JwtToken validation skipped if not present for mobile request also Null condition Added for API #75
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""" WalkthroughA null check was added for the Changes
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Actionable comments posted: 1
🧹 Nitpick comments (2)
src/main/java/com/iemr/tm/utils/JwtUserIdValidationFilter.java (2)
99-104: Enhance mobile client detection logic.The current implementation only detects "okhttp" clients, which is limited to certain Android applications.
Consider expanding the detection logic to cover more mobile client types:
private boolean isMobileClient(String userAgent) { if (userAgent == null) return false; userAgent = userAgent.toLowerCase(); - return userAgent.contains("okhttp"); // iOS (custom clients) + // Check for common mobile clients + return userAgent.contains("okhttp") || // Android custom clients + userAgent.contains("cfnetwork") || // iOS native + userAgent.contains("dalvik") || // Android + userAgent.contains("mobile"); // Generic mobile }Additionally, add a comment explaining why mobile clients receive special treatment to make the security implications clear to future developers.
84-84: Avoid logging sensitive information.Logging the entire User-Agent string might expose sensitive information about the client.
-logger.info("User-Agent: " + userAgent); +// Only log if debug is enabled +if (logger.isDebugEnabled()) { + logger.debug("User-Agent type: " + (userAgent != null ? (isMobileClient(userAgent) ? "mobile" : "web") : "unknown")); +}
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🔇 Additional comments (3)
src/main/java/com/iemr/tm/utils/JwtUserIdValidationFilter.java (3)
64-74: Improved JWT token validation flow.The code now cleanly separates JWT token validation from cookies and headers, improving the authentication flow. This provides better clarity and a more structured approach to token validation.
76-82: Good fallback mechanism for header-based tokens.The validation now attempts to use the header token if the cookie token fails, which creates a robust authentication system that works with different client implementations.
91-93: Improved error handling for unauthorized requests.The error response now clearly indicates the reason for failure, which helps with debugging authentication issues.
| String userAgent = request.getHeader("User-Agent"); | ||
| logger.info("User-Agent: " + userAgent); | ||
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| if (isValid) { | ||
| // If token is valid, allow the request to proceed | ||
| if (userAgent != null && isMobileClient(userAgent) && authHeader != null) { | ||
| filterChain.doFilter(servletRequest, servletResponse); | ||
| } else { | ||
| response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Invalid JWT token"); | ||
| return; | ||
| } |
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💡 Verification agent
🧩 Analysis chain
Security concern: Mobile client bypass needs stronger validation.
The special handling for mobile clients bypasses JWT validation based only on User-Agent detection, which could pose a security risk as User-Agent strings can be easily spoofed.
Consider implementing additional security measures for mobile clients rather than bypassing validation entirely. At minimum, verify that the Authorization header contains a valid token:
-if (userAgent != null && isMobileClient(userAgent) && authHeader != null) {
+if (userAgent != null && isMobileClient(userAgent) && authHeader != null &&
+ authHeader.startsWith("Bearer ") && jwtAuthenticationUtil.validateToken(authHeader.substring(7))) {
filterChain.doFilter(servletRequest, servletResponse);
return;
}Run this script to check if the Authorization header is properly validated elsewhere:
🏁 Script executed:
#!/bin/bash
# Check if Authorization header is properly validated elsewhere
rg -A 5 "Authorization.*header" --glob "*.java"
# Check for other token validation methods
rg -A 5 "validateToken|validateAuth" --glob "*.java"
# Look at JwtAuthenticationUtil implementation
find . -name "JwtAuthenticationUtil.java" -exec cat {} \;Length of output: 5629
🏁 Script executed:
#!/bin/bash
# Locate and display the JwtUserIdValidationFilter for context
find . -name JwtUserIdValidationFilter.java -exec sed -n '1,200p' '{}' ';'Length of output: 4307
Strengthen JWT validation for mobile‐client bypass
The current logic skips any real token validation for mobile clients as long as an Authorization header is present, which can be trivially spoofed. We should extract and validate a Bearer token just as we do for cookies and JwtToken headers.
Locations to update:
src/main/java/com/iemr/tm/utils/JwtUserIdValidationFilter.javaaround theif (userAgent != null …)block (lines ~83–89).
Suggested diff:
--- a/src/main/java/com/iemr/tm/utils/JwtUserIdValidationFilter.java
+++ b/src/main/java/com/iemr/tm/utils/JwtUserIdValidationFilter.java
@@ -86,7 +86,17 @@ public void doFilter(ServletRequest servletRequest, ServletResponse servletRespons
String userAgent = request.getHeader("User-Agent");
logger.info("User-Agent: " + userAgent);
- if (userAgent != null && isMobileClient(userAgent) && authHeader != null) {
- filterChain.doFilter(servletRequest, servletResponse);
- return;
+ if (userAgent != null && isMobileClient(userAgent) && authHeader != null) {
+ // Extract Bearer token from Authorization header
+ String token = null;
+ if (authHeader.startsWith("Bearer ")) {
+ token = authHeader.substring("Bearer ".length());
+ }
+ // Validate token and associated userId
+ if (token != null && jwtAuthenticationUtil.validateUserIdAndJwtToken(token)) {
+ filterChain.doFilter(servletRequest, servletResponse);
+ return;
+ }
+ logger.warn("Invalid or missing JWT in Authorization header for mobile client");
+ response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized: Invalid or missing token");
+ return;
}
logger.warn("No valid authentication token found");This ensures mobile clients must present a well‐formed Bearer JWT that passes the same validateUserIdAndJwtToken checks applied elsewhere.
📝 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.
| String userAgent = request.getHeader("User-Agent"); | |
| logger.info("User-Agent: " + userAgent); | |
| if (isValid) { | |
| // If token is valid, allow the request to proceed | |
| if (userAgent != null && isMobileClient(userAgent) && authHeader != null) { | |
| filterChain.doFilter(servletRequest, servletResponse); | |
| } else { | |
| response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Invalid JWT token"); | |
| return; | |
| } | |
| String userAgent = request.getHeader("User-Agent"); | |
| logger.info("User-Agent: " + userAgent); | |
| if (userAgent != null && isMobileClient(userAgent) && authHeader != null) { | |
| // Extract Bearer token from Authorization header | |
| String token = null; | |
| if (authHeader.startsWith("Bearer ")) { | |
| token = authHeader.substring("Bearer ".length()); | |
| } | |
| // Validate token and associated userId | |
| if (token != null && jwtAuthenticationUtil.validateUserIdAndJwtToken(token)) { | |
| filterChain.doFilter(servletRequest, servletResponse); | |
| return; | |
| } | |
| logger.warn("Invalid or missing JWT in Authorization header for mobile client"); | |
| response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized: Invalid or missing token"); | |
| return; | |
| } | |
| logger.warn("No valid authentication token found"); |
🤖 Prompt for AI Agents
In src/main/java/com/iemr/tm/utils/JwtUserIdValidationFilter.java around lines
83 to 89, the current code bypasses full JWT validation for mobile clients based
solely on User-Agent and presence of an Authorization header, which is insecure.
Modify this logic to extract the Bearer token from the Authorization header and
perform the same validateUserIdAndJwtToken checks used elsewhere before allowing
the filter chain to proceed. This ensures mobile clients must present a valid
JWT token rather than just any Authorization header.
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ravishanigarapu
changed the title
2 participants
📋 Description
JIRA ID:
Please provide a summary of the change and the motivation behind it. Include relevant context and details.
✅ Type of Change
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