Function encrypt_string

rsl-macros/src/lib.rs:159–173

(input: TokenStream)

/// A procedural macro that encrypts a string literal at compile time.
#[proc_macro]
pub fn encrypt_string(input: TokenStream) -> TokenStream {
    let input = parse_macro_input!(input as LitStr);
    let string = input.value();

    // Set key to seeded env key or default
    let key = env::var("CRYPTIFY_KEY").unwrap_or_else(|_| "xnasff3wcedj".to_string());

    let encrypted_string = xor_cipher(&string, &key);

    let output = quote! {
        cryptify::decrypt_string(#encrypted_string).as_ref()
    };

    TokenStream::from(output)
}

fn xor_cipher(input: &str, key: &str) -> String {
    let key_bytes = key.as_bytes();