[GFTCodeFixer]: Update on src/main/java/com/scalesec/vulnado/LinkLister.java

[dcoccia]

Generated for GFT AI Impact Bot for the 89e1285

Description: This pull request modifies the LinkLister.java file, introducing changes to the constructor and the getLinksV2 method. The changes include an attempt to make the constructor private and a modification to the instantiation of the URL object. However, there are issues with the implementation that need to be addressed.

Summary:

• File Modified: src/main/java/com/scalesec/vulnado/LinkLister.java
  • Line 10: Added a redundant private constructor private LinkLister() {}. This duplicates the existing private constructor and is unnecessary.
  • Line 25: Changed the instantiation of the URL object from new URL(url) to new URL<>(url). This introduces a syntax error because the URL class does not support generics (<>).

Recommendation:

1. Remove Redundant Constructor: The addition of private LinkLister() {} is unnecessary because the class already has a private constructor. Remove the duplicate constructor to avoid confusion and maintain code clarity.

   • Suggested Fix: Delete the newly added private LinkLister() {}.

2. Correct URL Instantiation: The change to new URL<>(url) is invalid because the URL class does not use generics. Revert this line to new URL(url) to ensure proper functionality.

   • Suggested Fix: Replace new URL<>(url) with new URL(url).

3. Add a Newline at End of File: The file does not end with a newline, which is a common code convention for better readability and compatibility with various tools. Add a newline at the end of the file.

4. Code Quality: Consider adding unit tests for the getLinksV2 method to ensure it handles edge cases, such as invalid URLs or unexpected input, gracefully.

Explanation of vulnerabilities:

1. Syntax Error in URL Instantiation: The use of new URL<>(url) introduces a syntax error, which will cause the application to fail at runtime. This is not a security vulnerability but a functional issue that must be corrected.

   • Suggested Fix: Replace new URL<>(url) with new URL(url).

2. Potential Security Risk in URL Handling: The getLinksV2 method does not validate the input URL before processing it. This could lead to security vulnerabilities such as SSRF (Server-Side Request Forgery) if an attacker provides a malicious URL.

   • Suggested Fix: Add validation to ensure the URL is safe and conforms to expected formats. For example:

     if (!url.startsWith("http://") && !url.startsWith("https://")) {
         throw new BadRequest("Invalid URL format");
     }

3. Logging Host Information: The logger.info(host) line logs the host information, which could expose sensitive data if the logs are accessible to unauthorized users. Consider sanitizing or limiting the logged information.

By addressing these issues, the code will be more robust, secure, and maintainable.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud