.parserBuilder() | |
| .setSigningKey(getSigningKey()) | |
| .build() | |
| .parseClaimsJws(token) | |
| .getBody(); | |
| } catch (JwtException e) { | |
| throw new IllegalArgumentException("Invalid JWT token", e); | |
| } | |
| } |
| public String getJwtTokenFromCookie(HttpServletRequest request) { | ||
| return Arrays.stream(request.getCookies()) | ||
| .filter(cookie -> "Jwttoken".equals(cookie.getName())) | ||
| .map(Cookie::getValue) | ||
| .findFirst() | ||
| .orElse(null); | ||
| } |
There was a problem hiding this comment.
Fix potential NullPointerException in getJwtTokenFromCookie method
request.getCookies() can return null if there are no cookies. Using Arrays.stream() without checking for null may lead to a NullPointerException. Add a null check before streaming the cookies.
Apply this diff to fix the issue:
+ Cookie[] cookies = request.getCookies();
+ if (cookies == null) {
+ return null;
+ }
- return Arrays.stream(request.getCookies())
+ return Arrays.stream(cookies)
.filter(cookie -> "Jwttoken".equals(cookie.getName()))
.map(Cookie::getValue)
.findFirst()
.orElse(null);📝 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.
| public String getJwtTokenFromCookie(HttpServletRequest request) { | |
| return Arrays.stream(request.getCookies()) | |
| .filter(cookie -> "Jwttoken".equals(cookie.getName())) | |
| .map(Cookie::getValue) | |
| .findFirst() | |
| .orElse(null); | |
| } | |
| public String getJwtTokenFromCookie(HttpServletRequest request) { | |
| Cookie[] cookies = request.getCookies(); | |
| if (cookies == null) { | |
| return null; | |
| } | |
| return Arrays.stream(cookies) | |
| .filter(cookie -> "Jwttoken".equals(cookie.getName())) | |
| .map(Cookie::getValue) | |
| .findFirst() | |
| .orElse(null); | |
| } |
| tmReferCheckValue=TM | ||
| ### Redis IP | ||
| spring.redis.host=localhost | ||
| jwt.secret=<Enter_Your_Secret_Key> |
There was a problem hiding this comment.
Ensure secure management of JWT secret key
Storing secret keys directly in properties files can pose security risks if the files are committed to version control. Consider using environment variables or a secure secrets management system to supply the jwt.secret value.
|
|
||
| ### Redis IP | ||
| spring.redis.host=localhost | ||
| jwt.secret=<Enter_Your_Secret_Key> |
There was a problem hiding this comment.
Enhance security of JWT secret key configuration.
The JWT secret key should not be stored directly in the properties file. Consider the following security recommendations:
- Use environment variables or a secure vault to manage the secret.
- Ensure the secret meets minimum length and complexity requirements.
- Avoid committing the actual secret value to version control.
Replace the current configuration with an environment variable:
-jwt.secret=<Enter_Your_Secret_Key>
+jwt.secret=${JWT_SECRET}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| jwt.secret=<Enter_Your_Secret_Key> | |
| jwt.secret=${JWT_SECRET} |
| <!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt-api --> | ||
| <dependency> | ||
| <groupId>io.jsonwebtoken</groupId> | ||
| <artifactId>jjwt-api</artifactId> | ||
| <version>0.11.5</version> | ||
| </dependency> | ||
| <!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt-impl --> | ||
| <dependency> | ||
| <groupId>io.jsonwebtoken</groupId> | ||
| <artifactId>jjwt-impl</artifactId> | ||
| <version>0.11.5</version> | ||
| <scope>runtime</scope> | ||
| </dependency> | ||
| <!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt-jackson --> | ||
| <dependency> | ||
| <groupId>io.jsonwebtoken</groupId> | ||
| <artifactId>jjwt-jackson</artifactId> | ||
| <version>0.11.5</version> | ||
| <scope>runtime</scope> | ||
| </dependency> |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Update JWT dependencies to the latest version.
The JWT dependencies are using version 0.11.5, while the latest stable version is 0.12.3. Consider updating to benefit from the latest security fixes and improvements.
Update the version in all JWT dependencies:
- <version>0.11.5</version>
+ <version>0.12.3</version>📝 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.
