Problem: "Failed to backup file before replacement" error when using API key authentication.
Root Cause:
- The externalApp field (which contains the system user for file operations) was sometimes None
- When using API key authentication, the code couldn't determine which user to run commands as
Solution:
- Added fallback logic to ensure we always have a valid user for file operations:
1. First try wp_site.owner.externalApp
2. If not set, try Websites.objects.get(domain).externalApp
3. If still not set, fall back to admin username
- Added detailed error messages and logging throughout backup operations
- Enhanced error reporting to include user context and operation details
- Added validation for backup directory creation with proper error handling
Changes:
- Modified validate_access_token() OPTION 2 and OPTION 3 to ensure external_app is always set
- Enhanced backup and replace operations with better error messages
- Added detailed logging for debugging file operation failures
- Include user context in error messages for easier troubleshooting
This ensures file operations work correctly even when externalApp field is not properly configured.
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