Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix bug atmos vendor pull URI cannot contain path traversal sequences and git schema #899

Open
wants to merge 5 commits into
base: main
Choose a base branch
from

Conversation

haitham911
Copy link
Collaborator

@haitham911 haitham911 commented Dec 28, 2024

references

Summary by CodeRabbit

  • Security Changes
    • Modified URI validation logic to be less restrictive
    • Removed several previous URI validation checks
    • Simplified validation process for URI processing
  • Bug Fixes
    • Improved error handling in package installation feedback, providing detailed error messages to users during failures.

@haitham911 haitham911 requested a review from a team as a code owner December 28, 2024 13:11
@mergify mergify bot added the triage Needs triage label Dec 28, 2024
Copy link
Contributor

coderabbitai bot commented Dec 28, 2024

📝 Walkthrough

Walkthrough

The changes modify the URI validation logic in the validateURI function within the vendor_utils.go file. The modifications remove several strict validation checks, including maximum URI length, path traversal sequence detection, and invalid character restrictions. The updated implementation now focuses on minimal validation, primarily ensuring the URI does not contain spaces and maintains a valid format for OCI URIs.

Changes

File Change Summary
internal/exec/vendor_utils.go Simplified URI validation by removing multiple validation checks, including length limit, path traversal detection, and invalid character restrictions.
internal/exec/vendor_model.go Enhanced error handling in the Update method to include error messages when package installation fails.

Assessment against linked issues

Objective Addressed Explanation
Support Path Traversals in Vendoring [#888]

Suggested Labels

patch, minor

Tip

CodeRabbit's docstrings feature is now available as part of our Early Access Program! Simply use the command @coderabbitai generate docstrings to have CodeRabbit automatically generate docstrings for your pull request. We would love to hear your feedback on Discord.


📜 Recent review details

Configuration used: .coderabbit.yaml
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 26fb6f6 and dcd0086.

📒 Files selected for processing (1)
  • internal/exec/vendor_model.go (1 hunks)
🔇 Additional comments (2)
internal/exec/vendor_model.go (2)

164-164: 🛠️ Refactor suggestion

Enhance error message security and visibility.

The addition of error messages improves visibility of URI validation failures, which is crucial given the recent changes to URI validation. However, consider these security enhancements:

  1. Sanitize error messages to prevent potential information disclosure
  2. Add structured logging for security-related failures

Let's verify the error handling flow for security-related failures:

✅ Verification successful

Error handling is robust and secure, warrior! No changes needed.

After inspecting the error handling flow, I can confirm that the current implementation is battle-ready:

  1. The error message (errMsg) is properly formatted using fmt.Sprintf with clear context
  2. Errors are properly logged for non-TTY environments using LogError
  3. The error message display is consistent across TTY and non-TTY modes
  4. Basic input validation is in place through validateURI function

The error handling provides good security coverage:

  • URI validation prevents empty or malformed inputs
  • Error messages are informative but don't expose sensitive details
  • Errors are properly propagated and logged
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify error handling for security-related failures

# Check for error handling patterns in the codebase
echo "Checking error handling patterns..."
rg -A 5 "validateURI|path traversal|security|validation failed" 

# Look for potential security logging
echo "Checking security logging patterns..."
rg "LogError.*security|LogError.*validation|LogError.*traversal"

Length of output: 25703


Script:

#!/bin/bash
# Let's check the error handling flow in vendor_model.go and related files

# Check error handling in vendor_model.go
echo "Checking error handling in vendor_model.go..."
rg -A 5 "errMsg|error" internal/exec/vendor_model.go

# Check error message formatting
echo "Checking error message formatting..."
rg "tea.Printf.*error|tea.Printf.*errMsg" internal/exec/vendor_model.go

# Check error handling in related files
echo "Checking error handling in related files..."
rg -A 5 "errMsg|error" internal/exec/vendor_utils.go

Length of output: 3732


Line range hint 279-319: Strengthen package source validation.