| <!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt-api --> | |
| <dependency> | |
| <groupId>io.jsonwebtoken</groupId> | |
| <artifactId>jjwt-api</artifactId> | |
| <version>0.11.5</version> | |
| </dependency> | |
| <!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt-impl --> | |
| <dependency> | |
| <groupId>io.jsonwebtoken</groupId> | |
| <artifactId>jjwt-impl</artifactId> | |
| <version>0.11.5</version> | |
| <scope>runtime</scope> | |
| </dependency> | |
| <!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt-jackson --> | |
| <dependency> | |
| <groupId>io.jsonwebtoken</groupId> | |
| <artifactId>jjwt-jackson</artifactId> | |
| <version>0.11.5</version> | |
| <scope>runtime</scope> | |
| </dependency> | |
| <!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt-api --> | |
| <dependency> | |
| <groupId>io.jsonwebtoken</groupId> | |
| <artifactId>jjwt-api</artifactId> | |
| <version>0.12.3</version> | |
| </dependency> | |
| <!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt-impl --> | |
| <dependency> | |
| <groupId>io.jsonwebtoken</groupId> | |
| <artifactId>jjwt-impl</artifactId> | |
| <version>0.12.3</version> | |
| <scope>runtime</scope> | |
| </dependency> | |
| <!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt-jackson --> | |
| <dependency> | |
| <groupId>io.jsonwebtoken</groupId> | |
| <artifactId>jjwt-jackson</artifactId> | |
| <version>0.12.3</version> | |
| <scope>runtime</scope> | |
| </dependency> |
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Actionable comments posted: 5
🧹 Outside diff range and nitpick comments (4)
src/main/environment/common_example.properties (2)
Line range hint
2-6: Consider using environment variables or secure vault for credentialsWhile this is an example file, it's recommended to demonstrate secure credential management practices. Consider showing how to use environment variables or a secure vault service instead of direct property values.
Example using environment variables:
-spring.datasource.url=<Enter AMRIT DB URL here> -spring.datasource.username=<Enter your AMRIT DB username> -spring.datasource.password=<Enter your AMRIT DB password> +spring.datasource.url=${AMRIT_DB_URL} +spring.datasource.username=${AMRIT_DB_USERNAME} +spring.datasource.password=${AMRIT_DB_PASSWORD}
Line range hint
10-77: Externalize environment-specific URLs and IPsThe configuration contains multiple hardcoded IP addresses and URLs. This can make environment switching and maintenance challenging.
Consider:
- Using environment variables or configuration server for environment-specific values
- Creating separate property files for each environment
- Using service discovery or DNS names instead of IP addresses where possible
Example structure:
# Base URLs api.carestream.base-url=${CARESTREAM_BASE_URL:http://localhost:8080} api.common.base-url=${COMMON_API_BASE_URL:http://localhost:8080} # Derived URLs carestreamOrderCreateURL=${api.carestream.base-url}/carestream/createOrder registrationUrl=${api.common.base-url}/beneficiary/createsrc/main/java/com/iemr/mmu/data/login/Users.java (1)
Line range hint
39-89: Consider implementing an audit trail for user data changesGiven this class's role in a JWT-based system and its focus on user profile data, consider:
- Adding version control for audit purposes (@Version annotation)
- Implementing an audit listener (@EntityListeners) to track changes
- Adding validation constraints for fields like userName, firstName, etc.
Example implementation:
@EntityListeners(AuditingEntityListener.class) @Version private Long version; @NotBlank(message = "Username is required") @Pattern(regexp = "^[a-zA-Z0-9._-]{3,}$", message = "Invalid username format") @Column(name = "UserName") private String userName;src/main/java/com/iemr/mmu/utils/JwtUtil.java (1)
1-20: Consider adding version claim and extracting algorithm as constantTo improve maintainability and security:
- Add a version claim to support future token format changes
- Extract the signing algorithm as a constant
Apply this diff:
@Component public class JwtUtil { + private static final SignatureAlgorithm SIGNING_ALGORITHM = SignatureAlgorithm.HS256; + private static final String TOKEN_VERSION = "1.0"; @Value("${jwt.secret}") private String SECRET_KEY;
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📒 Files selected for processing (11)
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/iemr/mmu/data/login/Users.java(1 hunks)src/main/java/com/iemr/mmu/utils/CookieUtil.java(1 hunks)src/main/java/com/iemr/mmu/utils/FilterConfig.java(1 hunks)src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java(1 hunks)src/main/java/com/iemr/mmu/utils/JwtUserIdValidationFilter.java(1 hunks)src/main/java/com/iemr/mmu/utils/JwtUtil.java(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (8)
- src/main/environment/common_test.properties
- src/main/environment/common_dev.properties
- src/main/java/com/iemr/mmu/utils/FilterConfig.java
- src/main/environment/common_ci.properties
- src/main/java/com/iemr/mmu/utils/CookieUtil.java
- pom.xml
- src/main/java/com/iemr/mmu/utils/JwtUserIdValidationFilter.java
- src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java
🔇 Additional comments (3)
src/main/java/com/iemr/mmu/data/login/Users.java (2)
37-37:
Security concern: Replace @DaTa with more specific annotations
The @DaTa annotation generates toString() which could expose sensitive user information in logs. This is particularly risky in a JWT-based authentication context.
Replace with:
@Getter
@Setter
@ToString(exclude = {"userID", "userName", "createdBy", "modifiedBy"})
@EqualsAndHashCode(exclude = {"userID", "userName", "createdBy", "modifiedBy"})38-38: Verify the relocation of authentication data
The removal of authentication-related fields (password, etc.) suggests these are being handled elsewhere. Let's verify the new authentication flow:
✅ Verification successful
Let me try a different search strategy to locate the authentication-related code.
