Function validate_filename 

pub fn validate_filename(filename: &str) -> Result<String>

Validate a file name for safety

File names must:

1. Not contain path separators (/ or )
2. Not be “.” or “..”
3. Not contain null bytes or other control characters
4. Be reasonable length (< 255 characters)

Arguments

• filename - The filename to validate

Returns

Returns the validated filename if validation succeeds, or an error if validation fails.

Examples

use path_security::validate_filename;

// Valid filenames
let name = validate_filename("document.pdf")?;
let name = validate_filename("report-2024.xlsx")?;

// Invalid filenames
assert!(validate_filename("../etc/passwd").is_err());
assert!(validate_filename(".").is_err());
assert!(validate_filename("..").is_err());