Struct OmniExtractor 

pub struct OmniExtractor { /* private fields */ }

omni.ja archive extractor

Handles extraction of preference files from omni.ja ZIP archives with caching, security validations, and size limits.

Example

use ffcv::OmniExtractor;
use std::path::PathBuf;

let omni_path = PathBuf::from("/usr/lib/firefox/omni.ja");
let extractor = OmniExtractor::new(omni_path).unwrap();
let extracted_files = extractor.extract_prefs().unwrap();

for file in extracted_files {
    println!("Extracted: {:?}", file);
}

Implementations

impl OmniExtractor

pub fn new(omni_path: PathBuf) -> Result<Self>

Create a new extractor with default configuration

Arguments

• omni_path - Path to omni.ja file

Returns

• Ok(extractor) - Extractor ready to use
• Err(_) - Error initializing extractor

pub fn with_config(omni_path: PathBuf, config: ExtractConfig) -> Result<Self>

Create a new extractor with custom configuration

Arguments

• omni_path - Path to omni.ja file
• config - Custom extraction configuration

Returns

• Ok(extractor) - Extractor ready to use
• Err(_) - Error initializing extractor

pub fn extract_prefs(&self) -> Result<Vec<PathBuf>>

Extract preference files from omni.ja

This method extracts JavaScript preference files from the omni.ja archive, using cache if available and valid.

Returns

• Ok(files) - Vector of extracted file paths
• Err(_) - Error during extraction

pub fn list_js_files(&self) -> Result<Vec<String>>

List all JavaScript files in the archive

Returns

• Ok(files) - Vector of JavaScript file names
• Err(_) - Error reading archive

pub fn clear_cache(&self) -> Result<()>

Clear the extraction cache