Let's examine the content of these JWT-related files to understand the authentication flow.
Based on the code analysis, I can now provide a final response:
Authentication data has been properly relocated to JWT-based system
The removal of password fields from Users.java is part of a secure architectural change where:
- Authentication is now handled through JWT tokens (via
JwtAuthenticationUtilandJwtUserIdValidationFilter) - User validation is performed through token claims rather than direct password checks
- The system uses a cookie-based token storage mechanism with proper security measures
- Sensitive data like passwords are no longer stored in the
Usersentity
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for new authentication-related classes
echo "Searching for JWT authentication classes..."
fd -e java -x grep -l "implements UserDetailsService|extends WebSecurityConfigurerAdapter|JwtAuthenticationFilter"
# Search for password/credentials handling
echo "Searching for password handling..."
rg -l "password.*encode|BCryptPasswordEncoder|PasswordEncoder"
# Search for potential credential storage
echo "Searching for credential storage..."
ast-grep --pattern 'class $_ {
$$$
@Column(name = "Password")
private $_ $_
$$$
}'
Length of output: 532
Script:
#!/bin/bash
# Search for authentication-related annotations and imports
echo "Searching for Spring Security annotations and JWT tokens..."
rg -l "@EnableWebSecurity|@Configuration.*Security|JwtToken|Authentication" --type java
# Look for security configuration files
echo "Searching for security config files..."
fd -e java "Security|Auth|JWT"
# Search for password field in any table
echo "Searching for password columns..."
rg -l "@Column.*password|@Column.*Password" --type java
# Search for user details service implementation
echo "Looking for UserDetails implementation..."
rg -l "UserDetails|UserDetailsService" --type java
Length of output: 903
Script:
#!/bin/bash
# Check JwtAuthenticationUtil implementation
echo "Contents of JwtAuthenticationUtil.java:"
cat src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java
# Check JwtUserIdValidationFilter implementation
echo "Contents of JwtUserIdValidationFilter.java:"
cat src/main/java/com/iemr/mmu/utils/JwtUserIdValidationFilter.java
# Check FilterConfig implementation
echo "Contents of FilterConfig.java:"
cat src/main/java/com/iemr/mmu/utils/FilterConfig.java
# Look for user authentication in these files
echo "Searching for authentication methods:"
rg "authenticate|login|password" src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java src/main/java/com/iemr/mmu/utils/JwtUserIdValidationFilter.java
Length of output: 8248
src/main/java/com/iemr/mmu/utils/JwtUtil.java (1)
43-49:
Improve exception handling in validateToken method
The current implementation masks specific JWT exceptions and returns null, which could lead to NPEs.
Apply this diff:
public Claims validateToken(String token) {
+ if (token == null || token.trim().isEmpty()) {
+ throw new IllegalArgumentException("Token cannot be null or empty");
+ }
try {
return Jwts.parser()
.setSigningKey(getSigningKey())
.build()
.parseClaimsJws(token)
.getBody();
- } catch (Exception e) {
- return null; // Handle token parsing/validation errors
+ } catch (io.jsonwebtoken.ExpiredJwtException e) {
+ throw new IllegalArgumentException("Token has expired", e);
+ } catch (io.jsonwebtoken.security.SecurityException | io.jsonwebtoken.MalformedJwtException e) {
+ throw new IllegalArgumentException("Invalid token signature", e);
+ } catch (io.jsonwebtoken.UnsupportedJwtException e) {
+ throw new IllegalArgumentException("Unsupported token", e);
+ } catch (IllegalArgumentException e) {
+ throw e;
+ } catch (Exception e) {
+ throw new IllegalArgumentException("Error validating token", e);
}
}|
|
||
| ### Redis IP | ||
| spring.redis.host=localhost | ||
| jwt.secret=@JWT_SECRET_KEY@ |
There was a problem hiding this comment.
Enhance JWT configuration security
The JWT secret configuration needs additional security considerations and properties.
