Changes:
- Extended validateDockerComposeForInjection to recognize env vars with defaults
- Added pattern check for ${VAR:-default} format alongside simple ${VAR} check
- Maintains consistency with parseDockerVolumeString behavior for string format
Test coverage:
- Added test for safe environment variable defaults in array format
- Verifies ${DATA_PATH:-./data} is allowed in array-format volumes
- All 79 security tests pass (215 assertions)
This allows users to specify environment variables with safe default values
in array-format Docker Compose volumes, matching the behavior already
supported in string-format volumes.
Problem:
- validateVolumeStringForInjection used explode(':') to parse volume strings
- This incorrectly splits Windows paths like "C:\host\path:/container" at the drive letter colon
- Could lead to false positives/negatives in injection detection
Solution:
- Replace custom parsing in validateVolumeStringForInjection with call to parseDockerVolumeString
- parseDockerVolumeString already handles Windows paths, environment variables, and performs validation
- Eliminates code duplication and uses single source of truth for volume string parsing
Tests:
- All 77 existing security tests pass (211 assertions)
- Added 6 new Windows path tests (8 assertions)
- Fixed pre-existing test bug: preg_match returns int 1, not boolean true
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
This commit addresses a critical security issue where malicious Docker Compose
data was being saved to the database before validation occurred.
Problem:
- Service models were saved to database first
- Validation ran afterwards during parse()
- Malicious data persisted even when validation failed
- User saw error but damage was already done
Solution:
1. Created validateDockerComposeForInjection() to validate YAML before save
2. Added pre-save validation to all Service creation/update points:
- Livewire: DockerCompose.php, StackForm.php
- API: ServicesController.php (create, update, one-click)
3. Validates service names and volume paths (string + array formats)
4. Blocks shell metacharacters: backticks, $(), |, ;, &, >, <, newlines
Security fixes:
- Volume source paths (string format) - validated before save
- Volume source paths (array format) - validated before save
- Service names - validated before save
- Environment variable patterns - safe ${VAR} allowed, ${VAR:-$(cmd)} blocked
Testing:
- 60 security tests pass (176 assertions)
- PreSaveValidationTest.php: 15 tests for pre-save validation
- ValidateShellSafePathTest.php: 15 tests for core validation
- VolumeSecurityTest.php: 15 tests for volume parsing
- ServiceNameSecurityTest.php: 15 tests for service names
Related commits:
- Previous: Added validation during parse() phase
- This commit: Moves validation before database save
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