While the temporary directory handling is secure, consider enhancing the package source validation:

  1. Add source allowlist/blocklist validation
  2. Implement rate limiting for remote downloads
  3. Add checksum verification for downloaded packages

Let's verify the current package source validation:


Thank you for using CodeRabbit. We offer it for free to the OSS community and would appreciate your support in helping us grow. If you find it useful, would you consider giving us a shout-out on your favorite social media?

❤️ Share
🪧 Tips

Chat

There are 3 ways to chat with CodeRabbit:

  • Review comments: Directly reply to a review comment made by CodeRabbit. Example:
    • I pushed a fix in commit <commit_id>, please review it.
    • Generate unit testing code for this file.
    • Open a follow-up GitHub issue for this discussion.
  • Files and specific lines of code (under the "Files changed" tab): Tag @coderabbitai in a new review comment at the desired location with your query. Examples:
    • @coderabbitai generate unit testing code for this file.
    • @coderabbitai modularize this function.
  • PR comments: Tag @coderabbitai in a new PR comment to ask questions about the PR branch. For the best results, please provide a very specific query, as very limited context is provided in this mode. Examples:
    • @coderabbitai gather interesting stats about this repository and render them as a table. Additionally, render a pie chart showing the language distribution in the codebase.
    • @coderabbitai read src/utils.ts and generate unit testing code.
    • @coderabbitai read the files in the src/scheduler package and generate a class diagram using mermaid and a README in the markdown format.
    • @coderabbitai help me debug CodeRabbit configuration file.

Note: Be mindful of the bot's finite context window. It's strongly recommended to break down tasks such as reading entire modules into smaller chunks. For a focused discussion, use review comments to chat about specific files and their changes, instead of using the PR comments.

CodeRabbit Commands (Invoked using PR comments)

  • @coderabbitai pause to pause the reviews on a PR.
  • @coderabbitai resume to resume the paused reviews.
  • @coderabbitai review to trigger an incremental review. This is useful when automatic reviews are disabled for the repository.
  • @coderabbitai full review to do a full review from scratch and review all the files again.
  • @coderabbitai summary to regenerate the summary of the PR.
  • @coderabbitai generate docstrings to generate docstrings for this PR. (Beta)
  • @coderabbitai resolve resolve all the CodeRabbit review comments.
  • @coderabbitai configuration to show the current CodeRabbit configuration for the repository.
  • @coderabbitai help to get help.

Other keywords and placeholders

  • Add @coderabbitai ignore anywhere in the PR description to prevent this PR from being reviewed.
  • Add @coderabbitai summary or @auto-summary to generate the high-level summary at a specific location in the PR description.
  • Add @coderabbitai or @auto-title anywhere in the PR title to generate the title automatically.

Documentation and Community

  • Visit our Documentation for detailed information on how to use CodeRabbit.
  • Join our Discord Community to get help, request features, and share feedback.
  • Follow us on X/Twitter for updates and announcements.

coderabbitai[bot]
coderabbitai bot previously approved these changes Dec 28, 2024
@mergify mergify bot removed the triage Needs triage label Dec 28, 2024
@mergify mergify bot removed the triage Needs triage label Dec 28, 2024
@osterman
Copy link
Member

Please add test conditions or at least examples to examples/tests so we verify this works and don't introduce future regressions

@osterman osterman changed the title Issues 888 fix bug atmos vendor pull URI cannot contain path traversal sequences and git schema Dec 28, 2024
@aknysh
Copy link
Member

aknysh commented Dec 28, 2024

Please add test conditions or at least examples to examples/tests so we verify this works and don't introduce future regressions

the tests for many vendoring scenarios, including imports, are here https://github.com/cloudposse/atmos/blob/main/examples/tests/vendor.yaml
https://github.com/cloudposse/atmos/tree/main/examples/tests/vendor

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

Support Path Traversals in Vendoring
3 participants