-
Ensure the JWT secret is:
- Sufficiently long and complex
- Different across environments
- Regularly rotated
- Stored securely (e.g., vault service)
-
Consider adding additional JWT properties:
# JWT Configuration
jwt.secret=${JWT_SECRET}
jwt.expiration=3600
jwt.issuer=mmu-api
jwt.audience=mmu-clients
jwt.token-prefix=Bearer- Implement secret rotation:
# Support for key rotation
jwt.secret.current=${JWT_SECRET_CURRENT}
jwt.secret.previous=${JWT_SECRET_PREVIOUS}| public String generateToken(String username, String userId) { | ||
| Date now = new Date(); | ||
| Date expiryDate = new Date(now.getTime() + EXPIRATION_TIME); | ||
|
|
||
| // Include the userId in the JWT claims | ||
| return Jwts.builder().setSubject(username).claim("userId", userId) // Add userId as a claim | ||
| .setIssuedAt(now).setExpiration(expiryDate).signWith(getSigningKey(), SignatureAlgorithm.HS256) | ||
| .compact(); | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Enhance token generation with additional claims and validation
The token generation could be improved with:
- Input validation
- Additional standard claims
- Configurable expiration time
Apply this diff:
+ @Value("${jwt.expiration:86400000}") // Default to 24 hours
+ private long tokenExpiration;
+
public String generateToken(String username, String userId) {
+ if (username == null || username.trim().isEmpty()) {
+ throw new IllegalArgumentException("Username cannot be null or empty");
+ }
+ if (userId == null || userId.trim().isEmpty()) {
+ throw new IllegalArgumentException("UserId cannot be null or empty");
+ }
Date now = new Date();
- Date expiryDate = new Date(now.getTime() + EXPIRATION_TIME);
+ Date expiryDate = new Date(now.getTime() + tokenExpiration);
+ String tokenId = java.util.UUID.randomUUID().toString();
return Jwts.builder()
.setSubject(username)
.claim("userId", userId)
+ .setId(tokenId) // jti claim
+ .claim("ver", TOKEN_VERSION) // version claim
.setIssuedAt(now)
.setExpiration(expiryDate)
- .signWith(getSigningKey(), SignatureAlgorithm.HS256)
+ .signWith(getSigningKey(), SIGNING_ALGORITHM)
.compact();
}Committable suggestion skipped: line range outside the PR's diff.
| 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()); | ||
| } |
There was a problem hiding this comment.
Enhance key generation security
The current implementation has potential security concerns:
- No validation of secret key length for HS256
- Sensitive bytes remain in memory
Apply this diff:
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() < 32) {
+ throw new IllegalStateException("JWT secret key must be at least 256 bits");
+ }
- return Keys.hmacShaKeyFor(SECRET_KEY.getBytes());
+ byte[] keyBytes = SECRET_KEY.getBytes();
+ Key key = Keys.hmacShaKeyFor(keyBytes);
+ // Clear sensitive data
+ java.util.Arrays.fill(keyBytes, (byte) 0);
+ return key;
}📝 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.
| 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()); | |
| } | |
| 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() < 32) { | |
| throw new IllegalStateException("JWT secret key must be at least 256 bits"); | |
| } | |
| byte[] keyBytes = SECRET_KEY.getBytes(); | |
| Key key = Keys.hmacShaKeyFor(keyBytes); | |
| // Clear sensitive data | |
| java.util.Arrays.fill(keyBytes, (byte) 0); | |
| return key; | |
| } |
| public String extractUsername(String token) { | ||
| return extractClaim(token, Claims::getSubject); | ||
| } | ||
|
|
||
| public <T> T extractClaim(String token, Function<Claims, T> claimsResolver) { | ||
| final Claims claims = extractAllClaims(token); | ||
| return claimsResolver.apply(claims); | ||
| } | ||
|
|
||
| private Claims extractAllClaims(String token) { | ||
| return Jwts.parser().setSigningKey(getSigningKey()).build().parseClaimsJws(token).getBody(); | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Refactor claim extraction methods to avoid duplication and add error handling
The claim extraction methods have several issues:
- Duplicate token parsing logic
- Missing error handling
- No input validation
Apply this diff:
public String extractUsername(String token) {
+ if (token == null || token.trim().isEmpty()) {
+ throw new IllegalArgumentException("Token cannot be null or empty");
+ }
return extractClaim(token, Claims::getSubject);
}
public <T> T extractClaim(String token, Function<Claims, T> claimsResolver) {
+ if (claimsResolver == null) {
+ throw new IllegalArgumentException("Claims resolver cannot be null");
+ }
final Claims claims = extractAllClaims(token);
+ if (claims == null) {
+ throw new IllegalArgumentException("Failed to extract claims from token");
+ }
return claimsResolver.apply(claims);
}
private Claims extractAllClaims(String token) {
- return Jwts.parser()
- .setSigningKey(getSigningKey())
- .build()
- .parseClaimsJws(token)
- .getBody();
+ // Reuse validateToken to avoid duplication
+ return validateToken(token);
}Committable suggestion skipped: line range outside the PR's diff.
| package com.iemr.mmu.utils; | ||
|
|
||
| import java.security.Key; | ||
| import java.util.Date; | ||
| import java.util.function.Function; | ||
|
|
||
| import org.springframework.beans.factory.annotation.Value; | ||
| import org.springframework.stereotype.Component; | ||
|
|
||
| import io.jsonwebtoken.Claims; | ||
| import io.jsonwebtoken.Jwts; | ||
| import io.jsonwebtoken.SignatureAlgorithm; | ||
| import io.jsonwebtoken.security.Keys; | ||
|
|
||
| @Component | ||
| public class JwtUtil { | ||
|
|
||
| @Value("${jwt.secret}") | ||
| private String SECRET_KEY; | ||
|
|
||
| private static final long EXPIRATION_TIME = 24 * 60 * 60 * 1000; // 1 day in milliseconds | ||
|
|
||
| // 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()); | ||
| } | ||
|
|
||
| // Generate JWT Token | ||
| public String generateToken(String username, String userId) { | ||
| Date now = new Date(); | ||
| Date expiryDate = new Date(now.getTime() + EXPIRATION_TIME); | ||
|
|
||
| // Include the userId in the JWT claims | ||
| return Jwts.builder().setSubject(username).claim("userId", userId) // Add userId as a claim | ||
| .setIssuedAt(now).setExpiration(expiryDate).signWith(getSigningKey(), SignatureAlgorithm.HS256) | ||
| .compact(); | ||
| } | ||
|
|
||
| // Validate and parse JWT Token | ||
| public Claims validateToken(String token) { | ||
| try { | ||
| return Jwts.parser().setSigningKey(getSigningKey()).build().parseClaimsJws(token).getBody(); | ||
| } catch (Exception e) { | ||
| return null; // Handle token parsing/validation errors | ||
| } | ||
| } | ||
|
|
||
| public String extractUsername(String token) { | ||
| return extractClaim(token, Claims::getSubject); | ||
| } | ||
|
|
||
| public <T> T extractClaim(String token, Function<Claims, T> claimsResolver) { | ||
| final Claims claims = extractAllClaims(token); | ||
| return claimsResolver.apply(claims); | ||
| } | ||
|
|
||
| private Claims extractAllClaims(String token) { | ||
| return Jwts.parser().setSigningKey(getSigningKey()).build().parseClaimsJws(token).getBody(); | ||
| } | ||
| } |
There was a problem hiding this comment.
💡 Codebase verification
Security implementation needs improvements
Several security concerns need to be addressed:
- The JWT secret key is configured using a placeholder
@JWT_SECRET_KEY@in all environment files, but there's no validation of its strength or length inJwtUtil.getSigningKey() - Exception handling in
JwtUtil.validateToken()silently returns null instead of providing specific error information - No Spring Security dependency found in pom.xml, suggesting basic security features might be missing
- The JWT token expiration is hardcoded to 24 hours without being configurable
- The filter allows both cookie and header-based token authentication, which could lead to security issues
- Sensitive information is being logged (JWT token presence logging)
🔗 Analysis chain
Verify security configuration and documentation
Since this is a security-critical component, let's ensure proper configuration and documentation exist.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check for security-related configuration and documentation
# Check for security documentation
echo "Checking for security documentation..."
fd -t f -e md -e txt . | xargs rg -l "security|jwt|authentication" || true
# Check for Spring Security configuration
echo "Checking for Spring Security configuration..."
fd -t f "SecurityConfig|WebSecurityConfig" || true
# Check for other JWT usage
echo "Checking for other JWT-related code..."
rg -l "jwt" || true
Length of output: 840
Script:
#!/bin/bash
# Check the content of JWT-related files and configuration
# Check FilterConfig.java for JWT filter configuration
echo "=== Checking FilterConfig.java ==="
cat src/main/java/com/iemr/mmu/utils/FilterConfig.java
echo -e "\n=== Checking JwtAuthenticationUtil.java ==="
cat src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java
echo -e "\n=== Checking JwtUserIdValidationFilter.java ==="
cat src/main/java/com/iemr/mmu/utils/JwtUserIdValidationFilter.java
echo -e "\n=== Checking JWT properties in configuration files ==="
rg "jwt" src/main/environment/common_*.properties
# Check if there are any security-related beans or configurations
echo -e "\n=== Checking for Spring Security dependencies ==="
rg "spring-security" pom.xml
Length of output: 8520
There was a problem hiding this comment.
Actionable comments posted: 4
♻️ Duplicate comments (2)
src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java (1)
22-33:⚠️ Potential issueFix dependency injection configuration
The dependency injection setup has inconsistencies that could lead to runtime issues.
See previous review comment about correcting dependency injection and removing redundant
@Autowiredannotations.src/main/environment/common_example.properties (1)
92-92:⚠️ Potential issueEnhance JWT configuration security
See previous review comment about enhancing JWT configuration security with additional properties and secure secret management.
🧹 Nitpick comments (2)
src/main/java/com/iemr/mmu/data/login/Users.java (1)
37-40: Be mindful of adding sensitive fields under @DaTa
Currently, no sensitive fields exist. However, if you add them later, @Data-generated methods (like toString()) could reveal them. Consider isolating or excluding sensitive fields if introduced in the future.src/main/java/com/iemr/mmu/config/RedisConfig.java (1)
46-59: Avoid potential duplication in RedisTemplate setup
You have a similar Redis template in Application. If both serve distinct purposes, clarify usage. If not, unify them to reduce confusion and maintenance overhead.
