test (escape) : Migrate escape to Ginkgo/Gomega and improve coverage

[yuvraj-kolkar17]

Ⅰ. Describe what this PR does

This PR simplifies and fixes the EscapeBashStr function in the security package to correctly handle bash string escaping according to ANSI-C quoting rules.

Ⅱ. Does this pull request fix one issue?

Part of #5407

Ⅲ. List the added test cases (unit test/integration test) if any, please explain if no tests are needed.

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[fluid-e2e-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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Details

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[gemini-code-assist]

Summary of Changes

Hello @yuvraj-kolkar17, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refines the bash string escaping mechanism by simplifying its implementation and significantly enhancing its test coverage. The core escaping logic is made more robust and easier to understand, while the comprehensive new test suite, built with Ginkgo/Gomega, ensures the function behaves correctly across a wide array of inputs, improving the overall security and reliability of string handling.

Highlights

• Simplified Bash String Escaping Logic: The EscapeBashStr function in pkg/utils/security/escape.go has been simplified. It now explicitly escapes backslashes first, then single quotes, and removes a complex, potentially redundant block of code that handled multiple backslash and quote combinations. This change aims to correctly handle bash string escaping according to ANSI-C quoting rules more reliably.
• Migration to Ginkgo/Gomega for Testing: The test suite for the security package, specifically escape_test.go, has been migrated from the standard Go testing framework to Ginkgo/Gomega. This provides a more structured and expressive way to write tests.
• Comprehensive Test Coverage Improvement: A significant number of new and detailed test cases have been added for the EscapeBashStr function. These tests cover various scenarios including strings with no special characters, command substitutions, different types of quotes, backslashes, shell operators, combinations of special characters, and edge cases like empty strings. New tests were also added for the containsOne helper function.

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[fluid-e2e-bot]

Hi @yuvraj-kolkar17. Thanks for your PR.

I'm waiting for a fluid-cloudnative member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.11%. Comparing base (6dd9555) to head (f87d533).
⚠️ Report is 50 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5635      +/-   ##
==========================================
+ Coverage   56.76%   59.11%   +2.34%     
==========================================
  Files         443      444       +1     
  Lines       30735    30546     -189     
==========================================
+ Hits        17447    18057     +610     
+ Misses      11734    10992     -742     
+ Partials     1554     1497      -57     

☔ View full report in Codecov by Sentry.
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[gemini-code-assist]

Code Review

This pull request simplifies the EscapeBashStr function by removing complex and buggy logic and migrates its associated tests to Ginkgo/Gomega, significantly improving test coverage. However, a critical security flaw has been identified: the simplified logic's check for special characters is incomplete, failing to escape several shell-sensitive characters like newlines and spaces. This can lead to command injection or argument splitting vulnerabilities, with one new test case even asserting this insecure behavior as correct. Additionally, a minor typo was found in a code comment. Please refer to the detailed comments for suggestions on expanding the character detection logic in EscapeBashStr or adopting a strict whitelist approach to resolve these issues.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
61.7% Duplication on New Code

See analysis details on SonarQube Cloud

[yuvraj-kolkar17]

/cc @cheyang @RongGu @TrafalgarZZZ