libauthcekunit 2.0.2

Super robust CSRF token extractor with configurable retry, logging, and strict validation
Documentation 
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use std::ffi::{CStr, CString};
use std::os::raw::c_char;
use std::ptr;
use crate::{
    login, logout, CookieJar, fetch_token, fetch_cookies, extract_token,
    init_logging, CONFIG,
};
pub struct CookieJarHandle(CookieJar);
#[no_mangle]
pub extern "C" fn libauthcekunit_init_logging() {
    init_logging();
}
#[no_mangle]
pub extern "C" fn libauthcekunit_login(base_url: *const c_char) -> *mut CookieJarHandle {
    if base_url.is_null() { return ptr::null_mut(); }
    let url = unsafe { CStr::from_ptr(base_url).to_str().unwrap_or("") };
    match login(url) {
        Ok(jar) => Box::into_raw(Box::new(CookieJarHandle(jar))),
        Err(_) => ptr::null_mut(),
    }
}
#[no_mangle]
pub extern "C" fn libauthcekunit_logout(handle: *mut CookieJarHandle, base_url: *const c_char) -> i32 {
    if handle.is_null() { return -1; }
    let jar = unsafe { Box::from_raw(handle) };
    let url = if base_url.is_null() { "" } else {
        unsafe { CStr::from_ptr(base_url).to_str().unwrap_or("") }
    };
    match logout(url, &jar.0) {
        Ok(_) => 0,
        Err(_) => -1,
    }
}
#[no_mangle]
pub extern "C" fn libauthcekunit_free_jar(handle: *mut CookieJarHandle) {
    if !handle.is_null() {
        unsafe { drop(Box::from_raw(handle)); }
    }
}
#[no_mangle]
pub extern "C" fn libauthcekunit_fetch_token(
    url: *const c_char,
    out: *mut c_char,
    out_size: usize,
) -> usize {
    if url.is_null() || out.is_null() || out_size == 0 { return 0; }
    let url_str = unsafe { CStr::from_ptr(url).to_str().unwrap_or("") };
    match fetch_token(url_str) {
        Ok(token) => {
            let c_token = match CString::new(token) { Ok(c) => c, Err(_) => return 0 };
            let bytes = c_token.as_bytes_with_nul();
            if bytes.len() > out_size { return 0; }
            unsafe { ptr::copy_nonoverlapping(bytes.as_ptr(), out as *mut u8, bytes.len()); }
            bytes.len()
        }
        Err(_) => 0,
    }
}
#[no_mangle]
pub extern "C" fn libauthcekunit_fetch_cookies(
    url: *const c_char,
    file_path: *const c_char,
) -> i32 {
    if url.is_null() || file_path.is_null() { return -1; }
    let url_str = unsafe { CStr::from_ptr(url).to_str().unwrap_or("") };
    let path_str = unsafe { CStr::from_ptr(file_path).to_str().unwrap_or("") };
    match fetch_cookies(url_str) {
        Ok(jar) => match jar.save_to_file(path_str) { Ok(_) => 0, Err(_) => -1 },
        Err(_) => -1,
    }
}
#[no_mangle]
pub extern "C" fn libauthcekunit_extract_token(
    html: *const c_char,
    out: *mut c_char,
    out_size: usize,
) -> usize {
    if html.is_null() || out.is_null() || out_size == 0 { return 0; }
    let html_str = unsafe { CStr::from_ptr(html).to_str().unwrap_or("") };
    match extract_token(html_str) {
        Ok(token) => {
            let c_token = match CString::new(token) { Ok(c) => c, Err(_) => return 0 };
            let bytes = c_token.as_bytes_with_nul();
            if bytes.len() > out_size { return 0; }
            unsafe { ptr::copy_nonoverlapping(bytes.as_ptr(), out as *mut u8, bytes.len()); }
            bytes.len()
        }
        Err(_) => 0,
    }
}
#[no_mangle]
pub extern "C" fn libauthcekunit_get_email() -> *const c_char {
    CONFIG.email.as_ptr() as *const c_char
}
#[no_mangle]
pub extern "C" fn libauthcekunit_get_user_agent() -> *const c_char {
    CONFIG.user_agent.as_ptr() as *const c_char
}