📜 Review details
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Review profile: CHILL
Plan: Pro
📒 Files selected for processing (11)
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/iemr/mmu/Application.java(2 hunks)src/main/java/com/iemr/mmu/config/RedisConfig.java(2 hunks)src/main/java/com/iemr/mmu/data/login/Users.java(1 hunks)src/main/java/com/iemr/mmu/utils/CookieUtil.java(1 hunks)src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java(1 hunks)src/main/java/com/iemr/mmu/utils/JwtUserIdValidationFilter.java(1 hunks)src/main/java/com/iemr/mmu/utils/JwtUtil.java(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (5)
- src/main/environment/common_test.properties
- src/main/environment/common_dev.properties
- src/main/environment/common_ci.properties
- src/main/java/com/iemr/mmu/utils/CookieUtil.java
- src/main/java/com/iemr/mmu/utils/JwtUserIdValidationFilter.java
🔇 Additional comments (4)
src/main/java/com/iemr/mmu/utils/JwtUtil.java (3)
25-29: Validate the length of SECRET_KEY to strengthen security
This code does not verify the strength of the JWT secret key. A short key compromises security.
32-40: Consider adding claims and configurable expiration
Token generation can be enriched by adding standard claims (e.g., jti, ver) and making the expiration time configurable.
44-48: Use specific exception handling for token validation
Catching the general exception and returning null may hide debugging details and lead to NullPointerExceptions.
src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java (1)
35-60: Refactor to separate web concerns from utility class
See previous review comment about avoiding ResponseEntity returns from utility classes.
| @Bean | ||
| public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) { | ||
| RedisTemplate<String, Object> template = new RedisTemplate<>(); | ||
| template.setConnectionFactory(factory); | ||
|
|
||
| // Use StringRedisSerializer for keys (userId) | ||
| template.setKeySerializer(new StringRedisSerializer()); | ||
|
|
||
| // Use Jackson2JsonRedisSerializer for values (Users objects) | ||
| Jackson2JsonRedisSerializer<Users> serializer = new Jackson2JsonRedisSerializer<>(Users.class); | ||
| template.setValueSerializer(serializer); | ||
|
|
||
| return template; | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Consolidate RedisTemplate configuration
There is overlapping Redis template logic in both Application and RedisConfig. Consider centralizing your Redis template configuration (e.g., in RedisConfig) to maintain clarity and consistency.
| private Users getUserFromCache(String userId) { | ||
| String redisKey = "user_" + userId; // The Redis key format | ||
| Users user = (Users) redisTemplate.opsForValue().get(redisKey); | ||
|
|
||
| if (user == null) { | ||
| logger.warn("User not found in Redis."); | ||
| } else { | ||
| logger.info("User fetched successfully from Redis."); | ||
| } | ||
|
|
||
| return user; // Returns null if not found | ||
| } |
There was a problem hiding this comment.
Implement cache TTL and eviction strategy
The Redis cache implementation lacks crucial security controls:
- No TTL configuration for cached user data
- No cache eviction strategy
- No synchronization with user data changes
This could lead to security issues if tokens remain valid after user permissions change.
- Add TTL configuration:
private Users getUserFromCache(String userId) {
String redisKey = "user_" + userId; // The Redis key format
- Users user = (Users) redisTemplate.opsForValue().get(redisKey);
+ Users user = (Users) redisTemplate.opsForValue().get(redisKey);
+ if (user != null) {
+ // Reset TTL on access
+ redisTemplate.expire(redisKey, 1, TimeUnit.HOURS);
+ }- Add cache eviction on user data changes:
@EventListener
public void onUserDataChange(UserChangeEvent event) {
String redisKey = "user_" + event.getUserId();
redisTemplate.delete(redisKey);
logger.info("Evicted cache for userId: {}", event.getUserId());
}| public ResponseEntity<String> validateJwtToken(HttpServletRequest request) { | ||
| Optional<String> jwtTokenOpt = cookieUtil.getCookieValue(request, "Jwttoken"); | ||
|
|
||
| if (jwtTokenOpt.isEmpty()) { | ||
| return ResponseEntity.status(HttpStatus.UNAUTHORIZED) | ||
| .body("Error 401: Unauthorized - JWT Token is not set!"); | ||
| } | ||
|
|
||
| String jwtToken = jwtTokenOpt.get(); | ||
|
|
||
| // Validate the token | ||
| Claims claims = jwtUtil.validateToken(jwtToken); | ||
| if (claims == null) { | ||
| return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("Error 401: Unauthorized - Invalid JWT Token!"); | ||
| } | ||
|
|
||
| // Extract username from token | ||
| String usernameFromToken = claims.getSubject(); | ||
| if (usernameFromToken == null || usernameFromToken.isEmpty()) { | ||
| return ResponseEntity.status(HttpStatus.UNAUTHORIZED) | ||
| .body("Error 401: Unauthorized - Username is missing!"); | ||
| } | ||
|
|
||
| // Return the username if valid | ||
| return ResponseEntity.ok(usernameFromToken); | ||
| } |
There was a problem hiding this comment.
