_ Git - dnssec-prover/blob - wasmpack/src/lib.rs

   1 //! WASM-compatible verification wrappers
   2
   3 use dnssec_prover::ser::parse_rr_stream;
   4 use dnssec_prover::validation::{verify_rr_stream, ValidationError};
   5
   6 use wasm_bindgen::prelude::wasm_bindgen;
   7
   8 #[global_allocator]
   9 static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
  10
  11 #[wasm_bindgen]
  12 /// Verifies an RFC 9102-formatted proof and returns the [`VerifiedRRStream`] in JSON form.
  13 pub fn verify_byte_stream(stream: Vec<u8>) -> String {
  14         match do_verify_byte_stream(stream) {
  15                 Ok(r) => r,
  16                 Err(e) => format!("{{\"error\":\"{:?}\"}}", e),
  17         }
  18 }
  19
  20 fn do_verify_byte_stream(stream: Vec<u8>) -> Result<String, ValidationError> {
  21         let rrs = parse_rr_stream(&stream).map_err(|()| ValidationError::Invalid)?;
  22         let verified_rrs = verify_rr_stream(&rrs)?;
  23         let mut resp = String::new();
  24         resp += &format!("{{\"valid_from\": {}, \"expires\": {}, \"max_cache_ttl\": {}, \"verified_rrs\": [",
  25                 verified_rrs.valid_from, verified_rrs.expires, verified_rrs.max_cache_ttl);
  26         for (idx, rr) in verified_rrs.verified_rrs.iter().enumerate() {
  27                 resp += &format!("{}\"{:?}\"", if idx != 0 { ", " } else { "" }, rr);
  28         }
  29         resp += "]}";
  30         Ok(resp)
  31 }