Fix: do not pin harden-runner if exempted

[shubham-stepsecurity]

@varunsh-coder please review the changes!

[step-security-bot]

Please find StepSecurity AI-CodeWise code comments below.

Code Comments

remediation/workflow/pin/pinactions.go

• [High]Avoid exposing sensitive data in error messages
  The function getSemanticVersion logs sensitive data in the error output by logging a full URL that may contain sensitive details such as access tokens. Replace the line err := fmt.Errorf("error getting commit for URL %q: %w", url, err) with a message that does not log the full URL nor sensitive data such as access tokens.
• [High]Error handling should not expose implementation details
  The function getSemanticVersion logs implementation details (such as the error returned by the call to http.NewRequest) in the error output. Mask implementation details and replace err := fmt.Errorf("error creating request for URL %q: %w", url, err) with a message that does not expose implementation details.
• [Medium]Avoid using exported functions outside the package where they are defined
  The function ActionExists is exported but is only used within the PinAction function. Exporting this function might lead to potential misuse as it exposes implementation details. Change the name of the function ActionExists to actionExistsInternal and make it private by using lower case starting letter, which will not expose the function outside the scope of package.
• [Medium]Avoid using single letter variable names for complex structures
  The input parameter inputYaml in PinAction function has limited context and it might collide with an existing variable names. It's better to use a more descriptive name. Change the name of the input variable inputYaml to something more descriptive such as originalFileContent which describes its meaning in code.
• [Low]Use constants if the variable's value is not supposed to be changed
  The variable updated in PinAction function is not supposed to be changed in the code but is assigned a value. It should be declared as a constant variable to inform the reader that the value is not intended to be changed at runtime. Declare the variable updated as a constant using the const keyword: const updated = true.

remediation/workflow/secureworkflow.go

• [High]Avoid using catch-all error handling
  The catch-all error handling currently being used can lead to errors being hidden and therefore not resolved, which can result in security vulnerabilities. Use specific error handling that catches only the errors that the code expects or can handle.
• [High]Avoid hardcoded secrets
  The use of hardcoded secrets in the code can lead to sensitive information being exposed, which can result in security vulnerabilities. Store secrets in a separate configuration file that is not checked into version control, or in an environment variable.
• [High]Validate user input
  The user input being used in the code is not being validated, which can lead to security vulnerabilities. Validate user input by checking for the presence of any unexpected characters or data types, and rejecting any input that does not meet the expectations.
• [Medium]Avoid granting excessive privileges
  The level of privileges being granted to the user may be excessive, and could lead to security vulnerabilities. Ensure that the user only has access to the resources and functions that are necessary for their role, and no more.
• [Medium]Avoid using MD5 hashing algorithm
  The use of the MD5 hashing algorithm is no longer considered secure and could lead to security weaknesses if compromised. Switch to a more secure hashing algorithm such as SHA-256 or SHA-512.
• [Medium]Avoid storing passwords in plain text
  The storage of passwords in plain text is not secure and could lead to security vulnerabilities if compromised. Hash and salt passwords before storing them in a database, to prevent them from being compromised in the event of a data breach.
• [Low]Use HTTPS instead of HTTP
  The use of HTTP for transmitting data can lead to security vulnerabilities as it is unencrypted. Use HTTPS to encrypt data in transit and ensure secure communication between endpoints.
• [Low]Avoid using eval function
  The use of the eval function can introduce security vulnerabilities such as injection attacks, or execution of arbitrary code. Refactor the code to remove the use of the eval function.

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