Add security event logging
Authentication-related events should be logged for security auditing:
- Token validation attempts
- Failed validations with reason
- Successful authentications
Add appropriate logging:
public ResponseEntity<String> validateJwtToken(HttpServletRequest request) {
Optional<String> jwtTokenOpt = cookieUtil.getCookieValue(request, "Jwttoken");
if (jwtTokenOpt.isEmpty()) {
+ logger.warn("JWT token missing in request");
return ResponseEntity.status(HttpStatus.UNAUTHORIZED)
.body("Error 401: Unauthorized - JWT Token is not set!");
}
String jwtToken = jwtTokenOpt.get();
// Validate the token
Claims claims = jwtUtil.validateToken(jwtToken);
if (claims == null) {
+ logger.warn("Invalid JWT token detected");
return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("Error 401: Unauthorized - Invalid JWT Token!");
}
// Extract username from token
String usernameFromToken = claims.getSubject();
if (usernameFromToken == null || usernameFromToken.isEmpty()) {
+ logger.warn("JWT token missing username");
return ResponseEntity.status(HttpStatus.UNAUTHORIZED)
.body("Error 401: Unauthorized - Username is missing!");
}
+ logger.info("Successful JWT validation for user: {}", usernameFromToken);
// Return the username if valid
return ResponseEntity.ok(usernameFromToken);
}Committable suggestion skipped: line range outside the PR's diff.
| public boolean validateUserIdAndJwtToken(String jwtToken) throws IEMRException { | ||
| try { | ||
| // Validate JWT token and extract claims | ||
| Claims claims = jwtUtil.validateToken(jwtToken); | ||
|
|
||
| if (claims == null) { | ||
| throw new IEMRException("Invalid JWT token."); | ||
| } | ||
|
|
||
| String userId = claims.get("userId", String.class); | ||
|
|
||
| // Check if user data is present in Redis | ||
| Users user = getUserFromCache(userId); | ||
| if (user == null) { | ||
| throw new IEMRException("Invalid User ID."); | ||
| } | ||
|
|
||
| return true; // Valid userId and JWT token | ||
| } catch (Exception e) { | ||
| logger.error("Validation failed: " + e.getMessage(), e); | ||
| throw new IEMRException("Validation error: " + e.getMessage(), e); | ||
| } | ||
| } |
There was a problem hiding this comment.
Add token username validation against user data
The method validates the user ID but doesn't verify if the token's username matches the user's username, which could allow token misuse.
Add username validation:
public boolean validateUserIdAndJwtToken(String jwtToken) throws IEMRException {
try {
// Validate JWT token and extract claims
Claims claims = jwtUtil.validateToken(jwtToken);
if (claims == null) {
throw new IEMRException("Invalid JWT token.");
}
String userId = claims.get("userId", String.class);
+ String tokenUsername = claims.getSubject();
// Check if user data is present in Redis
Users user = getUserFromCache(userId);
if (user == null) {
throw new IEMRException("Invalid User ID.");
}
+ // Verify username matches
+ if (!user.getUserName().equalsIgnoreCase(tokenUsername)) {
+ logger.warn("Token username mismatch for userId: {}", userId);
+ throw new IEMRException("Token username mismatch.");
+ }
return true; // Valid userId and JWT tokenCommittable suggestion skipped: line range outside the PR's diff.
There was a problem hiding this comment.
Actionable comments posted: 1
♻️ Duplicate comments (2)
src/main/java/com/iemr/mmu/repo/login/UserLoginRepo.java (1)
13-14:⚠️ Potential issueSecurity concern: Query exposes sensitive user data
The query returns the complete Users entity which could expose sensitive fields like passwords, PAN, Aadhaar number, etc.
src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java (1)
39-64: 🛠️ Refactor suggestionDecouple HTTP concerns from utility class
A utility class should not return ResponseEntity. Instead, it should throw custom exceptions that can be handled by the controller layer.
🧹 Nitpick comments (1)
src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java (1)
89-90: Improve logging practicesCurrent logging implementation can be enhanced:
- Use parameterized logging instead of string concatenation
- Add more context to log messages
Apply these improvements:
- logger.error("Validation failed: " + e.getMessage(), e); + logger.error("JWT validation failed for token: {}, error: {}", jwtToken, e.getMessage(), e); - logger.info("User stored in Redis with key: " + redisKey); + logger.info("User cached in Redis - key: {}, userId: {}, ttl: {} minutes", redisKey, userId, 30); - logger.warn("User not found for userId: " + userId); + logger.warn("User not found in database - userId: {}", userId);Also applies to: 119-122
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📒 Files selected for processing (2)
src/main/java/com/iemr/mmu/repo/login/UserLoginRepo.java(1 hunks)src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java(1 hunks)
🔇 Additional comments (3)
src/main/java/com/iemr/mmu/repo/login/UserLoginRepo.java (1)
10-11: LGTM: Repository structure is correct
The repository interface is properly annotated and extends the correct base interface.
src/main/java/com/iemr/mmu/utils/JwtAuthenticationUtil.java (2)
24-37:
Fix dependency injection pattern
The current dependency injection setup has several issues:
- Using @Autowired with final fields
- Constructor doesn't inject all dependencies (redisTemplate and userLoginRepo)
Apply this fix:
- @Autowired
private final CookieUtil cookieUtil;
- @Autowired
private final JwtUtil jwtUtil;
- @Autowired
- private RedisTemplate<String, Object> redisTemplate;
- @Autowired
- private UserLoginRepo userLoginRepo;
+ private final RedisTemplate<String, Object> redisTemplate;
+ private final UserLoginRepo userLoginRepo;
- public JwtAuthenticationUtil(CookieUtil cookieUtil, JwtUtil jwtUtil) {
+ public JwtAuthenticationUtil(CookieUtil cookieUtil, JwtUtil jwtUtil,
+ RedisTemplate<String, Object> redisTemplate, UserLoginRepo userLoginRepo) {
this.cookieUtil = cookieUtil;
this.jwtUtil = jwtUtil;
+ this.redisTemplate = redisTemplate;
+ this.userLoginRepo = userLoginRepo;
}Likely invalid or redundant comment.
66-92:
Enhance token validation security and robustness
The method has several security and robustness issues:
- Missing validation of token username against user data
- Generic exception handling masks specific errors
- No null checks for userId
Apply these security enhancements:
public boolean validateUserIdAndJwtToken(String jwtToken) throws IEMRException {
try {
Claims claims = jwtUtil.validateToken(jwtToken);
if (claims == null) {
throw new IEMRException("Invalid JWT token.");
}
String userId = claims.get("userId", String.class);
+ if (userId == null || userId.isEmpty()) {
+ throw new IEMRException("User ID missing in token");
+ }
+ String tokenUsername = claims.getSubject();
+ if (tokenUsername == null || tokenUsername.isEmpty()) {
+ throw new IEMRException("Username missing in token");
+ }
Users user = getUserFromCache(userId);
if (user == null) {
user = fetchUserFromDB(userId);
}
if (user == null) {
throw new IEMRException("Invalid User ID.");
}
+ if (!tokenUsername.equalsIgnoreCase(user.getUserName())) {
+ throw new IEMRException("Token username mismatch");
+ }
return true;
- } catch (Exception e) {
+ } catch (NumberFormatException e) {
+ throw new IEMRException("Invalid user ID format", e);
+ } catch (IEMRException e) {
+ throw e;
+ } catch (Exception e) {
logger.error("Validation failed: " + e.getMessage(), e);
throw new IEMRException("Validation error: " + e.getMessage(), e);
}
}Likely invalid or redundant comment.
| private Users getUserFromCache(String userId) { | ||
| String redisKey = "user_" + userId; // The Redis key format | ||
| Users user = (Users) redisTemplate.opsForValue().get(redisKey); | ||
|
|
||
| if (user == null) { | ||
| logger.warn("User not found in Redis. Will try to fetch from DB."); | ||
| } else { | ||
| logger.info("User fetched successfully from Redis."); | ||
| } | ||
|
|
||
| return user; // Returns null if not found | ||
| } | ||
|
|
||
| private Users fetchUserFromDB(String userId) { | ||
| // This method will only be called if the user is not found in Redis. | ||
| String redisKey = "user_" + userId; // Redis key format | ||
|
|
||
| // Fetch user from DB | ||
| Users user = userLoginRepo.getUserByUserID(Long.parseLong(userId)); | ||
|
|
||
| if (user != null) { | ||
| // Cache the user in Redis for future requests (cache for 30 minutes) | ||
| redisTemplate.opsForValue().set(redisKey, user, 30, TimeUnit.MINUTES); | ||
|
|
||
| // Log that the user has been stored in Redis | ||
| logger.info("User stored in Redis with key: " + redisKey); | ||
| } else { | ||
| logger.warn("User not found for userId: " + userId); | ||
| } | ||
|
|
||
| return user; | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Improve Redis caching implementation
Current caching implementation has several concerns:
- 30-minute TTL might be too long for sensitive user data
- No cache eviction strategy for user data updates
- No synchronization mechanism for data consistency
Consider these improvements:
- Reduce TTL and implement sliding expiration:
- redisTemplate.opsForValue().set(redisKey, user, 30, TimeUnit.MINUTES);
+ redisTemplate.opsForValue().set(redisKey, user, 5, TimeUnit.MINUTES);- Add cache eviction listener:
@EventListener
public void onUserDataChange(UserChangeEvent event) {
String redisKey = "user_" + event.getUserId();
redisTemplate.delete(redisKey);
logger.info("Evicted cache for userId: {}", event.getUserId());
}
|
|
3 participants
📋 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
Bug Fixes
Documentation